| 摘要 |
PURPOSE:To prevent the effect of the temperature of a transfer liquid by mounting a heat interrupting section between a lead wire drawing source and a terminal box proper. CONSTITUTION:A terminal plate 2 is mounted to the terminal box 1, and lead wires from the apparatus side such as a pump and connecting wires 3 to a power supply, etc. are connected. A protective cyliner 6 as a protective box body encasing the lead wires 5 is united between the terminal box 1 and the lead wire drawing source 4 at the apparatus side, and the heat insulating materials 7, 8, 9 are set up to both end sections 6 and intermediate section of the protective cylinder 6. A space L between the lead wire drawing source 4 and the terminal plate 2 of the terminal box 1 is selected so as to obtain length required for heat radiation and heat absorption. Accordingly, the lead wire drawing source under a high-temperature or low-temperature state and the terminal box can thermally be interrupted, and the effect of the temperature of the transfer liquid can be prevented. |
