CN213874000U - Speed measuring device for measuring directional fragment speed attenuation law - Google Patents
Speed measuring device for measuring directional fragment speed attenuation law Download PDFInfo
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- CN213874000U CN213874000U CN202022937477.6U CN202022937477U CN213874000U CN 213874000 U CN213874000 U CN 213874000U CN 202022937477 U CN202022937477 U CN 202022937477U CN 213874000 U CN213874000 U CN 213874000U
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- light curtain
- fixed bolster
- speed
- photocell
- box
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Abstract
The utility model provides a speed sensor for directional fragment speed decay law is measured usefulness, this application fixed bolster sets up side by side and links to each other through the fixed bolster bottom, fixed bolster top middle part is provided with laser range finder, install the light curtain target in the fixed bolster upper portion, each light curtain target connects data acquisition system through the connecting wire and is carried out data output after data processing system handles by rethread data processing system after collecting data by data acquisition system, this application light curtain target middle part is for the regional one side of testing the speed and is the receiving box for launching box opposite side, there is one row of laser emitter who sets up side by side in the launching box, laser emitter's transmitting terminal is just to optical lens, the receiving box has photocell and receiving circuit board, the photocell corresponds with optical lens, receiving circuit board sets up at the photocell rear side. According to the method, the plurality of light curtain targets are arranged in parallel according to the characteristics of the light curtain targets, the average speed can be estimated by utilizing the time difference when the projectile passes through by placing the plurality of light curtain targets at a fixed distance, and then the data acquisition and recording system is matched.
Description
Technical Field
The utility model relates to a test equipment field especially involves a speed sensor who is used for directional fragment speed decay law to measure usefulness.
Background
In order to better determine the killing radius and the killing area of a projectile and conveniently research the power of the projectile, the traditional mode is carried out through a targeting experiment, but the efficiency is low, at present, a method of combining theoretical analysis and test is adopted, the attenuation law of the velocity of the projectile fragment is researched, a mathematical model for calculating the windward area of the projectile fragment is obtained through the theoretical analysis, the test can obtain the mass distribution condition and the initial velocity distribution condition of a certain type of remote killing elastic sheet, a light curtain target is a target which uses parallel light to irradiate a light cell to enable a light cell to generate current in a circuit, when an object passes through a light curtain, a small segment of parallel light can be shielded, a photocell can generate a shielded signal, a plurality of light curtain targets are placed at fixed distances, the average velocity can be estimated by using the time difference when the projectile passes through, and the applicant designs a velocity measuring device for measuring the velocity attenuation law of the directional fragment velocity according to the characteristics of the light curtain .
SUMMERY OF THE UTILITY MODEL
To solve the above existing problems. The utility model provides a speed sensor for directional fragment speed decay law is measured and is used, according to light curtain target characteristic with a plurality of settings side by side, through placing a plurality of light curtain targets at fixed distance, the time difference when then usable shot passes estimates average speed, deuterogamies data acquisition and recording system.
The utility model provides a speed measuring device for directional fragment speed decay law measurement, including light curtain target, laser range finder and fixed bolster, the fixed bolster sets up side by side and links to each other through the fixed bolster bottom, fixed bolster top middle part is provided with laser range finder, install the light curtain target in the fixed bolster upper portion, each light curtain target connects data acquisition system through the connecting wire and carries out data output after data acquisition system collects data by data acquisition system again through data processing system processing, the light curtain target includes transmission box, laser emitter, optical lens piece, speed measuring region, photocell, receiving circuit board and receiving box, light curtain target middle part is that speed measuring region one side is transmission box opposite side is receiving box, there is a row of laser emitter who sets up side by side in the transmission box, laser emitter's transmitting terminal is just to optical lens piece, receiving box has photocell and receiving circuit board, the photocell corresponds to the optical lens, and the receiving circuit board is arranged on the rear side of the photocell.
As the utility model discloses further improve, the light curtain target has 3 at least, the light curtain target equidistance sets up side by side, and general shot adopts 3 light curtain targets can, and can place by the equidistance.
As a further improvement of the utility model, the laser emitters are 8-12, and 8-12 laser emitters are generally designed according to the light curtain target requirement.
The utility model relates to a speed sensor for directional fragment speed decay law is measured and is used, including a plurality of target surfaces, fixed bolster, laser range finder, data acquisition and record system, laser range finder measure the distance between each target surface, and is fixed, and the projectile flight gets into the target surface region of testing the speed, and the system can gather data, handles data, and the computation time, the distance reachs speed. And finally, outputting the data.
Drawings
FIG. 1 is a schematic view of the system of the present invention;
FIG. 2 is a schematic view of the light curtain target of the present invention;
illustration of the drawings:
1. a light curtain target; 2. a laser range finder; 3. fixing a bracket; 11. a launch box; 12. a laser transmitter; 13. an optical lens; 14. a speed measuring area; 15. a photovoltaic cell; 16. receiving a circuit board; 17. a cassette is received.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the utility model provides a speed sensor for directional fragment speed decay law is measured and is used, according to light curtain target characteristic with a plurality of settings side by side, through placing a plurality of light curtain targets at fixed distance, the time difference when then usable shot passes estimates average speed, deuterogamies data acquisition and recording system.
As an embodiment of the utility model, the utility model provides a speed measuring device for directional fragment speed attenuation law measurement, including light curtain target 1, laser range finder 2 and fixed bolster 3, fixed bolster 3 sets up side by side and links to each other through fixed bolster 3 bottom, fixed bolster 3 top middle part is provided with laser range finder 2, install light curtain target 1 in the fixed bolster 3 upper portion, each light curtain target 1 connects data acquisition system through the connecting wire and carries out data output after data acquisition system collects data by data acquisition system after again through data processing system processing, light curtain target 1 includes launch box 11, laser emitter 12, optical lens 13, speed measuring region 14, photocell 15, receiving circuit board 16 and receiving box 17, light curtain target 1 middle part is that speed measuring region 14 one side is launch box 11 opposite side is receiving box 17, there is a row of laser emitter 12 that sets up side by side in launch box 11, the transmitting end of the laser transmitter 12 faces the optical lens 13, the receiving box 17 is provided with a photocell 15 and a receiving circuit board 16, the photocell 15 corresponds to the optical lens 13, and the receiving circuit board 16 is arranged on the rear side of the photocell 15.
As a specific embodiment, the utility model provides a speed sensor for directional fragment speed attenuation law is measured and is used as shown in figure 1 figure 2, including light curtain target 1, laser range finder 2 and fixed bolster 3, fixed bolster 3 sets up side by side and links to each other through fixed bolster 3 bottoms, fixed bolster 3 top middle part is provided with laser range finder 2, install light curtain target 1 in fixed bolster 3 upper portions, light curtain target has at least 3, light curtain target sets up side by side equidistance, general shot adopts 3 light curtain targets can, and can place the equidistance, and each light curtain target 1 connects data acquisition system through the connecting wire and data output after collecting data by data acquisition system and rethreading data processing system, light curtain target 1 includes launching box 11, laser emitter 12, optical lens 13, The speed measuring area 14, photocell 15, receiving circuit board 16 and receiving box 17, 1 middle part of light curtain target is for the speed measuring area 14 one side for emitting box 11 opposite side is receiving box 17, there is a row of laser emitter 12 that sets up side by side in the emitting box 11, laser emitter has 8-12, generally designs 8-12 laser emitter according to light curtain target needs, the transmitting terminal of laser emitter 12 is just to optical lens 13, receiving box 17 has photocell 15 and receiving circuit board 16, photocell 15 corresponds with optical lens 13, receiving circuit board 16 sets up at 15 rear sides of photocell.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but also to cover any modifications or equivalent changes made in the technical spirit of the present invention, which fall within the scope of the present invention.
Claims (4)
1. The utility model provides a speed sensor for directional fragment speed attenuation law is measured and is used, includes light curtain target (1), laser range finder (2) and fixed bolster (3), its characterized in that: the fixed bolster (3) set up side by side and link to each other through fixed bolster (3) bottom, fixed bolster (3) top middle part is provided with laser range finder (2), install light curtain target (1) in fixed bolster (3) upper portion, each light curtain target (1) connects data acquisition system through the connecting wire and carries out data output after data acquisition system collects data by data acquisition system processing back rethread data processing system, light curtain target (1) is for launching box (11) opposite side for launching box (11) receiving box (17) for launching box (11) one side of light curtain target (1) middle part, launching box (11) is interior to have a row of laser emitter (12) that set up side by side, the transmitting terminal of laser emitter (12) is just to optical lens (13), the receiving box (17) is provided with a photocell (15) and a receiving circuit board (16), the photocell (15) corresponds to the optical lens (13), and the receiving circuit board (16) is arranged at the rear side of the photocell (15).
2. A speed measuring device for directional fragment velocity attenuation law measurement according to claim 1, characterized in that: the number of the light curtain targets (1) is at least 3.
3. A speed measuring device for directional fragment velocity attenuation law measurement according to claim 1, characterized in that: the light curtain targets (1) are arranged side by side at equal intervals.
4. A speed measuring device for directional fragment velocity attenuation law measurement according to claim 1, characterized in that: the number of the laser transmitters (12) is 8-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937477.6U CN213874000U (en) | 2020-12-10 | 2020-12-10 | Speed measuring device for measuring directional fragment speed attenuation law |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937477.6U CN213874000U (en) | 2020-12-10 | 2020-12-10 | Speed measuring device for measuring directional fragment speed attenuation law |
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| Publication Number | Publication Date |
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| CN213874000U true CN213874000U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022937477.6U Active CN213874000U (en) | 2020-12-10 | 2020-12-10 | Speed measuring device for measuring directional fragment speed attenuation law |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883976A (en) * | 2021-11-04 | 2022-01-04 | 中国人民解放军32181部队 | Ammunition fragment damage data acquisition device |
| CN115876041A (en) * | 2023-01-12 | 2023-03-31 | 西安工业大学 | Supersonic velocity target outer trajectory parameter measuring device and measuring method |
-
2020
- 2020-12-10 CN CN202022937477.6U patent/CN213874000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883976A (en) * | 2021-11-04 | 2022-01-04 | 中国人民解放军32181部队 | Ammunition fragment damage data acquisition device |
| CN115876041A (en) * | 2023-01-12 | 2023-03-31 | 西安工业大学 | Supersonic velocity target outer trajectory parameter measuring device and measuring method |
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