Petrochemical tank field automatic fire alarm system
A technology of fire alarm system and tank area, which is applied in fire alarms, fire alarms relying on radiation effects, and fire alarms relying on smoke/gas effects, etc., which can solve the problems of increased risk coefficient of fire accidents, etc.
Inactive Publication Date: 2021-09-10
南京品傲光电科技有限公司
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Problems solved by technology
[0003] For this reason, the present invention provides an automatic fire alarm system for petrochemical tank farms, which is used to overcome the hysteresis of fire detection in the prior art and increase the accident risk factor. big problem
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[0043] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.
[0044] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.
[0045] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is ...
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The invention relates to an automatic fire alarm system for a petrochemical tank field, and the system comprises an alarm device, a video collection module, an outdoor smoke sensor, a wind direction and wind speed collection module, and a central control module which is connected with the alarm device, the video collection module, the wind direction and wind speed collection module, and the outdoor smoke sensor. The system is used for judging whether a fire occurs and predicting flame trend. The video collection module comprises a plurality of cameras, and each camera is provided with a brightness sensor and a distance measuring sensor. According to the invention, key video acquisition is carried out on a brightness abnormal point, the central control module analyzes the acquired video information of the brightness abnormal point, obtains the flicker frequency of the brightness abnormal point, judges whether the brightness abnormal point is a fire source according to the flicker frequency, and obtains the fire source information while ensuring the formation of the fire source through the acquisition and analysis of the brightness abnormal point. The timeliness of finding the ignition point is guaranteed, and the problem that the accident danger coefficient is increased due to hysteresis of fire detection is solved.
Description
technical field [0001] The invention relates to the technical field of fire alarms, in particular to an automatic fire alarm system for petrochemical tank farms. Background technique [0002] As the main storage area for oil and products, the tank farm is responsible for the sending, receiving and storing of liquid oil and combustible gas. The biggest safety risk in the tank farm is the fire of the storage tank. As the storage tank is getting bigger and bigger, the area occupied by the tank farm is also larger. Once a fire occurs, it is easy to damage the nearby storage tanks. The sending and receiving operations of storage tanks are frequent, and the frequency of equipment inspection and maintenance is high. Especially in the tank farms of refining and chemical enterprises, in order to cooperate with the production of equipment, there are often situations where the tanks cannot be cleaned and repaired for a long time and can only be repaired while producing. The management ...
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IPC IPC(8): G08B17/12G08B17/10H04N7/18
CPCG08B17/125G08B17/10H04N7/181
Inventor 刘伟平叶晓平董俊伟徐荣进邓启航
Owner 南京品傲光电科技有限公司