CN110132074B - Recoverable electromagnetic MEMS safety system applied to ammunition and implementation method thereof - Google Patents
Recoverable electromagnetic MEMS safety system applied to ammunition and implementation method thereof Download PDFInfo
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- CN110132074B CN110132074B CN201910504680.3A CN201910504680A CN110132074B CN 110132074 B CN110132074 B CN 110132074B CN 201910504680 A CN201910504680 A CN 201910504680A CN 110132074 B CN110132074 B CN 110132074B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/40—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
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Abstract
The invention discloses a recoverable electromagnetic MEMS safety system applied to ammunition and an implementation method thereof. Before the ammunition is not launched, the detonation transfer hole is staggered with the first end of the transmission channel; if the target is not hit after the explosion, an electromagnetic driving unit of the relief control circuit energizes the solenoid to generate a magnetic field, a yoke iron and an armature iron positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, so that the explosion-proof sliding block is restored to the position before the explosion, the explosion transfer hole is staggered with the first end of the transmission channel, and the safety is restored; the invention solves the problem that the traditional fuse does not have the function of recovering a safety mechanism, carries out structural design according to ammunition launching and trajectory environments, and combines an electromagnetic driving device to realize safety and release control of a fuse safety system.
Description
Technical Field
The invention relates to an ammunition safety and solution protection control technology, in particular to a recoverable electromagnetic type MEMS safety system applied to ammunition and an implementation method thereof.
Background
With the extensive equipping of various weapon systems, ammunition with a high degree of intelligence has received a great demand. The traditional ammunition adopts a mechanical fuse and an electromechanical fuse which are disposable products, the state change can not be realized according to the wartime environment after the insurance is relieved, and in order to ensure the safety of the own party, the ammunition for relieving the attack instruction often needs to fall in an unmanned area to realize the ammunition self-destruction through self-destruction and other modes. However, with the increasing demand for intellectualization of ammunition, besides the ammunition intelligently sensing and accurately striking a target, the fuse protection and release control is also changed from the original one-time target striking to a function of recovering ballistic insurance, for example, the requirement of a flight patrol fuse on the function is more urgent, after the fuse is relieved of insurance, when a detection range does not detect the target, the flight patrol fuse returns to the region of the owner, and in order to prevent the injury and death of the personnel of the owner caused by false triggering of the fuse, the fuse needs to be designed with a recoverable execution mechanism.
Disclosure of Invention
Aiming at the problem that the traditional fuse does not have the function of recovering the safety mechanism, the electromagnetic safety system with the function of recovering is designed. The invention provides a recoverable electromagnetic MEMS safety system applied to ammunition and an implementation method thereof.
One object of the present invention is to propose a recoverable electromagnetic MEMS safety system for ammunition applications.
The restorable electromagnetic MEMS safety system applied to ammunition is arranged between a base of the ammunition and an explosion-propagating grain, and sequentially comprises the base, the restorable electromagnetic MEMS safety system, the explosion-propagating grain and a warhead from bottom to top along the launching direction of the ammunition, wherein a solution protection control circuit is arranged in the base, and a metal bridge is vertical to the base and is connected to an initiation unit of the solution protection control circuit; the recoverable electromagnetic MEMS safety system is positioned in a plane where the launching direction and the centrifugal overload direction are positioned, and the normal line of the plane where the recoverable electromagnetic MEMS safety system is positioned is perpendicular to the launching direction and is vertically placed in ammunition. The ammunition is launched to produce the recoil seat and is transshipped, and the recoil seat transships in a direction opposite to the launching direction. Ammunition includes small caliber ammunition, medium and large caliber grenade, patrol ammunition and the like.
The recoverable electromagnetic MEMS safety system for ammunition of the present invention comprises: the device comprises a metal frame, an explosion-proof sliding block, a recoil overload executing mechanism, a limiting pin, a limiting groove, a limiting locking mechanism, a solenoid, an armature, a yoke iron, an explosion transmission hole, a micro initiating explosive and an energy transmission channel; the metal frame is made of metal materials, and the interior of the metal frame is hollow; the metal frame is internally provided with an explosion-proof sliding block, and the surfaces of two sides of the explosion-proof sliding block are lower than the surfaces of two sides of the metal frame; the top end of the explosion-proof sliding block is provided with a limiting pin which is axially symmetrical about the centrifugal overload direction along the centrifugal overload direction, the inner edge of the top end of the metal frame is provided with a limiting groove at a position corresponding to the limiting pin, and the limiting pin and the limiting groove are in complementary patterns; the inner edges of the upper end and the lower end of the metal frame and the upper side and the lower side of the corresponding explosion-proof slide block are respectively provided with a limiting locking mechanism which is axially symmetrical about the centrifugal overload direction; the inner edges of the bottom end of the explosion-proof sliding block and the lower end of the corresponding metal frame are provided with a backseat overload actuating mechanism along the emission direction; the bottom end of the explosion-proof sliding block and the inner edge of the bottom end of the metal frame opposite to the explosion-proof sliding block are respectively provided with a yoke and an armature along the centrifugal overload direction, the solenoid is sleeved outside the yoke and the armature, and two ends of the solenoid are respectively connected to the solution protection control circuit; a detonation transfer hole is formed in the explosion-proof sliding block, and a micro initiating explosive is arranged in the detonation transfer hole; the metal bridge is positioned on one side of the explosion-proof sliding block, the energy transmission channel is positioned on the other side of the explosion-proof sliding block, the surface of the metal bridge is opposite to the first end of the energy transmission channel, and the second end of the energy transmission channel is connected to the initiating explosive column; the electromagnetic MEMS safety system can be restored to have a safe state and an attack state; before ammunition is not launched, the electromagnetic MEMS safety system can be restored to be in a safe state, the limiting locking mechanism fixes the position of the explosion-proof sliding block, the explosion-proof hole and the first end of the energy transmission channel are staggered, an electromagnetic driving unit of the protection-releasing control circuit energizes the solenoid, the solenoid is energized to generate a magnetic field, a yoke iron and an armature iron which are positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, and the electromagnetic force is not smaller than the centrifugal overload; after ammunition is launched, the electromagnetic MEMS safety system can be restored to move along with the ammunition along the launching direction, the limiting locking mechanism senses the recoil overload, and the limitation on the flame-proof sliding block is removed; the deputy control circuit enters countdown, and after the timing is finished, the deputy control circuit stops electrifying the solenoid, so that the electromagnetic force disappears; the explosion-proof sliding block moves under the action of centrifugal overload, and moves along the centrifugal overload direction under the constraint of a limiting locking mechanism, the limiting pin is meshed with the limiting groove, and the explosion-transmitting hole is aligned with the first end of the energy transmission channel and the metal bridge; after the explosion transfer hole is aligned with the first end of the energy transmission channel and the metal bridge, the explosion transfer hole is divided into two conditions: not striking the target and striking the target; if the target is not hit, the electromagnetic driving unit of the de-protection control circuit energizes the solenoid, the energized solenoid generates a magnetic field, the yoke iron and the armature iron positioned in the magnetic field generate electromagnetic force, the direction of the electromagnetic force is opposite to that of centrifugal overload and the electromagnetic force is applied to the explosion-proof sliding block, and the electromagnetic force is not smaller than the centrifugal overload, so that the explosion-proof sliding block is restored to the position before launching, the explosion-proof hole is staggered with the first end of the energy transmission channel, and the safety is restored; if the target is hit, the protection-releasing control circuit applies current to the metal bridge, the metal bridge generates an electric heating effect, the micro initiating explosive is initiated, the detonation energy detonates the booster charge along the energy transmission channel, and the ammunition explodes.
The deputy control circuit comprises: the device comprises an electromagnetic driving unit, a detonation unit and a main control unit; the electromagnetic driving unit and the detonation unit are respectively connected to the main control unit; two ends of the metal bridge are respectively connected to two ends of the detonation unit; both ends of the solenoid are respectively connected to the electromagnetic driving unit; before the ammunition is not launched, an electromagnetic driving unit of the protection release control circuit energizes the solenoid, and the solenoid is energized to generate a magnetic field; the master control unit enters countdown during transmission, and after the timing is finished, the master control unit sends a guarantee release command to the electromagnetic driving unit, the electromagnetic driving unit stops electrifying the solenoid, and the magnetic field of the solenoid disappears; if the target is not hit, the main control unit controls the electromagnetic driving unit to electrify the solenoid, and the electrified solenoid generates a magnetic field; if the target is hit, the main control unit controls the detonation unit to apply current to the metal bridge. Ammunition supplies power for the deputy control circuit.
The squat overload actuator includes: the device comprises a recoil limiting groove, a recoil limiting slide block, a recoil overload executing contact, a recoil limiting pin groove, a limiting spring, a spring limiting locking mechanism and a connecting rod; wherein, the tail end of the flame-proof slide block is provided with a recoil limit groove; a spring groove is formed in the position, corresponding to the recoil limiting groove of the flameproof slide block, of the inner edge of the lower end of the metal frame in the emission direction, the limiting spring is located in the spring groove, symmetrical spring limiting locking mechanisms are arranged on two sides of the inner wall of the spring groove, and a recoil limiting pin groove is formed in the lower end of the spring groove; the recoil limiting slide block is connected to the top end of the limiting spring through a connecting rod; the bottom end of the limiting spring is provided with a recoil overload executing contact; before ammunition is launched, the recoil limiting slide block is positioned in the recoil limiting groove, the limiting spring is in a free state, and a distance is reserved between the recoil overload execution contact and the recoil limiting groove; after ammunition is launched, the restorable electromagnetic MEMS safety system moves along the launching direction along with the ammunition, the recoil limiting sliding block senses recoil overload and moves along the recoil overload direction, the recoil limiting sliding block moves opposite to the launching direction, the recoil limiting sliding block is separated from the recoil limiting groove, the limiting spring is extruded, the recoil overload execution contact is inserted into the recoil limiting pin groove, the limiting spring is restrained by the spring limiting locking mechanism, the recoil limiting sliding block is prevented from returning, the position of the recoil limiting sliding block is locked, and therefore the limit of the flame-proof sliding block is relieved.
The metal frame is made of nickel-based metal or copper-based metal material.
The explosion-proof sliding block is made of brittle materials, silicon-based or nickel-based.
The spacing blocked mechanical system includes: the frame suspension beam, the frame limit contact end, the slider suspension beam and the slider limit contact end are arranged on the frame; the upper side and the lower side of the flame-proof sliding block are respectively provided with a sliding block suspension beam along the centrifugal overload direction, and the top end of the sliding block suspension beam is provided with a sliding block limiting contact end; frame suspension beams along the centrifugal overload direction are arranged at the inner edges of the upper and lower frames of the corresponding metal frames, and frame limiting contact ends are arranged at the top ends of the frame suspension beams; the sliding block suspension beam and the frame suspension beam limit frame limit contact end and the sliding block limit contact end can only move in the centrifugal overload direction in the limited interval, so that the explosion-proof sliding block can only move in the centrifugal overload direction. The distance between the frame limiting contact end and the slider limiting contact end is not less than the distance between the limiting pin and the limiting groove.
The energy transmission channel is a right-angle channel and is made of metal materials with high strength, such as steel. The distance between the surface of the metal bridge and the first end of the energy transmission channel is the thickness of the metal frame, i.e. the distance between the two side surfaces of the metal frame.
Furthermore, the invention also comprises an anti-shaking boss which is arranged between the outer edges of the upper and lower sides of the flame-proof sliding block and the inner edges of the opposite metal frames. The anti-shaking boss is of a protruding structure and is used for preventing the explosion-proof sliding block from twisting when moving under the action of centrifugal overload, and the limiting pin cannot be meshed with the limiting groove.
The explosion-proof sliding block is characterized by further comprising a solenoid assembly kit, wherein one end of the solenoid assembly kit is fixed at the tail end of the explosion-proof sliding block or the inner edge of the tail end of the metal frame, and the solenoid assembly kit is sleeved outside the solenoid; two ends of the solenoid are respectively connected to the electromagnetic driving unit of the release control circuit through the assembling mechanism in the solenoid assembling sleeve.
Another object of the present invention is to provide a control method for a recoverable electromagnetic MEMS safety system for ammunition.
The invention relates to a control method of a recoverable electromagnetic MEMS safety system applied to ammunition, which comprises the following steps:
1) before ammunition is not launched, the electromagnetic MEMS safety system can be restored to be in a safe state, the limiting locking mechanism fixes the position of the explosion-proof sliding block, the explosion-proof hole and the first end of the energy transmission channel are staggered, the solenoid is electrified by the protection and release control circuit, the solenoid is electrified to generate a magnetic field, a yoke iron and an armature iron which are positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, and the electromagnetic force is not smaller than the centrifugal overload;
2) after ammunition is launched, the electromagnetic MEMS safety system can be restored to move along with the ammunition along the launching direction, the limiting locking mechanism senses the recoil overload, and the limitation on the flame-proof sliding block is removed;
3) the deputy control circuit enters countdown, and after the timing is finished, the deputy control circuit stops electrifying the solenoid, so that the electromagnetic force disappears;
4) the explosion-proof sliding block moves under the action of centrifugal overload, and moves along the centrifugal overload direction under the constraint of a limiting locking mechanism, the limiting pin is meshed with the limiting groove, and the explosion-transmitting hole is aligned with the first end of the energy transmission channel and the metal bridge;
5) after the explosion transfer hole is aligned with the first end of the energy transmission channel and the metal bridge, the explosion transfer hole is divided into two conditions: not hitting target and hitting target:
a) if the target is not hit, the electromagnetic driving unit of the de-protection control circuit energizes the solenoid, the energized solenoid generates a magnetic field, the yoke iron and the armature iron positioned in the magnetic field generate electromagnetic force, the direction of the electromagnetic force is opposite to that of centrifugal overload and the electromagnetic force is applied to the explosion-proof sliding block, and the electromagnetic force is not smaller than the centrifugal overload, so that the explosion-proof sliding block is restored to the position before launching, the explosion-proof hole is staggered with the first end of the energy transmission channel, and the safety is restored;
b) if the target is hit, the initiation unit of the release control circuit applies current to the metal bridge, the metal bridge generates an electric heating effect, the micro initiating explosive is initiated, the detonation energy detonates the booster charge along the energy transmission channel, and the ammunition explodes.
The invention has the advantages that:
before the ammunition is not launched, the detonation transfer hole and the first end of the energy transmission channel are staggered; if the target is not hit after the explosion, an electromagnetic driving unit of the relief control circuit energizes the solenoid to generate a magnetic field, a yoke iron and an armature iron positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, so that the explosion-proof sliding block is restored to the position before the explosion, the explosion transfer hole is staggered with the first end of the energy transmission channel, and the safety is restored; the invention solves the problem that the traditional fuse does not have the function of recovering a safety mechanism, carries out structural design according to ammunition launching and trajectory environments, and combines an electromagnetic driving device to realize safety and release control of a fuse safety system.
Drawings
FIG. 1 is a schematic view of a recoverable electromagnetic MEMS safety system for ammunition of the present invention installed in an ammunition;
FIG. 2 is a front view of one embodiment of a recoverable electromagnetic MEMS safety system for ammunition of the present invention;
FIG. 3 is an assembly view of a solenoid of one embodiment of the recoverable electromagnetic MEMS safety system for ammunition of the present invention;
FIG. 4 is an enlarged fragmentary view of a recoil overload actuator of one embodiment of the recoverable electromagnetic MEMS safety system for ammunition of the present invention.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following with reference to the drawing.
As shown in fig. 1, the restorable electromagnetic MEMS safety system S is installed between a base 01 and an explosive-transfer charge 04 of a small-caliber bomb 0, the base 01, the restorable electromagnetic MEMS safety system S, the explosive-transfer charge 04 and a warhead 05 are sequentially arranged from bottom to top along the emission direction of the small-caliber bomb 0, a solution protection control circuit 02 is arranged in the base, and a metal bridge 03 is perpendicular to the base and connected to an initiation unit of the solution protection control circuit 02; the recoverable electromagnetic MEMS safety system is positioned in a plane where the emission direction and the centrifugal overload direction are positioned, and the normal line of the plane where the recoverable electromagnetic MEMS safety system is positioned is perpendicular to the emission direction and is vertically placed in the small-caliber bomb.
As shown in fig. 2, the recoverable electromagnetic MEMS safety system for ammunition of the present embodiment comprises: the explosion-proof device comprises a metal frame 1, an explosion-proof sliding block 2, a recoil overload executing mechanism 3, a limiting pin 4, a limiting groove 5, a limiting locking mechanism 6, a solenoid 7, an armature 8, a yoke iron 9, an explosion transfer hole 10, an anti-shaking boss 11, a solenoid assembling sleeve 12 and a micro initiating explosive and energy transmission channel 13; the metal frame 1 is made of metal materials and is hollow inside; an explosion-proof sliding block 2 is arranged in the metal frame 1, and the surfaces of two sides of the explosion-proof sliding block 2 are lower than the surfaces of two sides of the metal frame 1; the top end of the explosion-proof sliding block 2 is provided with a limiting pin 4 which is axially symmetrical about the centrifugal overload direction along the centrifugal overload direction, the position of the inner edge of the top end of the metal frame 1, which corresponds to the limiting pin 4, is provided with a limiting groove 5, and the limiting pin 4 and the limiting groove 5 are in complementary patterns; the inner edges of the upper end and the lower end of the metal frame 1 and the upper side and the lower side of the corresponding flameproof slide block 2 are respectively provided with a limiting locking mechanism 6 which is axially symmetrical about the centrifugal overload direction, each limiting locking mechanism comprises a frame suspension beam, a frame limiting contact end, a slide block suspension beam and a slide block limiting contact end, the upper side and the lower side of the flameproof slide block are respectively provided with the slide block suspension beam along the centrifugal overload direction, the top end of the slide block suspension beam is provided with the slide block limiting contact end, the inner edges of the upper frame and the lower frame of the corresponding metal frame are provided with the frame suspension beam along the centrifugal overload direction, and the top end of; a backseat overload actuating mechanism 3 along the emission direction is arranged on the bottom end of the explosion-proof slide block 2 and the inner edge of the lower end of the corresponding metal frame 1; a yoke 9 and an armature 8 are respectively arranged at the bottom end of the explosion-proof sliding block 2 and the inner edge of the bottom end of the metal frame 1 opposite to the explosion-proof sliding block along the centrifugal overload direction, a solenoid 7 is sleeved outside the yoke 9 and the armature 8, a solenoid assembling sleeve 12 is sleeved outside the solenoid 7, and two ends of the solenoid are respectively connected to an electromagnetic driving unit of a solution protection control circuit through an assembling mechanism in the solenoid assembling sleeve, as shown in fig. 3; a detonation transfer hole 10 is formed in the explosion-proof sliding block 2, and a micro initiating explosive is arranged in the detonation transfer hole 10; the metal bridge is located on one side of the flame-proof sliding block 2, the energy transmission channel is located on the other side of the flame-proof sliding block 2, the surface of the metal bridge is opposite to the first end of the energy transmission channel 13, and the second end of the energy transmission channel is connected to the initiating explosive column. The anti-shaking boss 11 is arranged between the outer edges of the upper side and the lower side of the flameproof slide block 2 and the inner edges of the opposite metal frames 1.
As shown in fig. 4, the squat overload actuator comprises: the device comprises a recoil limit groove 31, a recoil limit slide block 32, a recoil overload execution contact 33, a recoil limit pin groove 34, a limit spring 35, a spring limit locking mechanism 36, a connecting rod 37 and a spring groove 38; wherein, the tail end of the flame-proof slide block is provided with a recoil limit groove 31; a spring groove 38 is formed in the position, corresponding to the recoil limiting groove 31 of the flameproof slide block, of the inner edge of the lower end of the metal frame, a limiting spring 35 is located in the spring groove 38, symmetrical spring limiting and locking mechanisms 36 are arranged on two sides of the inner wall of the spring groove 38, the spring limiting and locking mechanisms 36 have an inclination angle in the recoil overload direction, and a recoil limiting pin groove 34 is formed in the lower end of the spring groove 38; the recoil limit slide block 32 is connected to the top end of the limit spring 35 through a connecting rod 37; the bottom end of the limiting spring 35 is provided with a recoil overload execution contact 33; before ammunition is launched, the recoil limit slider 32 is positioned in the recoil limit groove 31, the limit spring 35 is in a free state, and a distance is reserved between the recoil overload execution contact 33 and the recoil limit groove; after ammunition is launched, the recoverable electromagnetic MEMS safety system moves along the launching direction along with the ammunition, the recoil limit sliding block 32 senses recoil overload and moves along the recoil overload direction, the recoil overload limit sliding block is opposite to the launching direction and is separated from the recoil limit groove 31 to press the limit spring 35, the recoil overload execution contact 33 is inserted into the recoil limit pin groove 34, symmetrical contact latching mechanisms 39 are arranged on two sides of the inner wall of the recoil limit pin groove 34, the contact latching mechanisms 39 have inclination angles along the recoil overload direction to limit the position of the recoil overload execution contact 3333, the limit spring 35 is restrained by the spring limit latching mechanisms 36 to prevent the recoil limit sliding block from returning, so that the position of the recoil limit sliding block 32 is locked, and the limit on the flame-proof sliding block is relieved.
Finally, it is noted that the disclosed embodiments are intended to aid in further understanding of the invention, but those skilled in the art will appreciate that: various substitutions and modifications are possible without departing from the spirit and scope of the invention and the appended claims. Therefore, the invention should not be limited to the embodiments disclosed, but the scope of the invention is defined by the appended claims.
