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Accumulated snow pressure bearing and earthquake prediction two-in-one alarm

An earthquake prediction and alarm technology, applied in the field of alarms, can solve the problems of casualties, economic losses, and prone to collapse, etc., and achieve the effect of reducing casualties and economic losses

Active Publication Date: 2015-07-08
BEIJING UNIV OF CHEM TECH
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AI Technical Summary

Problems solved by technology

[0003] As a large agricultural country, China has a large rural population, and rural buildings are mainly one-story houses. In addition, many factories in China are large-scale one-story houses. When encountering large snowstorms and earthquakes, they are prone to collapse, causing casualties and huge economic losses. loss

Method used

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  • Accumulated snow pressure bearing and earthquake prediction two-in-one alarm
  • Accumulated snow pressure bearing and earthquake prediction two-in-one alarm
  • Accumulated snow pressure bearing and earthquake prediction two-in-one alarm

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Embodiment Construction

[0013] The elastic device (2) is composed of a certain number of springs, the upper ends of the springs are fixedly connected to the pressure-bearing tray (1), and the lower ends of the springs are fixedly connected to the windproof fixing box (3). Using the conversion between the gravity of snow accumulation and the spring elastic force, the gravity of snow accumulation is converted into the contraction displacement of the spring, and the displacement is the distance that the hanging cone (4) descends, as long as the falling suspension cone (4) blocks the emission of infrared rays and Receive, will trigger infrared alarm (5), send the warning signal of snow disaster.

[0014] Such as figure 1 As shown, the bottom end of the pressure-bearing tray (1) is connected with the top end of the elastic device (2) and the top end of the suspension cone (4) line at the same time. In addition, fix the bottom end of the elastic device (2) on the windproof fixed box (3), fix the infrared ...

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Abstract

The invention discloses an accumulated snow pressure bearing and earthquake prediction two-in-one alarm and belongs to the field of machine design. The accumulated snow pressure bearing and earthquake prediction two-in-one alarm comprises a pressure bearing tray, an elastic device, a wind-proof fixing box, a hanging cone, an infrared alarm and a net box. The weight of accumulated snow is transferred to hanging cone displacement through the pressure bearing tray and the elastic device, the hanging cone serves as a trigger of the infrared alarm, and the alarm is started. In addition, when an earthquake happens, due to the elastic device, the hanging cone can swing up and down greatly relative to the infrared alarm, and the alarm is triggered. The accumulated snow pressure bearing and earthquake prediction two-in-one alarm sends alarms when two natural disasters happen, and the life and property loss of people is reduced.

Description

technical field [0001] The invention is an alarm device for predicting two kinds of natural disasters, which is specifically applied to the roofs of residential buildings and factory buildings, and belongs to the field of mechanical design. Background technique [0002] Snow disaster, also known as white disaster, is a natural disaster phenomenon caused by long-term heavy snowfall and snow accumulation, which affects people's normal life; earthquake is a natural phenomenon in which vibration is caused by the rapid release of energy from the earth's crust, and seismic waves are generated during the period. It will cause great harm to the people within the range of the earthquake. An earthquake produces two seismic waves, a longitudinal wave and a transverse wave. The longitudinal wave propagates at a speed of about 6 km per second in the shallow layer of the earth's crust, while the transverse wave propagates at a speed of 3.5 km per second. Because the longitudinal wave and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/10
CPCG08B21/10
Inventor 刘勇彭浩
Owner BEIJING UNIV OF CHEM TECH
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