Fire extinguishing bomb, related equipment and unmanned aerial vehicle

Abstract

The utility model relates to the field of fire extinguishing bomb related equipment, especially to a fire extinguishing bomb, related equipment and unmanned aerial vehicle, fire extinguishing bomb is transported to the fire extinguishing position by unmanned aerial vehicle and carries out detonation, and the fire extinguishing bomb includes: cylinder body, the center tube is placed in the cylinder body inside, the center tube is provided with material placement cavity and leads out the detonation control line, the controller is placed in the cylinder body inside, is used for connecting with unmanned aerial vehicle through wired and / or wireless connection mode, the redundant protection socket one end is connected with the control port of detonation control line, the other end is connected with the output port of controller, to intercommunication or cut off the connection between control and detonation control line. The utility model has the effect that improves the safety and reliability of fire extinguishing bomb full life cycle.

Description

Technical Field

[0001] This utility model relates to the field of fire extinguishing bombs and related equipment, and in particular to a fire extinguishing bomb, related equipment, and a drone. Background Technology

[0002] Forest fire prevention and control is a global challenge, especially for large-scale fires in complex terrain where personnel cannot reach them quickly, where efficient firefighting methods are very limited. Drones, with their superior mobility and terrain-independent delivery capabilities, have become an important development direction in forest firefighting equipment. Among these methods, the precise dropping and aerial detonation of fire extinguishing bombs by drones is considered a cutting-edge solution for dealing with major forest fires due to its advantages such as rapid response, wide coverage, and avoidance of personnel casualties. Related technology research and product innovation continue to be active.

[0003] Currently, fire extinguishing grenades used in this field mainly rely on two detonation control methods. The first is time-delay detonation, where the grenades have a built-in fixed delay device, requiring the drone to fly to a specific calculated altitude for deployment, achieving a rough detonation. The second is altitude-delay detonation, which typically requires real-time data communication with the drone. By acquiring the drone's altitude information and calculating the required delay before landing within the grenades, a more precise altitude-delayed airburst is achieved. Furthermore, to enhance safety, common fire extinguishing grenades are usually equipped with simple passive protection structures such as mechanical safety pins.

[0004] However, the aforementioned existing technologies have significant limitations in terms of safety, adaptability, and reliability. On the one hand, during the production, assembly, transportation, storage, and deployment on UAVs, fire extinguishing grenades face various risks of accidental detonation, such as static electricity buildup, electromagnetic interference, and unexpected impacts or vibrations. Relying solely on single measures such as mechanical safety pins is insufficient to comprehensively prevent accidental detonation, posing significant safety hazards. On the other hand, their functionality heavily depends on the specific performance of UAVs. For example, fixed-altitude blasting requires real-time communication support from the UAV, but many industrial UAVs lack such external communication interfaces, limiting the applicable platforms for high-performance fire extinguishing grenades and resulting in poor versatility. Therefore, there is an urgent need for a fire extinguishing grenades solution with a built-in active safety mechanism, adaptable to multiple UAV platforms, and providing comprehensive protection throughout the entire process to improve its overall safety level and operational applicability. Utility Model Content

[0005] In order to solve one or more of the technical problems mentioned above, this application provides fire extinguishing bombs, delivery control methods, related equipment and drones, in order to solve the above problems.

[0006] The fire extinguishing bomb, related equipment, and drone provided by this utility model adopt the following technical solution:

[0007] In a first aspect, this application provides a fire extinguishing bomb, which is delivered to the fire location by a drone and detonated thereon. The fire extinguishing bomb further includes: cylindrical body; A central tube is placed inside the cylinder, and a material placement cavity is provided inside the central tube and an ignition control line is led out from it. A controller, located inside the cylinder, is used to connect to the drone via a wired and / or wireless connection. A redundant protection socket is provided, with one end connected to the control port of the detonation control line and the other end connected to the output port of the controller, so as to connect or disconnect the connection between the controller and the detonation control line.

[0008] One possible approach is that the detonation control line includes a first control line and a second control line, and when the redundant protection socket is in a protected state, the first control line and the second control line are short-circuited.

[0009] By adopting the above technical solutions, the fire extinguishing bomb provided in this application has made significant progress in addressing the shortcomings of existing fire extinguishing bombs in terms of safety and adaptability through multi-level technological innovation. Firstly, the controller supports multiple connection methods, including wired and wireless, breaking the fire extinguishing bomb's dependence on specific UAV communication interfaces and enabling it to flexibly adapt to various UAV platforms, from basic to intelligent models, greatly improving the equipment's versatility and operational deployment flexibility. Secondly, the redundant protection socket architecture, through a dual insurance mechanism of physically isolating control signals and short-circuiting the detonation circuit in the non-operating state, forms an inherently safe design, effectively resisting the risks of accidental activation caused by static electricity accumulation, electromagnetic interference, mechanical vibration, and accidental impacts during production, transportation, storage, and standby phases. This integrated design fundamentally improves the safety and reliability of the fire extinguishing bomb throughout its entire lifecycle, while also considering the functional requirements of different application scenarios.

[0010] One possible approach is that the redundant protection socket includes a three-pin female connector and a male connector; The three-pin female connector includes: a first pin, a second pin, and a third pin; The first pin is connected to either the first control line or the second control line, and the third pin is connected to the other of the first control line and the second control line. The second pin and the third pin are fixedly connected. One end of the male connector is connected to the output port of the controller, and the other end is used to insert into the three-pin female connector; When the male connector is not inserted, the first pin and the second pin are automatically connected, short-circuiting the first control line and the third control line. When the male connector is inserted, the first pin and the second pin are disconnected, forming a path with the controller.

[0011] By adopting the above technical solution, the redundant protection socket uses a three-pin female and male connector structure, achieving a dual safety protection mechanism through ingenious electrical connection design. When the male connector is not inserted, the automatic connection between the first and second pins creates a short circuit between the two detonation control lines, effectively reducing the potential difference of the detonation circuit to zero and fundamentally eliminating the risk of accidental detonation caused by static electricity accumulation, electromagnetic interference, or accidental current leakage. When the male connector is inserted, the mechanical structure drives the first and second pins to disconnect, simultaneously establishing a reliable path with the controller, ensuring the system enters normal operating condition. This hardware-level protection method based on physical connection not only provides absolute safety during transportation and storage but also solves the technical defects of traditional software and hardware protection schemes, such as response delay and insufficient reliability, significantly improving the intrinsic safety level of the fire extinguishing bomb throughout its entire life cycle.

[0012] One possible approach is that the male connector includes a first pin and a second pin; When the male connector is inserted into the three-pin female connector, the first pin contacts either the first pin or the third pin, and the second pin contacts the other of the first pin and the third pin, thereby connecting the controller's output port to the first pin and the third pin to form a detonation control loop.

[0013] By adopting the above technical solution, the male connector structure, through the specific layout of the first and second pins, forms a reliable connection independent of polarity when mating with the female connector: when the male connector is inserted, the first pin automatically makes contact with either the first or third pin, while the second pin forms a path with the remaining pins, thereby ensuring that the controller's output signal can be uniformly applied to both ends of the detonation control line. This symmetrical connection design not only eliminates the risk of system failure due to incorrect insertion polarity but also achieves synchronous activation of the working circuit and control signal through physical interlocking, further enhancing the system's connection reliability in combat environments. While ensuring ease of operation, this design provides dual redundancy for establishing the detonation control circuit, significantly improving the system's anti-interference capability and operational reliability in complex electromagnetic environments.

[0014] One possible approach is that the first pin of the three-pin female connector is connected to a flexible metal sheet; When the male connector is not inserted, the elastic metal sheet remains in contact with the second pin under its own elastic force, so that the first pin is connected to the second pin; When the male connector is inserted, the elastic metal strip disengages from the second pin under the action of the first or second pin, thereby breaking the connection between the first and second pins.

[0015] When the female connector is inserted, the first pin of the male connector contacts the third pin of the female connector, and the second pin of the male connector contacts the first pin of the female connector, thereby connecting the output port of the controller to the first and third pins of the female connector via the male connector, forming an ignition control circuit.

[0016] By adopting the above technical solution, the elastic metal sheet structure achieves automatic switching between safe and working states through mechanical elasticity: when the male connector is not inserted, the elastic metal sheet maintains reliable contact with the second pin due to its own elasticity, forming a stable short-circuit protection circuit to ensure the absolute safety of the fire extinguishing bomb in non-use mode; when the male connector is inserted, the mechanical pressure of the pin forces the elastic metal sheet to separate from the second pin, simultaneously completing the release of the short-circuit connection and the establishment of the control circuit. This mechanical linkage design not only eliminates the potential risk of malfunction of electronic switches, but also achieves millisecond-level response for safety protection and working mode switching, greatly improving the reliability of the system in emergency fire extinguishing scenarios. Simultaneously, through the specific contact and cooperation between the male connector pins and the female connector pins (the first pin connects to the third pin, and the second pin connects to the first pin), a complete detonation control circuit is directly constructed at the moment of insertion, further optimizing the system's connection efficiency and anti-interference performance.

[0017] Secondly, this application provides a drone that is applied to the fire extinguishing bomb described in the first aspect. The drone establishes a wired and / or wireless communication connection with the controller of the fire extinguishing bomb to provide real-time altitude data to the fire extinguishing bomb, receive status information, and transmit control commands so that the fire extinguishing bomb can execute a fixed-altitude blasting mode.

[0018] In summary, this utility model has at least one of the following beneficial technical effects: 1. Addressing the shortcomings of existing fire extinguishing bombs in terms of safety and adaptability, significant progress has been made through multi-level technological innovation. Firstly, the controller supports multiple connection methods, including wired and wireless, breaking the dependence of the fire extinguishing bomb on specific UAV communication interfaces. This allows it to flexibly adapt to various UAV platforms, from basic to intelligent models, greatly improving the equipment's versatility and operational deployment flexibility. Secondly, the adopted redundant protection socket architecture, through a dual insurance mechanism of physical isolation of control signals and short-circuit connection of the detonation circuit in the non-operating state, forms an inherently safe design, effectively resisting the risks of accidental activation caused by static electricity accumulation, electromagnetic interference, mechanical vibration, and accidental impacts during production, transportation, storage, and standby phases. This integrated design fundamentally improves the safety and reliability of the fire extinguishing bomb throughout its entire lifecycle, while also considering the functional requirements of different application scenarios. 2. The redundant protection socket adopts a three-pin female and male connector structure, achieving a dual safety protection mechanism through ingenious electrical connection design. When the male connector is not inserted, the automatic connection between the first and second pins creates a short circuit between the two detonation control lines, effectively reducing the potential difference of the detonation circuit to zero and fundamentally eliminating the risk of accidental detonation caused by static electricity accumulation, electromagnetic interference, or accidental current leakage. When the male connector is inserted, the mechanical structure drives the first and second pins to disconnect, simultaneously establishing a reliable path with the controller, ensuring the system enters normal operating condition. This hardware-level protection method based on physical connection not only provides absolute safety during transportation and storage but also solves the technical defects of traditional software and hardware protection schemes, such as response delay and insufficient reliability, significantly improving the intrinsic safety level of the fire extinguishing bomb throughout its entire life cycle. 3. The male connector structure, through the specific layout of the first and second pins, forms a reliable connection independent of polarity when mating with the female connector: when the male connector is inserted, the first pin automatically makes contact with either the first or third pin, while the second pin forms a path with the remaining pins, thus ensuring that the controller's output signal can be uniformly applied to both ends of the detonation control line. This symmetrical connection design not only eliminates the risk of system failure due to incorrect insertion polarity but also achieves synchronous activation of the working circuit and control signal through physical interlocking, further enhancing the system's connection reliability in combat environments. This design, while ensuring ease of operation, provides dual redundancy for establishing the detonation control circuit, significantly improving the system's anti-interference capability and operational reliability in complex electromagnetic environments. 4. The intelligent mode-switching mechanism effectively solves the problems of existing fire extinguishing grenades having limited functionality and being unable to flexibly adapt to different combat platforms. The method autonomously selects between fixed-height blasting and fixed-delay blasting modes by detecting the communication connection status and parameter validity: when communication is normal and parameters are valid, it acquires altitude data in real time and accurately calculates the delay time based on an adaptive algorithm to achieve optimal fire extinguishing effect; when communication is interrupted or parameters are abnormal, it automatically downgrades to the fixed-delay mode to ensure basic functions, significantly improving the adaptability and mission completion rate of the fire extinguishing grenades in complex battlefield environments. This method upgrades traditional single-function fire extinguishing grenades into intelligent and controllable multi-mode combat units, greatly enhancing the robustness and reliability of the system while ensuring blasting accuracy. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of an embodiment of this application; Figure 2 This is a schematic diagram illustrating the structure of the three-pin female connector in the embodiments of this application; Figure 3 This is a schematic diagram illustrating the structure of the male connector in the embodiments of this application; Figure 4This is a flowchart illustrating the method for controlling the deployment of fire extinguishing bombs in the embodiments of this application; Figure 5 This is a flowchart illustrating the detonation process of the fire extinguishing bomb in this embodiment of the application; Figure 6 This is a flowchart illustrating the fixed-height blasting mode of the fire extinguishing bomb in the embodiments of this application; Figure 7 This is a flowchart of the fire extinguishing bomb performing a time-delayed detonation mode in an embodiment of this application.

