CN108844416A - A kind of laser scoring round target device and method - Google Patents
A kind of laser scoring round target device and method Download PDFInfo
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- CN108844416A CN108844416A CN201810599455.8A CN201810599455A CN108844416A CN 108844416 A CN108844416 A CN 108844416A CN 201810599455 A CN201810599455 A CN 201810599455A CN 108844416 A CN108844416 A CN 108844416A
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- laser
- mould group
- linear array
- photoelectric detection
- bullet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/02—Photo-electric hit-detector systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The present invention relates to sport gunnery meeting indication of shots field, a kind of laser scoring round target device and method, device include at least two Laser emission mould groups, at least two linear array Photoelectric Detection mould groups and data processing mould group；The present invention realizes the Linear Array Realtime opto-electronic receiver mode of fan-shaped laser lighting and Photoelectric Detection mould group by using two Laser emission mould groups, not by the interference of ambient enviroment such as temperature, air-flow, neighboring trace shooting sound.It is small in size using modular construction, it is light-weight, it is rigidly bonded by support frame with target, has both been applicable in fixed target and has been also suitable running target；Using principle, that is, feed rod rod principle of similar triangles corresponding sides equal proportion, bullet position positioning resolution is made to reach 0.16mm；Search coverage is fan-like pattern parallel with target surface in face of gunnery target and at a distance of several centimetres, and the clast of target surface sputtering will not interference effect measurement accuracy.
Description
Technical field
The present invention relates to sport gunnery meeting indication of shots field, especially a kind of laser scoring round target device and method.
Background technique
Chinese Sport gunnery meeting at present and training largely use the product of SIUS company of import Switzerland with hit telling system,
The product detects the technology of bullet using sound wave, i.e., when bullet passes through air flight, since the resistance of air, friction etc. generate
Sound causes gas compression before bullet and expands below, this result produces pressure difference before and after bullet.Far from bullet drop point
Reception records sensor (microphone), and by the pressure increased rapidly and therewith between pressure and quick falling, reception arrangement is one
High-frequency signal.
The microphone of different location is placed in by two or more, the sound that will not receive simultaneously bullet and pass over
Sound signal is measured and simultaneously to draw out one or a plurality of hyperbola connects and finds the position of point of impact jointly.
The theoretic accuracy of detection system is calculated by the differential section of coordinate transform.Timing frequency generator
Frequency and the relationship of speed of sound be key parameter for calculating different time.Temperature and air pressure have very big shadow to detection
It rings, can only be compensated by other sensing equipments.Integral device is complicated, and with high costs, difficult in maintenance and environmental suitability is poor.
Summary of the invention
For the defects in the prior art, laser scoring round target device provided by the invention and method overcome the prior art not
Foot, does not receive the influence of external environmental factor, and detection accuracy is high.
To achieve the goals above, in a first aspect, a kind of laser scoring round target device provided by the invention, including at least two swash
Light emitting mould group, at least two linear array Photoelectric Detection mould groups and data processing mould group, wherein；
Each Laser emission mould group is used for emission detection laser, and the exploring laser light is parallel to shooting target surface and is completely covered
The detected region of the shooting target surface；
Each linear array Photoelectric Detection mould group is used to receive the exploring laser light and obtains the position data of bullet；
The data processing mould group obtains the bullet according to the position data and exists for receiving the position data
The number of rings value of the point of impact of the shooting target surface.
Second aspect, a kind of laser target scoring method provided by the invention, the laser target scoring method is suitable for the present invention
Laser scoring round target device described in first aspect, the laser scoring round target device include at least two Laser emission mould groups, at least two
Linear array Photoelectric Detection mould group and data processing mould group；The laser target scoring method includes the following steps：
Make each Laser emission mould group emission detection laser, the exploring laser light is parallel to shooting target surface and institute is completely covered
State the detected region of shooting target surface；
Each linear array Photoelectric Detection mould group is set to receive the exploring laser light and obtain the position data of the bullet；
So that the data processing mould group is received the position data, and the bullet is obtained in institute according to the position data
State the number of rings value of the point of impact of shooting target surface.
The beneficial effects of the invention are as follows：
1, the Linear Array Realtime of fan-shaped laser lighting and Photoelectric Detection mould group is realized by using two Laser emission mould groups
Opto-electronic receiver mode, not by the interference of ambient enviroment such as temperature, air-flow, neighboring trace shooting sound.
2, small in size using modular construction, it is light-weight, it is rigidly bonded, has both been applicable in solid with target by support frame
Targeting is also suitable running target.
3, using principle, that is, feed rod rod principle of similar triangles corresponding sides equal proportion, reach bullet position positioning resolution
To 0.16mm.
4, search coverage is fan-like pattern parallel with target surface in face of gunnery target and at a distance of several centimetres, the clast of target surface sputtering
It will not interference effect measurement accuracy.
5, at low cost using modular organization, energy consumption is small, AC power source adapter or battery-operated can be used, continuously
Work 8 hours or more, long service life.
Detailed description of the invention
Fig. 1 is the schematic diagram one of laser scoring round target device embodiment of the present invention；
Fig. 2 is the schematic diagram two of laser scoring round target device embodiment of the present invention；
Fig. 3 is the schematic diagram of laser reflection mould group embodiment of the present invention；
Fig. 4 is the schematic diagram one of exploring laser light travelling route embodiment of the present invention；
Fig. 5 is the schematic diagram two of exploring laser light travelling route embodiment of the present invention；
Fig. 6 is the schematic diagram of feed rod rod principle embodiment of the present invention；
Fig. 7 is the schematic diagram of two-dimensional coordinate system embodiment of the present invention；
Fig. 8 is the flow chart that high-precision laser target scoring method embodiment is shot in sport of the present invention.
Specific embodiment
Specific embodiments of the present invention are described more fully below, it should be noted that the embodiments described herein is served only for illustrating
Illustrate, is not intended to restrict the invention.In the following description, in order to provide a thorough understanding of the present invention, a large amount of spies are elaborated
Determine details.It will be apparent, however, to one skilled in the art that：This hair need not be carried out using these specific details
It is bright.In other instances, in order to avoid obscuring the present invention, well known circuit, software or method are not specifically described.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "
?：A particular feature, structure, or characteristic described in conjunction with this embodiment or example is comprised at least one embodiment of the invention.
Therefore, the phrase " in one embodiment ", " in embodiment ", " example " occurred in each place of the whole instruction
Or " example " is not necessarily all referring to the same embodiment or example.Furthermore, it is possible in any suitable combination and or sub-portfolio will be specific
Feature, structure or characteristic combine in one or more embodiment or examples.In addition, those of ordinary skill in the art should manage
Solution, diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.
As shown in Figure 1, 2, laser scoring round target device shown by the first embodiment of the present invention includes a support frame 1, and is propped up
Support 1 is rectangular support frame.The side of support frame 1 be equipped with first laser emitting mould train 5, with first laser emitting mould train 5
The parallel side of the support frame 1 at place is equipped with first laser and reflects mould group 9, the support frame 1 where first laser emitting mould train 5
Side on be additionally provided with the first linear array Photoelectric Detection mould group 4.Similarly, 1 phase of support frame where with first laser emitting mould train 5
Vertical side is equipped with second laser emitting mould train 2, parallel with the support frame 1 where second laser emitting mould train 2 one
Side is equipped with second laser and reflects mould group 8, is additionally provided with the second linear array on the side of the support frame 1 where second laser emitting mould train 2
Photoelectric Detection mould group 3.Laser scoring round target device shoots the surrounding of target surface 7 around being set to, and is rigidly bonded with target.?
It is additionally provided with paper tape 6 on the side of support frame 1 where one Laser emission mould group 5, equal with the support frame 1 where paper tape 6
Capable side is provided with transmission device, and the transmission device includes but is not limited to electric capstan 10, the paper tape 6 be printed with it is more
Open the drum-type paper tape 6 of shooting target surface 7.By by two Laser emission mould groups, two laser reflection mould groups, two linear array photoelectricity
Detection mould group is set on a support frame 1 can be with the volume of the reduction laser scoring round target device of maximum possible, easy to disassemble and peace
Dress, design is simple, rationally distributed.Shooting target surface 7 follows the standard of ISSF International Shooting Sport Ferderation(ISSF) formulation, and paper tape 6 utilizes
Electric capstan 10 more renews the shooting target surface 7 on target automatically after every shooting is primary.
Wherein, Laser emission mould group includes semiconductor laser, collimating mirror, Bao Weier prism；The Laser emission mould group
The exploring laser light of sending is covering of the fan shaped light beam.The covering of the fan shaped light beam is parallel to target surface and being detected for shooting target surface 7 is completely covered
Region.Further, the semiconductor laser uses red light semiconductor laser, is also possible to the visible lights such as blue and green light
And the infrared light of 780nm, 808nm, 830nm, 940nm, 980nm equiwavelength.
Linear array Photoelectric Detection mould group includes that multiple light-sensitive devices and matched signal conditioning circuit form.In the present embodiment,
It is arranged in linear array using 320 phototriodes, optical receiving region is 260mm × 1mm.Wherein, the light-sensitive device includes
In following device any one or combinations thereof：Linear charge-coupled array CCD, linear array complementary metal oxide semiconductor
CMOS, photodiode arrangement, PIN photosensitive tube array, APD photosensitive tube array and Position-Sensitive Detector PSD.
As shown in figure 3, laser reflection mould group is made of pedestal 11 and right-angle prism 12, and the right-angle prism is strip
Right-angle prism, the right-angle prism of strip and its reflecting surface it is orthogonal and with laser beam direction angle at 45 °.This catoptric arrangement
With certain anti-tilting action, the difficulty of installation and debugging is reduced.The right-angle prism can also plate reflectance coating by two bar shapeds
Plane mirror or pentagonal prism substitution.Wherein, the effect of laser reflection mould group is the exploring laser light for issuing Laser emission mould group
Turn 180 degree.Laser emission mould group and linear array Photoelectric Detection mould group are placed in above support frame 1, and laser reflection mould group will shine
Laser beam below support frame 1 reflects back into the linear array Photoelectric Detection mould group above support frame 1, thus reaches extension light path
Effect, improve optical lever enlargement ratio, while also reduce equipment volume.
As shown in Figure 4,5, which respectively illustrates first laser emitting mould train 5 and second laser emitting mould train 2 is divided
The travelling route of the exploring laser light I and exploring laser light II that do not issue.Specifically, exploring laser light I, exploring laser light II are respectively by first
After Laser emission mould group 5, second laser emitting mould train 2 issue, it is completely covered and passes through the detected region of shooting target surface 7, and
The central ray of exploring laser light I and exploring laser light II is mutually orthogonal；It is finally anti-by first laser reflection mould group 9, second laser
It penetrates mould group 8 and reflexes to the first linear array Photoelectric Detection mould group 4 respectively, in the second linear array Photoelectric Detection mould group 3.It needs to be illustrated
It is that exploring laser light I and exploring laser light II have certain distance away from shooting target surface 7, and the size of the distance can be according to actual target
The material of son determines, can sufficiently be avoided during target practice by above-mentioned setting, since bullet injects target through shooting target surface 7
The clast sputtered afterwards influences the precision of detection.
First linear array Photoelectric Detection mould group 4 is for receiving the exploring laser light I after shooting target surface 7 and obtaining bullet in water
Square upward position and width data I；Second linear array Photoelectric Detection mould group 3 is for receiving the detection after shooting target surface 7
Laser II simultaneously obtains bullet position in vertical direction and width data II；Data processing mould group receives position and width data
I and position and width data II, and bullet is obtained according to the position and width data I and position and width data II and is being shot
The number of rings value of the point of impact of target surface 7, specially：
As shown in fig. 6, being directed to sport gunnery meeting/trained ring target, distance is 2.5mm between two rings, it is desirable that detection
Precision reaches 0.1 ring, i.e. point of impact (x, y) coordinate precision should be better than 0.25mm.For this purpose, the present invention uses pair of similar triangles
Small distance d in shooting 7 detection zone of target surface is passed through optical lever structure mapping to linear array Photoelectric Detection by the principle for answering side equal proportion
Become distance D greatly in mould group, improves detection accuracy in this way to reach demand.Magnification ratio is Laser output point to opto-electronic receiver
For the distance of device than the distance of upper Laser output point to bullet, this is also designated as feed rod rod principle.
As shown in fig. 7, point of impact position calculation formula：If 10 ring centers are coordinate origin O, Laser emission mould group goes out luminous point
It is L away from initial point distance, linear array Photoelectric Detection mould group is nL away from origin O distance (by the reflection of reflection microscope group), and point of impact coordinate is
(x, y), A are the position coordinates of light-sensitive device in point of impact in the horizontal direction linear array Photoelectric Detection mould, and same B is that point of impact is being hung down
The position coordinates of histogram light-sensitive device into linear array Photoelectric Detection mould, L, n be it is known that A, B are collected data, then by：
It obtains：
Data processing mould group according to bullet in the position of two-dimensional coordinate system, to obtain point of impact position to coordinate origin
Distance, the final number of rings value for determining point of impact.
In the present embodiment, the data processing mould group can be it is following any one or combinations thereof：C51 series monolithic,
Risc microcontroller, ARM series monolithic, DSP series of digital signals processor.In addition, laser scoring round target device further includes wireless
Data transmit mould group, the wireless data transmission mould group by the obtained final data of data processing mould group be transferred to host computer or
Other equipment, for background works such as the sound reporting target of shooting result, graphical display, examination result storages.Wireless data transmission
Mode can use WIFI, it is possible to use for example infrared, bluetooth of other way etc..The laser scoring round target device further includes power supply mould
Group, the power supply mould group provide stable, reliable electric power support for device.
As shown in figure 8, laser target scoring method shown by the second embodiment of the present invention, the laser target scoring method is applicable in
Laser scoring round target device described in first embodiment of the invention, the laser scoring round target device include first laser emitting mould train,
Second laser emitting mould train, the first linear array Photoelectric Detection mould group, the second linear array Photoelectric Detection mould group, data processing mould group and wireless
Data transmit mould group；The laser target scoring method includes the following steps：
S1 makes first laser emitting mould train for emission detection laser I, and the exploring laser light I is parallel to shooting target surface simultaneously
The detected region of shooting target surface is completely covered；Make second laser emitting mould train for emission detection laser II, the detection swashs
Light II is parallel to shooting target surface and the detected region of shooting target surface is completely covered.
S2 makes the first linear array Photoelectric Detection mould group receive exploring laser light I and obtains position and the width data I of bullet；Make
Second linear array Photoelectric Detection mould group receives exploring laser light II and obtains the position on bullet and width data II.
S3 makes data processing mould group receive position and width data I and position and width data II, and according to the position
And width data I and position and width data II obtain the number of rings value of point of impact of the bullet in shooting target surface.
S4 makes wireless data transmission mould group that the final data that data processing mould group obtains are transferred to host computer or other set
It is standby, for background works such as the sound reporting target of shooting result, graphical display, examination result storages.
It needs to be illustrated, in laser scoring round target device involved in this embodiment and the first embodiment of the present invention
The mechanism composition of the laser scoring round target device proposed has the advantage that substantially similar, and i will not repeat them here.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of laser scoring round target device, it is characterised in that：It is examined including at least two Laser emission mould groups, at least two linear array photoelectricity
Mould group and data processing mould group are surveyed, wherein：
Each Laser emission mould group is used for emission detection laser, and the exploring laser light is parallel to shooting target surface and is completely covered described
Shoot the detected region of target surface；
Each linear array Photoelectric Detection mould group is used to receive the exploring laser light and obtains the position data of bullet；
The data processing mould group obtains the bullet described for receiving the position data, and according to the position data
Shoot the number of rings value of the point of impact of target surface.
2. laser scoring round target device according to claim 1, it is characterised in that：At least two Laser emissions mould group includes
First laser emitting mould train and second laser emitting mould train, and at least two linear arrays Photoelectric Detection mould group includes First Line
Battle array Photoelectric Detection mould group and the second linear array Photoelectric Detection mould group, wherein：
The first laser emitting mould train is used for emission detection laser I, and the exploring laser light I is parallel to the shooting target surface and complete
The detected region of target surface is shot described in all standing；
The second laser emitting mould train is used for emission detection laser II, and the exploring laser light II is parallel to the shooting target surface simultaneously
The detected region of the shooting target surface is completely covered；
The first linear array Photoelectric Detection mould group is used to receive the exploring laser light I and obtains the position data I of the bullet；
The second linear array Photoelectric Detection mould group is used to receive the exploring laser light II and obtains the position data II of the bullet.
3. laser scoring round target device according to claim 2, it is characterised in that：The laser scoring round target device further includes the first light
Lever construction and the second feed rod rod structure；
The exploring laser light I and the exploring laser light II are by the first linear array Photoelectric Detection mould group and the second linear array light
Before electro-detection mould group receives, also amplified respectively by the feed rod rod structure and the second feed rod rod structure.
4. laser scoring round target device according to claim 3, it is characterised in that：The laser scoring round target device further includes first sharp
Light reflects mould group and second laser reflects mould group；
The first laser reflection mould group is used to receive the exploring laser light I of the first laser emitting mould train transmitting, and
The exploring laser light I is reflected to the first linear array Photoelectric Detection mould group；
The second laser reflection mould group is used to receive the exploring laser light II of the second laser emitting mould train transmitting, and
The exploring laser light II is reflected to the second linear array Photoelectric Detection mould group；
The first feed rod rod structure and the second feed rod rod structure pass through first laser reflection mould group and described second
Laser reflection mould group amplifies the exploring laser light I and the exploring laser light II respectively.
5. laser scoring round target device according to claim 2, it is characterised in that：
The first linear array Photoelectric Detection mould group is also used to receive the exploring laser light I and obtains the width data I of the bullet；
The second linear array Photoelectric Detection mould group is also used to receive the exploring laser light II and obtains the width data of the bullet
Ⅱ。
6. laser scoring round target device according to claim 2, it is characterised in that：The position data includes the position data
I and the position data II, the data processing mould group bullet is obtained according to the position data I and the position data II
Ball includes in the number of rings value of the point of impact of the shooting target surface：
The data processing mould group is to shoot 10 ring centers of target surface as origin, with the central ray of the exploring laser light I in institute
That states shooting target surface is projected as y-axis, and the x-axis that is projected as with the central ray of the exploring laser light II in the shooting target surface is established
Two-dimensional coordinate system, wherein x-axis is mutually perpendicular to y-axis；
The bullet that the data processing mould group is detected according to the first linear array Photoelectric Detection mould group is in two-dimensional coordinate system
The bullet that the position data I and the second linear array Photoelectric Detection mould group in horizontal direction detect is in two dimension
The position data II in coordinate system vertical direction, to determine point of impact position of the bullet in two-dimensional coordinate system；
The data processing mould group obtains point of impact bullet in bullet according to point of impact position of the bullet in two-dimensional coordinate system
Point shooting target surface on point of impact number of rings value.
7. laser scoring round target device according to claim 2, it is characterised in that：The first laser emitting mould train or described
Dual-laser emitting mould train includes semiconductor laser, collimating mirror and Bao Weier prism.
8. laser scoring round target device according to claim 2, it is characterised in that：The first linear array Photoelectric Detection mould group or institute
Stating the second linear array Photoelectric Detection mould group includes multiple photelectric receivers, and the photelectric receiver is arranged in a linear.
9. laser scoring round target device according to claim 1, it is characterised in that：At least two Laser emissions mould group and institute
State the back side that at least two linear array Photoelectric Detection mould groups are set to the positive or described shooting target surface of the shooting target surface.
10. a kind of laser target scoring method, the laser target scoring method is suitable for swashing as described in any one of claim 1-9
Light scoring round target device, the laser scoring round target device include at least two Laser emission mould groups, at least two linear array Photoelectric Detection mould groups
With data processing mould group；It is characterized in that, the laser target scoring method includes the following steps：
Make each Laser emission mould group emission detection laser, the exploring laser light is parallel to shooting target surface and described penetrate is completely covered
Hit the detected region of target surface；
Each linear array Photoelectric Detection mould group is set to receive the exploring laser light and obtain the position data of the bullet；
So that the data processing mould group is received the position data, and the bullet is obtained according to the position data and is penetrated described
Hit the number of rings value of the point of impact of target surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599455.8A CN108844416A (en) | 2018-06-12 | 2018-06-12 | A kind of laser scoring round target device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599455.8A CN108844416A (en) | 2018-06-12 | 2018-06-12 | A kind of laser scoring round target device and method |
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| CN108844416A true CN108844416A (en) | 2018-11-20 |
Family
ID=64211642
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| CN201810599455.8A Pending CN108844416A (en) | 2018-06-12 | 2018-06-12 | A kind of laser scoring round target device and method |
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Cited By (4)
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| CN109931818A (en) * | 2019-04-18 | 2019-06-25 | 肖月 | It is a kind of directly to take aim at cannon hit telling system and method |
| CN110487122A (en) * | 2019-07-19 | 2019-11-22 | 南京拓恒无人系统研究院有限公司 | A kind of laser hit telling system |
| CN110645848A (en) * | 2019-09-03 | 2020-01-03 | 西安工业大学 | Pellet landing coordinate and speed measuring device |
| CN112316409A (en) * | 2020-10-29 | 2021-02-05 | 江苏环球之星影视设备科技有限公司 | Method for identifying different shooting points of screen by infrared laser |
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| CN110645848A (en) * | 2019-09-03 | 2020-01-03 | 西安工业大学 | Pellet landing coordinate and speed measuring device |
| CN112316409A (en) * | 2020-10-29 | 2021-02-05 | 江苏环球之星影视设备科技有限公司 | Method for identifying different shooting points of screen by infrared laser |
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Application publication date: 20181120 |