CN215177315U

CN215177315U - Novel detonator for rocket fire extinguishing bomb

Info

Publication number: CN215177315U
Application number: CN202121153430.9U
Authority: CN
Inventors: 刘诗莉
Original assignee: Changsha Jiuxiang Electromechanical Technology Co ltd
Current assignee: Changsha Jiuxiang Electromechanical Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-14
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a novel rocket shell detonator of putting out a fire, install the detonator at the shell part of putting out a fire including the shell body of putting out a fire and screw thread fixed mounting, the detonator includes hood, radio detector, body, wiring circuit board, insurance and initiating device, master control circuit, electricity-receiving ring, insulation board, the hood is used for detonator head rectification, through screw thread and this body coupling, the body passes through the screw thread and puts out a fire shell body coupling, radio detector passes through the epoxy glue fixed bonding on the body, the wiring circuit board passes through the fix with screw on the body, and its circuit that inserts radio detector, insurance and initiating device and master control circuit respectively, insurance and initiating device pass through the fix with screw on the insulation board, electricity-receiving ring and rocket shell electric connection of putting out a fire realize electric and signal communication. The fire extinguishing bomb is fixed in height, the bin is opened, the fire extinguishing agent is thrown, the self-destruction function is achieved, and the conventional safety function is met.

Description

Novel detonator for rocket fire extinguishing bomb

Technical Field

The utility model relates to a rocket fire extinguishing bomb field especially relates to a novel rocket fire extinguishing bomb detonator.

Background

The fire is a large enemy of grassland, forest and high-rise buildings, and is a killer with life and property safety and environmental protection. Generally, a short-distance fire is easy to extinguish, and for a large-area and long-distance fire, because fire fighters cannot approach a fire point or a fire area, people cannot be restrained in front of the fire. At present, fire extinguishing measures for large-area or long-distance fires in the world mainly adopt a method of spraying a chemical fire extinguishing agent by an airplane to extinguish the fire, and have the defects of poor effect and high cost. Based on the design of rocket fire extinguishing bombs by researchers, the existing rocket fire extinguishing bombs on the market mostly adopt a ground contact collision and explosion mode to throw fire extinguishing agents, the coverage area for throwing the fire extinguishing agents is small, and the fire extinguishing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of fire extinguishing in forests, and aims to design and develop a novel detonator for a rocket fire extinguishing bomb to replace the traditional artificial fire extinguishing mode. The fire wall is rapidly suppressed by implementing rapid fire extinguishing, meanwhile, effective fire extinguishing is carried out on the area which cannot be reached by personnel, and the fire wall has an important effect on forest fire extinguishing at the present stage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel rocket fire extinguishing bomb fuze, includes hood, radio detector, body, wiring circuit board, insurance and initiating device, main control circuit, connects electric ring, insulation board, the hood is used for fuze head rectification, through screw thread and this body coupling, the body passes through the screw thread and is connected with the fire extinguishing bomb body, radio detector passes through the epoxy glue fixed bonding on the body, the wiring circuit board passes through the fix with screw on the body, and its circuit that inserts radio detector, insurance and initiating device and main control circuit respectively, insurance and initiating device pass through the fix with screw on the insulation board, connect electric ring and rocket fire extinguishing bomb electric connection, realize electric and signal communication.

As a further improvement of the above technical solution:

the power receiving ring is fixed on the insulating plate through screws, the power receiving ring is in electrical signal connection with the main control circuit through a wire, and the insulating plate is fixed on the body through screws.

The main control circuit comprises a frequency selection network, a detection circuit, a demodulation circuit, a controller, a load feedback control circuit, a feedback information modulation circuit, an AC-DC module, an energy storage element, a power supply management circuit, a pin pulling driver, a timer, a blocking control circuit, a self-destruction circuit, an ignition driver and a muzzle environment detection circuit.

The radio detector comprises a transceiving chip, a modulation circuit, a control circuit, an intermediate frequency circuit, a secondary mixing module and a signal processing module.

The electric connection rings are two copper rings, and the two copper rings of the electric connection rings are in contact with two contacts of the fire extinguishing bomb body to realize connection of electric signals.

A super capacitor is arranged in the body and connected with a main control circuit.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a novel rocket fire extinguishing bomb detonator has realized fire extinguishing bomb height-fixing opening warehouse through setting up master control circuit, radio detector and insurance and initiating device and has shed the fire extinguishing agent, has the self-destruction function simultaneously, satisfies conventional safety function.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a main control circuit according to the present invention;

fig. 3 is a schematic diagram of the radio detector of the present invention.

Reference numerals: 1. a hood; 2. a radio detector; 3. a body; 4. a wiring circuit board; 5. a fuse and detonation device; 6. a master control circuit; 7. a power connection ring; 8. an insulating plate; 11. a super capacitor; 12. and (4) epoxy glue.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the novel rocket fire extinguishing bomb fuse of the embodiment includes a blast cap 1, a radio detector 2, a body 3, a wiring circuit board 4, a safety and initiation device 5, a main control circuit 6, an electric connection ring 7 and an insulating board 8; the detonator is fixedly arranged at the head of the rocket fire extinguishing bomb generally through threads, and is electrically and signal connected with the rocket fire extinguishing bomb through the power-on ring 7, the main functions are wireless height setting and self-destruction, the detonator is locked in timing mode, a programmable loading and locking mode is adopted, the timing zero utilizes an out-of-chamber strong magnetic environment, the power supply adopts super-capacitor energy storage, and the charging, loading and discharging functions are realized in a two-wire mode.

The blast cap 1 is used for fuse head rectification and is connected with the body 3 through threads; the body 3 is the installation structure spare of detonator, provides the installation interface for the functional unit of detonator, is connected with the fire extinguishing bomb body through the screw thread.

The radio detector 2 is a key functional part of a fuse and is used for realizing high-precision height measurement, a constant-amplitude continuous wave radio with the transmitting signal frequency changing according to the modulation signal rule is adopted, the height measurement does not depend on the strength of the target electromagnetic wave reflecting capacity, the distance is determined by utilizing difference frequency information, the distance determination precision is higher, the anti-interference capacity is strong, and the radio detector occupies a very important position in a radio detection system. And is fixedly bonded on the body 3 through epoxy glue 12.

The wiring circuit board 4 is fixed on the body 3 through screws, and is an electrical connection switching interface of circuit devices, and is respectively connected with the circuits of the radio detector 2, the safety and detonation device 5 and the main control circuit 6. The wiring circuit board 4 is fixed to the body 3 by screws.

The safety and initiation device 5 adopts a standard modular product, and the safety and initiation device has the functions of providing safety under service conditions and executing the ignition signal of the main control circuit 6 to realize the function of opening the chamber of the rocket projectile for ignition. The safety and initiation device 5 is fixed on the insulating plate 8 through screws and is in electrical signal connection with the wiring circuit board 4 through a connector.

The electric connection rings 7 are two copper rings, and after the fuse is connected with the rocket fire extinguishing bomb body, the two copper rings connected with the electric connection rings 7 are contacted with two contacts of the rocket fire extinguishing bomb body to realize the connection of electric signals. The power connection ring 7 is fixed on the insulating plate 8 through a screw, and the power connection ring 7 is in electrical signal connection with the main control circuit 6 through a lead. The insulating plate 8 is fixed to the body 3 by screws.

The main control circuit 6 comprises a frequency selection network, a detection circuit, a demodulation circuit, a controller, a load feedback control circuit, a feedback information modulation circuit, an AC-DC module, an energy storage element, a power supply management circuit, a pin pulling driver, a timer, a blocking control circuit, a self-destruction circuit, an ignition drive and a muzzle environment detection circuit. The fire extinguishing bomb has the following functions: the device comprises a charging function, a setter communication function, a power management function, a muzzle insurance signal detection function and a ballistic sequence control function.

The radio detector 2 comprises a transceiving chip, a modulation circuit, a control circuit, an intermediate frequency circuit, a secondary mixing module and a signal processing module.

The electric connection ring 7 is two copper rings, and the two copper rings connected with the electric connection ring 7 are contacted with two contacts of the fire extinguishing bomb body to realize the connection of electric signals.

A super capacitor 11 is arranged in the body 3, and the super capacitor 11 is connected with the main control circuit 6.

The utility model discloses a theory of operation:

in the launching process, the fuse and initiation device 5 releases the first fuse under the continuous launching overload action, when the fuse main control circuit 6 detects a signal leaving a muzzle, a second fuse releasing instruction is output, meanwhile, the main control circuit 6 starts blocking timing, then the fuse and initiation device 5 releases the second fuse and starts a firing alignment sequence, and after the firing alignment sequence is aligned, the fuse is in a to-be-launched state.

When the timing circuit of the main control circuit 6 counts the set blocking time, the main control circuit 6 releases the blocking of the radio detector 2, so that the radio detector 2 works normally.

When the ground distance detected by the radio detector 2 reaches a preset value, the radio detector 2 sends out an initiation signal, and an ignition driver is started through the safety and initiation device 5 to drive a firing sequence to realize the fixed-height bin opening function.

If the radio detector 2 fails, the self-destruction circuit of the main control circuit 2 sends out an initiation signal, and the self-destruction function is realized through the action of a firing sequence driven by an ignition driver of the safety and initiation device 5.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A novel detonator for a rocket fire extinguishing bomb is characterized in that: comprises an air cap (1), a radio detector (2), a body (3), a wiring circuit board (4), a safety and detonation device (5), a main control circuit (6), a power connection ring (7) and an insulating board (8), wherein the air cap (1) is used for fuse head rectification, is connected with the body (3) through screw threads, the body (3) is connected with the fire extinguishing bomb body through screw threads, the radio detector (2) is fixedly adhered to the body (3) through epoxy glue (12), the wiring circuit board (4) is fixed on the body (3) through screws, which are respectively connected with the circuits of a radio detector (2), a safety and detonation device (5) and a main control circuit (6), the safety and initiation device (5) is fixed on the insulating plate (8) through screws, the power connection ring (7) is electrically connected with the rocket fire extinguishing bomb to realize electrical and signal communication.

2. A novel rocket projectile detonator as claimed in claim 1, wherein: the power receiving ring (7) is fixed on the insulating plate (8) through screws, the power receiving ring (7) is connected with the main control circuit (6) through a wire in an electrical signal mode, and the insulating plate (8) is fixed on the body (3) through screws.

3. A novel rocket projectile detonator as claimed in claim 2, wherein: the main control circuit (6) comprises a frequency selection network, a detection circuit, a demodulation circuit, a controller, a load feedback control circuit, a feedback information modulation circuit, an AC-DC module, an energy storage element, a power management circuit, a pin pulling driver, a timer, a blocking control circuit, a self-destruction circuit, an ignition drive circuit and a muzzle environment detection circuit.

4. A novel rocket projectile detonator as claimed in claim 3, wherein: the radio detector (2) comprises a transceiving chip, a modulation circuit, a control circuit, an intermediate frequency circuit, a secondary mixing module and a signal processing module.

5. A novel rocket projectile detonator as claimed in claim 4, wherein: the electric connection rings (7) are two copper rings, and the two copper rings of the electric connection rings (7) are in contact with two contacts of the fire extinguishing bomb body to realize connection of electric signals.

6. A novel rocket projectile detonator as claimed in claim 5, wherein: a super capacitor (11) is arranged in the body (3), and the super capacitor (11) is connected with the main control circuit (6).