CN220472446U - Electronic detonator capable of being remotely and wirelessly detonated - Google Patents
Electronic detonator capable of being remotely and wirelessly detonated Download PDFInfo
- Publication number
- CN220472446U CN220472446U CN202322030920.5U CN202322030920U CN220472446U CN 220472446 U CN220472446 U CN 220472446U CN 202322030920 U CN202322030920 U CN 202322030920U CN 220472446 U CN220472446 U CN 220472446U
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- electronic detonator
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- shell
- detonator
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- 238000005422 blasting Methods 0.000 claims abstract description 30
- 230000000977 initiatory effect Effects 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 239000002360 explosive Substances 0.000 claims abstract description 20
- 230000026683 transduction Effects 0.000 claims abstract description 11
- 238000010361 transduction Methods 0.000 claims abstract description 11
- 230000006854 communication Effects 0.000 claims description 91
- 238000004891 communication Methods 0.000 claims description 91
- 230000006698 induction Effects 0.000 claims description 32
- 238000005474 detonation Methods 0.000 claims description 20
- 235000014676 Phragmites communis Nutrition 0.000 claims description 15
- 239000003999 initiator Substances 0.000 claims description 11
- 244000273256 Phragmites communis Species 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model relates to the technical field of detonator remote wireless detonating, in particular to an electronic detonator capable of being detonated remotely and wirelessly, which comprises a wireless detonating component and a digital electronic detonator component which are arranged in a split mode, wherein the digital electronic detonator component comprises a digital electronic detonator shell, an initiating explosive head for detonating initiating explosive is arranged in the digital electronic detonator shell, a control chip for receiving and identifying an initiating instruction is fixedly arranged in the digital electronic detonator shell, the control chip is connected with an ignition capacitor through a charging switch, the ignition capacitor is connected with a transduction element for detonating the initiating explosive head through a blasting switch, and the blasting switch is connected with the control chip; the utility model has simple structure and convenient use, can realize blasting through remote control, improves the personal safety of personnel on the blasting site, and further improves the working efficiency of blasting engineering compared with the existing wiring detonating mode.
Description
Technical Field
The utility model relates to the technical field of detonator remote wireless initiation, in particular to an electronic detonator capable of being remotely and wirelessly initiated.
Background
The existing blasting operation still needs a worker to lead wires on site to detonate the electronic detonator so as to detonate the explosive, and the purpose of blasting is achieved, although the blasting operation adopts the wired digital electronic detonator, the wired digital electronic detonator has a certain informationized means and technological content. However, the cable connection is performed manually, the operator is completely exposed to dangerous blasting sites by the manual lead operation mode, a great amount of time is consumed by manual field lead, the personal safety of the operator cannot be fundamentally guaranteed, the field lead also greatly increases the operation difficulty, delays the operation time, reduces the operation efficiency, and the problems of explosion rejection, false explosion and the like are likely to occur during connection due to poor contact factors of the cables.
Disclosure of Invention
In order to solve the problems, the utility model provides the electronic detonator capable of being remotely and wirelessly detonated, which has a simple structure, can realize remote operation, ensures the safety of operators and further improves the working efficiency of blasting engineering.
The utility model discloses an electronic detonator capable of being remotely and wirelessly detonated, which comprises a wireless detonating component and a digital electronic detonator component, wherein the wireless detonating component and the digital electronic detonator component are arranged in a split type, the digital electronic detonator component comprises a digital electronic detonator shell, an initiating explosive head for detonating an initiating explosive is arranged in the digital electronic detonator shell, a control chip for receiving and identifying an initiating instruction is fixedly arranged in the digital electronic detonator shell, the control chip is connected with an ignition capacitor through a charging switch, the ignition capacitor is connected with a transduction element for detonating the initiating explosive head through a blasting switch, the blasting switch is connected with the control chip, the transduction element is immersed in the initiating explosive head, and the control chip is also connected with a working capacitor;
the wireless detonation component comprises a wireless detonation tube shell, a control circuit board is fixedly arranged in the wireless detonation tube shell, and a communication antenna for receiving and sending external signals is connected to the control circuit board; the control circuit board is also connected with an energy storage device which is fixedly arranged in the wireless detonating tube shell;
an induction coil for receiving external energy is further arranged in the wireless detonation tube shell, and the induction coil is connected with the control circuit board
The control circuit board in the wireless detonation component is connected with the control chip in the digital electronic detonator component through the connecting device;
one end of the wireless detonating tube shell, which is far away from the digital electronic detonator tube shell, is provided with a detonator pulling pin.
Preferably, the connecting device comprises a power supply communication connecting socket fixedly arranged in the digital electronic detonator shell and a power supply communication connecting plug fixedly arranged in the wireless detonating tube shell, wherein the power supply communication connecting socket is connected with the control chip, the power supply communication connecting plug is connected with the control circuit board through a communication switch, and the power supply communication connecting plug extends out of one end, facing the digital electronic detonator component, of the wireless detonating tube shell and is matched and connected with one end, extending out of the digital electronic detonator shell, of the power supply communication connecting socket.
Preferably, the connecting device comprises a rear-end magnetic induction coil fixedly arranged in the digital electronic detonator shell and a front-end magnetic induction coil fixedly arranged in the wireless detonating tube shell, wherein the rear-end magnetic induction coil is connected with the control chip, the front-end magnetic induction coil is connected with the control circuit board through the communication switch, and the front-end magnetic induction coil and the rear-end magnetic induction coil are in wireless connection.
Or preferably, the detonator pulling pin comprises a fixed pulling pin, one end of the fixed pulling pin is fixedly connected with one end of the wireless detonating tube shell far away from the digital electronic detonator tube shell, and the fixed pulling pin is also provided with a pulling pin stretching ring for connecting a pull rope.
Preferably, the fixed pulling pin is fixedly connected with an anti-falling cover, the anti-falling cover comprises a plurality of elastic reeds, one ends of the elastic reeds are fixedly connected with the fixed pulling pin, the other ends of the elastic reeds extend out in a direction away from the fixed pulling pin, and the radius of a circle where the elastic reeds are connected with the fixed pulling pin is smaller than that of a circle where the other ends of the elastic reeds are located.
Preferably, the working wave band of the communication antenna is very low frequency 100KHz to 300KHz, and the physical form is a coil antenna;
the wireless communication system further comprises a communication base station, wherein the communication base station is provided with a base station coil antenna which is coupled with the communication antenna through a quasi-static magnetic field to realize wireless data transmission, and the base station coil antenna is in radio connection with the communication antenna;
the device also comprises an initiator, wherein the initiator is connected with a communication base station through Bluetooth at 2.4 Ghz.
Preferably, the digital electronic detonator shell is detachably connected with the wireless detonating shell.
Preferably, the one end that wireless detonating tube shell was connected digital electronic detonator shell all has two at least elastic bulge along circumference, the one end that digital electronic detonator shell was connected wireless detonating tube shell is the sleeve form, and is provided with the buckle hole that quantity and position all correspond with elastic bulge along circumference, stretches into digital electronic detonator shell when the one end that wireless detonating tube shell was connected digital electronic detonator shell, elastic bulge matches the setting in the buckle hole.
Preferably, an indicator light for displaying the charging state is arranged on the wireless detonation tube shell, and the indicator light is connected with the control circuit board.
The utility model has simple structure and convenient use, can realize blasting through remote control, improves the personal safety of personnel on the blasting site, and further improves the working efficiency of blasting engineering compared with the existing wiring detonating mode.
The wireless detonation component and the digital electronic detonator component are arranged in a split mode, so that the safety in the transportation process is greatly improved, and the regulations of the current public security department on the production, transportation and management of dangerous goods electronic detonators are not violated.
The external dimension of the digital electronic detonator component is consistent with the external dimension of the digital electronic detonator product which is used on a large scale in the prior market, the digital electronic detonator component is completely compatible in functionality, can be seamlessly connected with the prior digital electronic detonator production line, does not need to carry out line transformation, does not need to carry out secondary training by workers, and greatly reduces the production and manufacturing cost.
