CN104964612A - Electromagnetic launch type emergency rescue throwing device - Google Patents
Electromagnetic launch type emergency rescue throwing device Download PDFInfo
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- CN104964612A CN104964612A CN201510359260.2A CN201510359260A CN104964612A CN 104964612 A CN104964612 A CN 104964612A CN 201510359260 A CN201510359260 A CN 201510359260A CN 104964612 A CN104964612 A CN 104964612A
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Abstract
The invention relates to an electromagnetic launch type emergency rescue throwing device. The throwing device comprises a throwing body projectile, a throwing cavity and a control module. The throwing body projectile is placed in the throwing cavity, and the control module provides multiple levels of electromagnetic force for the throwing body projectile placed in the throwing cavity so that the throwing body projectile can leave the throwing cavity at an expected speed. Because the electromagnetic force is adopted for driving the throwing body projectile in a multi-level mode, the size of the throwing device can be greatly reduced, and the portability of the throwing device in practical application is improved; because the electromagnetic force is easy to control, manual or automatic adjustment of the throwing distance can be achieved, and repeated launch can be achieved; because the throwing device is free of easily damaged parts, daily maintenance is convenient; no noise or smoke is generated in the electromagnetic launch process. Thus, the throwing device can be widely used as a line throwing and cable leading tool under adverse sea conditions or sudden natural disasters or ship repair conditions.
Description
Technical field
The present invention relates to a kind of flinger, particularly about a kind of electromagnetic launch formula automatic rescue flinger.
Background technology
Flinger, have another name called line throwing gun, saving casting device and line throwing gun etc., this utensil is mainly used in remote impelling utensil.It has mainly applied the sea-freight association areas such as ship mooring, rescue at sea and ship replenishment, corresponding to land related industry, also be widely used in fire-fighting and rescue, hydrology exploration, the rescue of flood torrent, electric stringing, earthquake rescue, rescue on ice, mountain region steep cliff climbs up by holding on to and People's Armed Police special force various fields such as assault rescue etc., be carry out the conventional a kind of important tool of rescue work, the market demand is more wide.At present, the flinger on market mainly contains two large classes: gunpowder flinger and pneumatic flinger, and gunpowder flinger gradually substitute by pneumatic flinger.
The operation principle of gunpowder flinger is taken from powder shotgun, relies on gunpowder conflagration, a large amount of gas of instantaneous generation, the projectile bullet of the gas propulsive band cable of expansion, projectile bullet and then acquisition kinetic energy.This type of drive Application comparison before 20th century the seventies is extensive, and the boats and ships overwhelming majority in the world was equipped with the line throwing gun of Schermuly factory of the U.S. at that time.But its shortcoming is also apparent, and the gunpowder of gunpowder flinger easily makes moist and lost efficacy, simultaneously gunpowder storage and use all there is sizable danger.The powder charge of gunpowder flinger single can only single emission in addition, in case of emergency can not meet instructions for use, and the stored number of bullet also limits it and uses.
The operation principle of pneumatic flinger is the kinetic energy being with cable projectile bullet by compressed-air actuated power conversion.Compared with gunpowder flinger, pneumatic flinger has the advantage that cast is far away, security is high, explosive force is strong, system stiffness is large and dynamic property is good.Since 20th century the eighties, along with the development of high-pressure pneumatics, pneumatic flinger instead of gunpowder flinger gradually, and application also constantly expands, and the market demand is objective.According to the difference of compressed-air-storing position and type of drive, pneumatic flinger can be divided into two classes: ejection type and injecting type.
