Large-space full-size fire scene simulation experiment control system and method thereof

Abstract

The invention relates to a large-space full-size fire scene simulation experiment control system and a method thereof. The system is technically characterized by comprising a simulated fire source andconvection fuming system, a temperature data acquisition and processing system, a wind speed data acquisition and processing system, a height marking and image acquisition system, a mobile power supply and a control host which are arranged in a high and large space building; the mobile power supply is connected with the simulated fire source and convection fuming system, the temperature data acquisition and processing system, the wind speed data acquisition and processing system and the height marking and image acquisition system are connected and used for supplying power for the above system; a data acquisition sub-module, a data storage sub-module and a UI display sub-module are arranged in the control host to realize the functions of processing and controlling the field data. The system disclosed by the invention adopts a 1-WIRE bus mode to perform networking on the sensors, and has the characteristics of being simple and convenient for wiring and flexible in mounting and dismounting, and strong in stability of data transmission; and the problem that the air inlet at one side interferes with hot smoke by adopting a fume generating device with air inlet at two sides is avoided.

Description

technical field [0001] The invention belongs to the technical field of fire detection and control, in particular to a large-space full-scale fire scene simulation experiment control system and a method thereof. Background technique [0002] With the rapid development of urbanization, a number of large-space buildings such as conference centers, atriums, and underground projects have been newly built in urban buildings. These buildings are often crowded places or places where people are difficult to evacuate. Therefore, safety issues such as fire and smoke emission in large-space buildings are becoming more and more important. Before the above-mentioned large-space buildings are put into operation, it is necessary to carry out safety experiments such as fire and smoke. [0003] Traditional experimental methods usually use cold smoke test technology and scaled-down simulation technology, which have at least the following disadvantages: large-scale full-scale experimental test...

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Problems solved by technology

[0003] Traditional experimental methods usually use cold smoke test technology and scaled-scale simulation technology, which have at least the following disadvantages: large-scale full-scale experimental tests cannot be carried out, and the indicators reflected are not consistent with real fires.

However, the full-scale fire scene simulation experiment has objective requirements such as changeable test sites, incomplete power supply of the experimental site circuit system, complex electromagnetic interference factors on site, and real-time comparison of observation records for specific location data. Therefore, the existing fire site The main problems in the simulation experiment control system are: (1) There are thermocouples or thermal resistances used as the temperature acquisition module, which makes the wiring complicated and inconvenient to disassemble and convert the test site, or the sensor adopts single-bus transmission mode, the wiring is simple, but the primary loop There are more than 16 connected temperature measurement points, which leads to the instability of the temperature measurement system; (2) there is a problem that the temperature measurement line series measurement points are fixed and cannot be expanded; way, the tracer flue gas produced has initial kinetic energy, which has the problem of interfering with hot flue gas

(4) The problem of inconvenient display and control of the control host: it only has simple data collection and recording and drawing functions, and the on-site drawings cannot be imported according to the different test sites to quickly generate a map of the layout of experimental measuring points; The problem of real-time display of data in the interface; the incompatibility of the temperature data acquisition module and the wind speed data acquisition module leads to the problem that the real-time display cannot be displayed on the same interface; the placement of sensors for measuring temperature and wind speed is random and redundant, and there is no scientific and simple measuring point problem with layout

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