CN216245886U - Digital electronic detonator igniter - Google Patents
Digital electronic detonator igniter Download PDFInfo
- Publication number
- CN216245886U CN216245886U CN202122994342.8U CN202122994342U CN216245886U CN 216245886 U CN216245886 U CN 216245886U CN 202122994342 U CN202122994342 U CN 202122994342U CN 216245886 U CN216245886 U CN 216245886U
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- CN
- China
- Prior art keywords
- diode
- digital electronic
- electronic detonator
- control chip
- ignition
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- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model relates to a digital electronic detonator detonating device. The utility model comprises a control circuit and a rubber plug. The power output end of the rectifier bridge in the control circuit is connected with the power end of the control chip, the reflux end is connected with the reference ground pin of the control chip and the cathode of the electrolytic capacitor, the anode of the electrolytic capacitor and one end of the ignition bridge wire are connected with the charging pin of the control chip, and the other end of the ignition bridge wire is connected with the ignition switch of the control chip. A common-mode inductor is arranged in the rubber plug, two output pins of the common-mode inductor are respectively connected with two input ends of the rectifier bridge through riveting and an input bonding pad, and the two input pins are led out of the rubber plug and serve as two pin wires of the digital electronic detonator. According to the utility model, a traditional isolation protection circuit is not needed in a control circuit of the electronic detonator, amplitude suppression and energy consumption are carried out through the common-mode inductor, a digital electronic detonator control module is protected, the probability of occurrence of blind shots is reduced, and the safety of the digital electronic detonator is improved.
Description
Technical Field
The utility model belongs to the technical field of digital electronic detonators, and particularly relates to a digital electronic detonator detonating device.
Background
With the enhancement of national control on the safety of gunpowder, the early detonating tube is gradually eliminated, and the technology of the digital electronic detonator is continuously developed and perfected, and the technical superiority is more and more widely known. The existing digital electronic detonator generally comprises a detonator leg wire, a detonator tube plug, a detonator electronic control module, detonator ignition powder and a detonator tube shell, wherein the detonator leg wire is connected with the detonator electronic control module through a detonator rubber plug. With the popularization of the application of the digital electronic detonator, the terminal user still has the problem of the blasting effect and the use safety problem of the new technology of the digital electronic detonator. The realization of the function of a common digital electronic detonator is mainly determined by an ignition delay circuit thereof. The charging circuit and the discharging circuit form a main ignition circuit of the system, the capacitor is charged through the charging circuit under the control of the microcontroller, and the capacitor is discharged through the discharging circuit when the delay time written into the controller in advance is reached, so that the ignition head is ignited. However, in an actual blasting site, a plurality of digital electronic detonators are connected in series to a bus through respective leg wires, a detonation delay network is adopted, the digital electronic detonators and explosives which are blasted first act with a rock layer to generate strong electromagnetic crosstalk, the electromagnetic crosstalk acts on an electronic control module in the digital electronic detonators through the leg wires of the digital electronic detonators which are not blasted, so that power failure of capacitors in the electronic control module can be caused, blind blasting cannot be achieved, a blasting effect cannot be achieved, and in serious cases, the detonators can be detonated in advance, and other potential safety hazards can be caused.
In the prior art, an anti-electromagnetic interference circuit is basically added on a circuit board of a digital electronic detonator, and particularly, a protection circuit is added at the input end of a microcontroller on the printed circuit board, and the protection circuit is mainly added with TVS (transient voltage suppressor), common mode capacitor, point discharge, current limiting resistor and other protection devices, so that the requirements on the devices are high, the circuit structure is complex, and the requirements on the structures and the sizes of a control module and a tube shell of the digital electronic detonator are not facilitated.
Disclosure of Invention
The utility model aims to provide a digital electronic detonator detonating device aiming at the problems of the existing electronic detonators.
The utility model comprises a control circuit and a rubber plug.
The control circuit comprises a rectifier bridge, a control chip U, an electrolytic capacitor C and an ignition bridge wire Rw; the rectifier bridge comprises four diodes, a first diode D1Cathode of and a second diode D2The anode of the anode is connected with an input bonding pad of the rear circuit board; third diode D3Anode of and a fourth diode D4The cathode of the second power supply is connected with the other input bonding pad of the rear circuit board; second diode D2Cathode of and a third diode D3The cathode of the rectifier bridge is connected with a power supply output end serving as a rectifier bridge and is connected with a power supply end Vcc of the control chip U; first diode D1Anode of and a fourth diode D4The anode of the rectifier is connected with a reflux end serving as a rectifier bridge and is connected with a reference ground pin Vss of a control chip U and the cathode of an electrolytic capacitor C; the anode of the electrolytic capacitor C and one end of the ignition bridge wire Rw are connected with a charging pin HVout of the control chip U, and the other end of the ignition bridge wire Rw is connected with an ignition switch g of the control chip U; the control circuit 1 is encapsulated and packaged integrally, and the ignition bridge wire Rw is positioned outside the package.
A common-mode inductor is arranged in the rubber plug and tightly wrapped; one output pin of the common mode inductor is connected and conducted with one input bonding pad through one riveting, and the other output pin of the common mode inductor is connected and conducted with the other input bonding pad through the other riveting; two input pins of the common mode inductor are led out of the rubber plug and used as two pin wires of the digital electronic detonator.
The utility model only needs to transform the inside of the original digital electronic detonator rubber plug, does not need to change the structure and the size of the existing digital electronic detonator control module and the detonator shell, and does not need to adopt the traditional isolation protection circuit in the control circuit of the electronic detonator. By adopting the utility model, when electromagnetic crosstalk is input from the pin wire input end, amplitude suppression and energy consumption are carried out through the common-mode inductor in the rubber plug of the digital electronic detonator, so that the purpose of protecting the digital electronic detonator control module is achieved, the probability of occurrence of blind shots is reduced, and the safety of the digital electronic detonator is improved. On the premise of not changing the structure and size of the existing digital electronic detonator, the problems in the background technology can be effectively solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a control circuit according to the present invention.
Detailed Description
The utility model is further described below with reference to the figures and examples. The following examples are only specific examples of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using the design concept shall fall within the scope of the present invention.
As shown in fig. 1 and 2, the digital electronic detonator igniter comprises a control circuit 1 and a rubber plug 2.
The control circuit 1 comprises a rectifier bridge, a control chip U, an electrolytic capacitor C and an ignition bridgewire Rw. The bridge comprises four diodes, a first diode D1Cathode of and a second diode D2Is connected with an input pad 11 of the rear circuit board; third diode D3Anode of and a fourth diode D4Is connected to another input pad 12 of the back connection circuit board; second diode D2Cathode of and a third diode D3The cathode of the rectifier bridge is connected with a power supply output end serving as a rectifier bridge and is connected with a power supply end Vcc of the control chip U; first diode D1Anode of and a fourth diode D4The anode of the rectifier is connected with a reflux end serving as a rectifier bridge and is connected with a reference ground pin Vss of a control chip U and the cathode of an electrolytic capacitor C; the anode of the electrolytic capacitor C and one end of the ignition bridge wire Rw are connected with a charging pin HVout of the control chip U, and the other end of the ignition bridge wire Rw is connected with an ignition switch g of the control chip U. The control circuit 1 is encapsulated and packaged integrally, and the ignition bridge wire Rw is positioned outside the package.
A common mode inductor 3 is arranged in the rubber plug 2 and tightly wraps the common mode inductor 3. One output pin of the common mode inductor 3 is connected to and conducted with one input pad 11 by one rivet 31, and the other output pin of the common mode inductor 3 is connected to and conducted with the other input pad 12 by the other rivet 32. Two input pins of the common mode inductor 3 are led out of the rubber plug 2 and used as two pin wires N/P of the digital electronic detonator.
Claims (1)
1. The utility model provides a digital electronic detonator ignition, includes control circuit and plug, its characterized in that:
the control circuit comprises a rectifier bridge, a control chip U, an electrolytic capacitor C and an ignition bridge wire Rw; the rectifier bridge comprises four diodes, a first diode D1Cathode of and a second diode D2The anode of the anode is connected with an input bonding pad of the rear circuit board; third diode D3Anode of and a fourth diode D4The cathode of the second power supply is connected with the other input bonding pad of the rear circuit board; second diode D2Cathode of and a third diode D3The cathode of the rectifier bridge is connected with a power supply output end serving as a rectifier bridge and is connected with a power supply end Vcc of the control chip U; first diode D1Anode of and a fourth diode D4The anode of the rectifier is connected with a reflux end serving as a rectifier bridge and is connected with a reference ground pin Vss of a control chip U and the cathode of an electrolytic capacitor C; the anode of the electrolytic capacitor C and one end of the ignition bridge wire Rw are connected with a charging pin HVout of the control chip U, and the other end of the ignition bridge wire Rw is connected with an ignition switch g of the control chip U; the control circuit is integrally encapsulated and packaged, and the ignition bridge wire Rw is positioned outside the package;
a common-mode inductor is arranged in the rubber plug and tightly wrapped; one output pin of the common mode inductor is connected and conducted with one input bonding pad through one riveting, and the other output pin of the common mode inductor is connected and conducted with the other input bonding pad through the other riveting; two input pins of the common mode inductor are led out of the rubber plug and used as two pin wires of the digital electronic detonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122994342.8U CN216245886U (en) | 2021-11-25 | 2021-11-25 | Digital electronic detonator igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122994342.8U CN216245886U (en) | 2021-11-25 | 2021-11-25 | Digital electronic detonator igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216245886U true CN216245886U (en) | 2022-04-08 |
Family
ID=80960242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122994342.8U Active CN216245886U (en) | 2021-11-25 | 2021-11-25 | Digital electronic detonator igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216245886U (en) |
-
2021
- 2021-11-25 CN CN202122994342.8U patent/CN216245886U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310012 5-6 / F, block a, East Software Park Innovation Building, 90 Wensan Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Guoxin Microelectronics Co.,Ltd. Country or region after: China Address before: 310012 5-6 / F, block a, East Software Park Innovation Building, 90 Wensan Road, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU NATIONALCHIP SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |