| 摘要 |
PROBLEM TO BE SOLVED: To provide a security structure for leaving an evidence of breakage of a control board case without applying a load on a control board or control circuit, while allowing determination whether or not a case cover and a case body are actually in a sealed state.SOLUTION: The security structure for leaving identifiable the evidence of disconnection for two members inseparably connected includes a connecting pin 40 pressed from the side of one member, so as to be inserted through a hole formed in the one member and the other member and to engage with the other member, thereby connecting the two members. The connecting pin 40 has a conductive portion 45 for partially constructing a passage of electric current supplied from a power supply portion. An announcement portion has different operation modes before and after the connection of the two members with the connecting pin 40, and the announcement portion has different operation modes before and after the disconnection of the two members. |
