CN105652029B - Explosive charge speed testing system and method - Google Patents
Explosive charge speed testing system and method Download PDFInfo
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- CN105652029B CN105652029B CN201510908469.XA CN201510908469A CN105652029B CN 105652029 B CN105652029 B CN 105652029B CN 201510908469 A CN201510908469 A CN 201510908469A CN 105652029 B CN105652029 B CN 105652029B
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- electromagnetic wave
- enameled wire
- wave signal
- generating means
- explosive charge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of explosive charge speed testing system and methods, and the system structure is simple, measure precisely, easy to make, at low cost and easy to carry.Explosive charge speed testing system, including electromagnetic wave signals receiver, and at least two spaced electromagnetic wave signal generating means that communicate with；The enameled wire that electromagnetic wave signal generating means is mutually wound through one section constitutes circuit, and electromagnetic wave signal generating means is internally provided with power supply, and one layer of film for the two to be isolated is equipped between power supply and enameled wire.
Description
Technical field
The present invention relates to a kind of explosive charge speed testing systems, and in particular to a kind of explosive charge speed testing system and
Method.
Background technology
Explosion velocity is spread speed of the detonation wave in explosive.In the parameter that detonation wave calculates, explosion velocity is currently the only use
The parameter that simpler method can be measured accurately.Relationship between experimental study explosion velocity and explosion condition and powder charge property can
To provide important foundation for the research of mechanism of detonation, explosion product state equation and explosive product quality etc..
There are time-measuring gauge method, primacord method, continuous oscillographic method, flush type pressure probe method using more in the prior art
Deng., it is specified that time-measuring gauge and primacord method measurement explosion velocity of explosive are equally authentic in the explosion velocity bioassay standard of explosive, and only have
Time-measuring gauge method can be used as referee method.But time-measuring gauge method needs connect many cables for propagating telecommunications on explosive
Number, it is unable to wrong and otherwise cannot get test data, according to the difference of time-measuring gauge terminal plate, the usage quantity of a test prod number
It is very limited.And time-measuring gauge need to be used when testing, package unit is cumbersome, inconvenient to carry.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, providing a kind of explosive charge speed testing system,
It is simple in structure, it measures precisely, it is easy to make, at low cost and easy to carry.
The present invention also provides corresponding explosive charge testing methods.
To achieve the above object, the present invention uses following technical proposals：
Explosive charge speed testing system, including electromagnetic wave signals receiver, and communicate at least two between
Every the electromagnetic wave signal generating means of setting；The enameled wire that electromagnetic wave signal generating means is mutually wound through one section constitutes circuit,
Electromagnetic wave signal generating means is internally provided with power supply, and one layer of film for the two to be isolated is equipped between power supply and enameled wire.
The one end of the enameled wire far from electromagnetic wave signal generating means is pointed.
The pointed end of the enameled wire passes through the blasting charge, pointed end to be located at the blasting charge with electromagnetic wave signal generating means
Both sides.
Detonator is equipped in the blasting charge.
Explosive in the blasting charge is bulk explosive.
The electromagnetic wave signals receiver includes microcontroller, reception antenna and display screen, the output end of reception antenna and
The input terminal of display screen is connect with the input terminal of microcontroller and output end respectively.
The electromagnetic wave signals receiver is additionally provided with switching on and shutting down button, removing or reset button and historical data is checked
Button is connect with the input terminal of microcontroller respectively.
The method for testing explosive charge speed using above system, including step：
(1) first enameled wire punctures and passes through the blasting charge so that the first enameled wire mutually wound is embedded in explosive, so
The part that the first enameled wire is pierced by afterwards is cut, and extracts the first film out, and the first electromagnetic wave signal generating means is in off state；
(2) the second electromagnetic wave signal generating means and the second enamel-cover connected to it are set according to the method for step (1)
Line, and write down the distance between the first enameled wire and the second enameled wire D；
(3) it is inserted into detonator in the blasting charge, makes detonator close to the first enameled wire, and the blasting charge set is positioned over peace
All positon；
(4) reception antenna is extracted, switching on and shutting down button, display screen display 0us are pressed, you can start to test, it will with detonator
Explosive initiation, the detonation wave of generation propagate to the position of the first enameled wire so that the first electromagnetic wave generating device is become from open circuit
Access sends out the electromagnetic wave signal of corresponding frequencies by the first power supply power supply, and electromagnetic wave signals receiver receives the signal simultaneously
Record the time T1, then detonation wave propagate to the position of the second enameled wire, similarly record the time T2；
(5) explosive charge speed v is calculated according to formula：V=D/ (T2-T1)。
In the step (1), the blasting charge is punctured and passes through by the pointed end of the first enameled wire, later by the first enameled wire
Pointed end cut.
In the step (2), multiple electromagnetic wave signal generating means and corresponding enameled wire are set gradually, and is write down each
Then it is more to write down electromagnetic wave signals receiver reception successively in step (4) for a adjacent the distance between two enameled wires
The time of a electromagnetic wave signal finally calculates the explosive charge speed v ' between arbitrary neighborhood enameled wire according to formula：V '=D '/
(TN+1-TN), wherein N is the integer more than or equal to 1, TN+1-TNIndicate that detonation wave propagates to the time of the adjacent enameled wire of any two
Difference, D ' indicate the distance between corresponding adjacent enameled wire；It averages finally by all calculated explosive charge speed.
The electromagnetic wave signal frequency that each electromagnetic wave signal generating means is sent out is all different.
Removing can be also pressed after the test or reset button carries out data dump or resets operation, pressed historical data and looked into
See that button checks historical test data.
The operation principle of the present invention：
The pointed end of first enameled wire can easily puncture and pass through the blasting charge so that the first enamel-cover mutually wound
Line is embedded in explosive, and the part for being then pierced by the first enameled wire is cut, and extracts film, the first electromagnetic wave signal generating means out
In off state；The second electromagnetic wave signal generating means and the second enameled wire connected to it is arranged in same method, and
Write down the distance between the first enameled wire and the second enameled wire D；It is inserted into detonator in the blasting charge, makes detonator close to the first enamel-cover
Line, and the blasting charge set is positioned over home；With detonator by explosive initiation, the detonation wave of generation propagates to the first paint
First enameled wire of the position of envelope curve, winding melts or vaporization, and the product in detonation wave wave surface is in high-temperature high-pressure state, electricity
From for positive and negative ion, there is good electric conductivity, thus the first electromagnetic wave signal generating means is made to become access from open circuit, this
When the first power supply power supply, the first electromagnetic wave signal generating means moment sent out the electromagnetic wave signal of certain frequency, electromagnetic wave signal
Reception device receives the signal and the T that records the time1, then detonation wave propagate to the position of the second enameled wire, similarly record the time
T2；Explosive charge speed v is calculated according to formula：V=D/ (T2-T1)。
Enameled wire can be sent out the electromagnetic wave signal of different frequency by the moment that detonation wave is connected, in order to electromagnetic wave signal
Reception device receives and recognizes.Electromagnetic wave signals receiver also has the function of data store and clear.
Beneficial effects of the present invention：
The present invention is improved on the basis of original time-measuring gauge method surveys explosive charge speed, overcomes prior art behaviour
Make cumbersome defect, also, the test system of the present invention does not have to wiring, the usage quantity of probe is unrestricted, and when experiment only needs to make
It is easy to carry with electromagnetic wave signals receiver and electromagnetic wave signal generating means.
Description of the drawings
Fig. 1 is the electromagnetic wave signal generating means scheme of installation of the present invention.
Fig. 2 is the electromagnetic wave signals receiver schematic diagram of the present invention.
Wherein 1 is the first electromagnetic wave signal generating means, and 2 be the first film, and 3 be the first enameled wire, and 4 be the second electromagnetic wave
Signal generation apparatus, 5 be the second film, and 6 be the second enameled wire, and 7 be pointed end, and 8 be the blasting charge, and 9 be detonator, and 10 be reception day
Line, 11 be switching on and shutting down button, and 12 be removing or reset button, and 13 be display screen, and 14 check button for historical data.
Specific implementation mode
The present invention will be further elaborated with reference to the accompanying drawings and examples, it should which explanation, following the description is only
It is not to be defined to its content to explain the present invention.
Embodiment 1：
As depicted in figs. 1 and 2, explosive charge speed testing system of the invention, including electromagnetic wave signals receiver, with
And two spaced electromagnetic wave signal generating means (the first electromagnetic wave signal generating means 1 and the second electricity communicated with
Magnetostatic wave signal generating means 4)；By taking the first electromagnetic wave signal generating means 1 as an example, the first electromagnetic wave signal generating means 1 is through one
The first enameled wire 3 for mutually winding of section constitutes circuit, and the first electromagnetic wave signal generating means 1 is internally provided with the first power supply, and first
One layer of the first film 2 for the two to be isolated is equipped between power supply and the first enameled wire 3.First enameled wire 3 is far from the first electromagnetism
One end of wave signal generation apparatus 1 is pointed, and pointed end 7 passes through the blasting charge 8, and pointed end 7 is filled with the first electromagnetic wave signal
Set 1 both sides for being located at the blasting charge 8.Electromagnetic wave signals receiver includes microcontroller, reception antenna 10 and display screen 13, is connect
The input terminal of the output end and display screen 13 of receiving antenna 10 is connect with the input terminal of microcontroller and output end respectively.Electromagnetic wave signal
Reception device is additionally provided with switching on and shutting down button 11, remove or reset button 12 and historical data check button 14, respectively with list
The input terminal of piece machine connects.Detonator 9 is equipped in the blasting charge 8.Explosive in the blasting charge 8 is bulk explosive.
Similar, the second enameled wire 6 that the second electromagnetic wave signal generating means 4 is mutually wound through one section constitutes circuit, the
Two electromagnetic wave signal generating means 4 are internally provided with second source, between second source and the second enameled wire 6 be equipped with one layer for every
The second film 5 from the two.
The method for testing explosive charge speed using above system, including step：
The pointed end 7 of (1) first enameled wire 3 punctures and passes through the blasting charge 8 so that the first enameled wire 3 mutually wound buries
It is placed in explosive, the part (pointed end 7) for being then pierced by the first enameled wire 3 is cut, and extracts the first film 2, the first electromagnetic wave out
Signal generation apparatus 1 is in off state；
(2) the second electromagnetic wave signal generating means 4 and the second enamel-cover connected to it are set according to the method for step (1)
Line 6, and write down the distance between the first enameled wire 3 and the second enameled wire 6 D；
(3) it is inserted into detonator 9 in the blasting charge 8, makes detonator 9 close to the first enameled wire 3, and the blasting charge 8 set is put
It is placed in home；
(4) reception antenna 10 is extracted, switching on and shutting down button 11 is pressed, 0us is shown on display screen 13, you can starts to test, use
For detonator 9 by explosive initiation, the detonation wave of generation propagates to the position of the first enameled wire 3 so that the first electromagnetic wave generating device 1 by
Open circuit becomes access, by the first power supply power supply, sends out the electromagnetic wave signal of corresponding frequencies, electromagnetic wave signals receiver receives
The signal and the T that records the time1, then detonation wave propagate to the position of the second enameled wire 6, similarly record the time T2；
(5) explosive charge speed v is calculated according to formula：V=D/ (T2-T1)。
Embodiment 2：
A kind of explosive charge speed testing system, multiple (being more than two) the electromagnetic wave signal generating means of setting, and it is corresponding
Corresponding enameled wire etc. is set, remaining is the same as embodiment 1.
The system it is corresponding test explosive charge speed method, basic step with embodiment 1, the difference is that：
Multiple electromagnetic wave signal generating means and corresponding enameled wire are set gradually in step (2), and write down each phase
Then adjacent the distance between two enameled wires write down electromagnetic wave signals receiver in step (4) and receive multiple electricity successively
The time of magnetostatic wave signal finally calculates the explosive charge speed v ' between arbitrary neighborhood enameled wire according to formula：V '=D '/
(TN+1-TN), wherein N is the integer more than or equal to 1, TN+1-TNIndicate that detonation wave propagates to the time of the adjacent enameled wire of any two
Difference, D ' indicate the distance between corresponding adjacent enameled wire；It averages finally by all calculated explosive charge speed.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, based on the technical solutions of the present invention, those skilled in the art, which need not make the creative labor, to be done
The various modifications or changes gone out are still within protection scope of the present invention.
Claims (10)
1. explosive charge speed testing system, which is characterized in that including electromagnetic wave signals receiver, and communicate with to
Few two spaced electromagnetic wave signal generating means；The enamel-cover that each electromagnetic wave signal generating means is mutually wound through one section
Line constitutes circuit, and electromagnetic wave signal generating means is internally provided with power supply, and one layer is equipped between power supply and enameled wire for being isolated two
The film of person.
2. explosive charge speed testing system according to claim 1, which is characterized in that the enameled wire is far from electromagnetic wave
One end of signal generation apparatus is pointed.
3. explosive charge speed testing system according to claim 2, which is characterized in that wear at the pointed end of the enameled wire
The blasting charge is crossed, pointed end is located at the both sides of the blasting charge with electromagnetic wave signal generating means.
4. explosive charge speed testing system according to claim 3, which is characterized in that be equipped with thunder in the blasting charge
Pipe.
5. explosive charge speed testing system according to claim 3 or 4, which is characterized in that fried in the blasting charge
Medicine is bulk explosive.
6. explosive charge speed testing system according to claim 1, which is characterized in that the electromagnetic wave signal receives dress
Set including microcontroller, reception antenna and display screen, the output end of reception antenna and the input terminal of display screen respectively with microcontroller
Input terminal is connected with output end.
7. explosive charge speed testing system according to claim 6, which is characterized in that the electromagnetic wave signal receives dress
Set and be additionally provided with switching on and shutting down button, removing or reset button and historical data checks button, respectively with the input terminal of microcontroller
Connection.
8. utilizing the method for system testing explosive charge speed described in claim 7, which is characterized in that including step：
(1) first enameled wire punctures and passes through the blasting charge so that the first enameled wire mutually wound is embedded in explosive, then will
The part that first enameled wire is pierced by is cut, and extracts the first film out, and the first electromagnetic wave signal generating means is in off state；
(2) the second electromagnetic wave signal generating means and the second enameled wire connected to it are set according to the method for step (1), and
Write down the distance between the first enameled wire and the second enameled wire D；
(3) it is inserted into detonator in the blasting charge, makes detonator close to the first enameled wire, and the blasting charge set is positioned over security bit
It sets；
(4) reception antenna is extracted, presses switching on and shutting down button, 0 μ s of display screen display, you can start to test, with detonator by explosive
It ignites, the detonation wave of generation propagates to the position of the first enameled wire so that the first electromagnetic wave generating device becomes access from open circuit,
By the first power supply power supply, the electromagnetic wave signal of corresponding frequencies is sent out, electromagnetic wave signals receiver receives the signal and writes down
Time T1, then detonation wave propagate to the position of the second enameled wire, similarly record the time T2；
(5) explosive charge speed v is calculated according to formula：V=D/ (T2-T1)。
9. according to the method described in claim 8, it is characterized in that, in the step (1), pass through the pointed end of the first enameled wire
The blasting charge is punctured and passed through, later cuts the pointed end of the first enameled wire.
10. according to the method described in claim 8, it is characterized in that, in the step (2), multiple electromagnetic wave letters are set gradually
Number generating means and corresponding enameled wire, and each adjacent the distance between two enameled wires are write down, then in step (4)
In write down the time that electromagnetic wave signals receiver receives multiple electromagnetic wave signals successively, finally according to formula calculate arbitrary neighborhood
Explosive charge speed v ' between enameled wire：V '=D '/(TN+1-TN), wherein N is the integer more than or equal to 1, TN+1-TNIndicate quick-fried
Hong wave propagates to the time difference of the adjacent enameled wire of any two, and D ' indicates the distance between corresponding adjacent enameled wire；Finally lead to
All calculated explosive charge speed are crossed to average.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510908469.XA CN105652029B (en) | 2015-12-08 | 2015-12-08 | Explosive charge speed testing system and method |
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|---|---|---|---|
| CN201510908469.XA CN105652029B (en) | 2015-12-08 | 2015-12-08 | Explosive charge speed testing system and method |
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| CN105652029A CN105652029A (en) | 2016-06-08 |
| CN105652029B true CN105652029B (en) | 2018-11-06 |
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| CN106950396B (en) * | 2017-05-08 | 2020-01-14 | 西安交通大学 | Speed measurement method for driving flyer of exploding foil initiator |
| CN108088406B (en) * | 2018-01-09 | 2019-09-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of shock wave tests the speed with effective distance measurement method between pressure sensor |
| CN108956932A (en) * | 2018-07-12 | 2018-12-07 | 宏大爆破有限公司 | A kind of continuous measurement explosion velocity device and method |
| CN112505347B (en) * | 2020-12-11 | 2023-06-09 | 西安近代化学研究所 | Viscous flow explosive detonation velocity testing method |
| CN114460222B (en) * | 2022-01-28 | 2023-11-17 | 青海青乐化工机械有限责任公司 | Smoke generating time testing device of smoke generating tank |
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