35results about How to "Quick strike" patented technology

The invention discloses a remote monitoring system of a power distribution cabinet. The remote monitoring system comprises a wall body, an installing block is fixed on the side wall of the wall body through a bolt, and a vertical section of the installing block is circular; multiple uniformly distributed bumps are welded on the side wall of the installing block, and the installing block is fixed on the wall body through a bump bolt; a horizontally arranged installing column is clamped at the center location of the side wall of one side of the installing block far away from the wall body, andone side of the top end of the installing column far away from the installing block is in sliding connection with a vertically arranged strut; a vertically arranged threaded rod is in threaded connection with the installing column, and the thread rod penetrates the installing block and is located between the strut and the installing block; the top ends of the thread rod and the strut are hinged with a first installing plate, and the thread rod is in rotatable connection with the first installing plate. The device disclosed by the inventio is simple in structure, novel in design, capable of monitoring the power distribution cabinet in real time and convenient for installing and dismounting, and capable of automatically cleaning the camera surface at fixed time, strong in practicability andsuitable for popularization.

The invention discloses a method for rapidly selecting and detecting the cosmetic containing metronidazole, which comprises the steps of adding alkali liquor into the cosmetic to be detected, heating the alkali liquor and the cosmetic at a temperature of 50-80 DEG C in a water bath heating way so that the alkali liquor and the cosmetic conduct the color development reaction, judging whether the metronidazole is added in the cosmetic according to the color development reaction result. In the case of cream cosmetic, adding acid liquor into the cream cosmetic before adding the alkali liquor, heating the acid liquor and the cream cosmetic until the cream cosmetic is melted down, and adding the alkali liquor into the solution of the acid liquor and the cream cosmetic. The method does not need any large-sized instrument and is easy to operate; the cosmetic sample containing the metronidazole can be selected for the subsequent precision chromatogram detection according to the color development reaction judgment; the method is helpful for supervision departments to select large-batch cosmetic samples, simplifies the detection procedures, reduces the detection cost and can be used for high-flowability cosmetic sample detection.

The invention discloses a novel multi-channel electronic reconnaissance and electronic countermeasure integrated device and method. The device includes a high-performance signal processing module, a high-performance signal analysis module and a magnetic disk array; the high-performance signal processing module is mainly used for preprocessing signals to be reconnoitered so as to obtain signals tobe analyzed; the high-performance signal analysis module is used for performing spectrum analysis and parameter estimation on the signals to be analyzed so as to obtain information of interest, and generating alarm signals according to the information of interest; the magnetic disk array is used for storing the signals to be analyzed and the information of interest; and the high-performance signalprocessing module is used for receiving the signals to be analyzed and the information of interest read back from the magnetic disk array by the high-performance signal analysis module, and generating interference signals accordingly. The device promptly performs early warning after performing pre-processing and spectrum analysis on the intercepted signals, and generates the interference signalsat the same time, thereby interfering with the equipment of enemies, and quickly attacking the electronic equipment of the enemies.

The invention discloses a rapid detection method and a detection reagent kit for metronidazole and application thereof in detecting the adding of the metronidazole in cosmetics and disinfectants. The detection method comprises the following steps: firstly, performing acid dissolution and enrichment on a sample to be tested, and then further purifying and separating the sample by organic solvent; and finally developing color development by alkali, and judging whether the sample contains the metronidazole according to the change of the color. The detection method can rapidly detect that whether the metronidazole is added in the cosmetics and the disinfectants; and the detection method has simple and convenient operation, does not need large-scale instruments, and has low detection cost. The method adopts two-step purification of acid and the organic solvent, so that the metronidazole is concentrated and enriched to ensure the correction rate of alkali color development. An alkali color development reaction of the invention adopts sodium hydroxide solid, utilizes the heat released by dissolving sodium hydroxide to reach the temperature needed by the color development reaction, saves water bath equipment, and is more favorable for the fluidity detection of basic level field.

The invention discloses a direct injection type multi-stage power underwater high-speed thruster and a control method. The direct injection type multi-stage power underwater high-speed thruster comprises a low-speed section engine, an acceleration section engine and a high-speed section engine. The limitation of the single navigation speed of a traditional underwater navigation vehicle is broken through, the low-speed section engine, the acceleration section engine and the high-speed section engine structurally communicate with each other, three sections work in sequence after the thruster isstarted, and two typical motion states including the conventional low-speed cruise and the high-speed attack at the speed which is seven times the conventional speed can be achieved in the same voyage; and the efficient switching of the low navigation speed and the high navigation speed can be rapidly accomplished, and the stability of navigation in the switching process is guaranteed. The structural space arrangement of the thruster is reasonable, the optimized design of the multi-stage thruster in the minimum space is achieved, the multi-task fighting work under the complex condition can beaccomplished, and the fighting performance of an underwater weapon system can be greatly improved.

Disclosed is a rifle grenade using a bullet trap. A propellent assembly is formed with a first housing configured to house a trapping unit that traps a bullet shot from a gun to travel from rear to front and absorbs kinetic energy of the bullet, and a second housing configured to house a propelling unit that is disposed in front of the first housing, and is activated by the kinetic energy of the bullet which is absorbed into the trapping unit to provide a propelling force in a trajectory direction of the rifle grenade.

The invention provides anantisubmarine detection machine navigation method based on magnetic signal continuation algorithm for submarine detection, and belongs to the field of the submarine detectionor antisubmarine detection machines and antisubmarine detection indicators. The antisubmarine detection machine navigation method comprises the steps that firstly a magnetized submarine is equivalentto a magnetic doublet, and submarine signals of a present complete ship route represented by a combination of orthogonal basis functions are acquired; an antisubmarine detection indicator composed ofthree single-direction vector magnetic-field measuring probes is mounted on the antisubmarine detection machine in an orthogonality mode; on the present ship route, submarine detected signals are acquired using the antisubmarine detection indicator, prolongation is conducted on the submarine detected signals, thus the prolonged submarine signals of the present complete ship route are acquired, orientation of the submarine is calculated, and the present ship route of theantisubmarine detection machine is further updated; and the process is repeated until the antisubmarine detection machine is located over the submarine, and the navigation ends. According to the antisubmarine detection machine navigation method based on the magnetic signal continuation algorithm for the submarine detection,real-time location is conducted on the submarine through the antisubmarine detection machine, thus the route is continuously corrected, and the antisubmarine detection machinedirectly flies to the submarine, flying distance of the antisubmarine detection machine is greatly reduced, and submarine detection time is shortened.

The invention discloses a micro unmanned aerial vehicle swarm combat system which comprises a plurality of micro unmanned aerial vehicles, a task processing terminal and a handheld control terminal. The weight of the whole miniature unmanned aerial vehicle is smaller than 100 g, and the miniature unmanned aerial vehicle internally comprises a flight control module, a flight power system, a GPS positioning module, an image recognition module and a link module. Through the technical scheme of the invention, the method has the advantages of portability and secrecy, provides an effective reconnaissance and strike means for individual combat under the condition of limited combat ability and endurance, ensures that personnel are prevented from directly fighting with enemies, reduces casualty risks, and effectively realizes the application of the miniature unmanned aerial vehicle swarm in individual combat.

The invention provides a rapid detection kit and a detection method of hydroquinone in cosmetics. The rapid detection kit comprises a solvent reagent and an alkaline reagent, and experiment expendables such as reaction bottles, pipettes, and sample spoons; wherein the solvent reagent is purified water, or one or a mixture of a plurality of organic solvents selected from ethyl alcohol, methyl alcohol, ether, and dichloromethane; the alkaline reagent is an alkaline ionic solution or a solid alkali; the alkaline ionic solution is one selected from sodium hydroxide, potassium hydroxide, sodium hydride, or aqueous solutions of sodium hydroxide, potassium hydroxide, and sodium hydride; and preferably the concentration of the alkaline ionic solution ranges from 0.5 to 5%. The rapid detection method is mainly used for rapidly detecting that whether hydroquinone is illegally added into cosmetics which are used for whitening and removing freckles; operation of the rapid detection method is simple and convenient; no precise or large-scale equipment is needed; detection time is short; detection can be finished in 2 to 5min; judgment can be made only via direct observation of color change; and detection steps are simplified greatly.

The invention discloses a remote alarm anti-theft electric meter box. The remote alarm anti-theft electric meter box comprises a box body and a box door, the box body is internally provided with a sandwich plate, the box door is in open connection with a hinge in the box body, the inner side of the box door is provided with a Bluetooth module and an electromagnetic lock controlled by a control module; one side, facing the box door, of the sandwich plate is provided with a plurality of intelligent electric meter installation positions, and an ultrasonic wave sensing module is arranged at a handle close to the box door; one side, facing the box bottom, of the sandwich plate is provided with electromagnetic induction displacement sensors corresponding to the intelligent electric meter installation positions; the bottom plate of the box door is provided with a UPS power module, a control module and a remote transmission module; the side wall of the rear box is provided with an incoming boxwire inlet, one path of the incoming box wire is connected with the UPS power module, and the other path of the incoming box wire is connected with each intelligent electric meter. The remote alarm anti-theft electric meter box designs multiple layers of secret prevention scheme to increase the difficulty of stealing electricity, and adopts an online real-time remote alarm technology to quickly and accurately attack the modification of the stealing behavior and avoid theft of electricity without increasing the inspection personnel and the detection equipment so that the economic loss is avoided.

The invention discloses a single-munition multi-shot and multi-target battle sight setter which comprises a connecting base assembly. An inner hexagon bolt, a second flat gasket and a spring gasket are arranged on the inner surface of the lower end of the connecting base assembly, the inner hexagon bolt is located on the outer surface of the lower end of the second flat gasket, and the spring gasket is located on the outer surface of the upper end of the second flat gasket. A stand column is arranged on the outer surface of the upper end of the connecting base assembly, a first copper sleeve and a second copper sleeve are arranged on the outer surface of the middle of the stand column, the first copper sleeve is located at the upper end of the second copper sleeve, and a first flat gasketis arranged on the outer surface of the upper end of the stand column. According to the single-munition multi-shot and multi-target battle sight setter, different battle sights for the same target ormultiple kinds of charged munitions or multiple targets can be accurately set in advance, and the position corresponding to each battle sight is recorded by multiple levels, and therefore after munitions are launched at the firing angle corresponding to the first battle sight, the munitions can be quickly adjusted to the firing angle corresponding to the second battle sight and then are launched,multiple munitions are launched in the same manner, and therefore simultaneous impact shooting for the same target or single-munition multiple shots or multiple targets is achieved.

The invention discloses an airborne laser weapon integrating attack and defense. The airborne laser weapon integrating attack and defense includes a first laser gun, a first laser radar, a second laser radar, a second laser gun, a third laser radar, a third laser gun, a fourth laser gun, a fourth laser radar, an anti-laser protective coating, a fifth laser gun, a fifth laser radar, and a controller, wherein the first laser gun is used for hitting targets in the front areas of a fighter; the second laser gun hits targets on the left areas of the fighter; the third laser gun hits targets in therear areas of the horizontal stabilizer on the left side of the fighter; and the fourth laser gun hits targets in the rear areas of the horizontal stabilizer on the right side of the fighter, and thefifth laser gun hits targets on the right side of the fighter. The fighter can be defended comprehensively, guided missiles from enemies are intercepted, and the targets are hit accurately and quicklyat the same time; and the anti-laser protective coating is uniformly smeared on the fighter to prevent laser from meting or burning or igniting the fighters, and attack of laser weapons from the enemies is resisted effectively.

The invention discloses a pneumatic hammer for removing a cinder ladle, and belongs to the field of pneumatic hammers. The pneumatic hammer for the removing the cinder ladle comprises a cylinder barrel; a pneumatic hammer rod is arranged in the cylinder barrel in a sliding manner; an exhaust block and an air inlet block are sequentially connected to the upper end of the cylinder barrel; the upperend of the cylinder barrel is connected with the exhaust block and the air inlet block through a cylinder barrel connecting block; the pneumatic hammer further comprises an upper diaphragm, a movablediaphragm and a lower diaphragm; the upper diaphragm is fixedly arranged in the air inlet block; an air path a, an air path b and an air path c are arranged on the air inlet block, the upper diaphragm, the movable diaphragm, the lower diaphragm, the exhaust block and the cylinder barrel; the air path a is used for driving the pneumatic hammer rod to move upwards; the air path b is used for drivingthe pneumatic hammer rod to move downwards; and the movable diaphragm moves up and down by opening and closing the air path b. The quick pressure relief and the air path conversion are combined to perform reciprocating hitting, and the pneumatic hammer can quickly hit the cinder ladle, is large in hitting force, can quickly reset, and effectively avoids a sticking phenomenon.

The invention discloses a micro-unmanned aerial vehicle swarm combat system, which comprises: several micro-unmanned aerial vehicles, a task processing terminal, and a hand-held control terminal. The weight of the micro-UAV is less than 100 grams, and the interior includes: flight control module, flight power system, GPS positioning module, image recognition module, and link module. Through the technical solution of the present invention, it has the advantages of portability and stealth, and provides effective reconnaissance and strike means for individual combat under limited combat capability and endurance conditions, ensuring that personnel avoid direct confrontation with the enemy and reducing the risk of casualties , effectively realizing the application of micro UAV swarms in individual combat.

The invention provides an auramine O rapid detection kit, a detection method and application in detecting traditional Chinese medicinal materials. The kit comprises fittings and prepared liquid, such as an extracting solution, a thin-layer plate, a sample application tube, a centrifugal tube, a sucking tube, a penicillin bottle, a sampling spoon, water, alcohol or methanol; and the extracting solution is one or more of polar solvents such as water, alcohol and methanol. The detection method is simple to operate, has the advantages of convenience, no need of precise or large apparatuses, short detection time, and capability of generally completing detection within 4-6 minutes; moreover, detected results are visual, and judging can be performed by seeing color changes, so that the kit is very suitable for picking out fewer doubtful samples from a large quantity of samples, and greatly simplifies detection steps; precise detection such as mass spectrometry and chromatography is performed by only needing the fewer doubtful samples, so that detection cost is greatly reduced, and therefore, the kit is very suitable for quick screening needs of a supervision department, and has great social benefits of improving operation efficiency of the supervision department and quickly cracking down on criminals.

An integrated trace bloodstain imaging and remaining time analyzing device belongs to the technical field of criminal science and comprises a box body, a floodlight, a mobile phone fixing pillar, a mobile phone and a bloodstain container, wherein the box body is filled with foam to form a foam box; the floodlight is an annular LED bulb and is fixed at the upper part of the box body; the mobile phone fixing pillar is fixed in the center of the annular LED bulb in the box body; a small hole is formed in the top of the box body, and the mobile phone is fixed at the top of the box body; the bloodstain container is arranged in the bottom center of the box body; the ratio of the imaging aperture at the top of the box body to the depth of a camera bellows is (1:15)-(1:20); the color temperature of the LED bulb is 6500 k; a camera of the mobile phone has the pixel of more than 12,000,000. The integrated tract bloodstain imaging and remaining time analyzing device can quickly analyze trace bloodstain on a crime scene in real time, does not demand much on the experimental conditions, can realize time estimation according to the bloodstain on site, and has a very good pushing function for quickly and efficiently fighting crimes.

The invention provides anantisubmarine detection machine navigation method based on magnetic signal continuation algorithm for submarine detection, and belongs to the field of the submarine detectionor antisubmarine detection machines and antisubmarine detection indicators. The antisubmarine detection machine navigation method comprises the steps that firstly a magnetized submarine is equivalentto a magnetic doublet, and submarine signals of a present complete ship route represented by a combination of orthogonal basis functions are acquired; an antisubmarine detection indicator composed ofthree single-direction vector magnetic-field measuring probes is mounted on the antisubmarine detection machine in an orthogonality mode; on the present ship route, submarine detected signals are acquired using the antisubmarine detection indicator, prolongation is conducted on the submarine detected signals, thus the prolonged submarine signals of the present complete ship route are acquired, orientation of the submarine is calculated, and the present ship route of theantisubmarine detection machine is further updated; and the process is repeated until the antisubmarine detection machine is located over the submarine, and the navigation ends. According to the antisubmarine detection machine navigation method based on the magnetic signal continuation algorithm for the submarine detection,real-time location is conducted on the submarine through the antisubmarine detection machine, thus the route is continuously corrected, and the antisubmarine detection machinedirectly flies to the submarine, flying distance of the antisubmarine detection machine is greatly reduced, and submarine detection time is shortened.

An arc extinguishing chamber comprises a plurality of arc chutes arranged between two side walls at intervals and in a stacked way. A gap is left between every two arc chutes. The arc extinguishing chamber further comprises a laminated arc guide plate mechanism arranged between the two side walls. The laminated arc guide plate mechanism comprises a plurality of grid sheets laminated together and an arc guide plate connected with the grid sheets. Because the arc extinguishing chamber of the invention is provided with the laminated arc guide plate mechanism, quick arc striking can be realized through the laminated grid sheets and the arc guide plate, moving and static contacts can be prevented from burnout, and the effects of arc striking and arc extinguishing can be achieved. The invention further provides a residual current operated circuit breaker which has the advantages of compact structure, strong arc striking and extinguishing capacity, and high reliability.

The invention discloses a gas shielded welding machine power supply, comprising a main transformer for power network isolation and energy conversion and an inductor in series connection in an main power rectification loop. The inductor is installed in a range in which the magnetic lines generated when the inductor is power-on and the magnetic lines generated when the coils of the main transformerare power-on are crossed. Compared with the present product, the invention has the beneficial effects of fast arc ignition in welding, no splashing and enhanced fusion depth.

The invention discloses a turboprop direct injection hybrid multi-stage power underwater high-speed thruster and a control method, including a low-speed section engine, an acceleration section engine and a high-speed section engine. Aiming at different combat strategies, the water stamping high-metal-content propellant engine and the high-metal-content propellant engine are combined. Combining solid rocket motor with high metal content, supplemented by turbine power output device, through reasonable design of charging method, adjusting charge amount and punching water amount to meet the propulsion power requirements of the system at different sailing speeds, breaking through the traditional underwater navigation In the same voyage, it can realize two typical motion states of conventional low-speed cruising and high-speed attack seven times the conventional speed.

The invention discloses a dual-output-shaft hitting device for a puncture wire clip. The dual-output-shaft hitting device comprises a mounting base, an underdriving gear set and a motor, wherein the mounting base is parallelly provided with two hitting devices; the underdriving gear set comprises a left output gear, a right output gear, a first driving gear, a second driving gear and an input gear, the first driving gear is meshed with the left output gear and the right output gear, the second driving gear is coaxial with the first driving gear, and the input gear is meshed with the second driving gear; the motor is connected with the input gear and used for driving the input gear to rotate. Compared with the prior art, the dual-output-shaft hitting device for the puncture wire clip is capable of screwing down two bolts in the puncture wire clip with a dual-bolt structure at the same time, ensuring that the puncture wire clip does not deform during a puncture process, and ensuring a relatively good fire welding effect. The dual-output-shaft hitting device is small in size and light in weight, and is capable of realizing one-handed operation, rapidly hitting, and saving the operation time.

The invention relates to an arc extinguishing chamber for a breaker. The arc extinguishing chamber comprises an arc extinguishing cover, side walls, a group of arc extinguishing grid pieces and a flame extinguishing piece, wherein the arc extinguishing cover is placed at the top of the arc extinguishing chamber; the side walls are arranged at the left aide and the right side of the arc extinguishing chamber, the group of arc extinguishing grid pieces is arranged between the left side wall and the right side wall of the arc extinguishing chamber; and the flame extinguishing piece is arranged between the arc extinguishing cover and the arc extinguishing grid piece. The arc extinguishing chamber for the breaker is characterized in that the group of the arc extinguishing grid pieces is in staggered arrangement between the side walls of the arc extinguishing chamber, the front end of the arc extinguishing grid piece at one lateral side is provided with an arc initiating piece, the included angle formed by intersecting the upper part seamed-borders of the arc extinguishing grid piece is an obtuse angle; and the intersecting position extends to an arc initiating port. Compared with prior art, the arc extinguishing chamber for the breaker can obviously improve the short circuit breaking capacity of the breaker, quickly initiate arc and effectively protect a main contact.

The invention discloses a photoelectric tracking image alignment method for an anti-sniper robot, and the method comprises the steps: S1, collecting coordinate point data of a quadrant where a test target is located for multiple times, and sampling the current movement step length of a rotary table; s2, drawing a scatter diagram, performing linear regression analysis by adopting the scatter diagram, and deducing to obtain a regression coefficient; s3, clicking a target display position on the screen image to obtain an image quadrant and a position where an actual target is located; s4, giving a turntable moving step length required for moving the target to an image center; s5, according to the actual target position data and the regression coefficient, calculating a rotary table movement step length needing to be compensated; and S6, calculating to obtain a final moving step length, and moving the target to the center of the image by the moving turntable. Linear regression analysis is carried out in a scatter diagram sampling mode, the automatic alignment precision of the equipment is improved based on the obtained regression coefficient, centering aiming can be rapidly carried out on the target after the target is found, and subsequent striking or suppressing operation is rapidly carried out.

The invention discloses a semi-covered multi-stage power underwater high-speed thruster and a control method. The three engines are structurally connected and work sequentially after starting. The space layout is reasonable, and the multi-stage thruster in the smallest space is realized. The optimal design, aiming at different combat strategies, breaks through the limitation of single speed of traditional underwater vehicles, combines water ram high metal content propellant engine with high metal content solid rocket motor, supplemented by turbine power output device, through reasonable By designing the charging method, adjusting the amount of charge and the amount of punching water, two typical motion states of conventional low-speed cruising and high-speed strike at seven times the conventional speed can be realized in the same voyage.

The invention discloses a climbing-preventing hydraulic striking device for ships. The climbing-preventing hydraulic striking device comprises a fire pump, a water distributor, a plurality of electric control valves, fire water hoses and a plurality of hydraulic striking cannons, wherein the fire pump pumps high-pressure water to the water distributor, the high-pressure water is respectively delivered to the hydraulic striking cannons through the fire water hoses in various branches, and each hydraulic striking cannon comprises a casing with a quick fire joint, an impeller is arranged in the casing, one end of a rotary shaft of the impeller is provided with inner magnetic steel, outer magnetic steel sleeves the inner magnetic steel, a speed reduction mechanism is arranged above the outer magnetic steel and comprises a first gear, a second gear, a fourth gear, a fifth gear, a first bevel gear and a second bevel gear, the first gear rotates synchronously as the outer magnetic steel, the second bevel gear is fixedly mounted at one end of a crankshaft, the crankshaft is connected with a connecting rod, the lower end of the connecting rod is connected with a rack, and the third gear drives a swing shaft connected with a nozzle through a key. The climbing-preventing hydraulic striking device adopts the high-energy hydraulic striking cannons which are higher in striking force than conventional fire-fighting lances, is large in striking range, long in shooting distance and capable of effectively preventing climbing of terrorists, is simplified and easy to operate and maintain.

The invention discloses a pneumatic hammer for removing slag and belongs to the field of pneumatic hammers. A pneumatic hammer with a slag removal package, including a cylinder, in which an air hammer rod is slidably arranged, and the upper end of the cylinder is connected with an exhaust block and an air intake block in turn, and the upper end of the cylinder is connected by a cylinder connecting block The exhaust block and the air intake block; also include an upper diaphragm, a movable diaphragm and a lower diaphragm fixedly arranged in the air intake block, and the air intake block, the upper diaphragm, the movable diaphragm, and the lower diaphragm , The exhaust block and the cylinder are provided with a air path for driving the air hammer rod to move upward, b air path and c air path for driving the air hammer rod to move downward, by opening and closing the b air path Realize the moving up and down of the movable diaphragm; the present invention combines rapid pressure relief and gas circuit conversion to perform reciprocating strikes, which can strike quickly, with high strike force, and can be quickly reset, while effectively avoiding the stuck phenomenon.

Disclosed is a rifle grenade using a bullet trap. A propellent assembly is formed with a first housing configured to house a trapping unit that traps a bullet shot from a gun to travel from rear to front and absorbs kinetic energy of the bullet, and a second housing configured to house a propelling unit that is disposed in front of the first housing, and is activated by the kinetic energy of the bullet which is absorbed into the trapping unit to provide a propelling force in a trajectory direction of the rifle grenade.

The invention discloses an emergency handling system for a low, small and slow unmanned aerial vehicle. The emergency handling system comprises an aircraft against the low, small and slow unmanned aerial vehicle and a ground command control vehicle. The aircraft against the low, small and slow unmanned aerial vehicle is in communication connection with the ground command control vehicle; the aircraft against the low, small and slow unmanned aerial vehicle is provided with an air injection device; the ground command control vehicle is provided with a console, a radar device and a control device of the aircraft against the low, small and slow unmanned aerial vehicle; the radar device and the control device of the aircraft against the low, small and slow unmanned aerial vehicle are respectively connected with the console; and the control device of the aircraft against the low, small and slow unmanned aerial vehicle is in communication connection with the aircraft against the low, small and slow unmanned aerial vehicle. The emergency handling system overcomes the defect that a missile shoots a tiny target with too high cost, and has the advantages of flexible arrangement, fast shooting and the like.

The invention discloses an electromagnetic relay for realizing arc extinguishing based on a soft magnet. The electromagnetic relay comprises a movable spring part, a static spring part, an armature part and a push card. A movable push card is composed of a soft magnetic material body on one side and an insulating material body on the other side. The soft magnetic material body of the push card isprovided with a first clamping portion which is cooperated with a movable spring sheet in a clamping manner. The insulating material body of the push card is clamped and cooperated with the armature part. One end head of the soft magnetic material body of the push card is correspondingly arranged on a side edge where a movable contact is cooperated with a static contact, and a projection of one end head of the soft magnetic material body at the movable contact and the static contact at least covers a part of gap between the movable contact and the static contact when the contacts are disconnected. According to the above structure, arc extinguishing can be achieved, meanwhile, there is no polarity requirement for wiring of the relay, and a defect that a size of a relay product is increaseddue to the fact that an installation position of magnetic steel needs to be set in the prior art can be overcome.