CN108072305A - Position of explosion center device - Google Patents
Position of explosion center device Download PDFInfo
- Publication number
- CN108072305A CN108072305A CN201711288851.0A CN201711288851A CN108072305A CN 108072305 A CN108072305 A CN 108072305A CN 201711288851 A CN201711288851 A CN 201711288851A CN 108072305 A CN108072305 A CN 108072305A
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- Prior art keywords
- quick
- present
- dial
- fried heart
- testing base
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/14—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force of explosions; for measuring the energy of projectiles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of position of explosion center devices, solve the problems, such as that the prior art can not determine quick-fried heart position under dynamic blast operating condition of test.The present invention is made of testing base, direction regulator and pressure cell, quick-fried heart azimuth can be calculated by measuring shock wave arrival time using the present invention, the quick-fried heart azimuth measured using position of explosion center device of the present invention at two different positions can calculate the position of the quick-fried heart；Test site need to be embedded to by carrying out quick-fried heart azimuth and quick-fried heart position finding using the present invention, not influence the test of other explosive parameters；Apparatus of the present invention cost is relatively low, and when use need to be embedded to test site, and the possibility damaged by explosion fragment is relatively low；Test philosophy of the present invention is based on electrical measuring method, is influenced from ambient light strength factor；The present invention can be used for measuring the angle of the quick-fried heart of arbitrary orientation, for calculating the position of the quick-fried heart.
Description
Technical field
The present invention relates to a kind of position of explosion center devices, belong to explosion and shock-testing technical field.
Background technology
In order to which actual response actual combat state warhead is to the damage effectiveness of target, dynamic blast experiment in recent years is more and more
Ground is used for the Kill capability assessment of warhead.And dynamic blast is tested compared with static detonation is tested, due to quick-fried heart position
It puts and is not fixed, can influence the assessment of the structure and sample of sample brisance field to target Damage ability, therefore into Mobile state
Explosive test is firstly the need of the quick-fried heart position of measure sample.
At present, dynamic blast experiment is not specifically used to measure the experimental rig of the quick-fried heart, and when experiment is usually quick-fried using shooting
The explosion center of the high-speed photography estimation sample of fried process.Quick-fried heart measure is carried out using high-speed photography, need to be made a reservation in test site
The quick-fried heart be disposed about 2 or more Position Scales, the line of Position Scale is vertical with high-speed camera lens axis, scale spacing
It is measured with tape measure, the pixel quantity that the photo shot by high-speed camera is read between scale determines each pixel pair in photo
The distance answered can be evaluated whether the quick-fried heart position of sample according to the position of sample fire point in photo.It is measured using high-speed camera
The method of the quick-fried heart has the following problems：1. Position Scale can generate interference to explosive field, the normal survey of other explosive parameters is influenced
Examination；2. high-speed camera is expensive, experiment process is possible to be exploded the fragmentation damage of generation, and maintenance cost is higher；It is 3. high
The sample frequency of fast photographic apparatus is heavier by ambient light intensity effect, and when insufficient light need to reduce sample frequency shooting, Ke Nengwu
Method accurately captures the photo to the quick-fried heart position of effective interpretation；It is regarded 4. surveying explosion center using high-speed camera and can only measure photographic apparatus
The quick-fried heart position of blast process in open country, can measuring angle be limited in scope.
The content of the invention
In order to solve the deficiencies in the prior art and defect, present invention offer is a kind of to be passed using electrical measuring method by measuring shock waves
The device that direction determines sample explosion center is broadcast, quick-fried heart azimuth can be measured using only the present invention, is selected in explosive field
Two measuring point installation present invention, the quick-fried heart azimuth measured according to two measuring points and the position of the two quick-fried hearts of measuring point distance computation.
In order to achieve the above objectives, the present invention provides a kind of quick-fried heart measurement device, by testing base, direction regulator and pressure
Quick element composition.The testing base is the Cylindrical housing structure of lower ending opening, and a circular cable hole is opened on side wall, is used
In extraction signal cable；There are three pressure cell, the pressure cell is evenly distributed on for the upper surface installation of the testing base
On one concentric circles of upper surface, it is distributed in equilateral triangle；The pressure cell can be pressure sensor, pressure-sensitive break-make target
Or pressure sensitive switch, according to the structure and size of the pressure cell of different model, processing mounting holes install pressure-sensitive member in testing base
Part；The upper surface circle centre position of the testing base is equipped with a positioning groove, for installation direction adjuster；The testing base it is upper
End face is equipped with a positioning graticule, connects the locating slot center of circle and a pressure cell and extends to the edge of testing base, is used for
The inceptive direction angle of auxiliary adjustment testing base；The direction regulator is made of dial and compass, and it is fixed to be mainly used for
Amount adjusts the inceptive direction angle of testing base, and the differential seat angle of recordable test device inceptive direction and direct north；It is described
Dial is disc structure, and there are one and the matched circular groove of compass in end face thereon, and bottom circle centre position is equipped with a positioning pin,
Size is matched with the locating slot of testing base upper surface, for dial positioning to be placed on test device center；The scale
Disk surrounding indicates graduation mark, wherein 0 ° of graduation mark extends to dial edge, during use with the positioning graticule pair in testing base
Together；The compass is circle, is movably arranged in the groove of dial upper surface, coaxial with dial.
Advantages of the present invention：(1) test site need to be embedded to when the present invention uses, is flushed with ground level, therefore to explosive field
Interference is not generated, does not influence the test of other explosive parameters；(2) cost of the present invention is relatively low, and test site need to be embedded to during use,
Therefore it is relatively low by the possibility of explosion fragment damage；(3) test philosophy of the present invention be based on electrical measuring method, from ambient light intensity because
Element influences；(4) present invention can be used for measuring the angle of the quick-fried heart of arbitrary orientation, for calculating the position of the quick-fried heart.
Description of the drawings：
Fig. 1 is position of explosion center apparatus structure schematic diagram of the present invention, 1. testing bases in figure, 2. direction regulators, 3 pressure-sensitive yuan
Part；
Fig. 2 is testing base structure diagram of the present invention, 1-1. cable holes in figure, 1-2. locating slots, 1-3 positioning graticules；
Fig. 3 is direction regulator structure diagram of the present invention, 2-1. dials in figure, 2-2. compasses, 2-3. positioning pins.
Specific embodiment：
With reference to the accompanying drawings and detailed description to the detailed description of the invention, but embodiment is not the limit to the present invention
It is fixed.
Embodiment 1：
The present invention is referring to Fig. 1, Fig. 2 and Fig. 3, including testing base 1 and direction regulator 2.Testing base 1 is lower ending opening
Cylindrical housing structure, metal material or other high-strength non-metallic materials should be selected to make, set that there are one circles on side wall
Shape cable hole 1-1, for drawing signal cable；There are three pressure cells 3 for the upper surface installation of testing base 1；Three pressure-sensitive members
Part 3 is evenly distributed on a concentric circles of upper surface, i.e. three pressure cells 3 are distributed in equilateral triangle；Testing base 1
Upper surface circle centre position is equipped with a positioning groove 1-2, for installation direction adjuster 2；The upper surface of testing base 1 is equipped with a positioning
Graticule 1-3 connects the center of circle of upper surface and a pressure cell 3 and extends to the edge of testing base 1；Direction regulator 2 by
Dial 2-1 and compass 2-2 compositions, dial 2-1 are disc structure, and dial 2-1 bottoms circle centre position is equipped with a positioning pin
2-3, size are matched with the locating slot 1-2 of testing base upper surface；Dial 2-1 surroundings indicate graduation mark, wherein 0 ° of graduation mark
Dial 2-1 edges are extended to, for aliging with the positioning graticule 1-3 in testing base 1；Compass 2-2 is circle, and activity is pacified
It is coaxial with dial 2-1 in the groove at dial 2-1 centers.
