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CN-122006192-A - Double-medium output fire-fighting system, fire truck and control method

CN122006192ACN 122006192 ACN122006192 ACN 122006192ACN-122006192-A

Abstract

The invention relates to the technical field of fire emergency rescue equipment, in particular to a double-medium output fire-fighting system, a fire truck and a control method. The dual-medium output fire-fighting system comprises a water tank, a water pump, a fire monitor, a water outlet device, a foam tank, a foam pump and a central controller, wherein an inlet of the water pump is connected with the water tank, an outlet of the water pump is connected with an inlet of a main waterway, an outlet of the main waterway is respectively connected with the fire monitor through a gun tube waterway, a water flowmeter and a water pressure sensor are arranged on the main waterway, an outlet of a foam main pipe is connected with the water outlet device through a branch pipeline, a foam pump, a foam flowmeter and a water outlet foam switch valve are sequentially arranged on the foam main pipe, an inlet of a connecting pipeline is connected with the foam main pipe, an outlet of the connecting pipeline is connected with the gun tube waterway, and an electric control switch valve is arranged on the connecting pipeline. Therefore, double-medium synchronous output can be realized, and the efficiency and the reliability of fire rescue are improved.

Inventors

  • WU DONG
  • SHE YUNTAO
  • MA YULONG
  • NI ANZHENG
  • ZHANG KAIXUAN
  • LI WENQIANG

Assignees

  • 四川川消消防车辆制造有限公司

Dates

Publication Date
20260512
Application Date
20260212

Claims (10)

  1. 1. A dual medium output fire protection system, comprising: The fire monitor comprises a water tank (11), a water pump (12), a fire monitor (13), a water outlet device (14), a foam tank (15), a foam pump (16) and a central controller; The water pump is characterized in that an inlet of the water pump (12) is connected with the water tank (11), an outlet of the water pump (12) is connected with an inlet of a main waterway (110), an outlet of the main waterway (110) is respectively connected with the fire monitor (13) through a gun tube waterway (130) and is connected with the water outlet device (14) through a branch waterway (120), and a water flowmeter (111) and a water pressure sensor (112) are arranged on the main waterway (110); The foam main pipe (210) is provided with a foam pump (16), a foam flowmeter (231) and a water outlet foam switch valve (233) in sequence from the foam main pipe (15) to the direction of the branch pipeline (220), and the foam main pipe (210) and/or the branch pipeline (220) are provided with a foam pressure sensor (232); An inlet of the connecting pipeline (310) is connected with the foam main pipe (210), an outlet of the connecting pipeline (310) is connected with the gun barrel waterway (130), and an electric control switch valve (311) is arranged on the connecting pipeline (310); The central controller is respectively electrically connected with the water flow meter (111), the water pressure sensor (112), the foam pump (16), the foam flowmeter (231), the water outlet foam switch valve (233), the foam pressure sensor (232) and the electric control switch valve (311).
  2. 2. The dual media output fire protection system of claim 1, wherein: the water outlet device (14) comprises a water outlet pipe (14 a) and an injection device (14 b), wherein the outlet of the branch pipeline (220) is connected with the water outlet pipe (14 a) through the injection device (14 b), and the injection device (14 b) is configured to adjust the proportion of foam entering the water outlet pipe (14 a) from the branch pipeline (220).
  3. 3. The dual media output fire protection system of claim 2, wherein: The injection device (14 b) has a ratio adjustment mechanism configured to be able to adjust the ratio of foam and water in the mixed liquid of the water outlet pipe (14 a), and the ratio adjustment mechanism has a plurality of gear positions, the ratio of foam in the mixed liquid being different in the case of different gear positions.
  4. 4. The dual media output fire protection system of claim 1, wherein: Further comprising a drive motor (410), the foam pump (16) being in driving connection with the drive motor (410), the drive motor (410) being configured to adjust the pumping flow and pumping pressure of the foam pump (16) by adjusting the rotational speed of the drive motor (410) itself.
  5. 5. The dual media output fire protection system of claim 4 wherein: The power pump (420) is in transmission fit with the driving motor (410) through the side power takeoff (430); The foam tank (15) is provided with a low liquid level switch which is electrically connected with the central controller, and the low liquid level switch is configured to send a signal to the central controller after detecting that the liquid level of the foam tank (15) is lower than a preset liquid level so as to enable the power pump (420) or the side power takeoff (430) to cut off power transmitted to the driving motor (410).
  6. 6. The dual media output fire protection system of claim 1, wherein: The foam water tank further comprises a flushing pipeline (510) and a flushing valve (511), wherein one end of the flushing pipeline (510) is connected with the water tank (11), the other end of the flushing pipeline is connected with the foam main pipe (210), the flushing pipeline (510) is arranged at the joint of the foam main pipe (210) and is positioned between the foam pump (16) and the foam tank (15), and the flushing valve (511) is arranged on the flushing pipeline (510).
  7. 7. The dual media output fire protection system of claim 6 wherein: The foam main pipe (210) is characterized by further comprising a foam external liquid suction connector (234) and a liquid outlet valve (236), wherein the liquid outlet valve (236) and the foam external liquid suction connector (234) are sequentially arranged on the foam main pipe (210) from the foam tank (15) to the branch pipeline (220), and the liquid outlet valve (236) and the foam external liquid suction connector (234) are respectively arranged between the connection part of the flushing pipeline (510) and the foam tank (15).
  8. 8. The dual media output fire protection system of claim 1, wherein: The foam liquid filling device further comprises a foam liquid inlet pipeline (240) and a liquid filling valve (241), wherein one end of the foam liquid inlet pipeline (240) is connected with the foam tank (15), and the other end of the foam liquid inlet pipeline is connected with the foam main pipe (210), and the foam liquid inlet pipe is arranged at the joint of the foam main pipe (210) and is positioned between the foam flowmeter (231) and the foam pump (16); And/or the foam flow meter further comprises a foam flow outlet interface (235), wherein the foam flow outlet interface (235) is arranged on the foam main pipe (210), and the foam flow outlet interface (235) is arranged between the connecting part of the foam liquid inlet pipe on the foam main pipe (210) and the foam flow meter (231).
  9. 9. A fire engine characterized in that it comprises a dual medium output fire protection system according to any one of claims 1-8.
  10. 10. A control method, characterized in that: The control method is based on the dual medium output fire protection system of any one of claims 1-8; the control method at least comprises the following steps: The central controller collects the pressure value of water to be P1 through the water pressure sensor (112) in real time and the pressure value of foam to be P2 through the foam pressure sensor (232), and the central controller keeps P2 to be more than P1 through adjusting the rotating speed of the foam pump (16); closing the electric control switch valve (311), opening the water outlet foam switch valve (233), injecting foam from the foam main pipe (210) into the water outlet device (14) through the branch pipeline (220) according to a preset proportion, and regulating the preset proportion of the foam by the water outlet device (14); And/or opening the electric control switch valve (311), closing the water outlet foam switch valve (233), injecting the foam from the foam main pipe (210) into the water outlet device (14) through the gun barrel waterway (130) in a preset proportion, and adjusting the preset proportion of the foam by the electric control switch valve (311).

Description

Double-medium output fire-fighting system, fire truck and control method Technical Field The invention relates to the technical field of fire emergency rescue equipment, in particular to a double-medium output fire-fighting system, a fire truck and a control method. Background In the fire-fighting emergency rescue scene, water and foam are two core fire-extinguishing media, wherein the water mainly realizes fire extinguishment through cooling effect, and the foam has irreplaceable fire-extinguishing effect on special fires (B type fires) such as oils, chemical industry and the like through covering and asphyxiating effect. Along with the refinement of rescue demand, current fire engine pump system control system has following key technical defect: The dual-medium output capability is lost, namely, the traditional fire engine mostly adopts a single-medium time-sharing output mode, namely, the same water outlet can only independently output water or foam, and dual-medium synchronous output of water and foam can not be realized, so that when aiming at complex fires (such as a scene of coexistence of local oil fire and peripheral solid fire), the medium is required to be frequently switched, and the fire extinguishing time is delayed. Disclosure of Invention The invention aims to provide a double-medium output fire-fighting system, a fire-fighting truck and a control method, which can realize double-medium synchronous output so as to improve the efficiency and reliability of fire rescue. Embodiments of the invention may be implemented as follows: In a first aspect, the present invention provides a dual medium output fire protection system comprising: The device comprises a water tank, a water pump, a fire monitor, a water outlet device, a foam tank, a foam pump and a central controller; The water pump is connected with the water tank through a water pipe, the water pump is connected with the fire monitor through a water pipe, and the water pump is connected with the water tank through a water pipe; The outlet of the foam tank is connected with the inlet of the foam main pipe, and the outlet of the foam main pipe is connected with the water outlet device through a separation pipeline; the foam main pipe is provided with a foam pump, a foam flowmeter and a water outlet foam switch valve in sequence in the direction from the foam tank to the branch pipeline; An inlet of the connecting pipeline is connected with the foam main pipe, an outlet of the connecting pipeline is connected with the gun barrel waterway, and an electric control switch valve is arranged on the connecting pipeline; the central controller is respectively and electrically connected with the water flow meter, the water pressure sensor, the foam pump, the foam flowmeter, the water outlet foam switch valve, the foam pressure sensor and the electric control switch valve. In an alternative embodiment, the water outlet means comprises a water outlet pipe and injection means, the outlet of the branch pipe being connected to the water outlet pipe by the injection means, the injection means being configured to adjust the proportion of foam entering the water outlet pipe from the branch pipe. In an alternative embodiment, the injection device is provided with a proportion adjusting mechanism, the proportion adjusting mechanism is configured to be capable of adjusting the proportion of foam and water in the mixed liquid of the water outlet pipe, the proportion adjusting mechanism is provided with a plurality of gears, and the proportion of foam in the mixed liquid is different under the condition of different gears. In an alternative embodiment, the foam pump further comprises a driving motor in driving connection with the driving motor, wherein the driving motor is configured to adjust the pumping flow rate and the pumping pressure of the foam pump by adjusting the rotating speed of the driving motor. In an alternative embodiment, the device further comprises a power pump and a side power takeoff, wherein the power pump is in transmission fit with the driving motor through the side power takeoff; The foam tank is internally provided with a low liquid level switch which is electrically connected with the central controller, and the low liquid level switch is configured to send a signal to the central controller after detecting that the liquid level of the foam tank is lower than a preset liquid level so as to enable the power pump or the side power takeoff to cut off power transmitted to the driving motor. In an alternative embodiment, the foam water tank further comprises a flushing pipeline and a flushing valve, wherein one end of the flushing pipeline is connected with the water tank, the other end of the flushing pipeline is connected with the foam main pipe, the flushing pipeline is arranged at the joint of the foam main pipe and is positioned between the foam pump and the foam tank, and the flushing valve is arranged on the flushing pipeline. In an op