CN104595925A - Air gun source ignition device - Google Patents

Air gun source ignition device Download PDF

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Publication number
CN104595925A
CN104595925A CN201510058849.9A CN201510058849A CN104595925A CN 104595925 A CN104595925 A CN 104595925A CN 201510058849 A CN201510058849 A CN 201510058849A CN 104595925 A CN104595925 A CN 104595925A
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CN
China
Prior art keywords
module
ignition
power supply
input
air gun
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.)
Pending
Application number
CN201510058849.9A
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Chinese (zh)
Inventor
邱永成
朱耀强
郭轶
张勇
符群华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Original Assignee
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Oilfield Services Ltd, China National Offshore Oil Corp CNOOC filed Critical China Oilfield Services Ltd
Priority to CN201510058849.9A priority Critical patent/CN104595925A/en
Publication of CN104595925A publication Critical patent/CN104595925A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an air gun source ignition device. The air gun source ignition device comprises a sealed waterproof box body, wherein an ignition module 3, an ignition control module 4, an input selection module 1 and a voltage increasing module 2 are arranged in the box body, wherein the ignition module 3 is used for outputting pulses to an air gun source for ignition; the n ignition control module 4 is used for controlling the width and amplitude of the pulses output by the ignition module 3 to the air gun source; an input end of the input selection module 1 is connected with a power supply outside the box body and an output end of the input selection module 1 outputs working power supply; an input end of the voltage increasing module 2 is connected with a first output end of the input selection module, and an output end of the voltage increasing module 2 is connected with the ignition module 3 and the ignition control module 4 and is used for providing power supply for the ignition module 3 and the ignition control module 4 after increasing the voltage of the working power supply. The air gun source ignition device has the advantages that the ignition pulse width is controllable; the device is simple, small, ingenious and flexible and can be disposed adjacent to the air gun source, the length of a connecting cable can be shortened and the current leakage fault of an ignition line is reduced.

Description

A kind of air gun source igniter
Technical field
The present invention relates to field of geophysical exploration, especially a kind of air gun source igniter.
Background technology
Air gun source is the indispensable important component part of offshore seismic exploration equipment, utilizes air gun source to detect deep-level rockburst, is most importantly that obtaining accurate air gun excites.Increasingly mature along with air gun excitation technique, air gun excites in the oil exploration being widely used in the regions such as lake, river, intermediate zone, shallow sea, deep-sea.Air gun has that structure is simple, easy to maintenance, the life-span is long, reliability is high, synchronism is good and the operating feature of high-environmental.
Typical air gun source igniter is lighted a fire to all air gun sources under water by the igniting casing of indoor, thus require high to the accumulator of casing, and the cable connecting air gun source is long, many easily the causing of joint is leaked electricity into water, thus affect air gun excitating performance.
Summary of the invention
In order to solve the problem, the invention provides a kind of air gun source igniter, comprising the casing of a water-tight, being provided with in described casing:
Ignition module 3, for exporting pulse to air gun source, lights a fire;
Ignition control module 4, to export width and the amplitude of pulse to described air gun source for controlling described ignition module 3;
Input selection module 1, its input is used for the power supply of connect box outside, output output power supply;
Boost module 2, its input is connected with the first output of described input selection module 1, its output is connected with ignition control module 4 with described ignition module 1, for by after the boost in voltage of described working power, for described ignition module 1 and ignition control module 4 provide power supply.
Alternatively, the multiple power supplies of the input connect box outside of described input selection module 1, described input selection module 1 selects a road power supply to export from described first output as working power from the multiple power supplies of input, and when selecting the road power failure exported, can automatically select another road power supply to export.
Alternatively, described input selection module 1 also has the adaptive circuit to input power both positive and negative polarity.
Alternatively, the first voltage changer 6 and 5 volts of DC voltage source modules 7 are also provided with in described casing; Described first voltage changer 6 is connected with the second output of described input selection module 1, for the power supply of input is carried out rectification, is transformed to direct current 5 volts of voltages; Described 5 volts of DC power suppliers 7, for other power elements outside described device.
Alternatively, the second voltage changer 8 and 24 volts of DC voltage source modules 9 are also provided with in described casing; Described second voltage changer 8 is connected with the 3rd output of described input selection module 1, for the power supply of input is carried out rectification, is transformed to direct current 24 volts of voltages; 24 volts of DC voltage source modules 9, for the sensor power outside device.
Alternatively, in described casing, be also provided with output control module 5, be connected with the 4th output of described input selection module 1, for providing power supply to adjacent igniter, and select supply line.
Alternatively, described casing is made up of the material of anti-seawater corrosion.
Accompanying drawing explanation
Fig. 1 is air gun source igniter functional block diagram;
Fig. 2 is power supply input selection module interface schematic diagram;
Fig. 3 is power supply output control module interface diagram;
Fig. 4 is adjacent igniter connection diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
It should be noted that, if do not conflicted, each feature in the embodiment of the present invention and embodiment can be combined with each other, all within protection scope of the present invention.In addition, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
A kind of air gun source igniter, comprises the casing of a water-tight, is provided with in described casing:
Ignition module 3, for exporting pulse to air gun source, lights a fire;
Ignition control module 4, to export width and the amplitude of pulse to described air gun source for controlling described ignition module 3;
Input selection module 1, its input is used for the power supply of connect box outside, output output power supply;
Boost module 2, its input is connected with the first output of described input selection module 1, its output is connected with ignition control module 4 with described ignition module 3, for by after the boost in voltage of described working power, for described ignition module 3 and ignition control module 4 provide power supply.
This device can produce different width or the pulse voltage of amplitude, can light a fire to different air gun sources; Support the igniting of Sleeve, Bolt and G rifle, ignition pulse width is controlled; Device is simple, flexibly small and exquisite, can be placed near air gun source, shortens the length of connection cable, thus reduces ignition lead leak current fault; Also can be placed in indoor to light a fire to air gun source.
As shown in Figure 1:
First output of input selection module 1 connects boost module 2;
Second output of input selection module 1 connects the first voltage changer 6;
3rd output of input selection module 1 connects the second voltage changer 8;
4th output of input selection module 1 connects output control module 5;
Or input selection module 1 also can arrange an output, is divided into four tunnels,
The first via exports to boost module 2;
The first voltage changer 6 is exported on second tunnel;
The second voltage changer 8 is exported on 3rd tunnel;
Output control module 5 is exported on 4th tunnel;
Above-mentioned " first, second, third, fourth ", just in order to represent differentiation, does not represent sequencing.
Concrete type of attachment can be arranged flexibly, and the application does not limit.
Arrange boost module, reason has three: 1. input voltage DC48V, and be common voltage, choosing of DC power supply is more convenient, and ignition voltage has several 60V/90V etc., if directly select 60V/90V to power, power supply needs customization; 2., owing to there being several ignition voltage, if select ceiling voltage to power, other ignition voltage carries out step-down with regard to needs to input, can reduce service efficiency; 3. ignition voltage is pulse voltage, if firing circuit breaks down, input voltage can directly be added to above magnetic valve load, and magnetic valve normally works as pulse voltage, if load continuous high voltage to it easily damage magnetic valve, therefore can not damage magnetic valve to ensure when firing circuit is out of order, so select low voltage power supply, igniting realizes by boosting.
Composition graphs 2:
Alternatively, the multiple power supplies of the input connect box outside of described input selection module 1, described input selection module 1 selects a road power supply to export from described first output as working power from the multiple power supplies of input, and when selecting the road power failure exported, can automatically select another road power supply to export.Described input selection module 1, for judging the both positive and negative polarity of power supply of input and power circuit, the first input end of described input selection module 1 connects the positive pole of the input of the first power supply, second input connects the negative pole of the first power supply, 3rd input connects the positive pole of second source, and four-input terminal connects the negative pole of second source.
Described input selection module 1 also has the adaptive circuit to input power both positive and negative polarity.
Described input selection module 1 is for judging that coupled circuit is the first power supply or second source, described input selection module 1 is also for judging that coupled circuit is positive pole or the negative pole of power supply, and described input selection module is used for the automatic switchover of two-way input power.
Input selection module 1 can realize dual input power supply and automatically switch; Input power both positive and negative polarity self adaptation;
Input selection module 1 mainly judges the both positive and negative polarity of input power and circuit; Input power has two groups, one group is normal power supply circuit, other one group is extension wire, extension wire is enabled when regular link breaks down, input selection module 1 can detect two groups of circuits automatically, as long as wherein any one group of circuit has input just can normally work, thus can automatically switch to two groups of inputs; In addition, input selection module 1 also possesses the both positive and negative polarity adaptive circuit of incoming line, for realizing the adaptation function of the both positive and negative polarity of incoming line, the both positive and negative polarity when incoming line 1 or incoming line 2 is made to connect inverse time, module also can normally work, therefore in onsite application process, power supply input can wiring and that air gun source igniter can not be caused to occur is abnormal arbitrarily, thus can reduce the work difficulty at scene.
Alternatively, the first voltage changer 6 and 5 volts of DC voltage source modules 7 are also provided with in described casing; Described first voltage changer 6 is connected with the second output of described input selection module 1, for the power supply of input is carried out rectification, is transformed to direct current 5 volts of voltages; Described 5 volts of DC power suppliers 7, for other power elements outside described device.
Alternatively, the second voltage changer 8 and 24 volts of DC voltage source modules 9 are also provided with in described casing; Described second voltage changer 8 is connected with the 3rd output of described input selection module 1, for the power supply of input is carried out rectification, is transformed to direct current 24 volts of voltages; Described 24 volts of DC voltage source modules 9, for the sensor power outside device.
After the voltage inputted carries out rectifying conversion and voltage stabilizing, obtain DC5V power supply, DC24V power supply;
24 volts of DC voltage source modules 9, for providing power supply to the sensor outside described device, detect power supply state simultaneously.
5 volts of DC power suppliers 7, for powering to other device, detect power supply state simultaneously.In casing, also output control module is set.
Alternatively, in described casing, be also provided with output control module 5, be connected with the 4th output of described input selection module, for providing power supply to adjacent igniter, and select supply line.
Composition graphs 3 and Fig. 4
Output control module 5 completes the control to outlet line, and as shown in Figure 3, outlet line has two groups, selects supply line 1 or supply line 2 to export by output control module;
Output control module also detects the two groups of circuits exported, and gives tacit consent to and is exported by outlet line 1, if circuit 1 occurs abnormal, automatic outlet line is switched to circuit 2, if exception also appears in circuit 2, closes output.
Although in Fig. 4, represent circuit 1 with a line, another line represents circuit 2,
But in the project blue print of electrical design, a supply line, the circuit 1 in such as Fig. 4, although represent with a line, does not represent only with a cable, and it can represent many with service cable,
In composition graphs 3, a supply line includes again two lines particularly, and a line connects positive pole, and a line connects negative pole, is called outlet line 1+, outlet line 1-,
Supply line 2, comprises outlet line 2+, outlet line 2-.
Fig. 4 is the annexation schematic diagram of two adjacent air gun source igniters;
As shown in the figure, air gun source igniter 1 and air gun source igniter 2 are connected,
Air gun source igniter 1 is substantially identical with the internal structure of air gun source igniter 2,
All comprise input selection module, output control module, boost module, ignition module, ignition control module, the first voltage changer, the second voltage changer, direct current 5V module, direct current 24 volts of modules.
The input of output control module 5 in igniter 1 to adjacent next stage igniter 2 controls, select line 1 or circuit 2, the road if circuit 1 is served as theme, then circuit 2 is extension wire, and carries out abnormality detection to circuit,
If main line is abnormal, automatically switch to extension wire, if extension wire is also abnormal, automatically close output.
Ignition module 3 mainly completes lights a fire to three kinds of air gun sources (Sleeve, Bolt and G rifle), comprises capacitor charging circuit and capacitor discharging circuit, detects the voltage and current of igniting simultaneously.
Alternatively, described casing is made up of the material of anti-seawater corrosion.
Described box sizes is determined according to service condition, if device is placed near air gun source, then uses water proof type casing, is generally cylindrical; If be placed in indoor, be then generally the normal width rectangular box of rack, without waterproof.
Casing also can be spherical, or cylindrical, or is other irregular solids, and the application does not limit.
Casing should be hermetic water-proof structure, arranges various module, electronic devices and components in casing, should seal, and prevents seawater from entering,
At least arrange an entrance hole, be connected from casing external power source, from external electricity, outside dc source is connected with the power module in casing through entrance hole by cable;
One wire hole is at least set, the output of the ignition module in casing, is connected with the pulse input end of the magnetic valve on the outside air gun of casing,
Certainly, entrance hole and wire hole also can be same hole.
This device is flexibly small and exquisite, and under can being placed in seawater, casing can be made by metal or rubber, and the material preventing seawater corrosion can be taked to make.Such as plastics, or adopt alloy material 10CrMOA, copper-nickel alloy etc.
The ignition voltage that ignition control module mainly completes boost module produces controls, and controls simultaneously, make it produce the ignition voltage of different magnitude of voltage, different pulse width to ignition module.
The invention provides a kind of air gun source igniter, it can produce different pulse voltages, can light a fire to different air gun sources.Apparatus of the present invention are simple, flexibly small and exquisite, can be placed near air gun source, shorten the length of connection cable, thus reduce ignition lead leak current fault, also can be placed in indoor and light a fire to air gun source; Can automatic decision to dual input power supply, reduce execute-in-place difficulty.Air gun source igniter of the present invention has following principal character:
(1) volume is little, can be placed near air gun source;
(2) dual input power supply automatically switches;
(3) input power both positive and negative polarity self adaptation;
(4) select to export supply line according to control signal and line status;
(5) support the igniting of Sleeve, Bolt and G rifle, ignition pulse width is controlled;
(6) DC24V is produced to sensor power;
(7) DC ± 5V is produced to other module for power supply;
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only storage, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to claim of the present invention.

Claims (7)

1. an air gun source igniter, is characterized in that, comprises the casing of a water-tight, is provided with in described casing:
Ignition module, for exporting pulse to air gun source, lights a fire;
Ignition control module, to export width and the amplitude of pulse to described air gun source for controlling described ignition module;
Input selection module, the power supply of its input connect box outside, output output power supply;
Boost module, its input is connected with the first output of described input selection module, its output is connected with ignition control module with described ignition module, for by after the boost in voltage of described working power, for described ignition module and ignition control module provide power supply.
2. device as claimed in claim 1, it is characterized in that, the multiple power supplies of the input connect box outside of described input selection module, described input selection module selects a road power supply to export from described first output as working power from the multiple power supplies of input, and when selecting the road power failure exported, can automatically select another road power supply to export.
3. device as claimed in claim 1, it is characterized in that, described input selection module also has the adaptive circuit to input power both positive and negative polarity.
4. device as claimed in claim 1, is characterized in that, be also provided with the first voltage changer and 5 volts of DC voltage source modules in described casing; Described first voltage changer is connected with the second output of described input selection module, for the power supply of input is carried out rectification, is transformed to direct current 5 volts of voltages; Described 5 volts of DC power suppliers, for other power elements outside described device.
5. device as claimed in claim 1, is characterized in that, be also provided with the second voltage changer and 24 volts of DC voltage source modules in described casing; Described second voltage changer is connected with the 3rd output of described input selection module, for the power supply of input is carried out rectification, is transformed to direct current 24 volts of voltages; Described 24 volts of DC voltage source modules, for the sensor power outside device.
6. device as claimed in claim 1, is characterized in that, be also provided with output control module in described casing, being connected, for providing power supply to adjacent igniter, and selecting supply line with the 4th output of described input selection module.
7. device as claimed in claim 1, it is characterized in that, described casing is made up of the material of anti-seawater corrosion.
CN201510058849.9A 2015-02-04 2015-02-04 Air gun source ignition device Pending CN104595925A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510058849.9A CN104595925A (en) 2015-02-04 2015-02-04 Air gun source ignition device

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Application Number Priority Date Filing Date Title
CN201510058849.9A CN104595925A (en) 2015-02-04 2015-02-04 Air gun source ignition device

Publications (1)

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CN104595925A true CN104595925A (en) 2015-05-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534006A (en) * 2018-07-25 2019-12-03 中国科学院沈阳自动化研究所 A kind of fire-fighting simulated training system for harmful influence tank car
CN111290012A (en) * 2020-02-25 2020-06-16 四川美创达电子科技有限公司 Ignition control system for seismic source bomb
CN112034506A (en) * 2019-06-04 2020-12-04 中国石油天然气集团有限公司 Carbon dioxide vibration source controller
CN112034506B (en) * 2019-06-04 2024-04-30 中国石油天然气集团有限公司 Carbon dioxide focus controller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1083224A (en) * 1992-08-27 1994-03-02 廖毅 Gas explosion seismic source and system
CN1123882A (en) * 1994-11-29 1996-06-05 贾久瑞 Pulse-wide frequency modulation electronic igniter
CN2240625Y (en) * 1995-11-02 1996-11-20 刘慧芳 High energy ignitor
CN1541439A (en) * 2001-10-31 2004-10-27 ƶ��׿� dual input Ac and DC power supply having programmable DC output utilizing secondary buck converter
CN101201037A (en) * 2007-12-19 2008-06-18 江南大学 Motorcycle DC speed-governing igniter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1083224A (en) * 1992-08-27 1994-03-02 廖毅 Gas explosion seismic source and system
CN1123882A (en) * 1994-11-29 1996-06-05 贾久瑞 Pulse-wide frequency modulation electronic igniter
CN2240625Y (en) * 1995-11-02 1996-11-20 刘慧芳 High energy ignitor
CN1541439A (en) * 2001-10-31 2004-10-27 ƶ��׿� dual input Ac and DC power supply having programmable DC output utilizing secondary buck converter
CN101201037A (en) * 2007-12-19 2008-06-18 江南大学 Motorcycle DC speed-governing igniter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110534006A (en) * 2018-07-25 2019-12-03 中国科学院沈阳自动化研究所 A kind of fire-fighting simulated training system for harmful influence tank car
CN112034506A (en) * 2019-06-04 2020-12-04 中国石油天然气集团有限公司 Carbon dioxide vibration source controller
CN112034506B (en) * 2019-06-04 2024-04-30 中国石油天然气集团有限公司 Carbon dioxide focus controller
CN111290012A (en) * 2020-02-25 2020-06-16 四川美创达电子科技有限公司 Ignition control system for seismic source bomb

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Application publication date: 20150506