Anti-interference method, device and equipment for wireless detonation of electronic detonator and medium

Abstract

The invention relates to an anti-interference method, device and equipment for wireless detonation of an electronic detonator and a medium. The anti-interference method for wireless detonation of the electronic detonator comprises the following steps: determining a current detonator and a first wireless signal frequency band of the current detonator; acquiring a second wireless signal frequency band of the associated detonator; comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether same-frequency interference generation information exists or not, if it is monitored that the same-frequency interference generation information still exists, screening out a corresponding electronic detonator, determining a corresponding frequency band control signal, and sending the corresponding frequency band control signal to the electronic detonator; or controlling the corresponding electronic detonator to execute frequency hopping operation according to the new preset standby frequency band. Signal frequency bands between the detonators are monitored and analyzed in real time, same-frequency interference is detected in time, frequency hopping operation is triggered, the detonators are switched to preset or newly-added standby frequency bands, and the influence of interference on detonation signals is avoided. The system can continuously evaluate the duration of interference, and generates a frequency band control signal to guide the frequency switching of the detonator when necessary.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-interference for wireless detonation of electronic detonators, and in particular to an anti-interference method, device, equipment and medium for wireless detonation of electronic detonators. Background Art

[0002] In traditional electronic detonator wireless initiation systems, anti-interference capability has always been a highly concerned issue. Due to the lack of effective anti-interference measures, traditional systems are susceptible to co-frequency interference when facing complex electromagnetic environments, resulting in safety hazards such as initiation failure or delay. Specifically, when multiple electronic detonators operate in the same wireless signal frequency band, the signals between them will interfere with each other, causing communication quality to deteriorate or even be interrupted. In addition, the traditional system's monitoring and processing of interference is relatively lagging, and it is unable to respond to rapidly changing interference situations in a timely manner, further increasing the risk of initiation. Therefore, the disadvantages of traditional electronic detonator wireless initiation systems in anti-interference limit their reliability and stability in actual engineering applications. Summary of the invention

[0003] In order to solve the safety problems of detonation failure and delay caused by co-frequency interference during the wireless detonation of electronic detonators, the present application provides an anti-interference method, device, equipment and medium for wireless detonation of electronic detonators.

[0004] The above-mentioned invention objective of the present application is achieved through the following technical solutions: The anti-interference method for wireless detonation of electronic detonators, wherein the electronic detonators are electrically connected to a central control module, and the anti-interference method for wireless detonation of electronic detonators comprises: Determine a current detonator and a first wireless signal frequency band of the current detonator; Determine an associated detonator according to the current detonator, and obtain a second wireless signal frequency band of the associated detonator; Comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band; If it is detected that the co-channel interference occurrence information still exists, determine whether the duration parameter in the co-channel interference occurrence information is greater than the preset duration threshold, if not, continue monitoring; If so, the corresponding electronic detonators are screened out, and the corresponding frequency band control signal is determined based on the screened electronic detonators. The frequency band control signal is used to control the corresponding electronic detonator to perform frequency hopping operation according to its own preset backup frequency band, or to add a new preset backup frequency band, and control the corresponding electronic detonator to perform frequency hopping operation according to the new preset backup frequency band.

[0005] By adopting the above technical solution, the anti-interference method effectively improves the anti-interference performance of the electronic detonator wireless initiation system through an intelligent frequency band management strategy. It can monitor and analyze the signal frequency bands between detonators in real time, detect the same-frequency interference in time and trigger the frequency hopping operation, so that the detonator switches to the preset or newly added spare frequency band, thereby avoiding the influence of interference on the initiation signal. At the same time, the system can continuously evaluate the duration of the interference and generate a frequency band control signal to guide the frequency switching of the detonator when necessary. This comprehensive anti-interference mechanism significantly enhances the reliability of the system, reduces the risk of initiation failure, and provides a safer and more stable initiation solution for engineering applications.

[0006] In a preferred example, the present application may be further configured as follows: the step of determining the associated detonator according to the current detonator includes: Determine, according to the first wireless signal frequency band, a corresponding anti-interference distance threshold, where the anti-interference distance threshold is a maximum distance that can maintain reliable communication and avoid co-frequency interference; Obtain wireless signals from the surrounding environment and calculate the signal strength and arrival direction of each wireless signal; Calculating the associated distance between each wireless signal source and the current detonator according to the signal strength and the arrival direction; The association distance is compared with the anti-interference distance threshold, and if the association distance is less than or equal to the anti-interference distance threshold, it is determined that the wireless signal source corresponding to the wireless signal is an associated detonator.

[0007] By adopting the above technical solution, the strength, direction and distance of the surrounding wireless signals from the current detonator are measured and calculated to determine the associated detonators with co-frequency interference, thereby achieving accurate positioning and identification of potential interference sources.

[0008] In a preferred example, the present application may be further configured as follows: the step of comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information on the occurrence of co-frequency interference, and controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset spare frequency band according to the information on the occurrence of co-frequency interference, includes: Comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is frequency band overlap or potential co-frequency interference; If there is information about the occurrence of co-frequency interference, an unused preset spare frequency band is selected from a plurality of preset spare frequency bands of the current detonator as a new first wireless signal frequency band, and a corresponding frequency hopping operation is performed according to the new first wireless signal frequency band; If there is no information on the occurrence of co-channel interference, the first wireless signal frequency band is kept unchanged, a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band is established, and corresponding historical samples are generated and stored according to the mapping relationship.

[0009] By adopting the above technical solution and comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band, the system can accurately determine whether there is co-frequency interference, and intelligently select unused spare frequency bands for frequency hopping operations according to the interference situation to avoid the impact of interference on communications; at the same time, for situations without interference, the system will establish a mapping relationship between frequency bands and save historical samples to provide data support for subsequent interference prediction and avoidance.

[0010] In a preferred example, the present application may be further configured as follows: after the step of generating and storing the corresponding historical samples, the following steps may be further included: Performing quality analysis on the first wireless signal frequency band, where the quality analysis criteria include signal strength, signal-to-noise ratio, and bit error rate; Determining a preset signal quality threshold according to the project standard; Comparing the preset signal quality threshold with a corresponding standard parameter in the first wireless signal frequency band to generate a corresponding verification result; According to the verification result, it is determined whether to re-perform the frequency hopping operation of the current detonator.

[0011] By adopting the above technical solution, the quality analysis result of the first wireless signal frequency band is compared with the preset signal quality threshold, the communication quality is evaluated in real time, and based on the verification result, it is decided whether the frequency hopping operation of the current detonator needs to be re-performed to ensure the stability and reliability of signal transmission.

[0012] In a preferred example, the present application may be further configured as follows: the step of screening out corresponding electronic detonators and determining corresponding frequency band control signals according to the screened electronic detonators includes: According to the current detonator, determining that a signal source whose associated distance of the current detonator is greater than the anti-interference distance threshold is an unassociated detonator, and determining a third wireless signal frequency band of the unassociated detonator; According to the first wireless signal frequency band, the second wireless signal frequency band and the third wireless signal frequency band, determining whether frequency band interference occurs and whether the information on the occurrence of co-frequency interference can be eliminated through frequency hopping operation; If yes, then based on the first wireless signal frequency band, select the first detonator to be adjusted from the unassociated detonators, and determine the new third wireless signal frequency band of the first detonator to be adjusted, select the second detonator to be adjusted from the associated detonators, and determine the new second wireless signal frequency band of the second detonator to be adjusted; Determining a corresponding frequency band control signal according to the new third wireless signal frequency band and the new second wireless signal frequency band; If not, a new preset spare frequency band is added, and a corresponding frequency band control signal is determined according to the new preset spare frequency band.

[0013] By adopting the above technical solution, the signal frequency bands of associated detonators and unassociated detonators are intelligently screened and adjusted to determine whether co-frequency interference can be eliminated through frequency hopping operation, and generate corresponding frequency band control signals based on the judgment results to effectively avoid co-frequency interference or add new spare frequency bands to ensure communication quality.

[0014] In a preferred example, the present application may be further configured as follows: if not, then adding a new preset spare frequency band, and determining the corresponding frequency band control signal according to the new preset spare frequency band, including: Pushing an interactive window for displaying the interference of the frequency band; Acquire user interaction content, and load a new preset backup frequency band according to the user interaction content; According to the new preset spare frequency band, a corresponding frequency band control signal is determined.

[0015] By adopting the above technical solution, a user interaction interface is provided to display the frequency band interference situation and allow the user to participate in the process of adding a preset backup frequency band, thereby generating a corresponding frequency band control signal, thereby enhancing the flexibility of the system and user participation to better cope with complex interference scenarios.

[0016] The second object of the invention is achieved by the following technical solutions: An anti-interference device for wireless detonation of electronic detonators, the anti-interference device for wireless detonation of electronic detonators comprising: A first determination module, used to determine a current detonator and a first wireless signal frequency band of the current detonator; A second determination module is used to determine an associated detonator according to the current detonator, and obtain a second wireless signal frequency band of the associated detonator; A comparison and analysis module, used for comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information of co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset spare frequency band; A judgment module, for judging whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold if the co-channel interference occurrence information is still detected, and if not, continuing the monitoring; The third determination module is used to screen out the corresponding electronic detonators, and determine the corresponding frequency band control signal based on the screened electronic detonators, wherein the frequency band control signal is used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset backup frequency bands, or to add new preset backup frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset backup frequency bands.

[0017] The third objective of the present application is achieved through the following technical solutions: A computer device comprises a memory, a processor and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the anti-interference method for wireless detonation of electronic detonators are implemented.

[0018] The fourth objective of the present application is achieved through the following technical solutions: A computer-readable storage medium stores a computer program, which, when executed by a processor, implements the steps of the above-mentioned anti-interference method for wireless detonation of electronic detonators.

[0019] In summary, the present application includes at least one of the following beneficial technical effects: 1. This anti-interference method effectively improves the anti-interference ability of the electronic detonator wireless initiation system through an intelligent frequency band management strategy. It can monitor and analyze the wireless signal frequency bands between detonators in real time, detect the same-frequency interference in time and trigger the frequency hopping operation, so that the detonator switches to the backup frequency band to keep the communication smooth. At the same time, the system also has the ability to continuously monitor and judge the duration of interference. When the interference persists, it can automatically screen the affected detonators and generate control signals to guide them to perform frequency hopping operations or add backup frequency bands, so as to flexibly avoid interference and ensure the accurate transmission of the detonation command, thereby improving the reliability and safety of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a flow chart of an anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application.

[0021] Figure 2 It is a flowchart for implementing step S20 in the anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application; Figure 3 It is a flowchart for implementing step S30 in the anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application; Figure 4 is another implementation flow chart of step S30 in the anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application; Figure 5It is a flowchart for implementing step S50 in the anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application; Figure 6 It is a flow chart for implementing step S505 in the anti-interference method for wireless initiation of electronic detonators in one embodiment of the present application; Figure 7 It is a principle block diagram of an anti-interference device for wireless detonation of electronic detonators in one embodiment of the present application; Figure 8 It is a block diagram of an existing networking method of a traditional electronic detonator in one embodiment of the present application; Fig. 9 It is a block diagram of each module in an electronic detonator using wireless communication in one embodiment of the present application; Fig.10 It is a schematic diagram of a device in an embodiment of the present application. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings.

[0023] In one embodiment, if Figure 1 As shown, the present application discloses an anti-interference method for wireless detonation of electronic detonators, which specifically includes the following steps: S10, determining the current detonator and the first wireless signal frequency band of the current detonator; In this embodiment, in this paragraph, the current detonator refers to a specific detonator in an activated or to-be-activated state in the electronic detonator wireless initiation scheme, which will directly communicate and interact with the central control module. The first wireless signal frequency band refers to a specific frequency range specifically allocated to the current detonator, which is used to establish a wireless communication link between the detonator and the central control module.

[0024] In mining, in order to achieve precise blasting control, each blasting hole is equipped with an electronic detonator. When a specific blasting hole needs to be detonated, the corresponding electronic detonator becomes the current detonator. In order to ensure that the command can be accurately transmitted to the detonator, the system will assign it a unique first wireless signal frequency band. This frequency band is like a dedicated communication channel for the detonator, allowing the central control module to send detonation commands on this channel without interference to other detonators.

[0025] Therefore, in the wireless detonation scheme of electronic detonators, the current detonator is a specific detonator that is about to perform the detonation operation, and the first wireless signal frequency band is a specific frequency range set for the detonator, which is used to build a reliable communication bridge with the central control module to achieve precise blasting timing control.

[0026] Preferably, Figure 8As shown, the electronic detonator is suitable for the electronic detonator initiation system, which basically consists of three parts, namely, the detonator, the encoder and the initiator. ⅠEncoder The function of the encoder is to set the required delay time for each detonator at the blasting site. The specific operation method is to first connect the detonator leg wire to the encoder, and the encoder will immediately read the ID code corresponding to the detonator. Then, the blasting technician uses the encoder to send and set the required delay time to the detonator according to the design requirements. The corresponding data of each detonator in the blasting area will be stored in the encoder. The encoder first records the position of the detonator in the blasting circuit, and then its ID code. When detecting the detonator ID code, the encoder will also detect the connection between adjacent detonators, the connection between the branch and the blasting circuit, the electronic performance of the detonator, whether the detonator leg wire is short-circuited or leaking, and other technical conditions. These detection work for each detonator in the network only takes 1 second. If the detonator itself and its connection in the network are normal, the encoder will prompt the operator to set the detonation delay time for the detonator.

[0027] Ⅱ Explosive Device The detonator in the PBS electronic detonation system controls the entire blasting network programming and triggering detonation. The control logic of the detonator is one level higher than that of the encoder, that is, the detonator can trigger the encoder, but the encoder cannot trigger the detonator. The program commands required for detonation network programming and triggering detonation are set in the detonator. One detonator can manage 8 encoders. Therefore, the current PBS electronic detonation system can form a detonation network of up to 1,600 detonators. The maximum length of each encoder loop is 2,000m, and the detonation line between the detonator and the encoder is 1,000m long.

[0028] PBS electronic detonator detonation network diagram The detonator is connected to the encoder through a twisted pair cable. The encoder is placed close to the blasting area. The blaster programs the detonator at a safe distance from the blasting area and then triggers the entire blasting network. The detonator will automatically identify the connected encoders, first wake them up from sleep mode, and then check the detonators of each encoder and encoder circuit respectively. The detonator reads the detonator data in the entire network from the encoder and checks the entire detonation network again. The detonator can check any errors in each detonator, such as short circuit of the detonator pins and whether the detonator is correctly connected to the encoder. The detonator saves the detected network errors into files and prints them out to help blasters find the cause of the error and the location of the error.

[0029] Only when there is no error in the system composed of the encoder and the detonator and the blaster presses the corresponding button to confirm it, can the detonator trigger the entire detonation network.

[0030] When the power of the encoder itself is insufficient, the detonator will provide energy to the encoder. The entire network detonation programming of the PBS detonation system 1600 detonators can be completed within 5 minutes.

[0031] Ⅲ Safety of electronic detonators and their initiation systems The current common concern of electronic detonator users is still safety. The safety of the electronic detonator itself is mainly determined by its ignition delay circuit. The charging transistor and the discharging transistor form the main ignition circuit of the system. The capacitor is discharged through the ignition transistor under the control of the microcontroller to ignite the ignition head.

[0032] In terms of the technical safety of igniting the fuse in the detonator, the traditional delayed detonator relies on a simple resistance wire to ignite the fuse, while the electronic detonator usually relies on traditional components such as resistors, capacitors, and transistors. The key is that there is also a programmable electronic chip that controls the operation of these components. If the number 1 is used to represent the ignition safety of the traditional resistance wire, the ignition safety of the electronic ignition chip is 100000.

[0033] Compared with traditional electric detonators, electronic detonators are controlled not only by electricity, but also by a microcontroller, and in the detonation network, the microcontroller only accepts digital signals sent by the detonator.

[0034] The design of electronic detonators and their initiation systems introduces special software, and their ignition system is detectable. The ignition action of the detonator is also completely based on software. During the detonator manufacturing process, the components of each detonator must be inspected. During the inspection, the inspection voltage applied to each component is higher than the output voltage of the encoder in the actual application. Components that fail the inspection cannot be used in detonator production. In addition, the assembled electronic detonator must be tested for 600V AC, 3000V static electricity and 50V DC.

[0035] When electronic detonators are used, they generally form an initiation network, and the initiator controls the initiation of the entire network. Figure 1As shown, N electronic detonators need to be connected in parallel through a bus to form a network, and the detonator controls when a single electronic detonator in the network will ignite and detonate through a wired connection. If the output voltage of the detonator is V1, due to the resistance of bus 1 and bus 2, the voltage loss on the two buses is ΔV (it is approximately assumed that the loss of the two buses is the same), then the voltage V2 at the end of the network = V1-2×ΔV. When the voltage loss ΔV is too large, the proximal detonator voltage V2 exceeds the maximum voltage Vmax, and the terminal voltage V2 is less than the minimum voltage Vmin required for the electronic detonator to detonate, resulting in the electronic detonator either breaking down or failing in its communication, energy storage, and final detonation. Moreover, the more electronic detonators there are in the network, the greater the overall voltage loss of the bus, and the more likely it is that the electronic detonator at the end will fail to detonate. The electronic detonation system complies with the concept of "intrinsic safety". In addition to the intrinsic safety of the electronic detonator mentioned above, the encoder in the system also has good safety. The encoder is only used to read data, so its working voltage and current are very small, and there will be no electric pulses that cause the detonator to ignite by mistake. Even if a traditional electric detonator is accidentally connected to the encoder, it will not trigger the detonator to ignite. In addition, the encoder software does not contain any necessary commands for the detonator to ignite, which means that even if the encoder fails, the encoder or other devices outside the blasthole will not cause the detonator to ignite.

[0036] In the network, the encoder also has a test and analysis function, which can continuously detect the performance of detonators and ignition circuits, automatically identify short circuits in the line and leakage (open circuit) that threaten safe ignition, automatically monitor the ID codes of normal and defective detonators, and inform the user of each error on the display. During the test, once a detonator has an error, the encoder will tell the user the ID code of the detonator, its position in the ignition circuit and its error type. Only after the user corrects the error and it is confirmed on the encoder, the entire ignition circuit is triggered.

[0037] In the electronic detonator ignition network, the detonator needs a composite digital signal to be networked and fired, and the programming required to generate these signals is in the initiator. According to calculations, the probability of stray current accidentally triggering the electronic detonator ignition program is one in 16 trillion.

[0038] The above is a traditional electronic detonation system. The traditional electronic detonation system is connected by wires, while this solution is wirelessly connected, such as Fig. 9As shown, wireless communication is used to make the detonator and multiple electronic detonators form a wireless network, so there is no need to manually connect each electronic detonator to the bus. The transceiver antenna of the electronic detonator is a magnetic antenna. By combining low-frequency wireless communication technology with the magnetic antenna, the restrictions on the spacing between the transceiver antennas of adjacent electronic detonators and the placement angle are reduced, while the intensity and efficiency of signal transmission are effectively improved, meeting the restrictions on high-power signal transmission for through-the-ground communication. The detonator and multiple electronic detonators communicate with each other through wireless signals. The wireless signals include control signals sent by the detonator to the multiple electronic detonators and feedback signals sent by the multiple electronic detonators to the detonator. The electronic detonator includes a transceiver antenna, a power supply battery, an ignition The electronic detonator comprises an electronic device, a signal amplifying unit, a signal receiving and feedback unit, a signal processing unit, a signal conversion unit, a data storage unit, an ignition control and drive unit, and a voltage conversion unit, wherein the transceiver antenna is used to receive control signals and send feedback signals, the power supply battery is used to power the electronic detonator, and the ignition element is used to ignite to detonate the electronic detonator, wherein the transceiver antenna is communicatively connected to the signal amplifying unit, the voltage conversion unit is electrically connected to the power supply battery, the ignition control and drive unit is used to control and drive the ignition element to ignite, and the signal receiving and feedback unit, the signal conversion unit and the data storage unit are all communicatively connected to the signal processing unit.

[0039] The various functional units of the electronic detonator, such as the signal amplification unit, the signal receiving and feedback unit, the signal processing unit, the signal conversion unit, the data storage unit, the ignition control and drive unit, and the voltage conversion unit, can be integrated into the system on chip (SoC) of the electronic detonator through integrated circuits, thereby integrating the various units into a single chip, thereby improving the integration of the electronic detonator, reducing the size, reducing the complexity, and having low power consumption and low cost, and being suitable for large-scale promotion and application.

[0040] S20, determining an associated detonator according to the current detonator, and obtaining a second wireless signal frequency band of the associated detonator; In this embodiment, in this description, the associated detonator refers to other electronic detonators related to the current detonator, which affect each other during the wireless communication process. Since these detonators work in a similar position or share a similar wireless environment, their signal transmission interferes with the current detonator or is affected by the signal of the current detonator. The second wireless signal frequency band is a specific frequency range allocated to the associated detonator, which is used for wireless communication between the associated detonator and the central control module. This frequency band provides an independent communication channel for the associated detonator to receive and send signals, thereby avoiding conflicts with the signals of the current detonator. When an electronic detonator is set as the current detonator, other electronic detonators around it are identified as associated detonators. These associated detonators also need to communicate with the central control module, but in order to ensure that they do not interfere with the communication of the current detonator, the system will allocate different frequency bands to them, namely the second wireless signal frequency band. In this way, the current detonator and the associated detonator have their own independent frequency bands for communication, just like they have different communication lines and can communicate at the same time without interfering with each other. Therefore, in the electronic detonator wireless initiation scheme, the associated detonators are those that interact with the current detonators, and the second wireless signal frequency band is a specific frequency range set for these associated detonators to ensure that they can communicate with the central control module independently and without interference, thereby ensuring the accuracy and safety of the entire initiation process.

[0041] S30, comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band; In this embodiment, in this text section, the information of co-frequency interference refers to the frequency overlap or conflict between the first wireless signal frequency band and the second wireless signal frequency band, which will cause interference to the wireless communication between the current detonator and the associated detonator, affecting the correct transmission of the instruction. The preset spare frequency band refers to the spare frequency range set in advance for the current detonator. When co-frequency interference occurs, the system can quickly switch to these spare frequency bands to ensure the continuity and reliability of communication. Frequency hopping operation is a technical means to avoid co-frequency interference. When co-frequency interference is detected, the system will immediately control the current detonator to switch from the original first wireless signal frequency band to the preset spare frequency band to avoid the influence of interference on communication and ensure that the detonation instruction can be accurately conveyed to the current detonator. When the system detects that the first wireless signal frequency band of the current detonator and the second wireless signal frequency band of the surrounding associated detonators have co-frequency interference information, it means that the two frequency bands have conflicted, which will cause the communication quality to deteriorate. At this time, the system will immediately perform the frequency hopping operation to switch the communication of the current detonator to the preset spare frequency band. These backup frequency bands are prepared in advance to avoid such interference. Through frequency hopping operations, the current detonator can continue to communicate stably with the central control module, thereby ensuring the accurate transmission of the detonation command and enabling the blasting process to proceed as planned.

[0042] S40, if it is detected that the co-channel interference occurrence information still exists, determine whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold, if not, continue monitoring; In this embodiment, in this text section, the duration parameter refers to the length of time that the information of the occurrence of co-frequency interference persists, which is used to evaluate the duration of the interference on wireless communication. The preset duration threshold is a time standard set in advance by the system. When the duration of the co-frequency interference exceeds this threshold, the system will consider that the interference has had a significant impact on the communication and needs to take further measures to solve it. When the system detects the occurrence of co-frequency interference, it will start to record the duration of the interference, that is, the duration parameter. If the interference disappears or weakens to an acceptable level in a short time, the system will continue to work normally. However, if the duration parameter of the co-frequency interference exceeds the preset duration threshold, the system will determine that the interference has caused a continuous impact on the communication of the current detonator, and additional measures need to be taken, such as reselecting the backup frequency band or adjusting the communication strategy to ensure that the detonation instruction can be reliably transmitted to the target detonator. This can improve the efficiency and safety of blasting operations and avoid accidents caused by communication interference.

[0043] S50. If so, the corresponding electronic detonators are screened out, and the corresponding frequency band control signals are determined based on the screened electronic detonators. The frequency band control signals are used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset standby frequency bands, or to add new preset standby frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset standby frequency bands.

[0044] In this embodiment, in this paragraph, the electronic detonator refers to all detonator devices involved in wireless communication in the system, including the current detonator and the associated detonator. They are the core components of the detonation operation and are responsible for receiving and responding to the instructions of the central control module. The frequency band control signal is an instruction or data packet used to manage and adjust the communication frequency band of the electronic detonator. When the system detects co-frequency interference and needs to take action, it will generate a frequency band control signal to guide the electronic detonator to perform frequency hopping operation to switch to the spare frequency band or the newly added preset spare frequency band, so as to avoid the impact of interference on communication. When the system determines that the duration of the co-frequency interference exceeds the preset threshold, it means that the impact of the interference on the communication is already serious. At this time, the system will begin to screen out the electronic detonators affected by the interference, which are the current detonators and the associated detonators. Then, the system will generate corresponding frequency band control signals for the screened electronic detonators. These signals contain new communication frequency band information, which is used to instruct the electronic detonator to perform frequency hopping operation. If there are available preset backup frequency bands, the system will instruct the detonators to switch to these backup frequency bands; if the existing backup frequency bands are not feasible, the system will add a new preset backup frequency band and instruct the detonators to switch to this new frequency band. In this way, the system can dynamically manage the communication frequency bands to ensure stable and reliable wireless communication between electronic detonators, thereby ensuring the accuracy and safety of the detonation operation.

[0045] Specifically, this anti-interference method effectively improves the anti-interference performance of the electronic detonator wireless initiation system through an intelligent frequency band management strategy. It can monitor and analyze the signal frequency bands between detonators in real time, detect the same-frequency interference in time and trigger the frequency hopping operation, so that the detonator switches to the preset or newly added backup frequency band, thereby avoiding the impact of interference on the initiation signal. At the same time, the system can continuously evaluate the duration of the interference and generate a frequency band control signal to guide the frequency switching of the detonator when necessary. This comprehensive anti-interference mechanism significantly enhances the reliability of the system, reduces the risk of initiation failure, and provides a safer and more stable initiation solution for engineering applications.

[0046] In one embodiment, if Figure 2 As shown, in step S20, i.e., the step of determining the associated detonator according to the current detonator, includes: S201. Determine, according to the first wireless signal frequency band, a corresponding anti-interference distance threshold, where the anti-interference distance threshold is a maximum distance that can maintain reliable communication and avoid co-frequency interference; In this embodiment, in this paragraph, the anti-interference distance threshold refers to the maximum distance that the first wireless signal frequency band can cover in order to maintain reliable communication and avoid co-frequency interference. It is a key parameter used to determine at what distance the wireless communication between the current detonator and the associated detonator can still proceed normally without interference. The anti-interference distance threshold determines the maximum distance between electronic detonators at the blasting site to ensure that they do not interfere with each other when communicating on their respective frequency bands. By setting this threshold, the system can optimize the allocation and use of frequency bands and improve the reliability and efficiency of wireless communication.

[0047] S202, obtaining wireless signals in the surrounding environment, and calculating the signal strength and arrival direction of each wireless signal; In this embodiment, in this text, wireless signals refer to various wireless communication signals existing in the surrounding environment, including signals from other electronic detonators and signals from other interference sources. Signal strength refers to the power level of each wireless signal, which is used to measure the strength of the signal. The direction of arrival refers to the direction from which each wireless signal arrives at the current detonator, which is used to determine the source and propagation path of the signal. By acquiring wireless signals from the surrounding environment, the system can understand all wireless activities in the environment where the current detonator is located. The calculation of signal strength helps the system evaluate the potential impact of each signal on the current detonator communication, while the determination of the direction of arrival helps the system identify the source of the signal, thereby better managing the communication frequency band and reducing interference.

[0048] S203, calculating the associated distance between each wireless signal source and the current detonator according to the signal strength and the arrival direction; In this embodiment, in this paragraph, the wireless signal source refers to the source of the wireless signal. In the example of mining, these signal sources are surrounding electronic detonators or other equipment. The associated distance is the distance between each signal source and the current detonator calculated based on the strength and arrival direction of the wireless signal, which is used to evaluate the potential impact of the signal source on the current detonator communication. By analyzing the strength and arrival direction of the wireless signal, the system can calculate the associated distance between each signal source (such as surrounding electronic detonators) and the current detonator. This distance can help the system determine whether the signal source is close enough to the current detonator to interfere with its communication. Based on the information of the associated distance, the system can take corresponding measures, such as adjusting communication parameters or switching frequency bands, to ensure that the communication of the current detonator is not affected.

[0049] S204: Compare the association distance with the anti-interference distance threshold. If the association distance is less than or equal to the anti-interference distance threshold, determine that the wireless signal source corresponding to the wireless signal is the association detonator.

[0050] In this embodiment, in this paragraph, the system will compare the calculated association distance with the preset anti-interference distance threshold. The anti-interference distance threshold is set by the system according to the first wireless signal frequency band, and is used to determine whether there is a maximum distance of potential co-frequency interference. If the association distance is less than or equal to the anti-interference distance threshold, it means that the distance between the wireless signal source (such as the surrounding electronic detonator) and the current detonator is close, and their wireless signals affect each other, so the system will determine this signal source as an associated detonator. The system determines which signal sources are associated detonators by comparing the association distance between each wireless signal source and the current detonator and the anti-interference distance threshold. If the association distance of a signal source is less than or equal to the anti-interference distance threshold, it is considered to be an associated detonator because its wireless signal interferes with the communication of the current detonator. In this way, the system can accurately identify the detonator that affects the communication of the current detonator and take corresponding measures to ensure reliable wireless communication.

[0051] Specifically, by measuring and calculating the strength and direction of the surrounding wireless signals and the distance from the current detonator, the associated detonators with co-frequency interference are determined, thereby achieving accurate positioning and identification of potential interference sources.

[0052] In one embodiment, if Figure 3 As shown, in step S30, that is, comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about the occurrence of co-frequency interference, and according to the information about the occurrence of co-frequency interference, controlling the current detonator to perform the corresponding frequency hopping operation according to its own preset spare frequency band, the step includes: S301, comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is frequency band overlap or potential co-channel interference; In this embodiment, in this paragraph, the system will compare and analyze the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is an overlapping part between them, or whether there is potential co-channel interference information. This means that the system will check whether the two frequency bands are in the same frequency range, or whether they are close to the extent of causing mutual interference. If there is frequency band overlap or potential co-channel interference, then there will be a problem of signal interference between the electronic detonators communicating on these two frequency bands. The system will compare the first wireless signal frequency band used by the current detonator with the second wireless signal frequency band used by other surrounding electronic detonators to determine whether there is potential co-channel interference between them. If the two frequency bands overlap or are too close, the communication between the current detonator and the other detonators will be interfered, resulting in error or failure of instruction transmission. Therefore, by comparing and analyzing these frequency bands, the system can promptly discover and solve potential co-channel interference problems to ensure that the communication between all electronic detonators is accurate.

[0053] S302, if there is information about co-frequency interference, selecting an unused preset spare frequency band from multiple preset spare frequency bands of the current detonator as a new first wireless signal frequency band, and performing a corresponding frequency hopping operation according to the new first wireless signal frequency band; In this embodiment, in this text segment, if the system finds that there is information about the occurrence of co-frequency interference, it means that the first wireless signal frequency band of the current detonator conflicts with the second wireless signal frequency band of the associated detonator, which will cause the communication quality to deteriorate. In this case, the system will select a frequency band that has not been used from the multiple spare frequency bands pre-set by the current detonator, and use it as the new first wireless signal frequency band. Then, the system will immediately perform a frequency hopping operation to switch the communication of the current detonator to this new frequency band to avoid the impact of co-frequency interference on communication. When the system detects that there is co-frequency interference between the current detonator and other surrounding electronic detonators, it will immediately take action to solve this problem. The system will select a frequency band that is not used by other detonators from the list of spare frequency bands available to the current detonator, and assign this frequency band to the current detonator as a new communication frequency band. Then, the system will instruct the current detonator to perform a frequency hopping operation and quickly switch to this new frequency band, thereby avoiding co-frequency interference, ensuring that the instructions can be accurately transmitted to the target detonator, and enabling the blasting process to proceed smoothly.

[0054] S303: If there is no information on the occurrence of co-channel interference, keep the first wireless signal frequency band unchanged, establish a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band, and generate and store corresponding historical samples according to the mapping relationship.

[0055] In this embodiment, in this paragraph, the mapping relationship refers to a corresponding relationship established between the second wireless signal frequency band and the first wireless signal frequency band, which is used to record and track the usage and potential interference between different frequency bands. The historical sample is a data record generated based on this mapping relationship, which is used to save information such as the frequency band usage and communication quality at a specific time point or time period for subsequent analysis and optimization. If the system does not detect the occurrence of co-channel interference information, the first wireless signal frequency band of the current detonator will remain unchanged and continue to communicate normally. At the same time, the system will establish a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band, record the usage of the frequency bands between different detonators, and whether there is a potential risk of interference between them. According to this mapping relationship, the system will generate and store corresponding historical samples, which contain information such as frequency band usage data and communication quality evaluation in the past communication process. These historical samples can be used for future analysis and decision-making, helping the system to better manage frequency band resources and improve overall communication reliability and efficiency.

[0056] Specifically, by comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band, the system can accurately determine whether there is co-frequency interference, and intelligently select unused backup frequency bands for frequency hopping operations based on the interference situation to avoid the impact of interference on communications; at the same time, for situations without interference, the system will establish a mapping relationship between frequency bands and save historical samples to provide data support for subsequent interference prediction and avoidance.

[0057] In one embodiment, if Figure 4 As shown, after step S303, that is, after the step of generating and storing the corresponding historical samples, the following further includes: S304, performing quality analysis by comparing the first wireless signal frequency band, where the quality analysis criteria include signal strength, signal-to-noise ratio, and bit error rate; In this embodiment, in this paragraph, quality analysis refers to the process of evaluating and analyzing the communication quality of the first wireless signal frequency band to ensure the reliability and accuracy of signal transmission. Project standards are specific indicators used to measure communication quality, including signal strength, signal-to-noise ratio, and bit error rate. Signal strength indicates the power level of the signal, signal-to-noise ratio indicates the ratio of signal to noise, and bit error rate indicates the number of bits that have errors during transmission. The system will perform quality analysis on the first wireless signal frequency band currently used by the detonator to evaluate its communication quality. Project standards for quality analysis include signal strength, which is used to judge the strength of the signal; signal-to-noise ratio, which is used to evaluate the degree of noise interference to the signal during transmission; and bit error rate, which is used to detect whether errors have occurred in the signal during transmission. Through these quality analyses, the system can promptly discover problems in communication and take corresponding measures to improve communication quality to ensure that the detonation instruction can be accurately transmitted to the target detonator.

[0058] S305, determining a preset signal quality threshold according to the project standard; In this embodiment, in this paragraph, the preset signal quality threshold is a specific value set according to the project standard of quality analysis, which is used to determine whether the communication quality of the first wireless signal frequency band meets the system requirements. It is a reference value. If the actual communication quality is lower than this threshold, it means that there are problems such as interference or signal attenuation, and measures need to be taken to improve the communication situation. The system will determine a preset signal quality threshold based on the project standards of quality analysis, such as signal strength, signal-to-noise ratio, and bit error rate. This threshold is set by the system based on actual needs and experience, and is used to measure whether the communication quality of the current detonator is qualified. If the system finds that the actual communication quality is lower than this threshold, there is interference or other problems that affect signal transmission. At this time, the system will take corresponding measures, such as adjusting communication parameters or switching to a backup frequency band, to ensure that the communication quality meets the requirements, thereby ensuring that the detonation instruction can be accurately transmitted to the target detonator.

[0059] S306, comparing a preset signal quality threshold with a corresponding standard parameter in the first wireless signal frequency band, and generating a corresponding verification result; In this embodiment, in this text, the standard parameters refer to the quality indicators such as signal strength, signal-to-noise ratio and bit error rate that the first wireless signal frequency band should have under normal communication conditions. The verification result is a conclusion to determine whether the communication quality meets the expected requirements by comparing the preset signal quality threshold and the standard parameters actually measured. The system compares the preset signal quality threshold with the actual standard parameters of the first wireless signal frequency band under the current communication state. These standard parameters include signal strength, signal-to-noise ratio and bit error rate, etc., which are used to reflect the quality of signal transmission. By comparing these parameters with the preset threshold, the system generates a verification result, which can tell us whether the current communication quality meets the expected requirements. If the verification result shows that the communication quality is lower than expected, the system will take measures to improve the communication status, such as adjusting the signal parameters or switching to the backup frequency band to ensure that the detonation instruction can be reliably transmitted to the target detonator.

[0060] S307. Determine whether to re-perform the frequency hopping operation of the current detonator according to the verification result.

[0061] In this embodiment, in this paragraph, the system will decide whether it is necessary to re-perform the frequency hopping operation of the current detonator based on the verification results. If the verification results show that the current communication quality does not meet the expected requirements, there is interference or other problems that affect the signal transmission, then the system will consider re-performing the frequency hopping operation to switch to a more suitable frequency band to improve the communication quality. After verifying the communication quality of the current detonator, the system will determine whether further action is needed based on the verification results. If the verification results show that the current communication quality is poor and is affected by interference or other factors, the system will decide to re-perform the frequency hopping operation. This means that the system will select a new frequency band for the current detonator to communicate, in order to improve the quality of signal transmission and ensure that the detonation instruction can be accurately transmitted to the target detonator. In this way, the system can dynamically adjust the communication strategy to adapt to different environmental conditions and interference factors, thereby improving the overall communication reliability and the success rate of the blasting operation.

[0062] Specifically, the quality analysis result of the first wireless signal frequency band is compared with the preset signal quality threshold, the communication quality is evaluated in real time, and based on the verification result, it is determined whether the frequency hopping operation of the current detonator needs to be re-performed to ensure the stability and reliability of signal transmission.

[0063] In one embodiment, if Figure 5 As shown, in step S0, that is, the step of selecting corresponding electronic detonators and determining corresponding frequency band control signals according to the selected electronic detonators, includes: S501, according to the current detonator, determining that the signal source whose association distance of the current detonator is greater than the anti-interference distance threshold is an unassociated detonator, and determining the third wireless signal frequency band of the unassociated detonator; In this embodiment, in this text, unassociated detonators refer to signal sources whose associated distance with the current detonator is greater than the anti-interference distance threshold. This means that the distance between these detonators and the current detonator is far enough that their wireless signals will not interfere with the communication of the current detonator. The third wireless signal frequency band is a specific frequency range allocated to these unassociated detonators to ensure that their communication with the central control module is independent and smooth, and will not affect the communication of the current detonator or other associated detonators. The system will determine which signal sources are unassociated detonators based on the position of the current detonator and the set anti-interference distance threshold. These unassociated detonators are outside the communication range of the current detonator, so their wireless signals will not interfere with the current detonator. The system will allocate the third wireless signal frequency band to these unassociated detonators to ensure that they can communicate independently with the central control module without interfering with the communication frequency band of the current detonator or other associated detonators. In this way, the system can optimize the use of frequency bands and improve overall communication efficiency and reliability.

[0064] S502, judging whether frequency band interference occurs based on the first wireless signal frequency band, the second wireless signal frequency band, and the third wireless signal frequency band, and whether frequency band interference that can be eliminated by frequency hopping operation occurs; In this embodiment, in this paragraph, frequency band interference refers to the frequency overlap or conflict between the first wireless signal frequency band, the second wireless signal frequency band and the third wireless signal frequency band, which causes co-frequency interference in the wireless communication process. The system will judge whether there is information about co-frequency interference that can be eliminated by frequency hopping operation based on the information of these three frequency bands. If there is such frequency band interference, the system will take corresponding frequency hopping operations to switch the affected detonators to other frequency bands to avoid the impact of co-frequency interference on communication. The system will continuously monitor the frequency usage between the first wireless signal frequency band, the second wireless signal frequency band and the third wireless signal frequency band to determine whether there is frequency band interference. If the system finds that there is frequency overlap or conflict between these frequency bands, resulting in the occurrence of co-frequency interference, it will evaluate whether the problem can be solved by frequency hopping operation. If the frequency hopping operation can eliminate the co-frequency interference, the system will instruct the affected detonators to switch to other frequency bands to ensure smooth wireless communication, thereby ensuring that the detonation instruction can be accurately transmitted to the target detonator.

[0065] S503: If yes, then select the first detonator to be adjusted from the unassociated detonators according to the first wireless signal frequency band, and determine a new third wireless signal frequency band for the first detonator to be adjusted; select the second detonator to be adjusted from the associated detonators, and determine a new second wireless signal frequency band for the second detonator to be adjusted; In this embodiment, in this paragraph, the first detonator to be adjusted refers to a detonator in the unassociated detonator that has potential frequency band interference with the first wireless signal frequency band of the current detonator. If the frequency band of these detonators can eliminate the same frequency interference, they will be screened out as the first detonator to be adjusted. Similarly, the second detonator to be adjusted refers to a detonator in the associated detonator that has potential frequency band interference with the first wireless signal frequency band of the current detonator. The system will determine a new third wireless signal frequency band and a new second wireless signal frequency band for the first detonator to be adjusted and the second detonator to be adjusted, respectively, to avoid frequency band interference and ensure the reliability of wireless communication. If the system determines that there is frequency band interference that can be eliminated by frequency hopping operation, it will start to screen the potential interference sources in the unassociated detonators and the associated detonators. Those unassociated detonators that have potential conflicts with the first wireless signal frequency band of the current detonator will be marked as the first detonator to be adjusted, and those associated detonators that have potential conflicts with the first wireless signal frequency band of the current detonator will be marked as the second detonator to be adjusted. The system will allocate new frequency bands for these detonators to be adjusted, namely the new third wireless signal frequency band and the new second wireless signal frequency band, to ensure that the communications between them will not interfere with each other, thereby improving the communication efficiency and accuracy of the entire blasting operation.

[0066] S504, determining a corresponding frequency band control signal according to the new third wireless signal frequency band and the new second wireless signal frequency band; In this embodiment, the process of determining the corresponding frequency band control signal involves specific algorithms and communication protocols. The following is a simplified description of the general principle of determining the frequency band control signal based on the new third wireless signal frequency band and the new second wireless signal frequency band: 1) Frequency band planning and allocation algorithm: The system first needs to have a frequency band planning and allocation algorithm to manage the available frequency band resources. This algorithm should be able to determine which frequency bands can be allocated to the first detonator to be adjusted and the second detonator to be adjusted based on factors such as the current frequency band usage, interference conditions, and the location of the detonator. 2) Frequency band selection: According to the frequency band planning and allocation algorithm, the system will select the new third wireless signal frequency band and the new second wireless signal frequency band from the available frequency band list to avoid interference with the first wireless signal frequency band of the current detonator. This selection process needs to consider factors such as the availability of the frequency band, signal propagation characteristics, and compatibility with other detonators. 3) Generate frequency band control signal: Once the new frequency band is selected, the system will generate the corresponding frequency band control signal. These signals usually contain the following information: First, the target detonator identifier: used to specify the specific detonator to be controlled by the signal. Second, new frequency band information: including the frequency range and other related parameters of the newly allocated third wireless signal frequency band or the second wireless signal frequency band. Third, switching instructions: commands or flags that instruct the detonator to perform frequency band switching operations. Fourth, timestamp or synchronization information: used to ensure the timing and synchronization of signal transmission. 4) Signal encoding and modulation: The generated frequency band control signal needs to be encoded and modulated for transmission on the wireless channel. This involves the use of specific communication protocols, modulation techniques (such as frequency modulation, phase modulation or amplitude modulation), and error control coding (such as CRC check) to ensure the reliability and accuracy of the signal. 5) Signal transmission: The encoded and modulated frequency band control signal will be sent to the target detonators to notify them to perform frequency band switching operations. After receiving the signal, the detonator will parse the information in it and switch to the specified new frequency band according to the instructions.

[0067] For example: Take a simplified electronic detonator wireless detonation system as an example to illustrate how to determine the corresponding frequency band control signal based on the new third wireless signal frequency band and the new second wireless signal frequency band. Suppose our system has three electronic detonators: detonator A, detonator B, and detonator C. Detonator A is the current detonator and uses the first wireless signal frequency band (e.g., 2.4GHz) for communication. Detonator B and detonator C are associated detonators, using the second wireless signal frequency band (e.g., 2.41GHz) and the third wireless signal frequency band (e.g., 2.42GHz), respectively. Now, we find that there is co-frequency interference between detonator A and detonator B because their frequency bands are too close. To solve this problem, we decided to assign a new second wireless signal frequency band to detonator B, such as 2.43GHz, to avoid interference with the frequency band of detonator A. At the same time, we also found that the third wireless signal frequency band of detonator C has some interference with the surrounding environment, so we decided to change its frequency band to 2.44GHz.

[0068] Next is the process of determining the frequency band control signal: 1) Generate the frequency band control signal of detonator B: First, the target detonator identification: the ID number of detonator B (assuming it is ID_B). Second, the new frequency band information: the frequency range of 2.43GHz and other related parameters (such as bandwidth, modulation mode, etc.). Third, the switching instruction: a flag or command word that instructs detonator B to switch to the new frequency band. Fourth, the timestamp or synchronization information: the current timestamp or other synchronization information to ensure the timing of the switching operation. 2) Generate the frequency band control signal of detonator C: First, the target detonator identification: the ID number of detonator C (assuming it is ID_C). Second, the new frequency band information: the frequency range of 2.44GHz and other related parameters. Third, the switching instruction: a flag or command word that instructs detonator C to switch to the new frequency band. Fourth, the timestamp or synchronization information: the current timestamp or other synchronization information. 3) Signal encoding and modulation: Encode the above information according to a specific communication protocol, and use an appropriate modulation technology (such as OFDM) to convert the encoded signal into a signal suitable for wireless transmission. 4) Signal transmission: The encoded and modulated frequency band control signal is sent to detonator B and detonator C through the wireless channel. After receiving the signal, the two detonators will parse the new frequency band information and switching instructions, and then perform the frequency band switching operation, switching to the new frequency bands of 2.43GHz and 2.44GHz respectively. Through this process, we have successfully allocated new frequency bands to detonator B and detonator C, and used the frequency band control signal to guide them to complete the frequency band switching, thus solving the problem of co-frequency interference. Please note that this is just a simplified example, and the actual system is more complex and needs to consider more factors and details.

[0069] S505: If not, then add a new preset spare frequency band, and determine the corresponding frequency band control signal according to the new preset spare frequency band.

[0070] In this embodiment, in this paragraph, if the system determines that the co-channel interference cannot be eliminated by adjusting the existing frequency band, another strategy will be adopted: adding a preset backup frequency band. This means that the system will divide a new frequency band from the available spectrum resources and allocate it to the detonator affected by the interference. Then, the system will determine the corresponding frequency band control signal based on this new preset backup frequency band to guide the detonator to switch the frequency band, thereby avoiding co-channel interference.

[0071] Using the previous example, if we find that the new frequency bands of detonator B and detonator C still have co-frequency interference, or there are not enough available frequency bands to adjust, the system will decide to add a preset backup frequency band. Assuming that the new frequency band we added is 2.45GHz, the system will perform the following operations: First, determine that the newly added preset backup frequency band is 2.45GHz, and ensure that this frequency band is not used by other detonators or devices. Second, generate new frequency band control signals for detonator B and detonator C, instructing them to switch to the 2.45GHz frequency band. These signals will contain information such as the target detonator identification, the frequency range and other relevant parameters of the new frequency band, switching instructions, and timestamps. Third, use appropriate coding and modulation techniques to process the frequency band control signals to ensure that they can be accurately transmitted to detonator B and detonator C. Fourth, send the frequency band control signal to detonator B and detonator C, instructing them to immediately switch to the 2.45GHz frequency band to avoid the impact of co-channel interference on communication. By adding a new preset backup frequency band and generating the corresponding frequency band control signal, the system can flexibly deal with the problem of co-channel interference and ensure that wireless communication between electronic detonators can proceed smoothly.

[0072] Specifically, the signal frequency bands of associated detonators and unassociated detonators are intelligently screened and adjusted to determine whether co-frequency interference can be eliminated through frequency hopping operations, and generate corresponding frequency band control signals based on the judgment results to effectively avoid co-frequency interference or add new spare frequency bands to ensure communication quality.

[0073] In one embodiment, if Figure 6 As shown, in step S505, if not, then a new preset spare frequency band is added, and the step of determining the corresponding frequency band control signal according to the new preset spare frequency band includes: S5051. Pushing an interactive window for displaying frequency band interference; In this embodiment, the interactive window refers to a graphical user interface (GUI) or a command line interface (CLI), which is used to display relevant information about frequency band interference to the user and provide operation and decision support so that the user can better understand and deal with potential co-channel interference problems.

[0074] S5052, obtaining user interaction content, and loading a new preset backup frequency band according to the user interaction content; In this embodiment, the user interaction content refers to the input or selection provided by the user through the interactive window, which is used to express their understanding, preference or decision on the frequency band interference problem. Such content may include the user's adjustment suggestions for the existing frequency band allocation, the frequency selection for the newly added preset backup frequency band, or the indication of the frequency band switching strategy.

[0075] For example, the user interaction content is a drop-down menu selection, from which the user selects a specific frequency range as a new preset backup band; or a text input box, in which the user manually enters the frequency value they suggest; or a confirmation button, which the user clicks to approve the band switching plan automatically recommended by the system. Through these interactive contents, users can actively participate in the band management process and provide their expertise or preferences to help the system better resolve co-channel interference issues.

[0076] S5053. Determine a corresponding frequency band control signal according to the new preset backup frequency band.

[0077] In this embodiment, the corresponding frequency band control signal is determined according to the new preset standby frequency band. This process involves converting the new frequency band information into executable instructions to instruct the affected electronic detonator to perform frequency band switching operations. The following is a detailed explanation of several key steps involved in this process: Frequency band information encapsulation: First, the system needs to encapsulate the relevant information of the new preset backup frequency band. This includes the specific frequency range, bandwidth, modulation method and other parameters related to the communication protocol. This information will be organized into a data structure or message format so that it can be accurately transmitted and parsed.

[0078] 1) Target detonator identification: To ensure that the frequency band control signal can be accurately sent to the correct detonator, the system needs to include the identification information of the target detonator in the signal. This can be a unique identifier of the detonator (such as a serial number or IP address), or other methods that can uniquely identify the target detonator. 2) Switching instructions: The frequency band control signal needs to contain clear switching instructions to instruct the target detonator to switch from the current frequency band to a new preset backup frequency band. This can be a simple command word or flag bit, or a more complex instruction set, including switching timing requirements, confirmation mechanisms, etc. 3) Signal encoding and modulation: Before transmitting the frequency band control signal to the target detonator, the system needs to process the signal using appropriate encoding and modulation techniques. This includes converting the data into a signal form suitable for wireless transmission and adding necessary error control and synchronization information to ensure that the signal can be accurately received and parsed. 4) Signal transmission and reception: Finally, the system transmits the encoded frequency band control signal to the target detonator through the wireless channel. After receiving the signal, the detonator will parse out the frequency band information and switching instructions, and perform the corresponding frequency band switching operation.

[0079] Through the above steps, the system can generate the corresponding frequency band control signal according to the new preset backup frequency band, and guide the target detonator to switch the frequency band, thereby avoiding co-frequency interference and ensuring the reliability of communication.

[0080] Specifically, a user interaction interface is provided to display the frequency band interference situation and allow users to participate in the process of adding preset backup frequency bands, thereby generating corresponding frequency band control signals, enhancing the flexibility of the system and user participation to better cope with complex interference scenarios.

[0081] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0082] In one embodiment, an anti-interference device for wireless detonation of electronic detonators is provided, and the anti-interference device for wireless detonation of electronic detonators corresponds one-to-one with the anti-interference method for wireless detonation of electronic detonators in the above embodiment. Figure 7 As shown, the anti-interference device for wireless detonation of electronic detonators includes a first determination module, a second determination module, a comparison and analysis module, a judgment module and a third determination module. The detailed description of each functional module is as follows: A first determination module, used to determine a current detonator and a first wireless signal frequency band of the current detonator; A second determination module is used to determine an associated detonator according to the current detonator, and obtain a second wireless signal frequency band of the associated detonator; A comparison and analysis module, used for comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information of co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset spare frequency band; A judgment module, for judging whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold if the co-channel interference occurrence information is still detected, and if not, continuing the monitoring; The third determination module is used to screen out the corresponding electronic detonators, and determine the corresponding frequency band control signal based on the screened electronic detonators, wherein the frequency band control signal is used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset backup frequency bands, or to add new preset backup frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset backup frequency bands.

[0083] Optionally, the second determining module includes: A first determining unit, configured to determine a corresponding anti-interference distance threshold according to the first wireless signal frequency band, wherein the anti-interference distance threshold is a maximum distance that can maintain reliable communication and avoid co-frequency interference; A first calculation unit, used to obtain wireless signals in the surrounding environment and calculate the signal strength and arrival direction of each wireless signal; A second calculation unit, configured to calculate an associated distance between each wireless signal source and the current detonator according to the signal strength and the arrival direction; A first comparing unit, configured to compare the associated distance with the anti-interference distance threshold, and if the associated distance is less than or equal to the anti-interference distance threshold, determine that the wireless signal source corresponding to the wireless signal is an associated detonator; Optionally, the comparative analysis module includes: A second comparison unit, configured to compare and analyze the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is frequency band overlap or potential co-channel interference occurrence information; A selection unit, configured to select an unused preset spare frequency band from a plurality of preset spare frequency bands of the current detonator as a new first wireless signal frequency band if there is information on the occurrence of co-frequency interference, and perform a corresponding frequency hopping operation according to the new first wireless signal frequency band; an establishing unit, configured to keep the first wireless signal frequency band unchanged if there is no information on the occurrence of co-channel interference, establish a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band, and generate and store corresponding historical samples according to the mapping relationship; Optionally, the comparative analysis module further includes: A third comparison unit, used to compare the first wireless signal frequency band to perform quality analysis, where the quality analysis criteria include signal strength, signal-to-noise ratio, and bit error rate; A second determining unit, configured to determine a preset signal quality threshold according to the project standard; a fourth comparing unit, configured to compare the preset signal quality threshold with a corresponding standard parameter in the first wireless signal frequency band to generate a corresponding verification result; A third determining unit, configured to determine whether to re-perform the frequency hopping operation of the current detonator according to the verification result; Optionally, the third determining module includes: a fourth determining unit, configured to determine, according to the current detonator, that a signal source whose associated distance of the current detonator is greater than the anti-interference distance threshold is an unassociated detonator, and determine a third wireless signal frequency band of the unassociated detonator; A judging unit, configured to judge whether frequency band interference occurs based on the first wireless signal frequency band, the second wireless signal frequency band, and the third wireless signal frequency band, and whether the frequency band interference can be eliminated by frequency hopping operation; a fifth determining unit, configured to, if yes, select first detonators to be adjusted from the unassociated detonators according to the first wireless signal frequency band, and determine a new third wireless signal frequency band for the first detonators to be adjusted, select second detonators to be adjusted from the associated detonators, and determine a new second wireless signal frequency band for the second detonators to be adjusted; a sixth determining unit, configured to determine a corresponding frequency band control signal according to the new third wireless signal frequency band and the new second wireless signal frequency band; a adding unit, configured to add a new preset spare frequency band if no, and determine a corresponding frequency band control signal according to the new preset spare frequency band; Optionally, the newly added unit includes; A pushing subunit, comprising pushing an interactive window for displaying the frequency band interference; An acquisition subunit, comprising acquiring user interaction content, and loading a new preset standby frequency band according to the user interaction content; The determination subunit includes determining a corresponding frequency band control signal according to the new preset spare frequency band.

[0084] For the specific definition of the anti-interference device for wireless detonation of electronic detonators, please refer to the definition of the anti-interference method for wireless detonation of electronic detonators mentioned above, which will not be repeated here. Each module in the above-mentioned anti-interference device for wireless detonation of electronic detonators can be implemented in whole or in part by software, hardware and a combination thereof. The above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0085] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Fig.10 As shown. The computer device includes a processor, a memory, a network interface and a database connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, an anti-interference method for wireless detonation of electronic detonators is implemented.

[0086] In one embodiment, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program: S10, determining the current detonator and the first wireless signal frequency band of the current detonator; S20, determining an associated detonator according to the current detonator, and obtaining a second wireless signal frequency band of the associated detonator; S30, comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band; S40, if it is detected that the co-channel interference occurrence information still exists, determine whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold, if not, continue monitoring; S50. If so, the corresponding electronic detonators are screened out, and the corresponding frequency band control signals are determined based on the screened electronic detonators. The frequency band control signals are used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset standby frequency bands, or to add new preset standby frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset standby frequency bands.

[0087] In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented: S10, determining the current detonator and the first wireless signal frequency band of the current detonator; S20, determining an associated detonator according to the current detonator, and obtaining a second wireless signal frequency band of the associated detonator; S30, comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band; S40, if it is detected that the co-channel interference occurrence information still exists, determine whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold, if not, continue monitoring; S50. If so, the corresponding electronic detonators are screened out, and the corresponding frequency band control signals are determined based on the screened electronic detonators. The frequency band control signals are used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset standby frequency bands, or to add new preset standby frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset standby frequency bands.

[0088] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0089] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0090] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. An anti-interference method for wireless detonation of electronic detonators, wherein the electronic detonators are electrically connected to a central control module, characterized in that: The anti-interference method for wireless detonation of electronic detonators comprises: Determine a current detonator and a first wireless signal frequency band of the current detonator; Determine an associated detonator according to the current detonator, and obtain a second wireless signal frequency band of the associated detonator; Comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band; If it is detected that the co-channel interference occurrence information still exists, determine whether the duration parameter in the co-channel interference occurrence information is greater than the preset duration threshold, if not, continue monitoring; If so, the corresponding electronic detonators are screened out, and the corresponding frequency band control signal is determined based on the screened electronic detonators. The frequency band control signal is used to control the corresponding electronic detonator to perform frequency hopping operation according to its own preset backup frequency band, or to add a new preset backup frequency band, and control the corresponding electronic detonator to perform frequency hopping operation according to the new preset backup frequency band.

2. The anti-interference method for wireless detonation of electronic detonators according to claim 1, characterized in that: The step of determining the associated detonator according to the current detonator includes: Determine, according to the first wireless signal frequency band, a corresponding anti-interference distance threshold, where the anti-interference distance threshold is a maximum distance that can maintain reliable communication and avoid co-frequency interference; Obtain wireless signals from the surrounding environment and calculate the signal strength and arrival direction of each wireless signal; Calculating the associated distance between each wireless signal source and the current detonator according to the signal strength and the arrival direction; The association distance is compared with the anti-interference distance threshold, and if the association distance is less than or equal to the anti-interference distance threshold, it is determined that the wireless signal source corresponding to the wireless signal is an associated detonator.

3. The anti-interference method for wireless detonation of electronic detonators according to claim 2, characterized in that: The step of comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information about co-frequency interference, and controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset standby frequency band according to the information about co-frequency interference, includes: Comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is frequency band overlap or potential co-frequency interference; If there is information about the occurrence of co-frequency interference, an unused preset spare frequency band is selected from a plurality of preset spare frequency bands of the current detonator as a new first wireless signal frequency band, and a corresponding frequency hopping operation is performed according to the new first wireless signal frequency band; If there is no information on the occurrence of co-channel interference, the first wireless signal frequency band is kept unchanged, a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band is established, and corresponding historical samples are generated and stored according to the mapping relationship.

4. The anti-interference method for wireless detonation of electronic detonators according to claim 3, characterized in that: After the step of generating and storing the corresponding historical samples, the method further includes: Performing quality analysis on the first wireless signal frequency band, where the quality analysis criteria include signal strength, signal-to-noise ratio, and bit error rate; Determining a preset signal quality threshold according to the project standard; Comparing the preset signal quality threshold with a corresponding standard parameter in the first wireless signal frequency band to generate a corresponding verification result; According to the verification result, it is determined whether to re-perform the frequency hopping operation of the current detonator.

5. The anti-interference method for wireless detonation of electronic detonators according to claim 3, characterized in that: The step of selecting corresponding electronic detonators and determining corresponding frequency band control signals according to the selected electronic detonators includes: According to the current detonator, determining that a signal source whose associated distance of the current detonator is greater than the anti-interference distance threshold is an unassociated detonator, and determining a third wireless signal frequency band of the unassociated detonator; According to the first wireless signal frequency band, the second wireless signal frequency band and the third wireless signal frequency band, determining whether frequency band interference occurs and whether the information on the occurrence of co-frequency interference can be eliminated through frequency hopping operation; If yes, then based on the first wireless signal frequency band, select the first detonator to be adjusted from the unassociated detonators, and determine the new third wireless signal frequency band of the first detonator to be adjusted, select the second detonator to be adjusted from the associated detonators, and determine the new second wireless signal frequency band of the second detonator to be adjusted; Determining a corresponding frequency band control signal according to the new third wireless signal frequency band and the new second wireless signal frequency band; If not, a new preset spare frequency band is added, and a corresponding frequency band control signal is determined according to the new preset spare frequency band.

6. The anti-interference method for wireless detonation of electronic detonators according to claim 5, characterized in that: If not, then adding a new preset spare frequency band, and determining the corresponding frequency band control signal according to the new preset spare frequency band, includes: Pushing an interactive window for displaying the interference of the frequency band; Acquire user interaction content, and load a new preset backup frequency band according to the user interaction content; According to the new preset spare frequency band, a corresponding frequency band control signal is determined. 7.Anti-interference device for wireless detonation of electronic detonators, characterized in that: The anti-interference device for wireless detonation of electronic detonators comprises: A first determination module, used to determine a current detonator and a first wireless signal frequency band of the current detonator; A second determination module is used to determine an associated detonator according to the current detonator, and obtain a second wireless signal frequency band of the associated detonator; A comparison and analysis module, used for comparing and analyzing the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is information of co-frequency interference, and if so, controlling the current detonator to perform a corresponding frequency hopping operation according to its own preset spare frequency band; A judgment module, for judging whether the duration parameter in the co-channel interference occurrence information is greater than a preset duration threshold if the co-channel interference occurrence information is still detected, and if not, continuing the monitoring; The third determination module is used to screen out the corresponding electronic detonators, and determine the corresponding frequency band control signal based on the screened electronic detonators, wherein the frequency band control signal is used to control the corresponding electronic detonators to perform frequency hopping operations according to their own preset backup frequency bands, or to add new preset backup frequency bands, and control the corresponding electronic detonators to perform frequency hopping operations according to the new preset backup frequency bands.

8. The anti-interference device for wireless detonation of electronic detonators according to claim 7, characterized in that: The second determining module comprises: A first determining unit, configured to determine a corresponding anti-interference distance threshold according to the first wireless signal frequency band, wherein the anti-interference distance threshold is a maximum distance that can maintain reliable communication and avoid co-frequency interference; A first calculation unit, used to obtain wireless signals in the surrounding environment and calculate the signal strength and arrival direction of each wireless signal; A second calculation unit, configured to calculate an associated distance between each wireless signal source and the current detonator according to the signal strength and the arrival direction; A first comparing unit, configured to compare the associated distance with the anti-interference distance threshold, and if the associated distance is less than or equal to the anti-interference distance threshold, determine that the wireless signal source corresponding to the wireless signal is an associated detonator; The comparative analysis module comprises: A second comparison unit, configured to compare and analyze the first wireless signal frequency band and the second wireless signal frequency band to determine whether there is frequency band overlap or potential co-channel interference occurrence information; A selection unit, configured to select an unused preset spare frequency band from a plurality of preset spare frequency bands of the current detonator as a new first wireless signal frequency band if there is information on the occurrence of co-frequency interference, and perform a corresponding frequency hopping operation according to the new first wireless signal frequency band; an establishing unit, configured to keep the first wireless signal frequency band unchanged if there is no information on the occurrence of co-channel interference, establish a mapping relationship between the second wireless signal frequency band and the first wireless signal frequency band, and generate and store corresponding historical samples according to the mapping relationship; The comparative analysis module also includes: A third comparison unit, used to compare the first wireless signal frequency band to perform quality analysis, where the quality analysis criteria include signal strength, signal-to-noise ratio, and bit error rate; A second determining unit, configured to determine a preset signal quality threshold according to the project standard; a fourth comparing unit, configured to compare the preset signal quality threshold with a corresponding standard parameter in the first wireless signal frequency band to generate a corresponding verification result; A third determining unit, configured to determine whether to re-perform the frequency hopping operation of the current detonator according to the verification result; The third determining module comprises: a fourth determining unit, configured to determine, according to the current detonator, that a signal source whose associated distance of the current detonator is greater than the anti-interference distance threshold is an unassociated detonator, and to determine a third wireless signal frequency band of the unassociated detonator; A judging unit, configured to judge whether frequency band interference occurs based on the first wireless signal frequency band, the second wireless signal frequency band, and the third wireless signal frequency band, and whether the frequency band interference can be eliminated by frequency hopping operation; a fifth determining unit, configured to, if yes, select first detonators to be adjusted from the unassociated detonators according to the first wireless signal frequency band, and determine a new third wireless signal frequency band for the first detonators to be adjusted, select second detonators to be adjusted from the associated detonators, and determine a new second wireless signal frequency band for the second detonators to be adjusted; a sixth determining unit, configured to determine a corresponding frequency band control signal according to the new third wireless signal frequency band and the new second wireless signal frequency band; a adding unit, configured to add a new preset spare frequency band if no, and determine a corresponding frequency band control signal according to the new preset spare frequency band; The newly added units include; A pushing subunit, comprising pushing an interactive window for displaying the frequency band interference; An acquisition subunit, comprising acquiring user interaction content, and loading a new preset standby frequency band according to the user interaction content; The determination subunit includes determining a corresponding frequency band control signal according to the new preset spare frequency band.

9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the anti-interference method for wireless initiation of electronic detonators as described in any one of claims 1 to 6 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the anti-interference method for wireless initiation of electronic detonators as claimed in any one of claims 1 to 6 are implemented.

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