CN114152161B - Digital electronic detonator priming system based on time sequence control and control method - Google Patents
Digital electronic detonator priming system based on time sequence control and control method Download PDFInfo
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- CN114152161B CN114152161B CN202111437887.7A CN202111437887A CN114152161B CN 114152161 B CN114152161 B CN 114152161B CN 202111437887 A CN202111437887 A CN 202111437887A CN 114152161 B CN114152161 B CN 114152161B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
- F42D1/05—Electric circuits for blasting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a digital electronic detonator priming system based on time sequence control and a control method. The technical scheme adopted is as follows: and determining the working state of the post-ordinal number electronic detonator by judging the working state of the initiating explosive device detonated by the pre-ordinal number electronic detonator, wherein the post-ordinal number electronic detonator is detonated according to the set parameters if the pre-ordinal number electronic detonator is normal, and the post-ordinal number electronic detonator is failed and does not work if the pre-ordinal number initiating explosive device does not meet the set conditions. The invention has the beneficial effects that: determining whether the subsequent initiating explosive device detonates according to the set parameters according to the working state of the preceding initiating explosive device arranged on the sealing membrane in the explosion container, and if all the cutting ropes work normally, sending a detonation instruction to the initiating explosive device in the explosion container, and detonating according to the original set detonation time sequence; if one or more cutting ropes work abnormally, a detonation instruction or a reset instruction is not sent to a initiating explosive device in an explosion container, so that the detonator cannot detonate normally due to failure, and the operation safety of the test and equipment is effectively ensured.
Description
Technical Field
The invention belongs to the technical field of digital electronic detonator equipment, and relates to a digital electronic detonator initiation system based on time sequence control and a control method.
Background
The working state of the explosive container for slotting and rupture of membranes by using the cutting rope is shown in fig. 3 and 4. Before use, the cutting ropes 4 are uniformly arranged on the inner side of the sealing membrane 5 by using a cloth-based adhesive tape and are in tight contact with the sealing membrane, all the cutting ropes are intersected at the center of the sealing membrane, the fixed support 2 and the initiating explosive column 3 are fixed at the intersection center of the cutting ropes by using an adhesive tape, and the detonator 1 is inserted into a reserved hole in the center of the fixed support 2 and is in tight contact with the initiating explosive column 3. When the explosion-proof device is in operation, firstly, the detonator 1 is detonated by the detonator 1, the detonating powder column 3 is detonated by the detonating powder column 3, the cutting rope 4 is detonated by the detonating powder column 3, the sealing membrane 5 is cut by the cutting rope 4, the cut sealing membrane is broken along the cutting rope under the action of high-pressure air flow, and the root of the outer side of the sealing membrane is overturned and is clung to the wall surface of the device. All the cutting ropes work normally, and no large broken pieces fly out from the cutting ropes.
When the cutting rope is used for grooving and cutting the sealing membrane of the explosion container, in very few cases, one or more cutting ropes with a certain probability cannot work normally due to factors such as use requirements, installation process, working state of initiating explosive devices or environment. Under the condition, the sealing diaphragm can not be opened according to the set shape, the air flow is blocked, the rear end initiating explosive device detonates according to the original design time sequence, the sealing diaphragm of the part which is not normally broken by the broken diaphragm and the shock wave generated by explosion generates punching damage, and the large broken piece generated by punching damage causes serious damage to rear end equipment and test articles, so that serious potential safety hazard exists.
The existing digital electronic detonator detonators transmit detonating parameters to all detonators detonating once before detonating, and after the detonating command is issued, all digital electronic detonators are detonated in sequence according to a set time sequence, so that interruption and change cannot be performed.
Disclosure of Invention
The invention aims to overcome the existing defects and provide a digital electronic detonator detonating system and a control method based on time sequence control, wherein a working state judging circuit and a signal processing system of a preface initiating explosive device are added on the basis of the existing principle of a digital electronic detonator, and a working state of the preface initiating explosive device is given by a post-sequence code electronic detonator detonating instruction. If all initiating explosive devices (cutting ropes) work normally, a detonation instruction is issued, and initiating explosive devices in a subsequent explosion container detonate according to an original set detonation time sequence; if one or more cutting ropes work abnormally, a detonation instruction or a reset instruction is not issued, the subsequent detonator detonation process is interrupted, and the problem in the background technology is effectively solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the detonation process is implemented in two steps, namely, the detonator for cutting the cable is detonated in the preamble and the detonator for normal work in the subsequent sequence are detonated in the preamble, the detonation instruction is issued in the subsequent sequence, and the detonation instruction in the subsequent sequence is implemented according to the detonation result in the preamble. The device comprises a main control module, an information input module, a detection and detonation module, a working state judgment circuit of initiating explosive devices, a signal acquisition module, a state display module, a communication module, a cutting rope fixing device, a flexible cutting rope and a digital electronic detonator.
The main control module is an information processing and control center of the whole system and is responsible for realizing functions;
the information input module is used for registering the digital electronic detonator, setting the detonation parameters and issuing the detonation instruction;
the detection and detonation module is used for communicating with the main control module, transmitting detonation parameters to the digital electronic detonator, detecting the state of the digital electronic detonator, charging and issuing detonation instructions;
the signal acquisition module is used for acquiring a voltage signal of the initiating explosive device working state judging circuit and feeding back the signal to the main control module in real time;
the working state judging circuit of the initiating explosive device is fixed between the cutting rope and the sealing membrane and judges the working state of the initiating explosive device by detecting the voltage changes at two ends of the circuit;
the state display module is used for displaying real-time state parameters and early warning information of the system;
the communication module is used for exchanging information with other systems;
the cutting cable fixing device, the detonating explosive column and the cutting cable are arranged on the surface of the sealing membrane, and the digital electronic detonator is contacted with the detonating explosive column through the fixing support and used for detonating the flexible cutting cable to cut the sealing membrane.
The flexible cutting cable is characterized in that an initiating explosive device working state judging circuit is arranged below the flexible cutting cable, the triggering judging circuit is processed by adopting a material which is electrified well and has certain mechanical strength, generally, an enameled wire or an insulated wire is adopted for processing, the increased material cannot influence the working performance of the cutting cable, the diameter of the increased material cannot exceed 25% of the thickness of a plate made of the same material cut by the cutting cable, the circuit is arranged between the cutting cable and the sealing membrane and keeps insulation with the cutting cable and the sealing membrane, and the circuit is connected to a detonation system through a twisted pair after being led out from the cutting cable.
The working state of the initiating explosive device is judged according to the fact that the acquisition module detects a high level in a specified time, the cutting cable is considered to work normally, and if 1 path or multiple paths of voltages do not meet the requirement in the time, the cutting cable is considered to work abnormally.
The initiator system includes: the device comprises a main control module, an information input module, a detection and detonation module, a initiating explosive device working state judging circuit, a signal acquisition module, a state display module and a communication module.
As a preferable technical scheme of the invention, the sealing membrane is a round Q235B steel plate, the section is arc-shaped, the initiating explosive column and the flexible cutting rope are fixed on the surface of the sealing membrane through bonding materials, and all the cutting ropes meet with the center of the sealing membrane.
As a preferable technical scheme of the invention, the initiator assembly comprises an initiating explosive column arranged on the inner side of a fixed support, and a plurality of flexible cutting ropes are connected on the periphery of the outer side of the installation positioning support.
As a preferable technical scheme of the invention, the cutting rope, the fixing support and the sealing membrane are fixed by adopting a cloth-based adhesive tape with good viscosity.
As a preferable technical scheme of the invention, the number of the flexible cutting ropes can be adjusted according to the specification of the membrane, the minimum number is not less than 6, and the specifications of the fixed support and the initiating explosive column are adjusted according to the number of the cutting ropes.
As a preferable technical scheme of the invention, the initiating explosive device working state judging circuit has good conductivity and certain mechanical strength, is arranged between the sealing diaphragm and the cutting cable, is buried in the lower part of the sealing diaphragm and cannot influence the working performance of the cutting cable, is connected with the signal acquisition module through a twisted pair after being led out from the cutting cable, determines the working state of the flexible cutting cable according to the voltage of the output end, and measures the voltage of the circuit to exceed 50% of the power supply voltage in a specified time to be considered as high level.
As a preferable technical scheme of the invention, the initiating explosive device working state judging circuit determines whether the cutting cable is reliably detonated by detecting the voltage changes at two sides of the circuit in real time. The judgment method is to calculate the difference between the time when the 1 st circuit reaches the high level and the time when the last 1 st circuit reaches the high level, calculate the time difference to be less than or equal to the design value, consider the cutting cable to detonate normally, and if the calculated time difference is greater than the design value or the signal is not collected in the set time, consider the cutting cable to work abnormally
As a preferable technical scheme of the invention, the power supply voltage of the work state judging circuit of the initiating explosive device cannot influence the safety of the initiating explosive device, and a 9V direct current stabilized power supply or a 9V dry battery is generally adopted for power supply.
As a preferable technical scheme of the invention, the number of the initiating explosive device working state judging circuits can be adjusted according to the specification of the membrane, and the minimum number of the initiating explosive device working state judging circuits is not less than the number of the cutting ropes.
As a preferable technical scheme of the invention, all working state judging circuits are arranged on a circle with the same radius as the center of the diaphragm.
As a preferred technical scheme of the invention, the two detection and detonation modules are the detection module A and the detection module B in an interlocking state, after the detection and detonation modules A and B charge all detonation capacitors in the digital electronic detonators, the detection and detonation module A gives a detonation instruction, the detection and detonation module B gives a detonation instruction after receiving a normal working state signal of the cutting cable given by the main control module, and the detection and detonation module B does not give a detonation instruction or gives a reset instruction when receiving an abnormal working signal of the cutting cable given by the main control module or receiving an normal working signal of the cutting cable in a specified time.
As a preferable technical scheme of the invention, the detection module A and the detection module B can simultaneously control a plurality of digital electronic detonators, and specific quantity is set and confirmed in the information input module according to use practice.
As a preferable technical scheme of the invention, the detection and detonation module can be modified by using a detonator matched with the detonator, is communicated with a safe detonation control system, and is used for operating the connected detonator according to the instruction and feeding back information in real time.
As a preferable technical scheme of the invention, the number of the sensor signals acquired by the signal acquisition module is not less than the number of the work judgment circuits of the initiating explosive device in actual use.
As a preferable technical scheme of the invention, the digital electronic detonator adopts a model without detonating instruction and detonating after charging, and adopts a model capable of resetting after charging preferentially
As a preferable technical scheme of the invention, the method comprises the following steps:
before entering the detonation flow, the registration, state inspection and parameter setting of the digital electronic detonator are required to be completed, and the state display module displays flow information in real time.
S1): and (3) detecting detonator timing, transmitting the detonation parameters to the digital electronic detonator to finish verification, if the detection is passed, entering step S2, and if the detection is not passed, detecting the connecting line or replacing the detonator according to the safety specification if necessary.
S2): the digital electronic detonator increases the pressure, the rising pressure completion detection and the initiation module enters an initiation instruction sending waiting state, the detonator enters an initiation instruction receiving state, and if the state information cannot be normally displayed, the detonator detection is carried out again;
s3): the detection and detonation module A sends a detonation instruction, if the A detonator connected with the cutting cable receives the detonation instruction, detonating is carried out according to the design time sequence, if the detonation instruction is not received, a waiting instruction is entered, and if the waiting instruction is overtime, an alarm is given;
s4): the signal acquisition module acquires the state judgment circuit information, transmits the acquired signal to the main control module, and if all initiating explosive devices detonate normally, the detection and detonation module B sends a detonation instruction, and the detonator B detonates according to a set time sequence; if one or more initiating explosive devices do not detonate normally or signals are not received in a specified time, the detection and detonation module B does not send a detonation instruction or a reset instruction, and the detonator B fails.
Compared with the prior art, the invention has the beneficial effects that: a digital electronic detonator detonating system based on time sequence control and a control method thereof determine whether a subsequent initiating explosive device in an explosion container detonates according to set parameters according to the working state of the preceding initiating explosive device arranged on a sealing diaphragm; if all the cutting ropes work normally, initiating explosive devices in the explosion container detonate according to the original set detonation time sequence; if one or more cutting ropes work abnormally, initiating explosive devices in the explosion container are interrupted to detonate and the installed detonator is disabled, so that the operation safety of the test and equipment is effectively ensured.
Drawings
FIG. 1 is a general block diagram of a system of the present invention;
FIG. 2 is a system workflow diagram of the present invention;
FIG. 3 is a schematic view of the working state of the cutting cord of the present invention;
FIG. 4 is an enlarged, fragmentary, cross-sectional view of the center of the operational state of the cutting cord of the present invention;
FIG. 5 is a schematic diagram of a circuit for judging working state of initiating explosive device according to the present invention;
FIG. 6 is a graph of the waveform of the measured high level signal of the present invention shown in FIG. 1;
FIG. 7 is a graph of a measured high level signal waveform of FIG. 2 according to the present invention;
fig. 8 is a waveform diagram 3 of a measured high level signal according to the present invention.
In the figure: 1. a detonator; 2. a fixed support; 3. initiating explosive column; 4. a flexible cutting cord; 5. a sealing membrane; 6. and a work state judging circuit of the initiating explosive device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 5, the digital electronic detonator detonating system and the control method based on time sequence control adopt the technical scheme that the detonating process is implemented in two steps, the detonator for cutting the detonator is detonated in advance by the preamble and the detonator for normal work in the subsequent sequence completes the charge of the capacitor in the detonator in advance, the detonation instruction is issued separately, and the subsequent detonation instruction is implemented according to the preamble detonation result. The device comprises a main control module, an information input module, a detection and detonation module, a working state judgment circuit of initiating explosive devices, a signal acquisition module, a state display module, a communication module, a cutting rope fixing device, a flexible cutting rope and a digital electronic detonator.
The explosion container sealing membrane is a phi 1100mm round Q235B steel plate, the thickness is 2.75mm, the section is arc-shaped, 8 cutting ropes are uniformly arranged on the inner surface of the sealing membrane in a radial manner from the center, and the cutting ropes, the fixing support, the initiating explosive column and the detonator are fixed on the membrane by adopting a cloth-based adhesive tape.
The flexible cutting cable is characterized in that an initiating explosive device working state judging circuit is arranged below the flexible cutting cable, the initiating explosive device working state judging circuit is made of flexible insulated wires with the diameter of 0.5mm, and is fixed between the cutting cable and the sealing membrane and connected to the control system through twisted pair after being led out. The judging circuit is arranged at the center of each cutting rope.
In the embodiment, the detection and detonation module A is connected with 1 digital electronic detonator, the signal acquisition module is connected with 8 paths of working state judging circuits of initiating explosive devices, and the detection and detonation module B is connected with 10 digital electronic detonators.
And the working state judging circuit of the initiating explosive device adopts a 9V dry battery to supply power. Before detonation, the trigger output end is at a low level of about 10 mv; when the cutting rope works normally, the conductive wire arranged below the cutting rope is cut off, and the output end of the circuit is far larger than the voltage before non-detonation, as shown in fig. 6, 7 and 8.
And voltage signals of the initiating explosive device working state judging circuits are collected by the signal collecting module and then transmitted to the main control module, all the judging circuits reach 4.5V within 3ms to judge that the cutting rope works normally, and if 1 path of voltage signals does not reach, the diaphragm cutting rope is not completely operated.
When the system works, the number of the used digital electronic detonators is numbered, the number of the digital electronic detonators is acquired through the information input module, and control parameters are set, including the number of detonators, delay parameters, detonator initiation control parameters, the number of working state judging circuits, working state judging parameters and the like.
When the system works, the exploder detects the state parameters of the installed digital electronic detonators, the signal acquisition module performs self-inspection, after the detection is qualified, a system working instruction is issued, and all the electronic detonator internal capacitors are charged through a cable connected with the exploder.
After the charging is finished, no abnormal condition or artificial interruption condition exists, the signal acquisition module enters a working state, the detection and detonation module A sends a detonation instruction to the detonator A connected to the cutting cable, and the detonator A detonates normally.
When the system works: the main control module is used for giving a reference time base of the system, and is responsible for processing feedback data of each module and issuing working instructions; the detection and detonation module is used for communication, time service, high-voltage charging and detection of the electronic detonator, and receiving and feeding back data of the main control module. After the detonator is qualified in time service, the high-voltage charging is carried out, after the charging is finished, the detection and detonation module A sends a detonation instruction, the signal acquisition module acquires voltage and then carries out signal switching, the main control module judges the voltage signals of 8 paths of acquisition judging circuits, and when the acquisition signals meet judging conditions, the detection and detonation module B sends the detonation instruction, and 10 electronic detonators connected with the detection and detonation module B detonate normally; the high-voltage circuit signal is not detected in 1 path or more in the set time, and the detection and detonation module B does not send out a detonation instruction or a reset instruction.
As shown in fig. 2, the signal control system steps are as follows:
before entering the detonation flow, the registration, state inspection and parameter setting of the digital electronic detonator are required to be completed, and the state display module displays flow information in real time.
S1): and (3) detecting detonator timing, transmitting the detonation parameters to the digital electronic detonator to finish verification, if the detection is passed, entering step S2, and if the detection is not passed, detecting the connecting line or replacing the detonator according to the safety specification if necessary.
S2): the digital electronic detonator is boosted, the boosting completion detection and initiation module enters an initiation instruction sending waiting state, the detonator enters an initiation instruction receiving state, if the state information cannot be normally displayed, the detonator detection is carried out again;
s3): the detection and detonation module A sends a detonation instruction, if the A detonator connected with the cutting cable receives the detonation instruction, detonating is carried out according to the design time sequence, if the detonation instruction is not received, a waiting instruction is entered, and if the waiting instruction is overtime, an alarm is given;
s4): the signal acquisition module acquires the state judgment circuit information, transmits the acquired signal to the main control module, and if all initiating explosive devices detonate normally, the detection and detonation module B sends a detonation instruction, and the detonator B detonates according to a set time sequence; if one or more initiating explosive devices do not detonate normally or signals are not received in a specified time, the detection and detonation module B does not send a detonation instruction or a reset instruction, and the detonator B fails.
Example 2
The difference with the embodiment 1 is that the sealing membrane is a phi 1600mm round Q235B steel plate, the thickness is 2.75mm, 10 cutting ropes are arranged, and the working state judging circuit of 10 initiating explosive devices is connected.
Example 3
The difference with the embodiment 1 is that the sealing membrane is a phi 2000mm round Q235B steel plate, the thickness is 2.75mm, 12 cutting ropes are arranged, and the working state judging circuit of 12 initiating explosive devices is connected.
Example 4
The difference from embodiment 1 is that 24 circuits for judging the working state of the initiating explosive device are connected. The first series of 12 cutting ropes are arranged at the 1/3 position of the single cutting rope close to the center of the sealing membrane, the second series of 12 cutting ropes are arranged at the 1/3 position of the single cutting rope close to the outer side of the sealing membrane, and the power supply voltage reaches 50% within 4ms of all the judging circuits to be the normal detonation judging threshold value.
The manner of circuit control not described in detail herein is prior art.
According to the invention, whether the initiating explosive device in the subsequent explosion container is detonated normally is determined according to the working state of the cutting rope. If all the cutting ropes work normally, initiating explosive devices in the explosion container detonate according to the original set detonation time sequence; if one or more cutting ropes work abnormally, initiating explosive devices in the explosion container are interrupted to detonate and the detonator is disabled, so that the detonation safety is effectively ensured.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A digital electronic detonator priming system based on time sequence control is characterized in that: the device comprises a main control module, an information input module, a detection and initiation module, a signal acquisition module, a state display module, a communication module, an initiator assembly, a working state judgment circuit of an initiating explosive device, a cutting rope fixing device, a flexible cutting rope and a digital electronic detonator;
the main control module is an information processing and control center of the whole system and is responsible for realizing functions;
the information input module is used for registering the digital electronic detonator, setting the detonation parameters and issuing the detonation instruction;
the detection and detonation module is used for communicating with the main control module, transmitting detonation parameters to the digital electronic detonator, detecting the state of the digital electronic detonator, charging and issuing detonation instructions;
the signal acquisition module is used for acquiring a voltage signal of the initiating explosive device working state judging circuit and feeding back the signal to the main control module in real time;
the working state judging circuit of the initiating explosive device is fixed between the cutting rope and the sealing membrane and judges the working state of the initiating explosive device by detecting the voltage changes at two ends of the circuit;
the state display module is used for displaying real-time state parameters and early warning information of the system;
the communication module is used for exchanging information with other systems;
the digital electronic detonator comprises a detonator A, wherein the detonator A contacts with the detonating powder column through a fixed support and is used for detonating the flexible cutting cable to cut the sealing membrane.
2. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: the sealing membrane is arc-shaped in cross section, and the flexible cutting rope is fixed to the surface of the sealing membrane in a reliable mode.
3. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: the detonator assembly comprises a fixed support, an initiating explosive column is filled in the inner side of the fixed support, a plurality of flexible cutting ropes are connected to the periphery of the outer side of the fixed support, and the number of the cutting ropes is determined according to the size of the membrane.
4. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: the initiating explosive device working state judging circuit has good conductivity, is arranged between the sealing diaphragm and the cutting cable, is buried in the lower part of the sealing diaphragm and cannot influence the working performance of the cutting cable, and is connected with the signal acquisition module through a twisted pair after being led out from the cutting cable.
5. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: all the initiating explosive device working state judging circuits are arranged on a circle with the center of the diaphragm as the center of the circle and the same radius.
6. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: the initiating explosive device working state judging circuit determines whether the cutting cable is reliably detonated or not by detecting the voltage changes at two sides of the circuit in real time;
the judging method is to calculate the difference between the time when the 1 st circuit reaches the high level and the time when the last 1 st circuit reaches the high level, the calculated time difference is smaller than or equal to the design value, the cutting cable is considered to be detonated normally, and if the calculated time difference is larger than the design value or a signal is not acquired within the specified time, the cutting cable is considered to work abnormally.
7. The digital electronic detonator priming system based on time sequence control of claim 1, wherein: the two detection and detonation modules comprise a detection and detonation module A and a detection and detonation module B which are in an interlocking state, after the detection and detonation modules A and B charge all detonation capacitors in the digital electronic detonators, the detection and detonation module A gives a detonation instruction, the detection and detonation module B gives a detonation instruction after receiving a normal signal of the working state of the cutting cable given by the main control module, and the detection and detonation module B does not give a detonation instruction or gives a reset instruction when receiving an abnormal working signal of the cutting cable given by the main control module or not receiving a normal working signal of the cutting cable in a specified time.
8. The digital electronic detonator priming system based on time sequence control of claim 7, wherein: the detection and detonation module A and the detection and detonation module B can simultaneously control a plurality of digital electronic detonators, and specific quantity is set and confirmed in the information input module according to use reality.
9. The control method of the digital electronic detonator priming system based on time sequence control of claim 1, wherein the control method is characterized by comprising the following steps: the method comprises the following steps:
before entering the detonation flow, the digital electronic detonator registration, state inspection and parameter setting are required to be completed, and a state display module displays flow information in real time;
s1): the detonator timing detection, namely transmitting the detonation parameters to the digital electronic detonator to finish verification, if the detection is passed, entering step S2, and if the detection is not passed, conducting detonator detection again, detecting a connecting line or replacing the detonator;
s2): the digital electronic detonator is boosted, the boosting is completed, the detection and detonation module enters a detonation instruction sending waiting state, the detonator enters a detonation instruction receiving state, and if the state information cannot be normally displayed, the detonator detection is performed again;
s3): the detection and detonation module A sends a detonation instruction, the detonator A connected with the cutting cable detonates according to the design time sequence if the detonation instruction is received, and alarms are given if the detonation instruction is not received and enters a waiting instruction and the waiting instruction is overtime;
s4): the signal acquisition module acquires information and transmits the acquired signal to the main control module, if all initiating explosive devices are detonated normally, the detection and detonation module B sends a detonation instruction, and the detonator B detonates according to a set time sequence; if one or more initiating explosive devices do not detonate normally or signals are not received in a specified time, the detection and detonation module B does not send a detonation instruction or a reset instruction, and the detonator B fails.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188798U (en) * | 2011-07-28 | 2012-04-11 | 河北卫星民爆器材有限公司 | Safe electronic exploder detonating system |
| CN203266799U (en) * | 2013-01-14 | 2013-11-06 | 中国人民解放军总参谋部工程兵科研三所 | Segment-free cutting device for large-diameter seal membrane |
| CN103851967A (en) * | 2014-03-19 | 2014-06-11 | 中国人民解放军总参谋部工程兵科研三所 | Multipoint type non-electric initiation system for large-size explosive wave simulation device |
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| JP5849972B2 (en) * | 2013-01-08 | 2016-02-03 | 日油株式会社 | Radio detonator, parent die, radio detonation system, and radio detonation method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188798U (en) * | 2011-07-28 | 2012-04-11 | 河北卫星民爆器材有限公司 | Safe electronic exploder detonating system |
| CN203266799U (en) * | 2013-01-14 | 2013-11-06 | 中国人民解放军总参谋部工程兵科研三所 | Segment-free cutting device for large-diameter seal membrane |
| CN103851967A (en) * | 2014-03-19 | 2014-06-11 | 中国人民解放军总参谋部工程兵科研三所 | Multipoint type non-electric initiation system for large-size explosive wave simulation device |
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