CN111426244A - Detection method of detonating network of detonating tube - Google Patents
Detection method of detonating network of detonating tube Download PDFInfo
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- CN111426244A CN111426244A CN202010238900.5A CN202010238900A CN111426244A CN 111426244 A CN111426244 A CN 111426244A CN 202010238900 A CN202010238900 A CN 202010238900A CN 111426244 A CN111426244 A CN 111426244A
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- detection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention discloses a detection method of a detonating network of a detonating tube, which comprises the following steps: the detonating tubes are arranged in a detonating network in a serial mode; grouping the detonation networks; each group of detonation networks is taken as a first sub-detection unit to carry out series resistance detection; and if the detection resistance is equal to the theoretically calculated resistance, the first sub-detection unit is a qualified unit. The detection method of the detonating tube detonation network provided by the invention has the advantages that the serial resistance detection is adopted, the operation method is simple, and the fault problem of the detonating tube detonation network can be rapidly determined.
Description
Technical Field
The invention relates to the technical field of ore body blasting demolition, in particular to a detection method of a detonating tube detonation network.
Background
In the process of mine blasting construction, by comparing the detonating network of the detonating tube with the mixed detonating network of the electric detonator and the detonating tube, the detonating network of the detonating tube is easy to damage under the condition that the blast hole is too dense or the externally-transmitted detonating cap is not covered in place, so the mixed detonating network of the electric detonator and the detonating tube is preferred, the detonating tube detonator is used in the hole, and the electric detonator is used for detonating after the hole is punctured. The network has the advantages of convenient operation, capability of conducting the network, checking the resistance value and the like. However, in the prior art, no simple and effective method is available for detecting the conduction and resistance value of the digital capacitive exploder to the electric detonator.
Disclosure of Invention
An object of the present invention is to provide a method for inspecting a detonating network of a detonator, which solves at least some of the drawbacks of the prior art.
It is a further object of the present invention to provide a method of testing a detonator initiation network that is simple to operate.
It is a further object of the present invention to provide a method of testing a detonator initiation network that is accurate.
Particularly, the invention provides a detection method of a detonating network of a detonator, which comprises the following steps:
the detonating tubes are arranged in a detonating network in a serial mode;
grouping the detonation networks;
each group of detonation networks is taken as a first sub-detection unit to carry out series resistance detection;
and if the detection resistance is equal to the theoretically calculated resistance, the first sub-detection unit is a qualified unit.
Preferably, if the detection resistance is smaller than the theoretically calculated resistance, a parallel phenomenon occurs in the first detection unit.
Preferably, if the detection resistance is greater than the theoretical calculation resistance, the line of the first detection unit is grounded.
Preferably, the first and second electrodes are formed of a metal,
and if the detection resistance is zero, the first sub-detection unit is a unqualified unit.
Preferably, the detection method further comprises:
and dividing the unqualified unit into a plurality of second sub-detection units, and performing series resistance detection on the second sub-detection units to determine the fault positions of the second sub-detection units.
Preferably, the failure position of the second sub-detection unit is determined, and the second sub-detection unit is split into the third sub-detection units to perform respective detection so as to determine the failure position.
Compared with the detection method of the detonating tube network in the prior art, the detection method of the detonating tube network provided by the invention has the following beneficial effects:
the detection method of the detonating tube detonation network provided by the invention has the advantages that the serial resistance detection is adopted, the operation method is simple, and the fault problem of the detonating tube detonation network can be rapidly determined.
Further, through the test of the sub-detection units, the series resistance detection is carried out on the first sub-detection unit, and if the detection resistance is equal to the theoretical calculation resistance, the first sub-detection unit is a qualified unit; if the detection resistance is smaller than the theoretical calculation resistance, the first detection unit has a parallel connection phenomenon. If the detonating tubes are connected in parallel, the detonating tubes can be leaked and need to be processed in time; if the detection resistance is larger than the theoretical calculation resistance, it is indicated that the resistance of the first detection unit is too large, and the line of the detonating tube is grounded, that is, the line of the first detection unit is grounded, and the line is grounded, so that the middle section blasting phenomenon is caused. The detection method can rapidly and accurately detonate the fault position of the network.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a detonator initiation network in accordance with one embodiment of the present invention;
FIG. 2 is a schematic view of a detonator initiation network in another embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The detection method of the detonating tube detonation network provided by the invention is used for the detonating tube detonation network. The detection method of the detonating tube detonation network specifically comprises the following steps:
in the first step, the detonating tubes are arranged in a detonating network in a serial mode.
Specifically, in one mine blasting construction, a plurality of detonating tubes are adopted for detonating, and the plurality of detonating tubes are arranged in a series manner in a detonating network. Referring specifically to fig. 1, fig. 1 is a schematic diagram of a detonating network of a detonator in an embodiment of the invention.
And secondly, grouping the detonation networks.
Referring again to fig. 1, the detonation networks are grouped, for example at point C, D, and ABCD constitutes one detection unit in the first detection.
And thirdly, taking each group of detonation networks as a first sub-detection unit to detect the series resistance.
According to the above, the two parts are respectively set as the first sub-detecting units, and the series resistance detection is performed on the first sub-detecting units. And after the network is connected, conducting and resistance detecting are carried out at the CD.
And fourthly, if the detection resistance is equal to the theoretical calculation resistance, the first sub-detection unit is a qualified unit.
In general, the resistance calculation formula:
the resistors are connected in series: r1+ R2+ R3 +. cnr
The resistors are connected in parallel: 1/R-1/R1 +1/R2+1/R3+ · +1/Rn
And detecting the series resistance of the first sub-detection unit, wherein if the detection resistance is equal to the theoretically calculated resistance, the first sub-detection unit is a qualified unit.
Further, if the detection resistance is smaller than the theoretical calculation resistance, a parallel connection phenomenon occurs in the first detection unit. If the detonating tubes are connected in parallel, the detonating tubes will be exposed to explosion and need to be disposed in time.
Furthermore, if the detection resistance is greater than the theoretically calculated resistance, it is indicated that the resistance of the first detection unit is too large, and the line of the detonating tube is grounded, that is, the line of the first detection unit is grounded, and the line is grounded, so that the middle section blasting phenomenon is caused.
Further, if the detection resistance is zero, the first sub-detection unit is a fail unit.
In a preferred embodiment, please refer to fig. 2, fig. 2 is a schematic diagram of a detonator initiation network according to another embodiment of the present invention, and the detection method further includes:
and dividing the unqualified unit into a plurality of second sub-detection units, and performing series resistance detection on the second sub-detection units to determine the fault positions of the second sub-detection units.
If not, or not in accordance with the theoretical calculated resistance, then CD is closed and the middle AB of the net is opened, e.g., A1, A2, B1 and B2, to obtain the second sub-detector cell on the A1B1 side and the second sub-detector cell on the A2B2 side. Conducting and resistance detection are respectively carried out at the A1B1 and the A2B2, and compared with the calculated resistance, the fault can be known to be at the A1B1 part or the A2CDB2 part, and then the node conducting detection is carried out on the fault area again, so that the fault part can be found out as soon as possible.
And if the fault position of the detonation network is not found by detecting the second sub-detection unit, the second sub-detection unit is divided into third sub-detection units to carry out detection respectively to determine the fault position.
The detection method repeats the second step to the fourth step until the smallest fault position is found quickly and conveniently.
The detection method of the detonating tube detonation network provided by the invention has the advantages that the serial resistance detection is adopted, the operation method is simple, and the fault problem of the detonating tube detonation network can be rapidly determined.
Further, through the test of the sub-detection units, the series resistance detection is carried out on the first sub-detection unit, and if the detection resistance is equal to the theoretical calculation resistance, the first sub-detection unit is a qualified unit; if the detection resistance is smaller than the theoretical calculation resistance, the first detection unit has a parallel connection phenomenon. If the detonating tubes are connected in parallel, the detonating tubes can be leaked and need to be processed in time; if the detection resistance is larger than the theoretical calculation resistance, it is indicated that the resistance of the first detection unit is too large, and the line of the detonating tube is grounded, that is, the line of the first detection unit is grounded, and the line is grounded, so that the middle section blasting phenomenon is caused. The detection method can rapidly and accurately detonate the fault position of the network.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (6)
1. A detection method for a detonating tube detonation network is characterized by comprising the following steps:
the detonating tubes are arranged in a detonating network in a serial mode;
grouping the detonation networks;
each group of detonation networks is taken as a first sub-detection unit to carry out series resistance detection;
and if the detection resistance is equal to the theoretical calculation resistance, the first sub-detection unit is a qualified unit.
2. The method of testing a detonator initiation network of claim 1 wherein: and if the detection resistance is smaller than the theoretical calculation resistance, the first detection unit generates a parallel connection phenomenon.
3. The method of testing a detonator initiation network of claim 1 wherein: and if the detection resistance is larger than the theoretical calculation resistance, the line of the first detection unit is grounded.
4. The method of testing a detonator initiation network of claim 1 wherein:
and if the detection resistance is zero, the first sub-detection unit is a unqualified unit.
5. The method of testing a detonator initiation network of claim 4 wherein:
the detection method further comprises the following steps:
and dividing the unqualified unit into a plurality of second sub-detection units, and performing series resistance detection on the second sub-detection units to determine the fault positions of the second sub-detection units.
6. The method of testing a detonator initiation network of claim 5 wherein: and the second sub-detection unit is divided into third sub-detection units for respectively detecting to determine the fault position by determining the fault position of the second sub-detection unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010238900.5A CN111426244A (en) | 2020-03-30 | 2020-03-30 | Detection method of detonating network of detonating tube |
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| CN202010238900.5A CN111426244A (en) | 2020-03-30 | 2020-03-30 | Detection method of detonating network of detonating tube |
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Citations (6)
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| CN101776427A (en) * | 2010-01-13 | 2010-07-14 | 中国人民解放军理工大学工程兵工程学院 | Multipath electric detonator priming device with self test and line fault test function and method |
| CN201993053U (en) * | 2011-02-24 | 2011-09-28 | 重庆工程职业技术学院 | Electric blasting circuit security detection blasting system |
| CN203687802U (en) * | 2014-01-16 | 2014-07-02 | 四川省洪雅青衣江元明粉有限公司 | Detonation device with smoothness detecting function |
| CN106052495A (en) * | 2016-07-22 | 2016-10-26 | 中国葛洲坝集团易普力股份有限公司 | Remote electronic exploder |
| CN107219455A (en) * | 2017-05-22 | 2017-09-29 | 中国电子科技集团公司第四十研究所 | A kind of matrix switch relay failure detector and detection method |
| CN108253855A (en) * | 2018-03-09 | 2018-07-06 | 成都友创芯达电子科技有限公司 | It is a kind of that there is the control device for detonation of electric detonator of management and control and management-control method |
-
2020
- 2020-03-30 CN CN202010238900.5A patent/CN111426244A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| CN101776427A (en) * | 2010-01-13 | 2010-07-14 | 中国人民解放军理工大学工程兵工程学院 | Multipath electric detonator priming device with self test and line fault test function and method |
| CN201993053U (en) * | 2011-02-24 | 2011-09-28 | 重庆工程职业技术学院 | Electric blasting circuit security detection blasting system |
| CN203687802U (en) * | 2014-01-16 | 2014-07-02 | 四川省洪雅青衣江元明粉有限公司 | Detonation device with smoothness detecting function |
| CN106052495A (en) * | 2016-07-22 | 2016-10-26 | 中国葛洲坝集团易普力股份有限公司 | Remote electronic exploder |
| CN107219455A (en) * | 2017-05-22 | 2017-09-29 | 中国电子科技集团公司第四十研究所 | A kind of matrix switch relay failure detector and detection method |
| CN108253855A (en) * | 2018-03-09 | 2018-07-06 | 成都友创芯达电子科技有限公司 | It is a kind of that there is the control device for detonation of electric detonator of management and control and management-control method |
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