CN114949699B - Vehicle-mounted fire-fighting system and method and fire-fighting vehicle - Google Patents
Vehicle-mounted fire-fighting system and method and fire-fighting vehicle Download PDFInfo
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- CN114949699B CN114949699B CN202210596610.7A CN202210596610A CN114949699B CN 114949699 B CN114949699 B CN 114949699B CN 202210596610 A CN202210596610 A CN 202210596610A CN 114949699 B CN114949699 B CN 114949699B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a vehicle-mounted fire-fighting system, a method and a fire-fighting vehicle, wherein the system comprises: the fire-fighting water pump device is connected with the electric control unit, the foam generating device is connected with the electric control unit, the fire-fighting unmanned aerial vehicle is in communication connection with the electric control unit, and the fire-fighting belt is connected with the fire-fighting water pump device and the foam generating device; the fire-fighting water pump device is used for being connected with the fire hydrant so as to pump fire-fighting water provided by the fire hydrant to a fire fighting belt; the foam generating device is used for pumping the fire-fighting foam to the fire-fighting belt; the fire-fighting unmanned aerial vehicle is used for bringing the jet orifice end of the fire-fighting belt to a specified position; the electric control unit is used for controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device, so that the horizontal distances of fire-fighting foam and fire-fighting water injection are consistent. The electric control unit controls the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device, so that the consistency of fire-fighting water and fire-fighting foam in the fire-fighting process can be kept, and the fire-fighting effectiveness is improved.
Description
Technical Field
The invention relates to the technical field of fire fighting vehicles, in particular to a vehicle-mounted fire fighting system and method and a fire fighting vehicle.
Background
The fire fighting truck is also called a fire fighting truck, is designed and manufactured according to the requirements of timeliness and effectiveness of fire fighting, and is suitable for firefighters to take, equip various fire fighting equipment or fire extinguishing agents and carry out special fire fighting or auxiliary fire fighting. The fire engine can transport firefighters to a disaster site and provide a variety of tools for performing disaster relief tasks. And can be connected with a fire hydrant to provide fire water and provide fire foam in special scenes. However, fire extinguishing is often inefficient because of inconsistent spray distances between fire fighting water and fire fighting foam.
Disclosure of Invention
The invention aims to control the water pump pressure of a fire-fighting water pump device and the foam pump pressure of a foam generating device, and can keep the consistency of fire-fighting water and fire-fighting foam in the fire-fighting process, thereby solving the technical problem of low fire-fighting effectiveness, and providing a vehicle-mounted fire-fighting system, a method and a fire-fighting vehicle.
The invention adopts the following technical means for solving the technical problems:
in a first aspect, there is provided a fire suppression system for vehicular fire protection, comprising:
the fire-fighting water pump device is connected with the electric control unit, the foam generating device is connected with the electric control unit, the fire-fighting unmanned aerial vehicle is in communication connection with the electric control unit, and the fire-fighting belt is connected with the fire-fighting water pump device and the foam generating device;
the fire fighting water pump device is used for being connected with a fire fighting water bolt so as to pump fire fighting water provided by the fire fighting water bolt to the fire fighting belt;
the foam generating device is used for pumping fire-fighting foam to the fire-fighting belt;
the fire-fighting unmanned aerial vehicle is used for bringing the jet port end of the fire-fighting belt to a specified position;
the electronic control unit is used for controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device so as to enable the horizontal distance between the fire-fighting foam and the fire-fighting water jet to be consistent.
Optionally, the foam generating device comprises: the device comprises a compressed air machine unit, a foam proportion mixing unit, a mixer unit and a pipeline;
the compressed air machine unit is used for compressing air and providing the compressed air to the mixer unit;
the foam proportion mixing unit is used for adjusting the flow rate of fire fighting foam injection in the foam storage tank according to the selected foam proportion so as to provide the fire fighting foam to the mixer unit;
the mixer unit is used for mixing the fire-fighting foam provided by the foam proportion mixing unit with compressed air and pumping the mixed fire-fighting foam and air to the fire-fighting belt;
and the pipeline is used for connecting all units in the foam generating device through pipes.
Optionally, the electronic control unit is configured to generate water pressure control information and foam injection pressure information according to a flying height input by a user; and the number of the first and second electrodes,
and controlling the water pump pressure of the fire-fighting water pump device according to the water pressure control information, and controlling the foam pump pressure of the foam generating device according to the foam injection pressure information.
Optionally, the electronic control unit is further configured to:
acquiring the water outlet pressure of a water outlet end of the fire fighting belt and the foam injection pressure of a foam injection end of the fire fighting belt aiming at each pulse period, wherein the pulse period is the pulse period of a water pump in the fire fighting water pump device, and the injection end comprises the foam injection end and the water outlet end;
determining the foam density of the fire-fighting foam at the foam injection end according to the foam proportion and the flying height;
determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of the fire fighting water according to the fire fighting water density and the water outlet pressure;
determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference value between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
and adjusting the water pressure control information according to the first adjustment amount and adjusting the foam injection pressure information according to the second adjustment amount, so that the fire fighting foam and the fire fighting water are injected at constant pressure.
Optionally, the fire-fighting unmanned aerial vehicle is configured to bring the fire-fighting hose water outlet end to a specified position indicated in the flight instruction according to the received flight instruction;
the flight instruction is generated by the electronic control unit according to the flight height input by the user, and/or the control terminal pre-bound with the fire-fighting unmanned aerial vehicle is generated according to the flight height input by the user.
Optionally, the foam generating device further comprises: and the foam inspection unit is used for cleaning the foam supply pipeline according to a preset period and recovering the foam in the foam supply pipeline into the foam storage box of the foam proportion mixing unit.
In a second aspect, a vehicle-mounted fire-fighting method is provided, which is applied to an electronic control unit in a vehicle-mounted fire-fighting system, wherein the vehicle-mounted fire-fighting system comprises the electronic control unit, a fire-fighting water pump device connected with the electronic control unit, and a foam generating device, and the method comprises the following steps:
controlling a pump pressure of the fire fighting water pump device and a foam pump pressure of the foam generating device so that horizontal distances of the fire fighting foam and the fire fighting water spray are consistent.
Optionally, the controlling the water pump pressure of the fire pump device and the foam pump pressure of the foam generating device comprises:
generating water pressure control information and foam injection pressure information according to the flying height input by a user; and the number of the first and second electrodes,
and controlling the water pump pressure of the fire-fighting water pump device according to the water pressure control information, and controlling the foam pump pressure of the foam generating device according to the foam injection pressure information.
Optionally, the method further comprises:
acquiring the water outlet pressure of a water outlet end of the fire fighting belt and the foam injection pressure of a foam injection end of the fire fighting belt aiming at each pulse period, wherein the pulse period is the pulse period of a water pump in the fire fighting water pump device, and the injection end comprises the foam injection end and the water outlet end;
determining the foam density of the fire-fighting foam at the foam injection end according to the foam proportion and the flying height;
determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of the fire fighting water according to the fire fighting water density and the water outlet pressure;
determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference value between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
and adjusting the water pressure control information according to the first adjustment amount and adjusting the foam injection pressure information according to the second adjustment amount so that the fire fighting foam and the fire fighting water are injected at constant pressure.
Optionally, the method further comprises: and generating a flight instruction according to the flight height, and bringing the fire-fighting water outlet end to a specified position indicated in the flight instruction according to the flight instruction.
Optionally, the method further comprises: and cleaning the foam supply pipeline according to a preset period, and recovering the foam in the foam supply pipeline into the foam storage tank of the foam-foam proportion mixing unit.
In a third aspect, there is provided a fire fighting vehicle comprising the on-board fire fighting system of any of the first aspects.
Has the beneficial effects that: the fire pump device is used for being connected with a fire hydrant so as to pump fire water provided by the fire hydrant to a fire hose; the foam generating device is used for pumping the fire-fighting foam to the fire-fighting belt; the fire-fighting unmanned aerial vehicle is used for bringing the jet orifice end of the fire-fighting belt to a specified position; the electric control unit is used for controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device, so that the horizontal distances of fire-fighting foam and fire-fighting water injection are consistent. The water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device are controlled through the electric control unit, so that the consistency of fire-fighting water and fire-fighting foam in the fire-fighting process can be kept, and the fire-fighting effectiveness is improved.
Drawings
FIG. 1 is a schematic diagram of a vehicle-mounted fire suppression system in an embodiment of the present invention;
FIG. 2 is a schematic view of a control interface of the electronic control unit according to an embodiment of the present invention;
FIG. 3 is a flow chart of a fire fighting method for vehicle use in an embodiment of the present invention;
fig. 4 is a flowchart of implementing step S11 in fig. 3 according to an embodiment of the present invention.
