CN115869568A - Reusable non-explosive fire extinguishing bomb and fire extinguishing system - Google Patents
Reusable non-explosive fire extinguishing bomb and fire extinguishing system Download PDFInfo
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- CN115869568A CN115869568A CN202310055821.4A CN202310055821A CN115869568A CN 115869568 A CN115869568 A CN 115869568A CN 202310055821 A CN202310055821 A CN 202310055821A CN 115869568 A CN115869568 A CN 115869568A
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Abstract
The invention provides a reusable non-explosive fire extinguishing bomb and a fire extinguishing system, and belongs to the technical field of emergency technical research. The reusable non-explosive fire extinguishing bomb comprises a bomb body, a bomb head and a firing pin, wherein an air storage chamber for storing fire extinguishing medium and an annular fluid cavity arranged in the circumferential wall of the bomb body are arranged in the bomb body, the annular fluid cavity is communicated with the air storage chamber through a first channel, the firing pin is inserted into the air storage chamber from the front end of the bomb head to plug the first channel, and the firing pin is arranged to open the first channel when moving towards the inside of the bomb body; the tail end of the air storage chamber is provided with a spring body and a plunger, and the spring body is used for providing pressure for the fire extinguishing gas to be discharged from the air storage chamber through the annular fluid cavity after the first channel or/and the second channel is/are opened. The invention has the advantages of adjustable range, non-explosive type, directional quick spraying function and reusability.
Description
Technical Field
The invention relates to the technical field of emergency technical research, in particular to a reusable non-explosive fire extinguishing bomb and a fire extinguishing system.
Background
As a new fire extinguishing means, the forest fire extinguishing bomb is gradually accepted by all countries in the world due to the advantages of safety, high efficiency and the like, and becomes mainstream forest fire extinguishing equipment at present.
The fire type is different, and the fire extinguishing mode and means are also different. Existing fire extinguishing modes can be divided into contact type fire extinguishing and non-contact type fire extinguishing, such as: the direct use of fire extinguishers to enter a fire scene is a contact type fire extinguishing, while the use of fire extinguishing devices thrown into a fire scene by remote projection is a non-contact type fire extinguishing. At present, most forest fire extinguishing bombs release fire extinguishing agents by adopting a military bomb technology, namely, powder is filled in a bomb body, the bomb body is detonated after being launched to a fire scene, and the fire extinguishing agents are thrown into the fire scene to extinguish fire. The fire extinguishing bomb can form spherical powder cloud after explosion, is influenced by fire scene air flow, and cannot be completely sprayed to a fire source, so that the fire extinguishing efficiency of the fire extinguishing bomb is low, and meanwhile, the bomb body is a disposable consumable and cannot meet the environmental protection and economic principles proposed by the state at present.
The fire extinguishing bomb is launched mainly in two modes, namely a military mortar throwing mode and an aerial throwing mode by an aircraft. The effective throwing distance of the throwing mode is small, the characteristic that the forest fire and fire scene spread quickly cannot be dealt with, and the safety cannot be guaranteed. The air throwing mode is limited by factors such as cost, system and the like, and an effective system cannot be formed;
meanwhile, the existing fire extinguishing bomb mostly adopts a self-explosion type, although the existing fire extinguishing bomb has a certain fire extinguishing effect, the existing fire extinguishing bomb adopts a pipe explosion mode to explode in the bomb body, namely a flame detonator and a pipe explosion are arranged in the bomb body, the flame detonator is used for igniting explosive or black powder in the pipe explosion, so that the bomb body is exploded, the fire extinguishing agent is spread to a fire ignition part to realize fire extinguishing, the explosive or the black powder has strong explosion impact force, and the fire extinguishing bomb has double fire extinguishing effects of explosion shock waves and the fire extinguishing agent. But has great potential danger and high danger coefficient while having strong blasting capacity.
In view of the lack of fire-retardant capability of dry powder and foam bombs themselves, the extinguished combustibles are also ignited again. Therefore, how to select the fire extinguishing agent of the fire extinguishing bomb and ensure the uniform spraying becomes the key for solving the problem. The conventional common dry powder extinguishing agent is affected by air flow in a fire scene, is often sprayed unevenly and cannot effectively cover a fire source, and the colloidal foam extinguishing agent is difficult to generate enough colloidal substances and gas required by foam due to the precipitation of water-insoluble substances, so that the extinguishing capability is poor.
Disclosure of Invention
In order to solve the technical problem, the invention provides a reusable non-explosive fire extinguishing bomb and a fire extinguishing system.
The technical scheme of the invention is realized as follows:
the invention provides a reusable non-explosive fire extinguishing bomb, which comprises a bomb body, a bomb head and a firing pin, wherein a gas storage chamber for storing fire extinguishing medium and an annular fluid cavity arranged in the circumferential wall of the bomb body are arranged in the bomb body, the annular fluid cavity is communicated with the gas storage chamber through a first channel, the firing pin is inserted into the gas storage chamber from the front end of the bomb head to block the first channel, and the firing pin is arranged to open the first channel when moving into the bomb body;
a second channel for communicating the air storage chamber with the annular fluid cavity is arranged in the bullet, an electromagnetic valve for controlling the opening/closing of the second channel is arranged in the second channel, a charging timer electrically connected with the electromagnetic valve is arranged in the bullet, and the charging timer is used for controlling the action of the electromagnetic valve to open the second channel;
the tail end of the air storage chamber is provided with a spring body and a plunger, and the spring body is used for providing pressure for fire extinguishing medium to be discharged from the air storage chamber through the annular fluid cavity after the first channel or/and the second channel is opened.
Further, a buffer layer is arranged between the front end of the warhead and the front end of the firing pin and used for protecting the warhead when the firing pin displaces backwards.
Furthermore, a third channel communicated with the air storage chamber is arranged in the bullet, a safety valve is arranged in the third channel, and an output pipeline of the safety valve is communicated with the annular fluid cavity.
Furthermore, the projectile body is arranged to be of a sleeve-shaped structure with a heat insulation layer, and the projectile body is evenly provided with a jet orifice communicated with the annular fluid cavity.
Further, the fire extinguishing medium is high-pressure liquid CO 2 Or CO in supercritical state 2 Or liquid nitrogen.
Further, when the fire extinguishing medium is liquid nitrogen, a one-way valve for injecting the liquid nitrogen is arranged in the bullet.
A second aspect of the present invention provides a fire extinguishing system using the above reusable non-explosive fire extinguishing bomb, comprising:
a launching system for launching the reusable non-explosive fire extinguishing bomb;
a control system for controlling the accurate firing of the reusable non-explosive cartridge;
and the storage and transportation device is arranged on the carrier and is used for storing and loading the reusable non-explosive fire extinguishing bomb.
Furthermore, the launching system comprises a chassis which is arranged on the carrying tool and can rotate and be positioned in a 360-degree horizontal plane, a combined launching frame with a hydraulic rod, one end of which is connected with a hinge on the chassis, C-shaped guide rails which are symmetrically arranged on two sides of the upper surface of the combined launching frame with the hydraulic rod, a semicircular wheel type energy-assisting component which can be arranged between the two C-shaped guide rails in a movable mode, a limiting stopper which is arranged at the front ends of the two C-shaped guide rails, a baffle which is arranged at the tail end of the semicircular wheel type energy-assisting component, a generator which is arranged on the carrying tool, an energy storage power supply and an energy collector, wherein the bottom end of the hydraulic rod is connected to the hinge on the chassis, and the top end of the hydraulic rod is connected to the hinge at the bottom of the combined launching frame with the hydraulic rod.
Further, control system includes industrial computer, target locater, position finder, launching cradle angle control appearance and energy output controller, wherein, the industrial computer is connected with target locater, position finder, launching cradle angle control appearance, energy output controller and charging timer electricity.
Further, the storage and transportation device comprises an ammunition box and a mechanical arm which are fixed on the carrier; when the fire extinguishing medium is liquid nitrogen, the storage and transportation device further comprises a liquid nitrogen storage tank and a liquid nitrogen injection pump which are fixed on the carrier; wherein:
the input end of the mechanical arm is electrically connected with the control system, and the mechanical arm can move between the ammunition box and the combined launching cradle with the hydraulic rod and is used for ammunition filling.
The invention has the following beneficial effects:
1. compared with the traditional non-recycling fire extinguishing bomb technology, the system realizes the recycling and secondary filling of the bomb body after each use, greatly reduces the use cost of equipment and reduces the damage to the environment.
2. Compared with the traditional technology of detonating the fire extinguishing bomb by a detonator, the reusable non-explosive fire extinguishing bomb provided by the invention has the advantages of higher storage, transfer and emission safety, wider applicable environment and application range and more convenient and faster use because the system does not need to be detonated by gunpowder.
3. The reusable non-explosive fire extinguishing bomb provided by the invention adopts a firing pin and countdown double-switch mode, and compared with the traditional fire extinguishing bomb technology, the release success rate is higher.
4. The reusable non-explosive fire extinguishing bomb provided by the invention adopts a side wall jet orifice design, and compared with the traditional fire extinguishing bomb technology, the system sprays high-pressure liquid CO through the jet orifice 2 Or CO in supercritical state 2 Or the liquid nitrogen is used for positioning and energy concentration, so that high-pressure liquid CO can be obtained 2 Or CO in supercritical state 2 Or the liquid nitrogen is sprayed out for a longer distance, so that the single body fire extinguishing range is enlarged, and the fire extinguishing efficiency is further improved.
5. Compared with the traditional fire extinguishing bomb launching technology, the fire extinguishing system provided by the invention has the characteristics of being far away from a fire scene, freely adjustable in range, free from environmental limitations such as mountains and rivers and the like, and safe, reliable and accurate in projection.
6. The present invention providesThe fire extinguishing system adopts high-pressure liquid CO 2 Or CO in supercritical state 2 Or liquid nitrogen, with CO produced by conventional dry powders, chemical synthesis or chemical reaction 2 Compared with fire extinguishing bomb, the fire extinguishing system provided by the invention realizes CO 2 Non-combustion supporting and high specific gravity isolated O 2 On the other hand, high-pressure liquid CO 2 Or CO in supercritical state 2 Or in the liquid nitrogen pressure relief injection process, a large amount of heat needs to be absorbed, the temperature of the surrounding environment of the projectile body can be effectively reduced, the projectile body is protected, meanwhile, the fire extinguishing effect is improved, and secondary reburning can be effectively prevented.
Drawings
FIG. 1 shows that the fire extinguishing medium of the present invention adopts high-pressure liquid CO 2 Or CO in supercritical state 2 A schematic view of a fire suppression system;
FIG. 2 shows that the fire extinguishing medium of the present invention adopts high-pressure liquid CO 2 Or CO in supercritical state 2 A schematic illustration of a reusable non-explosive fire-extinguishing bomb;
FIG. 3 shows that the fire extinguishing medium of the present invention adopts high-pressure liquid CO 2 Or CO in supercritical state 2 A top view of the warhead of the reusable non-explosive fire extinguishing bomb;
FIG. 4 is a schematic view of a fire suppression system using liquid nitrogen as the fire extinguishing medium of the present invention;
FIG. 5 is a schematic illustration of a reusable non-explosive fire extinguishing bomb with liquid nitrogen as the fire extinguishing medium of the present invention;
FIG. 6 is a top view of the warhead of a reusable non-explosive fire extinguishing bomb using liquid nitrogen as the fire extinguishing medium of the present invention;
FIG. 7 is a schematic view of a C-shaped rail of the fire suppression system of the present invention;
figure 8 is a cross-sectional view of a semi-circular wheel-type energy assist member of the fire suppression system of the present invention.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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. 2, 3, 5 and 6, a first aspect of the present invention provides a reusable non-explosive fire extinguishing bomb 1 including a bomb body 1-7, a head and a firing pin 1-12.
An air storage chamber 1-1 used for storing fire extinguishing medium is arranged in the bullet body 1-7, an annular fluid chamber 1-6 is arranged in the circumferential wall of the bullet body 1-7, the annular fluid chamber 1-6 is communicated with the air storage chamber 1-1 through a first channel, a firing pin 1-12 is inserted into the air storage chamber 1-1 from the front end of the bullet head to plug the first channel, and the firing pin 1-12 is arranged to open the first channel when moving towards the inside of the bullet body 1-7.
At this time, when the striker 1-12 of the reusable non-explosive fire extinguishing bomb 1 hits the ground or building of the fire area and is displaced into the bomb body 1-7, the first passage is opened, so that the fire extinguishing medium in the air storage chamber 1-1 is discharged after passing through the annular fluid chamber 1-6, thereby achieving the fire extinguishing function.
A second channel used for communicating the air storage chamber 1-1 with the annular fluid cavity 1-6 is arranged in the bullet, an electromagnetic valve 1-11 used for controlling the opening/closing of the first channel is arranged in the second channel, a charging timer 1-10 electrically connected with the electromagnetic valve 1-11 is arranged in the bullet, and the charging timer 1-10 is used for controlling the electromagnetic valve 1-11 to act to open the second channel.
At this time, the solenoid valve 1-11 closes the second passage in the initial state, and after the reusable non-explosive fire extinguishing bomb 1 is launched into a fire area, a signal is provided to the solenoid valve 1-11 through the charging timer 1-10, so that the solenoid valve 1-11 operates and opens the second passage, and at this time, the fire extinguishing medium in the gas storage chamber 1-1 is discharged from the second passage through the annular fluid chamber 1-6 to achieve a fire extinguishing function.
Therefore, the charging timer 1-10, the electromagnetic valve 1-11 and the second channel are matched with the firing pin 1-12 and the first channel, so that the reusable non-explosive fire extinguishing bomb 1 has two fire extinguishing starting modes, and particularly after being launched, if the striking of the firing pin 1-12 cannot effectively trigger fire extinguishing, the charging timer 1-10 and the electromagnetic valve 1-11 can be used as a compensation means to ensure the realization of fire extinguishing kinetic energy.
Wherein, the tail end of the air storage chamber 1-1 is provided with a spring body 1-2 and a plunger 1-3, and the spring body 1-2 is used for providing pressure for the fire extinguishing medium to be discharged from the air storage chamber 1-1 after passing through the annular fluid chamber 1-6 after the first channel or/and the second channel is opened. Specifically, one end of the spring body 1-2 is connected to the tail end face of the air storage chamber 1-1, and the other end of the spring body 1-2 is connected to the tail end face of the plunger 1-3. The side surface of the plunger 1-3 is contacted with the side wall surface of the air storage chamber 1-1 and is in dynamic sealing connection through a double sealing ring.
In the process of releasing the fire extinguishing medium by the reusable non-explosive fire extinguishing bomb 1, when the pressure is lower than a threshold value (0.2 MPa), the spring body 1-2 pushes the plunger 1-3 to move forwards, so that the fire extinguishing medium in the air storage chamber 1-1 is released efficiently, quickly and completely. In addition, in the embodiment of the invention, the bullet comprises a housing 1-13, a threaded top cover 1-4 and a top cover sleeve 1-5, the bullet body 1-7 is arranged in a sleeve-shaped structure with a heat insulation layer, and the bullet body 1-7 is uniformly provided with jet ports 1-9 communicated with the annular fluid cavities 1-6.
The top cover 1-4 is in threaded sealing connection with the front end of the projectile body 1-7 corresponding to the part 1-1 of the air storage chamber, the first channel is a cross-shaped through hole formed in the round part of the top cover 1-4, the cross-shaped through hole is in threaded connection with the top end of the hole cavity along the axial direction of the projectile body 1-7, and the bottom end of the hole cavity is communicated with the air storage chamber 1-1. The tail end of the firing pin 1-12 penetrates through the top cover sleeve 1-5 and then is connected with a hole cavity of the cross-shaped through hole along the axis direction of the projectile body 1-7, and the firing pin 1-12 is in dynamic sealing connection with the inner wall of the top cover sleeve through a sealing ring. The front end of the firing pin 1-12 is positioned outside the outer cover 1-13, a buffer layer 1-14 is arranged between the front end of the firing pin 1-12 and the front end of the warhead, the buffer layer 1-14 is used for realizing contact connection between the top end of the firing pin 1-12 and the outer cover 1-13, and in the movement process of the firing pin 1-12, the buffer layer 1-14 plays a role in buffering, so that the firing pin 1-12 is prevented from directly colliding with the outer cover 1-13 to cause damage, and the effect of repeated use is achieved.
Specifically, when the reusable non-explosive fire extinguishing bomb 1 is ejected to a target position, the firing pin 1-12 contacts the target first and forms impact kinetic energy to push the firing pin 1-12 to move towards the air storage chamber 1-1, and then the cross-shaped connecting through hole between the firing pin and the top cover 1-4 is opened, so that fire extinguishing medium in the air storage chamber 1-1 is communicated with the annular fluid chamber 1-6, and the fire extinguishing medium is released while absorbing heat, thereby achieving the function of extinguishing fire.
The outer cover 1-13 is in threaded connection with the projectile body 1-7, and the annular fluid cavity 1-6 is formed between the inner wall of the projectile body 1-7 and the outer wall of the air storage chamber 1-1. And the tail end of the outer wall of the projectile body 1-7 is provided with a triangular tail wing 1-8. Specifically, the surface of the projectile body 1-7 is provided with a screw, and the triangular empennage 1-8 is installed on the projectile body 1-7 through screw connection of the screw. The triangular empennage 1-8 is used for keeping the stability of the reusable non-explosive fire extinguishing bomb 1 in the movement process after being ejected and ensuring that the reusable non-explosive fire extinguishing bomb 1 firstly contacts a target by the firing pins 1-12 to form impact kinetic energy after reaching the target. The outer side ends of the jet ports 1-9 penetrate through the outer walls of the projectile bodies 1-7, so that the jet ports 1-9 are communicated with the outside and the annular fluid cavities 1-6.
At the moment, when the fire extinguishing medium is released, the fire extinguishing medium firstly enters the annular fluid cavities 1-6 through the first channel or/and the second channel and then is directionally sprayed out through the spraying ports 1-9, so that the directional and rapid fire extinguishing effect is achieved, and the heat insulation coating is arranged between the outer wall surfaces of the projectile bodies 1-7 and is mainly used for preventing the high temperature generated by the friction between the outer wall and the air of the reusable non-explosive fire extinguishing projectile 1 in the high-speed movement process from influencing the storage of the fire extinguishing medium in the gas storage chamber 1-1.
Wherein, a third channel communicated with the air storage chamber 1-1 is arranged in the bullet, a safety valve 1-15 is arranged in the third channel, and an output pipeline of the safety valve 1-15 is communicated with the annular fluid chamber 1-6.
Specifically, the second channel is a T-shaped through hole arranged in the bullet head, the second channel comprises a first end, a second end and a third end, the first end is communicated with the air storage chamber 1-1, the second end is communicated with the annular fluid chamber 1-6, and the third end is connected with the electromagnetic valve 1-11. At the moment, the switch port of the electromagnetic valve 1-11 is hermetically connected with the third end of the second channel, and the needle port of the electromagnetic valve 1-11 can pass through or exit the junction of the three ends in the second channel through the movement of a needle valve, so that the closing and the release of the fire extinguishing medium in the air storage chamber 1-1 are realized. The third channel is a through hole arranged in the bullet, the first end of the third channel is communicated with the air storage chamber 1-1, the second end of the third channel is connected with the input end of the safety valve 1-15, and the output end of the safety valve 1-15 is communicated with the annular fluid chamber 1-6 through a pipeline.
Referring again to FIGS. 2 and 3, in one embodiment of the present invention, the extinguishing medium is high pressure liquid CO 2 Or CO in supercritical state 2 。
Referring again to fig. 5 and 6, in another embodiment of the present invention, the fire-extinguishing medium is liquid nitrogen.
At this time, the warhead is internally provided with check valves 1 to 16 for injecting liquid nitrogen. Specifically, in the present embodiment, the second end of the third channel is connected to the input end of the safety valve 1-15 through a tee, and the other end of the tee is connected to the check valve 1-16 through a pipeline in a sealing manner.
Referring to fig. 1, 4, 7 and 8, a second aspect of the present invention provides a fire extinguishing system for launching the above-mentioned reusable non-explosive fire extinguishing bomb 1, which mainly comprises a launching system, a control system, a storage and transportation device and a vehicle 5.
The launching system is used for launching the reusable non-explosive fire extinguishing bomb 1 and mainly comprises a chassis 2-1 which is arranged on a carrier 5 and can rotate in 360 degrees on the horizontal plane, a combined launching frame 2-2 with a hydraulic rod and one end of which is connected with a hinge on the chassis 2-1, C-shaped guide rails 2-6 which are symmetrically arranged on two sides of the upper surface of the combined launching frame 2-2 with the hydraulic rod, a semicircular wheel type energy-assisting component 2-7 which is arranged between the two C-shaped guide rails 2-6 in a displaceable manner, a limiting stopper 2-8 arranged at the front ends of the two C-shaped guide rails 2-6, a baffle 2-9 arranged at the tail end of the semicircular wheel type energy-assisting component 2-7, a generator 2-4 arranged on the carrier 5, an energy storage power supply 2-3 and an energy collector 2-5, wherein the bottom end of the hydraulic rod is connected to the hinge on the chassis 2-1, and the top end of the hydraulic rod is connected to the hinge at the bottom of the combined launching frame 2-2 with the hydraulic rod.
Wherein, the semi-circular wheel type energy-assisted member 2-7 is made of all-steel electricity-conducting material, two ends of the semi-circular wheel type energy-assisted member are respectively provided with a roller, and the rollers respectively penetrate through the C-shaped guide rails 2-6 and roll in the grooves of the C-shaped guide rails 2-6. The middle part of the semicircular wheel type energy-assisting component 2-7 is of a concave semicircular structure, and the bottom of the semicircular structure is provided with a downward convex space capable of accommodating the triangular tail wing 1-8.
The baffle plates 2-9 are in threaded connection with the semicircular wheel type energy-assisting components 2-7. The outer side of the C-shaped guide rail 2-6 is provided with an insulating coating, and the C-shaped guide rail 2-6 is fixed on the combined launcher 2-2 with the hydraulic rod through threads. The position limiter 2-8 is fixed on the C-shaped guide rail 2-6 through threads. The bottom ends of the C-shaped guide rails 2-6 are electrically connected with the energy collectors 2-5 through conducting wires. The energy storage power supply 2-3 is electrically connected with the output end of the generator 2-4 and is used for daily energy storage and system energy supply in a use state, and the energy collector 2-5 is used for collecting and improving the energy density obtained from the energy storage power supply 2-3.
During assembly, the C-shaped guide rail 2-6 is fixed on the combined launcher 2-2 with the hydraulic rod, the rollers at two ends of the semicircular wheel type energy-assisting component 2-7 enter the grooves of the C-shaped guide rail 2-6 along the top end of the C-shaped guide rail 2-6 respectively, and then the position limiter 2-8 is fixed at the front end of the C-shaped guide rail 2-6 and used for blocking the semicircular wheel type energy-assisting component 2-7 from separating from the combined launcher 2-2 with the hydraulic rod.
The control system is used for controlling the accurate launching of the reusable non-explosive fire extinguishing bomb 1 and comprises an industrial personal computer 3-1, a target locator 3-2, a position finder 3-3, a launching frame angle controller 3-4 and an energy output controller 3-5, wherein the industrial personal computer 3-1 is electrically connected with the target locator 3-2, the position finder 3-3, the launching frame angle controller 3-4, the energy output controller 3-5 and a charging timer 1-10. The energy output controller 3-5 is used for electrically connecting the output end of the energy storage power supply 2-3 with the energy collector 2-5, and adjusting different emission energies through the energy output controller so as to control and adjust the range of the reusable non-explosive fire extinguishing bomb 1.
The target locator 3-2 is used for acquiring the three-dimensional coordinates of the target spot, transmitting the coordinates to the industrial personal computer 3-1 in real time and determining the target spot; the industrial personal computer 3-1 calculates the trajectory of the reusable non-explosive fire extinguishing bomb 1 by utilizing the coordinate position, determines the required parameters such as a launching angle, flight time, launching energy and the like according to the type of the reusable non-explosive fire extinguishing bomb 1, then the industrial personal computer 3-1 sends out coordinate instructions to the chassis 2-1 and the combined launching rack 2-2 with the hydraulic rod respectively, accurately controls the positioning target of the combined launching rack 2-2 with the hydraulic rod through the launching rack angle controller 3-4, sends out a flight time instruction to the charging timer 1-10, determines the countdown time difference which is the sum of the flight time and time delay, and ensures that the reusable non-explosive fire extinguishing bomb 1 is opened after entering a fire field; meanwhile, the industrial personal computer 3-1 enables the energy collector 2-5 to store required energy through the energy output controller 3-5, then the industrial personal computer 3-1 sends a release instruction to the energy collector 2-5, current is input from one end of one C-shaped guide rail 2-6, flows out from the other C-shaped guide rail 2-6 after passing through the semicircular wheel type energy-assisting component 2-7, electric energy is further converted into kinetic energy of the semicircular wheel type energy-assisting component 2-7, when the reusable non-explosive fire extinguishing bomb 1 is driven to move to the front end of the C-shaped guide rail 2-6, due to the effect of the limiting stopper 2-8, the semicircular wheel type energy-assisting component 2-7 is stopped on the combined launching frame 2-2 with the hydraulic rod, and the reusable non-explosive fire extinguishing bomb 1 breaks away from the combined launching frame 2-2 with the hydraulic rod under the inertia effect and flies to a target position.
The position finder 3-3 is used for collecting the drop point position of the reusable non-explosive fire extinguishing bomb 1 and transmitting the parameters to the industrial personal computer 3-1, and the industrial personal computer 3-1 compares the drop point parameters with the target point position to further determine correction parameters and eliminate the influence of meteorological conditions such as wind speed, wind pressure and humidity on ballistic deviation.
The storage and transportation apparatus includes a cartridge 4-1 fixed to a carrier 5 and a robot arm 4-2. The input end of the mechanical arm 4-2 is electrically connected with a control system, and the mechanical arm 4-2 can move between the ammunition box 4-1 and the combined launching rack 2-2 with the hydraulic rod and is used for ammunition filling.
Wherein, when the fire extinguishing medium is liquid nitrogen, the storage and transportation device also comprises a liquid nitrogen storage tank 4-3 and a liquid nitrogen injection pump 4-4 which are fixed on the carrier 5; the bottom of the liquid nitrogen storage tank 4-3 is provided with a hole and is hermetically connected with a liquid nitrogen injection pump 4-4 through a heat insulation pipeline, and the liquid nitrogen injection pump 4-4 is rapidly connected with a liquid nitrogen injection one-way valve 1-16 through the heat insulation pipeline in a sealing manner.
The working process of the fire extinguishing system of the invention is as follows:
after receiving the fire alarm, the carrier 5 transports the fire extinguishing system to the position 3 to 20 kilometers near the target position and provides a launching environment in a flat and open position; and determining a target coordinate through the target positioning instrument 3-2, and uploading the coordinate to the industrial personal computer 3-1. According to the disaster situation, the industrial personal computer 3-1 determines the liquid nitrogen injection amount of the fire extinguishing bomb 1 and starts a liquid nitrogen pump to inject liquid nitrogen into the fire extinguishing bomb 1. After injection is completed, the industrial personal computer 3-1 issues an instruction to the mechanical arm 4-2, and related ammunition is filled. Meanwhile, the industrial personal computer 3-1 determines parameters such as a launching angle, flight time, launching energy and the like by using data transmitted by the target locator 3-2 and parameters such as the weight of the fire extinguishing bomb 1, and further controls the combined launching rack 2-2 with the hydraulic rod to a specified direction and angle; the industrial personal computer 3-1 sends a flight time instruction to the timer to determine a countdown time difference, wherein the time difference is the sum of the flight time and the time delay, and the fire extinguishing bomb 1 is ensured to be started after entering a fire scene; the industrial personal computer 3-1 enables the energy collector 2-5 to store the required energy through the energy output controller 3-5. Then, an industrial personal computer 3-1 sends a transmitting instruction to the energy collector 2-5, the C-shaped guide rail 2-6 and the semicircular wheel type energy-assisting component 2-7 convert electric energy released by the energy collector 2-5 into kinetic energy of the fire extinguishing bomb 1, and the fire extinguishing bomb 1 is further promoted to fly to a target position; in the process, the position finder starts working, monitors the coordinates of the drop point of the fire extinguishing bomb 1, transmits the parameters to the industrial personal computer 3-1, and the industrial personal computer 3-1 compares the drop point parameters with the target point position, so as to determine correction parameters and eliminate the influence of meteorological conditions such as wind speed, wind pressure, humidity and the like on ballistic deviation; and continuously adjusting the emission parameters through the target locator 3-2 according to disaster changes until the fire extinguishing task is finished. After the fire extinguishing task is finished, the combined launching frame 2-2 with the hydraulic rod returns to the original position, and the novel reusable non-explosive directional energy rapid fire extinguishing system is transported back to the base by the delivery vehicle 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A reusable non-explosive fire extinguishing bomb comprises a bomb body (1-7), a bomb head and a firing pin (1-12), and is characterized in that a gas storage chamber (1-1) for storing fire extinguishing medium and an annular fluid chamber (1-6) arranged in the circumferential wall of the bomb body (1-7) are arranged in the bomb body (1-7), the annular fluid chamber (1-6) is communicated with the gas storage chamber (1-1) through a first passage, the firing pin (1-12) is inserted into the gas storage chamber (1-1) from the front end of the bomb head to block the first passage, and the firing pin (1-12) is arranged to open the first passage when moving into the bomb body (1-7);
a second channel for communicating the air storage chamber (1-1) with the annular fluid cavity (1-6) is arranged in the bullet, an electromagnetic valve (1-11) for controlling the opening/closing of the second channel is arranged in the second channel, a charging timer (1-10) electrically connected with the electromagnetic valve (1-11) is arranged in the bullet, and the charging timer (1-10) is used for controlling the electromagnetic valve (1-11) to act to open the second channel;
the tail end of the air storage chamber (1-1) is provided with a spring body (1-2) and a plunger (1-3), and the spring body (1-2) is used for providing pressure for discharging the fire extinguishing medium from the air storage chamber (1-1) through the annular fluid cavity (1-6) after the first channel or/and the second channel is opened.
2. A reusable non-explosive fire extinguishing bomb according to claim 1 characterised in that a buffer layer (1-14) is provided between the front end of the warhead and the front end of the firing pin (1-12) for protecting the warhead when the firing pin (1-12) is displaced backwards.
3. A reusable non-explosive fire extinguishing bomb according to claim 1 characterised in that a third channel is provided in the head communicating with the air reservoir (1-1), that a safety valve (1-15) is provided in the third channel, and that the outlet line of the safety valve (1-15) communicates with the annular fluid chamber (1-6).
4. A reusable non-explosive fire extinguishing bomb according to claim 1 characterised in that the bomb (1-7) is provided with a sleeve-like structure with a heat insulating layer and the bombs (1-7) are provided with evenly arranged ejection ports (1-9) communicating with the annular fluid chambers (1-6).
5. The reusable non-explosive cartridge according to claim 1, wherein said extinguishing medium is high pressure liquid CO 2 Or CO in supercritical state 2 Or liquid nitrogen.
6. A reusable non-explosive fire extinguishing bomb according to claim 5 characterised in that when the extinguishing medium is liquid nitrogen, a one-way valve (1-16) for injecting liquid nitrogen is provided in the bomb head.
7. A fire extinguishing system applied to the reusable non-explosive fire extinguishing bomb (1) of claim 5, characterized by comprising:
-a launching system for launching the reusable non-explosive cartridge (1);
a control system for controlling the accurate firing of the reusable non-explosive cartridge (1);
and the storage and transportation device is arranged on the carrier (5) and is used for storing and loading the reusable non-explosive fire extinguishing bomb (1).
8. A fire extinguishing system according to claim 7, characterized in that the launcher system comprises a chassis (2-1) arranged on the vehicle (5) and rotatable and positionable in 360 ° of the horizontal plane, a combined launcher (2-2) with hydraulic rod having one end connected to a hinge on the chassis (2-1), C-shaped guide rails (2-6) mounted symmetrically on both sides of the upper surface of the combined launcher (2-2) with hydraulic rod, a semi-circular wheel-type energy assisting member (2-7) displaceably arranged between the two C-shaped guide rails (2-6), a stopper (2-8) arranged at the front end of the two C-shaped guide rails (2-6) and a baffle (2-9) arranged at the rear end of the semi-circular wheel-type energy assisting member (2-7), a generator (2-4) arranged on the vehicle (5), an energy storage power supply (2-3) and an energy collector (2-5), wherein the bottom end of the hydraulic rod is connected to the hinge on the chassis (2-1) and the top end thereof is connected to the bottom of the combined launcher (2-2) with hydraulic rod.
9. Fire extinguishing system according to claim 7, characterized in that the control system comprises an industrial control computer (3-1), a target positioning instrument (3-2), a position finder (3-3), a launch frame angle controller (3-4) and an energy output controller (3-5), wherein the industrial control computer (3-1) is electrically connected with the target positioning instrument (3-2), the position finder (3-3), the launch frame angle controller (3-4), the energy output controller (3-5) and the charging timer (1-10).
10. Fire extinguishing system according to claim 7, characterized in that the storage and transport device (4) comprises a cartridge case (4-1) and a robot arm (4-2) fixed to a vehicle (5); when the fire extinguishing medium is liquid nitrogen, the storage and transportation device (4) further comprises a liquid nitrogen storage tank (4-3) and a liquid nitrogen injection pump (4-4), wherein the liquid nitrogen storage tank and the liquid nitrogen injection pump are fixed on the carrier (5); wherein:
the input end of the mechanical arm (4-2) is electrically connected with the control system (3), and the mechanical arm (4-2) can move between the ammunition box (4-1) and the combined launching cradle (2-2) with the hydraulic rod and is used for ammunition filling.
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| CN202310055821.4A CN115869568B (en) | 2023-01-18 | 2023-01-18 | Reusable non-explosive fire extinguishing bullet and fire extinguishing system |
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| CN202310055821.4A CN115869568B (en) | 2023-01-18 | 2023-01-18 | Reusable non-explosive fire extinguishing bullet and fire extinguishing system |
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| CN115869568B (en) | 2023-06-30 |
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