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CN-122015595-A - Digital electronic detonator initiation controller detection and diagnosis device

CN122015595ACN 122015595 ACN122015595 ACN 122015595ACN-122015595-A

Abstract

The invention discloses a detection and diagnosis device for a digital electronic detonator detonation controller, which relates to the technical field of detonation controllers and comprises a micro-control module, wherein before detonation, a control switch detection module is used for detecting the opening delay of a power tube of a charging unit in the detonation controller module and detecting the change rate of working current, a matching state judgment module is used for detecting the opening delay time of the power tube and judging faults, detecting whether a larger difference exists between the opening delay time when the power tube periodically works, and the micro-control module can be used for controlling the switch detection module to detect the opening delay of the power tube of the detonation unit in the detonation controller module, and the matching state judgment module is used for detecting the opening delay time of the power tube and judging faults. The detection and diagnosis device of the digital electronic detonator initiation controller can finish the stable DC-DC pre-detection work of the charging unit, finish the stable pre-detection work of the power tube of the initiation unit and improve the detection and diagnosis efficiency.

Inventors

  • ZHANG TIAN
  • ZHANG JINGWEN
  • WANG JINGWEN
  • ZHANG YANLONG

Assignees

  • 山东泉利科技有限公司

Dates

Publication Date
20260512
Application Date
20260209

Claims (7)

  1. 1. The digital electronic detonator detonation controller detection and diagnosis device is characterized in that the circuit comprises: The detonation controller module is used for controlling the flyback switching power supply device through the first power tube to perform flyback DC-DC regulation treatment on the accessed DC electric energy, storing energy, discharging energy and performing detonation control through the second power tube; The switch detection module is connected with the detonation controller module and is used for providing first detection electric energy for the first power tube, performing opening delay detection and signal clamping processing, outputting a first detection signal, providing second detection electric energy for the second power tube, performing opening delay detection and signal clamping processing and outputting a second detection signal; The current detection module is connected with the detonation controller module and is used for carrying out current sampling, amplification and differential processing on the first power tube, outputting a third detection signal and detecting the current change rate of the sampled signal; The state judging module is connected with the switch detecting module and the micro control module and is used for outputting a first judging signal when the first detecting signal is larger than a set first ending threshold value, outputting a first fault signal when the first detecting signal is larger than a set first fault threshold value, outputting a second judging signal when the second detecting signal is larger than a set second ending threshold value, outputting a second fault signal when the second detecting signal is larger than a set second fault threshold value, carrying out real-time energy storage when the micro control module drives the first power tube for the first time, and carrying out holding processing on stored electric energy when the first judging signal is output, carrying out difference value calculation and absolute value processing on the electric energy voltage stored in real time and the electric energy voltage subjected to holding processing when the micro control module drives the first power tube for the second time and outputs the first judging signal, and outputting a third fault signal when the difference value signal is larger than an error threshold value; The micro-control module is connected with the detonation controller module, the current detection module and the switch detection module and is used for controlling the switch detection module to provide first detection electric energy and drive the first power tube to conduct and switch off periodically when the detonation controller module does not conduct DC-DC regulation and the state of the first power tube is required to be detected, the control state judgment module is used for setting a first end threshold and a first fault threshold, diagnosing the turn-on delay time of the first power tube through a received first judgment signal, controlling the state judgment module to conduct energy storage and signal retention processing, receiving a first fault signal, a third detection signal and a difference signal, controlling the switch detection module to provide second detection electric energy and drive the second power tube to conduct once when the state of the second power tube is required to be detected, and controlling the state judgment module to set a second end threshold and a second fault threshold, receive a second judgment signal and diagnose the turn-on delay time of the second power tube and receive the second fault signal.
  2. 2. The digital electronic detonator initiation controller detection and diagnosis device of claim 1, wherein the initiation controller module comprises a battery pack, a first capacitor, a first resistor, a first silicon controlled rectifier, a first power tube, a flyback switching power supply device, a first diode, an igniter, an eighth resistor, a second silicon controlled rectifier, a second power tube, a second diode and a third diode; The first end of the battery pack is connected with one end of the first capacitor and the first input end of the flyback switching power supply device and is connected with the control end of the first silicon controlled rectifier through the first resistor, the cathode of the first silicon controlled rectifier is connected with the other end of the first capacitor, the second end of the battery pack and the ground end, the second input end of the flyback switching power supply device is connected with the drain electrode of the first power tube, the grid electrode of the first power tube is connected with the cathode of the second diode, the anode of the second diode is connected with the IO1 end of the first controller, the first output end of the flyback switching power supply device is connected with the anode of the first diode and is connected with the control end of the second silicon controlled rectifier through the eighth resistor, the cathode of the second silicon controlled rectifier is connected with the source electrode of the second power tube, the drain electrode of the second power tube is connected with one end of the igniter, the other end of the igniter is connected with the cathode of the first diode, the grid electrode of the second power tube is connected with the cathode of the third diode, and the anode of the third diode is connected with the IO2 end of the first controller.
  3. 3. The digital electronic detonator initiation controller detection and diagnosis device of claim 2 wherein said current detection module comprises a second resistor, a third resistor, a first operational amplifier, a second operational amplifier, a third operational amplifier, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and a second capacitor; The inverter of the second operational amplifier is connected with the source electrode of the first power tube and is connected with the anode of the first controllable silicon through the second resistor, the in-phase end of the second operational amplifier is connected with one end of the third resistor and is connected with the output end of the second operational amplifier and one end of the fifth resistor through the fourth resistor, the other end of the fifth resistor is connected with the inverting end of the third operational amplifier and is connected with the output end of the first operational amplifier and one end of the second capacitor through the sixth resistor, the other end of the second capacitor is connected with the inverter of the first operational amplifier and is connected with the output end of the third operational amplifier and the IO3 end of the first controller through the seventh resistor, and the in-phase end of the first operational amplifier, the in-phase end of the third operational amplifier and the other end of the third resistor are all grounded.
  4. 4. The digital electronic detonator initiation controller detection and diagnosis device of claim 2 wherein said switch detection module comprises a third power tube, a fourth power tube, a first voltage stabilizing source, a second voltage stabilizing source, a first power supply interface and a second power supply interface; The drain electrode of the third power tube and the drain electrode of the fourth power tube are respectively connected with a second voltage stabilizing source and a first voltage stabilizing source, the source electrode of the third power tube and the source electrode of the fourth power tube are respectively connected with the input end of the second power supply interface and the input end of the first power supply interface, the output end of the first power supply interface and the output end of the second power supply interface are respectively connected with the drain electrode of the second power tube and the drain electrode of the first power tube, and the grid electrode of the third power tube and the grid electrode of the fourth power tube are respectively connected with the IO2 end and the IO1 end of the first controller.
  5. 5. The digital electronic detonator initiation controller detection and diagnosis device of claim 4 wherein said switch detection module further comprises a first detection interface, a second detection interface, a first analog switch, a first inductor, a ninth resistor, a third capacitor, a third voltage stabilizing source, a sixth diode and a fourth diode; The input end of the first detection interface is connected with the anode of the first controllable silicon, the input end of the second detection interface is connected with the source electrode of the second power tube, the output end of the first detection interface and the output end of the second detection interface are respectively connected with the eighth end and the third end of the first analog switch, the sixth end and the fifth end of the first analog switch are respectively connected with the IO2 end and the IO1 end of the first controller, the fourth end and the ninth end of the first analog switch are both connected with one end of the first inductor and are connected with the first end of the third capacitor, the anode of the sixth diode, the cathode of the fourth diode and the state judging module through the ninth resistor, the other end of the first inductor is connected with the second end and the ground end of the third capacitor, the anode of the fourth diode is grounded, and the cathode of the sixth diode is connected with the third voltage stabilizing source.
  6. 6. The digital electronic detonator initiation controller detection and diagnosis device of claim 5 wherein said status determination module comprises a first reference power supply, a second reference power supply, a third reference power supply, a fourth reference power supply, a first switching tube, a second switching tube, a third switching tube, a fourth switching tube, a first comparator and a second comparator; The collector of the first switching tube, the collector of the second switching tube, the collector of the third switching tube and the collector of the fourth switching tube are respectively connected with a first reference power supply, a second reference power supply, a third reference power supply and a fourth reference power supply, the emitter of the first switching tube is connected with the emitter of the second switching tube and the inverting end of the first comparator, the in-phase end of the first comparator is connected with the in-phase end of the second comparator and the first end of the third capacitor, the emitter of the third switching tube is connected with the emitter of the fourth switching tube and the inverting end of the second comparator, the base of the first switching tube is connected with the base of the fourth switching tube and the IO1 end of the first controller, the base of the second switching tube is connected with the base of the third switching tube and the IO2 end of the first controller, and the output end of the first comparator is connected with the IO6 end and the IO7 end of the first controller.
  7. 7. The digital electronic detonator priming controller detection and diagnosis device according to claim 6, wherein the state judgment module further comprises a first logic device, a first inverter, a fifth switching tube, a fourth voltage stabilizing source, a fourth capacitor, a sample hold device, a tenth resistor, a fifth diode and a subtraction device; The input end of the first inverter is connected with the output end of the first comparator, the end A of the first logic device is connected with the IO1 end of the first controller, the end Y of the first logic device is connected with the base electrode of a fifth switching tube, the collector electrode of the fifth switching tube is connected with a fourth voltage stabilizing source, the emitter electrode of the fifth switching tube is connected with the input end of the sample holding device and the first input end of the subtracting device and is grounded through a fourth capacitor, the control end of the sample holding device is connected with the IO4 end of the first controller, the output end of the sample holding device is connected with the second input end of the subtracting device, the output end of the subtracting device is connected with the cathode of the fifth diode through a tenth resistor, and the anode of the fifth diode is connected with the IO5 end of the first controller.

Description

Digital electronic detonator initiation controller detection and diagnosis device Technical Field The invention relates to the technical field of detonation controllers, in particular to a detection and diagnosis device for a digital electronic detonator detonation controller. Background The digital electronic detonator detonating controller is a core device specially used for controlling and managing the digital electronic detonator, and consists of a main control unit, a charging unit, a detonating unit and the like, wherein the charging unit can adopt a flyback power supply and an energy storage capacitor, and performs high-voltage DC-DC conversion treatment in a mode of driving a field effect tube by PWM and stores energy by the energy storage capacitor so as to control the energy storage capacitor to discharge for the detonating unit by the main control unit through controlling the working state of the field effect tube in the detonating unit, and then the detonating control is completed. Disclosure of Invention The embodiment of the invention provides a detection and diagnosis device for a detonation controller of a digital electronic detonator, which aims to solve the problems in the background technology. According to the embodiment of the invention, a digital electronic detonator detonation controller detection and diagnosis device is provided, which comprises a detonation controller module, a detonation control module and a control module, wherein the detonation controller module is used for controlling a flyback switching power supply device through a first power tube to perform flyback DC-DC regulation treatment on accessed DC electric energy, storing energy and discharging and performing detonation control through a second power tube; The switch detection module is connected with the detonation controller module and is used for providing first detection electric energy for the first power tube, performing opening delay detection and signal clamping processing, outputting a first detection signal, providing second detection electric energy for the second power tube, performing opening delay detection and signal clamping processing and outputting a second detection signal; The current detection module is connected with the detonation controller module and is used for carrying out current sampling, amplification and differential processing on the first power tube, outputting a third detection signal and detecting the current change rate of the sampled signal; The state judging module is connected with the switch detecting module and the micro control module and is used for outputting a first judging signal when the first detecting signal is larger than a set first ending threshold value, outputting a first fault signal when the first detecting signal is larger than a set first fault threshold value, outputting a second judging signal when the second detecting signal is larger than a set second ending threshold value, outputting a second fault signal when the second detecting signal is larger than a set second fault threshold value, carrying out real-time energy storage when the micro control module drives the first power tube for the first time, and carrying out holding processing on stored electric energy when the first judging signal is output, carrying out difference value calculation and absolute value processing on the electric energy voltage stored in real time and the electric energy voltage subjected to holding processing when the micro control module drives the first power tube for the second time and outputs the first judging signal, and outputting a third fault signal when the difference value signal is larger than an error threshold value; The micro-control module is connected with the detonation controller module, the current detection module and the switch detection module and is used for controlling the switch detection module to provide first detection electric energy and drive the first power tube to conduct and switch off periodically when the detonation controller module does not conduct DC-DC regulation and the state of the first power tube is required to be detected, the control state judgment module is used for setting a first end threshold and a first fault threshold, diagnosing the turn-on delay time of the first power tube through a received first judgment signal, controlling the state judgment module to conduct energy storage and signal retention processing, receiving a first fault signal, a third detection signal and a difference signal, controlling the switch detection module to provide second detection electric energy and drive the second power tube to conduct once when the state of the second power tube is required to be detected, and controlling the state judgment module to set a second end threshold and a second fault threshold, receive a second judgment signal and diagnose the turn-on delay time of the second power tube and receive the second fault signal. As a sti