CN114279281B - Detonation control method of wireless detonator detonation network - Google Patents
Detonation control method of wireless detonator detonation network Download PDFInfo
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- CN114279281B CN114279281B CN202210056278.5A CN202210056278A CN114279281B CN 114279281 B CN114279281 B CN 114279281B CN 202210056278 A CN202210056278 A CN 202210056278A CN 114279281 B CN114279281 B CN 114279281B
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Abstract
The invention discloses a detonation control method of a wireless detonator detonation network, and belongs to the technical field of electronic detonators. According to the invention, the signal calibration noise reduction source base station is arranged, so that the stable signal transmission between the blasting area and the blasting control end is realized, the control precision of the wireless detonator can be improved through the node type connection distribution of the signal calibration noise reduction source base station and the wireless detonator, meanwhile, the secondary encryption processing of signal transmission can be improved through the private key switching of the signal calibration noise reduction source base station, so that the safety of blasting signal control can be effectively improved, the axial extension of the blasting control area can be ensured through the independently arranged signal calibration noise reduction source base station, meanwhile, the signal calibration noise reduction source base station is arranged outside the blasting safety area, the repeated utilization can be realized, the signal calibration noise reduction source base station can be used for improving the signal delay collection capability, and the signal output effect of delayed blasting is ensured.
Description
Technical Field
The invention belongs to the technical field of electronic detonators, and particularly relates to a detonation control method of a wireless detonator detonation network.
Background
With the development of science and technology, in the field of civil blasting, blasting articles are generally used by using detonators, the civil blasting articles comprise various types of industrial detonators (electric detonators, detonating tube detonators, digital electronic detonators and special detonators), explosives, detonators and exploders, the blasting or dismantling of mines or blasting operation is performed, the industrial detonators are mostly used in the field of industrial blasting, due to high destructiveness of the blasting articles, the processing of using full-flow control is required, and the detonators and the exploders are required to be used when the detonators are detonated, and can also be called as main controller and slave controller which are used for connecting wireless devices for detonating the detonating tube detonators, the electric detonators and the digital electronic detonators.
The wireless device realizes detonation processing of the detonator through the wireless chip, the signal communication stability of the chip plays a crucial role in detonation control, but due to the complex detonation environment, signals are easily influenced by external environment interference, and meanwhile, due to the short signal transmission effect time of the wireless detonator during detonation, the traditional detonation control method cannot well meet the processing requirement of delay control.
Disclosure of Invention
The invention aims to: the detonation control method of the wireless detonator detonation network aims to solve the problems that a signal is easily influenced by external environment interference due to complex detonation environment, and meanwhile, the signal transmission effect time is short when a wireless detonator detonates.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detonation control method of a wireless detonator detonation network specifically comprises the following steps:
s101, inputting detonation parameters to a control system at a detonation control end, and after receiving a delay expected value input by a user, arranging a calibration control chip for receiving a detonation signal at a detonation part by a wireless detonator;
s102, arranging at least one signal calibration noise reduction source base station at a safe position along the outer edge of the detonation area, receiving explosion design parameters, obtaining delay data through communication connection of the signal calibration noise reduction source base station and each wireless detonator, and transmitting the delay data to a detonation control end;
s103, after the delay frequency of each wireless detonator is obtained, the detonation control end calculates to obtain a delay threshold according to the input data of the multiple sections of delay frequencies, and sends a detonation pre-verification signal to the signal calibration noise reduction source base station according to the delay threshold;
s104, the signal calibration noise reduction source base station calculates a calibration detonation signal and a detonation condition within a controlled time threshold after obtaining the detonation pre-calibration signal, and when the detonation condition is met, the signal calibration noise reduction source base station sends the detonation signal obtained through calculation according to wireless detonator calibration information.
As a further description of the above technical solution:
and S102, when the signal calibration noise reduction source base stations are arranged in multiple groups, the signal calibration noise reduction source base stations can be in signal communication to perform classification control on multiple wireless detonators, and the signal calibration noise reduction source base stations establish control connection with at least one wireless detonator with lowest communication signal delay in the nearest region through signal comparison.
As a further description of the above technical solution:
and after the signal calibration noise reduction source base station is in control connection with at least one wireless detonator, the wireless detonator stops establishing communication with the signal of the external signal calibration noise reduction source base station, and meanwhile, the signal calibration noise reduction source base station continues to establish connection with the nearby wireless detonator.
As a further description of the above technical solution:
when the communication delay established between the signal calibration noise reduction source base station and the nearby wireless detonators is larger than the threshold value of the design parameter of the control initiation end, the control end controls other signal calibration noise reduction source base stations and the wireless detonators to try to test the connection delay, and when the control connection cannot be met finally, the initiation signal connection is stopped, and the region adjustment setting of the signal calibration noise reduction source base station is carried out.
As a further description of the above technical solution:
the method is characterized by further comprising the step of arranging an emergency stop signal sending module at the detonation control end, and when emergency happens, the emergency stop signal can skip the wireless detonator checking stage to each wireless detonator.
As a further description of the above technical solution:
the operation of the wireless detonator checking information comprises that a check code is generated by a wireless detonator chip end according to self time, when the wireless detonator is in signal communication with the detonation control end and the signal calibration noise reduction source base station, the check code can be sent to the signal calibration noise reduction source base station, a chip of the signal calibration noise reduction source base station carries out encryption operation according to the check code input by the wireless detonator to obtain a detonation control code for checking with the detonation control end, and after the detonation control end receives feedback of the detonation control code, the detonation control end sends a detonation instruction to the signal calibration noise reduction source base station to carry out detonation after checking and comparing with a server or a built-in check module.
As a further description of the above technical solution:
the check operation method of S104 is one of hash encryption and MD5 encryption.
As a further description of the above technical solution:
the signal calibration noise reduction source base station calibration signal comprises output calibration delay frequency, signal stabilization filtering noise reduction, signal amplification and key verification.
As a further description of the above technical solution:
the wireless detonator calibration control chip receives a detonation signal to perform detonation or charging and discharging operations as further description of the technical scheme:
the detonation control end also comprises records of detonation data recording logs on control personnel, detonation conditions and regional conditions.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the signal calibration noise reduction source base station is arranged, so that the stable signal transmission between the blasting area and the blasting control end is realized, the control precision of the wireless detonator can be improved through the node type connection distribution of the signal calibration noise reduction source base station and the wireless detonator, meanwhile, the secondary encryption processing of signal transmission can be improved through the private key switching of the signal calibration noise reduction source base station, so that the safety of blasting signal control can be effectively improved, the axial extension of the blasting control area can be ensured through the independently arranged signal calibration noise reduction source base station, meanwhile, the signal calibration noise reduction source base station is arranged outside the blasting safety area, the repeated utilization can be realized, the signal calibration noise reduction source base station can be used for improving the signal delay collection capability, and the signal output effect of delayed blasting is ensured.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1
The invention provides a technical scheme that: a detonation control method of a wireless detonator detonation network specifically comprises the following steps:
s101, inputting detonation parameters to a control system at a detonation control end, and after receiving a delay expected value input by a user, arranging a calibration control chip for receiving a detonation signal at a detonation part by a wireless detonator;
s102, arranging at least one signal calibration noise reduction source base station at a safe position on the outer edge of the detonation area, receiving explosion design parameters, obtaining delay data through communication connection between the signal calibration noise reduction source base station and each wireless detonator, and transmitting the delay data to a detonation control end;
s103, after the delay frequency of each wireless detonator is obtained, the detonation control end calculates to obtain a delay threshold according to the input data of the multiple sections of delay frequencies, and sends a detonation pre-verification signal to the signal calibration noise reduction source base station according to the delay threshold;
and S104, calculating a verification detonation signal and a detonation condition by the signal calibration noise reduction source base station in a controlled time threshold after obtaining the detonation pre-verification signal, and sending the detonation signal obtained by calculation according to the wireless detonator verification information when the detonation condition is met.
When the signal calibration noise reduction source base station is in control connection with at least one wireless detonator, the wireless detonator stops establishing communication with a signal of an external signal calibration noise reduction source base station, meanwhile, the signal calibration noise reduction source base station continues establishing connection with a nearby wireless detonator, when the communication delay established between the signal calibration noise reduction source base station and the nearby wireless detonator is larger than a control initiation end design parameter threshold value, the control end controls other signal calibration noise reduction source base stations and the wireless detonator to try to test connection delay, when the control connection cannot be met finally, the initiation signal connection is stopped, the area adjustment of the signal calibration noise reduction source base station is carried out, the method further comprises the step of arranging an emergency stop signal sending module at the initiation control end, and when in an emergency situation, the emergency stop signal can skip a wireless detonator calibration stage to each wireless detonator.
Example 2
The invention provides a technical scheme that: a detonation control method of a wireless detonator detonation network specifically comprises the following steps:
s101, inputting detonation parameters to a control system at a detonation control end, and after receiving a delay expected value input by a user, arranging a calibration control chip for receiving a detonation signal at a detonation part by a wireless detonator;
s102, arranging at least one signal calibration noise reduction source base station at a safe position along the outer edge of the detonation area, receiving explosion design parameters, obtaining delay data through communication connection of the signal calibration noise reduction source base station and each wireless detonator, and transmitting the delay data to a detonation control end;
s103, after the delay frequency of each wireless detonator is obtained, the detonation control end calculates to obtain a delay threshold according to the input data of the multiple sections of delay frequencies, and sends a detonation pre-verification signal to the signal calibration noise reduction source base station according to the delay threshold;
and S104, calculating a verification detonation signal and a detonation condition by the signal calibration noise reduction source base station in a controlled time threshold after obtaining the detonation pre-verification signal, and sending the detonation signal obtained by calculation according to the wireless detonator verification information when the detonation condition is met.
And S102, when the signal calibration noise reduction source base stations are arranged in multiple groups, the signal calibration noise reduction source base stations can be in signal communication to perform classification control on multiple wireless detonators, and the signal calibration noise reduction source base stations establish control connection with at least one wireless detonator with lowest communication signal delay in the nearest region through signal comparison.
Example 3
The invention provides a technical scheme that: a detonation control method of a wireless detonator detonation network specifically comprises the following steps:
s101, inputting detonation parameters to a control system at a detonation control end, and after receiving a delay expected value input by a user, arranging a calibration control chip for receiving a detonation signal at a detonation part by a wireless detonator;
s102, arranging at least one signal calibration noise reduction source base station at a safe position along the outer edge of the detonation area, receiving explosion design parameters, obtaining delay data through communication connection of the signal calibration noise reduction source base station and each wireless detonator, and transmitting the delay data to a detonation control end;
s103, after the delay frequency of each wireless detonator is obtained, the detonation control end calculates to obtain a delay threshold according to the input data of the multiple sections of delay frequencies, and sends a detonation pre-verification signal to the signal calibration noise reduction source base station according to the delay threshold;
and S104, calculating a verification detonation signal and a detonation condition by the signal calibration noise reduction source base station in a controlled time threshold after obtaining the detonation pre-verification signal, and sending the detonation signal obtained by calculation according to the wireless detonator verification information when the detonation condition is met.
The operation of the S104 wireless detonator check information comprises a check code generated by a wireless detonator chip end according to self time, when the wireless detonator is in signal communication with the detonation control end and the signal calibration noise reduction source base station, the check code can be sent to the signal calibration noise reduction source base station, a chip of the signal calibration noise reduction source base station carries out encryption operation according to the check code input by the wireless detonator to obtain a detonation control code used for checking with the detonation control end, after the detonation control end receives feedback of the detonation control code, the detonation control end is checked and compared with a server or a built-in check module and then sends a detonation instruction to the signal calibration noise reduction source base station for detonation, the check operation method of the S104 is one of Hash encryption and MD5 encryption, the signal calibration noise reduction source base station calibration signal comprises output check delay frequency, signal stabilization filtering noise reduction, signal amplification and key check, and the detonation control end further comprises the record of a detonation data record log on control personnel, detonation conditions and region conditions.
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 (9)
1. A detonation control method of a wireless detonator detonation network is characterized by comprising the following steps:
s101, inputting detonation parameters to a control system at a detonation control end, and receiving a delay expected value input by a user;
s102, arranging at least one signal calibration noise reduction source base station at a safe position along the outer edge of the detonation area, receiving explosion design parameters, obtaining delay data through communication connection of the signal calibration noise reduction source base station and each wireless detonator, and transmitting the delay data to a detonation control end;
s103, after the delay frequency of each wireless detonator is obtained, the detonation control end calculates to obtain a delay threshold according to the input data of the multiple sections of delay frequencies, and sends a detonation pre-verification signal to the signal calibration noise reduction source base station according to the delay threshold;
s104, after acquiring a detonation pre-check signal, calculating a check detonation signal and a detonation condition within a controlled time threshold by the signal calibration noise reduction source base station, and when the detonation condition is met, sending the detonation signal obtained by calculation according to wireless detonator check information;
the operation of the wireless detonator checking information comprises that a check code is generated by a chip end of the wireless detonator according to self time, when the wireless detonator is in signal communication with the detonation control end and the signal calibration noise reduction source base station, the check code can be sent to the signal calibration noise reduction source base station, a chip of the signal calibration noise reduction source base station carries out encryption operation according to the check code input by the wireless detonator to obtain a detonation control code for checking with the detonation control end, and after the detonation control end receives feedback of the detonation control code, the detonation control end sends a detonation instruction to the signal calibration noise reduction source base station to carry out detonation after passing checking and comparison with a server or a built-in check module.
2. The initiation control method of the wireless detonator priming circuit according to claim 1, wherein the step S102 further comprises the step of performing classification control of the multiple wireless detonators according to signal communication between the signal calibration noise reduction source base stations when the signal calibration noise reduction source base stations are arranged in multiple groups, and the signal calibration noise reduction source base station establishes control connection with at least one wireless detonator with the lowest communication signal delay in the nearest area through signal comparison.
3. The detonation control method of the wireless detonator detonation circuit of claim 2, wherein after the signal calibration noise reduction source base station establishes a control connection with at least one wireless detonator, the wireless detonator stops establishing communication with a signal of an external signal calibration noise reduction source base station, and the signal calibration noise reduction source base station continues to establish a connection with a nearby wireless detonator.
4. The detonation control method of the wireless detonator detonation network according to claim 1, characterized in that when the communication delay established between the signal calibration noise reduction source base station and the nearby wireless detonators is greater than the control detonation end design parameter threshold, the control end controls other signal calibration noise reduction source base stations and the wireless detonators to try to test connection delay, and when the control connection cannot be met finally, the detonation signal connection is stopped, and the area adjustment setting of the signal calibration noise reduction source base stations is performed.
5. The initiation control method of the wireless detonator initiation network according to claim 1, further comprising the step of arranging an emergency stop signal sending module at the initiation control end, wherein in case of emergency, the emergency stop signal can skip the wireless detonator verification stage to send a detonation stop signal to each wireless detonator.
6. The initiation control method of the initiation network of the wireless detonator according to claim 1, wherein the verification operation method of S104 is one of hash encryption and MD5 encryption.
7. The detonation control method of the wireless detonator priming circuit of claim 1, wherein the signal calibration noise reduction source base station verification signal comprises output verification delay frequency, signal stabilization filtering noise reduction, signal amplification and key verification.
8. The initiation control method of the wireless detonator initiation network according to claim 1, wherein the wireless detonator calibration control chip receives an initiation signal to perform initiation or charge-discharge operation.
9. The detonation control method of the wireless detonator detonation network according to claim 1, characterized in that the detonation control end further comprises a detonation data recording log for recording control personnel, detonation conditions and regional conditions.
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| CN114923385B (en) * | 2022-04-22 | 2024-04-16 | 北京伊拜科技有限责任公司 | Wireless through-the-earth communication system |
| CN114923382B (en) * | 2022-07-01 | 2024-03-08 | 深圳市卡卓无线信息技术有限公司 | Electronic detonator module test system |
| CN118211420A (en) * | 2024-04-11 | 2024-06-18 | 江苏星航智造科技有限公司 | Intelligent control method and system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576093A (en) * | 1984-04-12 | 1986-03-18 | Snyder Richard N | Remote radio blasting |
| CA2010376A1 (en) * | 1990-02-19 | 1991-08-19 | Glen Peter Ii Goffin | Method and apparatus for a calibration electronic timing circuit |
| CN101625220A (en) * | 2009-08-20 | 2010-01-13 | 北京维深数码科技有限公司 | Control method of wireless explosion system |
| WO2012061850A1 (en) * | 2010-11-04 | 2012-05-10 | Detnet South Africa (Pty) Ltd | Wireless blasting module |
| CN104502548A (en) * | 2015-01-13 | 2015-04-08 | 中国人民解放军总参谋部工程兵科研三所 | Explosion effect wirelessly distributed synchronization testing method |
| CN104596359A (en) * | 2015-01-13 | 2015-05-06 | 中国人民解放军总参谋部工程兵科研三所 | Wireless detonator based on satellite time service and WIFI (wireless fidelity) communication |
| WO2018231435A1 (en) * | 2017-06-13 | 2018-12-20 | Austin Star Detonator Company | A method and apparatus for adjustable resolution electronic detonator delay timing |
| CN109696097A (en) * | 2019-02-16 | 2019-04-30 | 华夏世昌(北京)科技有限公司 | Digital electric detonator chip and control method based on dual-wire bus |
| CN109764779A (en) * | 2019-02-06 | 2019-05-17 | 华夏世昌(北京)科技有限公司 | Digital electronic detonator initiation system and method based on two-wire bus |
| CN113804073A (en) * | 2021-08-26 | 2021-12-17 | 中北大学 | Electronic detonator detonation area safety management and anti-signal interference system and control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006207830B2 (en) * | 2005-01-24 | 2011-05-19 | Orica Australia Pty Ltd | Wireless detonator assemblies, and corresponding networks |
| WO2007124538A1 (en) * | 2006-04-28 | 2007-11-08 | Orica Explosives Technology Pty Ltd | Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof |
| WO2009143585A1 (en) * | 2008-05-29 | 2009-12-03 | Orica Explosives Technology Pty Ltd | Calibration of detonators |
| EP2391864B1 (en) * | 2009-01-28 | 2016-07-06 | Orica Explosives Technology Pty Ltd | Selective control of wireless initiation devices at a blast site |
-
2022
- 2022-01-18 CN CN202210056278.5A patent/CN114279281B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576093A (en) * | 1984-04-12 | 1986-03-18 | Snyder Richard N | Remote radio blasting |
| CA2010376A1 (en) * | 1990-02-19 | 1991-08-19 | Glen Peter Ii Goffin | Method and apparatus for a calibration electronic timing circuit |
| CN101625220A (en) * | 2009-08-20 | 2010-01-13 | 北京维深数码科技有限公司 | Control method of wireless explosion system |
| WO2012061850A1 (en) * | 2010-11-04 | 2012-05-10 | Detnet South Africa (Pty) Ltd | Wireless blasting module |
| CN104502548A (en) * | 2015-01-13 | 2015-04-08 | 中国人民解放军总参谋部工程兵科研三所 | Explosion effect wirelessly distributed synchronization testing method |
| CN104596359A (en) * | 2015-01-13 | 2015-05-06 | 中国人民解放军总参谋部工程兵科研三所 | Wireless detonator based on satellite time service and WIFI (wireless fidelity) communication |
| WO2018231435A1 (en) * | 2017-06-13 | 2018-12-20 | Austin Star Detonator Company | A method and apparatus for adjustable resolution electronic detonator delay timing |
| CN109764779A (en) * | 2019-02-06 | 2019-05-17 | 华夏世昌(北京)科技有限公司 | Digital electronic detonator initiation system and method based on two-wire bus |
| CN109696097A (en) * | 2019-02-16 | 2019-04-30 | 华夏世昌(北京)科技有限公司 | Digital electric detonator chip and control method based on dual-wire bus |
| CN113804073A (en) * | 2021-08-26 | 2021-12-17 | 中北大学 | Electronic detonator detonation area safety management and anti-signal interference system and control method |
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