Alarm and alarm fault detection method
An alarm and fault state technology, applied in the field of alarms, can solve problems such as failure to detect alarm faults in time
Active Publication Date: 2022-03-29
河南驰诚电气股份有限公司
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[0003] The purpose of the embodiment of the present application is to provide an alarm and an alarm fault detection method to improve the problem in the prior art that it is impossible to find out whether the alarm is faulty
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.
[0033] It should ...
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The embodiment of the present application provides an alarm and alarm failure detection method, the alarm includes a sensor, a central processing module and a pulse signal output module, the central processing module is connected to the sensor through the pulse signal output module, and the central processing module is also connected to the sensor , the method includes: the pulse signal output module outputs a pulse period signal to the sensor under the control of the central processing module; the central processing module obtains the level signal of the first connection point between the sensor and the pulse signal output module within a preset time period; the central processing The module determines the fault state of the sensor according to the level signal of the pulse cycle signal within the preset time period and the level signal of the first connection point, because the central processing module can obtain the power of the first connection point within the preset time period It can detect the fault state of the sensor in time by processing it, so that it can be found in time whether the alarm is faulty, so as to ensure the normal operation of the alarm.
Description
technical field [0001] The present application relates to the technical field of alarms, in particular, to an alarm and a fault detection method for the alarm. Background technique [0002] In some scenes where carbon monoxide is toxic to the human body, the concentration of carbon monoxide in the air may increase due to poor ventilation in the room or improper design of the coal furnace device. Since carbon monoxide is a colorless and odorless gas, it will cause carbon monoxide in the human body indoors. Poisoning, in order to prevent carbon monoxide poisoning, an alarm is usually installed indoors at present. When the concentration of carbon monoxide in the room is too high, the alarm will give an alarm prompt, so that measures such as ventilation can be taken to reduce the concentration of carbon monoxide in the indoor air. However, the alarm It is prone to failure and cannot work normally, and the failure of the alarm can only be found through regular maintenance, so tha...
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IPC IPC(8): G08B29/12G08B21/16
CPCG08B29/12G08B21/16
Inventor 张磊张静石保敬王晓雷任涛
Owner 河南驰诚电气股份有限公司