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Temperature detector

A technology of temperature detection device and ambient temperature, applied in fire alarms, instruments, electric fire alarms, etc., can solve problems such as inability to handle correctly

Inactive Publication Date: 2006-10-04
和田耕一
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in the event of a fire, it cannot be properly handled

Method used

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Embodiment Construction

[0037] Embodiments of the present invention are described below.

[0038] figure 1 shows the temperature detection device of the present invention. For this device, a pair of conductors 1 are connected to the power supply unit. In addition, the shape memory alloy body 2 is disposed around the paired conductors 1, and when the ambient temperature of the shape memory alloy body 2 is at a set temperature, the shape memory alloy body 2 recovers due to heat, and each conductor 1 is contacted or connected. Therefore, an electric current is supplied from the power supply unit, and the ambient temperature is detected using this electric current.

[0039] In this embodiment, the conductor 1 is constituted by the conductors of a pair of electric wires 3 . Also, the shape memory alloy body 2 is provided around the paired electric wires 3 . The shape memory alloy body 2 has a coil shape and is wound around a pair of electric wires 3 . In addition, in this embodiment, a plurality of s...

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Abstract

A temperature detecting device having a special structure and suitable for use as a fire sensor. A pair of conductors (1) is connected to a power source device. Further, a shape memory alloy or a shape memory resin body (2) is placed around the pair of the conductors (1). When an ambient temperature of the shape memory alloy or the shape memory resin body (2) is a set temperature, the shape memory alloy or a shape memory resin body (2) restores the shape and the conductors (1) come to be in contact or connected with each other. This causes an electric current to be supplied from the power source device, and an ambient temperature is detected by the current.

Description

technical field [0001] The invention relates to a temperature detection device. Background technique [0002] Temperature detection devices have various configurations, and their purposes are also varied. For example, there are many types of temperature detected by fire sensors. In the fire sensor of the temperature detection type, the temperature around the sensor rises due to the heat of the fire, and when the temperature reaches the set temperature, the fire sensor senses the fire. Therefore, this sensor can also be called an example of a temperature detection device. [0003] However, as described in Japanese Unexamined Patent Publication No. 2003-36488, the fire detector is generally mounted and installed on the ceiling surface, and the installation work is not easy. The number of manpower is required and the cost is high. [0004] In addition, fire sensors are generally installed in buildings after construction, but due to cost, fire sensors are not installed in bu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/06
CPCG08B17/06G08B17/00G08B17/113
Inventor 和田耕一
Owner 和田耕一