CN217854231U - A mooring unmanned aerial vehicle system for high-rise building is put out a fire and fire extinguishing systems thereof - Google Patents
A mooring unmanned aerial vehicle system for high-rise building is put out a fire and fire extinguishing systems thereof Download PDFInfo
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- CN217854231U CN217854231U CN202222537976.5U CN202222537976U CN217854231U CN 217854231 U CN217854231 U CN 217854231U CN 202222537976 U CN202222537976 U CN 202222537976U CN 217854231 U CN217854231 U CN 217854231U
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Abstract
The utility model discloses a mooring unmanned aerial vehicle system for high-rise building extinguishes, include: the system comprises a mooring unmanned aerial vehicle, an injection system and a monitoring system; the injection system and the monitoring system are arranged on the mooring unmanned aerial vehicle; the mooring unmanned aerial vehicle is connected with the ground through a mooring cable; the injection system comprises a nozzle; the suspension stabilizing mechanism is used for enabling the operating tethered unmanned aerial vehicle to stably suspend in the air; the hovering stabilization mechanism comprises a reverse motor and a reverse propeller reverse motor which are arranged on the reverse direction of the spray pipe and are connected with the spray pipe, and the reverse motor is controlled to enable the spray pipe to rotate; the rotating speed of the reverse motor is in direct proportion to the outlet pressure of the spray pipe, so that the recoil of the spray pipe is equal to the propelling force of the reverse propeller, and the recoil of the spray pipe when the fire extinguishing agent is sprayed out is counteracted. The spraying system also comprises a steering mechanism, and one end of the spraying pipe is connected with the steering mechanism. A corresponding fire suppression system for high-rise buildings is also disclosed.
Description
Technical Field
The utility model belongs to the technical field of the fire control is put out a fire, especially, relate to a mooring unmanned aerial vehicle system and fire extinguishing systems thereof for high-rise building puts out a fire.
Background
The major problem threatening the safety of high-rise buildings is fire disasters, once the fire disasters occur, irreparable consequences can be caused due to the characteristics of the high-rise buildings, and at present, the fundamental cause of serious fire disasters of urban residences in China is the great difficulty and challenge of fire fighting. On one hand, the whole country has 34.7 ten thousand high-rise buildings with more than 8 floors and more than 24 meters, and more than 6000 super-high buildings with more than one hundred meters, and the number is the first in the world. The traditional high-pressure water gun, the aerial ladder vehicle or the traditional unmanned aerial vehicle are still adopted in the existing fire fighting equipment for fire extinguishing means of high-rise buildings, and most of fire fighting elevating vehicles and fire fighting water guns can only spray the fire fighting water guns to the height of 50 meters at most. If the fire fighter climbs the building with a load and exceeds 20 floors, the physical strength is consumed, and the rescue action cannot be effectively carried out. Once a fire disaster happens to a high-rise building, except for utilizing internal fire-fighting facilities, a more effective means for extinguishing the fire is not available, and the traditional fire-fighting means has the following technical defects: (1) the floor is higher, and climbing is difficult; (2) the evacuation route is less, and the evacuation difficulty is high; (3) Fire-fighting rescue equipment is greatly restricted, the existing fire-fighting vehicle equipment in part of areas can hardly meet the requirements of fire-fighting rescue tasks of high-rise buildings, and special fire-fighting vehicles such as aerial ladder fire trucks and the like can only be close to fire areas with corresponding heights to extinguish fire; and (4) lack of ascending equipment.
Therefore, a means which can ascend quickly, is flexible in deployment and convenient and fast to operate is urgently needed to be found, and the pain points can be effectively solved so as to deal with the fire suppression of high-rise buildings. Further, the selection of a multi-rotor unmanned aerial vehicle which is smaller in size and cost than a manned aircraft, can hover in the air, and can be deployed quickly to extinguish fires in high-rise buildings is a good way naturally. The appearance of the mooring unmanned aerial vehicle enables the problem that the endurance time of the common electric or oil-driven multi-rotor fire-extinguishing unmanned aerial vehicle is limited fundamentally to be effectively solved. Mooring unmanned aerial vehicle is by one kind through the many rotor unmanned aerial vehicle equipment of the formula of mooring that the compound cable of photoelectricity was connected ground power supply system and is acquireed the incessant energy. However, the technical solutions of the prior art for applying the captive robot in the field of fire fighting still have the following typical technical defects:
the technical means for keeping the flight balance in the fire extinguishing operation state is lacked, so that the fire extinguishing operation is accurately and continuously carried out; for example, the recoil caused by the large amount of sprayed fire extinguishing agent to the air working subsystem is not treated; the fire extinguishing can plus the spray gun is adopted to extinguish fire, and due to the lack of necessary regulation and control means, the fire extinguishing agent sprayed by the spray gun is difficult to accurately aim at a fire point or aim at the fire point through a quick adjustment system; unmanned aerial vehicle carries the roof and wastes time and energy, lacks the auxiliary means.