Wherein, ejection type be by compressed-air-storing in flinger body, compressed-air actuated expansion work is controlled by valve body, after projectile bullet leaves transmitting tube, the compressed air drain charge in body air cavity and pipe enters air, and this kind of radiation pattern has larger range, but general volume is larger, there is high-pressure air source part in whole emitter, store and maintain comparatively difficulty at ordinary times, during transmitting, noise is huge.The projectile bullet of injecting type is a high pressure air cavity, and the compressed air of bullet inside, projectile promotes projectile bullet with the form that recoils and advances.During the operation of injecting type flinger, noise is little, compressed air utilization rate is high, recoil is little, but its fatal defects be projectile bullet aloft still in propelling, its track is affected by environment comparatively large, and ratio of precision is poor.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of electromagnetic launch formula automatic rescue flinger, it adopts electromagnetic force multiple drive power projectile bullet, greatly can reduce the volume of transmitter, improve the portability in actual application; Electromagnetic force is easy to control, and can realize the artificial or automation of cast and regulate, repeatedly repeat its transmission; The present invention, without consumable accessory, is convenient to operational maintenance and maintenance; Noiselessness and smog in Electromagnetic Launching process.
For achieving the above object, the present invention takes following technical scheme: a kind of electromagnetic launch formula automatic rescue flinger, is characterized in that: it comprises projectile bullet, impelling cavity and control module; Described projectile bullet is placed in described impelling cavity, and described control module provides multistage electromagnetic force for the described projectile bullet be placed in described impelling cavity, makes described projectile bullet leave described impelling cavity according to anticipation speed.
Described impelling cavity is a hollow cavity, and in its cavity, the outer shape of shape and described projectile bullet matches, and described impelling cavity one end open is used for putting into described projectile bullet; Other end cross section is notch cuttype, and port is an annular groove, also has the circular groove being less than this annular groove in this annular groove; Insert the bonnet that has hollow circuit cylinder in this circular groove, make circular groove and hollow circuit cylinder form cushion chamber, when launching described projectile bullet with box lunch, play cushioning effect; This bonnet is the circular groove type structure of forward direction opening, and hollow circuit cylinder is positioned at circular groove type central authorities; The outer sheathed ring spring of hollow circuit cylinder, one end of this spring withstands on the circular groove of described bonnet, and the other end arranges a Gask-O-Seal, and sealing pad is stuck in bottom the annular groove of described impelling cavity, also plays cushioning effect when launching described projectile bullet.
Described impelling cavity has the buffer guide rail of a horizontal through cavities, an inclinometer is fixed on described impelling cavity by bolt by described buffer guide rail; Described inclinometer is one have hollow rail and track is provided with the support of angle groove, and one end of this support is fixedly connected on a base, and the angle indicated on described inclinometer by described buffer guide rail is adjusted, to obtain the angle wanted.
Described projectile bullet comprises plastics heart, wraps up the described shell of plastics heart and be arranged on the rope fastening hole of described outer casing bottom; Described plastics heart adopts polyvinyl chloride.
Described control module comprises administration of power supply, acceleration mechanism, position detecting mechanism, velocity measurement mechanisms and microprocessor, and described acceleration mechanism and described position detecting mechanism one_to_one corresponding are arranged; Described administration of power supply is respectively described acceleration mechanism, described position detecting mechanism, described velocity measurement mechanisms and described microprocessor power supply; Described acceleration mechanism comprises some grades of accelerating coils and high power pulsed source circuit one to one, and described accelerating coil is arranged in described impelling cavity, accelerating coil described in each connects high power pulsed source circuit described in, and each high power pulsed source circuit described connects described microprocessor; Described position detecting mechanism detects for detecting the acceleration range whether described projectile bullet enters described accelerating coil in real time, and sends result of determination to described microprocessor; When described microprocessor receive result of determination be described projectile bullet enter described accelerating coil time, the corresponding described high power pulsed source circuit of described Microprocessor S3C44B0X is powered for this grade of described accelerating coil, described accelerating coil provides electromagnetic force to promote described projectile Projectile Motion, by that analogy, the action successively of described accelerating coil, accelerates to predetermined speed impelling by described projectile bullet and goes out described impelling cavity; Described velocity measurement mechanisms leaves the speed of projectile cavity for measuring described projectile bullet, and sends to described microprocessor to show this speed.