The present invention measures blast impulse wave pressure three pressure cells 3 of arrival using the pressure cell 3 in testing base 1
The orientation angles of the quick-fried heart can be calculated in time, and two measuring point installation present invention are selected in explosive field, can be surveyed by two
Put the position that distance between the quick-fried heart azimuth measured and two measuring points calculates the quick-fried heart.With existing test method instrument device phase
Than the present invention need to be embedded to test site and be flushed with ground level when using, therefore not generate interference to explosive field, not influence other
The test of explosive parameters；Apparatus of the present invention cost is relatively low, and test site need to be embedded to during use, therefore by explosion fragment damage
Possibility is relatively low；Test philosophy of the present invention is based on electrical measuring method, is influenced from ambient light strength factor；The present invention can be used for surveying
The angle of the quick-fried heart of arbitrary orientation is determined, for calculating the position of the quick-fried heart.
Embodiment 2：
It is integrally formed with concrete structure with embodiment 1, testing base 1 selects the processing of 45# steel, 150 millimeters of height, diameter
300 millimeters, 15 millimeters of side wall and upper surface wall thickness；Pressure cell 3 selects shock pressure sensor, according to the installation spiral shell of sensor
Shock pressure sensor is uniformly distributed mounted on 1 upper end radius surface of testing base by line processing mounting holes in testing base 1
On the concentric circles of 100mm；Before experiment, the shock pressure sensor in testing base 1 is connected into signal wire, by signal wire from cable
It is drawn in the 1-1 of hole and connects the data collecting instrument of distant place；Testing base 1 is embedded to test site and ensures that end face is horizontal thereon；
Direction regulator 2 is mounted on 1 center of testing base using positioning pin 2-3 and locating slot 1-2, makes 0 ° of graduation mark and testing base
Positioning graticule 1-3 alignment on 1；Apparatus of the present invention angle is adjusted, the finger north pointer of compass 2-2 is made to be directed toward 0 ° of graduation mark, table
It is bright that there are one shock pressure sensor alignment is just northern.
Arbitrary orientation selects 1 kilogram of TNT explosive to carry out explosion experiments at away from 5 meters of position of explosion center device installation point of the present invention
The power of test of verification apparatus of the present invention is verified.Before detonation, connected with a cotton thread in sample center and apparatus of the present invention
The heart is simultaneously tightened, and is read the angular readings on dial 1-1, is then taken angle demodulator 2 from pressure measurement pedestal 1 away；Detonation examination
After sample, from the pressure waveform of acquisition read shock wave reach 3 shock pressure sensors at the time of, by shock wave reach 0 °,
120 °, 240 ° of three shock pressure sensors at the time of be denoted as t respectively1、t2、t2, according to formulaCalculate quick-fried heart azimuth.
If t2＜ t3,
If t2＞ t3,
Experimental test and result of calculation are shown in Table 1 three times.
1 quick-fried heart azimuth test result of table
The result of the test obtained by present apparatus measurement is as it can be seen that apparatus of the present invention survey quick-fried heart azimuth with being surveyed on the spot before experiment
Magnitude error is no more than 1 °, reliable operation, and can measure the quick-fried heart azimuth of 360 ° of arbitrary orientations.
The position of explosion center device of 2 measuring point installation present invention is selected in test site, the quick-fried heart side at 2 point can be measured
Parallactic angle, carrying out geometry calculating with reference to the distance between 2 measuring points can be in the hope of the specific location of the quick-fried heart.
Embodiment 3：
It is integrally formed with concrete structure with embodiment 1-2, when being tested using the position of explosion center device of the present invention, if
Test site layout does not arrange experiment test device along standard east, south, west, north direction, can be existed according to experiment concrete condition
Test site sets coordinate system, can will be positioned when installing the position of explosion center device of the present invention in graticule 1-3 and the coordinate system
The instruction direction alignment of one reference axis surveys quick-fried heart azimuth as the phase under the coordinate system by the position of explosion center device of the present invention
Azimuthal.
Claims (2)
1. quick-fried heart measurement device, it is characterised in that described including testing base (1), direction regulator (2) and pressure cell (3)
Testing base (1) is the Cylindrical housing structure of lower ending opening, and a circular cable hole (1-1) is opened on side wall；The test
There are three pressure cell (3), the pressure cell (3) is evenly distributed on one of upper surface together for the upper surface installation of pedestal (1)
On heart circle, it is distributed in equilateral triangle；The upper surface circle centre position of the testing base (1) is equipped with a positioning groove (1-2), the survey
The upper surface for trying pedestal (1) is equipped with a positioning graticule (1-3), connects locating slot (1-2) center of circle and a pressure cell (3) simultaneously
Extend to the edge of testing base (1)；The direction regulator (2) is made of dial (2-1) and compass (2-2), described
Dial (2-1) is disc structure, and dial (2-1) bottom circle centre position is equipped with a positioning pin (2-3), in size and testing base
Locating slot (1-2) matching of end face；Dial (2-1) surrounding indicates graduation mark, wherein 0 ° of graduation mark extends to dial
(2-1) edge；The compass (2-2) is circle, is movably arranged in the groove at dial (2-1) center, with dial (2-
1) it is coaxial.
2. position of explosion center device according to claim 1, it is characterised in that：The pressure cell (3) is that can record punching
The electronic component that ripple reaches the time is hit, pressure sensor, pressure sensitive switch or pressure-sensitive break-make target etc. can be selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288851.0A CN108072305A (en) | 2017-12-07 | 2017-12-07 | Position of explosion center device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288851.0A CN108072305A (en) | 2017-12-07 | 2017-12-07 | Position of explosion center device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108072305A true CN108072305A (en) | 2018-05-25 |
Family
ID=62158045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711288851.0A Pending CN108072305A (en) | 2017-12-07 | 2017-12-07 | Position of explosion center device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108072305A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672241A (en) * | 2019-09-02 | 2020-01-10 | 南京理工大学 | Shock wave pressure sensor |
| CN110672263A (en) * | 2019-09-02 | 2020-01-10 | 南京理工大学 | Shock wave pressure sensor field calibration device and method |
| CN110986700A (en) * | 2019-11-29 | 2020-04-10 | 西安近代化学研究所 | Device and method for testing explosive core positioning |
| CN111610212A (en) * | 2020-06-03 | 2020-09-01 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN112525407A (en) * | 2020-11-20 | 2021-03-19 | 北京理工大学 | Shock wave single multi-sensor array testing method and device |
| RU2781016C1 (en) * | 2021-12-07 | 2022-10-04 | Федеральное государственное бюджетное учреждение "3 Центральный научно-исследовательский институт" Министерства обороны Российской Федерации | Method for determining the fougasse pulse of an explosive charge explosion in the near zone |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672241A (en) * | 2019-09-02 | 2020-01-10 | 南京理工大学 | Shock wave pressure sensor |
| CN110672263A (en) * | 2019-09-02 | 2020-01-10 | 南京理工大学 | Shock wave pressure sensor field calibration device and method |
| CN110986700A (en) * | 2019-11-29 | 2020-04-10 | 西安近代化学研究所 | Device and method for testing explosive core positioning |
| CN110986700B (en) * | 2019-11-29 | 2022-08-19 | 西安近代化学研究所 | Device and method for testing explosive core positioning |
| CN111610212A (en) * | 2020-06-03 | 2020-09-01 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN111610212B (en) * | 2020-06-03 | 2023-04-18 | 成都理工大学 | Scanning electron microscope sample positioning device and method for oil and gas reservoir transformation experiment |
| CN112525407A (en) * | 2020-11-20 | 2021-03-19 | 北京理工大学 | Shock wave single multi-sensor array testing method and device |
| CN112525407B (en) * | 2020-11-20 | 2022-02-01 | 北京理工大学 | Shock wave single multi-sensor array testing method and device |
| RU2781016C1 (en) * | 2021-12-07 | 2022-10-04 | Федеральное государственное бюджетное учреждение "3 Центральный научно-исследовательский институт" Министерства обороны Российской Федерации | Method for determining the fougasse pulse of an explosive charge explosion in the near zone |
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Application publication date: 20180525 |