Title:
HEAT DETECTOR
Document Type and Number:
WIPO Patent Application WO/2022/180763
Kind Code:
A1
Abstract:
The present invention has a sensing unit (2) that is exposed to a monitored region (12) and that senses heat, a guard structure (7) that is provided to the periphery of the sensing unit (2) and that protects the sensing unit (2) from monitored-region (12)-side external force, and a display lamp (4) that carries out display pertaining to a heat detector (1), the display lamp (4) having a planar visible section (42) of which at least a portion is located on the inner side of the guard structure (7) and in the surroundings of the sensing unit (2) in plan view, and being such that at least a portion of the visible section (42) can be visually confirmed from the monitored-region (12) side through the guard structure (7).
Inventors:
TSURUMI HAYATO (JP)
FU BO (JP)
FU BO (JP)
Application Number:
PCT/JP2021/007244
Publication Date:
September 01, 2022
Filing Date:
February 26, 2021
Export Citation:
Assignee:
HOCHIKI CO (JP)
International Classes:
G08B17/06
Domestic Patent References:
| WO2017177000A1 | 2017-10-12 |
Foreign References:
| JP2019168914A | 2019-10-03 | |||
| JP2003036488A | 2003-02-07 | |||
| JPH0428389U | 1992-03-06 | |||
| JPH02257399A | 1990-10-18 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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