Electronic detonator-based off-well blasting control network and initiation control method

By using an off-site blasting control network based on electronic detonators, remote control of underground mine blasting was achieved. This solved the problems of small working faces and unsafe detonation in underground mine blasting, improved blasting safety, ensured the safety of blasting operations, and ensured that blasting personnel were protected from fumes, shock waves, and other hazards by being far away from the blasting site.

CN115540703BActive Publication Date: 2025-12-16HUNAN FUXIN TECH CO LTD
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Patent Information

Application Number
CN202211281826.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-19
Publication Date
2025-12-16
Estimated Expiration
2042-10-19

AI Technical Summary

Technical Problem

Underground mine blasting operations are characterized by small working faces, limited detonation space, and a single detonation direction. Workers are easily injured by blasting fumes, shock waves, noise, and flying rocks. Existing pyrotechnic delay technology has difficulty controlling the delay accuracy.

Method used

An off-site blasting control network based on electronic detonators is adopted. It is connected to the intermediate controller through the ground blasting management center and uses the CAN bus protocol for data transmission. It is connected in parallel to the intermediate controller, and the intermediate controller is connected in series to the electronic detonator initiation terminal. A current loop is used for data transmission and control to realize remote initiation.

Benefits of technology

It improves the safety of blasting operations, avoids close-range operation by blasting personnel, ensures the safety of personnel, and meets the requirements for simultaneous detonation of multiple sections and cross-sections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses an off-well blasting control network and a detonation control method based on electronic detonators, which comprise a ground blasting management center, a middle section controller and electronic detonator detonation terminals; the ground blasting management center is connected with one or more middle section controllers in parallel, adopts CAN bus protocol to perform data transmission and control the middle section controller; the middle section controller is connected with the electronic detonator detonation terminals of each detonation point in the middle section in series, adopts a current loop to perform data transmission and control the electronic detonator detonation terminals, the ground blasting management center controls multiple detonation points of the middle section through the middle section controller to realize simultaneous blasting operation and manage blasting operation information, can make blasting operation personnel away from a blasting operation surface, avoid blasting operation personnel from being hurt by flying stones, noise, shock waves and gun smoke and the like, ensure the safety of blasting personnel and meet the needs of simultaneous detonation of multiple middle sections and multiple sections in underground mines, and is a safe and reliable detonation method for underground mines.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of initiation equipment blasting management, in particular to an off-well blasting control network based on electronic detonators and an initiation control method. BACKGROUND

[0002] In the past 20 years, the blasting technology has been greatly developed in the mining engineering, tunnel engineering, urban building construction and demolition engineering and other blasting engineering. For example, the large area millisecond blasting technology, the large area hole-by-hole millisecond blasting technology, the tunnel smooth blasting technology and the urban controlled blasting technology. The application of new blasting technology inevitably leads to the update and upgrade of blasting equipment.

[0003] At present, most of the industrial delay detonators use smoke delay powder to achieve delay effect. The inherent law of smoke delay powder and its uncontrollability lead to the limitation of this delay technology in improving the delay precision. Electronic delay technology can break through the limit of smoke delay technology in delay precision. With the development of microelectronic technology, computer technology, information coding technology and packaging technology, electronic delay will become the development trend of industrial delay detonator to achieve high precision delay.

[0004] In recent years, electronic detonators have been fully applied in surface mines under the vigorous promotion of relevant national departments. The application amount of electronic detonators in the country exceeded 100 million last year. With the strong support of national policy, electronic detonators have also gradually entered underground mines for excavation and stope application. The annual usage amount has also increased year by year, from the initial initiation detonator to the full use of electronic detonators.

[0005] The blasting operation of underground mines has always been an important part of mine safety production and a major difficulty of mine safety production. The point is wide and the surface is wide, which is a major feature of underground mine blasting operation. Whether it is mining or excavation, there is a small operation surface, small explosion space and single explosion direction. How to ensure that the blasting operation personnel are not harmed by the smoke, shock wave, noise and flying stones is the key and difficult problem of the organization and management of blasting operation. SUMMARY

[0006] In view of the problems of small operation surface, small and single blasting space, and the operation personnel being easily hurt by the gun smoke, shock wave, noise and flying stone in the current underground mine blasting, the application provides a blasting control network and a detonation control method based on electronic detonators, a ground blasting management center is connected with one or more middle controllers in parallel, CAN bus protocol is used for data transmission and control of the middle controllers, the middle controller is connected with the electronic detonator detonation terminal of each detonation point in the middle section in series, current loop is used for data transmission and control of the electronic detonator detonation terminal, the blasting operation personnel is not required to work in close range in the blasting process, the blasting operation management mode is improved, the safety environment of the blasting operation is improved, and the safety of the blasting operation is greatly improved.

[0007] To achieve the above object, the embodiment of the application adopts the following technical scheme:

[0008] A blasting control network based on electronic detonators, the blasting control network based on electronic detonators comprises a ground blasting management center, a middle controller and an electronic detonator detonation terminal, the ground blasting management center is connected with at least one middle controller in parallel, and CAN bus protocol is used for data transmission; the middle controller is connected with at least one electronic detonator detonation terminal in series, and current loop is used for data transmission; the electronic detonator detonation terminal is connected with at least one electronic detonator; further comprising a blasting network, the blasting network comprises the one electronic detonator detonation terminal and all the electronic detonators connected therewith.

[0009] According to one aspect of the application, the ground blasting management center comprises a controller, a network interface, a display, a CAN interface and a keyboard, and the controller is connected with the network interface, the display, the CAN interface and the keyboard.

[0010] According to one aspect of the application, the ground blasting management center is connected with a national electronic detonator password center through the network interface, for transmitting the information related to the electronic detonator and transmitting the information related to the electronic detonator to other authorized websites.

[0011] According to one aspect of the application, the ground blasting management center displays and controls the working state of the middle controller, displays the number of the electronic detonator detonation terminals connected with the middle controller and controls the working state of the electronic detonator detonation terminals through the middle controller, and displays the number and state of the electronic detonators connected with the blasting network of each electronic detonator detonation terminal.

[0012] According to one aspect of the application, the middle controller comprises a control circuit, a current loop interface circuit, a display, a CAN interface circuit and a keyboard, and the control circuit is connected with the current loop interface circuit, the display, the CAN interface circuit and the keyboard.

[0013] According to one aspect of the present application, the middle controller displays and controls the working state of the connected electronic detonator initiation terminal, displays the number and state of the electronic detonators connected to the blasting network of each electronic detonator initiation terminal.

[0014] According to one aspect of the present application, the electronic detonator initiation terminal is connected to the electronic detonator password center, transmits information related to the electronic detonator, and has the functions of transmitting information to other authorized networks, checking the blasting network before initiation, and feeding back to the middle controller.

[0015] A mine blasting initiation control method based on electronic detonators, characterized in that the mine blasting initiation control method based on electronic detonators comprises:

[0016] Searching for the number and number of online middle controllers;

[0017] Reading and displaying the number, number and number of electronic detonators of the online initiation terminal in the middle controller;

[0018] Judging whether the number of electronic detonators is consistent with the blasting operation plan;

[0019] If it is consistent with the blasting plan, issuing a blasting command and initiating;

[0020] Completing the blasting.

[0021] According to one aspect of the present application, the mine blasting initiation control method based on electronic detonators further comprises: when the number of electronic detonators is inconsistent with the blasting plan, repeating the steps of searching for the number and number of online initiation terminals, and performing the subsequent steps.

[0022] According to one aspect of the present application, the ground control center can send an initiation command to the middle controller to initiate all or specified electronic detonators connected to the electronic detonator initiation terminal in the present interruption; the middle controller can initiate all or specified electronic detonators connected to the electronic detonator initiation terminal in the middle by sending an initiation command to the electronic detonator initiation terminal; the electronic detonator initiation terminal can independently initiate the electronic detonators in the present blasting network.

[0023] The advantages of the embodiment of the present application: the present application provides an electronic detonator based off-well blasting control network and initiation control method, comprising a ground blasting management center, a middle section controller and an electronic detonator initiation terminal, the ground blasting management center is connected with one or more middle section controllers in parallel, adopts CAN bus protocol for data transmission and controls the middle section controller; the middle section controller is connected with the electronic detonator initiation terminal of each initiation point in the middle section in series, adopts current loop for data transmission and controls the electronic detonator initiation terminal, the ground blasting management center controls multiple initiation points of the middle section through the middle section controller to realize simultaneous blasting operation and manage blasting operation information, which can make the blasting operation personnel away from the blasting operation surface, avoid the blasting operation personnel from being hurt by flying stones, noise, shock wave and gun smoke, and ensure the safety of the blasting personnel, the present application can meet the demand of simultaneous initiation of multiple middle sections and multiple sections of underground mines, and is a safe and reliable initiation method for underground mines. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 A structure diagram of an electronic detonator based off-well blasting control network according to the present application;

[0026] Figure 2 A principle block diagram of a ground management center according to the present application;

[0027] Figure 3 A principle block diagram of a middle section controller according to the present application;

[0028] Figure 4 A flow chart of an electronic detonator based off-well blasting initiation control method according to the present application;

[0029] Figure 5 A flow chart of another electronic detonator based off-well blasting initiation control method according to the present application. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] AsFigure 1 As shown in the figure, an electronic detonator-based off-well blasting control network comprises a ground blasting management center, a middle section controller, and an electronic detonator initiation terminal. The ground blasting management center is connected to at least one middle section controller in parallel, and uses CAN bus protocol for data transmission and control of the middle section controller. The middle section controller is connected to at least one electronic detonator initiation terminal in series, and uses current loop for data transmission and control of the working state of the electronic detonator initiation terminal. The electronic detonator initiation terminal is connected to at least one electronic detonator, and all the electronic detonators connected to one electronic detonator initiation terminal form a blasting network.

[0032] As shown in the figure, in actual application, the ground blasting management center comprises a controller, a network interface, a display, a CAN interface, and a keyboard. The controller is connected to the network interface, the display, the CAN interface, and the keyboard. Figure 2 In actual application, the ground blasting management center is connected to a national electronic detonator password center through the network interface, for transmission of information related to the electronic detonator, and transmission of related information to other authorized websites.

[0033] In actual application, the ground blasting management center displays and controls the working state of the middle section controller, displays the number of electronic detonator initiation terminals connected to the middle section controller, and controls the working state of the electronic detonator initiation terminals through the middle section controller, and displays the number and state of the electronic detonators connected to each electronic detonator initiation terminal.

[0034] In actual application, the ground blasting management center is connected to the CAN bus through the CAN interface, and uses CAN bus protocol for data transmission and control of the middle section controller.

[0035] As shown in the figure, in actual application, the middle section controller comprises a control circuit, a current loop interface circuit, a display, a CAN interface circuit, and a keyboard. The control circuit is connected to the current loop interface circuit, the display, the CAN interface circuit, and the keyboard.

[0036] Figure 3 In actual application, the middle section controller is connected to the CAN bus through the CAN interface, and uses CAN bus protocol for data transmission with the ground blasting management center, and accepts control of the ground blasting management center.

[0037] In actual application, the middle section controller realizes connection of the control circuit to the electronic detonator initiation terminals of each initiation point in the middle section through the current loop interface circuit, and performs data transmission with the electronic detonator initiation terminals and controls the working state thereof.

[0038]

[0039] ​​In practical application, the middle section controller displays and controls the working state of the connected electronic detonator initiation terminal, displays the number and state of the electronic detonators connected to the electronic detonator initiation terminal of the blasting network.

[0040] In practical application, the electronic detonator initiation terminal is connected to the middle section controller through wire and transmits data, receives and executes the initiation instruction sent by the middle section controller.

[0041] In practical application, the electronic detonator initiation terminal is connected to the electronic detonator password center, transmits the information related to the electronic detonator, and has the functions of transmitting the information to other authorized network, checking the blasting network before initiation and feeding back to the middle section controller.

[0042] Embodiment 1

[0043] As shown in Figure 4 A mine blasting initiation control method based on electronic detonator, characterized in that the mine blasting initiation control method based on electronic detonator comprises:

[0044] searching the number and number of online middle section controllers;

[0045] reading and displaying the number, number and number of electronic detonators of the online initiation terminal in the middle section controller;

[0046] determining whether the number of electronic detonators is consistent with the blasting operation plan;

[0047] if consistent with the blasting plan, issuing a blasting instruction and initiating;

[0048] completing blasting.

[0049] In practical application, the mine blasting initiation control method based on electronic detonator further comprises: when the number of electronic detonators is inconsistent with the blasting plan, repeating the step of searching the number and number of online initiation terminals, and performing the subsequent steps.

[0050] In practical application, the ground blasting management center can send initiation instruction to the middle section controller to initiate all or specified electronic detonators connected to the electronic detonator initiation terminal in the middle section; the middle section controller can send initiation instruction to the electronic detonator initiation terminal to initiate all or specified electronic detonators connected to the electronic detonator initiation terminal in the middle section; the electronic detonator initiation terminal can independently initiate the electronic detonator in the blasting network.

[0051] In practical application, when starting the blasting operation, the ground blasting management center performs the start-up step, starts the controller and display of the ground control management center, starts the control circuit and display of the middle section controller, and performs preliminary debugging.

[0052] In practical application, the ground blasting management center executes the shutdown step after the blasting operation is completed, and the controller and display of the ground control management center are turned off, and the control circuit and display of the middle controller are turned off.

[0053] Embodiment 2

[0054] As shown in Figure 5 A mine blasting initiation control method based on electronic detonator, characterized in that the mine blasting initiation control method based on electronic detonator comprises:

[0055] searching the number and serial number of online initiation terminals;

[0056] reading and displaying the number of electronic detonators in the online initiation terminals;

[0057] judging whether the number of electronic detonators is consistent with the blasting operation plan;

[0058] if consistent with the blasting plan, judging whether it is a single blasting of the terminal;

[0059] if it is a single blasting of the terminal, issuing a blasting command and initiating;

[0060] completing the blasting.

[0061] In practical application, the mine blasting initiation control method based on electronic detonator further comprises: when the number of electronic detonators is inconsistent with the blasting plan, repeating the step of searching the number and serial number of online initiation terminals, and performing the subsequent steps.

[0062] In practical application, the mine blasting initiation control method based on electronic detonator further comprises: if it is not a single blasting of the terminal, waiting for the instruction of the middle controller, when the instruction of the middle controller is accepted, issuing a blasting command and initiating, and completing the blasting.

[0063] In practical application, the middle controller executes the startup step when the blasting operation starts, starts the control circuit and display, and performs preliminary debugging.

[0064] In practical application, the middle controller executes the shutdown step when the blasting operation is completed, and the control circuit and display are turned off.

[0065] The application provides an electronic detonator-based off-well blasting control network and a detonation control method.

[0066] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An electronic cap-based offsite blast control network, characterized in that, The electronic detonator-based mine blasting control network comprises a ground blasting management center, a middle section controller and an electronic detonator initiation terminal, the ground blasting management center is connected with at least one middle section controller in parallel and adopts CAN bus protocol for data transmission; the ground blasting management center displays and controls the working state of the middle section controller, displays the number of the electronic detonator initiation terminals connected with the middle section controller and controls the working state of the electronic detonator initiation terminals through the middle section controller, and displays the number and state of the electronic detonators connected with each electronic detonator initiation terminal in the blasting network; the middle section controller comprises a control circuit, a current loop interface circuit, a display, a CAN interface circuit and a keyboard, the control circuit is connected with the current loop interface circuit, the display, the CAN interface circuit and the keyboard; the middle section controller is connected with at least one electronic detonator initiation terminal in series and adopts current loop for data transmission; the middle section controller displays and controls the working state of the connected electronic detonator initiation terminals, and displays the number and state of the electronic detonators connected with each electronic detonator initiation terminal in the blasting network; the electronic detonator initiation terminal is connected with at least one electronic detonator; further comprising a blasting network, the blasting network comprises the electronic detonator initiation terminal and all the electronic detonators connected therewith.

2. An electronic detonator based off- well blast control network according to claim 1, characterized in that, The ground blasting management center comprises a controller, a network interface, a display, a CAN interface and a keyboard, the controller is connected with the network interface, the display, the CAN interface and the keyboard.

3. An electronic detonator based off- well blast control network according to claim 2, wherein, The ground blasting management center is connected with a national electronic detonator password center through the network interface, for transmitting information related to the electronic detonator and transmitting relevant information to other authorized websites.

4. An electronic detonator based off- well blast control network according to claim 1, wherein, The electronic detonator initiation terminal is connected with the electronic detonator password center, for transmitting information related to the electronic detonator, and has the functions of transmitting relevant information to other authorized networks, checking the blasting network before initiation and feeding back to the middle section controller.

5. An electronic cap based off- well shooting initiation control method, characterized in that, The electronic detonator-based off-well blasting control network according to any one of claims 1 to 4 comprises: searching the number and number of online middle section controllers; reading and displaying the number, number and number of electronic detonators of online initiation terminals in the middle section controller; judging whether the number of electronic detonators is consistent with the blasting operation plan; if consistent with the blasting plan, issuing a blasting instruction and initiating; completing the blasting.

6. The electronic detonator based off-well shooting initiation control method according to claim 5, characterized in that, The electronic detonator-based mine blasting initiation control method further comprises: when the number of electronic detonators is inconsistent with the blasting plan, repeating the steps of searching the number and number of online initiation terminals and performing the subsequent steps.

7. The electronic detonator based off-well shooting initiation control method according to claim 5, characterized in that, The ground blasting management center sends an initiation instruction to the middle section controller to initiate all or specified electronic detonators connected with the electronic detonator initiation terminals in the middle section controller; the middle section controller sends an initiation instruction to the electronic detonator initiation terminal to initiate all or specified electronic detonators connected with the electronic detonator initiation terminals in the middle section; the electronic detonator initiation terminal independently initiates the electronic detonators in the blasting network.

Citation Information

Patent Citations

  • Digital electronic detonator large-scale priming system for engineering blasting and method thereof

    CN103115536A