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Gas detection alarm

A gas detection and alarm technology, applied in alarms, instruments, fuel testing and other directions, can solve the problems of people's lives, property safety loss, single alarm form, easy to cause fire or explosion accidents, etc., to save early warning time, improve The effect of the safety factor

Inactive Publication Date: 2012-02-08
南京科力赛克安全设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional gas detection alarm uses the same non-sealed casing as the civilian instrument, and it does not have the explosion-proof function. When the gas detection alarm is in contact with explosive gas, due to its internal processing circuit and high temperature environment, it is easy to cause fire. Or explosion accidents, ranging from damage to the instrument itself, and causing losses to people's lives and property safety; in addition, traditional gas detection alarms transmit electrical signals to the control room terminal, and then the control room terminal sends out an alarm signal. The signal needs to be transmitted twice before it can be sent to the scene, and the alarm form is single, which delays the first time when explosive gas is detected, and also causes certain safety hazards

Method used

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Embodiment Construction

[0021] Such as Figure 1-8 As shown, a cuboid without a top surface is used as the lower shell 1 of the gas detection alarm, and the four side connecting parts of the lower shell 1 are rounded, and the thickness direction of the side is provided with a threaded hole 2 perpendicular to the bottom surface of the lower shell, The threaded hole 2 is set at the rounded corner of the side of the lower shell 1 and the middle part of a pair of opposite sides. Above the lower shell 1, an upper cover 3 matching the shape of the lower shell 1 is provided, and an upper cover 3 is provided on the edge part. There is a threaded through hole 4 corresponding to the position of the threaded hole 2 of the lower case 1. On the contact surface between the lower case 1 and the upper cover 3, epoxy resin is also applied. The bolt 5 passes through the threaded through hole 4 of the upper cover and is connected to the lower case. The threaded hole 2 of the shell 1, and the bolt 5 is screwed into the ...

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Abstract

The invention discloses a gas detection alarm which comprises an upper cover, a lower shell, a sensor seat, a sensor, an alarm connecting piece, an alarm and a processing circuit; threaded holes in corresponding positions are arranged around the upper cover and the lower shell; the upper cover and the lower shell are fastened into an explosion-proof outer shell through bolts in the threaded holes; the side surface of the lower shell is respectively provided with the sensor seat and the alarm connecting piece which are communicated with the explosion-proof outer shell; the sensor is arranged in the sensor seat; the sensor seat is connected to a sensor breathing apparatus; an explosion-proof piece and a breathing port are arranged in the sensor breathing apparatus; the alarm connecting piece is connected to the alarm; the explosion-proof piece is arranged in the alarm; and the processing circuit is electrically connected between the sensor and the alarm, and is used for receiving the electric signals of the sensor and triggering the alarm.

Description

technical field [0001] The invention relates to a gas detection alarm. Background technique [0002] The gas detection alarm is an instrumentation tool for gas composition and content detection. It mainly uses the sensor and processing circuit in the gas detection alarm to transmit the electrical signal generated by the sensor in contact with the gas to the control room. Generate alarm signals to achieve the purpose of alarm, especially in explosive gas environments such as production, storage, rescue, as well as petroleum, chemical and other industries, gas detection alarms have been widely used and become one of the essential safety system equipment . However, the traditional gas detection alarm uses the same non-sealed casing as the civilian instrument, and it does not have the explosion-proof function. When the gas detection alarm is in contact with explosive gas, due to its internal processing circuit and high temperature environment, it is easy to cause fire. Or expl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/12G01N33/22
Inventor 付彦奎
Owner 南京科力赛克安全设备有限公司
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