CN112229287A - Wireless charging exploder - Google Patents
Wireless charging exploder Download PDFInfo
- Publication number
- CN112229287A CN112229287A CN202011064754.5A CN202011064754A CN112229287A CN 112229287 A CN112229287 A CN 112229287A CN 202011064754 A CN202011064754 A CN 202011064754A CN 112229287 A CN112229287 A CN 112229287A
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- China
- Prior art keywords
- wireless charging
- circuit
- network
- electrically connected
- detonator
- 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.)
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- 238000005422 blasting Methods 0.000 claims description 42
- 238000004880 explosion Methods 0.000 claims description 40
- 238000005474 detonation Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- -1 phenolic aldehyde Chemical class 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003999 initiator Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
- H02J50/27—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of receiving antennas, e.g. rectennas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a wireless charging exploder, which comprises: the wireless charging circuit comprises a transmitting coil and a transmitting chip, the transmitting coil is electrically connected with the transmitting chip, the transmitting power of the transmitting coil is 340 milliwatts, the receiving circuit comprises a receiving coil and a receiving chip, and the receiving power of the receiving coil is 50-130 milliwatts. Through the mode, the wireless charging exploder provided by the invention is characterized in that the wireless charging circuit is connected to the mine exploder, the exploder is wirelessly charged by utilizing the power of the transmitting coil and the power of the receiving coil, meanwhile, the receiving circuit is attached to the shell of the exploder, the transmitted signals can be directly received by the mesh antenna and can be recycled, and the working time of operators and maintenance personnel can be saved.
Description
Technical Field
The invention relates to a detonator, belongs to the field of coal mine detonators, and particularly relates to a wireless charging detonator.
Background
The coal mine exploder is mainly applied to triggering the electric detonator in underground coal mine explosion and is suitable for being used in the working environment of mines with gas and coal dust explosion risks. The exploder in the prior art generally uses dry batteries, although the using effect is good, the waste of resources is caused to a great extent, meanwhile, the dry batteries are disposable batteries, the dry batteries need to be continuously replaced in long-term use, and the sufficient electric quantity cannot be ensured. Therefore, the research on the rechargeable battery and the rechargeable detonator which can ensure the electric quantity to be sufficient and normally detonate the detonator have practical significance.
Disclosure of Invention
The invention mainly solves the technical problem of how to provide a wireless charging exploder which is connected with a wireless charging circuit on a mine exploder, utilizes the power of a transmitting coil and a receiving coil to wirelessly charge the exploder, meanwhile, the receiving circuit is attached in an exploder shell, can directly receive and repeatedly utilize the transmitted signal by a mesh antenna, and can save the working time of operators and maintenance personnel.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a wireless charging detonator comprising: the device comprises an exploder shell, an electric explosion network, a wireless charging circuit, an electric detonator interface, a network resistance measuring port, a network resistance value display device, a switch, a high-voltage output terminal and a blasting wiring terminal. The electric explosion network is electrically connected with the electric detonator and the network resistance measuring port respectively, the network resistance value display device and the switch are arranged on the shell of the exploder and are electrically connected with each other, one end of the wireless charging circuit is electrically connected with the network resistance value display device, the other end of the wireless charging circuit is electrically connected with the switch, and the wireless charging circuit is electrically connected with the electric explosion network. The high-voltage output terminal and the blasting wiring terminal are electrically connected with the electric blasting network respectively, when the switch rotates to the charging direction, the charging indicator lamp is on, the wireless charging circuit starts to charge, when the switch rotates to the blasting direction, the blasting indicator lamp is on, the electric blasting network controls the blaster to start blasting, and the shell of the blaster is made of high-strength phenolic glass fiber plastic.
In a preferred embodiment, the number of the electric detonator interfaces is two, namely a first electric detonator interface and a second electric detonator interface, and the first electric detonator interface and the second electric detonator interface are respectively connected with one end of an electric explosion network in a control mode.
