CN112611265A - Remote multichannel booster priming device - Google Patents

Remote multichannel booster priming device Download PDF

Info

Publication number
CN112611265A
CN112611265A CN202011462957.XA CN202011462957A CN112611265A CN 112611265 A CN112611265 A CN 112611265A CN 202011462957 A CN202011462957 A CN 202011462957A CN 112611265 A CN112611265 A CN 112611265A
Authority
CN
China
Prior art keywords
circuit
boosting
communication
detonation
bus controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011462957.XA
Other languages
Chinese (zh)
Other versions
CN112611265B (en
Inventor
王娇
涂寒梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Original Assignee
Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd filed Critical Hubei Sanjiang Aerospace Honglin Exploration and Control Co Ltd
Priority to CN202011462957.XA priority Critical patent/CN112611265B/en
Publication of CN112611265A publication Critical patent/CN112611265A/en
Application granted granted Critical
Publication of CN112611265B publication Critical patent/CN112611265B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00Blasting cartridges, i.e. case and explosive
    • F42B3/10Initiators therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00Blasting cartridges, i.e. case and explosive
    • F42B3/22Elements for controlling or guiding the detonation wave, e.g. tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention discloses a remote multipath boosting detonation device, which comprises a communication cable, a bus controller and a multipath boosting detonation module, wherein the bus controller and the multipath boosting detonation module are connected to the communication cable; the bus controller sends a release instruction and a communication trigger instruction to the boosting detonation module to control the multi-path boosting detonation module to synchronously ignite or ignite in a time-sharing manner; the boosting detonation module comprises a communication and security circuit and a boosting ignition circuit; the communication and security circuit executes the release of the internal electrical safety signal under the triggering of the release instruction and outputs an energy signal required by the boosting ignition circuit; when the boost ignition circuit receives the energy signal, the boost ignition circuit boosts the energy signal to charge the energy storage capacitor; and controlling the energy storage capacitor to discharge to the initiating explosive device after receiving the communication trigger instruction; the bus controller sends the information instruction to the corresponding boosting detonation circuit to complete multi-path remote precise ignition, and the anti-interference capability among ignition channels and the comprehensive performance of the in-line ignition system are improved.

Description

Remote multichannel booster priming device
Technical Field
The invention belongs to the technical field of initiating explosive device detonation control, and particularly relates to a remote multi-path boosting detonation device.
Background
The initiating explosive device, also called as a fireset, is widely applied to military projects such as strategic missiles, nuclear weapons, aerospace systems and the like. As a small-sized sensitive explosive energy source, the initiating explosive device is a source for the weapon and the explosive system to complete the predetermined functions, and is also a root of the system which can be accidentally exploded to cause personal injury and death. Therefore, as an initiating explosive device of explosive energy, the reliability and safety of the ignition circuit are very important,
in the existing multi-path initiating explosive device ignition circuit, because interference exists among different ignition paths and strong electromagnetic interference exists in the environment, an electromagnetic shielding design with a complex structure is required, the cost is high, and the reliability cannot be completely ensured; in addition, when ignition is realized only by capacitance charging and discharging, the reliability and the sensitivity are poor, and the practicability of the existing ignition circuit is reduced.
Disclosure of Invention
Aiming at least one defect or improvement requirement in the prior art, the invention provides a remote multi-path boosting priming device, which adopts a bus addressing technology, realizes remote communication safely and reliably, can realize time sequence ignition simultaneously, and meets the requirements of a plurality of ignition channels of a system on a bomb by adopting a one-point-at-a-time ignition mode or a one-time multi-point ignition mode.
In order to achieve the above object, according to one aspect of the present invention, there is provided a remote multi-path boosting detonation device, comprising a communication cable, and a bus controller and a multi-path boosting detonation module connected to the communication cable;
the bus controller sends a release instruction and a communication trigger instruction to the boosting detonation module through the communication cable, and controls the multi-path boosting detonation module to synchronously ignite or ignite in a time-sharing manner;
the boosting detonation module comprises a communication and security circuit and a boosting ignition circuit;
the communication and security circuit executes the release of the internal electrical safety signal under the triggering of the release instruction issued by the bus controller and outputs an energy signal required by the boosting ignition circuit; and forwarding the communication trigger command to a boost ignition circuit;
the boost ignition circuit is used for boosting the energy signal to charge the energy storage capacitor when receiving the energy signal provided by the communication and security circuit; and after receiving a communication trigger instruction issued by the communication and security circuit, controlling the energy switch to be closed, so that the energy storage capacitor discharges to the initiating explosive device.
Preferably, the remote multi-path boosting priming device is provided with a first electrical connector and a plurality of second electrical connectors on the communication cable; the bus controller is connected with a communication cable through the first electric connector, and each path of the boosting detonation module is connected with the communication cable through one second electric connector.
Preferably, in the remote multi-path boosting priming device, the communication and security circuit is further configured to collect a high-voltage feedback signal of the boosting ignition circuit according to a preset time period, and continuously output an energy signal and send the energy signal to the boosting ignition circuit when the high-voltage feedback signal is smaller than a preset voltage threshold.
Preferably, the remote multi-path boosting priming device further comprises a power management circuit;
the output end of the power management circuit is connected with the bus controller and used for converting external power supply voltage into working voltage required by the bus controller and supplying power to the bus controller.
Preferably, in the remote multi-path boosting priming device, the power management circuit includes a filter circuit and a power conversion circuit;
the input end of the filter circuit is connected with an external power supply, and the output end of the filter circuit is connected with the input end of the power supply conversion circuit and is used for filtering interference pulse signals on the power supply line;
the output end of the power supply conversion circuit is connected with the bus controller and used for converting the power supply output by the filter circuit into power supply required by the interior of the bus controller.
Preferably, the bus controller of the remote multi-path boosting detonation device comprises a control circuit, and a power supply circuit, an isolation circuit and a communication circuit which are connected with the control circuit;
the input end of the power supply circuit is connected with the power supply conversion circuit, and the output power supply of the power supply conversion circuit is converted into the working voltage of the control circuit;
the isolation circuit is used for isolating environmental signals and ensuring the stability of the internal work of the device;
the communication circuit is used for realizing communication between the upper computer and the multi-path boosting detonation module.
Preferably, in the remote multi-path boosting detonation device, the communication circuit adopts a CAN communication protocol chip and completes information transmission with the multi-path boosting detonation module based on a CAN bus addressing technology.
Preferably, in the remote multi-path boosting priming device, the communication cable is a multi-core shielded twisted pair cable.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
according to the remote multi-path boosting detonation device, the bus controller sends the information instruction to the corresponding boosting detonation circuit to finish multi-path remote accurate ignition; the system adopts the independent multi-path boosting detonation circuit, has the characteristics of good reliability, high communication efficiency and strong anti-interference capability, adopts the bus addressing technology, shares the same channel in a multiplexing mode, can safely and reliably realize long-distance communication and multi-mode detonation, has the functions of state self-checking, insurance and relief, high-voltage transformation, accurate delay ignition and the like, and popularizes an in-line fuze operation mode.
Drawings
FIG. 1 is a logic block diagram of a remote multi-path boosting detonating device provided by the embodiment of the invention;
fig. 2 is a schematic structural diagram of a remote multipath boosting priming device provided by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a communication cable according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a logic block diagram of a remote multi-path boosting detonation device provided by an embodiment of the invention, and referring to fig. 1, the device comprises a communication cable, and a bus controller and a multi-path boosting detonation module which are connected to the communication cable;
the bus controller sends a release instruction and a communication trigger instruction to the boosting detonation module through the communication cable, and controls the multi-path boosting detonation module to synchronously ignite or ignite in a time-sharing manner;
the boosting detonation module comprises a communication and security circuit and a boosting ignition circuit; the communication and security circuit controls the on and off of energy required by the boosting ignition circuit through the electronic switch, is used for executing the release of an internal electrical safety signal under the trigger of a release instruction issued by the bus controller and outputting an energy signal required by the boosting ignition circuit; and the communication trigger instruction is forwarded to the boosting ignition circuit;
the boost ignition circuit is used for boosting the energy signal when receiving the energy signal provided by the communication and security circuit, and converting low-voltage electricity into high-voltage electricity to charge the energy storage capacitor; when the energy signal provided by the communication and security circuit is not received, the energy storage capacitor is stopped to be charged;
and after a communication trigger instruction issued by the communication and security circuit is received, the energy switch is controlled to be closed, the discharging loop of the energy storage capacitor is conducted, and the energy storage capacitor discharges to the initiating explosive device.
In a preferred example, the communication and security circuit is further configured to collect a high-voltage feedback signal of the boost ignition circuit according to a certain time period, and continuously output an energy signal and send the energy signal to the boost ignition circuit when the high-voltage feedback signal is smaller than a preset voltage threshold, so as to ensure that the electric energy of the energy storage capacitor meets the requirement of ignition and detonation.
The application designs an in-line ignition system consisting of a bus controller, a communication cable and a multi-path boosting detonation circuit by combining with the architecture of a networked electronic military system, and can remotely realize a one-point-at-a-time or one-time multi-point ignition mode.
Fig. 2 is a schematic diagram of a composition structure of a remote multi-path boosting detonation device provided in an embodiment of the present invention, and referring to fig. 2, the remote multi-path boosting detonation device specifically includes a power management circuit, a bus controller, a first path of boosting detonation module, a second path of boosting detonation module, a third path of boosting detonation module, a fourth path of boosting detonation module, and a remote communication cable; the long-distance communication cable is connected with the bus controller and the four-way boosting and detonating device.
The output end of the power management circuit is connected with the bus controller and used for converting external power supply voltage into working voltage required by the bus controller and supplying power to the bus controller. The power supply management circuit comprises a filter circuit and a power supply conversion circuit; the input end of the filter circuit is connected with an external power supply, and the output end of the filter circuit is connected with the input end of the power supply conversion circuit and is used for filtering interference pulse signals on the power supply line; the output end of the power supply conversion circuit is connected with the bus controller and used for converting the power supply output by the filter circuit into power supply required by the interior of the bus controller and simultaneously supplying power with high voltage and low voltage independently.
The bus controller comprises a control circuit, and a power supply circuit, an isolation circuit and a communication circuit which are connected with the control circuit;
the input end of the power supply circuit is connected with the power supply conversion circuit, and the output power supply of the power supply conversion circuit is converted into the working voltage of the control circuit; the isolation circuit is used for isolating the environmental signal and ensuring the stability of the internal work of the device; the communication circuit is used for realizing communication between the upper computer and the multi-path boosting detonation module.
As a specific example, the power supply circuit uses a voltage regulator to convert the output of the power conversion circuit into the operating voltage of the control circuit; the isolation circuit uses a photoelectric device to isolate environmental signals (such as electromagnetic signals with interference effect) to ensure the stability of the internal work of the detonating device; the communication circuit uses a communication protocol chip and adopts a CAN bus addressing technology to complete information transmission with the four-way boosting detonation module. The power supply circuit, the isolation circuit, the communication circuit and the control circuit are connected to form a bus controller, the bus controller is used for finishing communication with a superior control system and the four-way boosting detonation module, sending a guarantee-free instruction and a communication trigger instruction to the boosting detonation module and finishing a multi-path synchronous or time-sharing ignition function.
The four-path communication circuit is the same as the circuit composition of the safety protection circuit, comprises a driving resistor, a PMOS, an NMOS and a communication chip, and is responsible for receiving a coding instruction sent by a bus controller, wherein the coding instruction provides primary voltage and square wave signals for a transformer for removing the three-level safety, so that the safety removal of each path of the detonation device is realized.
The four paths of boosting ignition circuits are identical in circuit composition and are all composed of a voltage converter, a high-voltage capacitor and an energy switch, each path of communication and security circuit is connected with the boosting ignition circuit, after the security of each path of communication and security circuit is relieved, the boosting ignition voltage converts low voltage into high voltage through the voltage converter, the high-voltage capacitor is charged, in a specific example, when the energy switch threshold value of the high-voltage capacitor meets the switch threshold value of 1800V, a discharging loop is conducted, each path of boosting detonation module acts, and a synchronous or asynchronous detonation mode is achieved according to control system codes.
Fig. 3 is a schematic structural diagram of the communication cable provided in this embodiment, and as shown in fig. 3, the communication cable has five electrical connectors, one of the electrical connectors is used to connect to an external port of the bus controller, and each of the remaining electrical connectors is connected to a communication and security circuit in one of the boosting detonation modules.
The long-distance communication cable is a connecting cable between the bus controller and the boosting detonation module and plays a role in electric energy transmission and signal transmission; in an alternative embodiment, the telecommunications cable is a multi-core shielded twisted pair cable, including 3 power lines, 2 CAN1H lines, and 2 CAN1L lines. The communication line adopts CAN bus transmission, and the CAN bus interface chip adopts enhanced TJA1050T with isolation and multi-load drive to effectively suppress various noise interferences, thereby greatly improving the transmission signal-to-noise ratio and achieving the highest transmission rate of 500 kbps.
The remote multi-path boosting detonation device provided by the invention is combined with the framework of a networked electronic military system and the advantages of an in-line ignition system to design a bus controller and a multi-path boosting detonation circuit, and can remotely realize a one-point-at-a-time or one-time multi-point ignition mode. The bus controller sends the information instruction to the corresponding boosting detonation circuit by inquiring the instruction in an address code-searching mode, so that multipath remote precise ignition is completed, and the anti-interference capability among ignition channels and the comprehensive performance of the in-line ignition system are improved; the communication speed of the system is improved by adopting a bus addressing technology; the multi-path boosting detonation circuit adopts an in-line ignition technology, and has high safety and ignition reliability.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. A remote multipath boosting detonation device is characterized by comprising a communication cable, a bus controller and a multipath boosting detonation module, wherein the bus controller and the multipath boosting detonation module are connected to the communication cable;
the bus controller sends a release instruction and a communication trigger instruction to the boosting detonation module through the communication cable, and controls the multi-path boosting detonation module to synchronously ignite or ignite in a time-sharing manner;
the boosting detonation module comprises a communication and security circuit and a boosting ignition circuit;
the communication and security circuit executes the release of the internal electrical safety signal under the triggering of the release instruction issued by the bus controller and outputs an energy signal required by the boosting ignition circuit; and forwarding the communication trigger command to a boost ignition circuit;
the boosting ignition circuit is used for boosting the energy signal to charge the energy storage capacitor after receiving the energy signal provided by the communication and security circuit; and after receiving the communication trigger instruction, controlling an energy switch to be closed so that the energy storage capacitor discharges to the initiating explosive device.
2. A remote multiplexed booster primer according to claim 1 wherein the communication cable has a first electrical connector and a plurality of second electrical connectors thereon; the bus controller is connected with a communication cable through the first electric connector, and each path of the boosting detonation module is connected with the communication cable through one second electric connector.
3. A remote multiple-step boost detonation device according to claim 1 and wherein said communication and security circuit is further adapted to collect a high voltage feedback signal from the boost firing circuit for a predetermined period of time and to continue outputting and transmitting an energy signal to the boost firing circuit when said high voltage feedback signal is less than a predetermined voltage threshold.
4. A remote multiplexed booster priming device as claimed in claim 1 or claim 3, further comprising a power management circuit;
the output end of the power management circuit is connected with the bus controller and used for converting external power supply voltage into working voltage required by the bus controller and supplying power to the bus controller.
5. A remote multiplexed boost initiator device according to claim 4 wherein the power management circuit comprises a filter circuit and a power conversion circuit;
the input end of the filter circuit is connected with an external power supply, and the output end of the filter circuit is connected with the input end of the power supply conversion circuit and is used for filtering interference pulse signals on the power supply line;
the output end of the power supply conversion circuit is connected with the bus controller and used for converting the power supply output by the filter circuit into power supply required by the interior of the bus controller.
6. A remote multi-path boost detonation device according to claim 5, characterised in that the bus controller includes a control circuit, and a power supply circuit, an isolation circuit and a communication circuit connected to the control circuit;
the input end of the power supply circuit is connected with the power supply conversion circuit, and the output power supply of the power supply conversion circuit is converted into the working voltage of the control circuit;
the isolation circuit is used for isolating environmental signals and ensuring the stability of the internal work of the device;
the communication circuit is used for realizing communication between the upper computer and the multi-path boosting detonation module.
7. The remote multi-path boosting detonation device according to claim 6, wherein the communication circuit uses a CAN communication protocol chip and performs information transmission with the multi-path boosting detonation module based on a CAN bus addressing technology.
8. A remote multiplexed booster primer according to claim 7 wherein the communications cable is a multi-core shielded twisted pair cable.
CN202011462957.XA 2020-12-14 2020-12-14 Remote multichannel booster priming device Active CN112611265B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011462957.XA CN112611265B (en) 2020-12-14 2020-12-14 Remote multichannel booster priming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011462957.XA CN112611265B (en) 2020-12-14 2020-12-14 Remote multichannel booster priming device

Publications (2)

Publication Number Publication Date
CN112611265A true CN112611265A (en) 2021-04-06
CN112611265B CN112611265B (en) 2022-06-07

Family

ID=75233554

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011462957.XA Active CN112611265B (en) 2020-12-14 2020-12-14 Remote multichannel booster priming device

Country Status (1)

Country Link
CN (1) CN112611265B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983886A (en) * 2021-10-29 2022-01-28 湖北三江航天红林探控有限公司 Remote control detonation destroying device and destroying method thereof
CN114237117A (en) * 2021-12-16 2022-03-25 上海无线电设备研究所 Multi-point execution charging and driving control integrated device for directional detector
CN114608398A (en) * 2022-03-11 2022-06-10 西北工业大学 High-reliability fuse release device and master-slave controller software state machine design method thereof
CN115289912A (en) * 2022-08-19 2022-11-04 大连欣洋电子设备有限公司 Timing detonating device
CN115560642A (en) * 2022-11-11 2023-01-03 贵州航天电子科技有限公司 Multi-point detonation control system and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003185395A (en) * 2001-12-17 2003-07-03 Tech Res & Dev Inst Of Japan Def Agency Electric detonating device
CN202002566U (en) * 2010-11-25 2011-10-05 陕西应用物理化学研究所 Electronic detonator initiating instrument
DE102012021671A1 (en) * 2012-11-07 2014-05-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Warhead for combating arms-carrying missile in encounter situation, has annular arrangement of radially acting hollow charges, which is arranged on periphery of warhead, where hollow charges are initiated by central ignition device
CN109405657A (en) * 2018-10-19 2019-03-01 南京理工大学 A kind of plasma-enhanced microchip Exploding foil initiator and preparation method
CN109579627A (en) * 2018-12-04 2019-04-05 南京理工大学 A kind of Balance Gun nested type ignition and flame spreading tube

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003185395A (en) * 2001-12-17 2003-07-03 Tech Res & Dev Inst Of Japan Def Agency Electric detonating device
CN202002566U (en) * 2010-11-25 2011-10-05 陕西应用物理化学研究所 Electronic detonator initiating instrument
DE102012021671A1 (en) * 2012-11-07 2014-05-08 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Warhead for combating arms-carrying missile in encounter situation, has annular arrangement of radially acting hollow charges, which is arranged on periphery of warhead, where hollow charges are initiated by central ignition device
CN109405657A (en) * 2018-10-19 2019-03-01 南京理工大学 A kind of plasma-enhanced microchip Exploding foil initiator and preparation method
CN109579627A (en) * 2018-12-04 2019-04-05 南京理工大学 A kind of Balance Gun nested type ignition and flame spreading tube

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983886A (en) * 2021-10-29 2022-01-28 湖北三江航天红林探控有限公司 Remote control detonation destroying device and destroying method thereof
CN114237117A (en) * 2021-12-16 2022-03-25 上海无线电设备研究所 Multi-point execution charging and driving control integrated device for directional detector
CN114608398A (en) * 2022-03-11 2022-06-10 西北工业大学 High-reliability fuse release device and master-slave controller software state machine design method thereof
CN115289912A (en) * 2022-08-19 2022-11-04 大连欣洋电子设备有限公司 Timing detonating device
CN115560642A (en) * 2022-11-11 2023-01-03 贵州航天电子科技有限公司 Multi-point detonation control system and control method thereof
CN115560642B (en) * 2022-11-11 2023-08-04 贵州航天电子科技有限公司 Multi-point detonation control system and control method thereof

Also Published As

Publication number Publication date
CN112611265B (en) 2022-06-07

Similar Documents

Publication Publication Date Title
CN112611265B (en) Remote multichannel booster priming device
CN111456867B (en) Ignition device suitable for simultaneous explosion of multi-channel initiating explosive devices
CN103644786B (en) High-voltage ignition relay and operating method thereof
CN203225576U (en) Double-channel initiating explosive device igniting circuit
CN214308399U (en) Missile in-line type ignition device
CN203011249U (en) Security insurance circuit for missile booster ignition
CN109470094B (en) Safety ignition circuit with short-circuit safety function
AU2012356548A1 (en) System for triggering a plurality of electronic detonator assemblies
CN203595461U (en) High-tension ignition relay
CN104329996B (en) Multiple wireless priming device
IL158951A (en) Ignition isolating interrupt circuit
CN110989444A (en) Missile-borne integrated control system based on multi-core SoC
CN113280693B (en) Missile in-line ignition device and operation method thereof
CN110244606A (en) Arm discharge control system and carry platform with the launch control system
CN203444275U (en) Detonation control circuit based on 1553B bus
CN110260736A (en) A kind of data and the cascade digital electric detonator multi-stage connector of energy
CN111009889A (en) Multipath network port electromagnetic pulse protection method for Ethernet
CN203572347U (en) Intelligent delay igniter
CN204255188U (en) Multiple wireless priming device
CN112556521A (en) Electronic detonator for improving communication anti-interference performance
CN110749254B (en) Short-delay trigger ignition circuit
CN112576412A (en) Secondary ignition control device for small-size shoulder-resistance multistage propulsion aircraft
CN115560642B (en) Multi-point detonation control system and control method thereof
CN110595307B (en) Split type multipath delay detonation system
CN112556520B (en) Electronic detonator for improving communication reliability and anti-interference performance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant