CN117308709A - Electronic detonator control module - Google Patents
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- CN117308709A CN117308709A CN202310256974.5A CN202310256974A CN117308709A CN 117308709 A CN117308709 A CN 117308709A CN 202310256974 A CN202310256974 A CN 202310256974A CN 117308709 A CN117308709 A CN 117308709A
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- 239000003990 capacitor Substances 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000005474 detonation Methods 0.000 claims abstract description 17
- 230000000977 initiatory effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006855 networking Effects 0.000 description 3
- 102100022273 Disrupted in schizophrenia 1 protein Human genes 0.000 description 2
- 101000902072 Homo sapiens Disrupted in schizophrenia 1 protein Proteins 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
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Abstract
The invention provides an electronic detonator control module, and relates to the field of electronic detonators. The circuit board comprises a circuit board, a left foot line input terminal and a right foot line input terminal, wherein the left foot line input terminal and the right foot line input terminal are connected with one end of the circuit board through a left foot line bonding pad and a right foot line bonding pad respectively; the left foot line bonding pad and the right foot line bonding pad are zigzag; a differential mode bleeder module is arranged between the left foot line input terminal and the right foot line input terminal; the input end of the main control chip on the circuit board is provided with a positive half-bridge module; y discharge capacitors are respectively introduced between the left leg wire input terminal and the reference ground and between the right leg wire input terminal and the reference ground; after the electronic detonator receives the initiation command, the main control chip is controlled by a data transmission circuit in the communication module, so that a left leg wire input terminal and a right leg wire input terminal of the main control chip are in a short circuit state; and closing a charging control circuit of the main control chip to the detonation capacitor. The invention can reduce the interference of the electronic detonator and avoid the explosion rejection phenomenon.
Description
Technical Field
The invention relates to the field of electronic detonators, in particular to an electronic detonator control module.
Background
With the development of electronic detonator technology, electronic detonators are increasingly widely applied in various environments, some problems in application of networked blasting operation such as explosion rejection, post-explosion failure, post-hole failure and the like of the electronic detonators are gradually exposed, and generally the failures are closely related to electrostatic induction (ESD) and electromagnetic pulse (EMP) existing in the environment, particularly in sequential blasting operation, an ionized layer is generated when a first-explosion blasthole explosive is exploded, complex electromagnetic induction pulse is generated on an explosion zone bus and a post-explosion detonator leg wire, and when an electronic module of the post-explosion electronic detonator cannot bear the EMP pulse generated by explosion, permanent or temporary failure of an electronic delay module is caused, so that the explosion rejection phenomenon of the electronic detonator is caused. Since the strength of electromagnetic interference is inversely proportional to the square of distance, the smaller the spacing the stronger the interference, and thus the more pronounced the implosion caused by such interference in small-spacing metal tunnels. Because the detonator shell is a metal shell, external interference can only be conducted into the interior through the detonator leg wire under normal conditions, and the detonator shell is in a common mode and a differential mode of surge conduction interference. Therefore, it is currently required to design an electronic detonator control module to reduce the interference of the electronic detonator and avoid the explosion rejection phenomenon.
Disclosure of Invention
The invention aims to provide an electronic detonator control module which can reduce the interference of an electronic detonator and avoid the explosion rejection phenomenon.
In order to solve the technical problems, the invention adopts the following technical scheme:
the embodiment of the application provides an electronic detonator control module, which comprises a circuit board, a left leg wire input terminal and a right leg wire input terminal, wherein the left leg wire input terminal and the right leg wire input terminal are connected with one end of the circuit board through a left leg wire bonding pad and a right leg wire bonding pad respectively; (1) The left foot line bonding pad and the right foot line bonding pad are saw-tooth; (2) A differential mode bleeder module is arranged between the left foot line input terminal and the right foot line input terminal; (3) The input end of the main control chip on the circuit board is provided with a positive half-bridge module; (4) Y discharge capacitors are respectively introduced between the left leg wire input terminal and the reference ground and between the right leg wire input terminal and the reference ground; (5) After the main control chip receives the initiation command, the main control chip (A) is controlled by a data transmission circuit in the communication module, so that the left leg wire input terminal and the right leg wire input terminal of the main control chip are in a short circuit state; (B) And closing a charging control circuit of the main control chip on the detonation capacitor to enable a charging path of the detonation capacitor to be in a high-resistance state.
In some embodiments of the invention, the differential mode bleed module includes a gas discharge tube, a varistor, and a differential mode rejection pair tube.
In some embodiments of the present invention, the positive half-bridge module uses a voltage-stabilizing pair or a schottky pair to generate the positive output of the bridge.
In some embodiments of the present invention, one end of the positive half-bridge module is connected to the INA pin of the input end of the main control chip, the other end is connected to the INB pin of the input end of the main control chip, and the positive output of the positive half-bridge module is connected to the C1 pin of the main control chip.
In some embodiments of the present invention, one end of the differential mode bleeder module is connected to the INA pin through a first resistor R1, and the other end of the differential mode bleeder module is connected to the INB pin through a second resistor R2; one end of the positive half-bridge module is connected between the first resistor R1 and the INA pin, and the other end is connected between the second resistor R2 and the INB pin.
In some embodiments of the present invention, the electronic detonator control module includes a first energy storage capacitor C1 and a second energy storage capacitor C2; one end of the first energy storage capacitor C1 is connected between the positive output of the positive half-bridge module and the C1 pin, and the other end of the first energy storage capacitor C1 is connected with a reference ground; the second energy storage capacitor C2 is connected between the VOUT pin of the main control chip and the reference ground.
In some embodiments of the present invention, the electronic detonator control module includes a first discharge capacitor C4 and a second discharge capacitor C5; one end of the first discharging capacitor C4 is connected between the first resistor R1 and the INA pin, and the other end of the first discharging capacitor C4 is connected to the ground; the second discharging capacitor C5 is connected between the VOUT pin of the main control chip and the reference ground.
In some embodiments of the present invention, an electronic detonator control module comprises an ignition element F; one end of the ignition element F is connected to the C2 pin of the main control chip, and the other end of the ignition element F is connected to the FIN pin of the main control chip.
In some embodiments of the present invention, the electronic detonator control module includes a BIT detection circuit; the BIT detection circuit is used for detecting states of the second energy storage capacitor C2 and the ignition element F, and judging whether circuits of different parts are in a normal working state according to different control states and output results of the BIT detection circuit.
In some embodiments of the present invention, the electronic detonator control module includes a digital logic control circuit; the digital logic control circuit is used for receiving and analyzing the digital command signals input from the outside and executing actions corresponding to the commands.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
(1) The left foot line bonding pad and the right foot line bonding pad are zigzag, so that a discharge spike design is added at the PCB input end of the module, and strong interference is discharged through tip discharge;
(2) A differential mode bleeder module is arranged between a left foot line and a right foot line of the module, so that a discharging measure is added, and an excessively high input differential mode voltage is bleeder;
(3) The positive half-bridge module is arranged at the input end of the chip, and the rectifying half-bridge function is realized while the input voltage is limited.
(4) A Y discharge capacitor is introduced between the input of the foot line end and the reference ground of the module, and common mode input interference voltage is discharged;
(5) When the chip is designed, the characteristics of the electronic detonator that the electronic detonator receives the initiation instruction are utilized when the electronic detonator is applied in a networking way, and after the electronic detonator receives the initiation instruction, the data transmitting circuit in the communication module is utilized to enable two input short circuits of the chip to be in a short circuit state, so that the possibly-introduced differential mode voltage is discharged; and the charging control circuit of the chip to the detonation capacitor is closed, so that the charging path of the detonation capacitor is in a high-resistance state, and the interference of surge pulse to the rear end of the chip is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic circuit diagram of an electronic detonator control module of embodiment 1 of the present invention;
FIG. 2 is a schematic circuit diagram of a main control chip in embodiment 1 of the present invention;
FIG. 3 is a flow chart of the electronic detonator control module of embodiment 1 of the present invention;
fig. 4 is a schematic diagram of an electronic device in embodiment 2 of the present invention.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
Referring to fig. 1 to 3, fig. 1 to 3 are schematic diagrams of an electronic detonator control module according to an embodiment of the present application. The electronic detonator control module comprises a circuit board, a left foot line input terminal and a right foot line input terminal, wherein the left foot line input terminal and the right foot line input terminal are connected with one end of the circuit board through a left foot line bonding pad and a right foot line bonding pad respectively; (1) The left foot line bonding pad and the right foot line bonding pad are saw-tooth; (2) A differential mode bleeder module is arranged between the left foot line input terminal and the right foot line input terminal; (3) The input end of the main control chip on the circuit board is provided with a positive half-bridge module; (4) Y discharge capacitors are respectively introduced between the left leg wire input terminal and the reference ground and between the right leg wire input terminal and the reference ground; (5) After the main control chip receives the initiation command, the main control chip (A) is controlled by a data transmission circuit in the communication module, so that the left leg wire input terminal and the right leg wire input terminal of the main control chip are in a short circuit state; (B) And closing a charging control circuit of the main control chip on the detonation capacitor to enable a charging path of the detonation capacitor to be in a high-resistance state.
(1) The left foot line bonding pad and the right foot line bonding pad are zigzag, so that a discharge spike design is added at the PCB input end of the module, and strong interference is discharged through tip discharge; (2) A differential mode bleeder module is arranged between a left foot line and a right foot line of the module, so that a discharging measure is added, and an excessively high input differential mode voltage is bleeder; (3) The positive half-bridge module is arranged at the input end of the chip, and the rectifying half-bridge function is realized while the input voltage is limited. (4) A Y discharge capacitor is introduced between the input of the foot line end and the reference ground of the module, and common mode input interference voltage is discharged; (5) When the chip is designed, the characteristics of the electronic detonator that the electronic detonator receives the initiation instruction are utilized when the electronic detonator is applied in a networking way, and after the electronic detonator receives the initiation instruction, the data transmitting circuit in the communication module is utilized to enable two input short circuits of the chip to be in a short circuit state, so that the possibly-introduced differential mode voltage is discharged; and closing the charge control circuit of the chip to the detonation capacitor, wherein the two input ends of the chip are in a short circuit state, namely the TXD signal is in a high state, and the input ends of INA and INB are short-circuited.
In some embodiments of the invention, the differential mode bleed module includes a gas discharge tube, a varistor, and a differential mode rejection pair tube.
In some embodiments of the present invention, the positive half-bridge module uses a voltage-stabilizing pair or a schottky pair to generate the positive output of the bridge.
In some embodiments of the present invention, one end of the positive half-bridge module is connected to the INA pin of the input end of the main control chip, the other end is connected to the INB pin of the input end of the main control chip, and the positive output of the positive half-bridge module is connected to the C1 pin of the main control chip.
The positive half bridge is arranged outside the main control chip, and a voltage stabilizing pair tube or a Schottky pair tube is adopted to generate the positive output of the bridge and limit the voltage input of INA and INB for input protection. Optionally, the third resistor R3 and the third resistor R4 limit the maximum discharge current of C1 and C2 respectively, so as to prevent the main control chip from synchronously and rapidly discharging the capacitor energy storage when the external pulse interference is discharged due to the input BUFFER. The positive output of the positive half-bridge module is connected with the C1 pin of the main control chip through a third resistor R3.
In some embodiments of the present invention, one end of the differential mode bleeder module is connected to the INA pin through a first resistor R1, and the other end of the differential mode bleeder module is connected to the INB pin through a second resistor R2; one end of the positive half-bridge module is connected between the first resistor R1 and the INA pin, and the other end is connected between the second resistor R2 and the INB pin.
The first resistor R1 and the second resistor R2 limit the maximum input current, and under the condition that the INA pin and the INB pin of the chip are abnormally broken down and short-circuited, the normal communication of other detonators in the electronic detonator network is prevented from being influenced.
In some embodiments of the present invention, the electronic detonator control module includes a first energy storage capacitor C1 and a second energy storage capacitor C2; one end of the first energy storage capacitor C1 is connected between the positive output of the positive half-bridge module and the C1 pin, and the other end of the first energy storage capacitor C1 is connected with a reference ground; the second energy storage capacitor C2 is connected between the VOUT pin of the main control chip and the reference ground. Optionally, the diode D1 limits the reverse discharge of the second energy storage capacitor C2, so as to improve the ignition voltage consistency of the detonation capacitor C2.
In some embodiments of the present invention, the electronic detonator control module includes a first discharge capacitor C4 and a second discharge capacitor C5; one end of the first discharging capacitor C4 is connected between the first resistor R1 and the INA pin, and the other end of the first discharging capacitor C4 is connected to the ground; the second discharging capacitor C5 is connected between the VOUT pin of the main control chip and the reference ground.
The Y discharge capacitor is a first discharge capacitor C4 and a second discharge capacitor C5, and the first discharge capacitor C4 and the second discharge capacitor C5 are respectively connected with the reference ground of the first energy storage capacitor C1 and the second energy storage capacitor C2 in a Y shape.
In some embodiments of the present invention, an electronic detonator control module comprises an ignition element F; one end of the ignition element F is connected to the C2 pin of the main control chip, and the other end of the ignition element F is connected to the FIN pin of the main control chip.
The ignition element F is used for rapidly converting electric energy stored by the second energy storage capacitor C2 into heat energy under the control of the main control chip to ignite or detonate the ignition powder of the electronic detonator.
In some embodiments of the present invention, the electronic detonator control module includes a BIT detection circuit; the BIT detection circuit is used for detecting states of the second energy storage capacitor C2 and the ignition element F, and judging whether circuits of different parts are in a normal working state according to different control states and output results of the BIT detection circuit.
In some embodiments of the present invention, the electronic detonator control module includes a digital logic control circuit; the digital logic control circuit is used for receiving and analyzing the digital command signals input from the outside and executing actions corresponding to the commands.
Optionally, under the application condition of low delay precision, a decoupling capacitor C3 is added, so that the working stability of the digital capacitor is improved, and the stability of the OSC is improved. Optionally, the main control chip is used for receiving and analyzing an external instruction, managing the initiation energy of the electronic detonator according to the instruction, setting delay time, and detecting the first discharge capacitor C4 and the second discharge capacitor C5 of the ignition loop and the ignition energy; and discharging common-mode high-frequency pulses generated by explosion.
In the first circuit diagram from top to bottom in fig. 2, the negative half-bridge generates the signal ground of the module based on the signal ground of the INA pin and the INB pin. The communication interface converts differential signals input by INA pins and INB into a pair of digital signals RXD and RXD which are opposite in polarity and can be identified by digital logic, and sends the digital signals to the outside in a short circuit and disconnection mode between INA and INB under the control of a data sending signal TXD output by the digital logic; preferably, the hysteresis comparator receives the communication. The charging control circuit prohibits charging before the power supply and the RST signal are established, prevents the detonation capacitor from being charged in the power-on process, improves the safety of the module, and inputs a differential power supply between INA and INB or a pin C1 into the detonation capacitor C2 for charging under the control of the CHG signal after the power supply is established.
In the second circuit diagram from top to bottom in fig. 2, the power supply system includes a band gap reference source (converting the power input of the capacitor C1 into a 1.23V reference power supply, providing the OSC to generate constant charging and discharging currents, improving the stability of the OSC, providing the OSC to a BIT detection circuit, detecting the charging voltage of the capacitor C2, converting the power input by the capacitor C1 into a constant voltage power supply required by the operation of a digital circuit by a DC/DC converter, converting the power-on process of the capacitor C1 into a reset signal output by a reset circuit, providing the digital circuit with a signal determined by the output of the digital signal output in the reset process, and providing the signal to a charging control circuit to prohibit charging.
In the third circuit diagram from top to bottom in fig. 2, the BIT detection circuit detects the state of the detonation capacitor C2 and the connection state of the ignition member F, and judges whether the three partial circuits are in a normal working state according to different control states of the charge control circuit, the safety discharge circuit and the ignition circuit and output results of the BIT detection circuit, and BIT detection can judge that three different voltage values of the capacitor C2 detect the safety voltage connected with the ignition member, the communication voltage of external equipment and a detonator, and the minimum voltage required by reliable ignition of the detonator. The safety discharging circuit is used for forcedly carrying out safety discharging before the power is established, so that the safety of the power establishing process is ensured, the DISC1 signal is output by the normal tool state digital logic and is in a small-current safety discharging state, the DISC1 and the DISC2 are in a large-current discharging state together for safety current in an emergency state, and the energy stored by the capacitor C2 is released. The ignition circuit is used for outputting a FIRE signal under the control of digital logic and rapidly releasing the energy of the detonation capacitor C2 to the ignition element F with large current.
In the fourth circuit diagram from top to bottom in fig. 2, the digital logic control circuit, the MCU similar to the curing program, is configured to receive and analyze the digital command signal inputted from the outside, and perform the actions corresponding to the command (such as charging, safe discharging, read/write memory, BIT test, ignition, etc.). The memory adopts a memory for non-power-off data retention such as OTP, FUSE (containing eFuze) \EEPROM and the like, and stores information such as electronic coding and initiation password of the electronic detonator. The output driver is used for controlling the digital logic to the charging circuit, the safe discharging circuit, the ignition circuit, the BIT detection circuit and the communication interface, and the needed high-side control signals are the high-side control logic for controlling the high-voltage signals by the voltage signals.
Example 2
Referring to fig. 4, fig. 4 is a schematic block diagram of an electronic device according to an embodiment of the present application. The electronic device comprises a memory 101, a processor 102 and a communication interface 103, wherein the memory 101, the processor 102 and the communication interface 103 are electrically connected with each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The memory 101 may be used to store software programs and modules, such as program instructions/modules corresponding to the electronic detonator control module provided in embodiment 1 of the present application, and the processor 102 executes the software programs and modules stored in the memory 101, thereby performing various functional applications and data processing. The communication interface 103 may be used for communication of signaling or data with other node devices.
The Memory 101 may be, but is not limited to, a random access Memory (Random Access Memory, RAM), a Read Only Memory (ROM), a programmable Read Only Memory (Programmable Read-Only Memory, PROM), an erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), an electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc.
The processor 102 may be an integrated circuit chip with signal processing capabilities. The processor 102 may be a general purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but also digital signal processors (Digital Signal Processing, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
It will be appreciated that the configuration shown in fig. 4 is merely illustrative, and that the electronic device may also include more or fewer components than shown in fig. 4, or have a different configuration than shown in fig. 4. The components shown in fig. 4 may be implemented in hardware, software, or a combination thereof.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The apparatus embodiments described above are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
To sum up, the embodiment of the application provides an electronic detonator control module: the left foot line bonding pad and the right foot line bonding pad are zigzag, so that a discharge spike design is added at the PCB input end of the module, and strong interference is discharged through tip discharge; a differential mode bleeder module is arranged between a left foot line and a right foot line of the module, so that a discharging measure is added, and an excessively high input differential mode voltage is bleeder; the positive half-bridge module is arranged at the input end of the chip, and the rectifying half-bridge function is realized while the input voltage is limited. A Y discharge capacitor is introduced between the input of the foot line end and the reference ground of the module, and common mode input interference voltage is discharged; when the chip is designed, the characteristics of the electronic detonator that the electronic detonator receives the initiation instruction are utilized when the electronic detonator is applied in a networking way, and after the electronic detonator receives the initiation instruction, the data transmitting circuit in the communication module is utilized to enable two input short circuits of the chip to be in a short circuit state, so that the possibly-introduced differential mode voltage is discharged; and the charging control circuit of the chip to the detonation capacitor is closed, so that the charging path of the detonation capacitor is in a high-resistance state, and the interference of surge pulse to the rear end of the chip is avoided.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. The electronic detonator control module is characterized by comprising a circuit board, a left leg wire input terminal and a right leg wire input terminal, wherein the left leg wire input terminal and the right leg wire input terminal are connected with one end of the circuit board through a left leg wire bonding pad and a right leg wire bonding pad respectively; the method is characterized in that:
(1) The left foot line bonding pad and the right foot line bonding pad are saw-tooth;
(2) A differential mode bleeder module is arranged between the left foot line input terminal and the right foot line input terminal;
(3) The input end of the main control chip on the circuit board is provided with a positive half-bridge module;
(4) Y discharge capacitors are respectively introduced between the left leg wire input terminal and the reference ground;
(5) After the main control chip receives the initiation instruction from the electronic detonator,
(A) The left leg wire input terminal and the right leg wire input terminal of the main control chip are controlled by a data transmission circuit in the communication module to be in a short circuit state;
(B) And closing a charging control circuit of the main control chip to the detonation capacitor, so that a charging path of the detonation capacitor is in a high-resistance state.
2. An electronic detonator control module as claimed in claim 1 wherein said differential mode bleed module comprises a gas discharge tube, a varistor and a differential mode rejection pair tube.
3. An electronic detonator control module as claimed in claim 1 wherein said positive half bridge module employs a regulated pair of tubes or schottky pair of tubes to produce the positive output of the bridge.
4. An electronic detonator control module as claimed in claim 3 wherein said positive half bridge module has one end connected to the INA pin of said main control chip input and the other end connected to the INB pin of said main control chip input, and wherein the positive output of said positive half bridge module is connected to the C1 pin of said main control chip.
5. The electronic detonator control module of claim 4 wherein one end of said differential mode bleed module is connected to said INA pin through a first resistor R1 and the other end of said differential mode bleed module is connected to said INB pin through a second resistor R2; one end of the positive half-bridge module is connected between the first resistor R1 and the INA pin, and the other end is connected between the second resistor R2 and the INB pin.
6. The electronic detonator control module of claim 4 comprising a first energy storage capacitor C1 and a second energy storage capacitor C2; one end of the first energy storage capacitor C1 is connected between the positive output of the positive half-bridge module and the C1 pin, and the other end of the first energy storage capacitor C1 is connected with a reference ground; the second energy storage capacitor C2 is connected between the VOUT pin of the main control chip and the reference ground.
7. The electronic detonator control module of claim 5 comprising a first discharge capacitance C4 and a second discharge capacitance C5; one end of the first discharging capacitor C4 is connected between the first resistor R1 and the INA pin, and the other end of the first discharging capacitor C4 is connected with the reference ground; the second discharging capacitor C5 is connected between the VOUT pin of the main control chip and the reference ground.
8. An electronic detonator control module as claimed in claim 6 comprising an ignition element F; one end of the ignition element F is connected to the C2 pin of the main control chip, and the other end of the ignition element F is connected to the FIN pin of the main control chip.
9. The electronic detonator control module of claim 8 comprising BIT detection circuitry; the BIT detection circuit is used for detecting states of the second energy storage capacitor C2 and the ignition element F, and judging whether circuits of different parts are in a normal working state according to different control states and output results of the BIT detection circuit.
10. An electronic detonator control module as claimed in claim 1 comprising digital logic control circuitry; the digital logic control circuit is used for receiving and analyzing the digital command signals input from the outside and executing actions corresponding to the commands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310256974.5A CN117308709A (en) | 2023-03-17 | 2023-03-17 | Electronic detonator control module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310256974.5A CN117308709A (en) | 2023-03-17 | 2023-03-17 | Electronic detonator control module |
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| CN117308709A true CN117308709A (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310256974.5A Pending CN117308709A (en) | 2023-03-17 | 2023-03-17 | Electronic detonator control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117308709A (en) |
-
2023
- 2023-03-17 CN CN202310256974.5A patent/CN117308709A/en active Pending
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