CN1116596C - shock wave pressure testing device - Google Patents
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- CN1116596C CN1116596C CN 98124003 CN98124003A CN1116596C CN 1116596 C CN1116596 C CN 1116596C CN 98124003 CN98124003 CN 98124003 CN 98124003 A CN98124003 A CN 98124003A CN 1116596 C CN1116596 C CN 1116596C
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Abstract
The invention provides a shock wave pressure testing device which comprises a storage tester, a remote controller and a testing program. The storage tester integrates a sensor, a test circuit, an interface and a battery, the test circuit, the interface and the battery are sealed in a stainless steel shell, the sensor is fixedly connected with the shell, and the interface of the storage tester is connected with a parallel printing port of a microcomputer. During testing, the storage tester is placed in an explosion field, the remote controller controls the storage tester to work, and after the testing is finished, the storage tester is recovered, and the microcomputer and the testing program process the testing data. The testing device can also be used for testing the speed of the shock wave and the pressure of liquid and gas in the sealed container, the stress of the mechanical piston, the temperature and the like.
Description
The invention belongs to the explosion wave field tests, be specifically related to a kind of explosion wave pressure test device.
The shock wave pressure test is an important means estimating explosive property and weapon brisance.The explosion wave pressure test device has important use and is worth at aspects such as weapon test, civil blast, the assessments of accidental explosion disaster.The proving installation of widespread use now is to adopt " piezoelectric pressure indicator-charge amplifier-transient signal registering instrument-microcomputer " to constitute test macro.In this proving installation, pressure transducer places the explosion scene, test record treatment facilities such as charge amplifier, transient signal registering instrument and microcomputer then place the test job chamber, explosion wave acts on the charge signal that pressure transducer produces need be by the testing tool of long cable transmission to the test job chamber, after being converted into voltage signal with charge signal, charge amplifier carries out data acquisition and stored record, the last test analysis processing of carrying out data waveform again by microcomputer by the transient signal registering instrument.Adopt this device, because sensor need be undertaken by long cable to the transmission of the signal between the charge amplifier, shock wave acts on signal-transmitting cable can cause interference because of " cable effect " generation spurious signal is superimposed upon in the measured signal, the distributed capacitance of cable directly influences the high frequency characteristics of test macro and introduces noise, and transmission cable subjects to the destruction of shock wave; Be the protection cable, the connection of cable and lay the technological requirement height; Because testing apparatuss such as the pressure transducer of composition test macro, charge amplifier, transient signal registering instrument are separated each other, must calibrate respectively and demarcate before the test to determine the calibration coefficient of test macro; The equipment of test macro is many, volume big, carry inconvenience, be subjected to the viability of field test conditionality, anti-electromagnetic interference (EMI) and adverse environment resistant poor; During multi-point sampler, cable distribution is loaded down with trivial details, workload is big, testing efficiency is low, poor reliability.
The object of the present invention is to provide a kind of explosion wave pressure test device.
Adopt impact wave pressure measurer of the present invention, can realize nothing lead-in wire (not cabling) on-the-spot real-time testing of blast impulse wave pressure easily and quickly, and dwindle the test macro volume, simplify calibration, test operation program, improve adaptive faculty and reliability and stability requirement that test macro is worked under explosion environment and field condition, improve the confidence level of measuring accuracy and test data.
Impact wave pressure measurer of the present invention is actually test macro, mainly comprises storage tester part, telepilot part, microcomputer and test procedure part.
Storage tester part, this part contains sensor, test circuit, interface, battery, and sensor and housing are fastenedly connected, and sensor is both as the sensing element of shock wave pressure signal, again as the receiving antenna of telepilot receiver; Test circuit becomes a test module with signal adapter, analog to digital converter, data-carrier store, address generator, address latch, data reading controller, data converter, power cutoff protector, signal trigger, preset conuter, power-supply controller of electric, collection memory controller, receiver of remote-control sytem, the integrated micro of clock generator; Interface can directly be connected with the LPTx ports of microcomputer, reads test data in the storer by the microsystem programmed control; Battery is a rechargeable battery, and power-supply controller of electric can carry out fast automatic charging control to battery.Test circuit module, interface and battery place the closed housing internal fixation.
The telepilot part, it is a hand-held external trigger synchronizing signal telechiric device, surface distributed has start key, reset key, triggering key, stop key, triggering selection switch, synchronous triggering input seat, emission pilot lamp, emitting antenna.Adopt ultrahigh frequency radiodigital encrypted transmission technology, in order to realize the external trigger remote control control of storage tester, make the storage tester can be synchronous with external time reference.
Microcomputer and test procedure, in order to realize that the storage tester is with the data communication of microcomputer and the automatic test processes of data waveform, this program is modular design, pop-up menu, cursor operations, can carry out feature operations such as parameter setting, parameter testing, data read, waveform drawing, calculation of parameter, file management.
During test, the storage tester is fixed on test point in the explosion wave pressure field by support, the on-the-spot shock wave pressure-time waveform that directly writes down is finished the functions such as conversion, collection, quantification, storage of shock wave pressure signal in real time; After the off-test, reclaim the storage tester, by microcomputer and test procedure the data waveform of its storage is carried out analyzing and processing automatically such as dump, reproduction, test, printing through interface.
Impact wave pressure measurer of the present invention establishes one's own system, can directly be deep into explosion scene shock wave pressure waveform and store test, need not test cable and external power source, the adaptability of field test is strong, reliability, credibility and the measuring accuracy height of test, during multi-point sampler each storage tester separate, be independent of each other, test macro demarcates that calibration is simple, on-the-spot test is implemented easily, cost performance is high.Owing to adopted the stored digital recording technique, can intactly write down the pressure-time waveform of explosion wave; The storage tester carries interface, and its storage data can directly be transferred by the LPTx ports of microcomputer and be read, and by the automatic test processes shock wave pressure of test procedure waveform character parameter, draw the pressure-time curve, the printing test data.
Be further described below in conjunction with accompanying drawing.
Fig. 1 is the impact wave pressure measurer system principle diagram
Fig. 2 is storage tester structure synoptic diagram
Fig. 3 is the test procedure FB(flow block)
Fig. 4 is the telepilot outside drawing
Fig. 5 is the shock wave pressure oscillogram
Principle of work of the present invention as can be seen from Fig. 1 impact wave pressure measurer system principle diagram.
Pressure transducer 1 in the storage tester of impact wave pressure measurer of the present invention is a piezoelectric pressure indicator, and the shock wave pressure signal is converted into charge signal; Signal adapter 2 is converted into voltage signal with the charge signal of sensor output, and realizes the switching of testing range; 3 pairs of Wave data collections of analog to digital converter quantize; Data-carrier store 4 stored record data waveforms; Address generator 5 produces the read/write address of data-carrier store; Address latch 6 latchs the first address of record data waveform; The recovery of data reading controller 7 control datas is read; Data converter 8 is used for the conversion output of data; The data that write down in 9 pairs of storage testers of power cutoff protector are carried out power down protection; Signal trigger 10 is realized the triggering control of signal; The pre-trigger delay time of 11 pairs of test signals of preset conuter counts; The electrical source consumption of power-supply controller of electric 12 control and management test circuits; Gathering memory controller 13 is control centers of test macro, the co-ordination of control each several part; Base when clock generator 17 provides system works; Input, output interface that I/O interface 14 carries out communication for the storage tester with microcomputer, data communication is to carry out under the control of test procedure; Microcomputer 15 is used for the storage data of storage tester are reclaimed reproduction and analyzing and processing; Battery 16 provides working power for the storage tester; Remote control transmitter 19 sends the wireless remote control instruction, and the storage tester is implemented straighforward operation; Receiver of remote-control sytem 18 is used to receive the radio command of remote control transmitter 19, and converts the steering order of storage tester to.
The pressure signal of pressure transducer 1 output is input to signal adapter 2 to carry out being divided into two paths of signals after the Signal Pretreatment, and one road signal carries out analog to digital conversion to analog to digital converter 3, and the data after the quantification output to data-carrier store 4 and store; Signal adapter 2 another road signals output to signal trigger 10; The output signal of data reading controller 7, power cutoff protector 9, signal trigger 10, preset conuter 11, power-supply controller of electric 12, receiver of remote-control sytem 18, clock generator 17 is connected to gathers memory controller 13; Gather memory controller 13 simultaneously and export control signal again respectively and be connected to analog to digital converter 3, data-carrier store 4, address generator 5, address latch 6, data converter 8, power cutoff protector 9, signal trigger 10, preset conuter 11 and power-supply controller of electric 12, its function corresponding is controlled; The output of battery 16 is connected to power-supply controller of electric 12; Data converter 8 is linked I/O interface 14, and I/O interface 14 joins to carry out data communication with microcomputer 15 simultaneously, and its output control signal is linked data reading controller 7 again.The output of address latch 6 links to each other with address generator 5, and data-carrier store 4 and address latch 6 are linked in the output of address generator 5 respectively, the output data of data-carrier store 4 is linked data converter 8, and the output data of analog to digital converter 3 is linked data-carrier store 4.
Fig. 2 is storage tester structure synoptic diagram.Shock wave pressure storage tester is a garden cylindricality proving installation, and shell comprises housing 24, front end end cover 25, rear end cap 23 3 parts by stainless steel or other metals and alloy making.Sensor 21, and is connected with test circuit 22 by being threaded on the front end end cover 25 by sensor mounting hole 20; Test circuit 22 is connected with interface 14 with power supply 16 respectively, and is connected with front end end cover 25 by fixed support; Front end end cover 25 and rear end cap 23 by being threaded, form the enclosed construction system with housing 24.
Fig. 3 is the test procedure FB(flow block).Test procedure adopts the programming of Borland C Plus Plus, Chinese Windows working environment, modular design, graphical interfaces, pop-up menu, cursor operations.Behind the program start, enter shock wave test master menu through initialization, execution parameter is provided with subroutine, can the test parameter of storage tester be provided with and revise, and test parameter is stored in the memory storage of test procedure, after this subroutine executes, change the data read subroutine over to.During reading of data, first address storage data that the first address signal output apparatus reads in test waveform of reading by test procedure at first, and be stored in the first address memory storage of test procedure; Reading data signal output unit by test procedure reads in the storage data again, generates simultaneously in the data storage device that data file is stored in test procedure, changes the file management subroutine then over to.Management can be filed, call to the file management subroutine to file, after file calls, carry out waveform drawing subroutine, can draw that demonstrations, waveform convergent-divergent, coordinate quantize, the waveform recovery operation, can enter calculation of parameter and parameter testing subroutine after the waveform drawing the test data waveform.But calculation of parameter subroutine shock wave pressure carries out Theoretical Calculation, and computational data is stored in the data storage device of test procedure; But parameter testing subroutine shock wave pressure characteristic parameter is tested automatically, and test data is stored in the data storage device of test procedure, and result of calculation and test result are generated test report.After these two subroutines are finished, can utilize the data presentation device of test procedure on computer screen, to show calculating, test result, and the printing test Wave data.Parameter setting, parameter testing, data read, waveform drawing, calculation of parameter, six separate operations of program module of file management, a subroutine can be called another subroutine when operation, all can enter the program master menu after each subroutine executes.Program design has effectively utilized Chinese Windows visual windows, and short and sweet, travelling speed is fast, and transplantability is good.
Fig. 4 is the telepilot outside drawing.Telepilot is a hand-held external trigger synchronizing signal emission output unit, its shell 26 is a square shell, surface distributed have start 28, reset 29, trigger 32, stop 33 4 function keys and triggering selection switch 30, synchronous triggering input 31, emission indication 27, emitting antenna 34.Do the time spent when the function corresponding key, pilot lamp 27 is with regard to luminous indication.Triggering selection switch 30 is used to select triggering mode, and synchronous triggering signal is by 31 inputs of synchronous triggering input seat.Telepilot is realized the external trigger synchro control of storage tester, can carry out the time connection constantly with detonating of explosive test, with the travel time curve of record shock wave, thereby carries out the shock Wave velocity test.
During test, if select the synchronous triggering mode, storage tester power switch, system reset, trigger recording are all finished by telepilot.After the storage tester resetted, test circuit was in signal duty to be triggered, and the analog to digital converter continuous acquisition quantizes, data-carrier store circulation stored record.After the triggering control signal reaches; control triggers preset conuter 11 work; controlling analog to digital converter 3, data-carrier store 4, address generator 5 behind the full predetermined counting of its meter immediately quits work; and latch the data address of record when stopping by address latch 6; the power supply of all devices that have nothing to do with reading of data in the control power-supply controller of electric 12 truncation test circuit; power cutoff protector 9 makes the storage tester be in the low power consumption data preservation state, and data storer 4 is implemented power down protection.During data collection, open the rear end cap 23 of storage tester, interface 14 is connected on the LPTx ports of microcomputer, under test procedure control, carry out test data and handle by microcomputer.Data are at first wanted the first address of reading and recording signal when reclaiming, reading and recording Wave data successively again, and the storage data are exported by data converter 8.If select triggering mode, just trigger pip is produced by the shock wave pressure signal, and system work process is the same with the synchronous triggering mode.
Embodiment
Fig. 5 is the shock wave pressure-time waveform recording curve during the TNT explosive charge in the air.Explosive TNT equivalent be 160g (size of powder charge is φ 50 * 25mm), quick-fried high 1m, test point is apart from quick-fried heart 1m, the storage tester is fixed on the special stand (playing a supportive role) of test point.Before the test, detect the duty of test macro earlier, press the start key and the reset key of telepilot, if the triggering pilot lamp of telepilot and storage tester working station indicator bright (need open storage tester rear end cap during detection) illustrate that test macro is working properly.During test, calculate the test pressure scope, storage tester test parameter is set, make the storage tester be operated in signal duty to be triggered by test procedure.Explosion wave signal one arrives, and the storage tester triggers stored record explosion wave waveform automatically.After having tested, fetch the storage tester, reappear wave recording by microcomputer, and carry out parameter testing of shock wave pressure waveform character and data processing, printing test waveform and data.If will test shock motion speed, only need accurately to measure test point to the distance of the quick-fried heart and synchronous triggering time delay, both are divided by and are shock motion speed.
Impact wave pressure measurer of the present invention establishes one's own system, and carries communication interface, and test macro is soft, the hardware integration design, can realize that shock wave pressure does not have lead-in wire storage test, simplifies calibration, test job program.The whole integrated encapsulation of test circuit, the metal shell closed shield, adverse environment resistant, anti-electromagnetic interference (EMI), the testing reliability height, the field work adaptive faculty is strong.Impact wave pressure measurer not only is used for aerial and test of water shooting shock wave pressure and shock velocity test, also can be used for the liquids and gases pressure test in the container, pipeline and the forces testing of mechanical piston motion, change the storage test that sensors of various types also can be used for temperature or other parameter.
If the microcomputer notebook type microcomputer that the present invention adopts then can constitute portable test macro.
Claims (5)
1. an impact wave pressure measurer is characterized in that comprising storage tester part, telepilot part, microcomputer and test procedure part; The sensor (21) of storage tester part is fixed on the sensor mounting hole (20) of front end end cover (25), and connects with test circuit 22; Test circuit (22) is connected with interface (14), battery (16) respectively, and is connected with front end end cover (25) by fixed support; Front end end cover (25) and rear end cap (23) are fastenedly connected with housing (24), form closed system; Telepilot partly adopts hand-held external trigger synchronizing signal remote-controlled launcher.
2. a kind of impact wave pressure measurer according to claim 1, the test circuit (22) that it is characterized in that storing tester comprising: the pressure signal of pressure transducer (1) output is input to signal adapter (2) to carry out being divided into two paths of signals after the Signal Pretreatment, one road signal carries out analog to digital conversion to analog to digital converter (3), and the data after the quantification output to data-carrier store (4) and store; Another road signal of signal adapter (2) outputs to signal trigger (10); The output signal of data reading controller (7), power cutoff protector (9), signal trigger (10), preset conuter (11), power-supply controller of electric (12), receiver of remote-control sytem (18), clock generator (17) is connected to gathers memory controller (13); Gather memory controller (13) simultaneously and export control signal again respectively and be connected to analog to digital converter (3), data-carrier store (4), address generator (5), address latch (6), data converter (8), power cutoff protector (9), signal trigger (10), preset conuter (11) and power-supply controller of electric (12), its function corresponding is controlled; The output of battery (16) is connected to power-supply controller of electric (12); Data converter (8) is linked I/O interface (14), and I/O interface (14) joins to carry out data communication with microcomputer (15) simultaneously, and its output control signal is linked data reading controller (7) again; The output of address latch (6) links to each other with address generator (5), and data-carrier store (4) and address latch (6) are linked in the output of address generator (5) respectively, the output data of data-carrier store (4) is linked data converter (8), and the output data of analog to digital converter (3) is linked data-carrier store (4).
3. a kind of impact wave pressure measurer according to claim 1 is characterized in that being installed on the storage tester as the sensor (21) of the receiving antenna of the sensing element of shock wave pressure signal and receiver of remote-control sytem (18).
4. a kind of impact wave pressure measurer according to claim 1 is characterized in that battery (16) is a rechargeable battery.
5. the microcomputer LPTx ports that adopts a kind of impact wave pressure measurer according to claim 1, its test procedure reclaims the test data in the storage tester, it is characterized in that test procedure also comprises:
What (1) be used for reading storage tester test data first address reads the first address signal output apparatus;
(2) be used for storing the address storing apparatus of storing tester test data first address;
(3) be used for reading the reading data signal output unit of storing the tester test data;
(4) be used for storing the data-storing device of storing the tester test data;
(5) be used to store the data-storing device of storing the tester test parameter;
(6) be used to store the data-storing device of result of calculation;
(7) be used to store the data-storing device of test result;
(8) be used to show test waveform result's data presentation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124003 CN1116596C (en) | 1998-12-14 | 1998-12-14 | shock wave pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98124003 CN1116596C (en) | 1998-12-14 | 1998-12-14 | shock wave pressure testing device |
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| Publication Number | Publication Date |
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| CN1227917A CN1227917A (en) | 1999-09-08 |
| CN1116596C true CN1116596C (en) | 2003-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 98124003 Expired - Fee Related CN1116596C (en) | 1998-12-14 | 1998-12-14 | shock wave pressure testing device |
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| CN (1) | CN1116596C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100523807C (en) * | 2005-06-03 | 2009-08-05 | 中国科学院力学研究所 | Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure |
| CN108692851A (en) * | 2018-06-08 | 2018-10-23 | 成都泰测科技有限公司 | Detection part based on shock wave feature |
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| CN100354619C (en) * | 2004-12-08 | 2007-12-12 | 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 |
| CN102879144A (en) * | 2012-10-09 | 2013-01-16 | 常州大学 | Method and device for measuring hyperpressure of flammable gas explosion shock waves |
| CN103499410B (en) * | 2013-10-21 | 2015-05-20 | 中国人民解放军第三军医大学第三附属医院 | Embedded craniocerebral blast shock wave dynamic monitoring device and method |
| CN103776575B (en) * | 2014-01-26 | 2016-03-23 | 安徽理工大学 | Callable detecting earth stress device |
| CN104501942B (en) * | 2014-12-25 | 2018-09-28 | 成都泰测科技有限公司 | A kind of blast impulse wave measuring apparatus |
| CN104990667B (en) * | 2015-06-23 | 2017-07-04 | 西安近代化学研究所 | A kind of shock wave pressure for shock tube calibration tests mounting structure |
| CN105865708B (en) * | 2016-05-19 | 2018-12-11 | 西安近代化学研究所 | A kind of shock wave pressure test structure near field of exploding |
| CN105928809B (en) * | 2016-07-07 | 2019-03-08 | 广东宏大增化民爆有限责任公司 | Inner tube speed of expansion measuring device and measuring method when metal tube Explosion composite |
| CN107329089B (en) * | 2017-05-25 | 2021-03-02 | 中国电力科学研究院 | Method and device for evaluating explosion propagation influence of rigid packaging lithium ion battery |
| CN109724732A (en) * | 2018-12-12 | 2019-05-07 | 西安近代化学研究所 | A kind of explosion wave pressure effect target of depth automatic measurement |
| CN110031141A (en) * | 2019-05-23 | 2019-07-19 | 中煤科工集团重庆研究院有限公司 | Explosion shock wave detector |
| CN110595661A (en) * | 2019-08-27 | 2019-12-20 | 南京理工大学 | Wireless acquisition device for explosion free field shock wave test |
| CN110672241B (en) * | 2019-09-02 | 2022-03-22 | 南京理工大学 | Shock wave pressure sensor |
| CN114812902B (en) * | 2022-04-27 | 2023-02-21 | 北京理工大学 | Punching type explosion shock wave impulse tester and layout method thereof |
-
1998
- 1998-12-14 CN CN 98124003 patent/CN1116596C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100523807C (en) * | 2005-06-03 | 2009-08-05 | 中国科学院力学研究所 | Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure |
| CN108692851A (en) * | 2018-06-08 | 2018-10-23 | 成都泰测科技有限公司 | Detection part based on shock wave feature |
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| Publication number | Publication date |
|---|---|
| CN1227917A (en) | 1999-09-08 |
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