US 12,007,164 B2
Refrigerating and freezing device
Haijuan Wang, Qingdao (CN); Peng Li, Qingdao (CN); and Dongqiang Cao, Qingdao (CN)
Assigned to QINGDAO HAIER REFRIGERATOR CO., LTD., Qingdao (CN); and HAIER SMART HOME CO., LTD., Qingdao (CN)
Appl. No. 17/431,269
Filed by QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
PCT Filed Feb. 12, 2020, PCT No. PCT/CN2020/074886
§ 371(c)(1), (2) Date Aug. 16, 2021,
PCT Pub. No. WO2020/168959, PCT Pub. Date Aug. 27, 2020.
Claims priority of application No. 201920210465.8 (CN), filed on Feb. 19, 2019.
Prior Publication US 2022/0128297 A1, Apr. 28, 2022
Int. Cl. F25D 31/00 (2006.01); F25D 11/02 (2006.01); F25D 23/12 (2006.01)
CPC F25D 31/005 (2013.01) [F25D 11/02 (2013.01); F25D 23/12 (2013.01); F25D 2400/02 (2013.01)] 9 Claims
OG exemplary drawing
 
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 at least one storage compartment; and
an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat the to-be-processed object in the heating cavity, wherein the electromagnetic heating device comprises an electromagnetic generation module configured to produce an electromagnetic wave signal and a power supply module configured to supply a power source to the electromagnetic generation module, wherein
a power supply box is provided above a top of the cabinet, and heat dissipation holes configured to achieve communication between the interior of the power supply box and an external environment where the power supply box is located are provided in a box body of the power supply box; and
the power supply module is disposed in the power supply box, a heat dissipation fan is further provided in the power supply box and is configured to drive airflow to flow between the interior of the power supply box and the external environment where the power supply box is located through the heat dissipation holes, so as to dissipate heat from the power supply module, wherein
a storage device with a cylinder and a door is placed in one of the at least one storage compartment, and the heating cavity is formed in the storage device; and
the electromagnetic heating 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 and then is electrically connected with the radiation antenna.