Title:
FIRE SENSOR
Document Type and Number:
Japanese Patent JP2022071269
Kind Code:
A
Abstract:
To provide a fire sensor capable of attaining downsizing of a housing without reducing workability of wire connection.SOLUTION: In a fire sensor comprising a plurality of terminal blocks each including an insertion hole for a wire from the outside and incorporating a terminal with which the inserted wire is brought into contact, two of the terminal blocks are disposed in a state of having a predetermined angle in such a manner that extension surfaces of surfaces which are fan-shaped and in which the insertion holes of the terminal blocks are formed cross in the vicinity of a center of the sensor. More specifically, a notch is provided by notching a part of a peripheral edge of a bottom plate in a main body case, two terminal blocks each including an insertion hole for a wire from the outside and incorporating a terminal with which the inserted wire is brought into contact are disposed in the main body case correspondingly to the notch, and the two terminal blocks are disposed in such a manner that surfaces on which the insertion holes of the two terminal blocks are formed form a predetermined angle within a rage from 60 degrees to 120 degrees.SELECTED DRAWING: Figure 2
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Inventors:
ANDO MASAHITO
AKIYAMA NOBUYUKI
OSHITA TAKESHI
AKIYAMA NOBUYUKI
OSHITA TAKESHI
Application Number:
JP2020180133A
Publication Date:
May 16, 2022
Filing Date:
October 28, 2020
Export Citation:
Assignee:
NITTAN CO LTD
International Classes:
G08B17/06; G08B17/00
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune