CN112964128A

CN112964128A - Electromagnetic induction percussion trajectory gun capable of measuring micro-firing impulse

Info

Publication number: CN112964128A
Application number: CN202110132143.8A
Authority: CN
Inventors: 郭东海; 景春温; 吴胜光; 刘科言; 龙建华
Original assignee: Chongqing Jianshe Industry Group Co Ltd
Current assignee: Chongqing Jianshe Industry Group Co Ltd
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-06-15

Abstract

The invention discloses an electromagnetic induction percussion ballistic gun capable of measuring micro-firing impulse, which comprises a bottom plate, a support, a cartridge chamber, a gun barrel, a tail nozzle, a front baffle, a rear baffle, an optical axis and ammunition, wherein the bottom plate is arranged at the bottom of the ballistic gun and is fixedly installed with a test frame, and the surface of the bottom plate is provided with a graduated scale; the supports are fixedly arranged above the bottom plate and are provided with a plurality of supports; the cartridge chamber is arranged above the bottom plate, the front end and the rear end of the cartridge chamber are provided with threads, and the cartridge chamber is in threaded connection with the pressure gauge; the tail part of the gun barrel is in threaded connection with the front end of the cartridge chamber; the tail spray bolt is connected with the rear end of the cartridge chamber in a screwing way; the front baffle is sleeved at the front end of the cartridge chamber and fixedly connected with the cartridge chamber, and a linear bearing is fastened by threads; the back baffle is sleeved at the back end of the cartridge chamber and fixedly connected with the cartridge chamber, the linear bearing is fastened by threads, the bottom of the linear bearing is fixedly connected with the pointer, and the pointer is positioned above the graduated scale; the optical axis penetrates through the support, the front baffle linear bearing and the rear baffle linear bearing to serve as a ballistic gun slide rail; the ammunition is a shell-free ammunition, the ammunition bottom is connected with the electromagnetic induction secondary coil in series, electromagnetic induction is formed between the ammunition bottom and the primary coil to achieve firing, and balance during firing of the ballistic gun is achieved by replacing Laval nozzles with different sizes.

Description

Electromagnetic induction percussion trajectory gun capable of measuring micro-firing impulse

Technical Field

The invention belongs to the technical field of firearms, and relates to an electromagnetic induction percussion trajectory gun capable of measuring micro-firing impulse.

Background

At present, the conventional ballistic guns mainly shoot steel or copper shell ammunition, almost no ballistic gun with a combustible cartridge acting on a shell is available, and a locking body of the conventional ballistic gun is not provided with a Laval nozzle structure, so the shooting impulse of the conventional ballistic gun is related to the power of the projectile, and the larger the power of the projectile is, the larger the impulse of the ballistic gun is.

For a balanced ballistic gun, a small impulse is generated, and the influence of the small impulse on the weapon is often ignored by conventional weapon designs, and the value cannot be measured separately. For special combat environments, this small impulse often affects the smoothness of the firing of the weapon. Therefore, the value is measured, and the firing of the ballistic gun is in a balanced state by replacing the Laval nozzle structure with different sizes of tail nozzles.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an electromagnetic induction percussion ballistic gun capable of measuring micro-firing impulse.

The purpose of the invention is realized as follows:

an electromagnetic induction percussion ballistic gun capable of measuring micro-firing impulse, which comprises

The bottom plate is arranged at the bottom of the ballistic gun and fixedly mounted with the test frame, and the surface of the bottom plate is provided with a graduated scale for measuring the launching impulse of the electromagnetic induction percussion ballistic gun;

the support is fixedly arranged above the bottom plate, a through hole is formed in the center of the support, and the support is connected with the bottom plate through screws and is provided with a plurality of supports;

the cartridge chamber is arranged above the bottom plate, threads are arranged at the front end and the rear end of the cartridge chamber, a pressure measuring hole is vertically formed in the middle of the cartridge chamber, the cartridge chamber is used for containing ammunition and bearing pressure load when the ammunition is launched, and a pressure measuring device is screwed in the pressure measuring hole;

the tail part of the gun barrel is in threaded connection with the front end of the cartridge chamber, a plurality of rifling lines are arranged in the gun barrel, the rotating direction of each rifling line is opposite to that of the thread at the tail part of the gun barrel, and the center line of the gun barrel and the center line of the cartridge chamber are positioned on the same straight line;