In view of the foregoing, there is a need to provide a more efficient fire suppression system and method for high-rise buildings that addresses the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire extinguishing system of high-rise building for solve the technical problem that the fire control of present high-rise building is put out a fire difficultly, realize the whole set of equipment of incessant putting out a fire based on mooring unmanned aerial vehicle, mooring unmanned aerial vehicle system is through power supply and signal cable connection aerial mooring unmanned aerial vehicle and ground support equipment, last power supply to unmanned aerial vehicle, thus improve the continuation of the journey of unmanned aerial vehicle; the complete equipment for ceaselessly extinguishing the fire of the mooring unmanned aerial vehicle continuously provides power, fire extinguishing agents and control signals for the mooring unmanned aerial vehicle in the air through a ground support system and an air conveying system, and can quickly ascend, be flexibly deployed, be conveniently operated, hover at high altitude for a long time and ceaselessly extinguish fire; the tethered unmanned aerial vehicle can realize long-time uninterrupted hovering, is simple to operate, can automatically take off and land and hover autonomously by one key, and can ensure that the fire extinguishing agent sprayed by the spray gun can be accurately aligned to a fire point or aligned to the fire point through a quick adjustment system; the auxiliary means that unmanned aerial vehicle carried the roof is more convenient.
The utility model discloses an aspect provides a mooring unmanned aerial vehicle system for high-rise building extinguishes, include:
the system comprises a mooring unmanned aerial vehicle, an injection system and a monitoring system; the injection system and the monitoring system are both arranged on the mooring unmanned aerial vehicle; the mooring unmanned aerial vehicle is connected with the ground through a mooring cable; the spraying system comprises a spray pipe, and the spray pipe is a telescopic spray pipe; wherein,
the mooring unmanned aerial vehicle is provided with a hovering stabilizing mechanism, and the hovering stabilizing mechanism is used for enabling the mooring unmanned aerial vehicle in operation to hover stably in the air; the hovering stabilization mechanism comprises a reverse motor and a reverse propeller which are arranged on the reverse direction of the spray pipe, the reverse motor is connected with the spray pipe, and the reverse motor is controlled to enable the spray pipe to rotate; the rotating speed of the reverse motor is in a direct proportional relation with the outlet pressure of the spray pipe, so that the recoil of the spray pipe is equal to the propelling force of the reverse propeller, and the recoil when the fire extinguishing agent is sprayed out of the spray pipe is offset.
Preferably, the spraying system further comprises a steering mechanism, one end of the spraying pipe is connected with a foam conveying system on the ground through a fire hose, and the other end of the spraying pipe is connected with the steering mechanism; wherein,
the steering mechanism comprises an upper portion and a lower portion, the upper portion and the lower portion are cylindrical, the radius of the cylindrical surface of the upper portion is larger than that of the cylindrical surface of the lower portion, the upper surface of the upper portion is a supporting plate with a plurality of through holes, the supporting plate is in threaded connection with the spray pipe, the lower portion protrudes outwards from the center of the upper portion to form a rotating shaft shape and is used for being connected with a steering motor, the steering motor is used for driving the steering mechanism to rotate and then drives the spray pipe to be finely adjusted along the left direction and the right direction, and the adjusting angle is-5 degrees.
Preferably, the mooring unmanned aerial vehicle is provided with a landing gear, and the steering mechanism is installed on the landing gear.
Preferably, the telescopic spray pipe comprises a pipe body part and a nozzle part, the pipe body part is a foldable reducing gun barrel, and the nozzle part is detachably connected with the pipe body part and used for replacing nozzles of various specifications and models according to different fire scene conditions.
Preferably, the mooring cable comprises: for the energy cable of mooring unmanned aerial vehicle system fuel feeding or electricity, mooring unmanned aerial vehicle and ground communication's communication cable and for mooring unmanned aerial vehicle provides the fire control hose of fire extinguishing agent.
Preferably, the monitoring system comprises one or more of a high-definition camera, a thermal imaging module and a positioning module, and is used for monitoring the positioning of the tethered unmanned aerial vehicle, the surrounding objects of the tethered unmanned aerial vehicle, the images of the fire scene and the temperature of the scene environment, and transmitting the images back to the ground in a pattern transmission manner.
Preferably, last level sensor, flow sensor, pressure sensor and the temperature sensor of setting of injection system for through the real time monitoring to liquid level, flow, inlet pressure, outlet pressure and temperature, acquire mooring unmanned aerial vehicle with injection system's real-time status.
The utility model also provides a fire extinguishing system for high-rise buildings, which comprises the mooring unmanned aerial vehicle system and a vehicle-mounted operation platform arranged on the ground, wherein the mooring unmanned aerial vehicle is connected with the vehicle-mounted operation platform through the mooring cable; the vehicle-mounted operation platform comprises a fire fighting vehicle, a compressed air foam system, a foam transmission and conversion system, a pipeline winding and unwinding system, a power supply and a fire extinguishing agent storage unit, wherein the compressed air foam system, the foam transmission and conversion system, the pipeline winding and unwinding system, the power supply and the fire extinguishing agent storage unit are all arranged on the fire fighting vehicle, and a cable winding and unwinding box and a water belt winding and unwinding box are arranged in the fire fighting vehicle; wherein the compressed air foam system is used to thoroughly mix water, foam and air to produce a compressed air foam; the foam transmission system is used for connecting the compressed air foam system and the injection system; the pipeline reeling and unreeling system is used for reeling and unreeling the mooring cable; the power supply is connected with the tethered unmanned aerial vehicle through a tethered cable and supplies power to the tethered unmanned aerial vehicle; the fire extinguishing agent storage unit comprises a water tank and a foam tank, and is used for continuously supplying a fire extinguishing agent to the compressed air foam system so as to realize continuous fire extinguishing of the fire extinguishing system; wherein the outer sides of the water tank and the foam tank are respectively provided with a water liquid inlet and a foam liquid inlet; the power supply comprises a diesel engine and/or a generator, and the generator is connected with the mooring cable; the diesel engine with the mooring cable links to each other or install on the mooring unmanned aerial vehicle.
Preferably, a lifting tail plate is arranged at the tail of the vehicle-mounted operation platform and used as an auxiliary means for carrying the tethered unmanned aerial vehicle to the roof of a fire fighting vehicle after a fire fighting task is finished, the lifting tail plate comprises sliding rails and a supporting plate, the lifting of the sliding rails can be automatically controlled, the sliding rails are arranged on two longitudinal upright columns at the rear side of a carriage, and one side of the supporting plate is movably connected with grooves in the two sliding rails; and one side of the supporting plate, which is vertical to one side of the supporting plate, forms a turnover structure and is connected with the bottom edge of the rear side of the carriage through a pivot.
Preferably, the vehicle-mounted operation platform is provided with a UPS system and an ATS automatic transfer switch, and the generator is used for directly switching to the UPS system to supply power to the mooring unmanned aerial vehicle through the ATS automatic transfer switch under the condition that the generator is abnormal.
The utility model provides a mooring unmanned aerial vehicle system for high-rise building extinguishes and fire extinguishing system thereof has following profitable technological effect:
(1) The utility model discloses a high-rise building fire extinguishing systems, by traditional short time fire extinguishing mode who takes jar body to go up to the air by small-size unmanned aerial vehicle, change into by the incessant mode of putting out a fire that the electrified cable of mooring unmanned aerial vehicle and hose go up to the air, have hover for a long time aerial, last incessant, the accurate characteristics of putting out a fire.
(2) The utility model discloses a high-rise building fire extinguishing systems has changed traditional spray gun into injection system with connecting, can adjust the flow of fire extinguishing agent, and among the injection system, the spray tube adopts collapsible form, saves space, can also let mooring unmanned aerial vehicle rise and begin to spray the fire extinguishing agent after near ignition, the energy saving, the environmental protection, pollution abatement.
(3) The utility model discloses a high-rise building fire extinguishing systems, the external inlet that is equipped with water pitcher and foam tank of jar, under rated flow 200L/min, can reach incessant continuity of operation through external pipeline.
(4) The utility model discloses a high-rise building fire extinguishing system and method, through the liquid level, flow, inlet pressure, outlet pressure, sensors such as temperature, can real time monitoring unmanned aerial vehicle and injection system's state, install a little motor and screw additional on the reverse direction of spray tube, through program control, make motor speed and outlet pressure become direct proportional relation, the recoil that makes the spray tube equals with the propulsive force of screw, thereby guaranteed that unmanned aerial vehicle hovers in the air steadily, accurate injection state, reach more accurate injection effect.