[0020] Explanation of reference numerals in the attached figures: 1. Cylinder body; 2. Central tube; 21. Detonation control line; 211. First control line; 212. Second control line; 3. Controller; 4. Redundant protection socket; 41. Three-pin female connector; 411. First pin; 412. Second pin; 413. Third pin; 414. Flexible metal strip; 42. Male connector; 421. First pin; 422. Second pin. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1 - Appendix Figure 7 The technical solutions of the embodiments of this utility model will be clearly and completely described.

[0022] This utility model discloses a fire extinguishing bomb, related equipment, and a drone.

[0023] Reference Figure 1 , Figure 2 as well as Figure 3 In a first aspect, this application provides a fire extinguishing bomb, which is delivered to the fire extinguishing location by a drone and detonated. The fire extinguishing bomb also includes: a cylinder 1; a central tube 2, which is placed inside the cylinder 1, and the central tube 2 is provided with a material placement cavity and a detonation control line 21 is led out; a controller 3, which is placed inside the cylinder 1 and is used to connect to the drone via a wired and / or wireless connection; and a redundant protection socket 4, one end of which is connected to the control port of the detonation control line 21, and the other end is connected to the output port of the controller 3 to connect or disconnect the connection between the control and detonation control lines 21.

[0024] One possible approach is that the detonation control line 21 includes a first control line 211 and a second control line 212, and when the redundant protection socket is in the protected state, the first control line 211 and the second control line 212 are in a short-circuit connection state.

[0025] By adopting the above technical solutions, the fire extinguishing bomb provided in this application has made significant progress in addressing the shortcomings of existing fire extinguishing bombs in terms of safety and adaptability through multi-level technological innovation. First, the controller 3 supports multiple connection methods, including wired and wireless, breaking the fire extinguishing bomb's dependence on specific UAV communication interfaces and enabling it to flexibly adapt to various UAV platforms, from basic to intelligent models, greatly improving the equipment's versatility and operational deployment flexibility. Second, the redundant protection socket 4 architecture, in the non-operating state, forms an inherently safe design through a dual insurance mechanism of physically isolating the control signal and short-circuiting the detonation circuit, effectively resisting the risk of accidental activation caused by static electricity accumulation, electromagnetic interference, mechanical vibration, and accidental impacts during production, transportation, storage, and standby phases. This integrated design fundamentally improves the safety and reliability of the fire extinguishing bomb throughout its entire lifecycle, while also considering the functional requirements of different application scenarios.