The invention will be further described with reference to the drawings for the purpose of illustrating embodiments and functional features and advantages thereof.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, which is a schematic diagram of a vehicle-mounted fire fighting system according to an embodiment of the present invention, as shown in fig. 1, the system 100 includes:
the fire-fighting water pump device comprises an electronic control unit 110, a fire-fighting water pump device 120 connected with the electronic control unit 110, a foam generating device 130, a fire-fighting unmanned aerial vehicle 140 in communication connection with the electronic control unit 110, and a fire-fighting belt connected with the fire-fighting water pump device 120 and the foam generating device 130.
The fire pump device 120 and the foam generating device 130 can be deployed on a fire fighting vehicle.
The fire pump device 120 is used for connecting with a fire hydrant so as to pump fire water provided by the fire hydrant to the fire hose;
the fire-fighting water pump device is characterized in that a water pump of the fire-fighting water pump device can output pressure of 0.4-0.6 Mpa, the vacuum degree of the water pump is larger than 85%, and the water diversion time is shorter than 30 seconds when the water pump sucks water at the depth of 3-4 meters, so that the fire-fighting water pump device can provide fire-fighting water with the rated flow of 150L/min and the rated pressure of 0.8 Mpa.
In addition, the fire-fighting water pump device 120 is provided with a diesel engine, and the diesel engine can provide power output of 30kw/h and is used for driving a water pump of the fire-fighting water pump device.
Optionally, the fire-fighting water pump device 120 is configured with an on-board mobile EV02 centrifugal platform pump G200, and the output parameter thereof is 150L/min,6.8kw.
The foam generating device 130 for pumping fire fighting foam to the fire fighting belt;
the fire-fighting unmanned aerial vehicle 140 is used for bringing the jet orifice end of the fire-fighting belt to a specified position;
the electronic control unit 110 is configured to control a water pump pressure of the fire fighting water pump device and a foam pump pressure of the foam generating device, so that the fire fighting foam and the fire fighting water are sprayed at the same horizontal distance.
The electronic control unit 110 consists of a 16-point programmable logic controller and a 4.5-inch programmable operation screen, a circuit is configured as a quick-plug direct-connection joint of a PCB electric box and an external sensor and a driver, no intermediate connection is available, and devices of the programmable logic controller are connected by a CAN bus; as shown in fig. 2, the programmable operation screen interface displays the water tank, the foam tank liquid level, the air inlet pressure, the mixing ratio, the system pressure, the mixed liquid flow, the output water flow and various parameter values in real time.
Optionally, the programmable operation screen can operate the starting and stopping of the system, the setting of system parameters and the on-off control of peripheral equipment; the operation of the programmable operation screen adopts an integrated hardware switch mode; the electrical box specification 750 x 550 x 120 is installed at the top of the integrated system and is connected with the system chassis into a whole, and the maintenance mode is to disassemble the cover plate upwards and look down for maintenance.
The system is used for being connected with a fire hydrant through a fire pump device so as to pump fire water provided by the fire hydrant to a fire hose; the foam generating device is used for pumping the fire-fighting foam to the fire-fighting belt; the fire-fighting unmanned aerial vehicle is used for bringing the jet orifice end of the fire-fighting belt to a specified position; the electric control unit is used for controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device, so that the horizontal distances of fire-fighting foam and fire-fighting water injection are consistent. The water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device are controlled through the electric control unit, so that the consistency of fire-fighting water and fire-fighting foam in the fire-fighting process can be kept, and the fire-fighting effectiveness is improved.
Optionally, the foam generating device 130 comprises: the device comprises a compressed air machine unit, a foam proportion mixing unit, a mixer unit and a pipeline;
the compressed air machine unit is used for compressing air and providing the compressed air to the mixer unit.
The air compressor configured in the compressed air unit is a screw air compressor, the model of the air compressor is EV02-NK, the net weight of the air compressor is 199KG, the maximum air flow rate capable of being provided is 850L/min and 0.9Mpa, and the maximum output power is 11KW. The maximum working pressure is 15bar, the cooling mode of the air compressor unit is water-cooled, and the air compressor unit is provided with an over-temperature automatic protection device, and the maximum rotating speed can reach 9500r/min.
In which the intake filter is cleaned or replaced for 100 hours for the maintenance of the air compressor. The lubricating oil of the air compressor was replaced every 100 hours. Air compressor lubrication cartridge inspection or replacement every 100 hours
The foam proportion mixing unit is used for adjusting the flow rate of fire fighting foam injection in the foam storage tank according to the selected foam proportion so as to provide the fire fighting foam to the mixer unit.
The foam proportion mixing unit adopts a full-automatic foam proportion mixing control device, can switch preset values of 1% and 3% of foam proportion by one key, and can automatically adjust the foam proportion value from 0.1% to 4%, and the adjustment precision is 0.1%. The foam proportion mixing unit is provided with two foam liquid input ports which are respectively connected with a B-type foam box and an external suction port, the specification of the interface is DN25 hose, and the two foam liquid input ports are connected by a clamp.
The working pressure range of the foam pump is 0.1-1.2 Mpa, the rated continuous flow of a single pump is 10L/min, the foam pump is a screw metering pump, and is controlled by a programmable controller, and the proper foam liquid flow can be automatically proportioned according to the change of the fire fighting water flow according to the selected foam proportion (0.1-3%).
The mixer unit is used for mixing the fire fighting foam provided by the foam proportion mixing unit with compressed air and pumping the mixed fire fighting foam and air to the fire fighting belt;
wherein, the mixer unit adopts a special CAF mixing chamber of full aluminum alloy, the maximum mixing flow is 1000L/min,7.2bar. The interface mode is flange connection, 1/4 inch pressure detection mouth and 1/4 air injection mouth.
And the pipeline is used for connecting all units in the foam generating device through pipes.
The pipeline connected with the output port of the water pump body is welded and formed by SU304 (0 Cr18Ni 9) materials and is connected with a water pump interface bolt in a flange plate mode; the fire extinguishing medium conveying pipeline behind the mixer unit is welded and formed by SU304 (0 Cr18Ni 9) materials and is connected with the output gate through a flange plate by bolts; the air unit and the mixing chamber unit are connected by a compression joint type high-pressure rubber hose with pressure resistance of 2 Mpa; the foam proportion mixing unit is connected with the pipeline by a compression joint type pressure-resistant 2Mpa high-pressure rubber hose.
Optionally, the electronic control unit is configured to generate water pressure control information and foam injection pressure information according to a flying height input by a user; and the number of the first and second antennas is increased,
and controlling the water pump pressure of the fire-fighting water pump device according to the water pressure control information, and controlling the foam pump pressure of the foam generating device according to the foam injection pressure information.
Optionally, the electronic control unit is further configured to:
acquiring the water outlet pressure of a water outlet end of the fire fighting belt and the foam injection pressure of a foam injection end of the fire fighting belt aiming at each pulse period, wherein the pulse period is the pulse period of a water pump in the fire fighting water pump device, and the injection end comprises the foam injection end and the water outlet end;
determining the foam density of the fire-fighting foam at the foam injection end according to the foam proportion and the flying height;
determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of the fire fighting water according to the fire fighting water density and the water outlet pressure;
determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference value between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
and adjusting the water pressure control information according to the first adjustment amount and adjusting the foam injection pressure information according to the second adjustment amount, so that the fire fighting foam and the fire fighting water are injected at constant pressure.
Optionally, the fire-fighting unmanned aerial vehicle is configured to bring the fire-fighting hose water outlet end to a specified position indicated in the flight instruction according to the received flight instruction;
the flight instruction is generated by the electronic control unit according to the flight height input by the user, and/or generated by a control terminal which is pre-bound with the fire-fighting unmanned aerial vehicle according to the flight height input by the user.
Optionally, the foam generating device further comprises: and the foam inspection unit is used for cleaning the foam supply pipeline according to a preset period and recovering the foam in the foam supply pipeline into the foam storage box of the foam proportion mixing unit.
The preset period can be 15 days, the foam proportion system needs to be operated and maintained, after the system is powered on, a start/stop button does not need to be pressed, a page is turned to a second operation interface, a cleaning button is pressed for 30 seconds, a foam liquid cleaning inspection pipeline is arranged and connected to the inlet end of the foam pump, waste is avoided, the foam pump operates at a low speed, and smooth dredging of a foam supply loop is guaranteed.
Based on the same inventive concept, referring to fig. 2, a flowchart of a vehicle-mounted fire fighting method in an embodiment of the present invention is applied to an electronic control unit in a vehicle-mounted fire fighting system, where the vehicle-mounted fire fighting system includes the electronic control unit, a fire fighting water pump device connected to the electronic control unit, and a foam generating device, and as shown in fig. 2, the method includes:
in step S11, the water pump pressure of the fire fighting water pump device and the foam pump pressure of the foam generating device are controlled so that the horizontal distances of the fire fighting foam and the fire fighting water spray are uniform.
Optionally, referring to fig. 3, which is a flowchart for implementing step S11 in fig. 2 in an embodiment of the present invention, in step S11, the controlling the water pump pressure of the fire pump apparatus and the foam pump pressure of the foam generating apparatus includes:
in step S111, generating water pressure control information and bubble injection pressure information according to the flying height input by the user; and the number of the first and second electrodes,
in step S112, the water pump pressure of the fire pump device is controlled according to the water pressure control information, and the foam pump pressure of the foam generating device is controlled according to the foam injection pressure information.
Optionally, the method further comprises:
in step S12, for each pulse period, acquiring a water outlet pressure of a water outlet end of the fire fighting belt and a foam injection pressure of a foam injection end of the fire fighting belt, where the pulse period is a water pump pulse period in the fire fighting water pump device, and the injection end includes the foam injection end and the water outlet end;
in step S13, determining the foam density of the fire-fighting foam at the foam injection end according to the foam proportion and the flying height;
in step S14, determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of the fire fighting water according to the fire fighting water density and the effluent pressure;
in step S15, determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
in step S16, the water pressure control information is adjusted according to the first adjustment amount and the foam injection pressure information is adjusted according to the second adjustment amount so that the fire fighting foam and the fire fighting water are injected at a constant pressure.
Optionally, the method further comprises: in step S17, a flight instruction is generated according to the flight height, and the fire-fighting water outlet end is brought to a designated position indicated in the flight instruction according to the flight instruction.
Optionally, the method further comprises: in step S18, the foam supply line is cleaned at a predetermined period, and the foam in the foam supply line is recovered to the foam storage tank of the foam-foam proportion mixing unit.
The specific implementation of the above method has been described in the introduction related to the system, and is not described herein.
The embodiment of the disclosure also provides a fire fighting vehicle, which comprises the vehicle-mounted fire fighting system.
It is noted that the terms "first" and "second" appearing in the claims, the specification, and the drawings of the specification are used for distinguishing similar objects, and the terms "S11" and "S12" and the like are used for distinguishing similar steps, and do not mean that they are performed in accordance with specific steps.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An on-board fire suppression system, comprising:
the fire-fighting water pump device is connected with the electric control unit, the foam generating device is connected with the electric control unit, the fire-fighting unmanned aerial vehicle is in communication connection with the electric control unit, and the fire-fighting belt is connected with the fire-fighting water pump device and the foam generating device;
the fire fighting water pump device is used for being connected with a fire fighting water hydrant so as to pump fire fighting water provided by the fire fighting water hydrant to the fire fighting belt;
the foam generating device is used for pumping fire-fighting foam to the fire-fighting belt;
the fire-fighting unmanned aerial vehicle is used for bringing the jet orifice end of the fire-fighting belt to a specified position;
the electronic control unit is used for controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device so as to enable the horizontal distances of the fire-fighting foam and the fire-fighting water jet to be consistent;
the electronic control unit is used for generating water pressure control information and foam injection pressure information according to the flying height input by a user; controlling the water pump pressure of the fire-fighting water pump device according to the water pressure control information, and controlling the foam pump pressure of the foam generating device according to the foam injection pressure information;
the electronic control unit is further configured to:
acquiring the water outlet pressure of a water outlet end of the fire fighting belt and the foam injection pressure of a foam injection end of the fire fighting belt aiming at each pulse period, wherein the pulse period is the pulse period of a water pump in the fire fighting water pump device, and the injection end comprises the foam injection end and the water outlet end;
determining the foam density of the fire-fighting foam at the foam injection end according to the foam proportion and the flying height;
determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of the fire fighting water according to the fire fighting water density and the water outlet pressure;
determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference value between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
and adjusting the water pressure control information according to the first adjustment amount and adjusting the foam injection pressure information according to the second adjustment amount so that the fire fighting foam and the fire fighting water are injected at constant pressure.
2. A fire fighting system on board of claim 1, wherein said foam generating device comprises: the device comprises a compressed air machine unit, a foam proportion mixing unit, a mixer unit and a pipeline;
the compressed air machine unit is used for compressing air and providing the compressed air to the mixer unit;
the foam proportion mixing unit is used for adjusting the flow rate of fire fighting foam injection in the foam storage tank according to the selected foam proportion so as to provide the fire fighting foam to the mixer unit;
the mixer unit is used for mixing the fire-fighting foam provided by the foam proportion mixing unit with compressed air and pumping the mixed fire-fighting foam and air to the fire-fighting belt;
and the pipeline is used for connecting all units in the foam generating device through pipes.
3. The vehicle-mounted fire fighting system of claim 2, wherein the fire fighting drone is configured to bring the fire fighting hose outlet end to a designated location indicated in the flight instructions according to the received flight instructions;
the flight instruction is generated by the electronic control unit according to the flight height input by the user, and/or generated by a control terminal which is pre-bound with the fire-fighting unmanned aerial vehicle according to the flight height input by the user.
4. A fire fighting system on board of any of claims 2-3, wherein said foam generating device further comprises: and the foam inspection unit is used for cleaning the foam supply pipeline according to a preset period and recovering the foam in the foam supply pipeline into the foam storage box of the foam proportion mixing unit.
5. The vehicle-mounted fire-fighting method is characterized by being applied to an electric control unit in a vehicle-mounted fire-fighting system, wherein the vehicle-mounted fire-fighting system comprises the electric control unit, a fire-fighting water pump device and a foam generating device, and the fire-fighting water pump device and the foam generating device are connected with the electric control unit, and the method comprises the following steps:
controlling the water pump pressure of the fire-fighting water pump device and the foam pump pressure of the foam generating device so as to enable the horizontal distances of fire-fighting foam and fire-fighting water injection to be consistent;
controlling a water pump pressure of a fire pump apparatus and a foam pump pressure of the foam generating apparatus, comprising:
generating water pressure control information and foam injection pressure information according to the flying height input by a user; and the number of the first and second antennas is increased,
controlling the water pump pressure of the fire-fighting water pump device according to the water pressure control information, and controlling the foam pump pressure of the foam generating device according to the foam injection pressure information;
the method further comprises the following steps:
acquiring the water outlet pressure of a water outlet end of a fire fighting belt and the foam injection pressure of a foam injection end of the fire fighting belt aiming at each pulse period, wherein the pulse period is the pulse period of a water pump in the fire fighting water pump device, and the injection end comprises the foam injection end and the water outlet end;
determining the foam density of the fire fighting foam at the foam spraying end according to the foam proportion and the flying height;
determining the horizontal jet distance of the fire fighting foam according to the foam density and the foam jet pressure, and determining the horizontal jet distance of fire fighting water according to the fire fighting water density and the water outlet pressure;
determining a first adjustment amount of the water pressure control information and a second adjustment amount of the foam injection pressure information according to a difference value between a horizontal injection distance of the fire fighting foam and a horizontal injection distance of the fire fighting water;
and adjusting the water pressure control information according to the first adjustment amount and adjusting the foam injection pressure information according to the second adjustment amount, so that the fire fighting foam and the fire fighting water are injected at constant pressure.
6. A fire fighting vehicle characterized in that it comprises an on-board fire fighting system according to any one of claims 1 to 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2021225383569 | 2021-10-21 | ||
| CN202122538356 | 2021-10-21 |
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| CN114949699B true CN114949699B (en) | 2023-01-31 |
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Citations (7)
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| CN111167046A (en) * | 2020-02-27 | 2020-05-19 | 长沙市云智航科技有限公司 | Fire rescue system and method for high-altitude mooring unmanned aerial vehicle |
| CN212998086U (en) * | 2020-07-22 | 2021-04-20 | 重庆国飞通用航空设备制造有限公司 | Foam fire engine |
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| CN101754785A (en) * | 2007-04-27 | 2010-06-23 | Sogepi有限公司 | Improved compressed air foam technology |
| CN102078669A (en) * | 2009-12-01 | 2011-06-01 | 江苏卡威专用汽车制造有限公司 | Wheeled combined jet fire extinguisher |
| CN102451536A (en) * | 2010-11-01 | 2012-05-16 | 江苏卡威专用汽车制造有限公司 | Compound-jet-flow fire gun |
| CN202438026U (en) * | 2012-02-21 | 2012-09-19 | 明光市浩淼消防科技发展有限公司 | Telescopic powder feeding pipe device for composite jet |
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| CN212998086U (en) * | 2020-07-22 | 2021-04-20 | 重庆国飞通用航空设备制造有限公司 | Foam fire engine |
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| Publication number | Publication date |
|---|---|
| CN114949699A (en) | 2022-08-30 |
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