(5) The utility model discloses a high-rise building fire extinguishing systems disposes 200KVAUPS system and ATS automatic transfer switch in the car, can let the generator under the unusual condition of appearance, and the direct switch is to the UPS power supply, and UPS can support more than 120kw unmanned aerial vehicle normal work half hour under the condition of full electricity, very big increase factor of safety.
(6) The utility model discloses a high-rise building fire extinguishing system, the cable is equipped with in the car and receive and releases the case, through program control, when unwrapping wire gear, when the pulling force is less than 20N, not receive and release, when the pulling force is greater than 20N, carry out automatic unwrapping wire according to 3 grades (low, medium, high) speeds; when the pulling force is smaller than 20N in a wire rewinding gear, the wire is automatically rewound; when the pulling force is greater than 20N, the stretching and retracting are not performed. The time for manually winding and unwinding the cable is saved.
(7) The utility model discloses a high-rise building fire extinguishing system is equipped with the hosepipe in the car and receive and release the case, can select to fold the receipts to the hosepipe and roll up, gets rid of the air, conveniently gets to put, uses manpower sparingly.
(8) The utility model discloses a high-rise building fire extinguishing system adopts foldable reducing barrel and multiple nozzle. The spray pipe can be folded when not used, so that the space is saved; the nozzle may be adapted to different fire conditions, such as: different nozzles are selected for oil tank fire, building fire, chemical fire and the like.
(9) The utility model discloses a high-rise building fire extinguishing system and method installs steering mechanism on unmanned aerial vehicle landing gear, is connected with motor and injection system, through PLC program control, can make 2 directions regulation about the spray tube, angle regulation-5 to 5 reaches the accurate injection regulation of the small scale that just can realize without removing unmanned aerial vehicle.
Drawings
Fig. 1 is a schematic structural view of a tethered drone platform according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a vehicle-mounted work platform according to the preferred embodiment of the present invention;
fig. 3 is a structural diagram illustrating the tethered drone platform being retrieved inside the vehicle-mounted work platform according to the preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a steering mechanism according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram for controlling the steering motor according to the present invention.
Description of reference numerals:
1. mooring the unmanned aerial vehicle platform;
101. mooring the unmanned aerial vehicle;
102. an injection system; 1021. a telescopic spray pipe; 1022. a steering motor; 1023. a reverse motor; 1024, a reverse propeller;
103. a monitoring system; 1031. a high-definition camera; 1032. a thermal imaging module; 1033. a positioning module;
2. a vehicle-mounted work platform;
201. a fire-fighting vehicle;
202. a compressed air foam system;
203. a foam delivery system;
204. a pipeline deploying and retracting system; 2041. mooring the cable;
205. a power source; 2051. a diesel engine; 2052. a generator;
206. a fire extinguishing agent storage unit;
207. the tail plate is lifted.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example one
Referring to fig. 1-4, the present embodiment provides a fire extinguishing system for high-rise buildings, including a tethered drone platform 1 and a vehicle-mounted work platform 2; the tethered unmanned aerial vehicle platform 1 and the vehicle-mounted work platform 2 are connected by a tethered cable 2041. By traditional short time fire extinguishing mode who takes the jar body to go up to the air by small-size unmanned aerial vehicle, change into by the incessant mode of continuously putting out a fire that the electrified cable of mooring unmanned aerial vehicle and hose go up to the air, have hover for a long time, last incessant, the characteristics of putting out a fire accurately.
As a preferred embodiment, a hovering stabilizing mechanism is arranged on the tethered unmanned aerial vehicle platform 1, and the hovering stabilizing mechanism is controlled by a control program, so that the propelling force of the hovering stabilizing mechanism is equal to the recoil force of the injection system in the working state, and the directions of the propelling force and the recoil force are opposite, thereby ensuring that the tethered unmanned aerial vehicle is hovering stably and accurately in the air, and achieving a more accurate injection effect.
In this embodiment, the mooring cable 2041 includes: for the energy cable of mooring unmanned aerial vehicle platform fuel feeding or electricity, the communication cable of mooring unmanned aerial vehicle platform 1 and on-vehicle operation platform 2 communication and for mooring unmanned aerial vehicle platform provides the fire hose of fire extinguishing agent.
As shown in fig. 1, the tethered drone platform 1 includes a tethered drone 101, an injection system 102 and a monitoring system 103, wherein the injection system 102 and the monitoring system 103 are both installed on the tethered drone 101; the monitoring system 103 comprises one or more of a high-definition camera 1031, a thermal imaging module 1032 and a positioning module 1033, is used for monitoring the real-time situation of the fire scene, particularly for monitoring the positioning of the tethered unmanned aerial vehicle 101 and the surrounding objects, the images of the fire scene and the temperature of the scene environment of the tethered unmanned aerial vehicle 101, and is transmitted back to the vehicle-mounted operation platform 2 in a graph transmission manner, so that the adjustment and optimization of a fire extinguishing plan can be made in time; the injection system 102 includes a telescoping nozzle 1021, and the telescoping nozzle 1021 is coupled to the foam delivery system 203 via a fire hose. In order to reduce the overall weight of the pipeline and improve the transportation efficiency, the present embodiment uses a lightweight pipeline to connect the telescopic nozzle 1021 to the foam transportation system 203 through a fire hose. As a preferred embodiment, the injection system 102 further includes a liquid level sensor, a flow sensor, a pressure sensor and a temperature sensor, and the states of the tethered drone 101 and the injection system 102 are obtained through real-time monitoring of the liquid level, the flow, the inlet pressure, the outlet pressure and the temperature.
Adjust traditional spray gun and joint form into injection system, can adjust the flow of fire extinguishing agent, among the injection system, the spray tube adopts collapsible form, saves space, can also make mooring unmanned aerial vehicle rise near the ignition point after the spray extinguishing agent that begins again, the energy saving, the environmental protection, the pollution abatement.
As a preferred embodiment, the telescopic spraying pipe 1021 comprises a pipe body part and a nozzle part, the pipe body part adopts a folding reducing gun barrel, and the spraying pipe can be folded when not used, so that space is saved; the nozzle part is detachably connected with the pipe body part and used for replacing various nozzles according to different fire scene conditions, wherein the different fire scene conditions comprise oil tank fire, building fire or chemical fire and the like, and different nozzles are selected and used and comprise thin openings, wide openings, flat openings and the like.
As shown in fig. 2, the vehicle-mounted work platform 2 comprises a fire-fighting vehicle 201, a compressed air foam system 202, a foam transferring system 203, a pipeline collecting and releasing system 204, a power supply 205 and a fire extinguishing agent storage unit 206, wherein the compressed air foam system 202, the foam transferring system 203, the pipeline collecting and releasing system 204, the power supply 205 and the fire extinguishing agent storage unit 206 are all mounted on the fire-fighting vehicle 201; wherein the compressed air foam system 202 is configured to thoroughly mix water, foam, and air to produce a compressed air foam; the foam delivery system 203 is used for connecting the compressed air foam system 202 and the injection system 102; the pipeline reeling and unreeling system 204 is used for reeling and unreeling the mooring cable; the power supply 205 is connected with the tethered drone 101 through a tethered cable and supplies power to the tethered drone 101; the fire suppressant storage unit 206 comprises a water tank and a foam tank, and the fire suppressant storage unit 206 is used for the compressed air foam system 202 to continuously provide fire suppressant. In the embodiment, the water inlet and the foam inlet are respectively arranged on the outer sides of the water tank and the foam tank, and uninterrupted continuous fire fighting operation can be achieved through an external pipeline under the rated flow of 200L/min.
In a preferred embodiment, the power source 205 comprises a diesel engine and/or a generator, which is connected to the mooring cable; the diesel engine with the mooring cable links to each other or install on mooring unmanned aerial vehicle 101. To powerful captive unmanned aerial vehicle, can adopt diesel engine as the energy source, to the captive unmanned aerial vehicle of miniwatt, can adopt the electric energy as the energy source, to the captive unmanned aerial vehicle of medium power, can adopt the mode of oil-electricity hybrid as the energy source.
As a preferred embodiment, referring to fig. 3, the hover stabilization mechanism includes a reverse motor 1023 and a reverse propeller 1024 disposed in a reverse direction of the telescopic nozzle 1021, the reverse motor 1023 is connected to the telescopic nozzle 1021, and the rotation speed of the reverse motor 1023 is controlled by a PLC program; make reverse motor 1023's rotational speed with the export pressure of flexible spray tube 1021 becomes direct proportion relation, thereby makes the recoil of flexible spray tube 1021 with the propulsive force of reverse screw 1024 equals for offset the recoil when flexible spray tube 1021 spouts the fire extinguishing agent, keep staying unmanned aerial vehicle platform 1 steady, guarantee that staying unmanned aerial vehicle stably hovers in the air, accurate injection state, reach more accurate injection effect.
In particular, in the case of slurries with a universal precision ratio
The calculation formula of the propulsive force of the reverse propeller is L = DxPx W x n 2 x P x Φ ；
Wherein, L represents the propulsive force of the reverse propeller, and the unit is kilogram or gram; d represents a diameter in m or cm; p represents the pitch in m or cm; w represents the pulp width in m or cm; n represents the rotation speed in revolutions per second; p represents 1 atmosphere; Φ represents an empirical coefficient, with this example taken to be 0.25 or 0.00025;
for example, 100x50 pulp with a maximum width of about 10 and used by a power parachute at a rotating speed of 3000 rpm and 1 min for 50 rpm/sec can be calculated to obtain 100x50x10x502x1x0.00025=31.25 kg. If the speed of rotation reaches 6000 rpm, the propulsion of the reverse propeller is equal to 100x50x10x1002x1x0.00025=125 kg.
The recoil calculation formula of the telescopic nozzle is F = dm (Ve) + (Pe-Po) Ae
Wherein F is recoil of the telescopic spray pipe, and the unit is kilogram or gram; dm is the gas flow m of the outlet of the telescopic spray pipe 3 In/s or cm 3 S; ve is the average speed of the airflow at the outlet of the telescopic spray pipe, and the unit is m/s or cm/s; ae is the area of the outlet of the telescopic spray pipe, and the unit is m 2 Or cm 2 (ii) a Pe is the pressure of the outlet section of the telescopic spray pipe, and the unit is N; po is ambient pressure in multiples of atmospheric pressure.
In a preferred embodiment, the tethered drone 101 comprises a landing gear (not shown in the figures), on which a steering mechanism 3 is mounted, and with reference to fig. 4, the steering mechanism 3 comprises an upper portion 31 and a lower portion 32, both of which are cylindrical, and the radius of the cylindrical surface of the upper portion is greater than that of the cylindrical surface of the lower portion, the upper surface of the upper portion is a support plate with a plurality of through holes, and is in threaded connection with the telescopic nozzle 1021 through the support plate, and the lower portion protrudes outwards from the center of the upper portion to form a rotating shaft shape for connecting the steering motor 1022, so that the steering motor 1022 and the injection system 102 are connected through the steering mechanism; can be right through as fig. 5 structure schematic diagram turn to motor 1022 control, drive injection system 102's flexible spray tube 1021 can be adjusted along controlling two directions, and the angle scope of regulation is-5 to make and need not to remove the accurate injection of mooring unmanned aerial vehicle and adjust of minizone just can be realized, thereby reduce the control degree of difficulty and energy resource consumption.
In a preferred embodiment, a lifting tail plate 207 is arranged at the tail of the vehicle-mounted working platform, and as an auxiliary means for transporting the tethered unmanned aerial vehicle to the roof of the fire-fighting vehicle 201 after the fire-fighting task is finished, the lifting tail plate 207 comprises slide rails and a support plate, wherein the slide rails can be automatically controlled to lift, the slide rails are arranged on two longitudinal columns at the rear side of a carriage, and one edge of the support plate is movably connected with grooves in the two slide rails. And one side of the supporting plate, which is vertical to one side of the supporting plate, forms a turnover structure and is connected with the bottom edge of the rear side of the carriage through a pivot.
In a preferred embodiment, the vehicle-mounted work platform is provided with a UPS system and an ATS automatic transfer switch, and is configured to directly switch to the UPS system through the ATS automatic transfer switch to supply power to the tethered drone 101 when the generator is abnormal. In this embodiment, UPS is 200KVA, can support 120kw unmanned aerial vehicle normal work more than half an hour under the condition of full electricity, very big increase factor of safety.
As a preferred embodiment, a cable reel box is arranged in the fire fighting vehicle and is used for reeling and unreeling the mooring cable 2041 under program control, so that the time for manually reeling and unreeling the cable is saved.
Specifically, when the pulling force is less than 20N, the pay-off gear is not folded and unfolded, and when the pulling force is greater than 20N, automatic pay-off is carried out according to 3-gear low, medium and high speeds; in a take-up gear, when the pulling force is less than 20N, the wire is automatically taken up; when the pulling force is greater than 20N, the steel wire rope is not retracted.
As a preferred embodiment, a water hose storage box is arranged in the fire fighting vehicle, is not shown in the figure, is connected with the water tank, and is used for selectively folding and rolling the water hose to remove air, so that the water hose is convenient to take and place, and the labor is saved.
The working principle and the fire extinguishing method of the fire extinguishing system for the high-rise building comprise the following steps:
s1, preparation control before fire fighting comprises the following steps: selecting nozzles according to different fire scene conditions and installing the nozzles on the spraying system; the installation tightness, firmness and safety of the captive cable 2041 are checked;
s2, control in the fire-fighting process comprises:
s21, after the tethered drone 101 is started, positioning is performed by the positioning module 1033;
s22, the monitoring system 103 monitors the objects around the tethered drone 101, the images of the fire scene, and the temperature of the scene environment through the high definition camera 1031 and the thermal imaging module 1032;
s23, the vehicle-mounted operation platform 2 receives the positioning and the objects around the tethered unmanned aerial vehicle 101, the scene of the fire and the scene environment temperature, formulates a fire extinguishing scheme based on the positioning and the objects around the tethered unmanned aerial vehicle 101, the scene of the fire and the scene environment temperature, and sends parameters corresponding to the fire extinguishing scheme to the tethered unmanned aerial vehicle platform 1, wherein the parameters comprise the rotating speed of the tethered unmanned aerial vehicle 101, the rotating speed of the steering motor and the parameters of the foam transmission system 203;
s24, fire extinguishing is carried out, in the fire extinguishing process, the power supply 205 provides power for the tethered unmanned aerial vehicle 101 through the tethered cable 2041, and the foam transmission system transmits compressed air foam to the tethered unmanned aerial vehicle 101 flying at high altitude through the tethered cable 2041; the hovering stabilizing mechanism is controlled by a control program, so that the tethered unmanned aerial vehicle 101 can stably hover in the air; the steering mechanism adjusts the telescopic spray pipe to move left and right for a certain angle, and small-range accurate spraying is carried out.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A mooring unmanned aerial vehicle system for fire extinguishing of high-rise buildings, characterized by comprising:
a captive drone (101), an injection system (102) and a monitoring system (103); the injection system (102) and the monitoring system (103) are both mounted on the tethered drone (101); the mooring unmanned aerial vehicle (101) is connected with the ground through a mooring cable (2041); the spray system (102) comprises a spray tube (1021), the spray tube (1021) being a telescopic spray tube; wherein,
a hovering stabilizing mechanism is arranged on the tethered unmanned aerial vehicle (101) and used for enabling the tethered unmanned aerial vehicle (101) in operation to hover stably in the air; the hovering stabilization mechanism comprises a reverse motor (1023) and a reverse propeller (1024) arranged in a reverse direction of the nozzle (1021), the reverse motor (1023) is connected with the nozzle (1021), and the reverse motor (1023) is controlled to rotate the nozzle (1021); wherein the rotating speed of the reverse motor (1023) is in direct proportion to the outlet pressure of the spray pipe (1021), so that the recoil of the spray pipe (1021) is equal to the propelling force of the reverse propeller (1024) to counteract the recoil of the spray pipe (1021) when the fire extinguishing agent is sprayed out.
2. The tethered drone system for fire suppression in high-rise buildings according to claim 1, wherein the spraying system (102) further comprises a steering mechanism, one end of the spray pipe (1021) is connected to the foam transfer system (203) on the ground through a fire hose, and the other end of the spray pipe (1021) is connected to the steering mechanism; wherein,
the steering mechanism comprises an upper portion and a lower portion, the upper portion and the lower portion are both cylindrical, the radius of the cylindrical surface of the upper portion is larger than that of the cylindrical surface of the lower portion, the upper surface of the upper portion is a supporting plate with a plurality of through holes, the supporting plate is in threaded connection with the spray pipe (1021) through the supporting plate, the lower portion protrudes outwards from the center of the upper portion to form a rotary shaft shape and is used for being connected with a steering motor (1022), and the steering motor (1022) is used for driving the steering mechanism to rotate and then driving the spray pipe (1021) to be finely adjusted along the left direction and the right direction.
3. A tethered drone system for fire suppression in high-rise buildings according to claim 2, characterised in that the tethered drone (101) is provided with a landing gear on which the steering mechanism is mounted.
4. The tethered drone system for fire suppression in high-rise buildings according to claim 1, wherein the telescoping lance comprises a barrel portion and a nozzle portion, the barrel portion being a collapsible reducing barrel, the nozzle portion being removably connected to the barrel portion.
5. A tethered drone system for fire suppression in high-rise buildings according to claim 1, characterized in that the tethered cable (2041) comprises: an energy cable for supplying oil or electricity to the tethered unmanned aerial vehicle system, a communication cable for communicating the tethered unmanned aerial vehicle (101) with the ground, and a fire hose for providing a fire extinguishing agent to the tethered unmanned aerial vehicle (101).
6. A tethered drone system for fire suppression in high-rise buildings according to claim 1, characterized in that the monitoring system (103) comprises one or more of high-definition cameras (1031), thermal imaging module (1032) and positioning module (1033).
7. The tethered drone system for fire suppression in high-rise buildings according to claim 1, characterized in that level, flow, pressure and temperature sensors are provided on the injection system (102).
8. A fire extinguishing system for high-rise buildings, comprising a tethered drone system according to any of claims 1 to 7, further comprising an onboard work platform (2) placed on the ground, the tethered drone (101) being connected to the onboard work platform (2) by means of the tethered cable (2041); the vehicle-mounted operation platform (2) comprises a fire fighting vehicle (201), a compressed air foam system (202), a foam transmission and conversion system (203), a pipeline winding and unwinding system (204), a power supply (205) and a fire extinguishing agent storage unit (206), wherein the compressed air foam system (202), the foam transmission and conversion system (203), the pipeline winding and unwinding system (204), the power supply (205) and the fire extinguishing agent storage unit (206) are all installed on the fire fighting vehicle (201), and a cable winding and unwinding box and a water belt winding and unwinding box are arranged in the fire fighting vehicle; wherein the compressed air foam system (202) is configured to thoroughly mix water, foam, and air to produce a compressed air foam; the foam delivery system (203) is used for connecting the compressed air foam system (202) and the injection system (102); the pipeline reeling and unreeling system (204) is used for reeling and unreeling the mooring cable (2041); the power supply (205) is connected with the tethered unmanned aerial vehicle (101) through a tethered cable and provides power for the tethered unmanned aerial vehicle (101); the fire extinguishing agent storage unit (206) comprises a water tank and a foam tank, the fire extinguishing agent storage unit (206) being adapted for continuous supply of fire extinguishing agent to the compressed air foam system (202); wherein the outer sides of the water tank and the foam tank are respectively provided with a water liquid inlet and a foam liquid inlet; the power source (205) comprises a diesel engine and/or a generator connected to the mooring cable (2041); the diesel engine is connected with the mooring cable (2041) or is installed on the mooring unmanned aerial vehicle (101).
9. The fire extinguishing system for the high-rise building according to claim 8, wherein a lifting tail plate (207) is arranged at the tail part of the vehicle-mounted work platform (2), the lifting tail plate (207) comprises sliding rails and a supporting plate, the sliding rails can be automatically controlled to lift, the sliding rails are arranged on two longitudinal columns at the rear side of a carriage, and one edge of the supporting plate is movably connected with grooves in the two sliding rails; and one side of the supporting plate, which is vertical to one side of the supporting plate, forms a turnover structure and is connected with the bottom edge of the rear side of the carriage through a pivot.
10. The fire suppression system for high-rise buildings according to claim 8, wherein the vehicle-mounted work platform is provided with a UPS system and an ATS automatic transfer switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222537976.5U CN217854231U (en) | 2022-09-26 | 2022-09-26 | A mooring unmanned aerial vehicle system for high-rise building is put out a fire and fire extinguishing systems thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222537976.5U CN217854231U (en) | 2022-09-26 | 2022-09-26 | A mooring unmanned aerial vehicle system for high-rise building is put out a fire and fire extinguishing systems thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414612A (en) * | 2022-09-30 | 2022-12-02 | 新兴际华集团有限公司 | Fire extinguishing system and method for high-rise building |
| CN117180669A (en) * | 2023-09-11 | 2023-12-08 | 湖北博利特种汽车装备股份有限公司 | Mooring fire-extinguishing unmanned aerial vehicle fire engine with self-protection mechanism |
-
2022
- 2022-09-26 CN CN202222537976.5U patent/CN217854231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414612A (en) * | 2022-09-30 | 2022-12-02 | 新兴际华集团有限公司 | Fire extinguishing system and method for high-rise building |
| CN117180669A (en) * | 2023-09-11 | 2023-12-08 | 湖北博利特种汽车装备股份有限公司 | Mooring fire-extinguishing unmanned aerial vehicle fire engine with self-protection mechanism |
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