CN113244547A - Accurate guidance fire extinguishing bomb system applied to forest fire extinguishing - Google Patents
Accurate guidance fire extinguishing bomb system applied to forest fire extinguishing Download PDFInfo
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- CN113244547A CN113244547A CN202110686235.0A CN202110686235A CN113244547A CN 113244547 A CN113244547 A CN 113244547A CN 202110686235 A CN202110686235 A CN 202110686235A CN 113244547 A CN113244547 A CN 113244547A
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- 230000001681 protective effect Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
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- 238000002955 isolation Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
- A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
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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
Abstract
The invention provides an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing, and relates to the field of forest fire extinguishing. This be applied to accurate guidance fire extinguishing bomb system that forest was put out a fire, including fire extinguishing bomb body and remote control terminal, the fire extinguishing bomb body includes proximity fire scene detection device, fire extinguishing cabin, power supply unit, combination navigation control device and rudder control device, proximity fire scene detection device includes infrared detector, laser detector and fuse mechanism, combination navigation control device includes that the bullet carries computer and navigation module, rudder control device includes tail vane rudder face, steering wheel and rudder control module. The fire extinguishing bomb body is formed by the proximity fire scene detection device, the fire extinguishing cabin, the power supply device, the combined navigation control device and the steering control device, and long-distance, efficient and safe fire extinguishing operation is implemented by launching the fire extinguishing bomb body towards a fire area, so that the aims of quickly extinguishing or suppressing forest fires and avoiding casualties are fulfilled.
Description
Technical Field
The invention relates to the technical field of forest fire extinguishing, in particular to an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing.
Background
At present, the forest fire extinguishing means adopted by various countries is mainly aerial fire extinguishing, fixed wing airplanes are high in flying speed, long in voyage and large in carrying capacity, and are generally used for fighting field fires such as forests, grasslands and the like, amphibious airplanes directly land and take off on lakes to draw water, then fly to a fire scene, and spraying equipment sprays the water; or the fire extinguishing agent powder is directly carried and the spraying equipment is used for spraying in a fire scene, the space range of the forest fire after the disaster is happened is very large, the height generally reaches 10m-20m, the length of the fire wire along the advancing direction can reach 50m, and the temperature reaches 900 ℃. Because the safety of the airplane is ensured, the airplane can only operate at a certain height above the fire scene during fire extinguishment, so that the spraying height is higher, the fire extinguishing agent is influenced by strong hot air flow above the fire scene in the landing process, and a part of the fire extinguishing agent is evaporated or blown down to the fire scene in the landing process to the fire scene, so that the fire extinguishing agent really acting on the fire scene is less and the fire extinguishing effect is poor.
Patent document CN202010770956.5 discloses a fire extinguishing bomb system for forest fire extinguishing, which at least comprises an infrared camera, a control terminal and a plurality of fire extinguishing bombs; the infrared camera and the control terminal are arranged on the airplane and are connected with each other through a cable; the control terminal is connected with the fire extinguishing bombs through the wireless data link, and through the fire extinguishing bomb system disclosed by the invention, the fire extinguishing bombs are cooperatively guided to form a cooperatively allocated fire extinguishing scheme, so that the establishment of a fire extinguishing isolation belt is completed. At present, in actual fire fighting work, due to the fact that forest topography is complex, aiming accuracy of fire extinguishing bombs is low, and fire extinguishing effects of the fire extinguishing bombs are difficult to maximize.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing, and solves the problems of low aiming accuracy and poor fire extinguishing effect of the existing fire extinguishing bomb.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an accurate guidance fire extinguishing bomb system for forest is put out a fire, includes fire extinguishing bomb body and remote control terminal, the fire extinguishing bomb body includes near sense fire scene detection device, fire extinguishing cabin, power supply unit, combination navigation control device and rudder control device, near sense fire scene detection device includes infrared detector, laser detector and fuze mechanism, the fire extinguishing cabin is including fire extinguishing agent and detonation mechanism, fuze mechanism includes fire source infrared radiation monitoring unit, safety isolation subassembly and booster assembly, combination navigation control device includes that the bullet carries computer and navigation module, rudder control device includes tail vane rudder control surface, steering wheel and rudder control module.
Preferably, the fire extinguishing bomb body still includes the fire extinguishing bomb shell, the one end fixedly connected with protection hood of fire extinguishing bomb shell, the one end setting of tail rudder control surface is at the other end of fire extinguishing bomb shell, the one end fixedly connected with light filter of protection hood, the inboard adjacent protection hood fixedly connected with skeleton of fire extinguishing bomb shell, upper portion fixedly connected with mount in one side of skeleton, one side fixed connection of mount is in laser detector's the outside, lower part fixedly connected with mounting bracket in one side of skeleton, one side fixed connection of mounting bracket is in infrared detector's the outside, the opposite side of skeleton passes through bolt fixedly connected with control panel.
Preferably, the top of the shell of the fire extinguishing bomb is fixedly connected with a hanging rack, and a wing plate is arranged on the outer side of the shell of the fire extinguishing bomb.
Preferably, the control panel is electrically connected with the infrared detector and the laser detector.
Preferably, the infrared detector and the laser detector are arranged in a staggered mode, and a lens is arranged on one side of the infrared detector or the laser detector.
Preferably, the integrated navigation control device further comprises an information processing unit, an inertial measurement unit, a satellite positioning receiver and a magnetic compass sensor.
Preferably, the fire extinguishing bomb body is connected with a remote control terminal through a communication module, and the remote control terminal further comprises a control unit.
A use method of an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing comprises the following steps:
s1: before the aerial carrier takes off, the power-on and self-checking of the fire extinguishing bomb body are completed, after the self-checking is normal, the information is fed back to the aerial carrier, the aerial carrier synthesizes the power-on self-checking information of the fire extinguishing bomb body to form system preparation state information, the system preparation state information is fed back to a ground command center, and the aerial carrier takes off according to the command of the ground command center;
s2: in the process that the fire extinguishing bomb body mounted on the carrier flies to a target fire point area, the fire extinguishing bomb body carries out autonomous navigation calculation through a mounted navigation module;
s3: before the fire extinguishing bomb body is launched, the carrier reaches a designated airspace, target position information is bound to the fire extinguishing bomb body according to a command of a ground command center, and after the fire extinguishing bomb body completes target information binding and self-inspection before launching, state information is fed back to the carrier; after the bomb carrying machine receives the bound target of the fire extinguishing bomb body and the self-checking is normal, the throwing mechanism of the hanging frame is controlled to release the fire extinguishing bomb body;
s4: after the fire extinguishing bomb body launches, the fire extinguishing bomb body detects and carries the machine separation back, begin to insert stable control, and accomplish and lead the one-level solution of war system and protect, target information and self navigation position are synthesized to the fire extinguishing bomb body, speed information, form the guidance instruction, last control tail rudder control surface of control bullet deflects, guarantee that the bomb body gesture is stable and fly to the target location, the fire extinguishing bomb body is judged to be less than 60m with the target distance, relative ground height is less than 10m, fuse mechanism starts, detonate the inside explosive column of fire extinguishing agent and accomplish the fire extinguishing agent and shed.
The working principle is as follows: command center receives the fire alarm command, the carrier hangs and adorns the fire extinguishing bomb body and flies to the target ignition region after accomplishing to go up electricity and self-checking, through remote control terminal communication control, the carrier binds target location information to the fire extinguishing bomb body before the fire extinguishing bomb body launches, after the fire extinguishing bomb body launches, the fire extinguishing bomb body synthesizes target information and self navigation position, speed information, form the guidance instruction, fly to the target region, and start after the fire extinguishing bomb is close to the target region through the control unit control fuse mechanism, explode the inside powder column of fire extinguishing agent and accomplish the fire extinguishing agent and shed, accomplish and put out a fire.
(III) advantageous effects
The invention provides an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing. The method has the following beneficial effects:
1. the fire extinguishing bomb body is formed by the proximity fire scene detection device, the fire extinguishing cabin, the power supply device, the combined navigation control device and the steering control device, the forest fire extinguishing bomb body can be carried by an airplane to enter a forest fire generation area, and long-distance, high-efficiency and safe fire extinguishing operation is implemented by launching the fire extinguishing bomb body towards the fire area, so that the aims of quickly extinguishing or inhibiting forest fire and avoiding casualties are achieved.
2. According to the invention, the fuse mechanism is formed by the fire source infrared radiation monitoring unit, the safety isolation assembly and the explosion propagation assembly, and the infrared detector, the laser detector and the fuse mechanism form a near-sensing fire scene detection device, so that the device can adapt to the complex terrain of a forest fire scene, improve the aiming precision of fire extinguishing bombs and further realize the maximization of the fire extinguishing effect.
Drawings
FIG. 1 is a system framework diagram of the present invention;
FIG. 2 is a system framework diagram of the integrated navigation control device of the present invention;
FIG. 3 is a system block diagram of the fuze mechanism of the present invention
FIG. 4 is a schematic diagram of a filter according to the present invention;
FIG. 5 is a schematic representation of the inventive skeleton;
FIG. 6 is a schematic diagram of a control panel according to the present invention.
Wherein, 1, the optical filter; 2. a protective head cover; 3. a wing plate; 4. a fire extinguishing bomb housing; 5. a hanger; 6. a tail rudder control surface; 7. a laser detector; 8. an infrared detector; 9. a mounting frame; 10. a fixed mount; 11. a framework; 12. a control panel; 13. a proximity fire field detection device; 14. a fire extinguishing chamber; 15. a power supply device; 16. an integrated navigation control device; 17. a rudder control device; 18. a fire extinguishing bomb body; 19. a remote control terminal; 20. a fuse mechanism.
Detailed Description
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.
The first embodiment is as follows:
as shown in figures 1-3, the embodiment of the invention provides an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing, which comprises a fire extinguishing bomb body 18 and a remote control terminal 19, wherein the fire extinguishing bomb body 18 comprises a near-sensing fire scene detection device 13, a fire extinguishing cabin 14, a power supply device 15, a combined navigation control device 16 and a steering control device 17, the near-sensing fire scene detection device 13 comprises an infrared detector 8, a laser detector 7 and a fuse mechanism 20, the fire extinguishing cabin 14 comprises a fire extinguishing agent and a detonation mechanism, the fuse mechanism 20 comprises a fire source infrared radiation monitoring unit, a safety isolation assembly and a booster assembly, the combined navigation control device 16 comprises a bomb-borne computer and a navigation module, the steering control device 17 comprises a tail rudder surface 6, a steering engine and a steering control module, the forest fire extinguishing bomb body 18 can be carried by an airplane to enter a forest fire occurrence area, and the fire extinguishing bomb body 18 is launched to the fire occurrence area to implement, The high-efficiency and safe fire extinguishing operation achieves the aims of quickly extinguishing or inhibiting forest fires and avoiding casualties.
The combined navigation control device 16 further comprises an information processing unit, an inertia measuring unit, a satellite positioning receiver and a magnetic compass sensor, the fire extinguishing bomb body 18 is connected with the remote control terminal 19 through a communication module, and the remote control terminal 19 further comprises a control unit.
Example two:
on the basis of the above embodiments, as shown in fig. 1-6, in this embodiment, the fire extinguishing bomb body 18 further includes a fire extinguishing bomb casing 4, one end of the fire extinguishing bomb casing 4 is fixedly connected with a protective hood 2, one end of a tail rudder control surface 6 is arranged at the other end of the fire extinguishing bomb casing 4, one end of the protective hood 2 is fixedly connected with an optical filter 1, the optical filter 1 is used for selecting a required radiation waveband, the inner side of the fire extinguishing bomb casing 4 is fixedly connected with a framework 11 adjacent to the protective hood 2, the middle upper portion of one side of the framework 11 is fixedly connected with a fixing frame 10, one side of the fixing frame 10 is fixedly connected with the outer side of the laser detector 7, the middle lower portion of one side of the framework 11 is fixedly connected with a mounting frame 9, one side of the mounting frame 9 is fixedly connected with the outer side of the infrared detector 8, the mounting frame 9 and the fixing frame 10 are both fixed on one side of the framework 11 by bolts, the other side of the framework 11 is fixedly connected with a control panel 12 by bolts, top fixedly connected with stores pylon 5 of shell 4 is thrown out a fire to the bullet shell 4, the outside of shell 4 is provided with pterygoid lamina 3, control panel 12 electric connection infrared detector 8 and laser detector 7, infrared detector 8 sets up with laser detector 7 is crisscross, one side of infrared detector 8 or laser detector 7 is provided with lens, infrared detector 8 and laser detector 7 share a lens, can adopt the lens of glass camera lens, its imaging effect will be better than the plastic camera lens, lens can bond the assembly in the relevant position of protection hood 2, infrared detector 8 and laser detector 7 mounting structure are compact, the installation of being convenient for.
Example three:
on the basis of the above embodiment, the embodiment of the invention provides a use method of an accurate guidance fire extinguishing bomb system applied to forest fire extinguishing, which comprises the following steps:
s1: before the aircraft takes off, the power-on and self-inspection of the fire extinguishing bomb body 18 are completed, the information is fed back to the aircraft after the self-inspection is normal, the aircraft integrates the power-on self-inspection information of the fire extinguishing bomb body 18 to form system preparation state information, the system preparation state information is fed back to a ground command center, and the aircraft takes off according to the command of the ground command center;
s2: in the process that the fire extinguishing bomb body 18 mounted on the aircraft flies to a target fire point area, the fire extinguishing bomb body 18 carries out autonomous navigation calculation through a mounted navigation module;
s3: before the fire extinguishing bomb body 18 is launched, the carrier reaches a designated airspace, target position information is bound to the fire extinguishing bomb body 18 according to a command of a ground command center, and after the fire extinguishing bomb body 18 completes target information binding and self-checking before launching, state information is fed back to the carrier; after the cartridge loader receives the bound target of the fire extinguishing cartridge body 18 and the self-checking is normal, the throwing mechanism of the hanging rack 5 is controlled to release the fire extinguishing cartridge body 18;
s4: after the 18 launches of fire extinguishing bomb body, the fire extinguishing bomb body 18 detects and carries the machine separation back, begin to insert stable control, and accomplish and lead the one-level solution of war system and protect, 18 integrated target information of fire extinguishing bomb body and self navigation position, speed information, form the guidance instruction, last control tail rudder control surface 6 of control bomb deflects, guarantee that the body gesture is stable and fly to the target location, 18 judgement of fire extinguishing bomb body are less than 60m with the target distance, relative ground height is less than 10m, fuse mechanism 20 starts, detonate the inside powder column of fire extinguishing agent and accomplish the fire extinguishing agent and shed.
a) Taking off, after the ground mobile command system receives a fire alarm command, the bomb carrying machine hangs the fire extinguishing bomb body 18, and the fire extinguishing bomb takes off according to the command of the ground command vehicle after completing power-on and self-inspection;
b) hanging and flying, wherein the bomb carrying machine flies to a fire point area according to an instruction; autonomous navigation resolving is carried out on the inertial navigation information and the satellite positioning information on the fire extinguishing bomb body 18 during the hanging flight process;
c) the fire extinguishing bomb body 18 is bound with target position information according to the instruction, after the fire extinguishing bomb body 18 completes target information binding and self-checking before launching, state information is fed back to the fire extinguishing bomb carrier, and the fire extinguishing bomb body 18 is released by a releasing mechanism of the fire extinguishing bomb control rack 5;
d) autonomous flight:
1) after the fire extinguishing bomb body 18 is detected to be separated from the carrier, stable control starts to be accessed, and meanwhile, the proximity fire scene detection device 13 completes primary solution protection according to a bomb separation signal;
2) the fire extinguishing bomb body 18 integrates target information and self navigation position and speed information to form a guidance instruction, controls the deflection of a control surface and ensures that the posture of a bomb body is stable and flies to a target position;
3) the fire extinguishing bomb body 18 judges that the distance to the target is less than 60m and then unlocks the detonation circuit, when the height of the fire extinguishing bomb body 18 relative to the ground is less than 15m, the detonation circuit is started, and the fire extinguishing agent is thrown by detonating the inner powder columns of the fire extinguishing agent.
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 (8)
1. The utility model provides an accurate guidance fire extinguishing bomb system for forest is put out a fire, includes fire extinguishing bomb body (18) and remote control terminal (19), its characterized in that: the fire extinguishing bomb body (18) comprises a proximity fire scene detection device (13), a fire extinguishing cabin (14), a power supply device (15), a combined navigation control device (16) and a rudder control device (17), the proximity fire scene detection device (13) comprises an infrared detector (8), a laser detector (7) and a fuse mechanism (20), the fire extinguishing cabin (14) comprises a fire extinguishing agent and a detonation mechanism, the fuse mechanism (20) comprises a fire source infrared radiation monitoring unit, a safety isolation assembly and a booster assembly, the combined navigation control device (16) comprises an missile-borne computer and a navigation module, and the rudder control device (17) comprises a tail rudder surface (6), a steering engine and a rudder control module.
2. The system of claim 1, wherein the fire extinguishing bomb comprises: the fire extinguishing bomb body (18) also comprises a fire extinguishing bomb shell (4), one end of the fire extinguishing bomb shell (4) is fixedly connected with a protective head cover (2), one end of the tail rudder control surface (6) is arranged at the other end of the shell (4) of the fire extinguishing bomb, one end of the protective head cover (2) is fixedly connected with the optical filter (1), the inner side of the shell (4) of the fire extinguishing bomb is fixedly connected with a framework (11) adjacent to the protective head cover (2), a fixing frame (10) is fixedly connected to the middle upper part of one side of the framework (11), one side of the fixing frame (10) is fixedly connected to the outer side of the laser detector (7), lower part fixedly connected with mounting bracket (9) in one side of skeleton (11), one side fixed connection of mounting bracket (9) is in the outside of infrared detector (8), bolt fixedly connected with control panel (12) is passed through to the opposite side of skeleton (11).
3. The system of claim 2, wherein the fire extinguishing bomb comprises: the top fixedly connected with stores pylon (5) of fire extinguishing bomb shell (4), the outside of fire extinguishing bomb shell (4) is provided with pterygoid lamina (3).
4. The system of claim 2, wherein the fire extinguishing bomb comprises: the control panel (12) is electrically connected with the infrared detector (8) and the laser detector (7).
5. The system of claim 2, wherein the fire extinguishing bomb comprises: the infrared detector (8) and the laser detector (7) are arranged in a staggered mode, and a lens is arranged on one side of the infrared detector (8) or one side of the laser detector (7).
6. The system of claim 1, wherein the fire extinguishing bomb comprises: the integrated navigation control device (16) further comprises an information processing unit, an inertial measurement unit, a satellite positioning receiver and a magnetic compass sensor.
7. The system of claim 1, wherein the fire extinguishing bomb comprises: the fire extinguishing bomb body (18) is connected with a remote control terminal (19) through a communication module, and the remote control terminal (19) further comprises a control unit.
8. Use of a precision guided fire extinguishing bomb system for forest fire extinguishing according to any one of claims 1-7, characterised in that: the method comprises the following steps:
s1: before the aerial carrier takes off, the electrification and self-inspection of the fire extinguishing bomb body (18) are completed, after the self-inspection is normal, the information is fed back to the aerial carrier, the aerial carrier synthesizes the electrification self-inspection information of the fire extinguishing bomb body (18) to form system preparation state information, the system preparation state information is fed back to a ground command center, and the aerial carrier takes off according to the command of the ground command center;
s2: in the process that the fire extinguishing bomb body (18) mounted on the aircraft flies to a target fire point area, the fire extinguishing bomb body (18) carries out autonomous navigation calculation through a mounted navigation module;
s3: before the fire extinguishing bomb body (18) is launched, the carrier reaches a designated airspace, target position information is bound to the fire extinguishing bomb body (18) according to a command of a ground command center, and after the fire extinguishing bomb body (18) completes target information binding and self-inspection before launching, state information is fed back to the carrier; after the cartridge loader receives the bound target of the fire extinguishing cartridge body (18) and the self-checking is normal, the throwing mechanism of the hanging rack (5) is controlled to release the fire extinguishing cartridge body (18);
s4: after fire extinguishing bomb body (18) transmission, fire extinguishing bomb body (18) detect with the carrier separation back, begin to insert stable control, and accomplish and lead the one-level solution of war system and protect, target information and self navigation position are synthesized in fire extinguishing bomb body (18), speed information, form the guidance instruction, last tail rudder control surface (6) of controlling of bullet deflect, guarantee that the bomb body gesture is stable and fly to the target location, fire extinguishing bomb body (18) are judged and are less than 60m with the target distance, relative ground height is less than 10m, fuze mechanism (20) start, detonate the inside explosive column of fire extinguishing agent and accomplish the fire extinguishing agent and shed.
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| CN113926106A (en) * | 2021-10-29 | 2022-01-14 | 四川航天燎原科技有限公司 | Air-drop forest fire extinguishing bomb |
| CN114415727A (en) * | 2022-01-21 | 2022-04-29 | 烟台云都海鹰无人机应用技术有限公司 | Intelligent control system of agricultural and forestry unmanned aerial vehicle based on accurate guidance and delayed blasting |
| CN114849112A (en) * | 2022-05-06 | 2022-08-05 | 湖南迈克森伟电子科技有限公司 | Pin pulling switch for air-drop fire extinguishing bomb and pin pulling power-on device |
| CN114870290A (en) * | 2022-06-17 | 2022-08-09 | 中国消防救援学院 | Novel air-drop forest fire extinguishing bomb |
| CN116531690A (en) * | 2023-06-25 | 2023-08-04 | 中国人民解放军63863部队 | Forest fire extinguishing bomb with throwing device and throwing control method |
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| CN113926106A (en) * | 2021-10-29 | 2022-01-14 | 四川航天燎原科技有限公司 | Air-drop forest fire extinguishing bomb |
| WO2023070787A1 (en) * | 2021-10-29 | 2023-05-04 | 四川航天燎原科技有限公司 | Airdrop forest fire extinguishing bomb |
| CN114415727A (en) * | 2022-01-21 | 2022-04-29 | 烟台云都海鹰无人机应用技术有限公司 | Intelligent control system of agricultural and forestry unmanned aerial vehicle based on accurate guidance and delayed blasting |
| CN114849112A (en) * | 2022-05-06 | 2022-08-05 | 湖南迈克森伟电子科技有限公司 | Pin pulling switch for air-drop fire extinguishing bomb and pin pulling power-on device |
| CN114849112B (en) * | 2022-05-06 | 2023-01-10 | 湖南迈克森伟电子科技有限公司 | Pin pulling switch for air-drop fire extinguishing bomb and pin pulling power-on device |
| CN114870290A (en) * | 2022-06-17 | 2022-08-09 | 中国消防救援学院 | Novel air-drop forest fire extinguishing bomb |
| CN114870290B (en) * | 2022-06-17 | 2023-01-24 | 中国消防救援学院 | Air-drop forest fire extinguishing bomb |
| CN116531690A (en) * | 2023-06-25 | 2023-08-04 | 中国人民解放军63863部队 | Forest fire extinguishing bomb with throwing device and throwing control method |
| CN116531690B (en) * | 2023-06-25 | 2023-10-20 | 中国人民解放军63863部队 | Forest fire extinguishing bomb with throwing device and throwing control method |
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Application publication date: 20210813 |