Compression air foam mixed control system of fire truck
A technology of compressed air foam and mixing control, which is applied in various fluid ratio control and other directions, and can solve problems such as unstable performance, complicated operation, and unfriendly interface
Active Publication Date: 2014-02-12
INST OF AUTOMATION CHINESE ACAD OF SCI
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[0004] In order to overcome the disadvantages of unfriendly interface, complicated operation and unstable performance of existing domestic fire trucks and emergency rescue equipment, the patent of the present invention provides a compressed air foam mixing control system for fire trucks, which introduces automation and information technology, and has a touch screen. Combination control of friendly operation interface, programmable controller, industrial control equipment and other automation technology equipment, through the highly integrated visual information system, the operation of the whole machine, the display of information, the collection of data, the analysis of data, the processing and control of data , more stable, simple and intuitive
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[0011] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0012] figure 1 Shown is the structural diagram of the compressed air foam mixing control system (CAFS) of the fire truck of the present invention. Such as figure 1 As shown, the fire truck compressed air foam mixing control system (CAFS) includes: information collection and status display module, foam mixing logic control module and foam mixing ratio real-time control module.
[0013] Among them, the information collection and status display module is used to detect the key input signals of the user panel and various sensor input signals. After the above information is comprehensively processed, such as analog-to-digital conversion or digital-to-analog conversion, various status information is displayed by LED and liqui...
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The invention discloses a compression air foam mixing control system of a fire truck, which comprises an information collection and state display module, a foam mixing logical control module and a foam mixing proportion real-time control module. The foam mixing proportion real-time control module controls rotating speed of a foam mixing motor according to user panel key input signals transmitted by the information collection and state display module and current water flow and foam flow which are obtained by real-time collection through an internal digital PID controller to achieve the function of maintaining foam mixing proportion stability no matter how the water flow changes. The compression air foam mixing control system of the fire truck enables operation, information display, data collection, data analysis, data processing and data control of a whole machine to be more stable, simple, convenient and audio-visual through a highly integrated visual information system.
Description
technical field [0001] The invention relates to the field of automatic control, in particular to a control system which keeps the foam mixing ratio stable no matter how the water flow on the fire truck changes. Background technique [0002] In recent years, frequent natural disasters and emergencies in China have aroused attention and demand for special equipment for emergency rescue and disaster relief. Emergency and disaster relief equipment is an important branch of special vehicles. This kind of equipment needs to be able to complete various rescue and disaster relief operations in an extremely complex and harsh operating environment, including emergency communication, medical rescue, fire extinguishing, disinfection, bridge and road repair, and even personnel transfer, etc. [0003] The intelligent automation control system is an indispensable condition for realizing the above-mentioned operation functions. At present, domestic fire trucks and emergency rescue equipme...
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IPC IPC(8): G05D11/13
Inventor 王健
Owner INST OF AUTOMATION CHINESE ACAD OF SCI