CN209570089U - A self-destruction device based on in-line fuze - Google Patents

Abstract

The utility model discloses a self-destruction device based on an in-line fuze, which comprises a mounting plate and an in-line detonating device, the in-line detonating device is fixedly connected with the mounting plate, and the mounting plate is fixedly connected with a mine shielding plate; the in-line detonating device includes The battery assembly, sensor module, all-electronic logic assembly and switch assembly arranged in the first casing, and the high-voltage detonation module, shock plate detonator and energy-concentrating detonator arranged in the second casing; the first casing and the second casing Body fixed connection. The utility model applies the in-line explosion sequence technology to the underwater weapon self-destruction device. When the underwater weapon does not meet the predetermined conditions or exceeds the service time during the service period, the self-destruct device is activated to realize the safe detonation of the underwater weapon and improve the performance of the drill or actual combat. Safety, to ensure the safety of technical services.

Description

A self-destruction device based on in-line fuze

technical field

The utility model relates to the field of weapons engineering, in particular to a self-destruction device based on an in-line fuze.

Background technique

At present, self-destruct technology is widely used in missiles, underwater weapons, unmanned aerial vehicles and reconnaissance systems, storage devices and key chips, information transmission and communications and other fields.

There are many types of self-destruct devices and systems, including data destruction by means of data rewriting, magnetic destruction, key destruction, etc., high-voltage circuit setting or over-current operation to burn circuits, use of strong acid to destroy chips, detonating micro-bombs to blow up chips, etc. method.

In the field of weapon engineering, mechanical self-destruct devices and electronic self-destruct devices are generally used. Among them, electronic self-destruct technology mainly uses dedicated IC integrated circuits or micro-power single-chip microcomputer self-destruct devices, and uses preset software programs to control mines and realize self-destruction. Destruction, and can set the specific parameters of the software to achieve real-time self-destruction or delayed self-destruction; while the mechanical self-destruction device destroys the electronic chip by physical damage.

The above two self-destruct devices are both installed inside the weapon and integrated with the weapon. The structure is complex and the installation is inconvenient. During use, the power supply must be kept on. When the predetermined conditions are not met or the service time is exceeded, artificial Self-destruction can only be achieved by activating the self-destruction device.

Contents of the invention

In order to overcome the defects in the background technology, the purpose of this utility model is to provide a self-destruction device based on an in-line fuze, which mainly uses the self-destruction device to be installed on the outside of the underwater weapon to facilitate disassembly and installation. The self-destruction device is an in-line detonating device with its own power supply and independent insurance. It has no electrical cross-linking with the weapon in the raw water, and has no impact on the function and performance of the weapon in the raw water.

In order to achieve the above object, the technical solution adopted by the utility model is: a self-destruct device based on an in-line fuze, including a mounting plate and an in-line detonating device, the in-line detonating device is fixedly connected to the mounting plate, and the mounting plate It is fixedly connected with the mine shielding plate;

The in-line detonating device includes a first housing, a second housing, a switch assembly and a battery assembly electrically connected to the switch assembly, the battery assembly is electrically connected to the sensor module and the full electronic logic assembly, the sensor module and All electronic logic components are electrically connected to the high-voltage detonation module, the high-voltage detonation module is electrically connected to the shock plate detonator, and the shock plate detonator is electrically connected to the energy-gathering detonator tube;

The switch assembly, battery assembly, sensor module and full electronic logic assembly are all arranged in the first housing;

The high-voltage detonation module, the shock plate detonator and the energy-concentrating detonator are all arranged in the second shell;

The first shell is fixedly connected with the second shell.

In the above solution, the switch assembly includes an authorization key hole and an azimuth delay switch, one end of the authorization key hole is located in the first casing, and the other end is flush with the through hole on the first casing.

In the above solution, the sensor is an attitude sensor, which is respectively used to perceive two different environmental forces of the underwater weapon.

In the above solution, the all-electronic logic component includes a full-electronic safety power supply circuit, a safety logic module, a self-destruction time presetter and an A/S status display module;

The all-electronic safety power supply circuit supplies power for low-voltage electronic circuits;

The safety logic module uses two CPLDs as the core to form a hardware logic circuit to identify two different physical types of environmental stresses sensed by the sensor module when weapons are deployed in the water;

The self-destruct time presetter is used to receive and store preset parameters;

The A/S state display module is used to visually judge the safety and disarming state of the self-destruct device;

The safety logic module, the self-destruction time presetter and the A/S status display module are all electrically connected with the full electronic safety power supply circuit.

Compared with the prior art, the utility model has the beneficial effects as follows: (1) the in-line explosion sequence technology is applied to the self-destruct device of the underwater weapon, and the self-destruct device fails to reach the predetermined condition or exceeds the service time during the service period of the underwater weapon. Start to realize the safe detonation of underwater weapons, improve the safety in exercises or actual combat, and ensure the safety of technical services; (2) The self-destruct device of the in-line fuze of the utility model can work independently with power supply, and has no electrical cross-linking with the original underwater weapons , does not have any influence on the function and performance of the original weapon in water; (3) the self-destruct device of the in-line fuze of the utility model is installed with the underwater weapon through the hole seat, the overall device structure is independent, has no influence on the original weapon, and is easy to install; (4) The self-destruct device is based on the Markov principle, and different environmental forces are selected for combination, which greatly improves the safety failure rate of the device as a whole; (5) The device is independent, so it is more scalable. With the development of weapons, the self-destruct device is not only applied to underwater weapons, but will be extended to more weapons.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the self-destruct device of the utility model in-line fuze;

Fig. 2 is a structural schematic diagram of the in-line detonating device of the present invention;

Fig. 3 is the exploded schematic view of the in-line detonating device of the present invention;

Fig. 4 is a schematic diagram of installation of the utility model;

Fig. 5 is a schematic diagram of the all-electronic logic assembly of the utility model.

In the figure: 1. Mounting plate; 2. Inline detonating device; 2.1. First shell; 2.2. Switch assembly; 2.2a. Authorized key hole; 2.3. Battery assembly; 2.4. Sensor module; 2.5. Full electronic logic assembly ;2.5a, full electronic safety power supply circuit; 2.5b, safety logic module; 2.5c, self-destruction time presetter; 2.5d, A/S status display module; 2.6, high-voltage detonation module; . Energy-gathering storm tube; 2.9. The second shell; 3. Mine shield; 4. Threaded hole.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail

As shown in Figures 1 to 4, a self-destruct device based on an in-line fuze provided for this implementation includes a mounting plate 1 and an in-line detonating device 2. The mounting plate 1 is connected to the mine drug retaining plate 3 by screws, and the in-line detonation The device 2 is screwed to the mounting plate 1;

The in-line detonating device 2 includes a first housing 2.1, a second housing 2.9, a switch assembly 2.2 and a battery assembly 2.3 electrically connected to the switch assembly 2.2, the battery assembly 2.3 is electrically connected to the sensor module 2.4 and the full electronic logic assembly 2.5 respectively, Both the sensor module 2.4 and the all-electronic logic component 2.5 are electrically connected to the high-voltage detonation module 2.6, the high-voltage detonation module 2.6 is electrically connected to the shock detonator 2.7, and the shock detonator 2.7 is electrically connected to the energy-concentrating detonator 2.8;

The switch assembly 2.2, the battery assembly 2.3, the sensor module 2.4 and the full electronic logic assembly 2.5 are all arranged in the first casing 2.1;

The high-voltage detonator module 2.6, the shock plate detonator 2.7 and the concentrated energy detonator 2.8 are all arranged in the second housing 2.9, and the shock plate detonator 2.7 is arranged between the concentrated energy detonator 2.8 and the high-pressure detonator module 2.6;

The first housing 2.1 is fixedly connected with the second housing 2.9.

Wherein, the switch assembly 2.2 includes an authorization key hole 2.2a and an azimuth delay switch (not shown in the figure), one end of the authorization key hole 2.2a is located in the first housing 2.1, and the other end is connected to the through hole on the first housing 2.1 Flat, authorized key hole 2.2a has a mechanical safety pin, pull out the safety pin and take it back when in use; when the safety pin is pulled out, the battery assembly 2.3 starts to supply power to the sensor module 2.4 and the full electronic logic assembly 2.5, and the azimuth extension When the time switch (not shown in the figure) satisfies the environmental force, the switch is closed after delaying the set time to supply power to the entire self-destruct device.

Among them, the sensor module 2.4 is composed of two independent attitude sensors, which are respectively used to perceive two different environmental forces of the underwater weapon.

As shown in Figure 5, the all-electronic logic component 2.5 is composed of a full-electronic safety power supply circuit 2.5a, a safety logic module 2.5b, a self-destruct time presetter 2.5c and an A/S status display module 2.5d, and the safety logic module 2.5b , the self-destruction time presetter 2.5c and the A/S status display module 2.5d are all electrically connected with the full electronic safety power supply circuit 2.5a; the full electronic safety power supply circuit 2.5a supplies power for the low-voltage electronic circuit; The chip CPLD is the core to form a hardware logic circuit, which is used to identify the deployment of underwater weapons. The sensor module 2.4 perceives two different physical types of environmental stress and judges whether it meets the predetermined criterion, so as to control the safety of the safety circuit according to the judgment result. At the same time, the hardware logic circuit also completes the output of timing inter-calibration and detonation instructions; the self-destruct time presetter 2.5c is used to receive and store preset parameters; the A/S status display module 2.5d is used for intuitive judgment Safe and disarmed states of self-destruct devices.

When installing the self-destruction device of the present utility model, earlier the screw on the mine drug retaining plate 3 is unloaded, and the mounting plate 1 is fixed through the operation hole with a special screw, and the in-line detonating device 2 is screwed on after the mounting plate 1 is fixed. In the threaded hole 4 of the mounting plate 1.

The detonation process of the self-destruct device is as follows: when in use, the mechanical safety pin on the authorized keyhole 2.2a is pulled out and retracted, and after the authorized keyhole 2.2a takes effect, the battery assembly 2.3 starts to supply power for the sensor module 2.4 and the full electronic logic assembly 2.5, At this moment, when the azimuth delay switch (not shown in the figure) satisfies the environmental force, the switch will be closed after delaying the set time to supply power to the entire self-destruct device, and the full electronic logic component 2.5 will be activated after power-on, self-destruct After the time presetter 2.5c runs to the set time, the A/S status display module 2.5d will display the self-destruct device disarming state, and when the high-voltage detonation module 2.6 receives the detonation instruction of the safety logic module 2.5b, it will send a fire capacitor Charge and store energy, generate power pulse output, detonate the shock plate detonator 2.7, and then detonate the energy-concentrated detonator tube 2.8, thereby detonating the main charge of the mine and realizing self-destruction.

The above are only embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent process transformation made by using the content of the specification of the utility model, or directly or indirectly applied to other related technical fields, is included in the same principle. Within the scope of patent protection of the utility model.

Claims (4)

1. A self-destruct device based on an in-line fuze, characterized in that: comprise a mounting plate (1) and an in-line detonator (2), the in-line detonator (2) is fixedly connected with the mounting plate (1), The mounting plate (1) is fixedly connected with the mine drug baffle (3); The in-line detonating device (2) comprises a first casing (2.1), a second casing (2.9), a switch assembly (2.2) and a battery assembly (2.3) electrically connected to the switch assembly (2.2), the battery The components (2.3) are respectively electrically connected to the sensor module (2.4) and the full electronic logic component (2.5), and both the sensor module (2.4) and the full electronic logic component (2.5) are electrically connected to the high-voltage detonation module (2.6), and the The high-voltage detonation module (2.6) is electrically connected to the shock plate detonator (2.7), and the shock plate detonator (2.7) is electrically connected to the energy-concentrated detonator (2.8); The switch assembly (2.2), the battery assembly (2.3), the sensor module (2.4) and the full electronic logic assembly (2.5) are all arranged in the first casing (2.1); The high-pressure detonation module (2.6), the shock plate detonator (2.7) and the energy-concentrated detonator (2.8) are all arranged in the second casing (2.9); The first casing (2.1) is fixedly connected with the second casing (2.9). 2. The self-destruct device based on the in-line fuze according to claim 1, characterized in that: the switch assembly (2.2) includes an authorization keyhole (2.2a) and an azimuth delay switch, and the authorization keyhole (2.2a) a) One end is located in the first housing (2.1), and the other end is flush with the through hole on the first housing (2.1). 3. The self-destruct device based on the in-line fuze according to claim 1, characterized in that: the sensor module (2.4) is composed of two independent attitude sensors, which are respectively used to perceive two different environmental forces of underwater weapons . 4. The self-destruct device based on in-line fuze according to claim 1, characterized in that: the all-electronic logic assembly (2.5) includes a full-electronic safety power supply circuit (2.5a), a safety logic module (2.5b), Self-destruct time presetter (2.5c) and A/S status display module (2.5d); The all-electronic safety power supply circuit (2.5a) supplies power for low-voltage electronic circuits; The safety logic module (2.5b) takes 2 CPLDs as the core to form a hardware logic circuit to identify two different physical types of environmental stresses sensed by the sensor module (2.4) when weapons are deployed in water; The self-destruct time presetter (2.5c) is used to receive and store preset parameters; The A/S state display module (2.5d) is used to visually judge the safety and disarming state of the self-destruct device; The safety logic module (2.5b), the self-destruction time presetter (2.5c) and the A/S state display module (2.5d) are all electrically connected to the full electronic safety power supply circuit (2.5a).