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Regional explosion-proof sound alarm circuit, regional explosion-proof sound alarm and system

An alarm and sound technology, which is applied in the field of explosive gas and toxic and harmful gas concentration alarms in industrial sites, can solve the problems of high installation and layout costs, complex and difficult problems, save installation costs, simplify installation operations, and avoid wiring. Effect

Pending Publication Date: 2020-09-29
SINOPEC GUANGZHOU ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on this, it is necessary to provide an area explosion-proof audio alarm circuit, an area explosion-proof audio alarm and a system for the problems of complex operation and high installation and layout costs of traditional alarms.

Method used

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  • Regional explosion-proof sound alarm circuit, regional explosion-proof sound alarm and system
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  • Regional explosion-proof sound alarm circuit, regional explosion-proof sound alarm and system

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Embodiment Construction

[0055] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. A preferred embodiment of the application is shown in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0056] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to and integrally integrated with the other element, or there may be an intervening element at the same time. The terms "disposition", "one end", "other end" and similar expressions are used herein for the purpose of description only.

[0057] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commo...

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Abstract

The invention relates to a regional explosion-proof sound alarm circuit, a regional explosion-proof sound alarm and a system. The regional explosion-proof sound alarm circuit comprises a main controlchip, a wireless power amplifier circuit, a signal transmission circuit, an infrared receiving circuit, a signal processing circuit, a light alarm output circuit and a sound drive circuit, wherein themain control chip is respectively connected with the wireless power amplifier circuit, the signal transmission circuit, the infrared receiving circuit, the signal processing circuit, the light alarmoutput circuit and the sound equipment driving circuit. According to the invention, the regional explosion-proof sound alarm circuit can receive wireless alarm signals transmitted from the outside tocarry out sound-light alarm, the wire routing in the equipment installation process is avoided, and the installation cost is saved; and the explosion-proof infrared remote controller can be used for setting operation, so that live-line non-uncovering operation on site is achieved, the setting operation is simplified, the time cost of workers is saved, and the error probability is reduced.

Description

technical field [0001] The application relates to the technical field of explosive gas and toxic and harmful gas concentration alarm technology at industrial sites, and in particular to an area explosion-proof audio alarm circuit, an area explosion-proof audio alarm and a system. Background technique [0002] In large-scale petrochemical and other industrial sites, there may be dangerous situations such as leakage of explosive gases and toxic and harmful gases. When dangerous situations occur, it is necessary to alarm the on-site staff so that personnel can be evacuated in time and risks can be checked. At present, alarms are generally installed on large-scale petrochemical and other industrial sites for safety alarms. However, during the implementation process, the inventors found that there are at least the following problems in the traditional technology: traditional alarms are complex and difficult to set and operate, and the installation and layout costs are high. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B7/06G08B17/00H04R3/00
CPCG08B7/06G08B17/00H04R3/00
Inventor 张贺卿笃安史继森李宇
Owner SINOPEC GUANGZHOU ENG
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