CN102519327B - Method and device for connecting and controlling electronic detonator priming device and electronic detonator - Google Patents
Method and device for connecting and controlling electronic detonator priming device and electronic detonator Download PDFInfo
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- CN102519327B CN102519327B CN201110408573.4A CN201110408573A CN102519327B CN 102519327 B CN102519327 B CN 102519327B CN 201110408573 A CN201110408573 A CN 201110408573A CN 102519327 B CN102519327 B CN 102519327B
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- electric detonator
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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
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C11/00—Electric fuzes
- F42C11/04—Electric fuzes with current induction
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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
- F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay
Abstract
The invention discloses a method and a device for connecting and controlling an electronic detonator priming device and an electronic detonator. An electronic detonator controller is additionally arranged between the electronic detonator priming device and the electronic detonator; the energy and a signal between the electronic detonator priming device and the electronic detonator are both transmitted by the electronic detonator controller; the magnetic ring induction is adopted as a way of transmitting the energy and the downlink communication signal of the electronic detonator controller between the electronic detonator priming device and the electronic detonator controller; the uplink communication signals of the electronic detonator controller and the electronic detonator priming device are transmitted by adopting a radio wave; and therefore, the wire connecting way between the electronic detonator priming device and the electronic detonator is simplified, good electromagnetic interference resistance can be obtained, and the priming network paralysis caused by faults of a certain electronic detonator also can be avoided. The adopted communication mode improves the stability and reliability in use. The method disclosed by the invention is simple and easy to implement; and the adopted device is simple in structure, convenient to manufacture and low in cost.
Description
Technical field
The present invention relates to a kind of control method and device of electric detonator, especially a kind of electronic detonator initiator is connected and control method with electric detonator.
Background technology
At present, Magnedat is a kind of detonator occurring the beginning of the nineties, and it has adopted the selecting frequency characteristic of the soft magnetic materials such as transformer principle and manganese-zinc ferrite, and product has good anti-electromagnetic interference capability.But there is the problems such as series connection poor reliability, delay precision be poor in its.Electric detonator is a kind of Novel detonator occurring the end of the nineties, it comprises that the assembly of an electronics integrated chip (comprising telecommunication circuit, electronic timing circuit with initiator), accumulator, electronic ignition switch and basic electric cap forms, and has the advantages such as two-way communication, password are detonated, controlled reliably, defer time is accurate.Dan Xian is international, domestic realization mostly adopts use in parallel with the electric detonator of initiator two-way communication, need to realize detonator payment to a porter is directly connected with initiator output the electric of bus, this process has more shortcoming, as: when complicated operation, large-scale application, hand labor intensity is large;
During electric detonator fault, larger current sinking may be produced, while there is such electric detonator in parallel network, can not normally using of other electric detonators in consolidated network may be caused; Whatever direct electrical connection, the metallic contact of exposure is the poorest place of water resistance; Chinese patent discloses the patent application that application number is " 200420104510.5 ", a kind of magnetoelectric electronic delay electric detonator has wherein been proposed, its structure shows that it is a kind of electric detonator of failing to realize with priming device two-way communication, cannot after filling hole, electric detonator carry out two-way communication, whether the electric detonator that can not confirm to have filled hole is normal, deposited larger familiar lacunas.
Electric detonator need to be used in the wild, if use controlled in wireless to detonate, general method is to allow its built-in powered battery, open cell switch, but safety problem easily appears again in so i.e. not environmental protection of product when needs are used.Have the electric detonator that utilizes microwave to carry out initiation control to report abroad, but its cost being high, may there is dead angle in the two-way radio communication of all carrying out, and is worth not high in actual use.
Summary of the invention
The object of the invention is: being connected and control method and device of a kind of electronic detonator initiator and electric detonator is provided, it has simplified the mode of connection between electronic detonator initiator and electric detonator, and can play the effect of good anti-electromagnetic interference, can also avoid the fault of some electric detonators and cause whole initiation net paralysis, stability and the reliability used have been improved, to overcome the deficiencies in the prior art.
The present invention is achieved in that being connected and control method of electronic detonator initiator and electric detonator, it is characterized in that: between electronic detonator initiator and electric detonator, increase electric detonator controller, energy between electronic detonator initiator and electric detonator and the transmission of signal are all carried out transfer by electric detonator controller, adopt magnet ring induction as the energy of electric detonator controller and the transfer mode of downgoing communication signal between electronic detonator initiator and electric detonator controller; The uplink communication signal of electric detonator controller and electronic detonator initiator adopts radio wave to transmit; Thereby simplified the mode of connection between electronic detonator initiator and electric detonator, and can play the effect of good anti-electromagnetic interference, can also avoid the fault of some electric detonators and cause the paralysis of whole initiation net.
Electronic detonator initiator has adopted carrier modulation to the downgoing communication mode of electric detonator controller.
The downlink command decision that the radio wave transmitting time of all electric detonator controllers sends by electronic detonator initiator, synchronization only can have an electric detonator controller to send radio wave.Because all electric detonator controllers all adopt the wireless signal of same frequency to carry out data transmission, institute thinks and avoids a plurality of electric detonators to start to send message simultaneously and cause wireless signal conflict, the wireless data of electric detonator sends the instruction being represented by the current signal changing on output line by electronic detonator initiator and specifies transmitting time interval, to guarantee in the same time, only an electric detonator controller can send radio wave to space.
Electric detonator controller, comprises hollow soft magnetism ring, on hollow soft magnetism ring, is wound with electric energy input coil; Separately be provided with communication control circuit plate, be provided with output payment to a porter on communication control circuit plate, electric energy input coil is connected with radio communication control circuit board.
Communication control circuit plate comprises rectification circuit, input signal identification circuit, integrated control chip, storage capacitor, electric detonator interface control circuit, wireless signal output circuit and wireless signal antenna; Integrated control chip respectively with input signal identification circuit, storage capacitor, electric detonator interface control circuit and wireless signal output circuit connect; Rectification circuit is connected with storage capacitor and input signal identification circuit respectively; Storage capacitor is connected with electric detonator interface control circuit; Wireless signal output circuit is connected with wireless signal antenna; Rectification circuit is connected with electric energy input coil; Electric detonator interface control circuit is connected with output payment to a porter.Storage capacitor can be accumulated the electric energy sensing by hollow soft magnetism ring, can reduce like this current value of initiator output line, saves initiator power consumption, increases the access times of initiator.
On integrated control chip, be integrated with the memory circuit of energy power down save data.Can preserve and produce the parameter that the producer of this controller need insert, as the baud rate of the geocoding of this controller itself, communication etc.; Can also preserve the parameter of connect electric detonator, as unique identity ID coding of connecing electric detonator, the delay adjustments value etc. of detonating; Can also preserve by other in some parameter of using the on-the-spot equipment that can communicate by letter with controller to insert, as electronic detonator initiator need be revised the delay adjustments value of detonating that electric detonator inside has been set.
At hollow soft magnetism ring, electric energy input coil and communication control circuit plate peripheral hardware matcoveredn.While using at the scene; transmission for convenience of electronic detonator initiator output line through hollow soft magnetism ring and transmission radio wave signal; electric detonator controller need be placed on earth's surface; by its output payment to a porter, be connected with the electric detonator payment to a porter in packing big gun hole into; therefore; at electric detonator controller, protective layer (being encapsulated with plastics) is set outward, can protects as protecting hollow soft magnetism ring and circuit board, improve its water proofing property.
Electricity supply and control communication mode of the present invention is: the output line of electronic detonator initiator is through hollow soft magnetism ring, output line is equivalent to the elementary of transformer, on line, there is frequency in the electric current process of 50～200KHZ scope, the rectification circuit of its secondary induced voltage input communication control circuit board, rectification circuit provides the required electric energy of all built-up circuits, and simultaneously controller input signal identification circuit also identifies the parameters such as frequency, amplitude, phase place of current electronic detonator initiator output current.
External electronic detonator initiator may be defined as digital 1 o'clock of output, controlling its output line power frequency is decided to be F1 value and maintains static, export digital 0 o'clock, output current frequency is decided to be F0 value and maintains static, F1 is not equal to F0, and electronic detonator initiator can adopt frequency shift keying fsk mode to realize to the electric detonator of networking and send data; Certainly the signal that electronic detonator initiator also can adopt the Different Modulations such as amplitude shift keying ASK mode, phase-shift keying (PSK) PSK mode need export electronic detonator initiator is modulated, the input signal identification circuit of communication control circuit plate obtains this data after also just adopting corresponding demodulation mode demodulation, when electronic detonator initiator sends data and adopts unified in advance baud rate reception with communication control circuit plate, on communication control circuit plate, integrated chip can be identified the data command that initiator sends completely.
When electric detonator controller will send data to electronic detonator initiator, can export control instruction to wireless transmission circuit, make its by predetermined modulation system to wanting transmitted signal to modulate and send radio wave, electronic detonator initiator is received after this signal, by obtaining this data after demodulation mode demodulation corresponding to wireless transmission chip modulator approach.
For saving electric energy, when communication control circuit plate does not need to send wireless signal, the driving ring current of wireless signal output circuit is integrated control chip and turn-offs.
Because electronic detonator initiator need to need to pass through the transfer of electric detonator controller with communicating by letter of electric detonator pipe inner control circuit plate, therefore, the communication mode of electric detonator controller and electric detonator pipe inner control circuit plate can be made an appointment according to the using method of control chip in pipe.
In actual use, the output line of electronic detonator initiator can pass some electric detonator controllers successively, each device can an external electric detonator, the object of detonating to reach electric detonator networking, and such operation is convenient and simple especially concerning people workmen.If some electric detonator controllers of having networked lost efficacy, as internal short-circuit or open circuit, because the output line of electronic detonator initiator is to wear hollow soft magnetism ring mistake, the electric detonator that this bad electric detonator controller just cannot have been networked on other produces any impact.
When using electric detonator to need on-scene communication test, often personnel do not withdraw from scene, for guaranteeing highly reliable, the high security of on-the-spot explosion, electronic detonator initiator is when carrying out communicating by letter of non-fuze signal with electric detonator controller, the current value of output line can be controlled in reduced levels, guarantees that voltage on storage capacitor is no more than the voltage of low energy ignition electronic detonator.When needs detonate operation, just the output line current value of electronic detonator initiator is controlled to higher level, guarantee that on storage capacitor, voltage reaches the voltage that electric detonator guarantees to detonate.
In concrete production, can connect the payment to a porter of electric detonator controller and electric detonator is disposable, without exposed metal wiring point, antijamming capability and water resistance when guaranteeing on-the-spot use.In traditional control mode, electric detonator is after install at use scene, also need to be connected with electronic detonator initiator, therefore can reserve aborning the payment to a porter that connects use, adopt the present invention without reserved this payment to a porter, when having simplified wiring, also saved the use amount of payment to a porter.
Also there is following advantage in the present invention: the signal that electronic detonator initiator sends to electric detonator controller is induced signal closely, the signal amplitude of each electric detonator controller is substantially equal, there is not the dead angle of wireless signal, solved the problem at wireless signal dead angle.The signal that electric detonator controller sends to electronic detonator initiator is more remote for selecting, if field transmission range is the wireless output signal of 300 meters, when certain very special reason finds to receive the controller that returns feedback wireless signal, the hole bitmap that workmen can arrange net according to electric detonator finds this electric detonator controller, ascertain the reason, the situation of the electric detonator of avoiding losing efficacy occurs.
Owing to having adopted technique scheme, compared with prior art, the present invention adopts electric detonator controller as the transfer that is connected between electronic detonator initiator and electric detonator, make the transmission of energy between electronic detonator initiator and electric detonator and signal all by electric detonator controller, electric detonator controller can be simplified the mode of connection between electronic detonator initiator and electric detonator, and can play the effect of good anti-electromagnetic interference, can also avoid the fault of some electric detonators and cause whole initiation net paralysis, the communication modes adopting has improved stability and the reliability used.Method of the present invention is simple, easily implements, and the apparatus structure adopting is simple, easy to make, with low cost, and result of use is good.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is use structural representation of the present invention;
Accompanying drawing 3 is that device of the present invention is used flow chart;
The circuit diagram that accompanying drawing 4 is rectification circuit of the present invention;
Accompanying drawing 6 is schematic diagram before and after control signal demodulation of the present invention;
Accompanying drawing 7 is the circuit diagram of electric detonator interface control circuit of the present invention;
The circuit diagram that accompanying drawing 9 is integrated control chip of the present invention.
The specific embodiment
Embodiments of the invention: electronic detonator initiator is connected and control method with electric detonator, between electronic detonator initiator and electric detonator, increase electric detonator controller, energy between electronic detonator initiator and electric detonator and the transmission of signal are all carried out transfer by electric detonator controller, adopt magnet ring induction as the energy of electric detonator controller and the transfer mode of downgoing communication signal between electronic detonator initiator and electric detonator controller; The uplink communication signal of electric detonator controller and electronic detonator initiator adopts radio wave to transmit; Thereby simplified the mode of connection between electronic detonator initiator and electric detonator, and can play the effect of good anti-electromagnetic interference, can also avoid the fault of some electric detonators and cause the paralysis of whole initiation net.
A kind of structure of electric detonator controller as shown in Figure 1, comprises hollow soft magnetism ring 1, on hollow soft magnetism ring 1, is wound with electric energy input coil 2; Separately be provided with communication control circuit plate 12, be provided with output payment to a porter 10 on communication control circuit plate 12, electric energy input coil 2 is connected with radio communication control circuit board 12; Communication control circuit plate 12 comprises rectification circuit 3, input signal identification circuit 6, integrated control chip 7, storage capacitor 4, electric detonator interface control circuit 5, wireless signal output circuit 9 and wireless signal antenna 8; Integrated control chip 7 respectively with input signal identification circuit 6, storage capacitor 4, electric detonator interface control circuit 5 and wireless signal output circuit 9 connects; Rectification circuit 3 is connected with storage capacitor 4 and input signal identification circuit 6 respectively; Storage capacitor 4 is connected with electric detonator interface control circuit 5; Wireless signal output circuit 9 is connected with wireless signal antenna 8; On integrated control chip 7, be integrated with the memory circuit 13 of energy power down save data; Rectification circuit 3 is connected with electric energy input coil 2; Electric detonator interface control circuit 5 is connected with output payment to a porter 10.After electric detonator controller is made, protective layer made of plastic encapsulates it.
In plant produced, to make after above-mentioned device, disposable the connecting of payment to a porter by the output payment to a porter in said apparatus 10 with electric detonator 11, guarantees without exposed metal wiring point, antijamming capability and water resistance when guaranteeing on-the-spot use.
The data of electric detonator controller are through wireless signal antenna 8 wireless transmissions, by reception antenna 16 receptions of electronic detonator initiator 14.
At operation field, with the output line 15 of electronic detonator initiator 14, through hollow soft magnetism ring 1, form a closed-loop path, then electric detonator 11 is arranged on to assigned address, then according to following steps, operate:
Step 1: it is the electric current of the about 3A of 70KHZ that the output line 15 of electronic detonator initiator 14 starts output frequency, electric energy input coil 2 has induced-current to produce according to transformer principle, this electric current is after rectification circuit 3, form voltage V1, V1 charges to storage capacitor 4 after voltage stabilizing, storage capacitor 4 is charged to after certain voltage, to other circuit units, powers, and integrated control chip 7 starts normal work; 6 pairs of electric energy input coils 2 of input signal identification circuit obtain signal and carry out frequency identification; Now electric detonator controller is not communicated by letter with external connected electronic detonator 11.
Step 2: electronic detonator initiator 14 sends digital command, instruction is decided to be in the present embodiment by FSK modulation rule: output line curent change frequency 70KHZ is defined as numeral 1, and output line curent change frequency 50KHZ is defined as numeral 0; The command content of making an appointment according to electronic detonator initiator 14 and electric detonator controller thus, electronic detonator initiator 14 sends electric detonator controller self-checking command.
Step 3: electric detonator controller is received after self-checking command, starts self the electric circuit constitute to check, forming position also drives electric detonator interface control circuit 5, sends the instructions such as addressing and self check, and receive electric detonator 11 related datas to electric detonator 11.
Step 4: after electronic detonator initiator 14 waits for a period of time, send independent data query instruction to the electric detonator controller of 15 processes of output line.Electric detonator controller receives that electronic detonator initiator 14 returns after feedback instruction for the data that require of the machine, to wireless signal output circuit 9, send instruction, by wireless signal antenna 8, to electronic detonator initiator 14, send the data that the previous step after 9 modulation of wireless signal output circuit obtains.
Step 5: electronic detonator initiator 14 is received after the modulation that electric detonator controller sends after data, adopt the content that obtains these data after corresponding demodulation mode demodulation, whether address and the corresponding state data of the electric detonator 11 of having confirmed electric detonator controller and having connected are normal, offer operator, whether operator certainly carries out next step operation.
Step 6: if when electronic detonator initiator 14 need to carry out other instructions or data communication with electric detonator controller or electric detonator 11, by above-mentioned second step, to four-step method, carry out, it should be noted that, the output line 15 of electronic detonator initiator 14 need to have the about 3A current of a curent change frequency 50～200KHZ process always, so that this controller obtains the required electric energy of operation.
Step 7: while needing to detonate operation, increase the electric current of output line 15 to 6A, frequency changes and sends fuze by FSK rule again.Electric detonator is controlled and is received after instruction, to external electric detonator 11, sends fuze.
Input signal identification circuit 6 is that the digital command that electronic detonator initiator 14 sends carries out carrying out data downlink communication after FSK modulation, and receiving terminal must be reduced into the discernible data signal of MCU and a kind of circuit of the FSK demodulation carried out.Along with developing rapidly of integrated circuit, the FSK demodulator circuit consisting of resolution element has been integrated FSK chip and has replaced, so the present invention adopts CD4046 chip.Its peripheral circuit as shown in Figure 5, before and after demodulation signal more as shown in Figure 6.
Electric detonator interface control circuit 5 is control circuits that electric detonator 11 is carried out to data communication, all not quite alike for the electric detonator interface standard of domestic and international each electric detonator manufacturer, need design respectively to realize this control function.The electric detonator that has adopted Jiulian Civil Explosive Equipment Development Co., Ltd., Guizhou to produce in this example is sketched electric detonator interface control circuit 5 of the present invention, as shown in Figure 7
Electric detonator interface control circuit 5 can be realized the control communication that Guizhou is joined for a long time to electric detonator 11, and it is controlled and the communicating by letter of electric detonator 11 by two I/O ports of integrated control chip 7.By an I/O port of integrated control chip 7 as above 2 pin of figure come driving N PN and PNP pipe to reach to electric detonator 11 down-transmitting datas.Upstream data is that electric detonator 11 returns feedback data by carving when appropriate the mode of increase self current drain to integrated control chip, in figure, the existence of LM393 comparator is exactly in order to judge the size of electric detonator current drain, its output has represented whether the size of the current drain of the electric detonator that connects 11 surpasses a fixed value, and MCU judges that electric detonator returns the data value of feedback thus.
Wireless signal output circuit 9 is electronic detonator initiator 14 to be uploaded to the circuit of this wireless communication electronics detonator data message, make the formation two-way communication of electronic detonator initiator 14 and electric detonator 11, to guarantee the safe and reliable of radio communication, in the present invention, what wireless signal output circuit 9 adopted is the radio circuit of ASK modulation system, F113 chip, consist of, its peripheral circuit as shown in Figure 8.
An I/O port of integrated control chip 7 is connected with the ASK pin of radio frequency chip F113, and integrated control chip 7 passes to F113 the data message of electric detonator 11 in this way, and then F113 passes through wireless signal antenna 8 heavenwards radiation by wireless signal.Integrated control chip 7 is the effect of playing logic control in the present invention, the PIC12F519 that selects U.S. microchip company to produce in this example is integrated control chip 7, and it has 6 I/O ports, the timer of 8 and the EEPROM memory space of 64 bytes.Its circuit diagram as shown in Figure 9.
Claims (4)
1. an electronic detonator initiator and electric detonator is connected and control method, it is characterized in that: between electronic detonator initiator and electric detonator, increase electric detonator controller, energy between electronic detonator initiator and electric detonator and the transmission of signal are all carried out transfer by electric detonator controller, adopt magnet ring induction as the energy of electric detonator controller and the transfer mode of downgoing communication signal between electronic detonator initiator and electric detonator controller; The uplink communication signal of electric detonator controller and electronic detonator initiator adopts radio wave to transmit; Thereby simplified the mode of connection between electronic detonator initiator and electric detonator, and can play the effect of good anti-electromagnetic interference, can also avoid the fault of some electric detonators and cause the paralysis of whole initiation net; The downlink command decision that the radio wave transmitting time of all electric detonator controllers sends by electronic detonator initiator, synchronization only can have an electric detonator controller to send radio wave.
2. an electric detonator controller, comprises hollow soft magnetism ring (1), it is characterized in that: on hollow soft magnetism ring (1), be wound with electric energy input coil (2); Separately be provided with communication control circuit plate (12), be provided with output payment to a porter (10) on communication control circuit plate (12), electric energy input coil (2) is connected with radio communication control circuit board (12); Communication control circuit plate (12) comprises rectification circuit (3), input signal identification circuit (6), integrated control chip (7), storage capacitor (4), electric detonator interface control circuit (5), wireless signal output circuit (9) and wireless signal antenna (8); Integrated control chip (7) respectively with input signal identification circuit (6), storage capacitor (4), electric detonator interface control circuit (5) and wireless signal output circuit (9) connect; Rectification circuit (3) is connected with storage capacitor (4) and input signal identification circuit (6) respectively; Storage capacitor (4) is connected with electric detonator interface control circuit (5); Wireless signal output circuit (9) is connected with wireless signal antenna (8); Rectification circuit (3) is connected with electric energy input coil (2); Electric detonator interface control circuit (5) is connected with output payment to a porter (10).
3. electric detonator controller according to claim 2, is characterized in that: the memory circuit (13) that is integrated with energy power down save data on integrated control chip (7).
4. electric detonator controller according to claim 2, is characterized in that: at hollow soft magnetism ring (1), electric energy input coil (2) and communication control circuit plate (12) peripheral hardware matcoveredn.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408573.4A CN102519327B (en) | 2011-12-09 | 2011-12-09 | Method and device for connecting and controlling electronic detonator priming device and electronic detonator |
| PCT/CN2012/001635 WO2013082868A1 (en) | 2011-12-09 | 2012-12-06 | Electric detonator primer and method and device for connecting and controlling electric detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110408573.4A CN102519327B (en) | 2011-12-09 | 2011-12-09 | Method and device for connecting and controlling electronic detonator priming device and electronic detonator |
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| CN102519327A CN102519327A (en) | 2012-06-27 |
| CN102519327B true CN102519327B (en) | 2014-03-19 |
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| CN201110408573.4A Active CN102519327B (en) | 2011-12-09 | 2011-12-09 | Method and device for connecting and controlling electronic detonator priming device and electronic detonator |
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| WO (1) | WO2013082868A1 (en) |
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| CN104899941A (en) * | 2014-03-04 | 2015-09-09 | 李孝杰 | Electronic lock equipped safe electric detonator |
| EP3123104B1 (en) * | 2014-03-27 | 2019-08-21 | Orica International Pte Ltd | Explosive primer unit and method for blasting |
| US10295323B2 (en) * | 2014-03-27 | 2019-05-21 | Orica International Pte Ltd. | Apparatus, system and method for blasting using magnetic communication signal |
| CN105897431A (en) * | 2014-08-20 | 2016-08-24 | 北斗国科（北京）科技有限公司 | Novel non-polar differential pulse width communication protocol |
| EP3076120A1 (en) * | 2015-03-30 | 2016-10-05 | Maxamcorp Holding, S.L. | Protection circuit in blasting systems |
| CN106323106A (en) * | 2015-07-03 | 2017-01-11 | 沈阳三阳电子标签有限公司 | Electronic delay magneto electric detonator controller and control method thereof |
| CN109103676B (en) * | 2018-09-28 | 2023-05-12 | 北京理工大学 | Non-shearing stranded wire electric connection plug-in based on electromagnetic induction and method thereof |
| CN110500924B (en) * | 2019-08-21 | 2021-06-29 | 杭州国芯科技股份有限公司 | Safety magnetoelectric detonator without exposed electric contact and detonation method |
| CN110645851B (en) * | 2019-09-10 | 2022-04-29 | 贵州全安密灵科技有限公司 | Wired frequency modulation communication method and circuit for electronic detonator initiator and electronic detonator |
| CN111023923A (en) * | 2019-12-31 | 2020-04-17 | 西安物华巨能爆破器材有限责任公司 | Magnetoelectric detonator detonation control circuit |
| CN111238326B (en) * | 2020-01-17 | 2022-11-25 | 杭州晋旗电子科技有限公司 | Electronic detonator communication circuit and electronic detonator |
| CN113983882B (en) * | 2021-09-28 | 2023-05-05 | 浙江赞芯电子科技有限公司 | Electronic detonator networking and electronic detonator networking method |
| CN114719699A (en) * | 2022-04-08 | 2022-07-08 | 宏大爆破工程集团有限责任公司 | Safety detonating device |
| CN117589019B (en) * | 2024-01-19 | 2024-03-19 | 抚顺隆烨化工有限公司 | Electronic detonator and control method thereof |
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| Publication number | Publication date |
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| CN102519327A (en) | 2012-06-27 |
| WO2013082868A1 (en) | 2013-06-13 |
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