CN114152157B - Excitation self-checking system for on-line state of digital electronic detonator - Google Patents

Excitation self-checking system for on-line state of digital electronic detonator Download PDF

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CN114152157B
CN114152157B CN202111449185.0A CN202111449185A CN114152157B CN 114152157 B CN114152157 B CN 114152157B CN 202111449185 A CN202111449185 A CN 202111449185A CN 114152157 B CN114152157 B CN 114152157B
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module
digital electronic
detection
serial port
electronic detonator
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CN114152157A (en
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韩焱
李凯
边瑞卿
韩星程
庞存锁
苏新彦
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North University of China
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C21/00—Checking fuzes; Testing fuzes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/12—Primers; Detonators electric
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The invention relates to the field of digital electronic detonator detection, and discloses an excitation self-checking system of the online state of a digital electronic detonator, which realizes the communication between a handheld device and the electronic detonator through a first two-bus communication serial port module and a second two-bus communication serial port module; the digital electronic detonator detection module completes the state detection of the ignition head after receiving the instruction; the terminal control module is used for sending an instruction and displaying a state detection result of the ignition head. According to the invention, the handheld equipment of the user in the blasting area is connected to the digital electronic Lei Guanqun, and the excitation self-check in an on-line state is performed before the digital electronic detonator is detonated through simulation, so that the safety of personnel entering the blasting area is ensured, and the engineering operation efficiency is improved.

Description

Excitation self-checking system for on-line state of digital electronic detonator
Technical Field
The invention relates to the field of digital electronic detonator detection, in particular to an excitation self-checking system for the online state of a digital electronic detonator.
Background
With the continuous development and perfection of electronic detonator technology, in the blasting field, digital electronic detonators have the advantages of safe control and accurate blasting time compared with traditional detonators, and have gradually replaced traditional detonators. The existing digital electronic detonator is connected with the exploder to be directly detonated after being installed, and the exploder and the digital electronic detonator ignition system are not detected.
Disclosure of Invention
In view of the above, the invention aims to provide an excitation self-checking system for the on-line state of a digital electronic detonator, which can detect the state of a detonation system before the detonation of the digital electronic detonator, thereby improving the efficiency and the safety of the blasting construction operation.
In order to achieve the above object, the following technical scheme is adopted:
the excitation self-checking system of the digital electronic detonator on-line state comprises handheld equipment and the digital electronic detonator;
the handheld device comprises a terminal control module and a first two-bus communication serial port module, wherein the first two-bus communication serial port module is used for sending a detection instruction sent by the terminal control module to the digital electronic detonator and transmitting a received detection result of the digital electronic detonator to the terminal control module, and the terminal control module is used for sending the detection instruction and displaying the detection result of the digital electronic detonator;
the digital electronic detonator comprises a second two-bus communication serial port module, a detection module and an ignition head, wherein the second two-bus communication serial port module is respectively connected with the detection module and the first two-bus communication serial port module, the communication between the handheld device terminal control module and the digital electronic detonator detection module is realized through the first two-bus communication serial port module and the second two-bus communication serial port module, the detection module comprises a detection resistor and a second signal processing module, the detection resistor is connected with the ignition head in parallel, the second signal processing module and the detection resistor form a closed loop, and the second signal processing module is used for sending low-voltage high-frequency signals far lower than detonation voltage and detecting currents of the ignition head and a detection resistor parallel circuit, and because the ignition head has impedance characteristics in normal operation, if the ignition head fails, the circuit impedance is as follows:
Z 1 ＝R (1)
when the ignition head can work normally, the circuit impedance is:
Figure GDA0004110847480000021
from the above formula, it can be seen that:
Figure GDA0004110847480000022
wherein Z is 1 Z is the circuit impedance in the event of a fault in the ignition head 2 The circuit impedance is the circuit impedance in normal operation, C is the analog capacitance of the ignition head, R is the resistance value of the detection resistor, f is the frequency of the high-frequency signal sent by the signal processing module, I R1 When the ignition head fails, the current value passing through the detection resistor is I R2 When the ignition head works normally, the current value I of the detection resistor is equal to C1 When the ignition head fails, the current value passing through the ignition head is I C1 Is zero, I C2 When the ignition head works normally, the current value passing through the ignition head is the voltage value of the detection excitation signal;
therefore, when the ignition head can work normally, the low-voltage high-frequency signal far lower than the detonation voltage sent by the second signal processing module can pass through the ignition head, so that the current passing through the detection resistor has two results: 1. returning to the second signal processing module to enable the current of the second signal processing module to be consistent with that of the detection resistor, and indicating that the ignition head fails; 2. the current returned to the second signal processing module is the superposition of the current passing through the detection resistor and the ignition head, which indicates that the ignition head can work normally.
As a further improvement of the invention, the terminal control module comprises a first signal processing module, a first coding module, a first decoding module and a display module, wherein the first coding module and the first decoding module are respectively connected with the first signal processing module and the first two-bus communication serial port module, the first signal processing module is connected with the display module, the first coding module is used for coding a detection instruction sent by the first signal processing module and then transmitting the detection instruction to the first two-bus communication serial port module, the first decoding module is used for decoding a feedback signal of the digital electronic detonator detection module and transmitting the feedback signal to the first signal processing module, and the first signal processing module is used for transmitting a detection result of the digital electronic detonator to the display module for display.
As a further improvement of the invention, the first two-bus communication serial port module and the second two-bus communication serial port module are completely identical, two wires are respectively arranged, one wire combines the power supply wire and the signal wire into one, the two wires are used as reference ground wires of power supply and signals, the other wire is three-purpose, and the other wire is used as a power supply wire, a signal transmission wire and a signal receiving wire, so that the communication between the terminal control module of the handheld device and the digital electronic detonator detection module is completed.
As a further improvement of the invention, the first two-bus communication serial port module is connected with a power supply, the second two-bus communication serial port module is connected with a power taking module, and the first two-bus communication serial port module and the second two-bus communication serial port module both comprise two bus sub-stations and a serial port module connected with the two bus sub-stations.
As a further improvement of the invention, the second signal processing includes a second encoding module, a second decoding module and a control module, wherein the second encoding module is used for encoding an output signal of the control module and transmitting the encoded output signal to the second bus communication serial port module, the second decoding module is used for decoding a detection instruction sent by the handheld device and transmitting the detection instruction to the control module, and the control module is used for sending a low-voltage high-frequency signal far lower than the detonation voltage.
The beneficial effects of the invention are as follows: the invention provides a high-efficiency and safe detection method before the detonation of the digital electronic detonator, and improves the efficiency and safety of the digital electronic detonator in engineering application. The invention can connect the handheld equipment of the user in the blasting area to the digital electronic Lei Guanqun, and by simulating the excitation self-check in an on-line state before the digital electronic detonator is detonated, the safety of personnel entering the blasting area is ensured, and the engineering operation efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structural composition of the present invention;
FIG. 2 is a schematic diagram of the principles of the present invention;
fig. 3 is a general flow diagram of the present invention.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
1-2, an excitation self-checking system of the on-line state of the digital electronic detonator comprises a handheld device and the digital electronic detonator;
the handheld device comprises a terminal control module and a first two-bus communication serial port module, wherein the first two-bus communication serial port module is used for sending a detection instruction sent by the terminal control module to the digital electronic detonator and transmitting a received detection result of the digital electronic detonator to the terminal control module, and the terminal control module is used for sending the detection instruction and displaying the detection result of the digital electronic detonator;
the digital electronic detonator comprises a second two-bus communication serial port module, a detection module and an ignition head, wherein the second two-bus communication serial port module is respectively connected with the detection module and the first two-bus communication serial port module, the communication between the handheld device terminal control module and the digital electronic detonator detection module is realized through the first two-bus communication serial port module and the second two-bus communication serial port module, the detection module comprises a detection resistor and a second signal processing module, the detection resistor is connected with the ignition head in parallel, the second signal processing module and the detection resistor form a closed loop, and the second signal processing module is used for sending a low-voltage high-frequency signal far lower than the detonation voltage and detecting the current of the circuit, and because the ignition head has impedance characteristics in normal operation, if the ignition head fails, the circuit impedance is as follows:
Z 1 ＝R (1)
when the ignition head can work normally, the circuit impedance is:
Figure GDA0004110847480000051
from the above formula, it can be seen that:
Figure GDA0004110847480000052
wherein Z is 1 Z is the circuit impedance in the event of a fault in the ignition head 2 The circuit impedance is the circuit impedance in normal operation, C is the analog capacitance of the ignition head, R is the resistance value of the detection resistor, f is the frequency of the high-frequency signal sent by the signal processing module, I R1 When the ignition head fails, the current value passing through the detection resistor is I R2 When the ignition head works normally, the current value I of the detection resistor is equal to C1 When the ignition head fails, the current value passing through the ignition head is I C1 Is zero, I C2 When the ignition head works normally, the current value passing through the ignition head is the voltage value of the detection excitation signal;
therefore, when the ignition head can work normally, the low-voltage high-frequency signal far lower than the detonation voltage sent by the second signal processing module can pass through the ignition head, so that the current passing through the detection resistor has two results: 1. returning to the second signal processing module to enable the current of the second signal processing module to be consistent with that of the detection resistor, and indicating that the ignition head fails; 2. the current returned to the second signal processing module is the superposition of the current passing through the detection resistor and the ignition head, which indicates that the ignition head can work normally.
The terminal control module comprises a first signal processing module, a first coding module, a first decoding module and a display module, wherein the first coding module and the first decoding module are respectively connected with the first signal processing module and the first two-bus communication serial port module, the first signal processing module is connected with the display module, the first coding module is used for coding a detection instruction sent by the first signal processing module and then transmitting the detection instruction to the first two-bus communication serial port module, the first decoding module is used for decoding a feedback signal of the digital electronic detonator detection module and transmitting the feedback signal to the first signal processing module, and the first signal processing module is used for transmitting a detection result of the digital electronic detonator to the display module for display.
The first two-bus communication serial port module and the second two-bus communication serial port module are completely identical, two wires are arranged, one wire combines a power supply wire and a signal wire into one, the two wires serve as reference ground wires of a power supply and a signal, the other wire serves as a three-purpose wire, and the other wire serves as a power supply wire, a signal transmission wire and a signal receiving wire to complete communication between a terminal control module of the handheld device and a digital electronic detonator detection module.
The first two-bus communication serial port module is connected with a power supply, the second two-bus communication serial port module is connected with an electricity taking module, and the first two-bus communication serial port module and the second two-bus communication serial port module both comprise two bus sub-stations and a serial port module connected with the two bus sub-stations.
The second signal processing comprises a second coding module, a second decoding module and a control module, wherein the second coding module is used for coding an output signal of the control module and transmitting the output signal to the second bus communication serial port module, the second decoding module is used for decoding a detection instruction sent by the handheld device and transmitting the detection instruction to the control module, and the control module is used for sending a low-voltage high-frequency signal far lower than the detonation voltage.
When the digital electronic detonator ignition device is used, as shown in fig. 3, the handheld device is connected with the electronic Lei Guanqun, a detection instruction is sent to the digital electronic detonator through the handheld device, the digital electronic detonator decodes the detection instruction sent by the handheld device through the second decoding module, then the detection module sends a low-voltage high-frequency signal far lower than the initiation voltage to detect the state of the ignition head, if the return signal of the detection module is consistent with the sent signal, the digital electronic detonator is indicated to be faulty, if the return signal of the detection module is inconsistent with the sent signal, the digital electronic detonator is indicated to be good, the detection module transmits the detection result of the detected digital electronic detonator to the handheld device through the second bus communication serial port module, and the state of the digital electronic detonator ignition head is displayed through the handheld device.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, component disassembly, or combination thereof, etc. that falls within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (5)

1. The excitation self-checking system of the digital electronic detonator on-line state comprises handheld equipment and the digital electronic detonator, and is characterized in that: the handheld device comprises a terminal control module and a first two-bus communication serial port module, wherein the first two-bus communication serial port module is used for sending a detection instruction sent by the terminal control module to the digital electronic detonator and transmitting a received detection result of the digital electronic detonator to the terminal control module, and the terminal control module is used for sending the detection instruction and displaying the detection result of the digital electronic detonator;
the digital electronic detonator comprises a second two-bus communication serial port module, a detection module and an ignition head, wherein the second two-bus communication serial port module is respectively connected with the detection module and the first two-bus communication serial port module, the communication between the handheld device terminal control module and the digital electronic detonator detection module is realized through the first two-bus communication serial port module and the second two-bus communication serial port module, the detection module comprises a detection resistor and a second signal processing module, the detection resistor is connected with the ignition head in parallel, the second signal processing module and the detection resistor form a closed loop, and the second signal processing module is used for sending a low-voltage high-frequency signal far lower than the detonation voltage and detecting the current of the circuit, and because the ignition head has impedance characteristics in normal operation, if the ignition head fails, the circuit impedance is as follows:
Z 1 ＝R (1)
when the ignition head can work normally, the circuit impedance is:
Figure FDA0004110847470000011
from the above formula, it can be seen that:
Figure FDA0004110847470000012
wherein Z is 1 Z is the circuit impedance in the event of a fault in the ignition head 2 The circuit impedance is the circuit impedance in normal operation, C is the analog capacitance of the ignition head, R is the resistance value of the detection resistor, f is the frequency of the high-frequency signal sent by the signal processing module, I R1 When the ignition head fails, the current value passing through the detection resistor is I R2 When the ignition head works normally, the current value I of the detection resistor is equal to C1 When the ignition head fails, the current value passing through the ignition head is I C1 Is zero, I C2 When the ignition head works normally, the current value passing through the ignition head is the voltage value of the detection excitation signal;
therefore, when the ignition head can work normally, the low-voltage high-frequency signal far lower than the detonation voltage sent by the second signal processing module can pass through the ignition head, so that the current passing through the detection resistor has two results: 1. returning to the second signal processing module to enable the current of the second signal processing module to be consistent with that of the detection resistor, and indicating that the ignition head fails; 2. the current returned to the second signal processing module is the superposition of the current passing through the detection resistor and the ignition head, which indicates that the ignition head can work normally.
2. The excitation self-checking system of digital electronic detonator online status of claim 1, wherein: the terminal control module comprises a first signal processing module, a first coding module, a first decoding module and a display module, wherein the first coding module and the first decoding module are respectively connected with the first signal processing module and the first two-bus communication serial port module, the first signal processing module is connected with the display module, the first coding module is used for coding a detection instruction sent by the first signal processing module and then transmitting the detection instruction to the first two-bus communication serial port module, the first decoding module is used for decoding a feedback signal of the digital electronic detonator detection module and transmitting the feedback signal to the first signal processing module, and the first signal processing module is used for transmitting a detection result of the digital electronic detonator to the display module for display.
3. The excitation self-checking system of digital electronic detonator online status of claim 1, wherein: the first two-bus communication serial port module and the second two-bus communication serial port module are completely identical, two wires are arranged, one wire combines a power supply wire and a signal wire into one, the two wires serve as reference ground wires of a power supply and a signal, the other wire serves as a three-purpose wire, and the other wire serves as a power supply wire, a signal transmission wire and a signal receiving wire to complete communication between a terminal control module of the handheld device and a digital electronic detonator detection module.
4. The excitation self-checking system of digital electronic detonator online status of claim 1, wherein: the first two-bus communication serial port module is connected with a power supply, the second two-bus communication serial port module is connected with an electricity taking module, and the first two-bus communication serial port module and the second two-bus communication serial port module both comprise two bus sub-stations and a serial port module connected with the two bus sub-stations.
5. The excitation self-checking system of digital electronic detonator online status of claim 1, wherein: the second signal processing module comprises a second coding module, a second decoding module and a control module, wherein the second coding module is used for coding an output signal of the control module and transmitting the output signal to the second bus communication serial port module, the second decoding module is used for decoding a detection instruction sent by the handheld device and transmitting the detection instruction to the control module, and the control module is used for sending a low-voltage high-frequency signal far lower than the detonation voltage.
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US7107908B2 (en) * 2003-07-15 2006-09-19 Special Devices, Inc. Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator
CN101644916B (en) * 2009-07-13 2012-08-08 北京铱钵隆芯科技有限责任公司 Detection and control method of priming circuit for electronic detonator
CN102445116B (en) * 2011-09-21 2013-10-09 太原新欣微电科技有限公司 Nondestructive detection method and nondestructive detector for industrial electronic detonator
CN103185489B (en) * 2011-12-31 2016-04-13 贵州久联民爆器材发展股份有限公司 The detection method of head of electronic detonator welding quality and device
CN103134400B (en) * 2013-02-08 2015-06-24 前进民爆股份有限公司 Small digital electronic detonator online testing and detonation system and method
CN111238320B (en) * 2020-01-17 2022-02-22 深圳雪峰电子有限公司 On-site detection method and device for electronic detonator

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