Cooling device, battery unit, battery module and electric equipment

• Main Author: QU PENGWEI
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to a cooling device, a battery unit, a battery module and electric equipment, and the cooling device comprises at least one cooling jacket, the cooling jacket comprises an inner shell, the inner shell is internally provided with a cavity, and a battery monomer is arranged in the cavity; the outer shell is arranged outside the inner shell in a sleeving manner, and a channel for a cooling medium to circulate is formed between the outer shell and the inner shell; wherein the shell is further provided with a liquid inlet and a liquid outlet, a cooling medium flows into the channel through the liquid inlet, and the cooling medium flows out of the channel through the liquid outlet. A cooling medium is introduced into the channel from the liquid inlet, and in the process that the cooling medium flows through the channel, heat generated by working of the battery monomers and the inner shell are subjected to full-circumferential large-area heat transfer, and heat transfer is uniform and effic