Apparatus for detecting thermal runaway of battery for electric vehicle

An apparatus comprising:

• a first cover that forms at least two accommodation spaces;
• a second cover configured to be coupled to the first cover so as to form an internal space comprising the at least two accommodation spaces and a tunnel portion between the at least two accommodation spaces;
• a battery pack assembly comprising at least one battery module mounted in at least one of the at least two accommodation spaces;
• electronic circuitry configured to manage the at least one battery module;
• and
• a vent positioned away from the electronic circuitry and the tunnel portion and configured to discharge gas from the internal space,
• wherein a side space is formed between a first body of the first cover and a second body of the second cover, and
• wherein a cross-sectional area of the side space is greater than a cross-sectional area of the tunnel portion,
• wherein the first cover comprises:
• a plurality of first bodies;
• and
• a first central portion positioned between the plurality of first bodies, wherein each of the at least two accommodation spaces is respectively formed in one of the plurality of first bodies,
• wherein the second cover comprises:
• a plurality of second bodies;
• and
• a second central portion positioned between, and protruding upward from, the plurality of second bodies, and
• wherein, when the second cover is coupled with the first cover, the plurality of second bodies are spaced apart from the plurality of first bodies and the second central portion is spaced apart from the first central portion.