Claims (9)
1. A restorable electromagnetic MEMS safety system applied to ammunition is arranged between a base and an explosion-propagating explosive column of the ammunition, the base, the restorable electromagnetic MEMS safety system, the explosion-propagating explosive column and a warhead are sequentially arranged along the launching direction of the ammunition from bottom to top, a solution protection control circuit is arranged in the base, and a metal bridge is perpendicular to the base and is connected to an initiation unit of the solution protection control circuit; the device is characterized in that the restorable electromagnetic MEMS safety system is positioned in a plane where a launching direction and a centrifugal overload direction are positioned, and a normal line of the plane where the restorable electromagnetic MEMS safety system is positioned is perpendicular to the launching direction and is vertically placed in ammunition; the recoverable electromagnetic MEMS safety system applied to ammunition comprises: the device comprises a metal frame, an explosion-proof sliding block, a recoil overload executing mechanism, a limiting pin, a limiting groove, a limiting locking mechanism, a solenoid, an armature, a yoke iron, an explosion transmission hole, a micro initiating explosive and an energy transmission channel; the metal frame is made of metal materials, and the interior of the metal frame is hollow; the metal frame is internally provided with an explosion-proof sliding block, and the surfaces of two sides of the explosion-proof sliding block are lower than the surfaces of two sides of the metal frame; the top end of the explosion-proof sliding block is provided with a limiting pin which is axially symmetrical about the centrifugal overload direction along the centrifugal overload direction, the inner edge of the top end of the metal frame is provided with a limiting groove at a position corresponding to the limiting pin, and the limiting pin and the limiting groove are in complementary patterns; the inner edges of the upper end and the lower end of the metal frame and the upper side and the lower side of the corresponding explosion-proof slide block are respectively provided with a limiting locking mechanism which is axially symmetrical about the centrifugal overload direction; the inner edges of the bottom end of the explosion-proof sliding block and the lower end of the corresponding metal frame are provided with a backseat overload actuating mechanism along the emission direction; the bottom end of the explosion-proof sliding block and the inner edge of the bottom end of the metal frame opposite to the explosion-proof sliding block are respectively provided with a yoke and an armature along the centrifugal overload direction, the solenoid is sleeved outside the yoke and the armature, and two ends of the solenoid are respectively connected to the solution protection control circuit; a detonation transfer hole is formed in the explosion-proof sliding block, and a micro initiating explosive is arranged in the detonation transfer hole; the metal bridge is positioned on one side of the explosion-proof sliding block, the energy transmission channel is positioned on the other side of the explosion-proof sliding block, the surface of the metal bridge is opposite to the first end of the energy transmission channel, and the second end of the energy transmission channel is connected to the explosion-transfer explosive column; the electromagnetic MEMS safety system can be restored to have a safe state and an attack state; before ammunition is not launched, the electromagnetic MEMS safety system can be restored to be in a safe state, the limiting locking mechanism fixes the position of the explosion-proof sliding block, the explosion-proof hole and the first end of the energy transmission channel are staggered, an electromagnetic driving unit of the protection-releasing control circuit energizes the solenoid, the solenoid is energized to generate a magnetic field, a yoke iron and an armature iron which are positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, and the electromagnetic force is not smaller than the centrifugal overload; after ammunition is launched, the electromagnetic MEMS safety system can be restored to move along with the ammunition along the launching direction, the limiting locking mechanism senses the recoil overload, and the limitation on the flame-proof sliding block is removed; the deputy control circuit enters countdown, and after the timing is finished, the deputy control circuit stops electrifying the solenoid, so that the electromagnetic force disappears; the explosion-proof sliding block moves under the action of centrifugal overload, and moves along the centrifugal overload direction under the constraint of a limiting locking mechanism, a limiting pin is meshed with a limiting groove, and an explosion-transmitting hole is aligned with the first end of the energy transmission channel and the metal bridge respectively; the explosion propagation hole is respectively aligned with the first end of the energy transmission channel and the metal bridge, and then the explosion propagation hole is divided into two conditions: not striking the target and striking the target; if the target is not hit, the electromagnetic driving unit of the de-protection control circuit energizes the solenoid, the energized solenoid generates a magnetic field, the yoke iron and the armature iron positioned in the magnetic field generate electromagnetic force, the direction of the electromagnetic force is opposite to that of centrifugal overload and the electromagnetic force is applied to the explosion-proof sliding block, and the electromagnetic force is not smaller than the centrifugal overload, so that the explosion-proof sliding block is restored to the position before launching, the explosion-proof hole is staggered with the first end of the energy transmission channel, and the safety is restored; if the target is hit, the protection-releasing control circuit applies current to the metal bridge, the metal bridge generates an electric heating effect, the micro initiating explosive is initiated, the detonation energy detonates the booster charge along the energy transmission channel, and the ammunition explodes.
2. The recoverable electromagnetic MEMS security system of claim 1, wherein the failsafe control circuit comprises: the device comprises an electromagnetic driving unit, a detonation unit and a main control unit; the electromagnetic driving unit and the detonation unit are respectively connected to the main control unit; two ends of the metal bridge are respectively connected to two ends of the detonation unit; both ends of the solenoid are respectively connected to the electromagnetic driving unit; before the ammunition is not launched, an electromagnetic driving unit of the protection release control circuit energizes the solenoid, and the solenoid is energized to generate a magnetic field; the master control unit enters countdown during transmission, and after the timing is finished, the master control unit sends a guarantee release command to the electromagnetic driving unit, the electromagnetic driving unit stops electrifying the solenoid, and the magnetic field of the solenoid disappears; if the target is not hit, the main control unit controls the electromagnetic driving unit to electrify the solenoid, and the electrified solenoid generates a magnetic field; if the target is hit, the main control unit controls the detonation unit to apply current to the metal bridge.
3. The recoverable electromagnetic MEMS security system of claim 1, wherein the squat overload actuator comprises: the device comprises a recoil limiting groove, a recoil limiting slide block, a recoil overload executing contact, a recoil limiting pin groove, a limiting spring, a spring limiting locking mechanism and a connecting rod; wherein, the tail end of the flame-proof slide block is provided with a recoil limit groove; a spring groove is formed in the position, corresponding to the recoil limiting groove of the flameproof slide block, of the inner edge of the lower end of the metal frame in the emission direction, the limiting spring is located in the spring groove, symmetrical spring limiting locking mechanisms are arranged on two sides of the inner wall of the spring groove, and a recoil limiting pin groove is formed in the lower end of the spring groove; the recoil limiting slide block is connected to the top end of the limiting spring through a connecting rod; the bottom end of the limiting spring is provided with a recoil overload executing contact; before ammunition is launched, the recoil limiting slide block is positioned in the recoil limiting groove, the limiting spring is in a free state, and a distance is reserved between the recoil overload executing contact and the recoil limiting pin groove; after ammunition is launched, the restorable electromagnetic MEMS safety system moves along the launching direction along with the ammunition, the recoil limiting sliding block senses recoil overload and moves along the recoil overload direction, the recoil limiting sliding block moves opposite to the launching direction, the recoil limiting sliding block is separated from the recoil limiting groove, the limiting spring is extruded, the recoil overload execution contact is inserted into the recoil limiting pin groove, the limiting spring is restrained by the spring limiting locking mechanism, the recoil limiting sliding block is prevented from returning, the position of the recoil limiting sliding block is locked, and therefore the limit of the flame-proof sliding block is relieved.
4. The recoverable electromagnetic MEMS security system of claim 1, wherein the metal bezel comprises a nickel-based metal or a copper-based metal material.
5. The recoverable electromagnetic MEMS security system of claim 1, wherein the limit lock mechanism comprises: the frame suspension beam, the frame limit contact end, the slider suspension beam and the slider limit contact end are arranged on the frame; the upper side and the lower side of the flame-proof sliding block are respectively provided with a sliding block suspension beam along the centrifugal overload direction, and the top end of the sliding block suspension beam is provided with a sliding block limiting contact end; frame suspension beams along the centrifugal overload direction are arranged at the inner edges of the upper and lower frames of the corresponding metal frames, and frame limiting contact ends are arranged at the top ends of the frame suspension beams; the sliding block suspension beam and the frame suspension beam limit frame limit contact end and the sliding block limit contact end can only move in the centrifugal overload direction in the limited interval, so that the explosion-proof sliding block can only move in the centrifugal overload direction.
6. The recoverable electromagnetic MEMS security system of claim 1, wherein the energy transmission channel is a right-angled channel.
7. The recoverable electromagnetic MEMS safety system of claim 1, further comprising anti-shaking bosses disposed between outer edges of upper and lower edges of the flameproof slider and inner edges of the opposing metal rims.