[0026] One possible approach is that the redundant protection socket 4 includes a three-pin female connector 41 and a male connector 42; The three-pin female connector 41 includes: a first pin 411, a second pin 412 and a third pin 413; The first pin 411 is connected to either the first control line 211 or the second control line 212, the third pin 413 is connected to the other of the first control line 211 and the second control line 212, and the second pin 412 and the third pin 413 are fixedly connected. One end of the male connector 42 is connected to the output port of the controller 3, and the other end is used to insert into the three-pin female connector 41; When the male connector 42 is not inserted, the first pin 411 and the second pin 412 are automatically connected, causing the first control line 211 and the third control line to be short-circuited. When the male connector 42 is inserted, the first pin 411 and the second pin 412 are disconnected, and a path is formed with the controller 3.

[0027] By adopting the above technical solution, the redundant protection socket 4 uses a three-pin female connector 41 and a male connector 42 in a mating structure, achieving a dual safety protection mechanism through ingenious electrical connection design. When the male connector 42 is not inserted, the automatic connection between the first pin 411 and the second pin 412 creates a short circuit connection between the two detonation control lines 21, effectively reducing the potential difference of the detonation line to zero, fundamentally eliminating the risk of accidental detonation caused by static electricity accumulation, electromagnetic interference, or accidental current leakage. When the male connector 42 is inserted, the mechanical structure drives the first pin 411 and the second pin 412 to disconnect, simultaneously establishing a reliable path with the controller 3, ensuring the system enters normal operating condition. This hardware-level protection method based on physical connection not only provides absolute safety during transportation and storage but also solves the technical defects of traditional software and hardware protection schemes, such as response delay and insufficient reliability, significantly improving the intrinsic safety level of the fire extinguishing bomb throughout its entire life cycle.

[0028] One possible approach is that the male connector 42 includes a first pin 421 and a second pin 422; When the male connector 42 is inserted into the three-pin female connector 41, the first pin 421 contacts either the first pin 411 or the third pin 413, and the second pin 422 contacts the other pin 411 or the third pin 413, thereby connecting the output port of the controller 3 to the first pin 411 and the third pin 413, forming an detonation control circuit.

[0029] By adopting the above technical solution, the male connector 42 structure, through the specific layout of the first pin 421 and the second pin 422, forms a reliable connection independent of polarity when docking with the female connector: when the male connector 42 is inserted, the first pin 421 automatically establishes contact with either the first pin 411 or the third pin 413, while the second pin 422 forms a path with the remaining pins, thereby ensuring that the output signal of the controller 3 can be uniformly applied to both ends of the detonation control line 21. This symmetrical connection design not only eliminates the risk of system failure due to incorrect insertion polarity, but also achieves synchronous activation of the working circuit and control signal through physical interlocking, further enhancing the connection reliability of the system in a combat environment. While ensuring ease of operation, this design provides dual redundancy for the establishment of the detonation control circuit, significantly improving the system's anti-interference capability and operational reliability in complex electromagnetic environments.

[0030] One possible approach is that the first pin 411 of the three-pin female connector 41 is connected to a flexible metal sheet 414; When the male connector 42 is not inserted, the elastic metal sheet 414 maintains contact with the second pin 412 under its own elastic force, so that the first pin 411 is connected to the second pin 412. When the male connector 42 is inserted, the elastic metal piece 414 disengages from the second pin 412 under the action of the first pin 421 or the second pin 422, thereby disconnecting the connection between the first pin 411 and the second pin 412.

