CN106525611A - An explosion wave model apparatus with adjustable shock wave waveforms - Google Patents
An explosion wave model apparatus with adjustable shock wave waveforms Download PDFInfo
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- CN106525611A CN106525611A CN201610979113.XA CN201610979113A CN106525611A CN 106525611 A CN106525611 A CN 106525611A CN 201610979113 A CN201610979113 A CN 201610979113A CN 106525611 A CN106525611 A CN 106525611A
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- air chamber
- air
- gas tank
- main gas
- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
An explosion wave model apparatus with adjustable shock wave waveforms is disclosed. The apparatus includes a multiple-air-chamber driving device, a mixing segment, an expansion segment and a testing segment. The air outlet of the multiple-air-chamber driving device is connected to an air feeding end of the expansion segment through the mixing segment. An air discharging end of the expansion segment is connected to the air inlet end of the testing segment. Compressed air is adopted as driving energy of the apparatus. A multiple-air-chamber multiple-membrane driving manner is adopted. Through controlling the number of the membrane explosion of the air chambers and the explosion time of each air chamber membrane, shock wave waveforms having different peak sizes and different shapes are generated. Through controlling the pressure of high-pressure gas and the flow rate of the released gas, shock wave hyperpressure peak values and positive pressure acting time are adjusted, thus generating simulated shock waves meeting tests.
Description
Technical field
The present invention relates to shock-wave analog load test technical field, more particularly to a kind of adjustable blast of impact waveform
Wave pattern device.
Background technology
The shock wave that blast is produced is topmost means during blast is injured, and explosion wave damage effect is always protected
The major subjects of engineering field, in the case where prototype nuclear test and big equivalent conventional weapon test situation can not be carried out, using laboratory
Technology realizes that shock-wave analog is to study the Main Means that explosion wave is injured.
Blast wave analogue means becomes effective and wide variety of explosion wave test instrument, and its type of drive mainly has
Explosive drives and drive of high-pressure gas is so as to produce the explosion wave of simulation.Fill using gases at high pressure as the simulation of drive energy
Put it is main be made up of driver (main gas tank), diaphragm or quick valve, expansion segment and test section etc., by breaking diaphragm or soon
Speed opens valve, and release gases at high pressure form shock wave, proceeds to up to test section along expansion segment and forms more uniform impact
Corrugated load, is loaded into test specimen and realizes that the Observable to blast wave is simulated.
The blast wave analogue means that many air chambers of traditional employing drive, the mode that shock wave is produced have two kinds：One kind is quick-fried
The mode of rupture of membranes piece, generally using explosive initiation, is detonated in the different time by controlling the diaphragm of each main gas tank, so as to produce
The impact waveform of multiple peak values, the deficiency of this kind of mode are the gas all release in plenum chamber, it is impossible to control high pressure gas
Body discharges capacity, and the concrete shape of waveform is difficult to effective control；Another way is the quick valve of control, by the fast of valve
Speed is opened and closed realizes the release of gases at high pressure, can control high pressure gas flow, but due to the valve response time it is slower, just
The opening and closing response time of the most quick response valve that can be found at present is also in a few tens of milliseconds rank, and price is sufficiently expensive, for
Millisecond is opened and closed the surge test of response time, can not meet requirement using quick valve.Therefore, traditional employing is more
The blast wave analogue means that air chamber drives, due to being limited by implementation or capacity of equipment, which produces the waveform of shock wave
Wayward or peak action time adjustment is limited in scope.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of impact waveform adjustable blast wave mould
Type device.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of adjustable blast wave model equipment of impact waveform, including many air chamber driving means, mixing section, expansion segment and
Test section, the gas outlet of many air chamber driving means are connected with the inlet end of the expansion segment by the mixing section, described
The outlet side of expansion segment is connected with the inlet end of the test section；
Many air chamber driving means include auxiliary air chamber, connecting rod, installing plate, piston rod and main gas tank, multiple masters
Air chamber is arranged in parallel, and the rear end of the connecting rod is fixedly connected with the piston being arranged in the auxiliary air chamber, the connecting rod
Front end is fixedly connected with the installing plate, the rear end of multiple piston rods with the installing plate slidable connection, the work
The front end of stopper rod is fixedly connected through the rear end face of the main gas tank with the sealed taper being arranged in the main gas tank, the main gas
The front end face of room is connected with the mixing section by escaping pipe, is provided with high-pressure membrane between the main gas tank and the escaping pipe
Piece, the front end of the sealed taper are provided with rupture of membranes cone.
Specifically, the auxiliary air chamber is divided into the piston the front air chamber and rear gas chamber for sealing against each other, the connecting rod
Rear end through the front end face of the auxiliary air chamber through hole it is vertical with the piston be connected, the connecting rod and the auxiliary air chamber
The medial surface sealing slidable connection of the through hole of front end face, the front end of the connecting rod is vertical with the installing plate to be connected.
Specifically, installing hole is provided with the installing plate, the rear end of the piston rod is slidably connected with the installing hole
Connect, the front end of the piston rod is fixedly connected through the through hole for being arranged on main gas tank's rear end face with the sealed taper, described
Piston rod is coaxially disposed with the escaping pipe, and the maximum gauge of the sealed taper is more than the internal diameter of the escaping pipe.
The beneficial effects of the present invention is：
A kind of adjustable blast wave model equipment of waveform that impacts of the invention is adopted many using compressed air as drive energy
The many diaphragm type of drive of air chamber, the blasting time of diaphragm explosion quantity and each air chamber diaphragm by controlling air chamber, to produce not
Same number of peaks, impact waveform of different shapes；By controlling the pressure of gases at high pressure and the throughput of release, impact is adjusted
Ripple peak overpressure and positive pressure time, so as to produce the simulation shock wave for meeting test.
Description of the drawings
Fig. 1 is a kind of structural representation of the adjustable blast wave model equipment of impact waveform of the present invention；
Fig. 2 is the structural representation of many air chamber driving means of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of adjustable blast wave model equipment of impact waveform of the present invention, including many air chamber driving means
1st, mixing section 2, expansion segment 3 and test section 4, the gas outlet of many air chamber driving means 1 pass through the air inlet of mixing section 2 and expansion segment 3
End connection, the outlet side of expansion segment 3 is connected with the inlet end of test section 4；
As shown in Fig. 2 many air chamber driving means 1 include auxiliary air chamber 5, connecting rod 6, installing plate 7, piston rod 8 and main gas tank
12, multiple main gas tank 12 are arranged in parallel, and the rear end of connecting rod 6 is fixedly connected with the piston being arranged in auxiliary air chamber 5, connecting rod 6
Front end be fixedly connected with installing plate 7, the rear end of multiple piston rods 8 with 7 slidable connection of installing plate, the front end of piston rod 8
Rear end face through main gas tank 12 is fixedly connected with the sealed taper 9 being arranged in main gas tank 12, and the front end face of main gas tank 12 passes through
Escaping pipe is connected with mixing section 2, and high pressure diaphragm 11 is provided between main gas tank 12 and escaping pipe, and the front end of sealed taper 9 is provided with
Auxiliary air chamber 5 is divided into the front air chamber and rear gas chamber for sealing against each other for rupture of membranes cone 10, piston, and the rear end of connecting rod 6 passes through auxiliary air chamber 5
Front end face through hole it is vertical with piston be connected, the medial surface of connecting rod 6 and the through hole of the front end face of auxiliary air chamber 5 is sealed slidably
Connection, the front end of connecting rod 6 is vertical with installing plate 7 to be connected, and installing hole, rear end and the installation of piston rod 8 are provided with installing plate 7
Hole slidable connection, the front end of piston rod 8 are fixedly connected through the through hole for being arranged on 12 rear end face of main gas tank with sealed taper 9, living
Stopper rod 8 is coaxially disposed with escaping pipe, and the maximum gauge of sealed taper 9 is more than the internal diameter of escaping pipe.
A kind of operation principle of the adjustable blast wave model equipment of impact waveform of the present invention is as follows：
Wherein mixing section 2 and expansion segment 3 are conically shaped, and the heavy caliber end of mixing section 2 is connected with many air chamber driving means 1
Connect, the small-caliber end of mixing section 2 is connected with the small-caliber end of expansion segment 3 by segment straight tube, big mouth stage and the examination of expansion segment 3
Test section 4 to connect.
Before analogue means test, according to test demand, by slip of the piston rod 8 in installing hole, each piston is adjusted
Length (i.e. the distance of piston rupture of membranes cone 10 and diaphragm) of the bar 8 in main gas tank 12, piston rod 8 and installing hole pass through damping material
Slidable connection, is passed through different gases at high pressure to main gas tank 12, auxiliary air chamber 5, until air pressure reaches presetting atmospheric pressure value.
During test, the front air chamber Quick air-discharge of auxiliary air chamber 5, two cavitys of auxiliary air chamber 5 form pressure reduction, in the effect of pressure reduction
Under, piston promotes side shifting (right side in illustrating) forward of installing plate 7, the piston in all main gas tank 12 by connecting rod 6
Bar 8 drives sealed taper 9 synchronously to travel forward, and after one segment distance of motion, closest high pressure diaphragm 11 is punctured by rupture of membranes cone 10,
Gases at high pressure in corresponding main gas tank 12 are flow in mixing section 2 quickly through escaping pipe, and are finally discharged from test section 4, are made
Into shock wave.At the same time, installing plate 7 continues to press on each piston rod 8 and moves forward, and the sealed taper 9 of most front side will be right therewith
The escaping pipe closure answered, simultaneously as piston rod 8 can slide in the installing hole so that installing plate 7 promote other piston rod 8 after
It is continuous to travel forward, and rupture high pressure diaphragm 11 successively according to different length, so as to produce the complex blast waves of multiple peak values.
The gases at high pressure of different pressures are filled with different main gas tank 12, the complexity of different punching press peak value sizes is obtained
Waveform, the interval time of each peak value can be by controlling each 11 blasting time of air chamber high pressure diaphragm realization, can be real in the following manner
It is existing：1) Jing installing plates 7 adjust each piston rod 8 respectively into the length in main gas tank 12, make the distance of each rupture of membranes cone 10 and diaphragm
Meet and require；2) by control connecting rod 6 and the translational speed of installing plate 7, that is, the pressure reduction of auxiliary tank is controlled, due to each air chamber
Rupture of membranes cone 10 with diaphragm apart from different, the explosion interval time of equally controllable each diaphragm.
This device has advantages below：
(1) using compressed air as drive energy, using many diaphragm type of drive of many air chambers, by controlling air chamber diaphragm
Explosion quantity and explosion interval time, to produce the complex blast waves waveform of multi-peak, and realize after being loaded into test specimen to blast
The simulation of shock wave.
(2) explosion of diaphragm is realized using mechanical collision, by the movement of piston rod 8, rupture of membranes cone 10 foremost breaks through
High pressure diaphragm 11, subsequent sealed taper 9 block gas outlet, to realize the quick release of gases at high pressure, close, can control and enter test
The high-pressure gas flow of section 4；
(3) in each main gas tank 12, rupture of membranes cone 10 is can adjust with the distance of high pressure diaphragm 11, i.e., adjust difference by installing plate 7
The length of 12 inner piston rod 8 of main gas tank, it is ensured that can be synchronized with the movement, controls each air chamber diaphragm blasting time, exactly so as to produce
The complex blast waves waveform of raw multi-peak；
(4) piston rod 8 in all main gas tank 12 synchronously travels forward, and bores 10 nearest diaphragms first apart from piston rupture of membranes
Rupture, the gases at high pressure quick release in corresponding air chamber, with travelling forward for motion, the diaphragm of other main gas tank 12 is pressed
Distance is from closely to far rupturing successively, and discharges gases at high pressure；
(5) gas release and the closing motion of all main gas tank 12, simple structure can be completed using an auxiliary tank；
Piston rod 8 in all main gas tank 12 is designed to can adjust, detachable, convenient use and replacing.
Technical scheme is not limited to the restriction of above-mentioned specific embodiment, and every technology according to the present invention scheme is done
The technology deformation for going out, each falls within protection scope of the present invention.
Claims (3)
- It is 1. a kind of to impact the adjustable blast wave model equipment of waveform, it is characterised in that：Including many air chamber driving means, mixing Section, expansion segment and test section, the air inlet of the gas outlet of many air chamber driving means by the mixing section and the expansion segment End connection, the outlet side of the expansion segment is connected with the inlet end of the test section；Many air chamber driving means include auxiliary air chamber, connecting rod, installing plate, piston rod and main gas tank, multiple main gas tank It is arranged in parallel, the rear end of the connecting rod is fixedly connected with the piston being arranged in the auxiliary air chamber, the front end of the connecting rod Be fixedly connected with the installing plate, the rear end of multiple piston rods with the installing plate slidable connection, the piston rod Front end be fixedly connected through the rear end face of the main gas tank with the sealed taper being arranged in the main gas tank, the main gas tank Front end face is connected with the mixing section by escaping pipe, and high pressure diaphragm, institute are provided between the main gas tank and the escaping pipe The front end for stating sealed taper is provided with rupture of membranes cone.
- 2. one kind according to claim 1 impacts the adjustable blast wave model equipment of waveform, it is characterised in that：The work The auxiliary air chamber is divided into plug the front air chamber and rear gas chamber for sealing against each other, and the rear end of the connecting rod is through the auxiliary air chamber The through hole of front end face is vertical with the piston to be connected, and the connecting rod is close with the medial surface of the through hole of the front end face of the auxiliary air chamber Envelope slidable connection, the front end of the connecting rod is vertical with the installing plate to be connected.
- 3. one kind according to claim 2 impacts the adjustable blast wave model equipment of waveform, it is characterised in that：The peace Installing hole is provided with dress plate, the rear end of the piston rod is worn with the installing hole slidable connection, the front end of the piston rod Cross and be arranged on the through hole of main gas tank's rear end face and be fixedly connected with the sealed taper, the piston rod is coaxial with the escaping pipe Arrange, the maximum gauge of the sealed taper is more than the internal diameter of the escaping pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979113.XA CN106525611B (en) | 2016-11-08 | 2016-11-08 | Blast wave model device with adjustable blast wave waveform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979113.XA CN106525611B (en) | 2016-11-08 | 2016-11-08 | Blast wave model device with adjustable blast wave waveform |
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| Publication Number | Publication Date |
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| CN106525611A true CN106525611A (en) | 2017-03-22 |
| CN106525611B CN106525611B (en) | 2023-08-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960626A (en) * | 2017-05-25 | 2017-07-18 | 重庆阿泰可科技股份有限公司 | Blast pressurization experimental box |
| CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
| CN109580069A (en) * | 2018-11-19 | 2019-04-05 | 西安近代化学研究所 | A kind of threshold effect target structure and test method for quick obtaining shock wave pressure peak ranges |
| CN113945355A (en) * | 2021-09-21 | 2022-01-18 | 中国航空工业集团公司西安飞机设计研究所 | Air inlet duct wind tunnel test simulation system under shock wave |
| CN114778059A (en) * | 2022-06-22 | 2022-07-22 | 中国飞机强度研究所 | Fragment and shock wave coupling shock test system and method for airplane vulnerability test |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004045202A (en) * | 2002-07-11 | 2004-02-12 | Central Glass Co Ltd | Generator for blast wave |
| CN1614377A (en) * | 2004-12-08 | 2005-05-11 | 常州市汇丰船舶附件制造有限公司 | Explosive impacting wave overbottom pressure analog testing method and apparatus thereof |
| CN1621796A (en) * | 2004-12-09 | 2005-06-01 | 南京航空航天大学 | Pneumatic type multiple waveform active shock waveform generator |
| JP2007205772A (en) * | 2006-01-31 | 2007-08-16 | Matsushita Electric Works Ltd | False blast impact system |
| US20130042665A1 (en) * | 2011-08-15 | 2013-02-21 | Ora, Inc. | Shock Tube Apparatus for Blast Wave Simulation |
| US20130186173A1 (en) * | 2012-01-24 | 2013-07-25 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Serv | Device for simulating explosive blast and imaging biological specimen |
| RU2012143231A (en) * | 2012-10-09 | 2014-04-20 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | DEVICE FOR FORMING A SHOCK WAVE PULSE |
| CN103743638A (en) * | 2014-01-06 | 2014-04-23 | 安徽理工大学 | Simulated composite loading device for explosive wave |
| CN103868805A (en) * | 2014-03-19 | 2014-06-18 | 中国人民解放军总参谋部工程兵科研三所 | Dual-driver and driving method for large explosion wave simulation device |
| CN206146763U (en) * | 2016-11-08 | 2017-05-03 | 中国工程物理研究院总体工程研究所 | Shock wave wave form adjustable blast wave model device |
-
2016
- 2016-11-08 CN CN201610979113.XA patent/CN106525611B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004045202A (en) * | 2002-07-11 | 2004-02-12 | Central Glass Co Ltd | Generator for blast wave |
| CN1614377A (en) * | 2004-12-08 | 2005-05-11 | 常州市汇丰船舶附件制造有限公司 | Explosive impacting wave overbottom pressure analog testing method and apparatus thereof |
| CN1621796A (en) * | 2004-12-09 | 2005-06-01 | 南京航空航天大学 | Pneumatic type multiple waveform active shock waveform generator |
| JP2007205772A (en) * | 2006-01-31 | 2007-08-16 | Matsushita Electric Works Ltd | False blast impact system |
| US20130042665A1 (en) * | 2011-08-15 | 2013-02-21 | Ora, Inc. | Shock Tube Apparatus for Blast Wave Simulation |
| US20130186173A1 (en) * | 2012-01-24 | 2013-07-25 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Serv | Device for simulating explosive blast and imaging biological specimen |
| RU2012143231A (en) * | 2012-10-09 | 2014-04-20 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | DEVICE FOR FORMING A SHOCK WAVE PULSE |
| CN103743638A (en) * | 2014-01-06 | 2014-04-23 | 安徽理工大学 | Simulated composite loading device for explosive wave |
| CN103868805A (en) * | 2014-03-19 | 2014-06-18 | 中国人民解放军总参谋部工程兵科研三所 | Dual-driver and driving method for large explosion wave simulation device |
| CN206146763U (en) * | 2016-11-08 | 2017-05-03 | 中国工程物理研究院总体工程研究所 | Shock wave wave form adjustable blast wave model device |
Non-Patent Citations (2)
| Title |
|---|
| 刘显军: "一种基于气体炮加载技术和惯性抛射原理的水冲击实验装置" * |
| 陈昌明;李建平;白春华;: "一种新的冲击波超压测试方法――压力响应膜片" * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960626A (en) * | 2017-05-25 | 2017-07-18 | 重庆阿泰可科技股份有限公司 | Blast pressurization experimental box |
| CN109342655A (en) * | 2018-10-12 | 2019-02-15 | 清华大学合肥公共安全研究院 | A kind of hot malicious disaster environment experimental system for simulating |
| CN109580069A (en) * | 2018-11-19 | 2019-04-05 | 西安近代化学研究所 | A kind of threshold effect target structure and test method for quick obtaining shock wave pressure peak ranges |
| CN109580069B (en) * | 2018-11-19 | 2021-06-15 | 西安近代化学研究所 | Threshold effect target structure for rapidly acquiring shock wave pressure peak value range and testing method |
| CN113945355A (en) * | 2021-09-21 | 2022-01-18 | 中国航空工业集团公司西安飞机设计研究所 | Air inlet duct wind tunnel test simulation system under shock wave |
| CN113945355B (en) * | 2021-09-21 | 2024-01-30 | 中国航空工业集团公司西安飞机设计研究所 | Air inlet channel wind tunnel test simulation system under shock wave |
| CN114778059A (en) * | 2022-06-22 | 2022-07-22 | 中国飞机强度研究所 | Fragment and shock wave coupling shock test system and method for airplane vulnerability test |
| CN114778059B (en) * | 2022-06-22 | 2022-09-13 | 中国飞机强度研究所 | Fragment and shock wave coupling shock test system and method for airplane vulnerability test |
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