8. The recoverable electromagnetic MEMS safety system of claim 2, further comprising a solenoid assembly kit, wherein one end of the solenoid assembly kit is fixed to the end of the flameproof slider or the inner edge of the end of the metal frame, and the solenoid assembly kit is sleeved outside the solenoid; two ends of the solenoid are respectively connected to the electromagnetic driving unit of the release control circuit through the assembling mechanism in the solenoid assembling sleeve.
9. A control method for a recoverable electromagnetic MEMS safety system for ammunition, the control method comprising the steps of:
1) before ammunition is not launched, the electromagnetic MEMS safety system can be restored to be in a safe state, the limiting locking mechanism fixes the position of the explosion-proof sliding block, the explosion-proof hole and the first end of the energy transmission channel are staggered, the solenoid is electrified by the protection and release control circuit, the solenoid is electrified to generate a magnetic field, a yoke iron and an armature iron which are positioned in the magnetic field generate electromagnetic force, the electromagnetic force is applied to the explosion-proof sliding block in a direction opposite to the centrifugal overload direction, and the electromagnetic force is not smaller than the centrifugal overload;
2) after ammunition is launched, the electromagnetic MEMS safety system can be restored to move along with the ammunition along the launching direction, the limiting locking mechanism senses the recoil overload, and the limitation on the flame-proof sliding block is removed;
3) the deputy control circuit enters countdown, and after the timing is finished, the deputy control circuit stops electrifying the solenoid, so that the electromagnetic force disappears;
4) the explosion-proof sliding block moves under the action of centrifugal overload, and moves along the centrifugal overload direction under the constraint of a limiting locking mechanism, a limiting pin is meshed with a limiting groove, and an explosion-transmitting hole is aligned with the first end of the energy transmission channel and the metal bridge respectively;
5) the explosion propagation hole is respectively aligned with the first end of the energy transmission channel and the metal bridge, and then the explosion propagation hole is divided into two conditions: not hitting target and hitting target:
a) if the target is not hit, the electromagnetic driving unit of the de-protection control circuit energizes the solenoid, the energized solenoid generates a magnetic field, the yoke iron and the armature iron positioned in the magnetic field generate electromagnetic force, the direction of the electromagnetic force is opposite to that of centrifugal overload and the electromagnetic force is applied to the explosion-proof sliding block, and the electromagnetic force is not smaller than the centrifugal overload, so that the explosion-proof sliding block is restored to the position before launching, the explosion-proof hole is staggered with the first end of the energy transmission channel, and the safety is restored;
b) if the target is hit, the initiation unit of the release control circuit applies current to the metal bridge, the metal bridge generates an electric heating effect, the micro initiating explosive is initiated, the detonation energy detonates the booster charge along the energy transmission channel, and the ammunition explodes.
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| CN111076627B (en) * | 2020-01-06 | 2020-11-03 | 北京理工大学 | Remote time-delay solution MEMS safety system and method applied to high-overload and high-rotation environment |
| CN113218257B (en) * | 2020-01-21 | 2022-10-04 | 北京理工大学重庆创新中心 | Embedded electromagnetic drive planar MEMS safety system and control method thereof |
| CN112525022B (en) * | 2020-11-17 | 2022-03-18 | 南京理工大学 | Fuse security mechanism with modular design |
| CN113132900B (en) * | 2021-04-19 | 2022-02-11 | 北京理工大学 | Network cluster-oriented flying ammunition patrol safety control system and control method thereof |
| CN113834391B (en) * | 2021-08-25 | 2022-06-28 | 南京理工大学 | Recoverable MOEMS safety and safety relief device based on optical logic control |
| CN113935074B (en) * | 2021-09-17 | 2023-01-31 | 北京理工大学 | Safety control chip for transient self-destruction system of memory |
| CN113959288A (en) * | 2021-10-25 | 2022-01-21 | 湖北三江航天红林探控有限公司 | Resettable explosion-proof mechanism with feedback and explosion-proof method |
| CN114184098B (en) * | 2021-11-22 | 2022-08-19 | 北京理工大学 | Electromagnetically-driven nested resettable MEMS safety system and implementation method thereof |
| CN115682846B (en) * | 2022-08-29 | 2024-04-05 | 北京理工大学 | Electromagnetic folding beam recoverable MEMS safety system for weak environmental force and control method |
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| CN104613828B (en) * | 2015-02-05 | 2016-03-02 | 北京理工大学 | A kind of centrifugal insurance institution of the MEMS for rotating ammunition and insurance method thereof |
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