[0031] When the female connector is inserted, the first pin 421 of the male connector 42 contacts the third pin 413 of the female connector, and the second pin 422 of the male connector 42 contacts the first pin 411 of the female connector, thereby connecting the output port of the controller 3 to the first and third pins 413 of the female connector via the male connector 42, forming an ignition control circuit.

[0032] By adopting the above technical solution, the elastic metal sheet 414 structure achieves automatic switching between safe and working states through mechanical elasticity: when the male connector 42 is not inserted, the elastic metal sheet 414 maintains reliable contact with the second pin 412 through its own elasticity, forming a stable short-circuit protection circuit to ensure the absolute safety of the fire extinguishing bomb in non-use state; when the male connector 42 is inserted, the mechanical pressure of the pin forces the elastic metal sheet 414 to separate from the second pin 412, simultaneously completing the release of the short-circuit connection and the establishment of the control circuit. This mechanical linkage design not only eliminates the risk of malfunction of the electronic switch, but also achieves millisecond-level response for safety protection and working mode switching, greatly improving the reliability of the system in emergency fire extinguishing scenarios. At the same time, through the specific contact cooperation between the male connector 42 pin and the female connector pin (the first pin 421 connects to the third pin 413, and the second pin 422 connects to the first pin 411), a complete detonation control circuit is directly constructed at the moment of insertion, further optimizing the system's connection efficiency and anti-interference performance.

[0033] Secondly, embodiments of this application provide a method for controlling the deployment of fire extinguishing bombs.

[0034] Reference Figure 4 The above method is used to control fire extinguishing bombs, as in the first aspect, and the method of deploying the fire extinguishing bombs is determined as follows: S10: Detection steps: After system initialization, detect whether a communication connection has been successfully established with external devices and obtain the currently set blasting height value.

[0035] In the embodiments provided in this application, the external device includes a drone control system or an external ranging module that establishes a communication connection with the controller 3 of the fire extinguishing bomb. If the communication connection is successful, the controller 3 receives the altitude parameters transmitted in real time by the external device through a serial communication interface (such as UART, CAN, or a wireless module); if the communication connection fails, the controller 3 calls the preset default blasting altitude value stored internally. This value can be preset locally and stored in non-volatile memory through a human-machine interface (such as a combination of buttons and digital tubes).

[0036] S20: Judgment step: Determine whether the blasting height value is valid, wherein a valid blasting height value must be within the preset blasting height threshold range; In the embodiments provided in this application, the blasting height value is preferably 30-50 meters.

[0037] S30: Execution steps: Based on the detection and judgment results, select and execute the corresponding blasting mode.

[0038] The intelligent mode-switching mechanism effectively solves the problems of existing fire extinguishing grenades having limited functionality and being unable to flexibly adapt to different combat platforms. The method autonomously selects between fixed-height blasting and fixed-delay blasting modes by detecting communication connection status and parameter validity: when communication is normal and parameters are valid, it acquires altitude data in real time and accurately calculates the delay time based on an adaptive algorithm to achieve optimal fire extinguishing effect; when communication is interrupted or parameters are abnormal, it automatically degrades to the fixed-delay mode to ensure basic functions, significantly improving the adaptability and mission completion rate of the fire extinguishing grenades in complex battlefield environments. This method upgrades traditional single-function fire extinguishing grenades into intelligent and controllable multi-mode combat units, greatly enhancing the robustness and reliability of the system while ensuring blasting accuracy.

[0039] Reference Figure 5 The methods for selecting the detonation mode for fire extinguishing bombs are as follows: S301: If the communication connection is successful and the blasting height value is valid, then enter the fixed-height blasting mode.

[0040] Reference Figure 6 The fire extinguishing bomb executes the fixed-height blasting mode as follows: S3011: Real-time acquisition of the drone's current altitude; S3012: When a disengagement signal is received, the current height value is saved as the deployment height; S3013: Based on the deployment height and the preset blasting height, the detonation delay time is automatically calculated using an adaptive calculation formula; S3014: Start the countdown and execute the fixed-height blast.

