CN203716944U - Signal detection processing circuit for perforation ignition control circuit - Google Patents
Signal detection processing circuit for perforation ignition control circuit Download PDFInfo
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- CN203716944U CN203716944U CN201320753724.4U CN201320753724U CN203716944U CN 203716944 U CN203716944 U CN 203716944U CN 201320753724 U CN201320753724 U CN 201320753724U CN 203716944 U CN203716944 U CN 203716944U
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Abstract
The utility model discloses a signal detection processing circuit for a perforation ignition control circuit. The signal detection processing circuit comprises an R4, R11, R13, C3 and Q6 to form an amplifying circuit, wherein the signal detection processing circuit outputs through a collector of the Q6; the fifth pin of U1 is connected with the collector of the Q6; the first pin of the U1 is connected with a 5V power supply output by a wide-range input regulated power supply circuit; the eighth pin is connected with a cable core; the seventh pin is connected with one end of R3 and a grid of Q5; the other end of the R3 is connected with the 5V power supply output by the wide-range input regulated power supply circuit; one end of R12 is connected with a 10V power supply output by the wide-range input regulated power supply circuit; the other end of the R12 is connected with a drain of the Q5, the cathode of D11, one end of C6 and the grid of Q4; a source of the Q5 is connected with the cathode of the D11, the other end of C6, the source of the Q4 and the cable core. The signal detection processing circuit achieves dual functions of address inquiry and ignition, so as to ignite an underground ignition control circuit with a specific address.
Description
Technical field
The utility model relates to electric cap IGNITION CONTROL technical field under Clustering control perforated hole, Clustering control perforation is the Perforating Techniques that one can realize low cost, high benefit in unconventional natural gas (shale gas etc.) exploitation, belongs to perforating oil gas well instrument field.
Background technology
In unconventional natural gas extraction, because shale gas reservoir is thin, reservoir is many and discontinuous, while utilizing conventional oil tube transmission perforation and cable transmission perforation, need to repeatedly remove perforating gun, there is the shortcomings such as workload is large, cost is high, and efficiency of construction is low, thereby need one can realize Oil/gas Well developing low-cost, high efficiency Perforating Techniques.Sub-clustering perforating technology arises at the historic moment under this background, this technology utilizes that single-core cable is disposable to be carried branched perforator to go into the well, complete that perforating gun pipe string is disposable goes into the well, repeatedly selective perforating is carried out in perforation layer position to down-hole different depth, guarantees to realize the oil and gas development such as segmenting perforating, pressure break technique object.
Publication number is CN102704898A, and the Chinese patent literature that open day is on October 3rd, 2012 discloses a kind of coding type classification and published perforation instrument.Comprise the perforation unit being formed by perforating gun, detonator, detonator control system, and the multi-stage perforator unit, well logging ground-based system and the communication system that connect by cable, multi-stage perforator unit is pressed after coded sequence stube cable, and centre is connected with well logging ground-based system and communication system by ground control system; Wherein the detonator control system of every perforation unit is to be connected to form by power circuit, pulse receiving circuit, MCU, electronic switch, electronic switch control circuit; Ground control system comprises D/A converter, the MCU being connected with D/A converter; Communication mode between ground control system and detonator control system is pulse signal.This instrument is by the pulse switch control of ground control system and detonator control system, and under the accurate prerequisite of definite down-hole state, notice programmable power supply is sent ignition signal, completes the perforation of this layer of position, and prepares the operation of lower one deck position.
But, the prior art taking above-mentioned patent documentation as representative, there is following defect in it:
1, in actual use, this coding type classification is published perforation instrument and cannot be realized and connect reliably down-hole electric cap, and electric cap is often because the unexpected conducting access point of circuit ignition circuit is ignited, and produces mistake perforation engineering accident.
2, electric cap is ignited after perforating gun, and perforating gun breaks and gushes working fluid, can cause short circuit.
3, in prior art, there is no ripe signal detection treatment circuit, can not realize the dual-use function of address lookup and igniting, therefore cannot realize the object that the down-hole ignition control circuit of particular address is lighted a fire yet.
Utility model content
The utility model is intended to for the existing defect of above-mentioned prior art and deficiency, a kind of signal detection treatment circuit for perforation ignition control circuit is provided, the utility model has been realized the dual-use function of address lookup and igniting, thereby has realized the object that the down-hole ignition control circuit of particular address is lighted a fire.
The utility model is by adopting following technical proposals to realize:
A kind of signal detection treatment circuit for perforation ignition control circuit, it is characterized in that: comprise five resistance: R3, R4, R11, R12 and R13, two electric capacity: C3 and C6, a diode D11, a triode Q6, two FET Q4 and Q5, a single-chip microcomputer U1, its annexation is: R4, R11, R13, C3 and an amplifying circuit of Q6 composition, for command signal is amplified, colelctor electrode by Q6 is exported, 5 pin of U1 are connected with the colelctor electrode of Q6, 1 pin of U1 connects the 5V power supply of described wide region input voltage-stabilized power supply circuit output, 8 pin connect cable core (), 7 pin connect one end of R3 and the grid of Q5, the 5V power supply of wide region input voltage-stabilized power supply circuit output described in another termination of R3, the 10V power supply of wide region input voltage-stabilized power supply circuit output described in a termination of R12, another termination Q5 drain electrode, D11 negative electrode, the grid of C6 one end and Q4, the source electrode of Q5 connects D11 anode, the C6 other end and Q4 source electrode and connect cable core ().
Compared with prior art, the beneficial effect that the utility model reaches is as follows:
Signal detection treatment circuit of the present utility model, ground system between the cable core of single-core cable and cable skin for down-hole ignition control circuit provides command signal, the order that ground system sends is made up of address command and control instruction, signal detection treatment circuit receives after the order of transmitting through cable, first be confirmed whether it is the machine address, to receive control instruction, and carry out gating and cut-off according to command signal to publishing on-off circuit, control electric cap and conducting and the disconnection of the power supply circuits of lighting a fire with this.It is not done to any processing if not the machine address.So just realize the dual-use function of address lookup and igniting, thereby realized the object that the down-hole ignition control circuit of particular address is lighted a fire.
The utility model is applied in the electric cap ignition control circuit of down-hole; place in circuit can realize safely and reliably down-hole electric detonator initiation time; can prevent that electric cap from, due to the unexpected conducting access of circuit detonation chain, also can play the effect of protection ignition and detonation circuit in the time of the extreme case of detonation chain short circuit simultaneously.
Brief description of the drawings
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is the down-hole electric cap ignition control circuit schematic diagram with signal detection treatment circuit;
Mark in figure:
1, wide region input voltage-stabilized power supply circuit, 2, signal detection treatment circuit, 3, publish on-off circuit.
Detailed description of the invention
Embodiment 1
With reference to Figure of description 1, preferred forms of the present utility model is: signal detection treatment circuit 2 described in the utility model is by resistance R 3, R4, R11, R12, R13, capacitor C 3 and C6, diode D11, triode Q6, FET Q4, Q5, single-chip microcomputer U1 composition.R4, R11, R13, C3 and an amplifying circuit of Q6 composition, for command signal is amplified, colelctor electrode by Q6 is exported, and 5 pin of U1 are connected with the colelctor electrode of Q6, and 1 pin of U1 connects 5V power supply, 8 pin connect cable core (), 7 pin connect one end of R3 and the grid of Q5, another termination 5V power supply of R3, a termination 10V power supply of R12, the grid of another termination Q5 drain electrode, D11 negative electrode, C6 one end and Q4, the source electrode of Q5 connect D11 anode, the C6 other end and Q4 source electrode and connect cable core ().
Embodiment 2
The utility model is applied in the electric cap ignition control circuit of down-hole, and this circuit comprises wide region input voltage-stabilized power supply circuit 1, signal detection treatment circuit 2 and publishes on-off circuit 3;
Wide region input voltage-stabilized power supply circuit 1, for inputting 20V～40V direct current by single-core cable to down-hole ignition control circuit when ground system, input after voltage-stabilized power supply circuit 1 voltage stabilizing by wide region, output 10V and 5V direct current, be signal detection treatment circuit 2 and ignition switch circuit supply; Ensure that it normally works;
Signal detection treatment circuit 2 receives the IGNITION CONTROL order from ground system, and publishes conducting and the disconnection of on-off circuit 3 according to instruction control, and controls detonating of electric cap;
Publish on-off circuit 3 for being connected with electric cap.
Described wide region input voltage-stabilized power supply circuit 1 comprises five diode: D1, D2, D5, D6 and D7; Two resistance: R1 and R2; Four electric capacity: C1, C8, C9 and C10; Two cmos fet pipe: Q1 and Q10, its annexation is: D2 anode connects cable skin, and negative electrode connects R1 one end, R1 another termination R2 one end, the R2 other end connects respectively Q1 grid, C1 one end and D6 negative electrode, another termination cable core of C1 (), D6 anode connects Q10 grid and D1 negative electrode, and D1 anode connects D5 anode, D5 negative electrode connect cable core (), Q10 drain electrode connects R1 one end and C1 one end, another termination of C1 D7 negative electrode, D7 anode connect cable core (); Q1 source electrode connects Q10 drain electrode, and Q10 source electrode connects C8 one end, another termination cable core of C8 ().
Described signal detection treatment circuit 2 comprises five resistance: R3, R4, R11, R12 and R13, two electric capacity: C3 and C6, a diode D11, a triode Q6, two FET Q4 and Q5, a single-chip microcomputer U1, its annexation is: R4, R11, R13, C3 and an amplifying circuit of Q6 composition, for command signal is amplified, colelctor electrode by Q6 is exported, 5 pin of U1 are connected with the colelctor electrode of Q6, 1 pin of U1 connects the 5V power supply that described wide region input voltage-stabilized power supply circuit 1 is exported, 8 pin connect cable core (), 7 pin connect one end of R3 and the grid of Q5, the 5V power supply that described in another termination of R3, wide region input voltage-stabilized power supply circuit 1 is exported, the 10V power supply that described in a termination of R12, wide region input voltage-stabilized power supply circuit 1 is exported, another termination Q5 drain electrode, D11 negative electrode, the grid of C6 one end and Q4, the source electrode of Q5 connects D11 anode, the C6 other end and Q4 source electrode and connect cable core ().
The described on-off circuit 3 of publishing comprises: three resistance: R6, R8 and R10, and two capacitor C 5 and C7, a Zener diode D3, three CMOS pipes Q2, Q3, Q8, its annexation is: Q3 grid connects the PWM control end of signal detection treatment circuit 2; R10 mono-termination Q3 grid, another termination Q3 source electrode ground connection; The 10V power supply that described in R8 mono-termination, wide region input voltage-stabilized power supply circuit 1 is exported, another termination Q3 drain electrode; C5 mono-termination Q3 drain electrode, another termination Q8 grid, D3 negative electrode connects Q8 grid, and anode connects Q2 drain electrode; C7 mono-termination Q8 grid, another termination Q8 source electrode; The drain electrode of Q8 connects one end of electric cap; The high level control end of R6 mono-termination signal processing control circuit, the grid of another termination Q2, the drain electrode of Q2 connects the source electrode of Q8, the source ground of Q2.
Claims (1)
1. the signal detection treatment circuit for perforation ignition control circuit, it is characterized in that: comprise five resistance: R3, R4, R11, R12 and R13, two electric capacity: C3 and C6, a diode D11, a triode Q6, two FET Q4 and Q5 and a single-chip microcomputer U1, its annexation is: R4, R11, R13, C3 and an amplifying circuit of Q6 composition, for command signal is amplified, colelctor electrode by Q6 is exported, 5 pin of U1 are connected with the colelctor electrode of Q6, 1 pin of U1 connects the 5V power supply of wide region input voltage-stabilized power supply circuit (1) output, 8 pin connect cable core, 7 pin connect one end of R3 and the grid of Q5, the 5V power supply of another termination wide region input voltage-stabilized power supply circuit (1) output of R3, the 10V power supply of termination wide region input voltage-stabilized power supply circuit (1) output of R12, another termination Q5 drain electrode, D11 negative electrode, the grid of C6 one end and Q4, the source electrode of Q5 connects D11 anode, the C6 other end and Q4 source electrode also connect cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753724.4U CN203716944U (en) | 2013-11-26 | 2013-11-26 | Signal detection processing circuit for perforation ignition control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753724.4U CN203716944U (en) | 2013-11-26 | 2013-11-26 | Signal detection processing circuit for perforation ignition control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716944U true CN203716944U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320753724.4U Withdrawn - After Issue CN203716944U (en) | 2013-11-26 | 2013-11-26 | Signal detection processing circuit for perforation ignition control circuit |
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| CN (1) | CN203716944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590793A (en) * | 2013-11-26 | 2014-02-19 | 中国石油集团川庆钻探工程有限公司 | Signal detection processing circuit for perforation ignition control circuit |
| CN104196528A (en) * | 2014-08-26 | 2014-12-10 | 北京市华建机械制造有限公司 | Side wall coring gun control device |
| CN112922568A (en) * | 2021-01-18 | 2021-06-08 | 中石化石油工程技术服务有限公司 | Portable perforation ignition system |
-
2013
- 2013-11-26 CN CN201320753724.4U patent/CN203716944U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590793A (en) * | 2013-11-26 | 2014-02-19 | 中国石油集团川庆钻探工程有限公司 | Signal detection processing circuit for perforation ignition control circuit |
| CN103590793B (en) * | 2013-11-26 | 2016-03-16 | 中国石油集团川庆钻探工程有限公司 | For the signal detection treatment circuit of perforation ignition control circuit |
| CN104196528A (en) * | 2014-08-26 | 2014-12-10 | 北京市华建机械制造有限公司 | Side wall coring gun control device |
| CN112922568A (en) * | 2021-01-18 | 2021-06-08 | 中石化石油工程技术服务有限公司 | Portable perforation ignition system |
| CN112922568B (en) * | 2021-01-18 | 2023-04-07 | 中石化石油工程技术服务有限公司 | Portable perforation ignition system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |