CN114353607A - Detection control method of wireless detonator priming circuit - Google Patents
Detection control method of wireless detonator priming circuit Download PDFInfo
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- CN114353607A CN114353607A CN202210056695.XA CN202210056695A CN114353607A CN 114353607 A CN114353607 A CN 114353607A CN 202210056695 A CN202210056695 A CN 202210056695A CN 114353607 A CN114353607 A CN 114353607A
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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
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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 is used for electrically controlling a plurality of electronic detonators simultaneously in a serial arrangement mode; step S2: installing an auxiliary circuit system on a line site corresponding to a position between two adjacent electronic detonators on the detonation network, and coding a plurality of auxiliary circuit systems; step S3: before power-on, the voltage detection device receives and detects the signal values emitted by the auxiliary circuitry using wireless technology. According to the invention, according to the change of the measured secondary value of the two-phase oscillogram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, whether the ground fault exists in a certain phase can be judged by judging the change of the voltage amplitude, and the good detection of the sensitive and reliable detonation network has non-weight significance on the control of the wireless detonator.
Description
Technical Field
The invention belongs to the technical field of ore body blasting demolition, and particularly relates to a detection control method of a wireless detonator priming circuit.
Background
The detonator is the main initiation material in blasting engineering and has the function of generating initiation energy to detonate various explosives, detonating cord and detonating tube. The detonators are divided into fire detonators and electric detonators. The underground coal mine adopts electric detonators. The electric detonator is divided into an instantaneous electric detonator and a delayed electric detonator. The delay electric detonators are divided into second delay electric detonators and millisecond delay electric detonators, detection contents of a wireless detonator initiation network in the prior art comprise overvoltage, grounding and overload, if the wireless detonator initiation network is grounded, the wireless detonator initiation network can not work normally, faults of the wireless detonator can be caused seriously, and serious accidents can occur.
Based on the above, the invention designs a detection control method of a wireless detonator priming circuit, so as to solve the above problems.
Disclosure of Invention
The invention aims to: the detonator is a main initiation material in blasting engineering and has the function of generating initiation energy to initiate various explosives, an detonating cord and a booster tube. The detonators are divided into fire detonators and electric detonators. The underground coal mine adopts electric detonators. The electric detonator is divided into an instantaneous electric detonator and a delayed electric detonator. The delay electric detonator is divided into a second delay electric detonator and a millisecond delay electric detonator, the detection content of a wireless detonator priming network in the prior art comprises overvoltage, grounding and overload, if the wireless detonator priming network is grounded, the wireless detonator priming network can not work normally, the fault of the wireless detonator can be seriously caused, and the problem of serious accident can be solved.
In order to achieve the purpose, the 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 is used for electrically controlling a plurality of electronic detonators simultaneously in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a line site corresponding to a position between two adjacent electronic detonators on the detonation network, and coding 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 using a wireless technology;
step S4: after power is on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by using a wireless technology;
step S5: and comparing the change of the voltage amplitude before and after electrification to judge whether the line site has the ground fault.
As a further description of the above technical solution:
the auxiliary circuit system is formed by combining a current voltage source, an equivalent resistor, a wireless signal emitter and a power switch, and the current voltage source, the equivalent resistor, the wireless signal emitter and the power switch are connected to form a switch circuit loop.
As a further description of the above technical solution:
the test time of the auxiliary circuitry is 80ms and the step size of the auxiliary circuitry is 8 us.
As a further description of the above technical solution:
the circuit voltage source generates three-phase alternating-current voltages, and the three equivalent resistors are respectively used for serving as three-phase loads of a line site.
As a further description of the above technical solution:
after the auxiliary circuit system is electrified, the three-phase voltage to ground of the three phases of the line site is detected by using the three-phase alternating voltage and the three-phase load respectively.
As a further description of the above technical solution:
before the power-on, the voltage detection equipment receives the wireless signal and then converts the obtained three-phase voltage to earth into a first oscillogram.
As a further description of the above technical solution:
before the power-on, the voltage detection equipment receives the wireless signal and then converts the obtained three-phase voltage to earth voltage into a wave form diagram.
As a further description of the above technical solution:
the rated voltage of the alternating current voltage source is 380 volts, and the frequency of the alternating current voltage source is 50 HZ.
As a further description of the above technical solution:
the wireless signal receiver comprises a main receiver and a sub-receiver, and the sub-receiver receives signals transmitted by the wireless signal transmitter and transmits the signals 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 sub receiver are selected according to the number of the detonating network connection sites.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, according to the change of the measured secondary value of the two-phase oscillogram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, whether the ground fault exists in a certain phase can be judged by judging the change of the voltage amplitude, and the good detection of the sensitive and reliable detonation network has non-weight significance on the control of the wireless detonator.
Drawings
Fig. 1 is a flowchart of a detection control method of a wireless detonator priming circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
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 is used for electrically controlling a plurality of electronic detonators simultaneously in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a line site corresponding to a position between two adjacent electronic detonators on the detonation network, and coding 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 using a wireless technology;
step S4: after power is on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by using a wireless technology;
step S5: and comparing the change of the voltage amplitude before and after electrification to judge whether the line site has the ground fault.
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 switching circuit loop.
Specifically, as shown in fig. 1, the test time of the auxiliary circuitry is 80ms, and the step size of the auxiliary circuitry is 8 us.
Specifically, as shown in fig. 1, the circuit voltage source generates three-phase ac voltages, and the three equivalent resistances are used as three-phase loads at the line site.
Specifically, as shown in fig. 1, after the auxiliary circuit system is powered on, the voltages to ground of the three phases of the line site are respectively detected by using three-phase alternating voltages and three-phase loads.
Specifically, as shown in fig. 1, before the power-on, the voltage detection device receives the wireless signal and converts the obtained three-phase voltage to ground into a first waveform diagram.
Specifically, as shown in fig. 1, before the power is turned on, the voltage detection device receives the wireless signal and converts the obtained three-phase voltage to ground into a waveform diagram.
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 50 HZ.
Specifically, as shown in fig. 1, the wireless signal receiver includes a main receiver and a sub-receiver, and the sub-receiver receives a signal transmitted by the wireless signal transmitter and transmits the signal to the voltage detection device through the main receiver.
Specifically, as shown in fig. 1, the types of the main receiver and the branch receiver are selected according to the number of the detonating network connection sites.
Working principle, when in use:
the detonation network is used for electrically controlling a plurality of electronic detonators simultaneously in a serial arrangement mode;
installing an auxiliary circuit system on a line site corresponding to a position between two adjacent electronic detonators on the detonation network, and coding 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 using a wireless technology;
after power is on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by using a wireless technology;
comparing the change of voltage amplitude values before and after electrification, and judging whether the line site has a ground fault;
according to the change of the measured secondary value of the two-phase oscillogram, if the ground fault occurs, the voltage amplitude is correspondingly reduced, whether the ground fault exists in a certain phase can be judged by judging the change of the voltage amplitude, and the good detection of the sensitive and reliable detonation network has non-weight significance on the control of the wireless detonator.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A detection control method of a wireless detonator priming circuit is characterized by comprising the following steps:
step S1: the detonation network is used for electrically controlling a plurality of electronic detonators simultaneously in a serial arrangement mode;
step S2: installing an auxiliary circuit system on a line site corresponding to a position between two adjacent electronic detonators on the detonation network, and coding 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 using a wireless technology;
step S4: after power is on, the voltage detection equipment receives and detects a signal value sent by the auxiliary circuit system by using a wireless technology;
step S5: and comparing the change of the voltage amplitude before and after electrification to judge whether the line site has the ground fault.
2. The method for detecting and controlling the detonating circuit of the wireless detonator as claimed in claim 1, wherein the auxiliary circuit system is composed of a current voltage source, an equivalent resistor, a wireless signal emitter and a power switch, and the current voltage source, the equivalent resistor, the wireless signal emitter and the power switch are connected to form a switching circuit loop.
3. The method for detecting and controlling the priming circuit of the wireless detonator as claimed in claim 1, wherein the testing time of the auxiliary circuit system is 80ms, and the step size of the auxiliary circuit system is 8 us.
4. The method for detecting and controlling a wireless detonator priming circuit according to claim 1, wherein the circuit voltage source generates three-phase alternating current voltages, and the three equivalent resistances are respectively used as three-phase loads of a line site.
5. The method for detecting and controlling the detonating circuit of the wireless detonator as claimed in claim 1, wherein after the auxiliary circuit system is powered on, the three-phase voltages to ground of the three phases of the line site are respectively detected by using three-phase alternating voltages and three-phase loads.
6. The method for detecting and controlling the priming circuit of the wireless detonator according to claim 1, wherein before the power-on, the voltage detection device converts the obtained three-phase voltage to ground into a first waveform diagram after receiving the wireless signal.
7. The method for detecting and controlling the priming circuit of the wireless detonator according to claim 1, wherein before the power-on, the voltage detection device converts the obtained three-phase voltage to earth voltage into a waveform diagram after receiving the wireless signal.
8. The method for detecting and controlling the priming circuit of the wireless detonator as claimed in claim 1, wherein the rated voltage of the AC voltage source is 380 volts, and the frequency of the AC voltage source is 50 HZ.
9. The method for detecting and controlling the priming circuit of the wireless detonator as claimed in claim 1, wherein the wireless signal receiver comprises a main receiver and a branch receiver, and the branch receiver receives the signal transmitted by the wireless signal transmitter and transmits the signal to the voltage detection device through the main receiver.
10. The method for detecting and controlling the detonating circuit of the wireless detonator as claimed in claim 1, wherein the models of said main and branch receivers are selected according to the number of the detonating circuit connection sites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN114353607A (en) | 2022-04-15 |
| CN114353607B CN114353607B (en) | 2023-06-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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