CN209840859U - Underground magnetoelectric detonator priming device - Google Patents
Underground magnetoelectric detonator priming device Download PDFInfo
- Publication number
- CN209840859U CN209840859U CN201920232030.3U CN201920232030U CN209840859U CN 209840859 U CN209840859 U CN 209840859U CN 201920232030 U CN201920232030 U CN 201920232030U CN 209840859 U CN209840859 U CN 209840859U
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- power supply
- circuit
- switch tube
- power switch
- supply circuit
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Abstract
The utility model discloses a magnetoelectric detonator initiating device in pit, including power supply circuit, power supply circuit connection control circuit, control circuit include first power switch tube, and first power switch tube's source electrode is connected with power supply circuit's anodal, and the pulse output is connected to first power switch tube's leakage level, and drive circuit is connected to first power switch tube's grid, and drive circuit connects digital controller, and digital controller connects power supply circuit. The utility model discloses a priming circuit, its circuit arrangement and perforation bullet magnetoelectric detonator are integrated installs in the perforating gun together, provide 12V DC power supply through the ground instrument and can work, and the pulse wave of output magnetoelectric detonator preset frequency detonates the detonator, has guaranteed the safe and reliable of oil field perforation construction.
Description
Technical Field
The utility model belongs to the technical field of oil field is prospecting and mining facilities in the pit, a magnetoelectric detonator priming device in the pit is related to.
Background
The electric detonator is adopted in the general oil well perforation, but the electric detonator is unsafe in use because the resistance wire of the electric detonator has low impedance, generally only a few ohms to dozens of ohms, and can not directly avoid the static electricity and the interference of field well sites due to electric leakage, which often causes explosion accidents in the construction and brings unnecessary casualties and loss to human bodies and equipment.
The magnetoelectric detonator is formed by connecting a safety element and an electric detonator, the safety element adopts a magnetic ring, and the magnetoelectric detonator has the following functions: the received external electric signals are identified, if the frequency of the signals is lower than a certain section of specific frequency, the signals cannot be transmitted to the resistance bridge wire, and the electric detonator cannot detonate, so that accidental detonation can be avoided. Only when the input signal matches the predetermined frequency, the signal is transmitted to the electric detonator, i.e. the electric detonator can be detonated. The magnetoelectric detonator is completely insulated from the outside electrically, has strong stray current resistance, static electricity resistance, induced current resistance, electromagnetic radiation resistance, anti-creeping capacity and good waterproof performance, needs a special initiation device for initiation, and has high safety. The existing detonating device generally uses a pulse wave with a specific frequency directly loaded on a cable wire by a ground detonating instrument to carry out detonating operation, and in the operation mode, as energy is attenuated on the cable, the energy cannot be transmitted, so that the detonating failure is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetoelectric detonator priming device in pit has solved among the prior art ground energy and can not transmit the problem to in the pit reliably.
The utility model provides a technical scheme be, a magnetoelectric detonator initiating device in pit, including power supply circuit, power supply circuit connection control circuit, control circuit include first power switch tube, and first power switch tube's source electrode is connected with power supply circuit's anodal, and pulse output is connected to first power switch tube's leakage, and drive circuit is connected to first power switch tube's grid, and drive circuit connects digital controller, and digital controller connects power supply circuit.
The utility model is also characterized in that,
the power supply circuit comprises a VCC power supply, the VCC power supply is provided with a power supply by a ground instrument, an energy storage capacitor set is further connected between two ends of the VCC power supply, and the output end of the energy storage capacitor set is connected with the source electrode of the first power switch tube.
The energy storage capacitor group is formed by connecting a plurality of capacitors in parallel.
And a voltage stabilizing power supply circuit is also connected between the two ends of the VCC power supply, and the output end of the voltage stabilizing power supply circuit is connected with the digital controller.
The voltage stabilizing power supply circuit stabilizes the output voltage of the VCC power supply at 5V.
The beneficial effects of the utility model are that, a magnetoelectric detonator priming device in pit, through the direct mode initiation magnetoelectric detonator of loading direct current on the cable of ground priming appearance, solved among the prior art ground energy and can not transmit the problem to in the pit reliably. A detonating device of an underground magnetoelectric detonator and a perforating bullet magnetoelectric detonator are integrated together and installed in a perforating gun, a 12V direct current power supply is provided through a ground instrument to work, and the frequency preset by the output magnetoelectric detonator detonates the detonator. The safety and the reliability of the oil field perforation construction are ensured.
Drawings
Fig. 1 is a schematic structural composition diagram of a detonation system of a downhole magnetoelectric detonator initiation device of the utility model;
fig. 2 is a circuit connection block diagram of the downhole magnetoelectric detonator priming device of the utility model.
In the figure, 1, a VCC power supply, 2, an energy storage capacitor group, 3, a first power switch tube, 4, a driving circuit, 5, a pulse output end, 6, a digital controller and 7, a voltage stabilizing power supply circuit.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a magnetoelectric detonator initiating device in pit, as shown in figure 1 and figure 2, including power supply circuit, the anodal connection control circuit of power supply circuit's output, control circuit include first power switch tube 3, and first power switch tube 3's source electrode and power supply circuit's anodal connection, the pulse output 5 is connected to first power switch tube 3's leakage class, and drive circuit 4 is connected to first power switch tube 3's grid, and drive circuit 4 connects digital controller 6, and digital controller 6 connects power supply circuit.
The power supply circuit comprises a VCC power supply 1, the VCC power supply 1 is powered by a ground instrument, an energy storage capacitor group 2 is further connected between two ends of the VCC power supply 1, and the output end of the energy storage capacitor group 2 is connected with the source electrode of the first power switch tube 3.
The energy storage capacitor group 2 is formed by connecting a plurality of capacitors in parallel.
And a voltage stabilizing power supply circuit 7 is also connected between the two ends of the VCC power supply 1, and the output end of the voltage stabilizing power supply circuit 7 is connected with the digital controller 6.
The regulated power supply circuit 7 stabilizes the output voltage of the VCC power supply 1 at 5V.
The type of the singlechip used by the digital controller 6 is as follows: PIC12F 615-H/SN.
The utility model discloses a magnetoelectric detonator initiating device theory of operation in pit is, VCC power 1 is provided the power by the ground instrument, a magnetoelectric detonator initiating device in pit goes up the electric work after energy storage capacitor group 2 and begins the energy storage that charges, energy storage capacitor group 2 output is connected to first power switch tube 3's source electrode, first power switch tube 3's drain electrode meets pulse output 5, first power switch tube 3's grid provides the signal of switch by drive circuit 4, constant voltage power supply circuit 7 is taked care of voltage, VCC power 1 input that provides the ground instrument is taked care of as digital controller 6 required 5V voltage supply digital controller 6 (the model of singlechip is PIC12F615-H/SN), initialize the inside PWM controller of digital controller 6, set for the frequency and the duty cycle of the pulse wave that the controller produced, the inside PWM controller of digital controller 6 is according to initialization parameter (frequency, Pulse Width Modulation (PWM) pulse width modulation) frequency, Duty ratio) to output 5V voltage pulse wave, so that a driving tube SQ2308 in a driving circuit is in a state of switching on and switching off, when the pulse wave is at a high level, the SQ2308 is switched on, the grid electrode of a first power switch tube 3 is directly switched on, the driving capability of a low level is increased, the first power switch tube 3 is switched on, the energy of an energy storage capacitor group 2 is released after the first power switch tube 3 is switched on, when the pulse wave is at a low level, the SQ2308 is switched off, when no low level is input into the grid electrode of the first power switch tube 3, the grid electrode of the first power switch tube 3 is in a state of switching off.
Claims (5)
1. The utility model provides a magnetoelectric detonator priming device in pit, its characterized in that includes power supply circuit, power supply circuit connects control circuit, control circuit includes first power switch tube (3), the source electrode of first power switch tube (3) with power supply circuit's positive pole is connected, pulse output end (5) are connected to the leakage stage of first power switch tube (3), drive circuit (4) are connected to the grid of first power switch tube (3), drive circuit (4) connect digital controller (6), digital controller (6) are connected power supply circuit.
2. The downhole magnetoelectric detonator priming device according to claim 1, wherein the power circuit comprises a VCC power supply (1), the VCC power supply (1) is powered by a ground instrument, an energy storage capacitor bank (2) is further connected between two ends of the VCC power supply (1), and an output end of the energy storage capacitor bank (2) is connected with a source electrode of the first power switch tube (3).
3. The downhole magnetoelectric detonator priming device according to claim 2, wherein the energy storage capacitor bank (2) is formed by connecting a plurality of capacitors in parallel.
4. The downhole magnetoelectric detonator priming device according to claim 2, wherein a voltage stabilizing power circuit (7) is further connected between the two ends of the VCC power supply (1), and the output end of the voltage stabilizing power circuit (7) is connected with the digital controller (6).
5. The initiating device of the underground magnetoelectric detonator according to claim 4, wherein the voltage stabilizing power supply circuit (7) stabilizes the output voltage of the VCC power supply (1) at 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232030.3U CN209840859U (en) | 2019-02-21 | 2019-02-21 | Underground magnetoelectric detonator priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232030.3U CN209840859U (en) | 2019-02-21 | 2019-02-21 | Underground magnetoelectric detonator priming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209840859U true CN209840859U (en) | 2019-12-24 |
Family
ID=68904254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920232030.3U Expired - Fee Related CN209840859U (en) | 2019-02-21 | 2019-02-21 | Underground magnetoelectric detonator priming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209840859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-02-21 CN CN201920232030.3U patent/CN209840859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |