Refrigerating and freezing device

Patent metadata

Field	Value
Publication number	US-12013173-B2
Application number	US-202017431222-A
Country	US
Kind code	B2
Filing date	Feb 11, 2020
Priority date	Feb 19, 2019
Publication date	Jun 18, 2024
Grant date	Jun 18, 2024

Abstract

A refrigerating and freezing device ( 1 ) includes a cabinet, wherein at least one storage compartment ( 11 ) is defined therein, and a heating cavity is defined in one of the storage compartments ( 11 ); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object in the heating cavity, wherein the electromagnetic heating device is provided with an electromagnetic generation module ( 21 ) configured to produce an electromagnetic wave signal. A containing groove ( 12 ) with an upward opening is provided in a top of the cabinet ( 10 ), the opening of the containing groove ( 12 ) is covered with a cover ( 13 ) so as to define a containing space ( 14 ) between the containing groove ( 12 ) and the cover ( 13 ), and heat dissipation holes configured to achieve communication between the containing space ( 14 ) and an external environment where the cabinet ( 10 ) is located are provided in the cover ( 13 ). The electromagnetic generation module ( 21 ) is disposed in the containing space ( 14 ), and a heat dissipation fan ( 31 ) is further provided in the containing space ( 14 ) and is configured to drive airflow to flow between the containing space ( 14 ) and the external environment where the cabinet ( 10 ) is located through the heat dissipation holes, so as to dissipate heat from the electromagnetic generation module ( 21 ). The heat dissipation efficiency and the heat dissipation effect are improved, and the space inside the cabinet ( 10 ) is prevented from being occupied.

First claim

The invention claimed is:

1. A refrigerating and freezing device, comprising:
a cabinet, wherein at least one storage compartment is defined therein, and a heating cavity configured to contain a to-be-processed object is defined in one of the storage compartments; and
an electromagnetic generation module configured to produce an electromagnetic wave signal such that electromagnetic waves are generated based on the electromagnetic wave signal to be supplied into the heating cavity so as to heat the to-be-processed object in the heating cavity,
wherein a containing groove with an upward opening is provided in a top of the cabinet, the opening of the containing groove is covered with a cover so as to define a containing space between the containing groove and the cover, and heat dissipation holes configured to achieve communication between the containing space and an external environment where the cabinet is located are provided in the cover;
wherein the electromagnetic generation module is disposed in the containing space, and a heat dissipation fan is further provided in the containing space and is configured to drive airflow to flow between the containing space and the external environment where the cabinet is located through the heat dissipation holes, so as to dissipate heat from the electromagnetic generation module;
wherein the cover comprises a top wall and a peripheral wall extending downwards from a periphery of the top wall; and
wherein the heat dissipation holes comprise a plurality of air inlet holes provided in a first side wall of the peripheral wall and a plurality of air outlet holes provided in a second side wall of the peripheral wall opposite to the first side wall, so as to allow the airflow driven by the heat dissipation fan to enter the containing space through the plurality of air inlet holes and flow out through the plurality of air outlet holes, and thus forced convection heat dissipation is carried out on the electromagnetic generation module.

2. The refrigerating and freezing device according to claim 1 , wherein a plurality of heat dissipation fins are further provided in the containing space for assisting in dissipating heat from the electromagnetic generation module.

3. The refrigerating and freezing device according to claim 2 ,
wherein the plurality of heat dissipation fins are disposed on a surface of the electromagnetic generation module side by side at intervals; and
wherein the side-by-side direction of the plurality of heat dissipation fins is set such that a gap between every two adjacent heat dissipation fins coincides with a flow direction of the airflow in the containing space, so that the airflow flows through the gap between every two adjacent heat dissipation fins and then flows out through the air outlet holes.

4. The refrigerating and freezing device according to claim 3 , wherein the heat dissipation fan and the plurality of heat dissipation fins are all disposed on an upper surface of the electromagnetic generation module, the heat dissipation fan is located on one side of the heat dissipation fins adjacent to the air inlet holes, and an air outlet of the heat dissipation fan faces towards the plurality of heat dissipation fins.

5. The refrigerating and freezing device according to claim 4 , wherein two heat dissipation fans are provided, and the two heat dissipation fans are disposed side by side in the side-by-side direction of the plurality of heat dissipation fins.

6. The refrigerating and freezing device according to claim 1 ,
wherein the cover further comprises a water retaining rib extending downwards from the top wall thereof and adjacently located on an inner side of the peripheral wall thereof, so as to prevent external water from entering the containing space.

7. The refrigerating and freezing device according to claim 6 , wherein the water retaining rib surrounds the periphery of the electromagnetic generation module, and rib plates of the water retaining rib opposite to the first side wall and the second side wall are provided with through holes respectively to allow airflow to flow therethrough.

8. The refrigerating and freezing device according to claim 1 ,
wherein a storage device with a cylinder and a door is placed in one of the storage compartments, and the heating cavity is formed in the storage device; and
wherein the refrigerating and freezing device further comprises a radiation antenna and a signal processing and measurement control circuit which are disposed in the cylinder, the radiation antenna is electrically connected with the signal processing and measurement control circuit, and the electromagnetic generation module is electrically connected with the signal processing and measurement control circuit through a wire predisposed in a foaming layer of the cabinet and then is electrically connected with the radiation antenna.

9. The refrigerating and freezing device according to claim 8 , wherein the signal processing and measurement control circuit is provided with a first radio frequency port and a first signal transmission interface which are led out from a rear wall of the storage device, the electromagnetic generation module is provided with a second radio frequency port and a second signal transmission interface, the first radio frequency port is connected with the second radio frequency port through a radio frequency cable predisposed in the foaming layer of the cabinet, and the first signal transmission interface is connected with the second signal transmission interface through a signal transmission cable predisposed in the foaming layer of the cabinet.

10. A refrigerating and freezing device, comprising:
a cabinet, wherein at least one storage compartment is defined therein, and a heating cavity configured to contain a to-be-processed object is defined in one of the storage compartments; and
an electromagnetic generation module configured to produce an electromagnetic wave signal such that electromagnetic waves are generated based on the electromagnetic wave signal to be supplied into the heating cavity so as to heat the to-be-processed object in the heating cavity,
wherein a containing groove with an upward opening is provided in a top of the cabinet, the opening of the containing groove is covered with a cover so as to define a containing space between the containing groove and the cover, and heat dissipation holes configured to achieve communication between the containing space and an external environment where the cabinet is located are provided in the cover;
wherein the electromagnetic generation module is disposed in the containing space, and a heat dissipation fan is further provided in the containing space and is configured to drive airflow to flow between the containing space and the external environment where the cabinet is located through the heat dissipation holes, so as to dissipate heat from the electromagnetic generation module;
wherein a storage device with a cylinder and a door is placed in one of the storage compartments, and the heating cavity is formed in the storage device;
wherein the refrigerating and freezing device further comprises a radiation antenna and a signal processing and measurement control circuit which are disposed in the cylinder, the radiation antenna is electrically connected with the signal processing and measurement control circuit, and the electromagnetic generation module is electrically connected with the signal processing and measurement control circuit through a wire predisposed in a foaming layer of the cabinet and then is electrically connected with the radiation antenna; and
wherein the signal processing and measurement control circuit is provided with a first radio frequency port an

Assignees

• Qingdao haier refrigerator co ltd
• Haier Smart Home Co Ltd

Inventors

• Wang Haijuan
• Li Peng
• Cao Dongqiang
• Mu Sen

Classifications

• A23B2/82

  Thawing subsequent to freezing · CPC title

• H05B6/642

  Cooling of the microwave components and related air circulation systems (H05B6/6473 takes precedence) · CPC title

• F25D2400/02

  Refrigerators including a heater · CPC title

• F25D31/005

  Combined cooling and heating devices · CPC title

• F25D17/062

  in household refrigerators · CPC title