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Determination of an alarm-issuing time of an alarm device

An alarm and danger technology, applied in the danger alarm, to determine the triggering time of the danger alarm, the program unit field of the triggering time, to achieve the effect of a universally effective method, no delay alarm triggering, and a simple method

Inactive Publication Date: 2011-05-18
SIEMENS SWITZERLAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as soon as rising or falling gas concentrations occur, it can be problematic to assign the waiting time uniquely to certain measured values.

Method used

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  • Determination of an alarm-issuing time of an alarm device
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  • Determination of an alarm-issuing time of an alarm device

Examples

Experimental program
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Embodiment Construction

[0089] figure 1 A hazard warning system 100 is shown, which has a hazard warning center 110 and a hazard alarm 120 . According to the exemplary embodiment represented here, the hazard alarm is a gas alarm 120 which is sensitive to the CO concentration. However, this by no means excludes that the hazard alarm 120 cannot also be sensitive to other gases and / or to detect other potential hazards such as smoke.

[0090] To detect the gas concentration, the hazard indicator 120 has a detection device 122 . The detection device 122 has a gas sensor (not shown in further detail) which is suitable for measuring the CO concentration.

[0091] An analysis device 124 is connected downstream of the detection device 122 . Evaluation device 124 has a computing unit 124 a configured to implement the method described in the present application for determining the triggering time of a warning notification of hazard alarm 120 . The hazard warning device 120 also has a transmitting and receiv...

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PUM

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Abstract

A method for determining a triggering time for the issuance of an alarm by an alarm device (120) is described. The method indicates a way of sensing a measured value at a measuring time, and the measured value is indicative of a hazard potential within a monitoring range, a way of identifying a waiting time by means of a function (261, 262) which respectively indicates an assigned waiting time for a plurality of different measured values and which has a continuous profile, and a way of determining the triggering time on the basis of the measuring time and the identified waiting time. In addition, an alarm device having a detection device for sensing a measured value and having an evaluation device which is configured to carry out said method is described. In addition, a program element for determining a triggering time for the issuance of an alarm by an alarm device is described, wherein the program element can be loaded into an evaluation unit of the alarm device and can cause the abovementioned method to be carried out.

Description

technical field [0001] The invention relates to the technical field of danger alarm technology. In particular, the invention relates to a method for determining the triggering time of a hazard alarm which is dependent on a detected measured value indicating a potential danger within a monitoring range. The invention further relates to a hazard indicator having a detection device for detecting such a measured value and having an evaluation device designed to carry out the method. The invention further relates to a program element for determining the triggering time of an alarm notification of a hazard alarm, which program element can be loaded into an evaluation unit of the hazard alarm and can cause the aforementioned method to be carried out. Background technique [0002] In order to detect an undesired occurrence of hazardous situations early, such as the escape and / or formation of hazardous gases, hazard alarms are often used which are installed at suitable locations in ...

Claims

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Application Information

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IPC IPC(8): G08B21/14
CPCG08B21/14A61B5/746G08B29/26G08B31/00
Inventor M·福斯特A·杜里克
Owner SIEMENS SWITZERLAND