[0041] The fixed-altitude blasting mode acquires the drone's altitude in real time and locks the deployment altitude the moment it is unhooked. Combined with an adaptive calculation formula, it dynamically generates precise delay parameters, effectively solving the problem of traditional fixed-altitude blasting relying on continuous communication and achieving precise control triggered by a single communication.

[0042] S302: If the communication connection fails or the blasting height value is invalid, the system will automatically switch to the time-delay blasting mode.

[0043] Reference Figure 7 The fire extinguishing bomb executes the time-delay detonation mode as follows: S3021: Start the countdown based on the preset fixed delay time; S3022: Perform a time-delayed blasting.

[0044] The fault-tolerant mechanism that automatically switches to a fixed-delay detonation mode in case of communication failure or invalid parameters ensures the basic combat capability of the fire extinguishing grenade under extreme conditions through dual-mode redundancy. This intelligent mode-switching strategy not only significantly improves the adaptability of the fire extinguishing grenade to different UAV platforms, but also achieves a balance between detonation accuracy and system reliability through software algorithm optimization.

[0045] One possible approach is that the method also includes a security determination step: In fixed-height blasting mode, when a decoupling signal is received, if the real-time drop height is lower than the preset drop height safety threshold, the height is deemed invalid, and the system forcibly switches from fixed-height blasting mode to fixed-delay blasting mode and starts a fixed delay countdown of not less than 1 second.

[0046] In the embodiments provided in this application, the safety determination step effectively addresses the risk of low-altitude detonation caused by UAV ranging errors, communication interference, or operational mistakes by real-time monitoring of the logical relationship between the deployment altitude and a preset safety threshold. When the system detects that the real-time altitude is below the safety threshold, it immediately triggers a forced mode switching mechanism, seamlessly switching from a fixed-altitude detonation mode to a fixed-delay detonation mode, and initiating a fixed delay countdown of no less than 1 second. This tiered safety strategy not only prevents equipment damage or fire escalation that may result from the detonation of the fire extinguishing projectile at dangerous low altitudes, but also ensures a safe separation distance between the projectile and the carrier aircraft through a preset minimum delay, significantly improving the system's fault tolerance and overall reliability in complex combat environments. This design embodies the concept of collaborative hardware and software protection, providing multiple safety guarantees for intelligent fire extinguishing equipment.

[0047] Thirdly, this application provides a fire extinguishing projectile-related device, which is applied to the fire extinguishing projectile of the first aspect. The related device includes a radar rangefinder or a dispenser with communication function. The related device is connected to the serial communication interface of the fire extinguishing projectile's controller 3 to provide real-time altitude data to the fire extinguishing projectile so that the fire extinguishing projectile can execute a fixed-altitude blasting mode.

[0048] Fourthly, this application provides a drone that is used in the fire extinguishing bomb of the first aspect. The drone establishes a wired and / or wireless communication connection with the controller 3 of the fire extinguishing bomb to provide real-time altitude data to the fire extinguishing bomb, receive status information and transmit control commands so that the fire extinguishing bomb can execute a fixed-altitude blasting mode.

[0049] The foregoing has described specific embodiments of the present invention. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps described in the claims may be performed in a different order than that shown in the embodiments and still achieve the desired results. Furthermore, the processes depicted in the drawings do not necessarily require a specific or sequential order to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0050] In the description of the embodiments of this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present utility model. In the embodiments of this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in the embodiments of this utility model, as well as the features of the different embodiments or examples.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of embodiments of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0052] Any process or method described in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more executable instructions for implementing custom logic functions or processes, and the scope of preferred embodiments of the present invention includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order according to the functions involved, as should be understood by those skilled in the art to which embodiments of the present invention pertain.

[0053] Depending on the context, the word "if" as used here can be interpreted as "when," "when," "in response to determination," or "in response to detection." Similarly, depending on the context, the phrase "if determination" or "if detection (of the stated condition or event)" can be interpreted as "when determination," "in response to determination," "when detection (of the stated condition or event)," or "in response to detection (of the stated condition or event)."

[0054] It should be noted that the terminals involved in the embodiments of this utility model may include, but are not limited to, personal computers (PCs), personal digital assistants (PDAs), wireless handheld devices, tablet computers, mobile phones, MP3 players, MP4 players, etc.

[0055] In the several embodiments provided in this utility model, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual couplings, direct couplings, or communication connections may be through some interfaces; indirect couplings or communication connections between devices or units may be electrical, mechanical, or other forms.

[0056] Furthermore, in the various embodiments of this utility model, the functional units can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or in the form of hardware plus software functional units.

[0057] The integrated unit implemented as a software functional unit described above can be stored in a computer-readable storage medium. This software functional unit, stored in a storage medium, includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute some steps of the methods described in the various embodiments of this utility model. The aforementioned storage medium includes various media capable of storing program code, such as a USB flash drive, a portable hard drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0059] In the description of this utility model, it should be understood that the terms "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

Claims

1. A fire extinguishing bomb, wherein the fire extinguishing bomb is delivered to the fire location by a drone and detonated, characterized in that, The fire extinguishing bomb also includes: cylindrical body; A central tube is placed inside the cylinder, and a material placement cavity is provided inside the central tube and an ignition control line is led out from it. A controller, located inside the cylinder, is used to connect to the drone via a wired and / or wireless connection. A redundant protection socket, one end of which is connected to the control port of the detonation control line and the other end of which is connected to the output port of the controller, so as to connect or disconnect the connection between the controller and the detonation control line; The detonation control line includes a first control line and a second control line, and when the redundant protection socket is in the protected state, the first control line and the second control line are short-circuited.

2. The fire extinguishing bomb according to claim 1, characterized in that, The redundant protection socket includes a three-pin female connector and a male connector; The three-pin female connector includes: a first pin, a second pin, and a third pin; The first pin is connected to either the first control line or the second control line, and the third pin is connected to the other of the first control line and the second control line. The second pin and the third pin are fixedly connected. One end of the male connector is connected to the output port of the controller, and the other end is used to insert into the three-pin female connector; When the male connector is not inserted, the first pin and the second pin are automatically connected, short-circuiting the first control line and the third control line. When the male connector is inserted, the first pin and the second pin are disconnected, forming a path with the controller.

3. The fire extinguishing bomb according to claim 2, characterized in that, The male connector includes a first pin and a second pin; When the male connector is inserted into the three-pin female connector, the first pin contacts either the first pin or the third pin, and the second pin contacts the other of the first pin and the third pin, thereby connecting the controller's output port to the first pin and the third pin to form a detonation control loop.

4. The fire extinguishing bomb according to claim 3, characterized in that, The first pin of the three-pin female connector is connected to a flexible metal sheet; When the male connector is not inserted, the elastic metal sheet remains in contact with the second pin under its own elastic force, so that the first pin is connected to the second pin; When the male connector is inserted, the elastic metal sheet disengages from the second pin under the action of the first or second pin, thereby disconnecting the connection between the first and second pins. When the female connector is inserted, the first pin of the male connector contacts the third pin of the female connector, and the second pin of the male connector contacts the first pin of the female connector, thereby connecting the output port of the controller to the first and third pins of the female connector via the male connector, forming an ignition control circuit.

5. A drone, characterized in that, The drone is used in the fire extinguishing bomb according to any one of claims 1 to 4. The drone establishes a wired and / or wireless communication connection with the controller of the fire extinguishing bomb to provide real-time altitude data to the fire extinguishing bomb, receive status information and transmit control commands so that the fire extinguishing bomb can perform a fixed-altitude blasting mode.

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