Storage tank inner initial fire detector
A technology of fire detectors and storage tanks, applied in the field of flame detection, can solve the problems of being easily affected by lightning, electric arc, etc., difficult to distinguish between flames and backgrounds, and long response time, so as to timely and accurately detect fires and suppress the spread of fires , the effect of reducing the consequences of accidents
Inactive Publication Date: 2019-06-28
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
Ultraviolet detectors respond quickly and are not sensitive to people and high-temperature objects, but there is background noise and are easily affected by lightning, arcs, etc. Infrared detectors are easily affected by high-temperature objects, people, sunlight, etc. Single infrared detector is prone to false alarms when detecting
The response time of dual-band infrared and triple-band infrared detectors is long, and it is difficult to distinguish the flame from the background when the background is complex, and the false alarm rate is high
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[0033] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.
[0034] see figure 1 , which is a schematic structural diagram of the initial fire detector in the storage tank provided in this embodiment. An initial fire detector in a storage tank is installed inside the storage tank and includes an infrared detection module, an ultraviolet detection module, a visible light detection module and a control module.
[0035] The infrared detection module is used for detecting the infrared light signal inside the storage tank, and converting the infrared light signal into a first voltage signal.
[0036] Optionally, the infrared detection module includes an infrared sensor, a signal preprocessing circuit, an amplification circuit, and a ...
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The invention provides a storage tank inner initial fire detector. A visual light detecting module is introduced for detecting abnormal intensity of visual light in a storage tank, so that the problemof difficult detection caused by lower degree of the visual light in the storage tank due to a closed state under normal conditions is solved; the detector combines the advantages of an ultraviolet sensor, an infrared sensor and the visual light sensor to complement defects; and infrared, ultraviolet and visual light characteristic signals of fire in monitored areas are comprehensively analyzed to judge if fire occurs, so that the fire can be quickly identified, the accuracy is higher, and related persons can timely and accurately discover the fire to effectively inhibit the propagation of the fire in the storage tank to reduce fire accidents of the storage tank.
Description
technical field [0001] The invention belongs to the technical field of flame detection, in particular to an initial fire detector in a storage tank. Background technique [0002] With the rapid development of the national economy, petroleum and petroleum products are more and more widely used in production and life, and various oil depots and gas stations are increasing, and oil tanks are the most important equipment for storing bulk oil. One of the most commonly used oil storage methods at present. All kinds of oil products stored in oil tanks are generally volatile, easy to lose, easy to burn, easy to explode and so on. The initial stage of a storage tank fire is the golden time for fire fighting. Therefore, in order to minimize the loss, the research on rapid detection technology of initial fire has become one of the research hotspots in the fire protection industry. [0003] Traditional fire detectors are mainly smoke, temperature and light detectors. Smoke-sensing an...
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IPC IPC(8): B65D90/48
Inventor 赵林双董喆陈登博
Owner BEIJING INSTITUTE OF TECHNOLOGYGY