CN114353607B - Detection control method for wireless detonator priming circuit - Google Patents
Detection control method for wireless detonator priming circuit Download PDFInfo
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- CN114353607B CN114353607B CN202210056695.XA CN202210056695A CN114353607B CN 114353607 B CN114353607 B CN 114353607B CN 202210056695 A CN202210056695 A CN 202210056695A CN 114353607 B CN114353607 B CN 114353607B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses a detection control method of a wireless detonator priming circuit, which belongs to the technical field of ore body blasting demolition, and comprises the following steps: step S1: the detonation network simultaneously carries out electric control on a plurality of electronic detonators in a serial arrangement mode; step S2: installing an auxiliary circuit system on a circuit site between two adjacent electronic detonators on the detonation network, and encoding a plurality of auxiliary circuit systems; step S3: before power-on, the voltage detection device receives and detects signal values sent by the auxiliary circuitry using wireless technology. According to the invention, according to the measured secondary value change of the two-phase waveform diagram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, so that whether the ground fault exists in one phase can be judged by judging the amplitude change of the voltage, and the good detection of the sensitive and reliable detonation network can have non-weight significance for the control of the wireless detonator.
Description
Technical Field
The invention belongs to the technical field of blasting demolition of ore bodies, and particularly relates to a detection control method of a wireless detonator priming circuit.
Background
The detonator is the main detonating material for blasting engineering, and its function is to produce detonating energy to detonate various explosive, detonating cord and booster tube. Detonators are classified into fire detonators and electric detonators. Electric detonators are adopted in underground coal mine . Electric detonators are classified into instantaneous electric detonators and delay electric detonators. The delay electric detonator is divided into a second delay electric detonator and a millisecond delay electric detonator, the detection content of the wireless detonator priming network in the prior art comprises overvoltage, grounding and overload, if the grounding occurs, the wireless detonator priming network is easy to cause the failure of normal work, the wireless detonator is seriously caused to fail, and serious accident occurs.
Based on the detection control method, the invention designs a detection control method for the wireless detonator priming circuit so as to solve the problems.
Disclosure of Invention
The invention aims at: in order to solve the problem that the detonator is the main detonating material in blasting engineering, the detonator has the function of generating detonating energy to detonate various explosives, detonating cords and booster tubes. Detonators are classified into fire detonators and electric detonators. Electric detonators are adopted in underground coal mine . Electric detonators are classified into instantaneous electric detonators and delay electric detonators. The delay electric detonator is divided into a second delay electric detonator and a millisecond delay electric detonator, the detection content of the wireless detonator initiation network in the prior art comprises overvoltage, grounding and overload, if the grounding occurs, the wireless detonator initiation network is easy to cause the failure of normal work, the failure of the wireless detonator is seriously caused, and the serious accident occurs.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a detection control method of a wireless detonator priming circuit comprises the following steps:
step S1: the detonation network simultaneously carries out electric control on a plurality of electronic detonators in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a circuit site between two adjacent electronic detonators on the detonation network, and encoding a plurality of auxiliary circuit systems;
step S3: before power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S4: after power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S5: and comparing the change of the voltage amplitude before and after the power is applied, and judging whether the line site has a ground fault or not.
As a further description of the above technical solution:
the auxiliary circuit system is formed by combining a current and voltage source, an equivalent resistor, a wireless signal transmitter and a power switch, and the current and voltage source, the equivalent resistor, the wireless signal transmitter and the power switch are connected to form a switch circuit.
As a further description of the above technical solution:
the test time of the auxiliary circuit system is 80ms, and the step length of the auxiliary circuit system is 8us.
As a further description of the above technical solution:
the circuit voltage source generates three-phase alternating voltage, and the three equivalent resistances are respectively used as three-phase loads of line sites.
As a further description of the above technical solution:
and after the auxiliary circuit system is electrified, the three-phase alternating voltage and the three-phase load are utilized to respectively detect the three-phase ground voltage of the line site.
As a further description of the above technical solution:
before the power is on, the voltage detection equipment receives the wireless signal and then converts the obtained three-phase voltage to ground into a first waveform diagram.
As a further description of the above technical solution:
before the power is on, the voltage detection equipment receives the wireless signal and then converts the obtained three-phase voltage to ground into a waveform chart.
As a further description of the above technical solution:
the rated voltage of the alternating voltage source is 380 volts, and the frequency of the alternating voltage source is 50HZ.
As a further description of the above technical solution:
the wireless signal receiver comprises a main receiver and a receiving receiver, and the receiving receiver receives the signal transmitted by the wireless signal transmitter and transmits the signal to the voltage detection equipment through the main receiver.
As a further description of the above technical solution:
the types of the main receiver and the receiving receiver are selected according to the number of the primary circuit connecting sites.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, according to the measured secondary value change of the two-phase waveform diagram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, so that whether the ground fault exists in one phase can be judged by judging the amplitude change of the voltage, and the good detection of the sensitive and reliable detonation network can have non-weight significance for the control of the wireless detonator.
Drawings
Fig. 1 is a flowchart of a method for detecting and controlling a wireless detonator priming circuit according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a detection control method of a wireless detonator priming circuit comprises the following steps:
step S1: the detonation network simultaneously carries out electric control on a plurality of electronic detonators in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a circuit site between two adjacent electronic detonators on the detonation network, and encoding a plurality of auxiliary circuit systems;
step S3: before power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S4: after power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S5: and comparing the change of the voltage amplitude before and after the power is applied, and judging whether the line site has a ground fault or not.
Specifically, as shown in fig. 1, the auxiliary circuit system is formed by combining a current voltage source, an equivalent resistor, a wireless signal transmitter and a power switch, and the current voltage source, the equivalent resistor, the wireless signal transmitter and the power switch are connected to form a switch circuit loop.
Specifically, as shown in fig. 1, the test time of the auxiliary circuit system is 80ms, and the step size of the auxiliary circuit system is 8us.
Specifically, as shown in fig. 1, the circuit voltage source generates three-phase alternating voltages, and the three equivalent resistors are respectively used as three-phase loads of a line site.
Specifically, as shown in fig. 1, after the auxiliary circuit system is electrified, three-phase alternating voltage and three-phase load are used for respectively detecting three-phase ground voltage of the line site.
Specifically, as shown in fig. 1, before the power is turned on, the voltage detection device receives a wireless signal and then converts the obtained three-phase voltage to ground into a first waveform chart.
Specifically, as shown in fig. 1, before the power is turned on, the voltage detection device receives a wireless signal and then converts the obtained three-phase voltage to ground into a waveform chart.
Specifically, as shown in fig. 1, the rated voltage of the ac voltage source is 380 volts, and the frequency of the ac voltage source is 50HZ.
Specifically, as shown in fig. 1, the wireless signal receiver includes a main receiver and a receiver, and the signal transmitted by the wireless signal transmitter is received by the sub-receiver and then transmitted to the voltage detection device through the main receiver.
Specifically, as shown in FIG. 1, the types of the primary and secondary receivers are selected based on the number of primary circuit connection sites.
Working principle, when in use:
the detonation network simultaneously carries out electric control on a plurality of electronic detonators in a serial arrangement mode;
installing an auxiliary circuit system on a circuit site between two adjacent electronic detonators on the detonation network, and encoding a plurality of auxiliary circuit systems;
before power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
after power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
comparing the change of the voltage amplitude before and after the power-on, and judging whether the line site has a ground fault or not;
according to the measured secondary value change of the two-phase waveform diagram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, and whether the ground fault exists in a certain phase can be judged by judging the amplitude change of the voltage, so that the good detection of the sensitive and reliable detonation network can have non-weight significance for the control of the wireless detonator.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The detection control method of the wireless detonator priming circuit is characterized by comprising the following steps of:
step S1: the detonation network simultaneously carries out electric control on a plurality of electronic detonators in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a circuit site between two adjacent electronic detonators on the detonation network, and encoding a plurality of auxiliary circuit systems;
step S3: before power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S4: after power-on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by utilizing a wireless technology;
step S5: comparing the change of the voltage amplitude before and after the power-on, and judging whether the line site has a ground fault or not;
the auxiliary circuit system is formed by combining a current and voltage source, an equivalent resistor, a wireless signal transmitter and a power switch, and the current and voltage source, the equivalent resistor, the wireless signal transmitter and the power switch are connected to form a switch circuit;
the wireless signal receiver comprises a main receiver and a receiving receiver, and the receiving receiver receives the signal transmitted by the wireless signal transmitter and transmits the signal to the voltage detection equipment through the main receiver;
the types of the main receiver and the receiving receiver are selected according to the number of the primary circuit connecting sites.
2. The method of claim 1, wherein the test time of the auxiliary circuitry is 80ms and the step size of the auxiliary circuitry is 8us.
3. The method of claim 1, wherein the current voltage source generates three-phase ac voltages, and the equivalent resistances are three, each for use as a three-phase load at a line site.
4. The method of claim 1, wherein the auxiliary circuitry is configured to detect three phase voltages to ground at the line site using three phase ac voltages and three phase loads, respectively, after the auxiliary circuitry is energized.
5. The method of claim 1, wherein the voltage detection device converts the three-phase voltage to ground into a first waveform after receiving the wireless signal before powering on.
6. The method for controlling the detection of a detonator priming circuit according to claim 1, wherein the voltage detection device converts the obtained three-phase voltage to ground into a waveform pattern after receiving the wireless signal before powering on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210056695.XA CN114353607B (en) | 2022-01-19 | 2022-01-19 | Detection control method for wireless detonator priming circuit |
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| CN202210056695.XA CN114353607B (en) | 2022-01-19 | 2022-01-19 | Detection control method for wireless detonator priming circuit |
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| CN114353607A CN114353607A (en) | 2022-04-15 |
| CN114353607B true CN114353607B (en) | 2023-06-20 |
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| CN114909966A (en) * | 2022-06-04 | 2022-08-16 | 北京伊拜科技有限责任公司 | Anti-interference wireless detonator with small antenna |
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| CH482332A (en) * | 1968-04-22 | 1969-11-30 | Bbc Brown Boveri & Cie | Earth fault protection device for a direct current network |
| FI112283B (en) * | 1999-09-23 | 2003-11-14 | Abb Oy | Method for detecting large impedance ground fault in medium voltage grid |
| JP4309001B2 (en) * | 1999-11-22 | 2009-08-05 | カヤク・ジャパン株式会社 | Remote wireless detonator, power energy transmitter and radio detonator unit used in the apparatus |
| PE20061227A1 (en) * | 2005-01-24 | 2006-12-19 | Orica Explosives Tech Pty Ltd | ASSEMBLIES OF WIRELESS DETONATORS AND CORRESPONDING NETWORKS |
| CN102435111B (en) * | 2011-11-02 | 2014-02-19 | 武汉理工大学 | Control and detection method for blasting network |
| CN103115536B (en) * | 2013-02-08 | 2016-08-10 | 前进民爆股份有限公司 | A kind of large-scale method of ignition of the digital electric detonator for engineering explosion |
| AP2015008648A0 (en) * | 2013-03-08 | 2015-08-31 | Gezhouba Explosive Co Ltd | Detonation system having digital electronic detonator able to identify blast hole location and control method thereof |
| CN104101812B (en) * | 2013-04-09 | 2017-02-22 | 北京映翰通网络技术股份有限公司 | Single-phase grounding fault detection and positioning method and system for low-current grounding power distribution network |
| CN103558502B (en) * | 2013-11-21 | 2017-05-24 | 国家电网公司 | Single-phase earth fault detection circuit, method and system |
| CN204788092U (en) * | 2015-07-08 | 2015-11-18 | 重庆工程职业技术学院 | Safe type electric cap initiating device |
| CN106908686A (en) * | 2017-04-21 | 2017-06-30 | 国网安徽省电力公司淮北供电公司 | Single-phase grounded malfunction in grounded system of low current reliability judgment means based on asymmetric method |
| CN108253855B (en) * | 2018-03-09 | 2020-07-07 | 四川美创达安防产品有限公司 | Electronic detonator detonation control device with control function and control method |
| WO2019218100A1 (en) * | 2018-05-18 | 2019-11-21 | Chen Mo | Electronic detonator connector and electronic detonator configuration method based on same |
| CN110823029A (en) * | 2019-09-10 | 2020-02-21 | 贵州全安密灵科技有限公司 | Separated detonation control system and detonation control method |
| BR112022015386A2 (en) * | 2020-02-05 | 2022-09-27 | Detnet South Africa Pty Ltd | WIRELESS DETONATOR SYSTEM |
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