CN105486169A - Piezoelectric type synchronizing signal trigger and compact type shooting auxiliary training system - Google Patents
Piezoelectric type synchronizing signal trigger and compact type shooting auxiliary training system Download PDFInfo
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- CN105486169A CN105486169A CN201510866205.2A CN201510866205A CN105486169A CN 105486169 A CN105486169 A CN 105486169A CN 201510866205 A CN201510866205 A CN 201510866205A CN 105486169 A CN105486169 A CN 105486169A
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- 238000012549 training Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000009527 percussion Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000003384 imaging method Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000386 athletic effect Effects 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A33/00—Adaptations for training; Gun simulators
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention discloses a piezoelectric type synchronizing signal trigger and a compact type shooting auxiliary training system. The synchronizing signal trigger comprises a cartridge case, a tail sleeve, a percussion base, a piezoelectric unit and a piezoelectric unit support, wherein the piezoelectric unit is fixed to the piezoelectric unit support; and a gun firing pin drives the percussion base to knock the piezoelectric unit to generate a trigger signal. A target scoring unit of the shooting auxiliary training system compares image data with standard target image date for solution, so that the aiming ring number during the shooting process is obtained, the ring number during the generation of the trigger signal is displayed on the target scoring unit and the target is reported through sound. The compact type shooting auxiliary training system is similar to a live ammunition target shooting process, and is more acceptable for shooters, the problem that shooters develop bad shooting habits due to the situation that other simulated training devices have relatively large difference with live ammunition target shooting is solved, and the purpose of training while inspection and correction is achieved.
Description
Technical field
The invention belongs to military and sports technology apparatus field, relate to a kind of shooting auxiliary training system based on synchronizing signal trigger, especially a kind of synchronizing signal trigger for shooting auxiliary training system.
Background technology
Due to condition restriction and safety factor, ball firing training is difficult, and as the time of lacking in training, training expenses is high, training court is little, city safety factor etc.Therefore research and develop a kind of cheap, easy to carry, operate succinct, robust gunnery training accessory system there is very high practical significance and using value.
At present, the research that great effort and fund carry out being correlated with has been dropped into both at home and abroad in shooting auxiliary training system field, come out one after another based on the shooting auxiliary training system of different principle and patent of invention, its principle adopted can be roughly divided into Principles of Laser, ultrasonic wave principle etc., wherein Principles of Laser are current comparative maturities, need to transform rifle and target, generating laser and laser pickoff are installed, determine shooting grade by the position calculating laser beam.These system Problems existing are system complex, and price is expensive, and must have computer as support platform; Must Special Targets be used simultaneously, or install cooperative target additional on target, limit the application of general training personnel and promote on a large scale.
Application number be 200910074863.2 Chinese patent " a kind of shooting auxiliary training system and based on framing target center method " disclose a kind of shooting auxiliary training system based on image procossing principle, gun are installed camera and trigger, aim at target center with camera center, obtain image symmetrical up and down as benchmark image; When the armed aiming of sportsman, camera obtains sight picture, and compares with benchmark image, and number of rings when calculating aiming and the formation track of aiming point, be used to guide athletic gunnery training.Wherein wireless trigger device is arranged near the trigger of gun, when cocking, also signal transmission is this moment taken computer, obtain percussion number of rings at that time by wireless trigger receiving device acknowledge(ment) signal.
This invention Problems existing when being applied to military training is that trigger instants is not accurate.As everyone knows, the number of rings of gun shooting depends on angle between the muzzle in gun striker impact bullet moment and target and position, and this invention employing increases trigger switch to realize near trigger, by cocking trigger switch signal, as the triggering signal of image procossing, obviously this moment can not represent and pull the trigger the moment really, gun may change angle because of follow-up time delay, if want this time delay moment of fine adjustment, then can there is a larger difficult problem, especially all accurate adjustment is needed to each rifle, certainly will have impact on and apply.In addition because this device does not have synchronizing signal trigger, make with throw-off practice gap comparatively large, Long-Time Service easily has influence on forming of shooting custom.
Summary of the invention
The present invention proposes a kind of piezoelectric type synchronizing signal trigger for shooting auxiliary training system, provide trigger instants accurately on the one hand, improve pointing accuracy, thus improve training quality, adopt in addition synchronizing signal trigger make simulated training process and ball firing process very similar, more easily accepted by ejaculator.
Technical scheme of the present invention is as follows:
Piezoelectric type synchronizing signal trigger, comprises shell case, tail cover, percussion base, piezoelectric unit and piezoelectric unit bearing, and described tail cover is the hollow-core construction of built-in step, is fixed on the afterbody of shell case; Described percussion base is the column being arranged on shell case afterbody, and by evagination structural embeddedness in the built-in step that tail overlaps; Described piezoelectric unit bearing is fixed on the inside of shell case, and described piezoelectric unit is fixed on piezoelectric unit bearing, and gun striker drives percussion base to clash into piezoelectric unit, produces triggering signal.
In above-mentioned piezoelectric type synchronizing signal trigger, synchronizing signal trigger inside also comprises wireless transmitting unit, and the signal for being produced by piezoelectric unit is sent in the sight of bore outside.
In above-mentioned piezoelectric type synchronizing signal trigger, piezoelectric unit is connected by lead-in wire and signal processing unit.
In above-mentioned piezoelectric type synchronizing signal trigger, piezoelectric unit is piezoelectric ceramics or piezo-electric crystal.
In above-mentioned piezoelectric type synchronizing signal trigger, the outside of the tail cover of synchronizing signal trigger is step-like, and the afterbody external diameter of tail cover is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface.
Piezoelectric type compact shooting auxiliary training system, comprises the sight be arranged on gun, the synchronizing signal trigger be arranged in bore, the target that is arranged on the indication of shots unit of ejaculator with it or on gun and arranges ejaculator at a distance;
Sight comprises imaging lens and imageing sensor, and imaging lens aims at target, and the whole aiming process of image recording sensor hits target view data, and by image data transmission to indication of shots unit;
The target image data of view data and standard are compared and are resolved by indication of shots unit, obtain the aiming number of rings in whole shooting aiming process, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, image or sound reporting target are carried out to shooting number of rings simultaneously.
In above-mentioned piezoelectric type compact shooting auxiliary training system, the display screen display that the number of rings in shooting aiming process carries at indication of shots unit by indication of shots unit or transfer on other-end shows.
In above-mentioned piezoelectric type compact shooting auxiliary training system, sight is fixed on gun barrel afterbody that is outside or sight by mechanism and is fixed in gun barrel by tension mechanism.
In above-mentioned piezoelectric type compact shooting auxiliary training system, imageing sensor is video camera.
The Advantageous Effects that the present invention has is as follows:
1, the present invention adopts the fusion of embedded computer technology and high accuracy imaging technique, obtain the image of synchronizing signal trigger trigger instants, alike and true to nature with throw-off practice process, more easily accepted by ejaculator, change other analog training devices owing to shooting with throw-off practice cause bad that differ greatly forming of being accustomed to, reach the object of " limit training, frontier inspection are tested, limit correct ".
2, the present invention adopts the whole aiming target process of image recording sensor ejaculator, and compare with the benchmark image during rifle of school, calculate the number of rings of whole aiming process, and adopt the moment of striker impact synchronizing signal trigger as trigger instants, obtain number of rings during shooting, owing to giving the number of rings of overall process, for the firing attitude of analyzing and correcting ejaculator, there is important reference value, thus ensure that simulated training quality.
3, synchronizing signal trigger afterbody of the present invention adopts the step-like of smooth structure, eliminate ejection ditch, when avoiding continuous fire, synchronizing signal trigger is ticked by the extractor at gunlock rear portion, have influence on aiminging drill next time, and whole aiming process comprise load, aim at, the standard operation such as shooting, make training and simulation more true to nature.
4, the present invention obtains benchmark image when applying by school rifle step, and the image of trigger instants and benchmark image is compared, and overcomes installation accuracy between sight and rifle and, on the impact of scoring ring measurement result, meets the custom of daily gunnery training simultaneously.
5, shooting auxiliary training system of the present invention is while saving ammunition and expense, improve security and the training effectiveness of training, and the effect same with ball firing can be obtained, and overcast and rainy ball firing, the shooting place being difficult to launch can be solved ensure difficulty, and the problem such as the real-time display of shooting result.
6, shooting auxiliary training system of the present invention adopts striker impact synchronizing signal trigger, the piezoelectric ceramics in bullet or piezo-electric crystal is caused to produce piezoelectric signal, and be the triggering signal of IMAQ, accurately can record the target signal in shooting moment, with this, fire effect is passed judgment on, have more verisimilitude.
7, in shooting auxiliary training system of the present invention, sight comprises imaging lens and imageing sensor, only be responsible for gathering and record sight picture, and carry out follow-up image procossing, calculating and indication of shots by indication of shots unit, thus the structure of sight can become very compact, be convenient to the installation on gun, reduce the impact of sight fitting-up gang gunnery training, and there are higher reliability and stability.
Accompanying drawing explanation
Fig. 1 is the shooting auxiliary training system composition diagram that the present invention is based on wire transmission mode;
Fig. 2 is the shooting auxiliary training system composition diagram that the present invention is based on wireless transmission method;
Fig. 3 is the structural representation of conventional bullet;
Fig. 4 is the wire transmission formula synchronizing signal trigger structure schematic diagram that the present invention is based on piezoelectric unit;
Fig. 5 is the mode of wireless transmission synchronizing signal trigger structure schematic diagram that the present invention is based on piezoelectric unit;
Fig. 6 is that target simulated training principle schematic is reduced in shooting auxiliary training system of the present invention employing;
Fig. 7 is shooting auxiliary training system target image-forming principle schematic diagram of the present invention;
Fig. 8 is image procossing and the scoring ring calculation flow chart of shooting auxiliary training system of the present invention.
Reference numeral is as follows: 1-shell case, 2-tail cover, 3-percussion base, 9-lead-in wire, 15-wireless transmitting unit, 21-synchronizing signal trigger, 22-sight, 23-indication of shots unit, 31-ejection ditch, 35-field range, 36-target, 37-imaging lens, 38-target image, 39-imageing sensor, 40-piezoelectric unit bearing, 41-piezoelectric unit.
Detailed description of the invention
As depicted in figs. 1 and 2, high fidelity shooting auxiliary training system of the present invention comprise be arranged on sight 22 on the body of a gun, the synchronizing signal trigger 21 be arranged in bore, the target 36 that is arranged on the indication of shots unit 23 on ejaculator or the body of a gun and arranges a long way off;
When the built-in special mechanism of synchronizing signal trigger 21 makes striker impact synchronizing signal trigger 21, produce triggering signal; Sight 22 comprises imaging lens 37 and imageing sensor 39, and wherein imageing sensor 39 can adopt video camera or other image recorders, and it aims at the target 36 arranged at a distance by imaging lens 37.Sight 22 is fixed on gun barrel outside by mechanism, and also sight 22 can be made strip, afterbody is fixed in gun barrel by tension mechanism.
Imaging lens 37 aims at target 36, and imageing sensor 39 records whole aiming process and to hit target view data, and by image data transmission to indication of shots unit 23; The target image data of view data and standard are compared and are resolved by indication of shots unit 23, obtain the aiming number of rings in whole shooting aiming process, receive the triggering signal that synchronizing signal trigger 21 produces simultaneously, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, shooting number of rings is carried out image indication of shots display and sound reporting target simultaneously.Aim at the display screen display that can carry at indication of shots unit 23 of number of rings and shooting number of rings, also by data transmission module shooting number of rings and ring sight logarithmic data can be transferred on other-end and carry out display analysis.
During simulated gunnery, target 36 is positioned at image sensor field of view scope.First, image when shooter pulls the trigger by microcam stores, and then by the image matching algorithm of core, calculates the initial coordinate of target 36 center at image space.Eliminate the impact of the factors such as windage yaw, trajectory, shake finally by specific mathematical model, obtain the actual coordinate of target 36.Calculate point of impact position after coordinate transform, show on the LCD of indication of shots unit 23 and provide voice message simultaneously.
As shown in Figure 4 and Figure 5, triggering signal generation unit is piezoelectric unit 40, as piezoelectric ceramics or piezo-electric crystal.Synchronizing signal trigger 21 comprises shell case 1, tail cover 2, percussion base 3, piezoelectric unit 41 and piezoelectric unit bearing 40, and tail cover 2 is the hollow-core construction of built-in step, is fixed on the afterbody of shell case 1; Percussion base 3 for being arranged on the column of shell case 1 afterbody, and passes through evagination structural embeddedness in the built-in step of tail cover 2; The inside of shell case 1 fixed by piezoelectric unit bearing 40, and piezoelectric unit 41 is fixed on piezoelectric unit bearing 40, when gun striker drives percussion base 3 to clash into piezoelectric unit 41, produces triggering signal.Piezoelectric unit 11 outputs signal and provide triggering signal after signal conditioning circuit, modulate circuit comprises shaping, amplitude limit, filter unit etc., obtain the pulse triggering signal of 3.3V, according to different requirements, signal conditioning circuit can be arranged on wireless transmitting unit 15 or indication of shots unit 23.The difference of Fig. 4 and Fig. 5 is Signal transmissions part, and wherein Fig. 4 is wire transmission mode, and Fig. 5 is wireless transmission method.
The wire transmission mode as Fig. 1, Fig. 4 can be adopted between synchronizing signal trigger 21 and indication of shots unit 23, namely coil is directly electrically connected by lead-in wire 9 and indication of shots unit 23, the triggering signal of coil is obtained by indication of shots unit 23, also can adopt and the lead-in wire 9 of coil is first electrically connected with sight 22, then be forwarded to indication of shots unit 23.
Also the wireless transmission method as shown in Fig. 2, Fig. 5 can be adopted between synchronizing signal trigger 21 and indication of shots unit 23, synchronizing signal trigger 21 inside is provided with wireless transmitting unit 15, for the triggering signal that transmitting coil produces, also can launch after triggering signal digitlization again.Be provided with radio receiving unit in indication of shots unit 23, described radio receiving unit and signal processing unit are connected, for receiving the triggering signal that wireless transmitting unit 15 is launched.Wireless transmitting unit can adopt the modes such as Bluetooth transmission, meets in-plant Signal transmissions and receives.
Further, tail cover 2 outsides of synchronizing signal trigger of the present invention are step-like, the afterbody external diameter of tail cover 2 is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface, and the difference of the true bullet profile shown in itself and Fig. 3 is that synchronizing signal trigger eliminates ejection ditch 31 structure.Traditional gun are when shooting, the recoil of explosive (pulling back rifle bolt then by people for manual gun) makes gunlock return, at this moment shell case will be pulled out by the ejection ditch 31 in Fig. 3 by the extractor at gunlock rear portion, thus enters next transmitting and hit.Due to the complicated inconvenience of synchronizing signal trigger installation process of the present invention, therefore eliminate the step that shell case exits, so the afterbody of synchronizing signal trigger eliminates ejection ditch, each time after shooting, synchronizing signal trigger can not be ticked by the extractor in gun, has influence on the shooting of next.But whole supplemental training shooting course and live shell realistic simulation, comprise and load, aim at, shoot, the standard operations such as shell case ticked by gunlock, more easily accepted by ejaculator.
