221results about "Electric fuzes" patented technology

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

The invention provides an intelligent simulation training bomb for ground attack of an unmanned aerial vehicle. The training bomb comprises a bomb body, a thrust reverser, a fairing, a mounting frame, a smoke tank and a control module. Wherein a gas cabin is arranged in the bomb body, and the thrust reverser is composed of an electromagnetic valve and a multi-way pipe. The mounting frame integrates a fuming tank, a control module and a motion sensing module, and the control module calculates the falling speed, the grounding time and the position coordinates in real time based on data of all sensors of the motion sensing module so as to control the electromagnetic valve to be opened, so that compressed gas in the gas cabin is ejected from a reverse thrust gas opening in the circumferential direction of the fairing through the multi-way pipe; in combination with deformation buffering of the fairing made of an elastic material, nondestructive recovery of the training bomb is achieved, and repeated use is facilitated. And meanwhile, the fuming tank is controlled to trigger and release tracing smoke, so that an impact point is marked, and parameters such as latitude and longitude during landing are sent to a ground guide training system to serve as an evaluation basis of throwing precision.

The technology subject of the present application generally concerns an aerial munition unit comprising a proximity fuze functionality and an impact fuze functionality, selectable by a crew member of an aircraft bearing the munition, after the aircraft has taken off and prior to munition release, to render active or operable the proximity fuze functionality or the impact fuze functionality.

The utility model relates to an unmanned aerial vehicle air-drop simulation training bomb, which comprises a touch switch, a fuse, a warhead and an empennage, and is characterized in that the warhead is filled with explosives; the touch switch is fixedly arranged at one end of the fuze, the end, away from the touch switch, of the fuze is fixedly connected with the warhead, and the end, away from the fuze, of the warhead is fixedly connected with the empennage; the touch switch is coupled with a time delay circuit for delaying the trigger fuze; the fuse is provided with an electric detonator interface, and the electric detonator interface is coupled with the time delay circuit. According to the invention, trainees can better master the specific time efficiency of unmanned aerial vehicle air-drop ammunition percussion detonation in training, and the training effect is improved.

The invention provides a design method of an electric firing control circuit of a launcher. The launcher is provided with a firing fuse, a secondary firing handle and a firing coil. The control circuit comprises a percussion signal acquisition circuit, a microcontroller and a percussion coil driving circuit. The percussion signal acquisition circuit adopts a four-channel differential line receiver to receive two-stage percussion differential signals of a two-stage percussion handle and one-path differential signals of a percussion fuse, and converts the three paths of differential signals into three paths of high-low level signals, and a microcontroller acquires the three paths of high-low level signals, modulates the three paths of high-low level signals and outputs the modulated high-low level signals to a percussion coil driving circuit; the firing coil driving circuit outputs a firing control signal to the high-power MOS tube after firing arbitration, the high-power MOS tube outputs a driving signal to the firing coil, and the firing coil controls the electromagnet to attract so as to pull the trigger of the launcher, so that the electric firing control of the launcher is realized. The system is simple in design, flexible in control, higher in safety and wider in applicability.

Apparatus and associated methods relate to an Aerial Munitions Loading and Delivery System (LBDS) configured to be mounted on an unmanned aerial platform, the LBDS having a munition holding unit including: a lever engaging frame configured to engage a interlock engagement frame of a fused munition, and a spring-loaded pin coupled to a top end of the munition configured to vertically support the munition, wherein, when the munition is loaded into the LBDS, the lever engaging frame includes an aperture configured to allow access to a safety pin of the munition. The lever engaging frame and the spring-loaded pin may, for example, exert a force in opposite directions along a horizontal axis to deactivate the munition, such that the safety pin can be removed without activating the munition.

The invention discloses a modularized series all-electronic fuse which comprises a safety system control module, a preceding-stage boosting detonating module, a main-stage delay detonating module and a DC-DC power source. The frequency and the duty ratio of the dynamic pulse signal are detected in real time, and a control signal is output in real time by isolating a feedback voltage signal to control boosting of the pulse transformer and realize high-voltage and stable-voltage output. The two-stage static switch of the preceding stage is placed in a rear-stage safety system, the first-stage safety and the second-stage safety are removed by depending on rear-stage sensitive environment information, and the ground and the power supply of the high-voltage conversion circuit of the preceding stage fuse are positively connected respectively; the dynamic switch is placed in the preceding-stage high-voltage conversion module, the third-stage insurance of the preceding stage is relieved by depending on the low-voltage dynamic frequency signal transmitted by the backward stage, the signal transmission is an alternating pulse signal, the anti-interference capability is strong, the signal form of a logic control device is not depended, and the universality is better; the front-stage detonating module can become a universal detonating module and can be applied to detonating control design of different weapon platforms and civil electronic detonators.

The safety device comprises a sliding seat and a cover plate, an electric ignition head is arranged at the bottom of the sliding seat, and the electric ignition head is connected into a circuit; a cavity is formed between the cover plate and the sliding seat, and a sliding part capable of sliding along the cavity is arranged in the cavity; a locking mechanism is installed in the cavity, and sliding of the sliding component is locked through the locking mechanism. The sliding member shorts the circuit, and when the sliding member slides, the sliding member is disconnected from the circuit. According to the device, sliding of the sliding component is controlled through the locking mechanism, it is ensured that the sliding component cannot slide accidentally when locking is not unlocked, and therefore a circuit is in a short-circuit state continuously, and the safety of the device is improved; through short circuit between the sliding part and the circuit, the state change of converting the circuit from short circuit to conduction is bound with the sliding of the sliding part, so that the conduction state of the circuit can be controlled through the locking mechanism.

The embodiment of the invention relates to the technical field of circuits, and discloses a detonation control circuit and method, a circuit board assembly and electronic equipment, and the circuit comprises an enabling circuit, a boost power supply, a detection circuit, an electronic switch, an electronic fuse and a drive circuit. The first output end of the boost power supply is connected with the detection circuit and the first end of the electronic switch. The drive circuit output end is connected with the electronic switch control end; a second end of the electronic switch is connected with a first end of the electronic fuse; a second end of the electronic fuse is connected with a second output end of the boost power supply; the detection circuit sends a target voltage to the processor, the processor sends a detonation signal to the driving circuit under the condition that the target voltage is greater than a preset value, and the driving circuit sends a driving signal to the electronic switch; the electronic switch is switched on under the condition that the driving signal is received and the target voltage is greater than a preset value; the electronic fuse is detonated under the condition that the electronic switch is switched on; therefore, the anti-interference capability and the integration degree are improved.

An energy harvesting system 60 comprises a transducer 100 arranged to provide an output signal in response to being deformed by an applied force, and a structure 300 in mechanical communication with the transducer. The structure is arranged to cause deformation of the transducer and comprises a first portion 310, a second portion 320 in contact with the transducer, and one or more third portions 330 connecting the first and second portions. The one or more third portions comprise one or more curved arms. The first portion may be centrally located in the structure and the second portion may be provided around the first portion. The first portion may be rotatable relative to the second portion and may be a shaft or hub. The third portion(s) may vary or taper towards the second portion. The transducer may be piezoelectric or magnetostrictive. The system may be used in a projectile or munition.

The invention relates to a high-safety intelligent fuze module, which comprises a main control chip, and a first static switch and a second static switch which are connected with the main control chip, the first static switch and the second static switch are connected with the booster circuit; the main control chip is used for identifying and processing the environment signal captured by the sensor and sending a control signal to the first static switch and the second static switch, so that the booster circuit realizes grounding and power connection operations; the first static switch is switched on when the main control chip outputs the low level, so that the first static switch is electrically connected with the ground; and the second static switch is switched on when the main control chip outputs the high level, so that the second static switch is electrically connected with the power supply module. According to the fuze safety protection device, the safety release switches are controlled through the sensors, and the independent sensors accurately control the respective safety release switches, so that organic combination of multiple safety protection mechanisms is realized, and the safety of the fuze is greatly improved. And meanwhile, the modular design is convenient for troubleshooting and replacement, and the maintenance cost is reduced.

This invention provides a method and system for controlling the delay time of electronic detonators, comprising: configuring delay values ​​for each electronic detonator via an initiator; sending delay time calibration commands to all electronic detonators and calculating the total duration of the reference square wave of the delay time calibration commands to obtain T0; calculating T1 based on T0; upon receiving the delay initiation command, the electronic detonator calculates and writes the value to a delay timer based on T1, and decrements the timer; after the delay timer of the electronic detonator reaches zero, writing the value of T1mod div to the delay timer and decrementing the timer; and detonating the electronic detonator after the delay timer reaches zero. This invention uses a frequency-division clock to compensate for the delay time error caused by the delay, thus solving the problem of amplified delay time error caused by using only a frequency-division clock.

The invention discloses a collision test method and test system for an energy storage element of an electronic detonator, and belongs to the technical field of initiating explosive device test. The method comprises the following steps: blocking an electronic detonator sample with a first rotating speed by adopting a blocking mechanism on a collision test system, so that the electronic detonator sample collides with the blocking mechanism; capturing a voltage curve image at the collision moment T through a voltage curve monitoring and processing unit, and calculating to obtain a first drop amplitude value under the maximum voltage at the collision moment T according to the captured voltage curve image; capturing a voltage curve image from the collision moment T to the first collision duration T + T1 through a voltage curve monitoring processing unit, and calculating to obtain a voltage drop rate from the collision moment T to the first collision duration T + T1 according to the captured voltage curve image; and evaluating the impact resistance of the energy storage element according to the obtained first drop amplitude under the maximum voltage and the voltage drop rate. The collision test method provided by the invention is beneficial to improving the accuracy of a collision test result.

The invention provides an electronic fuse for controlling firework launching, an implementation method of the electronic fuse and a display shell. The electronic fuse is characterized in that an MCU is connected with an IO pin of an IMU module through the IO pin; the MCU is connected with a DOUT pin of the electronic ignition dedicated chip through a DIN pin; the MCU is connected with a first port of the safety switch through a LOCK pin; the electronic ignition dedicated chip is connected with the non-polar dual-bus interface through an AB pin; a VDD pin is connected with the positive electrode of the energy storage capacitor, and a GND pin is connected with the negative electrode of the energy storage capacitor; the capacitor is connected with the positive electrode of the ignition capacitor through a VCHG pin, and is connected with the negative electrode of the ignition capacitor through a GND pin; the first port is connected with the second port of the safety switch through a VCHG pin; the second port is connected with the first port of the ignition switch through an FIRE pin; the first port is connected with the second port of the ignition switch through a GND pin; a third port of the ignition switch is connected with one end of the patch bridge wire / ignition resistor; and the other end of the patch bridge wire / ignition resistor is connected with a third port of the safety switch.

The present invention allows preemptive prevention of accidents of unintentional fuse detonation by equipping a rotor, which allows a fuse to be ignited by aligning detonation and connection pipes as the rotor rotates, with a double safety pin structure in which the restraint of the rotor is released only under bullet firing conditions that give rise to strong backward inertial force and rotational force. Additionally, unintentional harm to friendly forces area can be prevented by precisely adjusting loading time and increasing fuse safety distance via detent and gears and levers that adjust the rotor rotation time.

The application discloses an electrically-controlled launch cannon with stepless adjustable range, which comprises a cannon body, an electrically-controlled launch projectile and a breechblock. The charge of the electrically-controlled launch projectile is electrically-controlled launch powder, and the two ends of the charge are respectively positive and negative. The breechblock comprises an electric power unit positive electrode, an electric power unit negative electrode, a positive spring, a negative spring, a breechblock positive electrode and a breechblock negative electrode. The breechblock positive electrode is divided into two parts and connected by the positive spring, and the positive spring has a margin to make the two ends of the positive spring tightly contact with the positive external electrode and the electric power unit positive electrode. The breechblock negative electrode is also divided into two parts and connected by the negative spring, and the negative spring has a margin to make the two ends of the negative spring tightly contact with the negative external electrode and the electric power unit negative electrode. The positive and negative electrodes at the two ends of the charge are connected with the breechblock positive electrode and the breechblock negative electrode respectively. The application can be used in the electrically-controlled launch cannon system with electrically-controlled launch powder as the main charge, and has the advantages of no ignition powder, stepless adjustable range, simple and quick production, easy assembly and disassembly, easy replacement and cleaning.

According to the present disclosure, there is provided a fuze system for attaching to a munition body, the fuze system comprising: a body comprising a foremost section; a fuze located in the body; a power generator, attached to the body, for generating electrical power and providing it to the fuze system, the power generator configured to generate electrical power by interacting with an airstream around the fuze system, wherein at least a part of the power generator is located behind the foremost section, the at least a part of the power generator being arranged to rotate relative to the foremost section of the body.

According to an aspect of the invention, there is provided a fuze arming system for a munition, comprising: an arming circuit arranged to detect a setback event and, in response to the setback event, generate a signal indicating that an arming event has occurred, wherein the arming circuit comprises a sensor configured to produce a graduated output when the setback event occurs, and fuze arming system is arranged to use that graduated output.

The application discloses an environment-friendly bird repelling bomb device with an electromagnetic conductive electric ignition head structure, which is mainly used for bird repelling in an airport flight area. The device comprises a launching shell body (1), an electromagnetic conductive electric ignition head combination unit (2) arranged on the bottom of the inner cavity of the launching shell body, an electric ignition head inner sleeve unit (3), a bird repelling bomb body unit (6), at least one flame jet hole (4) arranged on the center of the top end surface of the electric ignition head inner sleeve unit, and a propellant layer (5) attached to the top end surface of the electric ignition head inner sleeve unit. The launching port end of the launching shell body is sealed by a sealing end cover (7). The bird repelling bomb device with the integrated structure which is combined by the above components is matched with an aviation special bird repelling launcher to realize electromagnetic induction conductive ignition launching. The bird repelling bomb device with the above structure has the advantages of vertical fixed connection between the electric ignition head and the two electrode ends in the center of the electromagnetic induction magnetic plate surface, realization of rapid ignition of the explosive body, no continuous ignition, no residue, environmental protection safety and the like.

A method and apparatus for providing a universal cartridge detonator coupling in a perforating gun with a terminated end.

The present invention provides an electronic detonator without ignition powder, comprising: a detonator body having a receiving cavity, wherein a priming powder, a first delaying powder, and a second delaying powder are sequentially and continuously arranged in contact in the receiving cavity of the detonator body, and two relative arc-starting plates are arranged at the position of the receiving cavity where the second delaying powder is located, the arc-starting plates are connected to an arc-starting module, and the end of the receiving cavity is sealed. The electronic detonator without ignition powder of the present invention realizes the replacement of electrostatically sensitive ignition powder by adopting arc ignition technology, thereby improving the safety and reliability of the detonator.

The invention discloses a front-back two-stage series warhead detonation time sequence control device which comprises a first battery pack, a voltage comparator, a second battery pack, a delay closing relay and a third battery pack. The positive electrode of the first battery pack is connected with the negative electrode of the power supply end of the voltage comparator. The cathode of the battery pack I is connected with the cathode of the post-stage explosion propagation detonator, and the battery pack I is grounded at the same time; the anode of the pre-stage explosion propagation detonator is connected with the anodes of the battery pack I and the battery pack II; the negative electrode of the second battery pack is connected to the negative electrode of the preceding-stage explosion propagation detonator through the output end of the relay, meanwhile, the negative electrode of the second battery pack is grounded, and the output end of the voltage comparator is connected to the control end of the delay closing relay and used for controlling the on-off state of the relay; a control signal of the delay closing relay is triggered by the voltage comparator; the positive electrode of the third battery pack is connected with the positive electrode of the power supply end of the voltage comparator.

A fireworks kit can have a set of fireworks having multiple fireworks of different types and a plurality of detonators in communication with the fireworks that are configured to launch or detonate a firework attached thereto. A remote controller or mobile device can be in communication with the detonators and operable to provide dynamic or user customizable control of detonation, launching, or ignition of the fireworks.

The invention discloses a collision testing device, system and method for testing an energy storage element of an electronic detonator, and belongs to the technical field of initiating explosive device testing. The collision test device comprises a support frame; the rotary driving device is mounted on the supporting frame, and a rotary driving shaft is arranged on the rotary driving device; a rotary connecting part connected with the rotary driving shaft is arranged in the middle of the rotary frame, the rotary frame can be driven by the rotary driving shaft connected with the rotary connecting part to rotate, and after the rotary driving device stops driving, the rotary connecting part is connected with the rotary connecting part; the rotating frame can continuously rotate based on the inertia of the rotating motion until the rotating motion is stopped under the action of resistance; the clamping mechanism is mounted on the rotating frame, and a clamping mounting part for mounting and clamping an electronic detonator sample is arranged on the clamping mechanism; and the balancing weight is mounted on the rotating frame and is used for balancing the total weight of the clamping mechanism and the electronic detonator sample. The collision test device disclosed by the invention is beneficial to improving the accuracy of a collision test result.

The utility model provides a fuze device with a miniaturized proximity detector and a projectile body, and the fuze device comprises an air cap with a hollow structure, a detachably connected base, and a proximity detector which is located in the hollow structure of the air cap and is fixedly connected to the upper part of the base, according to the proximity detector, the encapsulation shell used for fixedly placing the circuit board device is arranged, the circuit board device is fixed by pouring the encapsulation glue, and the maximum radial diameter of the encapsulation shell is matched with the radial inner diameter of the upper end part of the hollow structure of the hood, so that the miniaturization of the proximity detector is realized, and the reliability of the proximity detector is improved. The geomagnetic satellite navigation system is adaptively installed at the front position of the front end of a projectile body, more layout space is provided for high-performance design of a guide cabin where a detector is located and a rear cabin section, the power of the detector and the geomagnetic satellite navigation system is increased, and the detection distance, the anti-interference capability, the positioning precision and the signal strength are all greatly improved.

The application relates to the technical field of civil blasting, in particular to a digital electronic detonator control module allowed in coal mines, which comprises a rectifier circuit, an LDO module, an initiating circuit, a preset delay chip and an initiating capacitor. The initiating circuit comprises a charging switch, an initiating switch, a preset delay module and a decoding module. The charging switch, the initiating switch, the preset delay module and the decoding module are sequentially connected with the initiating capacitor outside the preset delay chip. When the decoding module decodes, the charging switch is closed to connect the rectifier circuit and the initiating capacitor, so that the initiating capacitor is charged. After the initiating capacitor is charged, the preset delay module controls the initiating switch to be closed in delay, so that the initiating capacitor provides electric energy for the initiating element. The application is provided with the initiating circuit, so that the digital electronic detonator is safer when applied to the special environment of underground blasting in coal mines.

A disclosed field expedient munition mechanism includes an outer adapter sleeve housing and an inner sliding nose member. The outer adapter sleeve housing includes a proximal end and a distal end. The proximal end includes a mounting interface configured to mount the outer adapter sleeve housing to the aerosol container around the nozzle. The inner sliding nose member is configured to slide within the distal end of the outer adapter sleeve housing. The inner sliding nose member is configured to displace the nozzle of the aerosol container when pushed into the distal end of the outer adapter sleeve housing. A dispersion path is included from the nozzle to out of the field expedient munition mechanism. Wherein, when the inner sliding nose member is pushed into the distal end of the outer adapter sleeve housing, the inner sliding nose member displaces the nozzle of the aerosol container.

Electronic cartridge actuating device with a cylindrical charge system for the activation by electric discharge of disposable electronic cartridges with different end functions, e.g. fire extinguishing cartridges, detonating cartridges without projection, chemical compound projection cartridges, etc. comprising an inner housing (1) with a charging system, a magnetic clamping system (2) at its base, terminals (3) for connection to the cartridge (10), a safety mechanism (4), a button (5) or push-activation system and an integrated battery (6).

The invention relates to a detonating device for initiating an explosive material, comprising: - a cathode (2); - means (4) for concentrating an incoming electron beam (5) generated by the cathode and for generating an outgoing electron beam (20) having a current density greater than the current density of the incoming electron beam; - means (14) for accelerating the outgoing electron flow. Figure 1

The utility model relates to the technical field of production and processing of electronic fuses, and provides an electronic fuse storage transfer device which comprises a box body, a rubber ring and a storage box, a sealing plate is mounted at the top of the box body through a hinge, the rubber ring is fixedly sleeved at one end of the sealing plate in the box body, and the outer surface of the rubber ring is in contact with the inner wall of the box body; the two through holes are formed in one end of the sealing plate, and two protruding blocks are fixedly installed at the end, close to the through holes, of the box body; when the sealing device is used, the rubber ring at one end of the sealing plate enters the box body, the rubber ring is extruded and deformed by the sealing plate and the inner wall of the box body, a gap between the rubber ring and the inner wall of the box body is reduced, the sealing performance between the sealing plate and the box body is improved, the sealing plate is limited on the convex block, and the convex block is fixed on the box body; therefore, the stability between the sealing plate and the box body is enhanced, and the situation that a gap between the sealing plate and the box body becomes larger during vibration is avoided.