In a preferred embodiment, the number of the network resistance measuring ports is set to be 2, and the network resistance measuring ports are respectively a first network resistance measuring port and a second network resistance measuring port, and the first network resistance measuring port and the second network resistance measuring port are respectively connected with the other end of the electrical explosion network in a control mode.
In a preferred embodiment, the electric explosion network comprises an oscillating circuit, a voltage-multiplying rectifying circuit, a charging indicating circuit, an explosion indicating circuit and a network resistance display, wherein the oscillating circuit and the voltage-multiplying rectifying circuit are electrically connected, the charging indicating circuit, the explosion indicating circuit and the network resistance display are electrically connected in sequence, the oscillating circuit, the voltage-multiplying rectifying circuit, the charging indicating circuit, the explosion indicating circuit and the network resistance display are electrically connected with a power supply, and the power supply is electrically connected with the wireless charging circuit.
In a preferred embodiment, the electric explosion network is connected with a high-voltage output terminal, and the high-voltage output terminal is electrically connected with the voltage-doubling rectifying circuit and the power supply respectively.
In a preferred embodiment, a receiving circuit is further connected to the electric explosion network, and the receiving circuit is connected in parallel with the wireless charging circuit.
In a preferred embodiment, the wireless charging circuit includes a transmitting coil, a transmitting chip, a converting interface and a USB interface, the transmitting coil is electrically connected to the transmitting chip, the converting interface corresponds to the USB interface, the USB interface is electrically connected to the converting interface, and the transmitting chip is electrically connected to the converting interface.
In a preferred embodiment, the transmit power of the transmit coil is 340 milliwatts.
In a preferred embodiment, the receiving circuit comprises a receiving coil and a receiving chip, and the receiving coil is electrically connected with the receiving chip.
In a preferred embodiment, the receive power of the receive coil is 50-130 milliwatts.
The invention has the beneficial effects that: the wireless charging circuit is connected to the mine exploder, the exploder is wirelessly charged by using the power of the transmitting coil and the power of the receiving coil, meanwhile, the receiving circuit is attached to the exploder shell, the transmitted signals can be directly received by the mesh antenna and can be recycled, and the working time of operators and maintenance personnel can be saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a detonator shell according to an embodiment of the wireless charging detonator of the present invention;
FIG. 2 is a block diagram of an exemplary embodiment of an explosion network for a wireless charging initiator;
fig. 3 is a schematic diagram of a wireless charging circuit according to an embodiment of the wireless charging initiator of the present invention;
FIG. 4 is a schematic diagram of a receiving circuit in an embodiment of a wireless charging initiator of the present invention;
FIG. 5 is a circuit diagram of an explosion network in an embodiment of a wireless charging initiator of the present invention;
the various references in the drawings are: 1. a detonator shell; 2. an electric explosion network; 21. an oscillation circuit; 22. a voltage doubler rectifier circuit; 23. a receiving circuit; 231. a receiving coil; 232. a receiving chip; 24. a charge indication circuit; 25. a detonation indicating circuit; 26. a network resistance display; 27. a power source; 31. a first electric detonator interface; 32. a second electric detonator interface; 41. a first network resistance measurement port; 42. a second network resistance measurement port; 5. a network resistance value display device; 51. a charging indicator light; 52. a detonation indicator light; 6. a switch; 7. a display board; 8. a high voltage output terminal; 9. blasting wiring terminals; 10. a first hanging hole; 11. a second hanging hole; 12. a wireless charging circuit; 121. a transmitting coil; 122. a transmitting chip; 123. converting an interface; 124. and a USB interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a wireless charging detonator is provided, including: the system comprises an exploder shell 1, an electric explosion network 2, a wireless charging circuit 12, an electric detonator interface, a network resistance measuring port, a network resistance value display device 5, a switch 6, a high-voltage output terminal 8 and an explosion wiring terminal 9, wherein the electric explosion network 2 is respectively and electrically connected with the electric detonator interface and the network resistance measuring port, the network resistance value display device 5 and the switch 6 are both arranged on the exploder shell 1, the network resistance value display device 5 is electrically connected with the switch 6, one end of the wireless charging circuit 12 is electrically connected with the network resistance value display device 5, the other end of the wireless charging circuit is electrically connected with the switch 6, and the wireless charging circuit 12 is electrically connected with the electric explosion network 2; the network resistance value display device 5 is provided with a charging indicator lamp 51 and an initiation indicator lamp 52, and the high-voltage output terminal 8 and the blasting connection terminal 9 are respectively electrically connected with the electric blasting network 2. The high-voltage output terminal 8 and the blasting wiring terminal 9 are used for measuring the on-off state of a detonator, and the network resistance measuring port is used for measuring whether a circuit is powered on or not. The shell 1 of the exploder is further provided with a display board 7, and the display board 7 is set to be a nameplate in one embodiment, is positioned on the outer surface of the shell 1 of the exploder and is used for displaying the use place, the attention points and the like of the exploder. The top end of the exploder shell 1 is further provided with a first hanging hole 10 and a second hanging hole 11, and the first hanging hole 10 and the second hanging hole 11 are located at two ends of the top of the exploder shell 1 and are respectively used for hanging the wireless charging exploder to a safe place. In one implementation process, the display window of the network resistance display device 5 has three display functions, which are as follows:
1. the upper left corner displays green color for normal charging;
2. the upper right corner is used for detonation display and light prompt detonation;
3. the number is shown as a measure of the network resistance in units of Q.
When the switch 6 is rotated to the charging direction, the charging indicator lamp 51 is turned on, and the wireless charging circuit 12 starts charging; when the switch 6 rotates to the blasting direction, the detonation indicator lamp 52 is on, high voltage of more than three thousand volts is output outwards, and the electric blasting network 2 controls the blasting machine to start blasting, so that the electric detonator is detonated.
In the prior art, the shell 1 of the detonator is mostly made of a glass fiber reinforced plastic shell, and the shell 1 of the detonator is made of high-strength phenolic glass fiber plastic, is a dual-resistance material and has the effects of static resistance and flame resistance.
The number of the electric detonator interfaces is two, the electric detonator interfaces are respectively a first electric detonator interface 31 and a second electric detonator interface 32, and the first electric detonator interface 31 and the second electric detonator interface 32 are respectively in control connection with one end of the electric explosion network 2.
The number of the network resistance measuring ports is 2, the network resistance measuring ports are respectively a first network resistance measuring port 41 and a second network resistance measuring port 42, and the first network resistance measuring port 41 and the second network resistance measuring port 42 are respectively connected with the other end of the electric explosion network 2 in a control mode.
The electric explosion network 2 comprises an oscillating circuit 21, a voltage-multiplying rectifying circuit 22, a charging indicating circuit 24, an explosion indicating circuit 25 and a network resistance display 26, wherein the oscillating circuit 21 and the voltage-multiplying rectifying circuit 22 are electrically connected, the charging indicating circuit 24, the explosion indicating circuit 25 and the network resistance display 26 are electrically connected in sequence, the oscillating circuit 21, the voltage-multiplying rectifying circuit 22, the charging indicating circuit 24, the explosion indicating circuit 25 and the network resistance display 26 are electrically connected with a power supply 27, and the power supply 27 is electrically connected with the wireless charging circuit 12.
The electric explosion network 2 is connected with a high-voltage output terminal 8, and the high-voltage output terminal 8 is electrically connected with the voltage-doubling rectifying circuit 22 and the power supply 27 respectively. The wireless charging circuit 12 is connected with the wireless charging network 2 through the receiving circuit 23, and the wireless charging circuit 23 is connected with the wireless charging circuit 12 in parallel. The wireless charging circuit 12 includes a transmitting coil 121, a transmitting chip 122, a converting interface 123 and a USB interface 124, the transmitting coil 121 is electrically connected to the transmitting chip 122, the converting interface 123 corresponds to the USB interface 124, the USB interface 124 is electrically connected to the converting interface 123, and the transmitting chip 122 is electrically connected to the converting interface 123. Wherein, in one embodiment, the transmitting power of the transmitting coil 121 is 340 milliwatts. The receiving circuit 23 includes a receiving coil 231 and a receiving chip 232, and the receiving coil 231 and the receiving chip 232 are electrically connected. The receiving power of the receiving coil 231 is 50-130 milliwatts. The receiving coil 231 corresponds to the transmitting coil 121, one is used for receiving power and the other is used for transmitting power, the receiving circuit 23 is placed on a receiving plate, the receiving plate is pasted and fixed in the shell 1 of the exploder, the transmitted signal is directly received by a mesh antenna, and the transmitted signal can penetrate through the shell 1 of the exploder.
In a preferred embodiment, the present invention provides the following methods of use:
1. testing
Before blasting, the resistance value of blasting bus is measured, then the connected electric detonator network is connected to the blasting bus, the digital display surface of the blasting machine faces upwards, two bus connectors are connected to the test terminal, and the full resistance value of the tested electric detonator network is displayed on the display screen at once.
2. Charging blasting
And after the blasting network is tested to be qualified, two buses of the blasting network are detached from the test terminal and then connected to the blasting binding post. The key switch is turned to the charging position, the charging indicator lamp is on, and the key switch is turned to the blasting position for blasting when the blasting indicator lamp is on. And after the blasting procedure is finished, the key is taken out, the dustproof cap is worn, the tube is well protected, and charging is forbidden when the blasting procedure is finished.
In the implementation process, the digital display detection function is used for detecting the total resistance value of the blasting network and detecting the resistance values of the detonators and the blasting buses, if the detected blasting network has a virtual joint, the detonators have unqualified quality, and the joints of the detonators have poor connection such as virtual connection, grounding and the like, the digital display detection instrument can accurately detect the resistance values so as to prevent the situations of misfiring, mis-blasting and the like in blasting. The main circuit of the exploder consists of an oscillating circuit, a voltage doubling rectifying circuit and an indicating circuit. Before blasting, the connecting network is tested to be qualified, if the connecting network is unqualified, the connecting line and each detonator connecting point can be checked by using a digital display test function to discharge faults, two blasting buses after the test is qualified are respectively connected to blasting binding posts, a key switch is turned to a charging position to be connected with a power supply, when a blasting indicator lamp is on, the key switch is turned to a blasting position to ignite electric detonators, and the residual voltage is rapidly discharged from a discharge resistor. The shell of the exploder is made of high-strength phenolic glass fiber plastics through hot pressing, and the shell is provided with blasting terminals, a network resistance test terminal, a digital display window, a charging indicator light, a blasting indicator light and an operation key socket.
In the implementation process of the invention, a 5# high-energy battery is used, the performance and technical indexes of the exploder are tested by using an FC-3 type exploder parameter measuring instrument on the ground before use, and the exploder can be used after qualification.
Therefore, the invention has the following advantages: the wireless charging circuit is connected to the mine exploder, the exploder is wirelessly charged by using the power of the transmitting coil and the power of the receiving coil, meanwhile, the receiving circuit is attached to the exploder shell, the transmitted signals can be directly received by the mesh antenna and can be recycled, and the working time of operators and maintenance personnel can be saved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A wireless charging detonator, comprising: the detonator is characterized by comprising an exploder shell (1), an electric explosion network (2), a wireless charging circuit (12), an electric detonator interface, a network resistance measuring port, a network resistance display device (5), a switch (6), a high-voltage output terminal (8) and an explosion wiring terminal (9), wherein the electric explosion network (2) is electrically connected with the electric detonator interface and the network resistance measuring port respectively, the network resistance display device (5) and the switch (6) are arranged on the exploder shell (1), the network resistance display device (5) is electrically connected with the switch (6), one end of the wireless charging circuit (12) is electrically connected with the network resistance display device (5), the other end of the wireless charging circuit is electrically connected with the switch (6), and the wireless charging circuit (12) is electrically connected with the electric explosion network (2); be provided with charge indicator (51) and detonation indicator (52) on net resistance display device (5), high-voltage output terminal (8) and blasting binding post (9) respectively with electric explosion net (2) between electric connection, when switch (6) are rotatory to the direction of charging, charge indicator (51) are bright, wireless charging circuit (12) begin to charge, when switch (6) are rotatory to the direction of blasting, detonation indicator (52) are bright, electric explosion net (2) control exploder begins to explode, the material of exploder shell (1) is high strength phenolic aldehyde glass silk plastics.
2. The wireless charging detonator according to claim 1, wherein the number of the electric detonator interfaces is two, and the first electric detonator interface (31) and the second electric detonator interface (32) are respectively arranged, and the first electric detonator interface (31) and the second electric detonator interface (32) are respectively connected with one end of the electric detonating network (2) in a control way.
3. A wireless charging detonator as claimed in claim 2, wherein the network resistance measuring ports are set to 2, which are a first network resistance measuring port (41) and a second network resistance measuring port (42), respectively, and the first network resistance measuring port (41) and the second network resistance measuring port (42) are respectively connected with the other end of the electrical explosion network (2) in a control way.
4. The wireless charging detonator according to claim 1, wherein the electric explosion network (2) comprises an oscillating circuit (21), a voltage-doubling rectifying circuit (22), a charging indicating circuit (24), an explosion indicating circuit (25) and a network resistance display (26), the oscillating circuit (21) and the voltage-doubling rectifying circuit (22) are electrically connected, the charging indicating circuit (24), the explosion indicating circuit (25) and the network resistance display (26) are electrically connected in sequence, the oscillating circuit (21), the voltage-doubling rectifying circuit (22), the charging indicating circuit (24), the explosion indicating circuit (25) and the network resistance display (26) are electrically connected with a power supply (27), and the power supply (27) and the wireless charging circuit (12) are electrically connected.
5. A wireless charging exploder according to claim 4 wherein the electric explosion network (2) is connected to a high voltage output terminal (8), and the high voltage output terminal (8) is electrically connected to the voltage doubling rectifier circuit (22) and the power supply (27).
6. The wireless charging exploder according to claim 4, wherein a receiving circuit (23) is further connected to the electric explosion network (2), and the receiving circuit (23) is connected with the wireless charging circuit (12) in parallel.
7. The wireless charging detonator according to claim 1, wherein the wireless charging circuit (12) comprises a transmitting coil (121), a transmitting chip (122), a converting interface (123) and a USB interface (124), the transmitting coil (121) is electrically connected with the transmitting chip (122), the converting interface (123) corresponds to the USB interface (124), the USB interface (124) is electrically connected with the converting interface (123), and the transmitting chip (122) is electrically connected with the converting interface (123).
8. A wireless charging detonator as claimed in claim 7, wherein the transmitting power of the transmitting coil (121) is 340 milliwatts.
9. A wireless charging detonator according to claim 6, wherein the receiving circuit (23) comprises a receiving coil (231) and a receiving chip (232), and the receiving coil (231) and the receiving chip (232) are electrically connected.
10. A wireless charging detonator as claimed in claim 9, wherein the receiving power of the receiving coil (231) is 50-130 milliwatts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064754.5A CN112229287A (en) | 2020-09-30 | 2020-09-30 | Wireless charging exploder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064754.5A CN112229287A (en) | 2020-09-30 | 2020-09-30 | Wireless charging exploder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112229287A true CN112229287A (en) | 2021-01-15 |
Family
ID=74119980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011064754.5A Withdrawn CN112229287A (en) | 2020-09-30 | 2020-09-30 | Wireless charging exploder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112229287A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234742A (en) * | 2022-01-19 | 2022-03-25 | 北京伊拜科技有限责任公司 | Wireless detonator control method and device and detonator |
-
2020
- 2020-09-30 CN CN202011064754.5A patent/CN112229287A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234742A (en) * | 2022-01-19 | 2022-03-25 | 北京伊拜科技有限责任公司 | Wireless detonator control method and device and detonator |
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Application publication date: 20210115 |
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