The workflow of this simulated training system is as follows:
One, install
The sight of training system is arranged on the muzzle position of training gun, indication of shots cellular installation is with it ejaculator or gun, and synchronizing signal trigger loads simultaneously.For the mode of wireless work, then direct synchronizing signal trigger is placed in bore; For the mode of wire transmission, the transfer wire of bullet front portion is passed by gun barrel, and connect with indication of shots unit 23, subsequently sight and indication of shots unit are electrically connected.
Two, target is selected
After start, select training target type; Operation system setting has several target selective, and these targets can be the chest silhouette target of standard also can be manikin etc.As shown in Figure 6, if training place does not have enough places to carry out gunnery training, can adopt and reduce target simulation hands-on, and make in proportion reduce target according to the distance shortened.
Three, zeroing calibration: school rifle drillmaster points out according to system voice, carries out school rifle according to rule of engagemeut.In ball firing, school rifle is also necessary step, its objective is foresight, the gap between scale and actual point of impact of seeing muzzle, native system is provided with school rifle link on software, when school rifle drillmaster is according to the prompting of training system, after returning to zero to gun according to the step of school rifle at ordinary times, cocking, now the signal processing unit of sight can obtain the image in school rifle moment as benchmark image.
Four, simulated training shooting: ejaculator trains according to the shooting mode of standard, comprises and draws rifle to fix thorax, aims at, cocking shooting, ejection (actual only have ejection action and synchronizing signal trigger does not exit bore) step etc.After system boot, sight aims at the target in visual field always, and record the image of target continuously, work as cocking, the percussion base of striker impact synchronizing signal trigger afterbody, drives moving magnet to advance, through corresponding air core coil, cutting magnetic line, thus pulse triggering signal is produced on coil.As shown in Figure 7, after signal processing unit in sight receives triggering signal, record the image in the imageing sensor in this triggering signal generation moment, and the target position of the benchmark image obtained when the position of target this moment and school rifle is compared calculate, eliminate the impact of the factors such as windage yaw, trajectory, shake, obtain shooting number of rings.The aiming process of ejaculator and track are also carried out record simultaneously, obtain more information for ex-post analysis.
Five, indication of shots
After shooter aims at percussion, system directly calculates point of impact and achievement, and miniature LCD on indication of shots unit shows, and provides sound reporting target simultaneously.As required, shooter also can present arms by system simultaneously, aim at, the recording of the whole process of triggering pulling, and is wirelessly transmitted to and intelligent analysis terminal shows and stores, for drillmaster's real-time instruction and shooter's ex-post analysis.
As shown in Figure 8, the image procossing of training system of the present invention and scoring ring computational process and step as follows:
One, the data of trigger instants video data buffer are read,
Two, gray processing, binary conversion treatment are carried out to view data;
Three, adopt edge detection algorithm to image real time transfer, the target that hit by image contours extract out;
Four, contour thinning: carry out contour thinning to the image border of extracting, is convenient to follow-up target location and calculates;
Five, image after contour thinning process and the target image template preset are entered comparison, according to priori value setting judgment threshold in comparison, if the correlation of the two exceedes this threshold value, then think that it is target image, otherwise think and miss the target;
Six, calculate the initial coordinate of target image center at image space, and compare with the image coordinate during rifle of school, eliminate the impact of the factors such as windage yaw, trajectory, shake simultaneously, obtain the actual coordinate of target;
Seven, result transferred to indication of shots unit and carry out sound reporting target.
The present invention is used successfully to simulative shooting training, due to alike and true to nature with throw-off practice process, is easily accepted by ejaculator, reaches the object of " limit training, frontier inspection tests, limit corrects ".
Claims (9)
1. piezoelectric type synchronizing signal trigger, it is characterized in that: comprise shell case (1), tail cover (2), percussion base (3), piezoelectric unit (41) and piezoelectric unit bearing (40), the hollow-core construction that described tail cover (2) is built-in step, is fixed on the afterbody of shell case (1); Described percussion base (3) for being arranged on the column of shell case (1) afterbody, and passes through evagination structural embeddedness in the built-in step of tail cover (2); Described piezoelectric unit bearing (40) is fixed on the inside of shell case (1), described piezoelectric unit (41) is fixed on piezoelectric unit bearing (40), gun striker drives percussion base (3) to clash into piezoelectric unit (41), produces triggering signal.
2. piezoelectric type synchronizing signal trigger according to claim 1, it is characterized in that: described: synchronizing signal trigger inside also comprises wireless transmitting unit (15), the signal for being produced by piezoelectric unit is sent in the sight (22) of bore outside.
3. piezoelectric type synchronizing signal trigger according to claim 1, is characterized in that: described piezoelectric unit (41) is connected by lead-in wire and signal processing unit.
4., according to one of any described piezoelectric type synchronizing signal trigger of claim 1-3, it is characterized in that: described piezoelectric unit is piezoelectric ceramics or piezo-electric crystal.
5. according to one of any described piezoelectric type synchronizing signal trigger of claim 1-3, it is characterized in that: the outside of the tail cover (2) of synchronizing signal trigger is step-like, the afterbody external diameter of tail cover is less than the external diameter at tail cover middle part, and step is seamlessly transitted by the conical surface.
6. comprise a piezoelectric type compact shooting auxiliary training system for piezoelectric type synchronizing signal trigger according to claim 1, it is characterized in that: comprise sight (22), synchronizer trigger (21), indication of shots unit (23) and target (36); Described sight (22) is fixed on gun, and described synchronizer trigger (21) is arranged in bore, and described target (36) is arranged on the position away from ejaculator;
Described sight (22) comprises imaging lens (37) and imageing sensor (39), described imaging lens (37) aims at target (36), imageing sensor (39) records whole aiming process and to hit target view data, and by image data transmission to indication of shots unit (23);
The target image data of view data and standard are compared and are resolved by described indication of shots unit (23), obtain the aiming number of rings in whole shooting aiming process, and aiming number of rings triggering signal being produced the moment is as shooting number of rings, image or sound reporting target are carried out to shooting number of rings simultaneously.
7. piezoelectric type compact shooting auxiliary training system according to claim 6, is characterized in that: described indication of shots unit (23) is undertaken showing and analyzing and processing by aiming at display screen that number of rings and shooting number of rings carry at indication of shots unit (23) or transferring on other-end.
8. the piezoelectric type compact shooting auxiliary training system according to claim 6 or 7, is characterized in that: described sight (22) is fixed on gun barrel afterbody that is outside or sight (22) by mechanism and is fixed in gun barrel by tension mechanism.
9. the piezoelectric type compact shooting auxiliary training system according to claim 6 or 7, is characterized in that: described imageing sensor (39) is video camera.
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| CN201510866205.2A CN105486169A (en) | 2015-11-30 | 2015-11-30 | Piezoelectric type synchronizing signal trigger and compact type shooting auxiliary training system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526826A (en) * | 2015-11-30 | 2016-04-27 | 高文武 | Synchronizing signal trigger and auxiliary shooting training system based on piezo-effect |
| CN108692611A (en) * | 2018-05-23 | 2018-10-23 | 宁波市镇海西门专利技术开发有限公司 | Signal emission gun |
| CN108759555A (en) * | 2018-05-23 | 2018-11-06 | 宁波市镇海西门专利技术开发有限公司 | A kind of true rifle of simulation |
| CN112113472A (en) * | 2020-08-21 | 2020-12-22 | 沈阳理工大学 | A small-caliber gas gun bore pressure measuring device and using method thereof |
| CN114427802A (en) * | 2022-01-20 | 2022-05-03 | 中国人民解放军总参谋部第六十研究所 | Transmitting terminal image acquisition type shooting aiming training device |
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| CN114427802A (en) * | 2022-01-20 | 2022-05-03 | 中国人民解放军总参谋部第六十研究所 | Transmitting terminal image acquisition type shooting aiming training device |
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