Described accelerating coil adopts insulation enamel covered wire to be entwined.
Described velocity measurement mechanisms adopts photoelectric sensor.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention provides electromagnetic force to drive projectile bullet owing to adopting accelerating coil and high power pulsed source circuit, therefore volume is not only taken little, thus reduce the volume of whole flinger, solve the problem that ejection type is bulky; And, from power resources, fundamentally abandon existing gunpowder and pressure-air launch power, solved the shortcoming of gunpowder or pneumatic flinger not easily shipping storage, and do not need to carry other servicing units, easy to carry.In addition, the present invention is compared to the motive force of traditional approach, the thrust that electromagnetic force produces is larger, electromagnetic force is easy to control, artificial or the automation of cast can be realized regulate, repeatedly repeat its transmission, efficiently solves the shortcoming of gunpowder and pneumatic transmitter repeat its transmission difference and improves the success rate of rescuing.2, impelling cavity of the present invention is a hollow cavity, and in its cavity, the outer shape of shape and projectile bullet matches, and impelling cavity one end open is used for putting into projectile bullet; Other end cross section is notch cuttype, and port is an annular groove, also has the circular groove being less than this annular groove in this annular groove; Insert the bonnet that has hollow circuit cylinder in this circular groove, making circular groove and hollow circuit cylinder form cushion chamber, playing cushioning effect when launching projectile bullet; This bonnet is the circular groove type structure of forward direction opening, and hollow circuit cylinder is positioned at circular groove type central authorities; The outer sheathed ring spring of hollow circuit cylinder, one end of this spring withstands on the circular groove of bonnet, the other end arranges a Gask-O-Seal, sealing pad is stuck in bottom the annular groove of impelling cavity, also cushioning effect is played when launching projectile bullet, the present invention, owing to adopting two-stage buffering method, substantially reduces recoil to the impact of launching.3, the accelerator of projectile of the present invention bullet is mainly in impelling chamber, relative to the radiation pattern of injecting type, affected by environment less, improve the precision of transmitting, and noiselessness and smog in Electromagnetic Launching process, solve pneumatic flinger and launch the large problem of noise.4, the present invention is owing to adopting power supply excitation, and deenergization when not using, is therefore convenient to deposit and transport.5, the present invention is without consumable accessory, is convenient to operational maintenance and maintenance, solves pneumatic flinger consumable accessory many, the shortcoming of not easily maintaining.Therefore, the present invention can be widely used in severe sea condition or the burst situation such as natural calamity, naval vessel benefit as shooting rope running line instrument.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention
Fig. 2 is administration of power supply schematic diagram of the present invention
Fig. 3 is the position relationship partial schematic diagram of projectile of the present invention bullet and impelling cavity
Fig. 4 is high power pulsed source circuit diagram of the present invention
Fig. 5 is optoelectronic position testing circuit schematic diagram of the present invention
Fig. 6 is velocity measurement mechanisms schematic diagram of the present invention
Fig. 7 is the position relationship partial schematic diagram of impelling cavity of the present invention and back seat
Fig. 8 is projectile of the present invention bullet schematic diagram
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention includes control module 1, impelling cavity 2, bonnet 3, base 4 and projectile bullet 5.
Control module 1 comprises administration of power supply 11, acceleration mechanism 12, position detecting mechanism 13, velocity measurement mechanisms 14, microprocessor 15 and emission switch 16, and acceleration mechanism 12 and position detecting mechanism 13 one_to_one corresponding are arranged.
As shown in Figure 2, administration of power supply 11 is respectively acceleration mechanism 12, position detecting mechanism 13, velocity measurement mechanisms 14 and microprocessor 15 provide direct current, this galvanic procurement process is as follows: administration of power supply 11 adopts high-energy battery or 220v civil power to power to rectifier bridge after transformer transformation and isolation, and at rectifier bridge shunt regulator diode D, Zener diode D is in parallel with rectifier bridge, the negative electrode of Zener diode D is connected with direct current anode, the anode of Zener diode D is connected with direct current negative electrode, play the pressure stabilization function of each mechanism that protection connects, direct current is obtained after rectifier bridge rectification.
Acceleration mechanism 12 accelerates for the projectile bullet 5 in impelling cavity 2, and it comprises some grades of accelerating coils 121 and high power pulsed source circuit 122 one to one.As shown in Figure 3, accelerating coil 121 is arranged in impelling cavity 2, and each accelerating coil 121 connects a high power pulsed source circuit 122, and each high power pulsed source circuit 122 connects microprocessor 15.
In above-described embodiment, accelerating coil 121 is entwined for adopting insulation enamel covered wire.
As shown in Figure 4, high power pulsed source circuit 122 is made up of some grades of voltage-multiplying circuits 1221 and isolation inductance 1222, forms multistage Marx circuit.
Isolate with isolating inductance 1222 between galvanic anode and voltage-multiplying circuit 1221 in administration of power supply 11, galvanic negative electrode is connected with the tail end of voltage-multiplying circuit 1221 afterbody.Isolation inductance 1222 plays the effect of current limliting in the process of voltage-multiplying circuit 1221 charged in parallel, plays the effect of isolated high-voltage in the process of discharged in series.Every one-level voltage-multiplying circuit 1221 forms by a nonpolarity storage capacitor C, an IGBT switching tube S and two Schottky diode VD.Illustrate that its connected mode is as follows: Schottky diode VD
2anode and the IGBT switching tube S of upper level
1anode, nonpolarity storage capacitor C
1one end be connected, Schottky diode VD
2negative electrode and IGBT switching tube S at the corresponding levels
2anode, nonpolarity storage capacitor C
2one end be connected; Schottky diode VD
3anode and nonpolarity storage capacitor C at the corresponding levels
2one end is connected, Schottky diode VD
3negative electrode and IGBT switching tube S at the corresponding levels
2negative electrode be connected.Direct current charges to each nonpolarity storage capacitor C through isolation inductance 1222, and electric energy temporarily stores in nonpolarity storage capacitor C.The grid of each the IGBT switching tube S in each voltage-multiplying circuit 1221 is connected with the output of microprocessor 15, realizes controlling high power pulsed source circuit 122 charge/discharge by microprocessor 15.Above-mentioned nonpolarity storage capacitor C is except having the function of energy storage electric discharge; also has the function of Clamping voltages; if the voltage on certain IGBT switching tube S has exceeded the voltage on nonpolarity storage capacitor C; now; nonpolarity storage capacitor C and Schottky diode VD is in parallel with IGBT switching tube S; Clamping voltages is provided, realizes overvoltage protection.Therefore, the inconsistent and different qualities that is switch of the gate drive voltage of IGBT switching tube S can not cause the over-voltage breakdown of device.Above-mentioned high power pulsed source circuit 122, owing to adopting IGBT switching tube S as switch, therefore simplifies the structure and is quick on the draw, efficiency increases.
As shown in Figure 3 and Figure 5, position detecting mechanism 13 comprises photoelectric displacement sensor 131 and optoelectronic position testing circuit 132 one to one, and each photoelectric displacement sensor 131 is positioned at the afterbody of every one-level accelerating coil 121.
Photoelectric displacement sensor 131 is used for detecting the acceleration range whether projectile bullet 5 enters this grade of accelerating coil 121, and sends detection signal to optoelectronic position testing circuit 132; Optoelectronic position testing circuit 132 judges detection projectile bullet 5 whether in the acceleration range of this accelerating coil 121 according to the detection signal received, and judged result is sent to microprocessor 15; Whether whether microprocessor 15 turns on and off according to high power pulsed source circuit 122 in the acceleration mechanism 12 of this position signalling control peer realizes being that accelerating coil 121 is provided for accelerating the energy that projectile bullet 5 leaves impelling cavity 2.
