A wireless electronic detonator initiation control method and system
By synchronizing the calibration signal and reference time, the problem of poor synchronization in wireless electronic detonator communication was solved, achieving high reliability and synchronized blasting effect, while reducing cost and terrain impact.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- WUXI SHENGJING ELECTRONICS TECH CO LTD
- Filing Date
- 2023-11-24
- Publication Date
- 2026-06-05
Smart Images
Figure CN117704907B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of electronic detonator technology, specifically to a wireless electronic detonator initiation control method and system. Background Technology
[0002] An electronic detonator is a detonation device that uses electronic technology to control the timing and manner of an explosion. Currently, electronic detonators are typically connected to a detonation controller via a wired connection, allowing for precise control of the detonation process. However, the locations where blasting is required are often characterized by complex terrain and harsh environments, and the wired connection method presents challenges and difficulties for on-site blasting operations.
[0003] Although wireless communication is currently used to control the triggering and detonation of electronic detonators, the synchronization of wireless communication is poor and the reliability is not high, which has a great impact on the blasting effect. Summary of the Invention
[0004] In view of this, the present invention provides a wireless electronic detonator initiation control method and system to solve the problem of poor wireless communication synchronization of electronic detonators in the prior art.
[0005] In a first aspect, the present invention provides a wireless electronic detonator initiation control method, applied to an initiation controller, the method comprising:
[0006] A calibration signal is sent to multiple electronic detonators that are wirelessly connected to the detonation controller. The calibration signal is used to calibrate the clock of the electronic detonators.
[0007] A reference time is written to the electronic detonator to synchronize the clocks of all electronic detonators and to trigger the timers of the detonation controller and the electronic detonators to start timing. The reference time is the current time of the control device connected to the detonation controller.
[0008] A wireless detection signal is sent to the electronic detonator to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal.
[0009] Once it is confirmed that the timer value of each electronic detonator is consistent with the timing of the detonation controller, a detonation control command is sent to control the electronic detonator to detonate after a preset time.
[0010] The accuracy of all electronic detonator clocks is ensured by calibrating the calibration signal. After clock calibration, all wireless electronic detonators are detonated at the same time, ensuring that all wireless electronic detonators can detonate at the same time, thus guaranteeing the blasting effect. This method has high reliability.
[0011] In one alternative implementation, a calibration signal is sent and a reference time is written to the electronic detonator via a single-shot detection method;
[0012] After writing the reference time into the electronic detonator, the following is included:
[0013] Confirm that the wireless communication between the detonator and the electronic detonator is normal.
[0014] Sending calibration signals and writing reference time to the electronic detonator using a single-shot detection method can more effectively ensure the accuracy of the electronic detonator clock.
[0015] Furthermore, confirming whether the wireless communication between the detonator and the electronic detonator is normal can ensure the reliability of both devices.
[0016] In one alternative implementation, before sending the detonation control command, the method further includes:
[0017] Determine the quality of wireless communication between the detonation controller and the electronic detonator;
[0018] Automatically switch communication frequency bands when wireless communication quality is good or poor.
[0019] The wireless detonation controller can automatically switch frequency bands by judging the quality of wireless communication, selecting the frequency band that is not subject to interference, thus ensuring the reliability of wireless communication.
[0020] In one optional implementation, determining the wireless communication quality between the detonation controller and the electronic detonator includes:
[0021] Send a first preset number of communication test commands to the electronic detonator at a preset communication frequency;
[0022] Receives communication feedback signals from electronic detonators;
[0023] If the number of received communication feedback signals exceeds the second preset number, the wireless communication quality of the corresponding preset communication frequency is determined to be excellent.
[0024] In one optional implementation, if the number of received communication feedback signals is within a preset range, and the wireless communication quality of the corresponding preset communication frequency is determined to be good, then the preset communication frequency is changed, and the communication test command is sent to the electronic detonator again for the first preset number of times.
[0025] In one optional implementation, if the number of received communication feedback signals is less than a third preset number, and the wireless communication quality of the corresponding preset communication frequency is determined to be poor, then the corresponding preset communication frequency is eliminated, the preset communication frequency is changed, and the communication test command for the first preset number of times is sent to the electronic detonator again.
[0026] The wireless detonator can determine the quality of wireless communication by communicating with the wireless electronic detonator, automatically hop frequencies, and select the frequency band with the best wireless communication quality to ensure communication reliability.
[0027] In one alternative implementation, prior to sending the detonation control command, the following steps are included:
[0028] Send a high-voltage charging command to the electronic detonator to charge it.
[0029] After confirming that all electronic detonator communications and timings are correct, the wireless detonator sends a high-voltage charging command and enters the detonation interface to ensure that the electronic detonators can detonate the explosives normally and improve the reliability of detonation.
[0030] In one alternative implementation, the detonation control command includes: a code-writing time and a countdown time.
[0031] All wireless electronic detonators are detonated at a predetermined time T, based on the time set by the wireless detonator, ensuring that all wireless electronic detonators detonate at the same time and guaranteeing the blasting effect.
[0032] Secondly, this invention provides a wireless electronic detonator initiation control method, applied to electronic detonators, the method comprising:
[0033] Receives a calibration signal sent by the detonation controller, which is used to calibrate the clock of the electronic detonator;
[0034] The reference time is read to adjust the clock of the electronic detonator and trigger the timer of the detonation controller and the electronic detonator to start timing. The reference time is the current time of the control device connected to the detonation controller.
[0035] Receives wireless detection signals sent by the detonation controller to detect the timer value of the electronic detonator;
[0036] It receives the detonation control command sent by the detonation controller to control the electronic detonator to detonate after a preset time, and feeds back the timer value to the detonation controller. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal.
[0037] Thirdly, the present invention provides a wireless electronic detonator detonation control system, the system comprising: a detonation controller and an electronic detonator;
[0038] Detonation controller, including:
[0039] The control equipment includes a remote host and a local slave unit, with the remote host used to interact with the local slave unit;
[0040] Detonation wireless module;
[0041] The detonation control module and the detonation wireless module are both located inside the short-range submachine gun. The detonation control module and the detonation wireless module are electrically connected. The detonation control module is used to send calibration signals to multiple electronic detonators that are wirelessly connected to the detonation controller through a single-shot detection clip. The calibration signals are used to calibrate the clock of the electronic detonators.
[0042] The detonation control module is also used to write a reference time to the electronic detonator through a single-shot detection clip to synchronize the clocks of all electronic detonators and trigger the timers of the detonation controller and the electronic detonators to start timing. The reference time is the current time of the short-range submachine gun. The detonation control module is also used to read the current time of the short-range submachine gun.
[0043] The detonation control module is also used to control the detonation wireless module to send a wireless detection signal to the electronic detonator in order to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal.
[0044] The detonation control module is also used to control the detonation wireless module to send detonation control commands to control the electronic detonators to detonate after a preset time, provided that the timer value of each electronic detonator is consistent with the timer of the detonation controller.
[0045] Electronic detonators, including:
[0046] An external timer is used to keep track of time when the reference time is written to the electronic detonator control module;
[0047] The detonator wireless module is wirelessly connected to the detonation wireless module and is used to receive wireless detection signals and detonation control commands.
[0048] The electronic detonator control module is electrically connected to an external timer and a detonator wireless module, and is also electrically connected to the detonation control module via a single-shot detection clip. It is used to receive calibration signals and write reference time.
[0049] The electronic detonator control module is also used to control the electronic detonator to detonate after a preset time. Attached Figure Description
[0050] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0051] Figure 1This is a flowchart illustrating the wireless electronic detonator initiation control method according to an embodiment of the present invention;
[0052] Figure 2 This is a schematic diagram of the connection between the detonation controller and the electronic detonator according to an embodiment of the present invention;
[0053] Figure 3 This is a flowchart illustrating another wireless electronic detonator initiation control method according to an embodiment of the present invention;
[0054] Figure 4 This is a schematic diagram of the structure of the initiation controller in the wireless electronic detonator initiation control system according to an embodiment of the present invention;
[0055] Figure 5 This is a schematic diagram of the electronic detonator in the wireless electronic detonator initiation control system according to an embodiment of the present invention. Detailed Implementation
[0056] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0057] The current method of controlling electronic detonators through wireless communication has poor synchronization, which affects the blasting effect.
[0058] In view of this, according to an embodiment of the present invention, a method for controlling the detonation of a wireless electronic detonator is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.
[0059] This embodiment provides a wireless electronic detonator initiation control method, which can be used in an initiation controller to control the initiation of the electronic detonator. Figure 1 This is a flowchart of a wireless electronic detonator initiation control method according to an embodiment of the present invention, such as... Figure 1 As shown, the process includes the following steps:
[0060] Step S101: Send a calibration signal to multiple electronic detonators wirelessly connected to the detonation controller. The calibration signal is used to calibrate the clock of the electronic detonators.
[0061] Both the detonator and the electronic detonator are equipped with wireless modules. The detonator can wirelessly connect to multiple electronic detonators simultaneously, meaning the wireless detonator can control multiple wireless electronic detonators at the same time. (See reference...) Figure 2 As shown.
[0062] In this embodiment, the detonation controller and electronic detonator can be connected via a single-shot test clip before sending the calibration signal. The detonation controller then sends a 1-second pulse wave as a calibration signal to the electronic detonator, which automatically calibrates its external clock based on the second pulse sent by the detonation controller. By using wired single-shot detection to correct all deviations in the external timers of the wireless electronic detonators, the accuracy of the clock can be effectively guaranteed.
[0063] Regarding clock calibration, due to the influence of temperature or manufacturing process, deviations in the clock oscillator may be difficult to eliminate, resulting in timing errors in the electronic detonator. In this embodiment, the clock can be calibrated by counting. For example, a 1-second pulse wave includes 1000 rising edges. Electronic detonator 1 reads 998 rising edges in 1 second, and electronic detonator 2 reads 999 rising edges in 1 second. By calculating the counts of the electronic detonators, the timing error of the electronic detonators can be statistically determined. Based on this timing error, the corresponding electronic detonator clock can be compensated, thereby achieving clock calibration.
[0064] Step S102: Write a reference time to the electronic detonator to synchronize the clocks of all electronic detonators and trigger the timers of the detonation controller and the electronic detonators to start timing. The reference time is the current time of the control device connected to the detonation controller.
[0065] In this embodiment, a single-shot detection method is used to write the reference time to the electronic detonator to ensure the accuracy of the electronic detonator's clock. The control device can be a short-range slave unit connected to the detonation controller. The short-range slave unit can be a handheld device. After the external clock of the electronic detonator is calibrated, the current time of the handheld device can be written to each electronic detonator as the reference time to ensure that the clocks of all electronic detonators are synchronized. After the reference time is written, the external high-precision timer of the electronic detonator starts timing, and the power module of the electronic detonator starts supplying power. The clock of the electronic detonator can provide a more accurate time reference to ensure that the explosion occurs within a predetermined time, while the external timer can be used to set the explosion delay time.
[0066] Step S103: Send a wireless detection signal to the electronic detonator to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal.
[0067] After the reference time is written to the electronic detonator, the detonation controller sends a wireless detection signal, i.e. a detection command, to the electronic detonator. After receiving the command, the wireless electronic detonator replies with the value of its external timer. The wireless detonation controller can determine whether the wireless electronic detonator is working properly and whether the timing is accurate based on the received timer value. The timer value can be the time difference between the written reference time and the received wireless detection signal.
[0068] Since clock calibration and reference time writing both use a single-shot detection method, the first shot may be recorded at 12 o'clock, while the Nth shot may not be recorded until 14 o'clock. Therefore, it is also possible to determine whether the wireless electronic detonator is working properly and whether the timing is accurate by sending wireless detection signals, so as to ensure that the electronic detonator can be detonated normally.
[0069] Step S104: After confirming that the timer value of each electronic detonator is consistent with the timing of the detonation controller, a detonation control command is sent to control the electronic detonators to detonate after a preset time.
[0070] After receiving the timer value from the electronic detonator, the detonation controller can compare it with its own timing mechanism. The timing mechanism's own timing can be the difference between the reference time and the time of transmitting the wireless detection signal. When the difference between the timer value and the timing time is within a preset range, such as 0-1 ms, it is determined that the timer value and the timing time are consistent.
[0071] After confirming that the wireless electronic detonator's timing is correct, functions such as electronic detonator testing and timing synchronization can be performed. The wireless electronic detonator will return its current status value and timing value. The detonation controller determines whether the wireless electronic detonator is functioning correctly based on the received status value. If it is correct, it proceeds to the next step, which is to send a detonation control command to all electronic detonators. The control command includes the estimated detonation time, enabling simultaneous control of the electronic detonators to detonate after the preset time.
[0072] In this embodiment, all electronic detonator clocks are calibrated using calibration signals to ensure their accuracy. After clock calibration, all wireless electronic detonators are detonated at the same time, ensuring that all wireless electronic detonators can detonate at the same time, thus guaranteeing the blasting effect. This method has high reliability.
[0073] Furthermore, wireless detonation avoids the drawbacks of wired systems, reduces wiring time, is no longer affected by terrain, and also reduces busbar expenditure, thus lowering costs.
[0074] In some alternative implementations, calibration signals are sent and reference times are written to the electronic detonator via single-shot detection;
[0075] After writing the reference time to the electronic detonator, the process includes: confirming that the wireless communication between the detonation controller and the electronic detonator is normal.
[0076] The single-shot test method for electronic detonators refers to connecting the detonation controller and the electronic detonator one-to-one through a single-shot test clip to perform wired single-shot tests on the electronic detonator. The wired single-shot test method can also be used to calibrate the clock of the electronic detonator and write a reference time to the electronic detonator.
[0077] Since clock calibration and reference time writing both use a single-shot detection method, in order to ensure that the electronic detonator can detonate normally under wireless control, it is also necessary to confirm whether the wireless communication between the detonation controller and the electronic detonator is normal. If the wireless communication is normal, a detection signal is then sent to the electronic detonator wirelessly to detect the timer value of the electronic detonator.
[0078] In this embodiment, using a single-shot detection method to send calibration signals and write reference time to the electronic detonator can more effectively ensure the accuracy of the electronic detonator clock. Furthermore, determining whether the wireless communication between the detonator and the electronic detonator is normal can ensure the reliability of both systems.
[0079] In some alternative implementations, the method further includes:
[0080] Step S201: Determine the wireless communication quality between the detonation controller and the electronic detonator;
[0081] Step S202: Automatically switch communication frequency bands when the wireless communication quality is good or poor.
[0082] The pre-programmed wireless electronic module can be installed into the detonator and electronic detonator. Before the detonator sends the detonation control command, the wireless electronic module can also be used to test the wireless communication quality between the wireless detonator and the wireless electronic detonator. The wireless detonator can automatically switch frequency bands based on the judgment of the wireless communication quality, selecting an interference-free frequency band to ensure the reliability of wireless communication.
[0083] In some optional implementations, step S201 above, determining the wireless communication quality between the detonation controller and the electronic detonator, includes:
[0084] Step S2011: Send a communication test command to the electronic detonator a first preset number of times at a preset communication frequency.
[0085] Step S2012: Receive the communication feedback signal from the electronic detonator.
[0086] Step S2013: If the number of received communication feedback signals is higher than the second preset number, the wireless communication quality of the corresponding preset communication frequency is determined to be excellent.
[0087] The electronic detonators can first be tested for communication using an initial fixed communication frequency set by the wireless detonator. For example, 50 communication test commands can be sent to each electronic detonator simultaneously. After receiving the communication test commands, the electronic detonators send back communication feedback signals to the detonator. The detonator determines the number of times the received communication feedback signals are sent. If the number of feedback signals for each electronic detonator is higher than 48, the communication frequency is considered to be of excellent quality.
[0088] In some optional implementations, step S201 above, determining the wireless communication quality between the detonation controller and the electronic detonator, includes:
[0089] In step S2014, if the number of received communication feedback signals is within a preset range, and the wireless communication quality of the corresponding preset communication frequency is determined to be good, then the preset communication frequency is changed, and the communication test command is sent to the electronic detonator again for the first preset number of times.
[0090] Using the example above, if the feedback count for each electronic detonator is between 47 and 40, then the communication frequency is considered to be of good quality. The frequency band and the number of successful communications are recorded, and frequency hopping communication is performed with a fixed step value, such as 10 MHz, with a maximum superposition value of 200 MHz. If an excellent communication frequency is found during this period, communication is conducted using that frequency. If no excellent frequency is found, the frequency is compared with the recorded good frequency bands to determine the communication frequency with better quality.
[0091] In some optional implementations, step S201 above, determining the wireless communication quality between the detonation controller and the electronic detonator, includes:
[0092] In step S2015, if the number of received communication feedback signals is less than the third preset number, it is determined that the wireless communication quality of the corresponding preset communication frequency is poor. Then, the corresponding preset communication frequency is removed, the preset communication frequency is changed, and the communication test command for the first preset number of times is sent to the electronic detonator again.
[0093] Using the example above, if the feedback count for each electronic detonator is less than 40, the communication frequency is determined to be of poor quality. This frequency band is then recorded and marked for removal. Frequency hopping communication is performed with a fixed step value, e.g., 10MHz, with a maximum superposition value of 200MHz. If a good communication frequency is found, it is used. If no good frequency is found, the frequency is compared to the recorded good frequency bands to identify the better quality. If all frequencies are poor, it indicates low wireless communication quality, and the user should be aware of environmental factors, effectively avoiding interference from fixed frequency bands.
[0094] In this embodiment, the wireless detonator can determine the quality of wireless communication through communication with the wireless electronic detonator, automatically hop frequencies, and select the frequency band with the best wireless communication quality to ensure the reliability of wireless communication.
[0095] In some alternative implementations, prior to sending the detonation control command, the following steps are included:
[0096] A high-voltage charging command is sent to the electronic detonator to charge the detonating capacitor in the electronic detonator for detonating explosives.
[0097] After confirming that all electronic detonator communications and timings are correct, the wireless detonator sends a high-voltage charging command and enters the detonation interface to ensure that the electronic detonators can detonate the explosives normally and improve the reliability of detonation.
[0098] In some alternative implementations, the detonation control command includes: a coded time and a countdown time.
[0099] The code-writing time refers to the set value of the internal timer of the detonation controller. For example, if the code-writing time is T0, the wireless detonation controller will count down for 5 seconds after the code is written before detonation. At this time, the wireless detonation controller issues a pre-detonation command, which includes the detonation time T. T = T0 + 5s. After receiving the command, the wireless electronic detonator returns a status value and locks itself, no longer receiving any data to ensure that its detonation is not affected by any interference. It then begins to wait for time T according to its own external timer value before detonating simultaneously.
[0100] In this embodiment, all wireless electronic detonators are detonated at a predetermined time T based on the time of the wireless detonation controller, ensuring that all wireless electronic detonators detonate at the same time and guaranteeing the blasting effect.
[0101] This embodiment provides a wireless electronic detonator initiation control method, which can be used to control the initiation of electronic detonators. Figure 3 This is a flowchart of a wireless electronic detonator initiation control method according to an embodiment of the present invention, such as... Figure 3 As shown, the process includes the following steps:
[0102] Step S301: Receive a calibration signal sent by the detonation controller. The calibration signal is used to calibrate the clock of the electronic detonator.
[0103] Step S302: Read the reference time to adjust the clock of the electronic detonator and trigger the timer of the detonation controller and the electronic detonator to start timing. The reference time is the current time of the control device connected to the detonation controller.
[0104] Step S303: Receive the wireless detection signal sent by the detonation controller to detect the timer value of the electronic detonator, and feed the timer value back to the detonation controller. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal.
[0105] Step S304: Receive the detonation control command sent by the detonation controller to control the electronic detonator to detonate after a preset time.
[0106] In this embodiment, all electronic detonator clocks are calibrated using calibration signals to ensure their accuracy. After clock calibration, all wireless electronic detonators are detonated at the same time, ensuring synchronization and thus guaranteeing the blasting effect. This method offers high reliability. Furthermore, wireless detonation avoids the drawbacks of wired systems, reduces wiring time, is not affected by terrain, and also reduces busbar expenditure, lowering costs.
[0107] Further functional descriptions of the above steps have been introduced in the corresponding embodiments above, and will not be repeated here.
[0108] This embodiment also provides a wireless electronic detonator initiation control system, which is used to implement the above embodiments and preferred embodiments; details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.
[0109] This embodiment provides a wireless electronic detonator detonation control system, the system including: a detonation controller 301 and an electronic detonator 302;
[0110] Reference Figure 4 As shown, the detonation controller 301 includes:
[0111] The control equipment includes a remote host (not shown in the figure) and a local slave unit 3011. The remote host is used to interact with the local slave unit 3011. The remote host can be a mobile terminal, etc., and the local slave unit 3011 can be a handheld device, etc. The remote host can communicate with multiple local slave units simultaneously via wireless connection. For example, the remote host can send control commands to multiple local slave units at the same time. After the local slave unit responds to the control command sent by the remote host, the detonation control module in the local slave unit executes the command to send calibration signals to the corresponding electronic detonator. A repeater can also be added to improve the wireless communication distance.
[0112] 3012 detonation wireless module;
[0113] The detonation control module 3013 and the detonation wireless module 3012 are both located inside the short-range sub-unit 3011. The detonation control module 3013 is electrically connected to the detonation wireless module 3012. The detonation control module 3013 is used to send calibration signals to multiple electronic detonators wirelessly connected to the detonation controller via a single-shot detection clip. The calibration signals are used to calibrate the clock of the electronic detonators.
[0114] The detonation control module 3013 is also used to write a reference time to the electronic detonator through a single-shot detection clip to synchronize the clocks of all electronic detonators and trigger the timers of the detonation controller and the electronic detonators to start timing. The reference time is the current time of the short-range slave unit 3011. The detonation control module 3013 is also used to read the current time of the short-range slave unit 3011.
[0115] The detonation control module 3013 is also used to control the detonation wireless module 3012 to send a wireless detection signal to the electronic detonator in order to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time, and the detection time is the time when the electronic detonator receives the wireless detection signal.
[0116] The detonation control module 3013 is also used to control the detonation wireless module 3012 to send a detonation control command to control the electronic detonators to detonate after a preset time, provided that the timer value of each electronic detonator is consistent with the timing time of the detonation controller.
[0117] The detonation control module 3013 is also used to determine the quality of wireless communication between the detonation controller and the electronic detonator, and automatically switch the communication frequency band when the wireless communication quality is good or poor.
[0118] The detonation bus interface 3014 is connected to the detonation control module 3013 and is used to connect to external devices.
[0119] Reference Figure 5 As shown, the electronic detonator 302 includes:
[0120] An external timer 3021 is used to keep time when the reference time is written to the electronic detonator control module 3023; the clock of the electronic detonator can be set on the electronic detonator control module 3023.
[0121] The detonator wireless module 3022 is wirelessly connected to the detonation wireless module 3012 and is used to receive wireless detection signals and detonation control commands.
[0122] The electronic detonator control module 3023 is electrically connected to the external timer 3021 and the detonator wireless module 3022, and is also electrically connected to the detonation control module 3013 via a single-shot detection clip, for receiving calibration signals and writing reference time.
[0123] The electronic detonator control module 3023 is also used to control the electronic detonator 302 to detonate after a preset time.
[0124] The power module 3024 is connected to the electronic detonator control module 3023 and also to the external timer 3021 to provide power.
[0125] The detonator bus interface 3025 is connected to the electronic detonator control module 3023 and is used to connect to external devices.
[0126] The ignition circuit 3026 is connected to the electronic detonator control module 3023 and is used for ignition.
[0127] The wireless electronic detonator initiation control system in this embodiment calibrates the clocks of all electronic detonators using calibration signals to ensure their accuracy. After clock calibration, all wireless electronic detonators are detonated at the same time, ensuring synchronization and thus guaranteeing the blasting effect. This method has high reliability. Furthermore, wireless initiation avoids the drawbacks of wired systems, reduces wiring time, is no longer affected by terrain, and also reduces busbar expenditure, lowering costs.
[0128] In this embodiment, the wireless electronic detonator detonation control system is presented in the form of functional units. Here, a unit refers to an ASIC circuit, a processor and memory that execute one or more software or fixed programs, and / or other devices that can provide the above-mentioned functions.
[0129] Further functional descriptions of the above modules and units are the same as those in the corresponding embodiments described above, and will not be repeated here.
[0130] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.
Claims
1. A method for controlling the initiation of a wireless electronic detonator, characterized in that, Applied to a detonation controller, the method includes: A calibration signal is sent to multiple electronic detonators wirelessly connected to the detonation controller, the calibration signal being used to calibrate the clock of the electronic detonators; A reference time is written to the electronic detonator to synchronize the clocks of all the electronic detonators and to trigger the timers of the detonation controller and the electronic detonators to start timing, wherein the reference time is the current time of the control device connected to the detonation controller; A wireless detection signal is sent to the electronic detonator to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time. The detection time is the time when the electronic detonator receives the wireless detection signal. If the timer value of each electronic detonator is consistent with the timing of the detonation controller, a detonation control command is sent to control the electronic detonator to detonate after a preset time.
2. The method according to claim 1, characterized in that, The calibration signal is sent and the reference time is written to the electronic detonator via a single-shot detection method; After writing the reference time to the electronic detonator, the process includes: Confirm that the wireless communication between the detonation controller and the electronic detonator is normal.
3. The method according to claim 1, characterized in that, Before sending the detonation control command, it also includes: Determine the quality of wireless communication between the detonation controller and the electronic detonator; The communication frequency band is automatically switched when the wireless communication quality is good or poor.
4. The method according to claim 3, characterized in that, The determination of the wireless communication quality between the detonation controller and the electronic detonator includes: At a preset communication frequency, a first preset number of communication test commands are sent to the electronic detonator; Receive the communication feedback signal from the electronic detonator; If the number of received communication feedback signals is higher than the second preset number, the wireless communication quality of the corresponding preset communication frequency is determined to be excellent.
5. The method according to claim 4, characterized in that, If the number of received communication feedback signals is within a preset range, and the wireless communication quality of the corresponding preset communication frequency is determined to be good, then the preset communication frequency is changed, and the communication test command is sent to the electronic detonator again for the first preset number of times.
6. The method according to claim 5, characterized in that, If the number of received communication feedback signals is less than a third preset number, and the wireless communication quality of the corresponding preset communication frequency is determined to be poor, then the corresponding preset communication frequency is eliminated, the preset communication frequency is changed, and the communication test command is sent to the electronic detonator again for a first preset number of times.
7. The method according to claim 1, characterized in that, Before sending the detonation control command, the following is included: A high-voltage charging command is sent to the electronic detonator to charge it.
8. The method according to claim 1, characterized in that, The detonation control commands include: the code-writing time and the countdown time.
9. A method for controlling the initiation of a wireless electronic detonator, characterized in that, Applied to electronic detonators, the method includes: Receive a calibration signal sent by the detonation controller, the calibration signal being used to calibrate the clock of the electronic detonator; The reference time is read to adjust the clock of the electronic detonator and trigger the timer of the detonation controller and the electronic detonator to start timing, wherein the reference time is the current time of the control device connected to the detonation controller; The device receives a wireless detection signal sent by the detonation controller to detect the timer value of the electronic detonator and feeds back the timer value to the detonation controller. The timer value is the time difference between the reference time and the detection time, and the detection time is the time when the electronic detonator receives the wireless detection signal. The device receives a detonation control command from the detonation controller to control the electronic detonator to detonate after a preset time.
10. A wireless electronic detonator initiation control system, characterized in that, The system includes: a detonation controller and an electronic detonator; The detonation controller includes: A control device, comprising a remote host and a local sub-machine, wherein the remote host is used to interact with the local sub-machine; Detonation wireless module; The detonation control module and the detonation wireless module are both located inside the short-range submachine gun. The detonation control module is electrically connected to the detonation wireless module. The detonation control module is used to send calibration signals to multiple electronic detonators wirelessly connected to the detonation controller via a single-shot detection clip. The calibration signals are used to calibrate the clocks of the electronic detonators. The detonation control module is also used to write a reference time to the electronic detonator through a single-shot detection clip to synchronize the clocks of all the electronic detonators and trigger the timers of the detonation controller and the electronic detonators to start timing, wherein the reference time is the current time of the short-range submachine gun; the detonation control module is also used to read the current time of the short-range submachine gun; The detonation control module is also used to control the detonation wireless module to send a wireless detection signal to the electronic detonator to detect the timer value of the electronic detonator. The timer value is the time difference between the reference time and the detection time, and the detection time is the time when the electronic detonator receives the wireless detection signal. The detonation control module is also used to control the detonation wireless module to send a detonation control command when it is determined that the timer value of each electronic detonator is consistent with the timing time of the detonation controller, so as to control the electronic detonator to detonate after a preset time. The electronic detonator includes: An external timer is used to keep track of the time when the reference time is written to the electronic detonator control module; The detonator wireless module is wirelessly connected to the detonation wireless module and is used to receive the wireless detection signal and the detonation control command. The electronic detonator control module is electrically connected to the external timer and the detonator wireless module, and is also electrically connected to the detonation control module via a single-shot detection clip, for receiving the calibration signal and writing the reference time. The electronic detonator control module is also used to control the electronic detonator to detonate after a preset time.