CN104764899B - A kind of explosion velocity of explosive method of testing - Google Patents
A kind of explosion velocity of explosive method of testing Download PDFInfo
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- CN104764899B CN104764899B CN201510128656.6A CN201510128656A CN104764899B CN 104764899 B CN104764899 B CN 104764899B CN 201510128656 A CN201510128656 A CN 201510128656A CN 104764899 B CN104764899 B CN 104764899B
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Abstract
A kind of explosion velocity of explosive method of testing, it accurately measures explosion velocity of explosive using detonation module, timing module, chromacoder, detonation element, propagation of explosion cap, detonator.It is characterized in that：Detonation module, timing module, chromacoder are sequentially connected, and detonation module is detonated first, second detonator simultaneously, wherein passing through detonation element, propagation of explosion cap between second detonator, the 3rd detonator connects explosive cartridge to be measured；Timing module records the time, according to Explosive roll length and time difference, you can obtain explosion velocity of explosive.The advantage and good effect of a kind of explosion velocity of explosive method of testing of the present invention are：Easy to operate, measurement accuracy is high, and the explosion velocity of explosive is measured available for job site, the deficiency of existing method is made up.
Description
Technical field
The present invention relates to a kind of new method of testing, more particularly to a kind of explosion velocity of explosive method of testing.
Background technology
To meet social production and resident living demand, China is in the great development rank of infrastructure construction at this stage
Section, commercial explosive is widely used in each construction unit.The accurate measurement problems demand solution of explosion velocity of explosive job site
Certainly.
At present, civil explosive industry is to the assay method of Detonation Velocity for Industrial Explosives, mainly there is a High Speed Photography, continuous oscilloscope method,
Tester method (electrical measuring method), road trie is excuted a law (primacord method), and the conventional detonator method in job site.
High Speed Photography and continuous oscilloscope method precision are high, but equipment is expensive, are used for laboratory explosion velocity measure, do not possess
Economic and practical.
Electrical measuring method precision is high, but cumbersome, and unsuitable job site is used.
Primacord method needs one piece of thickness 3-5mm, and wide 40mm, long 400mm stereotype does not have live operability, and stereotype
May be blown up, cause test failure, in addition event of hurting sb.'s feelings generation.
Detonator method surveys explosion velocity of explosive, and method is simple, and scene is workable, but by the factor shadow such as powder charge, production technology
Ring, detonator explosion velocity can not possibly be constantly equal to standard detonator explosion velocity 1800m/s, measured explosion velocity error about 10%, measurement essence
Degree is not high.
The content of the invention
To solve the above mentioned problem that existing explosion velocity of explosive method of testing is present, the present invention provides one kind and can be used for construction existing
Field, explosion velocity of explosive measuring method easy to operate, it may not only be applied to conventional sense explosion velocity of explosive measure, and can realize fried
Medicine measures explosion velocity of explosive in blasthole during detonation, reference is provided for the implementation of blasting engineering.
The purpose of the present invention is achieved by the following technical programs, a kind of explosion velocity of explosive method of testing, its feature
It is that it includes following device and step：
Detonation module, timing module, chromacoder, detonation element, propagation of explosion cap, detonator；The detonation mould
Block, including：Battery, electric capacity, detonation end, indicator lamp, switch；The chromacoder includes receiving terminal；The detonator is set
Three：First detonator, second detonator, the 3rd detonator.
1. detonation module, timing module and chromacoder are sequentially connected；
2. second detonator and the 3rd detonator length sum are equal to first detonator length；First detonator
One end connects the detonation end of detonation module, and the other end connects chromacoder by receiving terminal, with device formation cyclic loop；
Second detonator one end connects the detonation end of detonation module, other end connection detonation element；3rd detonator one end connection
Propagation of explosion cap, the other end connects chromacoder by receiving terminal；
3. the length of measurement Explosive roll to be measured, is accurate to 10-3m；
4. Explosive roll one end to be measured is connected with detonation element, the other end is connected with propagation of explosion cap, make second detonator,
Detonation element, Explosive roll, propagation of explosion cap, the 3rd detonator and device formation cyclic loop；
5. controlling explosion velocity of explosive test device, detonation end is discharged, at the same first detonator of detonation, second lead it is quick-fried
Pipe；Firing time measure module starts timing to the electric signal simultaneously；In first detonator, detonation wave passes to letter by receiving terminal
On number conversion equipment, detonation wave signal is converted to electric signal by chromacoder, and electric signal firing time determines module record
Time interval one；After second detonator is initiated, detonation wave propagates to detonation element along detonator, ignites in detonation element
High explosive, the energy discharged ignites tested explosive, and the detonation wave that explosive is produced is delivered to the 3rd of propagation of explosion cap center connection
In detonator, detonation wave is continued on the 3rd detonator and propagated to by receiving terminal on chromacoder, electric signal is again
Secondary firing time determines module record time interval two；
6. timing module read access time interval one, time interval two；
7. the formula for calculating explosion velocity of explosive is：Wherein, V is explosion velocity of explosive, and L is fried to be tested in step 3
Medicine powder stick length, t1For time interval one, t2Time interval two.
A kind of explosion velocity of explosive method of testing, it is characterised in that：
First detonator, second detonator, the 3rd detonator are same batch products, to ensure detonator
Performance is consistent；The detonation element is using the bar-shaped hat-shaped structure of the protrusion of central aperture, prominent bar-shaped central aperture internal diameter etc.
In detonator external diameter, hat outer internal diameter is equal to Explosive roll external diameter, built-in high detonation sensitivity, low mechanical sensitivity, low-heat sensitivity
High explosive, such as passivation TATB, its burst period is extremely short, can ignore；Described propagation of explosion cap, using the protrusion rod of central aperture
The hat-shaped structure of shape, prominent bar-shaped central aperture internal diameter is equal to detonator external diameter, and hat outer internal diameter is equal to Explosive roll external diameter.
The detonation module, starts detonation module, and battery is charged to electric capacity, and after electric capacity is fully charged, indicator lamp is lighted, and is touched
Hair switch, electric capacity is discharged by detonation end, while detonate first detonator, second detonator.
The chromacoder has three kinds of designs, and scheme one uses piezoelectric, can be by detonation wave in detonator
Pressure signal is converted into electric signal；Scheme two uses condenser type buckling structure, is also by the pressure signal of detonation wave in detonator
Electric signal is converted into, so that the triggered time determines module；Scheme three uses photodiode, and detonation wave in detonator was transmitted
The optical signal that journey is produced is converted into electric signal.
The timing module, uses precision for time set more than Millisecond, is known technology, no longer goes to live in the household of one's in-laws on getting married herein
State.
The advantage and good effect of a kind of explosion velocity of explosive method of testing of the present invention are：Easy to operate, measurement accuracy is high, by mistake
Difference no more than 2%, it is with low cost.The explosion velocity of explosive is measured available for job site, the deficiency of existing method is made up, it not only may be used
Determined for conventional sense explosion velocity of explosive, and can realize that explosive measures explosion velocity of explosive in blasthole during detonation, be fireman
The implementation of journey provides reference.
A kind of technical scheme for explosion velocity of explosive method of testing that the present invention is provided is described in detail with reference to embodiment.
Embodiment
A kind of explosion velocity of explosive method of testing that the present invention is provided, the device that it is utilized has：Detonation module, timing mould
Block, chromacoder, detonation element, propagation of explosion cap, detonator；The detonation module, including：Battery, electric capacity, detonation end refers to
Show lamp, switch；The chromacoder includes receiving terminal.
The present invention comprises the following steps：
1. detonation module, timing module and chromacoder are sequentially connected；
2. detonator sets three, it is long that second detonator and the 3rd detonator length sum are equal to first detonator
Degree；First detonator one end connects the detonation end of detonation module, and the other end connects chromacoder by receiving terminal, with dress
Put to form cyclic loop；Second detonator one end connects the detonation end of detonation module, other end connection detonation element；3rd
Detonator one end connects propagation of explosion cap, and the other end connects chromacoder by receiving terminal；
3. the length of measurement Explosive roll to be measured, is accurate to 10-3m；
4. Explosive roll one end to be measured is connected with detonation element, the other end is connected with propagation of explosion cap, make second lead it is quick-fried
Pipe, detonation element, Explosive roll, propagation of explosion cap, the 3rd detonator and device formation cyclic loop；
5. controlling explosion velocity of explosive test device, detonation end is discharged, at the same first detonator of detonation, second lead it is quick-fried
Pipe；Firing time measure module starts timing to the electric signal simultaneously；In first detonator, detonation wave passes to letter by receiving terminal
On number conversion equipment, detonation wave signal is converted to electric signal by chromacoder, and electric signal firing time determines module record
Time interval one；After second detonator is initiated, detonation wave propagates to detonation element along detonator, ignites in detonation element
High explosive, the energy discharged ignites tested explosive, and the detonation wave that explosive is produced is delivered to the 3rd of propagation of explosion cap center connection
In detonator, detonation wave is continued on the 3rd detonator and propagated to by receiving terminal on chromacoder, electric signal is again
Secondary firing time determines module record time interval two；
6. timing module read access time interval one, time interval two；
7. the formula for calculating explosion velocity of explosive is：Wherein, V is explosion velocity of explosive, and L is fried to be tested in step 3
Medicine powder stick length, t1For time interval one, t2Time interval two.
First detonator, second detonator, the 3rd detonator are same batch products；The detonation element
The TATB of built-in 1 gram of 40% passivation, its burst period is extremely short, can ignore；The chromacoder uses the pole of photoelectricity two
Pipe, the optical signal that detonation wave transmittance process in detonator is produced is converted into electric signal；The timing module, using precision
For Millisecond time set.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of the Spirit Essence and principle of the technology of the present invention design concept is not departed from, this area is general
The all variations and modifications that logical personnel make to technical scheme, all should drop into protection scope of the present invention, this hair
Bright claimed technology contents, have all been recorded in detail in the claims.
Claims (5)
1. a kind of explosion velocity of explosive method of testing, it is characterised in that comprise the following steps：
Step one：Detonation module, timing module and chromacoder are sequentially connected；
Step 2：Detonator sets three, and it is long that second detonator and the 3rd detonator length sum are equal to first detonator
Degree；First detonator one end connects the detonation end of detonation module, and the other end connects chromacoder by receiving terminal, with dress
Put to form cyclic loop；Second detonator one end connects the detonation end of detonation module, other end connection detonation element；3rd
Detonator one end connects propagation of explosion cap, and the other end connects chromacoder by receiving terminal；
Step 3：The length of Explosive roll to be measured is measured, 10 are accurate to-3m；
Step 4：Explosive roll one end to be measured is connected with detonation element, the other end is connected with propagation of explosion cap, make second lead it is quick-fried
Pipe, detonation element, Explosive roll, propagation of explosion cap, the 3rd detonator and device formation cyclic loop；
Step 5：Control explosion velocity of explosive test device, detonation end is discharged, at the same first detonator of detonation, second lead it is quick-fried
Pipe；Firing time measure module starts timing to the electric signal simultaneously；In first detonator, detonation wave passes to letter by receiving terminal
On number conversion equipment, detonation wave signal is converted to electric signal by chromacoder, and electric signal firing time determines module record
Time interval one；After second detonator is initiated, detonation wave propagates to detonation element along detonator, ignites in detonation element
High explosive, the energy discharged ignites tested explosive, and the detonation wave that explosive is produced is delivered to the 3rd of propagation of explosion cap center connection
In detonator, detonation wave is continued on the 3rd detonator and propagated to by receiving terminal on chromacoder, electric signal is again
Secondary firing time determines module record time interval two；
Step 6：Timing module read access time interval one, time interval two；
Step 7：Calculate explosion velocity of explosive formula be：Wherein, V is explosion velocity of explosive, and L is fried to be tested in step 3
Medicine powder stick length, t1For time interval one, t2Time interval two.
2. a kind of explosion velocity of explosive method of testing as claimed in claim 1, it is characterised in that：First detonator, second
Root detonator, the 3rd detonator are same batch products.
3. a kind of explosion velocity of explosive method of testing as claimed in claim 1, it is characterised in that：The detonation element is opened using centre
The bar-shaped hat-shaped structure of the protrusion in hole, prominent bar-shaped central aperture internal diameter is equal to detonator external diameter, and hat outer internal diameter is equal to fried
Medicine powder stick external diameter, built-in high detonation sensitivity, low mechanical sensitivity, the high explosive of low-heat sensitivity；Described propagation of explosion cap, is opened using centre
The bar-shaped hat-shaped structure of the protrusion in hole, prominent bar-shaped central aperture internal diameter is equal to detonator external diameter, and hat outer internal diameter is equal to fried
Medicine powder stick external diameter.
4. a kind of explosion velocity of explosive method of testing as claimed in claim 1, it is characterised in that：The chromacoder has three kinds
Design, scheme one uses piezoelectric；Scheme two uses condenser type buckling structure；Scheme three uses photodiode.
5. a kind of explosion velocity of explosive method of testing as claimed in claim 1, it is characterised in that：The timing module, is used
Precision is time set more than Millisecond.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105652029B (en) * | 2015-12-08 | 2018-11-06 | 安徽理工大学 | Explosive charge speed testing system and method |
| CN106645628A (en) * | 2016-11-15 | 2017-05-10 | 葛洲坝易普力四川爆破工程有限公司 | Auxiliary device for testing explosive velocity of explosive |
| CN107449933A (en) * | 2017-07-06 | 2017-12-08 | 安徽雷鸣科化股份有限公司 | A kind of porous particulated ammonium oil explosive explosion velocity measure device and the method using device measure explosion velocity |
| 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 |
| CN108871118A (en) * | 2018-07-17 | 2018-11-23 | 湖北三江航天红林探控有限公司 | A kind of explosion velocity of explosive multipoint acquisition system and its application method |
| CN110058039A (en) * | 2019-04-29 | 2019-07-26 | 中国矿业大学(北京) | A kind of detonator explosion velocity measurement method based on digital picture correlation |
| CN112557620A (en) * | 2020-11-11 | 2021-03-26 | 安徽理工大学 | Method for testing work done by explosion of electronic detonator |
| CN115468462B (en) * | 2022-09-22 | 2023-06-27 | 南京理工大学 | Explosion velocity measuring method for small-size charge based on thick-wall round tube |
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| JPS55154468A (en) * | 1979-05-21 | 1980-12-02 | Agency Of Ind Science & Technol | Method and apparatus for measuring rate of propagation of explosion utilizing photoelectric circuit |
| JPH06100492B2 (en) * | 1985-06-20 | 1994-12-12 | 工業技術院長 | Explosion measuring device |
| JP2005207794A (en) * | 2004-01-21 | 2005-08-04 | Ihi Aerospace Co Ltd | Detonation velocity measuring instrument |
| CN201277840Y (en) * | 2008-10-15 | 2009-07-22 | 雅化集团绵阳实业有限公司 | Remote detonator |
| CN101435829B (en) * | 2008-12-09 | 2010-12-01 | 中北大学 | Detonation velocity photoelectric test method and apparatus of detonating cord |
| CN102081104A (en) * | 2010-11-26 | 2011-06-01 | 西安天力金属复合材料有限公司 | Device and method for measuring detonating velocity of explosive |
| CN102608347B (en) * | 2011-08-24 | 2015-10-28 | 薛世忠 | Detonation velocity meter, explosion velocity measuring method and explosion velocity measuring system |
| CN102435110A (en) * | 2011-10-17 | 2012-05-02 | 福建省民爆化工股份有限公司 | Method and device for testing delay of detonator delay element |
| CN202325623U (en) * | 2011-12-05 | 2012-07-11 | 山西潞安环保能源开发股份有限公司 | Mining automatic explosion-proof rock dust barrier device |
| CN103018312B (en) * | 2012-12-23 | 2014-12-31 | 西安电子工程研究所 | Explosive detonation property testing system under pulse high voltage and tested explosive loading part |
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Inventor after: Zhu Shuai Inventor after: Liu Feng Inventor after: Xing Huadao Inventor after: Zhu Keke Inventor after: Fang Hua Inventor after: He Zhiwei Inventor before: Zhu Shuai Inventor before: Wu Hongbo Inventor before: Sang Nanlong Inventor before: Xing Huadao Inventor before: Jiu Zhijun |
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Effective date of registration: 20181221 Address after: 244000 Shizishan South Road, Tongling City, Anhui Province Patentee after: Tongling leiming Shuangshi chemical limited liability company Address before: No. 168 Shun Geng Middle Road, Huainan, Anhui Province Co-patentee before: Zhu Shuai Patentee before: Anhui University Of Science And Technology |
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