As shown in Figure 5, optoelectronic position testing circuit 132 is made up of voltage follower and laser-correlation sensor, laser-correlation sensor comprises generating laser and laser pickoff, the two is arranged on impelling cavity 2 both sides correspondence position, and laser pickoff connects voltage follower, the output of voltage follower connects microprocessor 15, because voltage follower and laser-correlation sensor are prior art, therefore no longer describes in detail.In above-mentioned voltage follower, voltage comparator adopts LM358PN, and this chip has cheap, stable performance and the performance such as power consumption is lower.The present invention is owing to adopting above-mentioned laser-correlation sensor, and therefore Detection results is sensitiveer, accurate.Laser transmitter projects laser in laser-correlation sensor, the laser pickoff on directive opposite; When laser pickoff receives laser, dark current is produced in circuit, thus make laser pickoff export high/low current potential (during electronegative potential, explanation has projectile bullet 5 to pass through), by high/low current potential with export low/high level signal after the reference voltage in voltage follower to microprocessor 15.
As shown in Figure 6, velocity measurement mechanisms 14 adopts photoelectric sensor, and it is arranged on impelling cavity 2 exit, and when microprocessor 15 sends signal for faster, microprocessor 15 starts timing simultaneously; When projectile bullet 5 is by after velocity measurement mechanisms 14, velocity measurement mechanisms 14 sends microprocessor 15 1 pulse signals to, and microprocessor 15 stops timing, obtains timing time thus.
Relation between the cast of the built-in speed computing formula of microprocessor 15, emitter bullet 5 and the progression of accelerating coil 121, and there is an input unit and a display screen.Inputted the cast of beam bullet 5 pending by input unit, microprocessor 15 according to built-in cast and and the progression of accelerating coil 121 between relation, control the progression of corresponding accelerating coil 121, different cast can be realized.The pulse current size provided due to high power pulsed source circuit 122 is fixing, when therefore needing different cast for projectile bullet 5, only needs the progression adjusting accelerating coil 121.According to the length l establishing projectile bullet 5 in microprocessor 15, obtain according to v=l/t the average speed that projectile bullet 5 leaves impelling cavity 2, and this speed is shown by microprocessor 15.
Emission switch 16 connects microprocessor 15, and the work for controlling microprocessor 15 starts and end.
As shown in Figure 1 and Figure 7, impelling cavity 2 is a hollow cavity, and in its cavity, the outer shape of shape and projectile bullet 5 matches, and this impelling cavity 2 one end open is used for putting into projectile bullet 5; Other end cross section is notch cuttype, and port is an annular groove 21, also has the circular groove 22 being less than this annular groove in this annular groove 21.Impelling cavity 2 has the buffer guide rail 23 of a horizontal through cavities, one inclinometer 6 is fixed on impelling cavity 2 by bolt by buffer guide rail 23, this inclinometer 6 is one have hollow rail and track is provided with the support of angle groove, one end of this support is fixedly connected on base 4, and on it, hollow rail is used for the angle that buffer guide rail 23 indicates impelling cavity 2 and base 4 horizontal direction thereon.
The inwall of impelling cavity 2 is arranged some grades of accelerating coils 121, every one-level accelerating coil 121 connects high power pulsed source circuit 122 respectively by cable, every one-level accelerating coil 121 afterbody arranges a photoelectric displacement sensor 131, each photoelectric displacement sensor 131 connects optoelectronic position testing circuit 132 respectively by cable, one velocity measurement mechanisms 14 is set in the exit of impelling cavity 2, velocity measurement mechanisms 14 connects microprocessor 15 by cable, all cables are all by impelling cavity 2 having the various piece in cable aperture 24 link control module 1 of insulation water-proof seal design.
Bonnet 3 is the circular groove type structure of a forward direction opening, there is in it hollow circuit cylinder, this hollow circuit cylinder is set to hollow form can reduce overall weight of the present invention, and the diameter of this hollow circuit cylinder is slightly smaller than the circular groove 22 of impelling cavity 2, and is arranged in circular groove 22; The outer sheathed ring spring 7 of hollow circuit cylinder, one end of spring 7 withstands on the circular groove of bonnet 3, the other end arranges a Gask-O-Seal 8, and sealing pad 8 is stuck in bottom the annular groove 21 of impelling cavity 2, makes the circular groove 22 of impelling cavity 2 form cushion chamber with the hollow circuit cylinder of bonnet 3.
As shown in Figure 1, on base 4, one end has a back seat, and this back seat connects bonnet 3 by screws, is convenient to the emission angle regulating impelling cavity 2.Above-mentioned base 4 by back seat can be convenient, flexible be arranged on hull, vehicle is first-class.
As shown in Figure 8, projectile bullet 5 comprises plastics heart 51, the shell 52 wrapping up plastics heart and the rope fastening hole 53 be arranged on bottom shell 52, and rope fastening hole 53 arranges for routine therefore no longer describes in detail.Above-mentioned plastics heart 51 alleviates the quality of projectile bullet 5, improves the crash resistance of projectile bullet 5 simultaneously.
In above-described embodiment, plastics heart 51 is polyvinyl chloride material preferably, resists and falls very well, not easily damage hull again with hull collision rift.
In above-described embodiment, shell 52 adopts aluminium, copper or ferromagnetics, preferred aluminium.
When the present invention works:
1) projectile bullet 5 is placed in impelling cavity 2, and to open main switch be that the present invention powers;
2) administration of power supply 11 adopt high-energy battery or 220v civil power to provide rectifying and wave-filtering after direct current be that acceleration mechanism 12, position detecting mechanism 13, velocity measurement mechanisms 14 and microprocessor 15 in control module 1 is powered;
Now in acceleration mechanism 12 high power pulsed source circuit 122 each voltage-multiplying circuit 1221 in nonpolarity storage capacitor C carry out energy storage; Photoelectric displacement sensor 131 in position detecting mechanism 13 detects the acceleration range whether projectile bullet 5 enters this grade of accelerating coil 121 in real time, thus determines whether the pulse current loading this grade of accelerating coil 121.
3) cast of beam bullet 5 pending is inputted by the input unit of microprocessor 15, microprocessor 15 according to built-in cast and and the progression of accelerating coil 121 between relation, control the progression of corresponding accelerating coil 121, realize the cast wanted;
Range due to projectile bullet 5 comprises cast and impelling angle, therefore staff is according to impelling needs, angle between adjustment impelling cavity 2 and base 4, and indicate the angle on inclinometer 6 to observe by buffer guide rail 23, until adjust bolt after reaching the angle of anticipation, impelling cavity 2 and inclinometer 6 is made to be fixed on the angle of anticipation;
4) staff presses emission switch 16, detection signal is sent to corresponding optoelectronic position testing circuit 132 by the photoelectric displacement sensor 131 being positioned at first order accelerating coil 121 afterbody, this signal and reference voltage contrast by optoelectronic position testing circuit 132, judge whether projectile bullet 5 enters the acceleration range (NO.1) of first order accelerating coil 121, and send result to microprocessor 15;
5) if the result that microprocessor 15 obtains is the acceleration range of projectile bullet 5 through this accelerating coil 121, IGBT switching tube S Continuity signal in voltage-multiplying circuit 1221 during then microprocessor 15 sends in first order acceleration mechanism 12 high power pulsed source circuit 122, originally nonpolarity energy storage capacitor in series in parallel together, serve the instantaneous multiplication of energy, thus produce a high energy pulse, act on the accelerating coil 121 of this grade, the high power currents providing movement magnetic field (the capable ripple of magnetic) of transient change, the shell 52 of projectile bullet 5 produces induced-current, induced-current is under the magnetic fields of accelerating coil 121 electric current, produce Ampere force, making projectile bullet 5 accelerated motion and launching (is namely the principle based on linear electric motors in essence, accelerating coil 121 is equivalent to the elementary of linear electric machine, the aluminium shell of projectile bullet 5 is equivalent to secondary),
6) when projectile bullet 5 leaves first order accelerating coil 121, microprocessor 15 transmits control signal to high power pulsed source circuit 122, disconnects high power pulse, terminates accelerator at the corresponding levels, and charge to nonpolarity storage capacitor C, launch with the acceleration prepared next time;
When projectile bullet 5 relies on inertia to fly to the acceleration range of next stage accelerating coil 121 time (NO.2), the same position being detected projectile bullet 5 by optoelectronic position testing circuit 132, trigger corresponding accelerating coil 121, accelerate to projectile bullet 5; By that analogy, accelerating coil 121 action successively, accelerates to predetermined speed by projectile bullet 5, and impelling goes out impelling cavity 2, thus makes projectile bullet 5 obtain maximum muzzle velocity after repeatedly accelerating.
7) establish the length l of projectile bullet 5 in microprocessor 15, when microprocessor 15 sends signal for faster, microprocessor 15 starts timing simultaneously; When projectile bullet 5 is by after velocity measurement mechanisms 14, velocity measurement mechanisms 14 sends microprocessor 15 1 pulse signals to, and microprocessor 15 stops timing; Microprocessor 15, according to built-in v=l/t, is obtained the average exit speed that projectile bullet 5 leaves impelling cavity 2, and this speed is shown by display screen.
In the above-mentioned course of work, the effect due to power is mutual, while acceleration projectile bullet 5, and the impelling cavity 2 impelling recoil that also recipient is huge; Spring 7 plays the effect of first-level buffer between the circular groove type and hollow circuit cylinder of bonnet 3; The circular groove 22 of impelling cavity 2, between the hollow circuit cylinder of bonnet 3 and sealing gasket 8, form cushion chamber, when recoil is larger, the gas in cushion chamber is gradually compressed, and internal pressure constantly increases, serve the effect of level 2 buffering, effectively eliminate recoil to the impact of launching.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (9)
1. an electromagnetic launch formula automatic rescue flinger, is characterized in that: it comprises projectile bullet, impelling cavity and control module;
Described projectile bullet is placed in described impelling cavity, and described control module provides multistage electromagnetic force for the described projectile bullet be placed in described impelling cavity, makes described projectile bullet leave described impelling cavity according to anticipation speed.
2. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 1, it is characterized in that: described impelling cavity is a hollow cavity, in its cavity, the outer shape of shape and described projectile bullet matches, and described impelling cavity one end open is used for putting into described projectile bullet; Other end cross section is notch cuttype, and port is an annular groove, also has the circular groove being less than this annular groove in this annular groove; Insert the bonnet that has hollow circuit cylinder in this circular groove, make circular groove and hollow circuit cylinder form cushion chamber, when launching described projectile bullet with box lunch, play cushioning effect; This bonnet is the circular groove type structure of forward direction opening, and hollow circuit cylinder is positioned at circular groove type central authorities; The outer sheathed ring spring of hollow circuit cylinder, one end of this spring withstands on the circular groove of described bonnet, and the other end arranges a Gask-O-Seal, and sealing pad is stuck in bottom the annular groove of described impelling cavity, also plays cushioning effect when launching described projectile bullet.
3. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 1, it is characterized in that: the buffer guide rail described impelling cavity with a horizontal through cavities, an inclinometer is fixed on described impelling cavity by bolt by described buffer guide rail; Described inclinometer is one have hollow rail and track is provided with the support of angle groove, and one end of this support is fixedly connected on a base, and the angle indicated on described inclinometer by described buffer guide rail is adjusted, to obtain the angle wanted.
4. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 2, it is characterized in that: the buffer guide rail described impelling cavity with a horizontal through cavities, an inclinometer is fixed on described impelling cavity by bolt by described buffer guide rail; Described inclinometer is one have hollow rail and track is provided with the support of angle groove, and one end of this support is fixedly connected on a base, and the angle indicated on described inclinometer by described buffer guide rail is adjusted, to obtain the angle wanted.
5. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described projectile bullet comprise plastics heart, parcel plastics heart described shell and be arranged on the rope fastening hole of described outer casing bottom; Described plastics heart adopts polyvinyl chloride.
6. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described control module comprises administration of power supply, acceleration mechanism, position detecting mechanism, velocity measurement mechanisms and microprocessor, and described acceleration mechanism and described position detecting mechanism one_to_one corresponding are arranged;
Described administration of power supply is respectively described acceleration mechanism, described position detecting mechanism, described velocity measurement mechanisms and described microprocessor power supply;
Described acceleration mechanism comprises some grades of accelerating coils and high power pulsed source circuit one to one, and described accelerating coil is arranged in described impelling cavity, accelerating coil described in each connects high power pulsed source circuit described in, and each high power pulsed source circuit described connects described microprocessor;
Described position detecting mechanism detects for detecting the acceleration range whether described projectile bullet enters described accelerating coil in real time, and sends result of determination to described microprocessor;
When described microprocessor receive result of determination be described projectile bullet enter described accelerating coil time, the corresponding described high power pulsed source circuit of described Microprocessor S3C44B0X is powered for this grade of described accelerating coil, described accelerating coil provides electromagnetic force to promote described projectile Projectile Motion, by that analogy, the action successively of described accelerating coil, accelerates to predetermined speed impelling by described projectile bullet and goes out described impelling cavity; Described velocity measurement mechanisms leaves the speed of projectile cavity for measuring described projectile bullet, and sends to described microprocessor to show this speed.
7. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 6, is characterized in that: described accelerating coil adopts insulation enamel covered wire to be entwined.
8. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 6, is characterized in that: described velocity measurement mechanisms adopts photoelectric sensor.
9. a kind of electromagnetic launch formula automatic rescue flinger as claimed in claim 7, is characterized in that: described velocity measurement mechanisms adopts photoelectric sensor.
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| CN201510359260.2A CN104964612A (en) | 2015-06-25 | 2015-06-25 | Electromagnetic launch type emergency rescue throwing device |
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| CN201510359260.2A CN104964612A (en) | 2015-06-25 | 2015-06-25 | Electromagnetic launch type emergency rescue throwing device |
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| CN111637795A (en) * | 2019-03-01 | 2020-09-08 | 南京理工大学 | Aerial anti-unmanned aerial vehicle trapping apparatus based on electromagnetic emission technique |
| CN111780615A (en) * | 2019-04-04 | 2020-10-16 | 南京理工大学 | Electromagnetic coil emitting device capable of automatically adjusting initial speed |
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| CN107289815A (en) * | 2017-07-10 | 2017-10-24 | 清华大学 | A kind of electromagnetic railgun armature method for control speed and device |
| CN107289815B (en) * | 2017-07-10 | 2019-04-05 | 清华大学 | A kind of electromagnetic railgun armature method for control speed and device |
| CN111637795A (en) * | 2019-03-01 | 2020-09-08 | 南京理工大学 | Aerial anti-unmanned aerial vehicle trapping apparatus based on electromagnetic emission technique |
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| CN110253275A (en) * | 2019-08-07 | 2019-09-20 | 东莞市米勒机器人有限公司 | A kind of electromagnetism feed screw locking machine system |
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| CN111071416A (en) * | 2019-12-12 | 2020-04-28 | 广州国曜科技有限公司 | Electromagnetic catapult with recoverable function |
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| CN113888904A (en) * | 2021-09-17 | 2022-01-04 | 海南超船电子商务有限公司 | Intelligent navigation early warning system for ship |
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