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Heat sensor and heat/smoke combination-type fire detector

A heat sensor, heat detection technology, applied in fire alarms, electrical fire alarms, instruments, etc., can solve problems such as low temperature

Pending Publication Date: 2022-01-28
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So even though the temperature is actually high enough to make a decision that there should be a fire, the sensed temperature may still be low enough to make an erroneous decision that there shouldn't be a fire yet

Method used

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  • Heat sensor and heat/smoke combination-type fire detector
  • Heat sensor and heat/smoke combination-type fire detector
  • Heat sensor and heat/smoke combination-type fire detector

Examples

Experimental program
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Embodiment Construction

[0017] (1) Summary

[0018] The drawings to be referred to in the following description of the embodiments are all schematic representations. That is, ratios of dimensions (including thicknesses) of respective constituent elements shown on the drawings do not always reflect their actual dimension ratios.

[0019] The thermal sensor 1 according to an exemplary embodiment may be realized eg as a fire detector comprising a thermal detection unit 3 for detecting heat eg generated by a fire. In other words, the heat sensor 1 is a sensor having at least the ability to detect heat. In the following description, thermal sensor 1 is considered to be a so-called "smoke and heat detector" (see Figure 1-6 ), in which case the thermal sensor 1 further comprises a smoke detection unit 4 (see figure 1 ). Optionally, instead of or in addition to the smoke detection unit 4, the thermal sensor 1 may also include a detection unit for detecting the presence of eg flames, gas leaks or carbon ...

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PUM

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Abstract

The purpose of the present invention is to provide a heat detector which avoids excessively decreasing the heat of a gas moving towards a heat detection unit. This heat detector 1 is provided with a base 1b and a heat detector main body 1a. The base 1b is attached to an attachment surface X11 of a building. The heat detector main body 1a has the shape of a bottomed cylinder and is attached to the base 1b. The heat detector main body 1a is provided with an opening 7, a substrate 2, a heat detection unit 3 and at least one wall 522. The wall 522 controls flow of the aforementioned gas such that the gas passing through the opening 7 flows towards the heat detection unit 3. The wall 522 divides the flow of the gas into multiple gas streams after entering the opening 7 from an outer space SP2. Further, the wall 522 causes the divided gas stream on the side nearer the inner surface of the heat detector main body 1a to travel towards the heat detection unit 3.

Description

technical field [0001] The present disclosure relates generally to thermal sensors and smoke and heat fire detectors (hereinafter simply referred to as "smoke and heat detectors"), and more particularly to thermal sensors and smoke and heat detectors for sensing heat generated by, for example, a fire. heat detector. Background technique [0002] Patent Document 1 discloses a fire detector including: a heat detection unit for detecting heat based on hot air generated when a fire occurs; a sensor body provided with the heat detection unit; and a heat detection unit for protecting the heat detection unit. unit cover. The outer cover includes a plurality of plate-like fins arranged around the thermal detection unit. The plurality of plate-shaped fins are arranged to define a predetermined offset angle with respect to a direction toward the center of the outer cover, and are substantially upright with respect to the sensor body. This allows the hot air generated by the fire to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/06
CPCG08B17/06G08B17/107G08B17/10
Inventor 室直树
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD