Whole millisecond excitation method and device of digital detonator for exploration

Abstract

The invention discloses a whole millisecond excitation method of a digital detonator for exploration, and the method comprises the following steps: sending a detonation instruction at the whole second moment of preset detonation time through a controller core board, and recording the whole second moment as a first moment; when the detonator control panel detects that the detonating instruction is a high-level pulse signal, entering a detonator detonating flow, and recording the moment of entering the detonator detonating flow as a second moment; the detonating time is determined through the detonator control board, the detonator core board is controlled through the detonator control board to excite the detonator at the detonating time, and the post-blasting TB is returned to the controller core board; when the controller core board detects that the level signal of the pin is a high level, the current moment is recorded as a third moment and is used as the post-blasting time of the detonator excitation, and the detonation time is controlled through the pulse signal between the controller core board and the detonator control board, so that the accuracy of the time is ensured, and the whole millisecond excitation of the detonator is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detonator triggering, and more particularly to a whole-millisecond triggering method and device for a digital detonator used for exploration. BACKGROUND

[0002] With the implementation of high-density seismic exploration, the current has entered the era of independent acquisition in full-node acquisition. Node seismic data acquisition is a major change in seismic exploration technology. It can independently record seismic signals, be flexibly deployed, break away from the shackles of traditional wiring, reduce the labor intensity and labor quantity of field operation, and improve the production efficiency of seismic exploration. At the same time, it also brings changes in seismic data acquisition mode, data processing mode and data application mode.

[0003] Node data processing first needs to cut the data. Data cutting is to divide the continuously acquired original seismic data into standardized data sets according to certain rules. Usually, the data is cut on multiple nodes with the firing time as the index, and all data corresponding to the same shot point is extracted to form a single shot record. Because the detonation characteristics parameters of digital detonators of various manufacturers are different, the TB time returned by the detonator triggering has randomness. The triggering TB time recorded by the detonation controller can be accurate to microseconds, while the data storage in the node is generally in units of milliseconds. The microsecond part of the triggering TB time cannot be strictly aligned with the data in the node, which will affect the data integrity of the seismic data cutting. Therefore, ensuring the detonation time in whole milliseconds has great significance for improving the data quality.

[0004] Therefore, a better solution is needed. SUMMARY

[0005] The present application provides a whole-millisecond triggering method and device for a digital detonator used for exploration to solve the technical problems of the prior art as described in the background art. The method is applied to a whole-millisecond triggering system for a digital detonator used for exploration, which includes a controller core board, a detonator control board and a plurality of detonator core boards. The detonator control board is connected to the controller core board and the plurality of detonator core boards through pins. The method comprises: The controller core board sends a detonation instruction at the whole-second moment of the predetermined detonation time, and records the whole-second moment as a first moment; When the detonator control board detects that the detonation instruction is a high-level pulse signal, the detonator detonation process is entered, and the moment when the detonator detonation process is entered is recorded as a second moment. The detonation logic processing process includes time synchronization verification, detonator core board identification, preset value extraction and detonation time determination; The detonator control board determines the detonation time, and the detonator control board controls the detonator core board to detonate the detonator at the detonation time, and returns post-shot TB to the controller core board. When the controller core board detects that the level signal of the pin is high, it records the current time as the third moment and uses it as the post-fire time of the detonator firing.

[0006] In some specific embodiments, the method further includes: The controller core board uses a second pulse signal to perform time calibration with the detonator control board once per second to ensure that the detonator control board and the controller core board are synchronized in time.

[0007] In some specific embodiments, the high-level pulse signal is specifically a 3.3V high-level pulse signal with a width of 10ms.

[0008] In some specific embodiments, the detonator control board determines the detonation time, and controls the detonator core plate to activate the detonator at the detonation time, and returns the post-blast TB to the controller core plate, specifically as follows: The detonator control board determines the detonation time based on the model of the currently configured detonator core board; The detonator is activated via the detonator core plate at the initiation time. The detonator control board sends the high-level pulse signal to the controller core board through the pin, and returns the post-blast TB to the controller core board at the detonation time.

[0009] In some specific embodiments, after the controller core board detects that the level signal of the pin is high, and records the current time as the third moment and uses it as the post-fire time of this detonator firing, the method further includes: The controller core board collects the pulse signal on the connection line between the digital detonator core board and the digital detonator in real time, and records the time when the pulse signal is collected as the fourth moment. Based on the aforementioned fourth moment, post-blast TB, and third moment, it was confirmed whether the digital detonator was actually detonated.

[0010] In some specific embodiments, the detonation time is specifically the sum of the second moment and a first preset value, wherein the first preset value is 20ms.

[0011] In some specific embodiments, the ignition system loads up to three types of detonator core plates, and during the detonation process, the ignition system is configured with only one type of detonator core plate.

[0012] Accordingly, the present invention also proposes an integer millisecond excitation device for exploration digital detonators, applied in an exploration digital detonator integer millisecond excitation system comprising a controller core board, a detonator control board, and several detonator core boards, wherein the detonator control board is connected to the controller core board and the several detonator core boards respectively via pins, and the device comprises: The detonation command issuing module is used to issue a detonation command through the controller core board at the whole second of the predetermined detonation time, and to record the whole second as the first moment. The detonation logic processing module is used to enter the detonator detonation process when the detonator control board detects that the detonation command is a high-level pulse signal, and to record the moment of entering the detonator detonation process as the second moment. The detonation logic processing process includes checking time synchronization, identifying the detonator core board, extracting preset values ​​and determining the detonation time. The activation module is used to determine the detonation time through the detonator control board, control the detonator core plate to activate the detonator at the detonation time through the detonator control board, and return the post-blast TB to the controller core plate; The post-firing module is used to record the current moment as the third moment when the controller core board detects that the level signal of the pin is high, and use it as the post-firing time of this detonator firing.

[0013] One embodiment of the present invention also provides a computing device, including: a memory and a processor; the memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions, wherein when the computer-executable instructions are executed by the processor, the steps of the whole-millisecond excitation method for the digital detonator for exploration as described in any of the above claims are implemented.

[0014] One embodiment of the present invention also provides a computer-readable storage medium storing computer-executable instructions that, when executed by a processor, implement the steps of the whole-millisecond excitation method for a digital detonator for exploration as described in any of the preceding claims.

[0015] By applying the above technical solutions, a method for triggering digital detonators for exploration using whole milliseconds is proposed. This method is applied to a whole millisecond triggering system for digital detonators for exploration, comprising a controller core board, a detonator control board, and several detonator core boards. The detonator control board is connected to the controller core board and the several detonator core boards via pins. The method includes: the controller core board issuing a detonation command at a predetermined detonation time at a whole second, and recording this whole second as the first moment; when the detonator control board detects that the detonation command is a high-level pulse signal, it enters the detonation... The detonator initiation process is described, and the moment of entering the detonator initiation process is recorded as the second moment. The detonator control board determines the initiation time and controls the detonator core board to activate the detonator at the initiation time, and returns the post-blast time (TB) to the controller core board. When the controller core board detects that the level signal of the pin is high, it records the current moment as the third moment and uses it as the post-blast time of this detonator activation. The ignition time is controlled by the pulse signal between the controller core board and the detonator control board to ensure the accuracy of the time and achieve the activation of the detonator in whole milliseconds. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a flowchart of an integer millisecond excitation method for a digital detonator used in exploration, provided in an embodiment of this application; Figure 2 This is a schematic diagram of the structure of an integral millisecond excitation device for a digital detonator used in exploration, provided in an embodiment of this application; Figure 3 This is a structural block diagram of a computing device provided in an embodiment of this application; Figure 4 This is a schematic diagram of an integer millisecond excitation system for a digital detonator used in exploration, provided in an embodiment of this application. Detailed Implementation

[0018] Many specific details are set forth in the following description to provide a full understanding of this specification. However, this specification can be implemented in many other ways than those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this specification. Therefore, this specification is not limited to the specific implementations disclosed below.

[0019] The terminology used in one or more embodiments of this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of this specification. The singular forms “a” and “the” as used in one or more embodiments of this specification and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used in one or more embodiments of this specification refers to and includes any or all possible combinations of one or more associated listed items.

[0020] It should be understood that although the terms first, second, etc., may be used to describe various information in one or more embodiments of this specification, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first may also be referred to as second without departing from the scope of one or more embodiments of this specification, and similarly, second may also be referred to as first. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to a determination."

[0021] like Figure 1 and Figure 4 As shown, this application proposes a whole-millisecond excitation method for digital detonators used in exploration, applied to a whole-millisecond excitation system for digital detonators used in exploration, comprising a controller core board, a detonator control board, and several detonator core boards. The detonator control board is connected to the controller core board and the several detonator core boards respectively via pins. The method includes the following steps: Step S101: The controller core board issues a detonation command at a whole second of the predetermined detonation time, and records the whole second as the first moment.

[0022] In one possible implementation, the method further includes: The controller core board uses a second pulse signal to perform time calibration with the detonator control board once per second to ensure that the detonator control board and the controller core board are synchronized in time.

[0023] In this embodiment, the controller core board uses a second pulse signal to perform time calibration with the detonator control board once per second, ensuring that the time of the detonator control board and the controller core board is synchronized and the time error between them is ≤10μs.

[0024] In this embodiment, when performing digital detonator detonation, the controller core board initiates the operation process. At the predetermined detonation time, a detonation command is issued at the pins between the controller and the detonator control board at the last second. The command is a 3.3V high-level pulse signal with a width of 10ms, and this moment is recorded as T0.

[0025] Step S102: When the detonator control board detects that the detonation command is a high-level pulse signal, it enters the detonator detonation process and records the moment of entering the detonator detonation process as the second moment.

[0026] In one possible implementation, the high-level pulse signal is specifically a 3.3V high-level pulse signal with a width of 10ms.

[0027] In this embodiment, the detonator control board monitors the level signal of the pin in real time. When the pin is detected to be at a high level, the program interrupt is triggered, and the detonator detonation process is entered. This moment is recorded as T1.

[0028] Step S103: Determine the detonation time through the detonator control board, and control the detonator core plate through the detonator control board to activate the detonator at the detonation time, and return the detonator to the controller core plate at the post-blast TB.

[0029] In one possible implementation, the detonator control board determines the detonation time, and the detonator control board controls the detonator core plate to activate the detonator at the detonation time, and returns the post-blast TB to the controller core plate, specifically as follows: The detonator control board determines the detonation time based on the model of the currently configured detonator core board; The detonator is activated via the detonator core plate at the initiation time. The detonator control board sends the high-level pulse signal to the controller core board through the pin, and returns the post-blast TB to the controller core board at the detonation time.

[0030] In one possible implementation, the detonation time is specifically the sum of the second moment and a first preset value, wherein the first preset value is 20ms.

[0031] In one possible implementation, the activation system loads up to three different types of detonator core plates, and during the detonation process, the activation system is configured with only one type of detonator core plate.

[0032] In this embodiment, the detonator control board supports loading three types of detonator core boards to match digital detonators from different manufacturers. However, it can only be configured with one type during operation. Since the detonation time of detonator core boards from different manufacturers varies, the detonator control board precisely controls the detonation time to T1+20ms based on the currently configured digital core board model. At this time, it returns the post-blast TB signal and sends a 3.3V high-level pulse signal with a width of 10ms through the pins between it and the controller core board.

[0033] In this embodiment, the controller core board monitors the level signal of the pin in real time. When the pin is detected to be high, the program interrupt is triggered, and the current time T2 is collected as the post-fire time of this firing. Theoretically, T2 = T1 + 20ms.

[0034] Step S104: When the controller core board detects that the level signal of the pin is high, it records the current time as the third time and uses it as the post-fire time of the detonator firing.

[0035] In one possible implementation, after the controller core board detects that the level signal of the pin is high, and records the current time as the third moment and uses it as the post-fire time of this detonator firing, the method further includes: The controller core board collects the pulse signal on the connection line between the digital detonator core board and the digital detonator in real time, and records the time when the pulse signal is collected as the fourth moment. Based on the aforementioned fourth moment, post-blast TB, and third moment, it was confirmed whether the digital detonator was actually detonated.

[0036] In this embodiment, the controller core board collects the pulse signal on the connection line between the digital detonator core board and the digital detonator, and records the time T3 to assist in verifying the post-blast TB and T2, which is used to confirm whether the digital detonator has actually detonated.

[0037] In summary, this invention proposes a method for the whole-millisecond excitation of digital detonators for exploration. This method is applied to an exploration digital detonator whole-millisecond excitation system, comprising a controller core board, a detonator control board, and several detonator core boards. The detonator control board is connected to the controller core board and the several detonator core boards via pins. The method includes: the controller core board issuing an initiation command at a predetermined initiation time in whole seconds, and recording the whole second as the first moment; when the detonator control board detects that the initiation command is a high-level pulse signal, entering the detonator initiation process, and recording the moment of entering the detonator initiation process as the second moment; determining the initiation time through the detonator control board, and controlling the detonator core boards to excite the detonator at the initiation time through the detonator control board, and returning the post-blast time (TB) to the controller core board; when the controller core board detects that the level signal of the pin is high, recording the current moment as the third moment, and using it as the post-blast time for this detonator excitation; controlling the detonation time through pulse signals between the controller core board and the detonator control board to ensure time accuracy and achieve whole-millisecond excitation of the detonator.

[0038] This application also proposes an integer millisecond excitation device for a digital detonator used in exploration, such as... Figure 2As shown, an exploration digital detonator's millisecond excitation system is applied, comprising a controller core board, a detonator control board, and several detonator core boards. The detonator control board is connected to the controller core board and the several detonator core boards via pins. The device includes: The detonation command issuing module 10 is used to issue a detonation command through the controller core board at a whole second of the predetermined detonation time, and to record the whole second as the first moment. The detonation logic processing module 20 is used to enter the detonator detonation process when the detonator control board detects that the detonation command is a high-level pulse signal, and to record the moment of entering the detonator detonation process as the second moment. The detonation logic processing process includes checking time synchronization, identifying the detonator core board, extracting preset values ​​and determining the detonation time. The activation module 30 is used to determine the detonation time through the detonator control board, control the detonator core plate to activate the detonator at the detonation time through the detonator control board, and return the post-blast TB to the controller core plate. The post-firing module 40 is used to record the current moment as the third moment when the controller core board detects that the level signal of the pin is high, and use it as the post-firing time of this detonator firing.

[0039] Figure 3 A structural block diagram of a computing device 400 according to one embodiment of this specification is shown. The components of the computing device 400 include, but are not limited to, a memory 410 and a processor 420. The processor 420 is connected to the memory 410 via a bus 430, and a database 450 is used to store data.

[0040] The computing device 400 also includes an access device 440, which enables the computing device 400 to communicate via one or more networks 460. Examples of these networks include Public Switched Telephone Network (PSTN), Local Area Network (LAN), Wide Area Network (WAN), Personal Area Network (PAN), or combinations of communication networks such as the Internet. The access device 440 may include one or more of any type of wired or wireless network interface (e.g., a network interface card (NIC)), such as an IEEE 802.11 Wireless Local Area Network (WLAN) wireless interface, a Wi-MAX (Worldwide Interoperability for Microwave Access) interface, an Ethernet interface, a Universal Serial Bus (USB) interface, a cellular network interface, a Bluetooth interface, or a Near Field Communication (NFC) interface.

[0041] In one embodiment of this specification, the aforementioned components of the computing device 400 and Figure 3 Other components, not shown, can also be connected to each other, for example, via a bus. It should be understood that... Figure 3 The block diagram of the computing device shown is for illustrative purposes only and is not intended to limit the scope of this specification. Those skilled in the art can add or replace other components as needed.

[0042] The computing device 400 can be any type of stationary or mobile computing device, including mobile computers or mobile computing devices (e.g., tablet computers, personal digital assistants, laptop computers, notebook computers, netbooks, etc.), mobile phones (e.g., smartphones), wearable computing devices (e.g., smartwatches, smart glasses, etc.) or other types of mobile devices, or stationary computing devices such as desktop computers or personal computers (PCs). The computing device 400 can also be a mobile or stationary server.

[0043] The processor 420 executes computer-executable instructions, which, when executed by the processor, implement the steps of the above-described method for the whole-millisecond excitation of a digital detonator for exploration. The above is an illustrative scheme of a computing device according to this embodiment. It should be noted that the technical solution of this computing device and the technical solution of the above-described method for the whole-millisecond excitation of a digital detonator for exploration belong to the same concept. Details not described in detail in the technical solution of the computing device can be found in the description of the technical solution of the above-described method for the whole-millisecond excitation of a digital detonator for exploration.

[0044] An embodiment of this specification also provides a computer-readable storage medium storing computer-executable instructions that, when executed by a processor, implement the steps of the above-described method for the whole-millisecond excitation of a digital detonator for exploration.

[0045] The above is an illustrative scheme of a computer-readable storage medium according to this embodiment. It should be noted that the technical solution of this storage medium belongs to the same concept as the technical solution of the whole millisecond excitation method of the digital detonator for exploration described above. For details not described in detail in the technical solution of the storage medium, please refer to the description of the technical solution of the whole millisecond excitation method of the digital detonator for exploration described above.

[0046] An embodiment of this specification also provides a computer program, wherein when the computer program is executed in a computer, it causes the computer to perform the steps of the above-described method for the whole-millisecond excitation of a digital detonator for exploration.

[0047] The above is an illustrative scheme of a computer program according to this embodiment. It should be noted that the technical solution of this computer program belongs to the same concept as the technical solution of the above-described method for the whole millisecond excitation of a digital detonator for exploration. For details not described in detail in the technical solution of the computer program, please refer to the description of the technical solution of the above-described method for the whole millisecond excitation of a digital detonator for exploration.

[0048] The foregoing has described specific embodiments of this specification. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than that shown in the embodiments and may still achieve the desired result. Furthermore, the processes depicted in the drawings do not necessarily require the specific or sequential order shown to achieve the desired result. In some embodiments, multitasking and parallel processing are possible or may be advantageous.

[0049] The computer instructions include computer program code, which may be in the form of source code, object code, executable file, or some intermediate form. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording media, USB flash drive, portable hard drive, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signals, telecommunication signals, and software distribution media, etc. It should be noted that the content included in the computer-readable medium may be appropriately added to or subtracted according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media may not include electrical carrier signals and telecommunication signals.

[0050] It should be noted that, for the sake of simplicity, the foregoing method embodiments are all described as a series of actions. However, those skilled in the art should understand that the embodiments in this specification are not limited to the described order of actions, because according to the embodiments in this specification, some steps can be performed in other orders or simultaneously. Furthermore, those skilled in the art should also understand that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the embodiments in this specification.

[0051] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0052] The preferred embodiments disclosed above are merely illustrative of this specification. The optional embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the embodiments described herein. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the embodiments, thereby enabling those skilled in the art to better understand and utilize this specification. This specification is limited only by the claims and their full scope and equivalents.

Claims

1. A method for excitation of digital detonators for exploration using integer milliseconds, characterized in that, An integral millisecond excitation system for exploration digital detonators, comprising a controller core board, a detonator control board, and several detonator core boards, wherein the detonator control board is connected to the controller core board and the several detonator core boards respectively via pins, the method comprising: The controller core board issues a detonation command at the exact second of the predetermined detonation time, and records the exact second as the first moment. When the detonator control board detects that the detonation command is a high-level pulse signal, it enters the detonator detonation process and records the moment of entering the detonator detonation process as the second moment. The detonation logic processing flow includes checking time synchronization, identifying the detonator core board, extracting preset values ​​and determining the detonation time. The detonator control board determines the detonation time and controls the detonator core plate to activate the detonator at the detonation time, and returns the result to the controller core plate after the shot (TB). When the controller core board detects that the level signal of the pin is high, it records the current time as the third moment and uses it as the post-fire time of the detonator firing.

2. The method according to claim 1, characterized in that, The method further includes: The controller core board uses a second pulse signal to perform time calibration with the detonator control board once per second to ensure that the detonator control board and the controller core board are synchronized in time.

3. The method according to claim 1, characterized in that, The high-level pulse signal is specifically a 3.3V high-level pulse signal with a width of 10ms.

4. The method according to claim 3, characterized in that, The detonator control board determines the detonation time and controls the detonator core plate to activate the detonator at the detonation time, then returns the post-blast TB to the controller core plate, specifically as follows: The detonator control board determines the detonation time based on the model of the currently configured detonator core board; The detonator is activated via the detonator core plate at the initiation time. The detonator control board sends the high-level pulse signal to the controller core board through the pin, and returns the post-blast TB to the controller core board at the detonation time.

5. The method according to claim 4, characterized in that, After the controller core board detects that the level signal of the pin is high, records the current time as the third moment, and uses it as the post-fire time of this detonator firing, the following is also included: The controller core board collects the pulse signal on the connection line between the digital detonator core board and the digital detonator in real time, and records the time when the pulse signal is collected as the fourth moment. Based on the time difference between the fourth moment, the post-blast TB, and the third moment, the accuracy of the actual detonation time is confirmed by comparing it with relevant industry norms and standards.

6. The method according to claim 1, characterized in that, The detonation time is specifically the sum of the second moment and the first preset value, wherein the first preset value is 20ms.

7. The method according to claim 1, characterized in that, The activation system can load up to three different types of detonator core plates, and during the detonation process, the activation system can be configured with only one type of detonator core plate.

8. A whole-millisecond excitation device for a digital detonator used in exploration, characterized in that, An integral millisecond excitation system for exploration digital detonators, comprising a controller core board, a detonator control board, and several detonator core boards, wherein the detonator control board is connected to the controller core board and the several detonator core boards via pins, and the device includes: The detonation command issuing module is used to issue a detonation command through the controller core board at the whole second of the predetermined detonation time, and to record the whole second as the first moment. The detonation logic processing module is used to enter the detonator detonation process when the detonator control board detects that the detonation command is a high-level pulse signal, and to record the moment of entering the detonator detonation process as the second moment. The detonation logic processing process includes checking time synchronization, identifying the detonator core board, extracting preset values ​​and determining the detonation time. The activation module is used to determine the detonation time through the detonator control board, control the detonator core plate to activate the detonator at the detonation time through the detonator control board, and return the post-blast TB to the controller core plate; The post-firing module is used to record the current moment as the third moment when the controller core board detects that the level signal of the pin is high, and use it as the post-firing time of this detonator firing.

9. A computing device, characterized in that, include: Memory and processor; The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions, which, when executed by the processor, implement the steps of the whole-millisecond excitation method of the digital detonator for exploration as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, It stores computer-executable instructions that, when executed by a processor, implement the steps of the whole-millisecond excitation method for the digital detonator for exploration as described in any one of claims 1 to 7.

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