the tail spray is in threaded connection with the rear end of the cartridge chamber and is used for spraying gunpowder gas out of the tail spray, the impulse generated when the shot is launched is balanced, a coil in the tail spray is protected from being blown off by the gunpowder gas, and the center line of the tail spray, the center line of the barrel and the center line of the cartridge chamber are positioned on the same straight line;

the front baffle is sleeved at the front end of the cartridge chamber and fixedly connected with the cartridge chamber, the left side and the right side of the front baffle are symmetrically provided with interfaces for mounting linear bearings, and the linear bearings are fastened on the front baffle in a threaded manner;

the back baffle is sleeved at the rear end of the cartridge chamber and fixedly connected with the cartridge chamber, the left side and the right side of the back baffle are symmetrically provided with interfaces for mounting linear bearings, the linear bearings are fastened on the back baffle in a threaded manner, the bottom of the back baffle is also fixedly connected with a pointer, and the pointer is positioned above the bottom plate graduated scale;

the optical axis penetrates through the support, the linear bearing of the front baffle, the support, the linear bearing of the rear baffle and the support in sequence to serve as a ballistic gun slide rail, so that a ballistic gun can move on the slide rail when being launched, screw holes are formed in two ends of the optical axis, the optical axis is further provided with baffle rings, screws penetrate through the baffle rings and are screwed at two ends of the optical axis, the end faces of the baffle rings are attached to the end face of the support, the two ends of the optical axis are axially limited, and the optical axis is prevented from moving left and right;

the ammunition is a shell-free ammunition, the ammunition bottom is connected with an electromagnetic induction secondary coil in series, and the ammunition bottom and a primary coil in tail spraying form electromagnetic induction to realize firing;

the ballistic gun shooting generates recoil, the ballistic gun moves backwards along the optical axis, the unbalanced impulse of the ballistic gun is calculated according to the different values pointed out by the pointer on the backboard on the bottom plate graduated scale and the size and the direction of the graduated scale values, and the ballistic gun is in a complete balance state by replacing tail jets with different sizes during shooting.

Furthermore, the tail spray comprises a tail spray body, a laval spray pipe, a ceramic coil protection ring and an outgoing line protection device, wherein the ceramic coil protection ring is sleeved at the front part of the tail spray body, the laval spray pipe and the ceramic coil are sleeved in the ceramic coil protection ring, and the outgoing line protection device is fastened at the rear end of the tail spray body in a threaded manner and is used for protecting an enameled wire in the ceramic coil.

Further, the tail spraying body is a cylinder with a stepped hole in the center, the outer circle surface is provided with threads and is connected with the rear end of the cartridge chamber, the tail end is provided with a tail spraying body wire outlet along the axial direction, the tail part is provided with a fastening abdicating groove, the abdicating groove is clamped by a tool, the tail spraying body is convenient to fasten abdicating, a tail spraying body guide rail groove is axially arranged in a large-diameter hole of the tail spraying body stepped hole, the ceramic coil protection ring is a cylinder body with a stepped hole in the center, the large-diameter hole is axially provided with a ceramic coil protection ring guide rail groove, the outer surface is axially provided with a ceramic coil protection ring guide rail and is matched and installed with the tail spraying body guide rail groove, the inside of the laval spraying pipe is in a shape with two horn mouths and a middle circular hole, the outer surface is provided with a laval spraying pipe guide rail and a laval wire outlet, the laval spraying pipe guide rail is matched and installed with the ceramic coil protection ring guide, the wire leading-out protection device is used for leading out the enameled wire in the ceramic coil to the wire leading-out protection device, the ceramic coil is an annular framework, and an annular groove is formed in the middle of the ceramic coil and used for surrounding the enameled wire. .

Further, protection device that is qualified for next round of competitions includes protection tube, protection tube fixing base and connecting seat, the protection tube is the cavity cylinder pipe, along vertical symmetrical arrangement, and the protection tube lower extreme is equipped with the location boss, the protection tube fixing base sets up at the protection tube lower extreme, and the protection tube is spacing by supreme protection tube fixing base that penetrates and through protection tube location boss axial down, the connecting seat sets up in protection tube fixing base below, with protection tube fixing base screw thread fastening connection, and protection device that is qualified for the next round of competitions passes through the connecting seat fastening connection and spouts the body at the tail, one side that the connecting seat is close to the tail and still is equipped with the groove of stepping down for stepping down to the enameled wire of.

Furthermore, the shell of the ammunition is a combustible cartridge, granular gunpowder and electronic primer are filled in the shell, and the ammunition is an aluminum ammunition.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

1. the ballistic gun adopts an electric firing mode, a firing mechanism of the traditional ballistic gun is not needed, the structure and the principle of the ballistic gun are simplified, and the reliability of the ballistic gun is improved;

2. the tail spray of the ballistic gun adopts a Laval nozzle structure, and when the ballistic gun is fired, gunpowder gas is sprayed backwards from the Laval nozzle to offset impulse brought by shot launching, so that the recoil of the ballistic gun can be greatly reduced;

3. the ballistic gun is placed on the optical axis, unbalanced impulses generated when different ammunitions are fired can force the ballistic gun to move on the optical axis, and the magnitude of the unbalanced impulses generated when the ammunitions are fired can be calculated according to the moving direction and distance of the ballistic gun on the optical axis;

4. replacing Laval nozzles with different sizes in tail nozzle according to the calculated magnitude of unbalanced impulse, and making the ballistic gun in a balanced state in the launching process under different launching conditions;

5. the tail spray body, the Laval nozzle and the ceramic coil protection ring are installed in a matching way through the guide rail and the guide rail groove, so that the wire outlet hole of the Laval nozzle is conveniently aligned with the wire outlet hole of the tail spray body at one time;

6. the enameled wire of the ceramic coil passes through the outlet holes of the Laval nozzle and the tail nozzle body and then penetrates into the protective tube to be led out from the upper part of the ballistic gun, so that gunpowder gas sprayed out of the Laval nozzle is prevented from directly acting on the enameled wire, and the enameled wire is protected from being blown off.

7. The barrel is connected with the chamber through threads, and the pin shaft is not needed to be fastened, so that the process flow is saved;

drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main structure of a ballistic gun;

FIG. 3 is a schematic view of the connection of the base plate and the stand;

FIG. 4 is a cross-sectional view of the body of the ballistic gun;

FIG. 5 is a cross-sectional view of the tail nozzle;

FIG. 6 is a right side view of the fitting of the tail lance with the ceramic coil guard;

FIG. 7 is a cross-sectional view of a ceramic coil guard;

FIG. 8 is a right side view of the Laval nozzle installed in cooperation with a ceramic coil protector;

FIG. 9 is a schematic view of the structure of a Laval nozzle;

fig. 10 is a schematic structural diagram of the outgoing line protection device;

fig. 11 is a sectional view of the protection tube and the protection tube holder;

FIG. 12 is a schematic view of a tailgate and pointer connection;

FIG. 13 is a schematic view of the front fender attachment to the linear bearing;

FIG. 14 is a schematic view of the structure of the optical axis;

FIG. 15 is a schematic view of the optical axis assembled with the holder;

reference numerals

In the drawing, 01 is tail spray, 1 is cartridge chamber, 2 is barrel, 3 is pointer, 4 is ammunition, 5 is bottom plate, 6 is support, 7 is optical axis, 8 is front baffle, 9 is rear baffle, 10 is pressure detector, 11 is linear bearing, 12 is tail spray body, 13 is laval spray tube, 14 is ceramic coil guard ring, 15 is ceramic coil, 16 is enameled wire, 17 is protection tube, 18 is protection tube fixing seat, 19 is connecting seat, 20 is optical axis baffle ring, 101 is pressure measuring hole,

501 is a U-shaped groove, 502 is a graduated scale, 1201 is a fastening abdicating groove, 1202 is a tail jet body guide rail groove, 1301 is a laval jet pipe nozzle, 1302 is a laval jet pipe outlet hole, 1303 is a laval jet pipe guide rail, 1401 is a ceramic coil protection ring guide rail groove, 1402 is a ceramic coil protection ring guide rail, 1701 is a positioning boss, 1901 is a connecting seat abdicating groove;

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the drawings, wherein the barrel position is used as the front

Referring to fig. 1-15, an electromagnetic induction percussion ballistic gun capable of measuring micro-firing impulse comprises a bottom plate 5, a support 6, a cartridge chamber 1, a gun barrel 2, a tail nozzle 01, a front baffle 8, a rear baffle 9, an optical axis 7 and ammunition 4, wherein the bottom plate 5 is arranged at the bottom of the ballistic gun, two symmetrical U-shaped grooves 501 are formed in the front and the rear of the bottom plate 5 and fixedly mounted with a test stand, 12 threaded holes are formed in the bottom plate, and a graduated scale 502 is arranged on the surface of one side of the bottom plate 5 and used for measuring the firing impulse of the electromagnetic induction percussion ballistic gun;

as shown in fig. 1 and fig. 3, the support 6 is fastened and installed above the bottom plate 5 by screws, a through hole is formed in the center of the support 6, the support 6 and the bottom plate 5 are fastened and connected by screws, and a plurality of supports 6 are installed;

as shown in fig. 1, 2 and 4, the cartridge chamber 1 is arranged above the bottom plate 5, the cartridge chamber 1 is a cylinder with a stepped hole inside, threads are arranged at the front end and the rear end of the cartridge chamber 1, the front end is a left-handed thread, the rear end is a right-handed thread, a pressure measuring hole 101 is vertically arranged in the middle of the cartridge chamber 1, the cartridge chamber 1 is used for containing ammunition 4 and bearing a pressure load when the ammunition is launched, and a pressure measuring device 10 is screwed in the pressure measuring hole 101;

the tail part of the gun barrel 2 is connected with the left-handed thread at the front end of the

cartridge chamber

1, 8 rifles are arranged in the gun barrel, the rotating direction of each rifle is opposite to the rotating direction of the thread at the tail part of the gun barrel, the rotating direction of each rifle is right-handed, the central line of the gun barrel 2 and the central line of the cartridge chamber 1 are positioned on the same straight line, when ammunition is launched, the ammunition moves in the gun barrel with 8 right-handed rifles, and the force of the ammunition acting on the gun barrel promotes the left-handed thread on the excircle of the gun barrel to be;

the tail nozzle 01 is in threaded connection with the rear end of the chamber 1 and is used for spraying gunpowder gas from the tail nozzle 01, balancing impulse generated when a projectile is launched, protecting a coil in the tail nozzle from being blown off by the gunpowder gas, and enabling the central line of the tail nozzle 01, the central line of the barrel 2 and the central line of the chamber 1 to be located on the same straight line;

in this embodiment, as shown in fig. 5 to 9, the tail nozzle 01 includes a tail nozzle body 12, a laval nozzle 13, a ceramic coil 15, a ceramic coil protection ring 14, and an outgoing line protection device, where the ceramic coil protection ring 14 is sleeved on the front portion of the tail nozzle body 12, the laval nozzle 13 and the ceramic coil 15 are sleeved in the ceramic coil protection ring 14, and the outgoing line protection device is fastened to the rear end of the tail nozzle body 12 through a screw thread and is used for protecting an enameled wire 16 in the ceramic coil 14.

The tail nozzle body 12 is a cylinder with a stepped hole in the center, the outer circle surface is provided with threads and is connected with the rear end of the cartridge chamber 1, the tail end is provided with a tail nozzle body wire outlet along the axial direction, the tail part is provided with a fastening abdicating groove 1201, the abdicating groove 1201 is clamped by using a special tool so as to facilitate the fastening abdicating of the tail nozzle body 12, a tail nozzle body guide rail groove 1202 is axially arranged in a large-diameter hole of the stepped hole of the tail nozzle body 12, the ceramic coil protective ring 14 is a cylinder with a stepped hole in the center, a ceramic coil protective ring guide rail groove 1401 is axially arranged in the large-diameter hole, a ceramic coil protective ring guide rail 1402 is axially arranged on the outer surface and is matched and installed with the tail nozzle body guide rail groove 1202, the inside of the laval nozzle 13 is in a laval nozzle opening shape 1301 with horn openings at two ends and a circular hole in the middle, a laval nozzle guide rail 1303 and a laval nozzle wire outlet, the laval nozzle wire outlet 1302 corresponds to the tail nozzle wire outlet and is used for leading out the enameled wire 16 in the ceramic coil to a wire outlet protection device, the ceramic coil 15 is an annular framework, an annular groove is arranged in the middle of the ceramic coil, the main body of the ceramic coil is ceramic, and the enameled wire 16 surrounds in the annular groove; the tail spraying body 12, the laval nozzle 13 and the ceramic coil protection ring 14 are matched with each other through a guide rail and a guide rail groove, so that the outlet hole 1302 of the laval nozzle is aligned with the outlet hole of the tail spraying body at one time, and smooth leading-out of the enameled wire 16 is facilitated.

Leading out the enameled wire: two exposed wires of an enameled wire 16 wound on a ceramic coil 15 penetrate through a Walar nozzle wire outlet hole 1302, the two exposed wires of the enameled wire 16 are integrally placed into a ceramic coil protection ring guide rail groove 1401 through a Laval nozzle guide rail 1303, the two exposed wires of the enameled wire 16 penetrate through a wire outlet hole of a tail spray body 12, then a ceramic coil protection ring guide rail 1402 is placed into a tail spray body guide rail groove 1202, the two exposed wires of the enameled wire 16 penetrate through a connecting seat abdicating groove 1901, penetrate out from a protection tube 17 and are led out from the upper side of a ballistic gun, gunpowder gas sprayed from the Laval nozzle is avoided directly acting on the enameled wire, and therefore the enameled wire is protected from being blown off.

As shown in fig. 10 and 11, the outlet protection device comprises a protection tube 17, a protection tube fixing seat 18 and a connecting seat 19, the protection pipe 17 is a hollow cylindrical pipe, two protection pipes are arranged and are symmetrically arranged along the longitudinal direction, the lower end of the protection pipe 17 is provided with a positioning boss 1701, the protection tube fixing seat 18 is arranged at the lower end of the protection tube 17, the protection tube 17 penetrates into the protection tube fixing seat 18 from bottom to top and is axially limited by the protection tube positioning boss 1701, the connecting seat 19 is arranged below the protection tube fixing seat 18, is in threaded fastening connection with a protection tube fixing seat 18, the outgoing line protection device is in fastening connection with the tail spraying body 12 through a connecting seat 19, one side of the connecting seat 19 close to the tail spraying body 12 is also provided with a abdicating groove 1901, is used for abdicating the drawn enameled wire 16, so that the enameled wire 16 can penetrate into the protection tube 17, and an outlet protection device is arranged on the tail spray, so that the enameled wire 16 of the ceramic coil can be protected from being blown off by gunpowder gas.

As shown in fig. 1, 2 and 13, the front baffle 8 is sleeved at the front end of the cartridge chamber 1 and is fixedly connected with the cartridge chamber 1 through pin shaft matching, the left side and the right side of the front baffle 8 are symmetrically provided with interfaces for mounting linear bearings 11, and the linear bearings 11 are fastened on the front baffle 8 through threads;

as shown in fig. 1, 2 and 12, the rear baffle 9 is sleeved at the rear end of the cartridge chamber 1 and is fixedly connected with the cartridge chamber 1 through pin shaft matching, the left side and the right side of the rear baffle 9 are symmetrically provided with interfaces for mounting the linear bearings 11, the linear bearings 11 are fastened on the rear baffle 9 in a threaded manner, the bottom of the rear baffle 9 is also connected with the pointer 3 in a threaded manner, and the pointer 3 is located above the bottom plate scale 502;

as shown in fig. 1, 14 and 15, the optical axis 7 sequentially penetrates through the support 6, the linear bearing 11 of the front baffle, the support 6, the linear bearing 11 of the rear baffle and the support 6 from front to back to serve as a ballistic gun slide rail, so that a ballistic gun can move on the slide rail when being fired, the optical axis 7 is a straight rod with good surface finish, both ends of the optical axis 7 are provided with threaded holes, both ends of the optical axis 7 are also provided with retaining rings 20, screws penetrate through the retaining rings 20 and are screwed into the threaded holes at both ends of the optical axis 7, the end faces of the retaining rings 20 are attached to both side faces of the support 6, and the two ends of the optical axis 7 are axially limited to prevent the;

the ammunition 4 is a caseless cartridge, the cartridge case is a combustible cartridge case, granular gunpowder and electronic primer fire are filled in the cartridge case, the cartridge case is an aluminum cartridge, the bottom of the cartridge case is connected with an electromagnetic induction secondary coil in series, the electromagnetic induction is formed between the cartridge case and a primary coil in tail injection to realize percussion, when the ammunition 4 is placed in a cartridge chamber 1, the tail of the ammunition is placed in a ceramic coil 15, the ammunition is struck through the electronic primer fire, and gunpowder gas is sprayed out from a Laval nozzle in the tail injection to balance impulse generated when the ammunition is launched;

the recoil generated when the ballistic gun shoots can generate slight impulse to force the ballistic gun to move slightly on an optical axis, the unbalanced impulse of the ballistic gun is calculated according to different values indicated by a pointer on a rear baffle on a bottom plate graduated scale and the size and the direction of the values of the graduated scale, and the gunpowder gas flow sprayed out of a spray pipe is controlled by replacing Laval spray pipes with different sizes in tail spray to make the ballistic gun shoot completely balanced.

The working process of the invention is as follows:

firstly screwing off the tail spray, filling ammunition into the ammunition chamber, then screwing in the tail spray, enabling the pointer to point to the zero scale position of the graduated scale, electrifying the enameled wire, inducing current by a secondary coil of the electric primer to ignite the primer, firing the ammunition, measuring the pressure of a firing chamber through a pressure measuring device, reading out the numerical value of the pointer to point to the graduated scale, calculating the magnitude of unbalanced impulse according to the magnitude and the direction of the numerical value of the graduated scale, and realizing that the ballistic gun is in a complete balance state during firing by replacing Laval spray pipes with different sizes.

Aiming at the launching of ammunition with different charge quantities, the complete balance of the ballistic gun on different charge quantities and launching conditions of the ammunition can be realized by replacing the Laval nozzle.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a measurable little electromagnetic induction percussion trajectory rifle that launches impulse which characterized in that: comprises that

the ammunition is arranged in the ammunition chamber and is a shell-free ammunition, the ammunition bottom is connected with the electromagnetic induction secondary coil in series, and the ammunition bottom and the primary coil in the tail spray form electromagnetic induction to realize firing;

2. The electromagnetic induction firing ballistic gun capable of measuring micro-firing impulses as claimed in claim 1, wherein: the tail spray comprises a tail spray body, a laval spray pipe, a ceramic coil protection ring and a wire outlet protection device, wherein the ceramic coil protection ring is sleeved at the front part of the tail spray body, the laval spray pipe and the ceramic coil are sleeved in the ceramic coil protection ring, and the wire outlet protection device is fastened at the rear end of the tail spray body in a threaded manner and is used for protecting an enameled wire in the ceramic coil.

3. The electromagnetic induction firing ballistic gun capable of measuring micro-firing impulses as claimed in claim 2, wherein: the tail spraying body is a cylinder with a first stepped hole in the center, the outer circle surface is provided with threads and is connected with the rear end of the cartridge chamber, the tail end is provided with a tail spraying body wire outlet along the axial direction, the tail part is provided with a fastening abdicating groove, the abdicating groove is clamped by a tool so as to facilitate the fastening abdicating of the tail spraying body, a tail spraying body guide rail groove is axially arranged in a large-diameter hole of the tail spraying body stepped hole, the ceramic coil protection ring is a cylinder body with a second stepped hole in the center, the large-diameter hole is axially provided with a ceramic coil protection ring guide rail groove, the outer surface is axially provided with a ceramic coil protection ring guide rail and is matched and installed with the tail spraying body guide rail groove, the inside of the laval spraying pipe is in a shape of two horn mouths and a middle circular hole, the outer surface is provided with a laval spraying pipe guide rail and a laval wire outlet, the laval spraying pipe guide rail is matched and installed with the ceramic coil protection, the wire leading-out protection device is used for leading out the enameled wire in the ceramic coil to the wire leading-out protection device, the ceramic coil is an annular framework, and an annular groove is formed in the middle of the ceramic coil and used for surrounding the enameled wire.

4. The electromagnetic induction firing ballistic gun capable of measuring micro-firing impulses as claimed in claim 2, wherein: the protection device of being qualified for next round of competitions includes protection tube, protection tube fixing base and connecting seat, the protection tube is the cavity cylinder pipe, along vertical symmetrical arrangement, and the protection tube lower extreme is equipped with the location boss, the protection tube fixing base sets up at the protection tube lower extreme, and the protection tube penetrates the protection tube fixing base by supreme down and through protection tube location boss axial spacing, the connecting seat sets up in protection tube fixing base below, with protection tube fixing base screw thread fastening connection, the protection device of being qualified for the next round of competitions passes through the connecting seat fastening connection on the tail spouts the body, one side that the connecting seat is close to the tail and still is equipped with the groove of stepping down for stepping down the enameled wire of.

5. The electromagnetic induction firing ballistic gun capable of measuring micro-firing impulses as claimed in claim 2, wherein: the shell of the ammunition is a combustible cartridge case, granular gunpowder and electronic primer fire are filled in the shell case, the ammunition is an aluminum ammunition, and when the ammunition is placed in the chamber, the tail of the ammunition is placed in the ceramic coil.