US 11,865,389 B2
Vehicle-mounted large-flow fire-fighting foam fluid mixing system
Ziyi Jiang, Xuzhou (CN); Wei Li, Xuzhou (CN); Jinsong Zhu, Xuzhou (CN); Fan Jiang, Xuzhou (CN); Ge Zhao, Xuzhou (CN); Xiumei Liu, Xuzhou (CN); and Beibei Li, Xuzhou (CN)
Assigned to China University of Mining and Technology, Xuzhou (CN)
Appl. No. 16/975,421
Filed by China University of Mining and Technology, Xuzhou (CN)
PCT Filed May 14, 2019, PCT No. PCT/CN2019/086775
§ 371(c)(1), (2) Date Aug. 25, 2020,
PCT Pub. No. WO2020/077989, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 201811219308.X (CN), filed on Oct. 19, 2018.
Prior Publication US 2021/0346740 A1, Nov. 11, 2021
Int. Cl. A62C 5/02 (2006.01); A62C 27/00 (2006.01)
CPC A62C 5/022 (2013.01) [A62C 27/00 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A vehicle-mounted large-flow fire-fighting foam fluid mixing system, comprising a supply kit, a mixing kit, and a pipeline kit, wherein the supply kit is connected to the mixing kit by the pipeline kit;
the mixing kit comprises a fire monitor interface (1), a foam generating device (2), and a fluid mixing device (12), wherein a fluid inlet end of the foam generating device (2) is fixedly connected to the fluid mixing device (12), and a fluid outlet end of the foam generating device (2) is fixedly connected to the fire monitor interface (1);
the supply kit comprises an auxiliary gas supply device (5), a fire pump main motor (6), a fire pump (8), and an integrated foam pump (10), wherein the fire pump main motor (6) is connected to the fire pump (8) by the coupling (7); the fire pump (8) and the integrated foam pump (10) are respectively connected to the fluid mixing device (12); and the auxiliary gas supply device (5) is fixedly connected to the foam generating device (2);
wherein the vehicle-mounted large-flow fire-fighting foam fluid mixing system further comprises a control kit, wherein the control kit comprises an auxiliary air flow pressure monitoring instrument (4), a fire water flow pressure monitoring instrument (9), a foam liquid flow pressure monitoring instrument (11), a foam mixing proportion single-chip microcomputer control system (13), an alarm module (14), a power module (15), an auxiliary air compressor switch module (16), a frequency converter (17), and a central control display screen (18); and the fire water flow pressure monitoring instrument (9) is disposed between the fire pump (8) and the fluid mixing device (12), and the foam liquid flow pressure monitoring instrument (11) is disposed between the integrated foam pump (10) and the fluid mixing device (12);
the alarm module (14), the power module (15), the auxiliary air compressor switch module (16), the frequency converter (17), and the central control display screen (18) are respectively connected to the foam mixing proportion single-chip microcomputer control system (13); the foam mixing proportion single-chip microcomputer control system (13) is provided with a data acquisition module, the data acquisition module is connected to the fire water flow pressure monitoring instrument (9), the foam liquid flow pressure monitoring instrument (11), and the auxiliary air flow pressure monitoring instrument (4) respectively; and the frequency converter (17) includes a plurality of output ports that respectively correspond to power frequencies of the fire pump main motor (6), a motor of the integrated foam pump (10), and a motor of the auxiliary gas supply device (5).