CN102927862B - Method for rapidly measuring detonator delay precision - Google Patents
Method for rapidly measuring detonator delay precision Download PDFInfo
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- CN102927862B CN102927862B CN201210413026.XA CN201210413026A CN102927862B CN 102927862 B CN102927862 B CN 102927862B CN 201210413026 A CN201210413026 A CN 201210413026A CN 102927862 B CN102927862 B CN 102927862B
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- detonator
- time
- property
- actual measurement
- blasting
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Abstract
The present invention discloses a kind of test method of rapid survey detonator delay precision,Specifically under: 1) the i to be measured different other detonators of section being arranged in using Property of Blasting Noise recorder as on the same circumference in the center of circle; 2) detonate above-mentioned i detonator simultaneously,Record the Property of Blasting Noise waveform of i detonator; 3) determining actual measurement extension time ti: determining the actual measurement extension time difference Ti1 of each detonator and the 1st hair detonator according to the Property of Blasting Noise waveform that explosion recorder records,Actual measurement extension time difference Ti1 is the difference for the peak time t1 ' that the peak time ti ' of the i-th hair detonator on the waveform of Property of Blasting Noise recorder record sends out detonator with the 1st,That is actual measurement extension time difference Ti1=ti '-t1 ',Then survey delay the time be determined as
Wherein
For the nominal extension time of the 1st hair detonator. 4) it is poor to calculate the i-th hair detonator actual measurement accuracy delay time
,
For the nominal extension time of the i-th hair detonator.
Description
Technical field
A kind of method that the present invention relates to Quick Measurement detonator delay precision, belongs to blasting technique field, delay precision that especially can Quick Measurement detonator.
Background technology
In engineering explosion, millisecond delay cap (digital electric detonator, electric cap, Nonel detonator etc.) is widely used in Millisecond Controlled Blasting.When the effect of vibration that explosive blasting produces in its surrounding medium when the last period not yet disappears, rear one section of explosive starts explosion, will produce so vibration superposition phenomenon.If section other or defer time of detonator is set rightly, the seismic wave phase mutual interference that before and after making, repeatedly blast produces or blasting vibration are complete independently separately can weaken the blasting vibration effect of explosive, thereby reaches the object of controlled blasting vibration.Therefore, delay precision problem is the key that short-delay blasting is realized, and the height of detonator delay precision directly has influence on effect and the safety of explosion.
Aspect the test of detonator delay precision, the method for testing that used is used mainly contains break-make method and instrumentation method.The advantage of break-make method is can blasting circuit of disposable measurement or multiple detonator, and it is large that shortcoming is to test preparation amount, and efficiency is lower.It is convenient that the advantage of instrumentation method is, shortcoming is to measure the delay time of single-shot detonator, and can not a blasting circuit of disposable measurement or the delay time of multiple detonator.
Summary of the invention
The object of the invention is the deficiency in order to overcome used test detonator delay precision method, utilize Property of Blasting Noise recorder to design a kind of method of Quick Measurement detonator delay precision, the delay precision of a blasting circuit of quick and disposable measurement or multiple detonator.
The technical solution adopted in the present invention: the present invention utilizes Property of Blasting Noise recorder to record the noise waveform of detonator in the time detonating, and determines the method for detonator delay time by analytical calculation, is specially:
1) i to be measured different other detonators of section are arranged on the same circumference taking Property of Blasting Noise recorder as the center of circle;
2) the above-mentioned i detonator that simultaneously detonates, records the Property of Blasting Noise waveform of i detonator;
3) determine actual measurement defer time t
i: the poor T of actual measurement defer time that determines each detonator and the 1st detonator according to the Property of Blasting Noise waveform of explosion recorder record
i1, the poor T of actual measurement defer time
i1for i on Property of Blasting Noise recorder waveform sends out the crest time t of detonator
i' with the crest time t of the 1st detonator
1' poor, survey the poor T of defer time
i1=t
i'-t
1', survey defer time and be defined as
wherein
it is the nominal defer time of the 1st detonator;
4) it is poor that calculating i sends out detonator actual measurement accuracy delay time
,
it is the nominal defer time that i sends out detonator.
Beneficial effect of the present invention: the present invention utilizes Property of Blasting Noise recorder strictly to arrange the relative position of detonator and Property of Blasting Noise recorder, by recording the Property of Blasting Noise waveform of detonator, analyze the Blast waveform of blasting circuit, calculate the defer time of detonator in blasting circuit, thereby draw the delay precision of detonator.This method of testing of the present invention has overcome the deficiency of past measurement detonator delay precision effectively, not only test convenient fast, and blasting circuit of a performance measurement or multiple detonator, efficiency is high.
Brief description of the drawings
Fig. 1 is the layout orientation schematic diagram of the front detonator of detonator delay precision test of the present invention and Property of Blasting Noise recorder.
Fig. 2 is the Property of Blasting Noise oscillogram of Property of Blasting Noise recorder record of the present invention.Draw the defer time of each detonator for analytical calculation, thereby draw the delay precision of each detonator.
Fig. 3 is Property of Blasting Noise recorder control flow chart.
Detailed description of the invention
The method of a kind of Quick Measurement detonator delay precision of the present invention is to utilize Property of Blasting Noise recorder to record the noise waveform of detonator in the time detonating, and obtains the method for detonator delay time by analytical calculation, is specially:
1) i to be measured different other detonators of section are arranged on the same circumference taking Property of Blasting Noise recorder as the center of circle;
2) the above-mentioned i detonator that simultaneously detonates, records the Property of Blasting Noise waveform of i detonator;
3) determine actual measurement defer time t
i: the poor T of actual measurement defer time that determines each detonator and the 1st detonator according to the Property of Blasting Noise waveform of explosion recorder record
i1, the poor T of actual measurement defer time
i1for i on Property of Blasting Noise recorder waveform sends out the crest time t of detonator
i' with the defer time t of the 1st detonator
1' poor, survey the poor T of defer time
i1=t
i'-t
1', survey defer time and be defined as
wherein
it is the nominal defer time of the 1st detonator;
4) it is poor that calculating i sends out detonator actual measurement accuracy delay time
,
it is the nominal defer time that i sends out detonator.
Fig. 1 is the layout orientation schematic diagram of the front detonator of detonator delay precision test of the present invention and Property of Blasting Noise recorder:
Each detonator of detonator to be measured or blasting circuit must be arranged on the circle or circular arc taking Property of Blasting Noise recorder as the center of circle, can eliminate like this propagation time impact of Property of Blasting Noise from blasting cap initiation to Property of Blasting Noise recorder place.After detonating, Property of Blasting Noise recorder records the noise waveform of detonator, draws the defer time of each detonator after analytical calculation, thereby obtains the delay precision of detonator.
Fig. 2 is the Property of Blasting Noise oscillogram of Property of Blasting Noise recorder record of the present invention, and Fig. 3 is Property of Blasting Noise recorder control flow chart:
It in figure, is the Blast waveform that after detonating, Property of Blasting Noise recorder can be recorded to detonator, corresponding each detonator of each periodic wave, suppose Property of Blasting Noise recorder be recorded to detonator 1, detonator 2 ..., detonator i, the crest time of corresponding Blast waveform is respectively hypothesis by analyzing the noise waveform of Property of Blasting Noise recorder separately, determines that the time to peak of the corresponding waveform of each detonator is respectively t
1', t
2', t
3', t
4' ..., t
i', because every detonator is identical to the propagation time at explosion recorder place from detonating, in so corresponding blasting circuit the the 2nd, the 3rd, the 4th ..., i sends out defer time poor the be respectively T of detonator with respect to first detonator
21, T
31, T
41..., T
i1, in corresponding blasting circuit the 2nd, the 3rd, the 4th ... i sends out the poor T of being respectively of defer time of detonator
21=t
2'-t
1', T
31=t
3'-t
1', T
41=t
4'-t
1' ..., T
i1=t
i'-t
1'.
The defer time of each detonator is poor determine after, the actual measurement defer time of each detonator is defined as
wherein
it is the nominal defer time of the 1st detonator.
Thereby calculate the delay precision that draws each detonator by error: it is poor that calculating i sends out detonator actual measurement accuracy delay time
,
it is the nominal defer time that i sends out detonator.
Above-mentioned all chronomeres are milliseconds.
In reality test, the orientation of detonator and Property of Blasting Noise recorder is furnished with strict requirement.Burst time of recording detonator due to Property of Blasting Noise recorder has comprised noise and has propagated into from blasting cap initiation the time at Property of Blasting Noise recorder place, in order to eliminate the impact of this time on measuring accuracy, detonator to be measured must be arranged on the circle or circular arc taking Property of Blasting Noise recorder as the center of circle, and each detonator to be measured time from explosion to enrollment is all identical so.As Fig. 1, each detonator to be measured is arranged on the circle or circular arc taking Property of Blasting Noise recorder as the center of circle, and to ensure after blasting cap initiation to be measured, noise propagates into the time at Property of Blasting Noise recorder place from detonating identical.
Embodiment 1:
Taking Nonel detonator as example, arrange the position of detonator and explosion recorder by the mode of Fig. 1, suppose the poor T of actual measurement defer time of detonator
i1as shown in table 1, so the actual measurement defer time of detonator is in contrast to self nominal defer time of each detonator, calculating can show that the detailed result of calculation of delay time error precision of each detonator is as shown in table 1.
1 actual test implementation example of detonator delay time
Claims (1)
1. a method of testing for Quick Measurement detonator delay precision,
1) i to be measured different other detonators of section are arranged on the same circumference taking Property of Blasting Noise recorder as the center of circle;
2) the above-mentioned i detonator that simultaneously detonates, records the Property of Blasting Noise waveform of i detonator;
3) determine actual measurement defer time t
i: the poor T of actual measurement defer time that determines each detonator and the 1st detonator according to the Property of Blasting Noise waveform of explosion recorder record
i1, the poor T of actual measurement defer time
i1for i on the waveform of Property of Blasting Noise recorder record sends out the crest time t of detonator
i' with the crest time t of the 1st detonator
1' poor, survey the poor T of defer time
i1=t
i'-t
1', survey defer time and be defined as
wherein
it is the nominal defer time of the 1st detonator;
4) it is poor that calculating i sends out detonator actual measurement accuracy delay time
,
it is the nominal defer time that i sends out detonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413026.XA CN102927862B (en) | 2012-10-25 | 2012-10-25 | Method for rapidly measuring detonator delay precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210413026.XA CN102927862B (en) | 2012-10-25 | 2012-10-25 | Method for rapidly measuring detonator delay precision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927862A CN102927862A (en) | 2013-02-13 |
| CN102927862B true CN102927862B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210413026.XA Expired - Fee Related CN102927862B (en) | 2012-10-25 | 2012-10-25 | Method for rapidly measuring detonator delay precision |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236404B (en) * | 2014-09-16 | 2016-03-02 | 武汉大学 | A kind of method of the fast-field evaluation millisecond detonator delay precision based on blasting vibration measurement |
| CN104197795B (en) * | 2014-09-16 | 2016-08-17 | 武汉大学 | A kind of on-the-spot detonator delay precision method of testing based on the test of explosion acoustic pressure |
| CN114323114A (en) * | 2021-10-31 | 2022-04-12 | 中国能源建设集团广西水电工程局有限公司 | Test method for single face rock plug blasting equipment test |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388521A (en) * | 1993-10-18 | 1995-02-14 | Coursen Family Trust | Method of reducing ground vibration from delay blasting |
| CN102506622A (en) * | 2011-11-02 | 2012-06-20 | 中铁隧道集团有限公司 | Full-face blasting vibration control construction method for tunnel electronic millisecond electric detonator |
-
2012
- 2012-10-25 CN CN201210413026.XA patent/CN102927862B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388521A (en) * | 1993-10-18 | 1995-02-14 | Coursen Family Trust | Method of reducing ground vibration from delay blasting |
| CN102506622A (en) * | 2011-11-02 | 2012-06-20 | 中铁隧道集团有限公司 | Full-face blasting vibration control construction method for tunnel electronic millisecond electric detonator |
Non-Patent Citations (8)
| Title |
|---|
| 《工业雷管延期时间分段测时系统的研究》;周富强 等;《火工品》;20120630(第3期);第17-20页 * |
| 《毫秒雷管延时精度的判别指标》;徐天瑞;《有色金属》;19810228;第33卷(第1期);第23-28页 * |
| 《爆破振动法测导爆管雷管延期时间》;刘翼 等;《爆破器材》;20060228;第35卷(第1期);第15页第1、2栏，第17页第1栏，图1，表1 * |
| 《雷管自动延期时间测量系统的自行设计》;雷京荣 等;《煤矿爆破》;20060630(第2期);第10页第2-9行 * |
| 刘翼 等.《爆破振动法测导爆管雷管延期时间》.《爆破器材》.2006,第35卷(第1期), * |
| 周富强 等.《工业雷管延期时间分段测时系统的研究》.《火工品》.2012,(第3期), * |
| 徐天瑞.《毫秒雷管延时精度的判别指标》.《有色金属》.1981,第33卷(第1期), * |
| 雷京荣 等.《雷管自动延期时间测量系统的自行设计》.《煤矿爆破》.2006,(第2期), * |
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