The utility model adopts a field wireless energy transmission mode to charge the battery, thereby radically avoiding the possibility of explosion accidents of electric sparks caused by electric connection plugs on the blasting field.
The detonator pulling pin is designed with two types, and can adapt to more working scenes.
According to the utility model, the wireless detonating assembly and the digital electronic detonator are connected with each other through the physical convex points and the fixing holes, and the springs are arranged under the convex points, so that the wireless detonating assembly and the digital electronic detonator can be locked in a bayonet clamping manner, and are convenient and quick.
Drawings
Fig. 1 is a schematic diagram of the principle of the present utility model.
Fig. 2 is a schematic diagram of another principle of the present utility model.
Fig. 3 is a schematic diagram of a pre-blasting installation according to the present utility model.
Fig. 4 is a schematic view of another pre-blasting installation of the present utility model.
Fig. 5 is a schematic diagram of the connection of a digital electronic detonator shell to a wireless detonator shell.
Reference numerals: the device comprises a 1-wireless detonating component, a 2-digital electronic detonator component, a 3-elastic reed, a 4-fixed pulling pin, a 5-fastening hole and a 6-elastic bulge.
Detailed Description
The utility model relates to an electronic detonator capable of being remotely and wirelessly detonated, which comprises a wireless detonating component 1 and a digital electronic detonator component 2 which are arranged in a split mode, wherein the digital electronic detonator component 2 comprises a digital electronic detonator shell, an initiating explosive head for detonating initiating explosive is arranged in the digital electronic detonator shell, a control chip for receiving and identifying an initiating instruction is fixedly arranged in the digital electronic detonator shell, the control chip is connected with a firing capacitor through a charging switch, the firing capacitor is connected with a transduction element for detonating the initiating explosive head through a blasting switch, the blasting switch is connected with the control chip, the transduction element is immersed in the initiating explosive head, and the control chip is also connected with a working capacitor; the control chip can control the explosion switch, when the switch is turned on, the energy stored in the ignition capacitor instantaneously ignites the energy-exchanging element to detonate the initiating explosive head;
the wireless detonation assembly 1 comprises a wireless detonation tube shell, wherein a control circuit board is fixedly arranged in the wireless detonation tube shell, and a communication antenna for receiving and sending external signals is connected to the control circuit board; the control circuit board is also connected with an energy storage device which is fixedly arranged in the wireless detonating tube shell;
an induction coil for receiving external energy is further arranged in the wireless detonation tube shell, and the induction coil is connected with the control circuit board
The control circuit board in the wireless detonation component 1 is connected with the control chip in the digital electronic detonator component 2 through a connecting device;
one end of the wireless detonating tube shell, which is far away from the digital electronic detonator tube shell, is provided with a detonator pulling pin.
The connecting device comprises a power supply communication connecting socket fixedly arranged in the digital electronic detonator shell and a power supply communication connecting plug fixedly arranged in the wireless detonating tube shell, wherein the power supply communication connecting socket is connected with the control chip, the power supply communication connecting plug is connected with the control circuit board through a communication switch, and the power supply communication connecting plug extends out of one end, facing the digital electronic detonator assembly 2, of the wireless detonating tube shell and is matched and connected with one end, extending out of the digital electronic detonator shell, of the power supply communication connecting socket.
The power supply communication connecting socket and the power supply communication connecting plug realize bidirectional communication, the power supply communication connecting plug is connected with the wireless detonating assembly 1 through at least two cables, the power supply communication connecting plug is connected with the control circuit board through the communication switch, the control circuit board can control the communication switch, when the communication switch is opened, the power supply and communication can be carried out on the utility model, and before the utility model is put into a working face blasting hole, the communication switch is kept in a closed state so as to ensure safety. The power supply communication connection socket and the power supply communication connection plug are used for achieving two functions of receiving energy from the wireless initiation assembly 1 and performing two-way communication with the wireless initiation assembly 1.
The wireless detonation tube shell is internally fixed with an energy storage device, the energy storage device can be a battery, the storage device is directly connected with the control circuit board through a wire, the storage device supplies power for the control circuit board, and the control circuit board can also control the charge and discharge of the energy storage device.
The induction coil in the wireless detonation tube shell for receiving external energy is directly connected with the control circuit board and is connected to the energy storage device through the control circuit board.
In another embodiment, the connection means may also be provided as follows: the connecting device comprises a rear-end magnetic induction coil fixedly arranged in the digital electronic detonator shell and a front-end magnetic induction coil fixedly arranged in the wireless detonating shell, wherein the rear-end magnetic induction coil is connected with the control chip, the front-end magnetic induction coil is connected with the control circuit board through the communication switch, and the front-end magnetic induction coil and the rear-end magnetic induction coil are in radio connection.
The detonator pulling pin comprises a fixed pulling pin 4, one end of the fixed pulling pin 4 is fixedly connected with one end of the wireless detonating tube shell far away from the digital electronic detonator tube shell, and a pulling pin stretching ring used for connecting a pulling rope is further arranged on the fixed pulling pin 4, and the pulling rope is used for pulling when the detonator pulling pin is placed into a blasting hole of a blasting operation surface.
According to the in-service use operating mode, fixed pin 4 can also set up as follows, still fixedly connected with prevents falling the cover on the fixed pin 4, prevent falling the cover and include a plurality of spring reed 3, the one end of spring reed 3 is fixed with fixed pin 4 of pulling out and is linked to each other, and the other end of spring reed 3 stretches out towards the direction of keeping away from fixed pin 4 of pulling out, and the radius that the fixed pin 4 of pulling out is connected to spring reed 3 is less than the radius of the circle that the other end is located. The anti-drop cover is used for blocking the blastholes after the anti-drop cover is placed into the blastholes on the top working surface during top working, so that the anti-drop cover can be effectively prevented from dropping.
The working wave band of the communication antenna is very low frequency 100KHz to 300KHz, and the physical form is a coil antenna;
the wireless communication system further comprises a communication base station, wherein the communication base station is provided with a base station coil antenna which is coupled with the communication antenna through a quasi-static magnetic field to realize wireless data transmission, and the base station coil antenna is in radio connection with the communication antenna;
the device also comprises an initiator, wherein the initiator is connected with a communication base station through Bluetooth at 2.4 Ghz.
The communication technology of the communication antenna is a magnetic induction through-the-earth communication technology, and the specific operation is that a communication base station is erected on the ground, a base station coil antenna for transmitting and receiving data is connected to the communication base station, and the base station coil antenna and the communication antenna realize wireless data transmission through quasi-static magnetic field coupling; the communication base station is 50-100 meters away from the operation site during normal blasting operation, and people are not required to operate on the site around the communication base station, but are out of the blasting range. In normal blasting operation, the initiator is generally 200 meters away from the operation site, and requires a person to operate the initiator on the site.
The digital electronic detonator shell is detachably connected with the wireless detonating shell.
The one end that wireless detonating tube shell was connected digital electronic detonator shell all has two at least elastic bulge 6 along circumference, the one end that wireless detonating tube shell was connected to digital electronic detonator shell is the sleeve form, and is provided with buckle hole 5 that quantity and position all correspond with elastic bulge 6 along circumference, stretches into digital electronic detonator shell when the one end that wireless detonating tube shell was connected digital electronic detonator shell, elastic bulge 6 matches and sets up in buckle hole 5.
An indicator lamp for displaying the charging state is arranged on the wireless detonation tube shell and is connected with the control circuit board.
During transportation, the digital electronic detonator component 2 is packaged independently, transportation is carried out according to a public security agency safety management method for civil explosive articles, the wireless detonating component 1 is packaged independently, transportation is carried out according to common electronic products with energy storage components, and during transportation, the energy storage components of the wireless detonating component 1 are in an undercurrent protection state.
When in use, the method comprises the following steps:
first step, after taking out wireless initiating component 1 of individual packing from the packing box, use special wireless charger to charge wireless initiating component 1 through induction coil, when successfully charging, the charge indicator of wireless initiating component 1 shows red, after the completion of charging, the charge indicator shows green.
And secondly, erecting a communication base station antenna, starting up the communication base station, starting up the initiator, opening a Bluetooth channel, connecting the communication base station, and controlling the communication base station to communicate with the wireless initiation assembly 1 through the communication antenna by using the Bluetooth channel of the initiator.
And thirdly, sending a self-checking command to the wireless detonating assembly 1 by using an exploder, checking whether a communication link or a wireless communication link connection condition is normal, and checking whether the wireless detonating detonator communication socket is in a power-off state.
Fourthly, connecting the digital electronic detonator shell with the wireless detonating shell, and installing a detonator fixing pin 4; if the blasting is a top operation, a fixed pulling pin 4 with an anti-drop cover is installed.
And fifthly, binding a pull rope on a fixed pull pin 4 of the electronic detonator which can be detonated wirelessly, and then putting the electronic detonator into the working surface for blasting.
And sixthly, using an exploder, controlling a wireless explosion component 1 of the electronic detonator capable of being detonated wirelessly and remotely to open a communication switch through a communication base station communication antenna, supplying power to the digital electronic detonator component 2 through a power supply communication channel on a socket, waiting for a plurality of seconds, establishing communication between the working capacitor of the digital electronic detonator component 2 and the digital electronic detonator component 2 through a power supply communication channel of a power supply communication connection plug after the working capacitor is fully charged, performing self-checking on the digital electronic detonator component 2 after the communication is established, and mainly checking whether a transduction element works normally or not, and whether the ignition capacitor is in a 0-voltage state or not.
If the connecting device is a front-end magnetic induction coil and a rear-end magnetic induction coil, the sixth step is as follows: the wireless initiation assembly 1 of the electronic detonator capable of being initiated wirelessly and remotely is controlled to start a communication switch by using an initiator through a base station coil antenna of a communication base station, power is supplied to the digital electronic detonator assembly 2 through a rear-end magnetic induction coil, after a working capacitor of the digital electronic detonator assembly 2 is fully charged for a few seconds, communication is established between a front-end magnetic induction coil and the rear-end magnetic induction coil, the communication mode is wireless, the working frequency is 20Khz, after the communication is established, self-checking is performed on the digital electronic detonator assembly 2, whether a transduction element works normally or not is mainly checked, and whether an ignition capacitor is in a 0-voltage state or not is mainly checked.
And seventhly, using an exploder, controlling a control chip to open a charging switch through a communication base station to charge the ignition capacitor, detecting whether the state of the ignition capacitor is normal after waiting for a plurality of seconds, if the normal charging is completed, waiting for the exploder to send an ignition explosion command, receiving a legal command, opening the explosion switch by the control chip of the digital electronic detonator component 2, releasing the energy stored on the ignition capacitor, igniting a transduction element, wherein the transduction element is directly immersed in the initiating explosive head, so that the initiating explosive head can be directly ignited, and the wireless explosion process is completed.
Claims (9)
1. The electronic detonator capable of being remotely and wirelessly detonated comprises a wireless detonating component and a digital electronic detonator component which are arranged in a split mode, and is characterized in that the digital electronic detonator component comprises a digital electronic detonator shell, an initiating explosive head used for detonating an initiating explosive is arranged in the digital electronic detonator shell, a control chip used for receiving and identifying an initiating instruction is fixedly arranged in the digital electronic detonator shell, the control chip is connected with a firing capacitor through a charging switch, the firing capacitor is connected with a transduction element used for detonating the initiating explosive head through a blasting switch, the blasting switch is connected with the control chip, the transduction element is immersed in the initiating explosive head, and the control chip is also connected with a working capacitor;
the wireless detonation component comprises a wireless detonation tube shell, a control circuit board is fixedly arranged in the wireless detonation tube shell, and a communication antenna for receiving and sending external signals is connected to the control circuit board; the control circuit board is also connected with an energy storage device which is fixedly arranged in the wireless detonating tube shell;
an induction coil for receiving external energy is further arranged in the wireless detonation tube shell, and the induction coil is connected with a control circuit board;
the control circuit board in the wireless detonation component is connected with the control chip in the digital electronic detonator component through the connecting device;
one end of the wireless detonating tube shell, which is far away from the digital electronic detonator tube shell, is provided with a detonator pulling pin.
2. The electronic detonator of claim 1 wherein the connection means comprises a power communication connection socket fixedly disposed in the digital electronic detonator shell and a power communication connection plug fixedly disposed in the wireless detonator shell, the power communication connection socket being connected to the control chip, the power communication connection plug being connected to the control circuit board via the communication switch, the power communication connection plug extending from the wireless detonator shell toward one end of the digital electronic detonator assembly to be matingly connected to one end of the power communication connection socket extending from the digital electronic detonator shell.
3. The electronic detonator of claim 1 wherein the connection means comprises a rear magnetic induction coil fixedly disposed in the digital electronic detonator shell and a front magnetic induction coil fixedly disposed in the wireless detonator shell, the rear magnetic induction coil being connected to the control chip, the front magnetic induction coil being connected to the control circuit board via the communication switch, the front magnetic induction coil being in radio communication with the rear magnetic induction coil.
4. An electronic detonator capable of being remotely and wirelessly detonated according to claim 2 or 3, wherein the detonator pulling pin comprises a fixed pulling pin, one end of the fixed pulling pin is fixedly connected with one end of the wireless detonating tube shell far away from the digital electronic detonator tube shell, and the fixed pulling pin is further provided with a pulling pin stretching ring for connecting a pull rope.
5. The electronic detonator capable of being detonated remotely and wirelessly according to claim 4, wherein the fixed pulling pin is fixedly connected with an anti-drop cover, the anti-drop cover comprises a plurality of elastic reeds, one ends of the elastic reeds are fixedly connected with the fixed pulling pin, the other ends of the elastic reeds extend in a direction away from the fixed pulling pin, and the radius of a circle where the elastic reeds are connected with the fixed pulling pin is smaller than that of a circle where the other ends of the elastic reeds are located.
6. The remotely wireless detonatable electronic detonator of claim 1 wherein the communications antenna has an operating band of very low frequency of 100KHz to 300KHz and a physical form of a coil antenna;
the wireless communication system further comprises a communication base station, wherein the communication base station is provided with a base station coil antenna which is coupled with the communication antenna through a quasi-static magnetic field to realize wireless data transmission, and the base station coil antenna is in radio connection with the communication antenna;
the device also comprises an initiator, wherein the initiator is connected with a communication base station through Bluetooth at 2.4 Ghz.
7. An electronic detonator as claimed in claim 1 wherein said digital electronic detonator shell is removably connected to the wireless detonator shell.
8. The electronic detonator capable of being detonated remotely and wirelessly according to claim 7, wherein the end of the wireless detonating tube shell connected with the digital electronic detonator tube shell is provided with at least two elastic bulges along the circumferential direction, the end of the digital electronic detonator tube shell connected with the wireless detonating tube shell is sleeve-shaped, the number and the positions of the elastic bulges are provided with buckling holes corresponding to the elastic bulges along the circumferential direction, and when the end of the wireless detonating tube shell connected with the digital electronic detonator tube shell stretches into the digital electronic detonator tube shell, the elastic bulges are matched and arranged in the buckling holes.
9. The electronic detonator of claim 8, wherein the wireless detonator shell is provided with an indicator light for displaying the charging state, and the indicator light is connected with the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030920.5U CN220472446U (en) | 2023-07-31 | 2023-07-31 | Electronic detonator capable of being remotely and wirelessly detonated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322030920.5U CN220472446U (en) | 2023-07-31 | 2023-07-31 | Electronic detonator capable of being remotely and wirelessly detonated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472446U true CN220472446U (en) | 2024-02-09 |
Family
ID=89775898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322030920.5U Active CN220472446U (en) | 2023-07-31 | 2023-07-31 | Electronic detonator capable of being remotely and wirelessly detonated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472446U (en) |
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2023
- 2023-07-31 CN CN202322030920.5U patent/CN220472446U/en active Active
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