Protection device convenient for low-temperature use of lithium battery

• Main Author: CHEN JUXIN
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention discloses a protection device convenient for low-temperature use of a lithium battery, and the protection device comprises a battery box; two binding posts are inserted into the upper end of the lithium battery box, a horizontal baffle is welded to the inner wall of the lithium battery box, a rectangular cavity is formed in the inner top of the lithium battery box, and a vertical baffle is welded to the inner wall of the rectangular cavity; the inner wall, located on one side of the vertical baffle, of the rectangular cavity is slidably connected with a push block and a power connection plate, the push block is connected with the vertical baffle through an air bag, the push block is fixedly connected with the power connection plate, the push block is made of an insulating material, and power connection blocks are arranged at the inner bottom and the inner top of the vertical baffle correspondingly. The internal strength of the electrorheological fluid can be changed according to the change of th