CN203745134U - Explosion shock wave data acquisition device in container for simulated deep water explosion test - Google Patents
Explosion shock wave data acquisition device in container for simulated deep water explosion test Download PDFInfo
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- CN203745134U CN203745134U CN201420127995.3U CN201420127995U CN203745134U CN 203745134 U CN203745134 U CN 203745134U CN 201420127995 U CN201420127995 U CN 201420127995U CN 203745134 U CN203745134 U CN 203745134U
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Abstract
The utility model relates to an explosion shock wave data acquisition device in a container used for a simulated deep water explosion test. An upper metal rod (1) and a lower metal rod (8) are correspondingly fixed to an upper portion and a lower portion of the inner wall of the container used for simulating the deep water explosion test; one side of a spherical explosive (2) is vertically connected with three to eight iron wires (7); the upper end and the lower end of each steel wire (7) are correspondingly connected with the upper metal rod (1) and the lower metal rod (8); the first iron wire (7) which is adjacent to the spherical explosive (2) is separated from the spherical explosive (2) by a distance from 200 mm to 400 mm; a piezoelectric sensor (5) is respectively fixed to each iron wire (7); each piezoelectric sensor (5) and the spherical explosive (2) are located on the same horizontal line; and each piezoelectric sensor (5) extends out from a cable change-over disc (6) through respective coaxial test cables (3). The explosion shock wave data acquisition device in the container used for the simulated deep water explosion test of the utility model has the advantages of accurate measurement, convenient installation and low cost.
Description
Technical field
The utility model belongs to underwater blast wave data collecting field.Be specifically related to a kind of simulation deepwater environment explosive test container implode shock wave data collector.
Technical background
Along with the Devoting Major Efforts To Developing utilization of human society to rivers,lakes and seas resource, submarine blast is more and more widely used in all kinds of Underwater Engineering, as waterway dredging, seismic prospecting and deep water reef explosion etc.Submarine blast belongs to multiple coupled cross discipline, and due to its complicacy, research is always taking experiment as main.In order better to carry out the research of Underwater Engineering blasting technique, many scientific research institutions start to introduce satisfactory simulation deepwater environment explosive test container.
Utilize underwater blast wave data collector to monitor underwater blast wave, and then the propagation law of underwater blast wave is carried out to scientific research, this is the method generally adopting.At present, in the underwater blast wave data collector using, pressure transducer separates with charge amplifier, and connects by long cable, explosion wave pressure signal is by changed by external magnetic field effect in long cable process, thereby makes test result occur relatively large deviation; With in container implode shock wave data collector, be mainly to use container inner wall weld metal base for fixation pressure sensor by the rope of suspension strap counterweight or in the explosive test of simulation deepwater environment in existing simulation deepwater environment explosive test.In the time simulating deepwater environment explosive test, for recording the underwater blast wave pressure at the spherical explosive diverse location of the distance place at same depth of water place in simulation deepwater environment explosive test container, there is poor reliability in existing data collector, fixing not firm, the point position of sensor is difficult to the problems such as replacing, can not meet test demand.
Summary of the invention
The utility model is intended to overcome prior art defect, and object is to provide a kind of simulation deepwater environment explosive test accurate, safe and reliable, easy for installation and with low cost container implode shock wave data collector of testing; The data that this device gathers can provide foundation for the research of simulation deepwater environment explosion wave propagation law.
For achieving the above object, the utility model adopts following technical scheme: described device comprises piezoelectric transducer, iron wire, upper metal bar and lower metal bar.The explosive test of simulation deepwater environment is equipped with spherical explosive with the center of container, is fixed with accordingly upper metal bar and lower metal bar in the explosive test of simulation deepwater environment with upper inside wall and the inwall bottom of container.Vertically be connected with 3 ~ 8 iron wires in spherical explosive one side, one end of every iron wire is fixedly connected with upper metal bar, the other end is fixedly connected with lower metal bar, is 200mm ~ 400mm near first iron wire of spherical explosive and the distance of spherical explosive, and the spacing of every iron wire equates; Every iron wire is fixed with respectively piezoelectric transducer.Each piezoelectric transducer and spherical explosive are positioned on same level line, and each piezoelectric transducer passes Splices cable dish by coaxial test cable separately.
Described spherical explosive is the spherical explosive that surperficial precision of being wrapped up by metal cap press-fits.
Described upper metal bar is identical with the diameter of lower metal bar, and the diameter of upper metal bar and lower metal bar is 20 ~ 40mm.
The diameter of described 3 ~ 8 iron wires is identical, and the diameter of every iron wire is 1 ~ 3mm.
Owing to adopting technique scheme, the utility model compared with prior art has following good effect:
1, test accurately.Piezoelectric transducer in the utility model can be fixed on iron wire easily, iron wire is connected with lower metal bar with upper metal bar again, strain after exceptionally straight and there is some tension, in blast process, ensure that piezoelectric transducer can not be subject to underwater blast wave effect and depart from calibration position under water; Coaxial test cable, on upper metal bar or lower metal bar, can prevent that it is subject to underwater blast wave effect and damaged, guarantees accurately to obtain explosion wave pressure signal.The explosion wave pressure signal that this device gathers offers outside data processing equipment, can provide foundation for the research of simulation deepwater environment explosion wave propagation law.
2, easy for installation.The utility model, according to concrete test demand, can change quantity and the position of iron wire and piezoelectric transducer, easy assembly and disassembly flexibly.
3, with low cost.The processing of the utility model material therefor is simple, and expense is cheap.
Therefore, the utlity model has test feature accurate, easy for installation and with low cost; The data that the utility model gathers can provide foundation for the research of simulation deepwater environment explosion wave propagation law.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described, not the restriction to its protection domain.
embodiment 1
Container implode shock wave data collector for the explosive test of a kind of simulation deepwater environment.As shown in Figure 1, described device comprises piezoelectric transducer 5, iron wire 7, upper metal bar 1 and lower metal bar 8.The explosive test of simulation deepwater environment is equipped with spherical explosive 2 with the center of container 4, is fixed with accordingly upper metal bar 1 and lower metal bar 8 in the explosive test of simulation deepwater environment with upper inside wall and the inwall bottom of container 4.Vertically be connected with 5 iron wires 7 in spherical explosive 2 one sides, one end of every iron wire 7 is fixedly connected with upper metal bar 1, the other end is fixedly connected with lower metal bar 8, first iron wire 7 near spherical explosive 2 is 200mm ~ 400mm with the distance of spherical explosive 2, and the spacing of every iron wire 7 equates; Every iron wire 7 is fixed with respectively piezoelectric transducer 5.Each piezoelectric transducer 5 is positioned on same level line with spherical explosive 2, and each piezoelectric transducer 5 passes Splices cable dish 6 by coaxial test cable 3 separately.
Described spherical explosive 2 is spherical explosives that surperficial precision of being wrapped up by metal cap press-fits.
Described upper metal bar 1 is identical with the diameter of lower metal bar 8, and the diameter of upper metal bar 1 and lower metal bar 8 is 20 ~ 30mm.
The diameter of described 5 iron wires 7 is identical, and the diameter of every iron wire 7 is 1 ~ 2mm.
embodiment 2
Container implode shock wave data collector for the explosive test of a kind of simulation deepwater environment.Except following technical parameter, all the other are with embodiment 1:
Vertically be connected with 3 ~ 4 or 6 ~ 8 iron wires 7 in spherical explosive 2 one sides;
The diameter of upper metal bar 1 and lower metal bar 8 is 30 ~ 40mm;
The diameter of described 3 ~ 4 or 6 ~ 8 iron wires 7 is identical, and the diameter of every iron wire 7 is 2 ~ 3mm.
This embodiment compared with prior art has following good effect:
1, test accurately.Piezoelectric transducer 5 in this embodiment can be fixed on iron wire 7 easily, iron wire 7 is connected with lower metal bar 8 with upper metal bar 1 again, strain after exceptionally straight and there is some tension, in blast process, ensure that piezoelectric transducer 5 can not be subject to underwater blast wave effect and depart from calibration position under water; Coaxial test cable 3, on upper metal bar 1 or lower metal bar 8, can prevent that it is subject to underwater blast wave effect and damaged, guarantees accurately to obtain explosion wave pressure signal.The explosion wave pressure signal that this device gathers offers outside data processing equipment, can provide foundation for the research of simulation deepwater environment explosion wave propagation law.
2, easy for installation.This embodiment, according to concrete test demand, can change quantity and the position of iron wire 7 and piezoelectric transducer 5, easy assembly and disassembly flexibly.
3, with low cost.The processing of this embodiment material therefor is simple, and expense is cheap.
Therefore, this embodiment has test feature accurate, easy for installation and with low cost, and the data that this embodiment gathers can provide foundation for the research of simulation deepwater environment explosion wave propagation law.
Claims (4)
1. a container implode shock wave data collector for the explosive test of simulation deepwater environment, is characterized in that described device comprises piezoelectric transducer (5), iron wire (7), upper metal bar (1) and lower metal bar (8); Spherical explosive (2) is equipped with in the center of simulation deepwater environment container (4) for explosive test, is fixed with accordingly upper metal bar (1) and lower metal bar (8) in upper inside wall and the inwall bottom of simulation deepwater environment container (4) for explosive test; Vertically be connected with 3 ~ 8 iron wires (7) in spherical explosive (2) one sides, one end of every iron wire (7) is fixedly connected with upper metal bar (1), the other end is fixedly connected with lower metal bar (8), be 200mm ~ 400mm near first iron wire (7) of spherical explosive (2) and the distance of spherical explosive (2), the distance between every iron wire (7) equates; Every iron wire (7) is fixed with respectively piezoelectric transducer (5), each piezoelectric transducer (5) is positioned on same level line with spherical explosive (2), and each piezoelectric transducer (5) passes Splices cable dish (6) by coaxial test cable (3) separately.
2. according to container implode shock wave data collector for the simulation deepwater environment explosive test described in claims 1, it is characterized in that described spherical explosive (2) is the spherical explosive that surperficial precision of being wrapped up by metal cap press-fits.
3. according to container implode shock wave data collector for the simulation deepwater environment explosive test described in claims 1, it is characterized in that described upper metal bar (1) is identical with the diameter of lower metal bar (8), the diameter of upper metal bar (1) and lower metal bar (8) is 20 ~ 40mm.
4. according to container implode shock wave data collector for the simulation deepwater environment explosive test described in claims 1, it is characterized in that the diameter of described 3 ~ 8 iron wires (7) is identical, the diameter of every iron wire (7) is 1 ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127995.3U CN203745134U (en) | 2014-03-20 | 2014-03-20 | Explosion shock wave data acquisition device in container for simulated deep water explosion test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127995.3U CN203745134U (en) | 2014-03-20 | 2014-03-20 | Explosion shock wave data acquisition device in container for simulated deep water explosion test |
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| CN203745134U true CN203745134U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420127995.3U Expired - Fee Related CN203745134U (en) | 2014-03-20 | 2014-03-20 | Explosion shock wave data acquisition device in container for simulated deep water explosion test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404334A (en) * | 2016-09-19 | 2017-02-15 | 中国科学技术大学 | Method of obtaining spherical converging shock wave |
| CN108072305A (en) * | 2017-12-07 | 2018-05-25 | 西安近代化学研究所 | Position of explosion center device |
| CN108593520A (en) * | 2018-05-07 | 2018-09-28 | 河南工程学院 | Electric pulse coal petrography fracturing anatonosis experimental system and experimental method under a kind of air environment |
-
2014
- 2014-03-20 CN CN201420127995.3U patent/CN203745134U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404334A (en) * | 2016-09-19 | 2017-02-15 | 中国科学技术大学 | Method of obtaining spherical converging shock wave |
| CN106404334B (en) * | 2016-09-19 | 2018-12-14 | 中国科学技术大学 | A method of it obtaining spherical surface and converges shock wave |
| CN108072305A (en) * | 2017-12-07 | 2018-05-25 | 西安近代化学研究所 | Position of explosion center device |
| CN108593520A (en) * | 2018-05-07 | 2018-09-28 | 河南工程学院 | Electric pulse coal petrography fracturing anatonosis experimental system and experimental method under a kind of air environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20160320 |