CN102979514B - A kind of pressure-bearing electronics storehouse for acoustic logging instrument - Google Patents
A kind of pressure-bearing electronics storehouse for acoustic logging instrument Download PDFInfo
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- CN102979514B CN102979514B CN201210479064.5A CN201210479064A CN102979514B CN 102979514 B CN102979514 B CN 102979514B CN 201210479064 A CN201210479064 A CN 201210479064A CN 102979514 B CN102979514 B CN 102979514B
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Abstract
The invention discloses a kind of pressure-bearing electronics storehouse for acoustic logging instrument, comprise pressure-bearing cylinder (20), the tubular that pressure-bearing cylinder (20) is both ends open, the two ends of pressure-bearing cylinder (20) are sealedly connected with bearing disc (10) respectively, circuit board is provided with between interior two bearing discs (10) of pressure-bearing cylinder (20), multiple metal needle (21) and bearing disc (10) are tightly connected, one end being connected with the circuit board inside bearing disc axially across bearing disc (10) along pressure-bearing cylinder (20) of metal needle (21), the other end of metal needle (21) is arranged on the outside of bearing disc (10), at pressure-bearing cylinder (20) outward, circumference along pressure-bearing cylinder (20) is provided with at least one transducer, transducer is connected with circuit board by metal needle.This pressure-bearing electronics chamber structure is small and exquisite, easy to operate, and being not only conducive to pressure-bearing electronics storehouse quick and precisely docks with electronics storehouse socket but also be conducive to realizing the transmission of control signal and the collection of well logging information nearby.
Description
Technical field
The present invention relates to search equipment field, down-hole, particularly a kind of pressure-bearing electronics storehouse for acoustic logging instrument.
Background technology
Acoustic logging instrument is a kind of conventional down-hole search equipment, at present, the structure that the electronic components such as transducer are connected with the pressure-bearing cylinder of containment circuit board is generally adopted in acoustic logging instrument, as Chinese patent CN201763327U, March 16 2011 publication date, disclose one " Sonic Digital Tool ", this Sonic Digital Tool comprises housing and arranging the multiple data processing modules in housing, housing two ends are also in series with multiple electronic component and the two ends of housing can realize sealing by being connected with electronic components such as transducers.But the structure that housing is connected with transducer can cause acoustic logging instrument volume excessive, measure inconvenient operation, be more unfavorable for the sample and transform of well logging information.
Summary of the invention
In order to solve the technical problem of the excessive inconvenient operation of acoustic logging instrument volume in prior art, the invention provides a kind of pressure-bearing electronics storehouse for acoustic logging instrument, because the circumference of transducer at pressure-bearing tube outer surface is arranged, so this pressure-bearing electronics chamber structure is small and exquisite, easy to operate, the volume of acoustic logging instrument can be reduced, be conducive to realizing the transmission of control signal and the collection of well logging information nearby.
The present invention is the technical scheme solving the employing of its technical problem: a kind of pressure-bearing electronics storehouse for acoustic logging instrument, comprise pressure-bearing cylinder, pressure-bearing cylinder is the tubular of both ends open, the two ends of pressure-bearing cylinder are sealedly connected with bearing disc respectively, circuit board is provided with between two bearing discs in pressure-bearing cylinder, multiple metal needle and bearing disc are tightly connected, one end being connected with the circuit board inside bearing disc axially across bearing disc along pressure-bearing cylinder of metal needle, the other end of metal needle is arranged on the outside of bearing disc, outside pressure-bearing cylinder, circumference along pressure-bearing cylinder is provided with at least one transducer, transducer is connected with circuit board by metal needle.
Because the circumference of transducer at pressure-bearing tube outer surface is arranged, achieve acoustic wave transducer and the circuit board radial overlapping arrangement at pressure-bearing cylinder, so make this pressure-bearing electronics chamber structure small and exquisite, easy to operate, the volume of acoustic logging instrument can be reduced, be conducive to realizing the transmission of control signal and the collection of well logging information nearby.In order to ensure axial pressure-bearing and the seal request in pressure-bearing electronics storehouse, not only the two ends of pressure-bearing cylinder are provided with bearing disc, and the metal needle arranged in bearing disc can facilitate the connection of transducer and circuit board but also can so that pressure-bearing electronics storehouse is quick and precisely docked with electronics storehouse socket.
Preferred bearing disc is one end cylindrical shape with the end, and bearing disc comprises tries to get to the heart of a matter and sidewall, and the one end of trying to get to the heart of a matter is towards circuit board, and sidewall is connected with described one end of trying to get to the heart of a matter.
One end of preferred sidewall is connected with trying to get to the heart of a matter, and the other end of sidewall is provided with projection, and the inwall of pressure-bearing cylinder is provided with the groove matched with projection.
Be provided with tapped through hole at the bottom of preferred tray, the axis of tapped through hole and the dead in line of bearing disc, be provided with sealing-plug in tapped through hole.
The one end of trying to get to the heart of a matter is preferably provided with at least one blind hole thread for fixing circuit board.
Preferable alloy pin is tried to get to the heart of a matter through bearing disc.
Three tapped blind holes are provided with at the bottom of preferred tray.
Be circumferentially with at least one annular groove at the bottom of preferred tray, in annular groove, be provided with sealing ring.
The inwall circumference of preferred pressure-bearing cylinder is provided with draw-in groove, and draw-in groove is connected with hole jump ring, and the other end of trying to get to the heart of a matter abuts with hole jump ring.
Preferably along the axis of pressure-bearing cylinder, the outer wall of pressure-bearing cylinder is provided with the groove of a pair symmetry.
The invention has the beneficial effects as follows: this pressure-bearing electronics chamber structure is small and exquisite, easy to operate, can reduce the volume of acoustic logging instrument, being not only conducive to pressure-bearing electronics storehouse quick and precisely docks with electronics storehouse socket but also is conducive to realizing the transmission of control signal and the collection of well logging information nearby.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the pressure-bearing electronics storehouse for acoustic logging instrument of the present invention is described in further detail.
Fig. 1 is the schematic perspective view in the pressure-bearing electronics storehouse for acoustic logging instrument of the present invention.
Fig. 2 is the sectional structure schematic diagram in the pressure-bearing electronics storehouse for acoustic logging instrument of the present invention.
Fig. 3 is the isometric front view of bearing disc.
Fig. 4 is the rear isometric view of bearing disc.
Fig. 5 is the front view of bearing disc.
Fig. 6 is the left view of bearing disc.
Fig. 7 is the general structure schematic diagram in the pressure-bearing electronics storehouse for acoustic logging instrument of the present invention.
Wherein 10. bearing discs, 11. projections, 12. annular grooves, 13. through holes, 14. tapped through holes, 15. screw threads are blind lonely, and 16. try to get to the heart of a matter, 17. sidewalls, 18. sealing rings, 20. pressure-bearing cylinders, 21. metal needles, 23. hole jump rings, 24. grooves, 30. transducers, 31. wires.
Detailed description of the invention
Below in conjunction with accompanying drawing, the pressure-bearing electronics storehouse for acoustic logging instrument of the present invention is described in detail.A kind of pressure-bearing electronics storehouse for acoustic logging instrument, comprise pressure-bearing cylinder 20, pressure-bearing cylinder 20 is the tubular of both ends open, the two ends of pressure-bearing cylinder 20 are sealedly connected with bearing disc 10 respectively, circuit board is provided with between interior two bearing discs 10 of pressure-bearing cylinder 20, multiple metal needle 21 is tightly connected with bearing disc 10, one end being connected with the circuit board inside bearing disc axially across bearing disc 10 along pressure-bearing cylinder 20 of metal needle 21, the other end of metal needle 21 is arranged on the outside of bearing disc 10, outside pressure-bearing cylinder 20, circumference along pressure-bearing cylinder 20 is provided with at least one transducer 30, transducer is connected with circuit board with metal needle 21 by wire 31, as Fig. 1, Fig. 2, shown in Fig. 7.
Pressure-bearing electronics storehouse comprises pressure-bearing cylinder 20, pressure-bearing cylinder 20 is the cylindrical shape of both ends open, because the circumference of transducer at pressure-bearing cylinder 20 external surface is arranged, achieve acoustic wave transducer and the circuit board radial overlapping arrangement at pressure-bearing cylinder, so make this pressure-bearing electronics chamber structure small and exquisite, easy to operate, the volume of acoustic logging instrument can be reduced, be conducive to realizing the transmission of control signal and the collection of well logging information nearby.In order to ensure axial pressure-bearing and the seal request in pressure-bearing electronics storehouse, the two ends of pressure-bearing cylinder are provided with bearing disc 10, metal needle 21 is asymmetric setting in bearing disc 10, when insertion position not pair time, pressure-bearing electronics storehouse 21 can not be docked with electronics storehouse socket, so this asymmetry is arranged can so that pressure-bearing electronics storehouse be quick and precisely docked with electronics storehouse socket.
Bearing disc 10 is made for metal material, and bearing disc 10 is one end cylindrical shape with the end, and bearing disc 10 comprises try to get to the heart of a matter 16 and sidewall 17, try to get to the heart of a matter 16 one end towards circuit board, sidewall 17 is connected with described one end of trying to get to the heart of a matter.Such design not only can to have ensured that bearing disc can obtain good sealing effectiveness, as Fig. 3, Fig. 4 at the bearing capacity of axis.
One end of sidewall 17 16 to be connected with trying to get to the heart of a matter, and the other end of sidewall 17 is provided with projection 11, and the inwall of pressure-bearing cylinder 20 is provided with the groove matched with projection 11.After bearing disc is installed to the two ends in pressure-bearing electronics storehouse, projection 11 is inserted groove and the circumference of bearing disc can be avoided to rotate, guarantee sealing effectiveness further, projection 11 can be multiple solid geometry shape, projection 11 can be arranged on the other end of sidewall 17, or is arranged on the other end outer ledge of sidewall 17.Preferred projection 11 is straight quadrangular shape, the incline of projection 11 perpendicular to bearing disc 10 try to get to the heart of a matter 16 surface.
Try to get to the heart of a matter and 16 be provided with tapped through hole 14, the axis of tapped through hole 14 and the dead in line of bearing disc 10, be provided with sealing-plug in tapped through hole 14, and preferred sealing-plug is screw.Tapped through hole 14 is when unloading screw, and tapped through hole 14 can be communicated with inside and outside pressure-bearing electronics storehouse, makes the pressure balance inside and outside pressure-bearing electronics storehouse, is convenient to the installing/dismounting of bearing disc 10; During as needs installation bearing disc 10, screw is not had in tapped through hole 14, use the threaded T-shaped handle of head to screw in one end that bearing disc 10 is pressed into pressure-bearing cylinder 20 by tapped through hole 14, then rotate T-shaped handle and make it to be separated with tapped through hole 14, and then screw is fit into tapped through hole 14; As needs unload bearing disc 10 time, first screw is unloaded from tapped through hole 14, use T-shaped handle screw in tapped through hole 14 bearing disc 10 one end from pressure-bearing cylinder 20 is extracted.So design not only can facilitate the installation and removal of bearing disc 10 like this, and make the good sealing effect between bearing disc and pressure-bearing cylinder, see Fig. 5.
Described one end of trying to get to the heart of a matter is provided with at least one blind hole thread 15 for fixing circuit board.Circuit board is connected with bearing disc 10 by blind hole thread 15, and namely tapped blind hole 15 is for being fixedly connected with bearing disc 10 with the circuit board made in pressure-bearing electronics storehouse, circuit board is fixed in pressure-bearing electronics storehouse, is provided with 3 tapped blind holes 15 at the bottom of preferred tray.
Try to get to the heart of a matter 16 through holes 13 being provided with multiple asymmetry, metal needle 21 tries to get to the heart of a matter 16 from through hole 13 through bearing disc 10, and metal needle 21 is perpendicular to trying to get to the heart of a matter 16, and metal needle 21 16 to be tightly connected with trying to get to the heart of a matter.The metal needle arranged in bearing disc can facilitate the connection of transducer and circuit board, because through hole 13 is arranged in asymmetry in 16 of trying to get to the heart of a matter, so metal needle 21 also asymmetric setting in bearing disc 10, when insertion position not pair time, pressure-bearing electronics storehouse 21 can not be docked with electronics storehouse socket, can so that pressure-bearing electronics storehouse is quick and precisely docked with electronics storehouse socket.
Try to get to the heart of a matter 16 be circumferentially with at least one annular groove 12, be provided with sealing ring 18 in annular groove 12.So not only can to ensure that bearing disc can obtain good sealing effectiveness at the bearing capacity of axis.In order to obtain good sealing effectiveness, try to get to the heart of a matter 16 be circumferentially with bipassage ring connected in star 12, see Fig. 6.
The inwall circumference of pressure-bearing cylinder 20 is provided with draw-in groove, and draw-in groove is connected with hole jump ring 23, try to get to the heart of a matter 16 the other end abut with hole jump ring 23.Hole jump ring 23 can block bearing disc 10, avoids bearing disc 10 moving axially along pressure-bearing cylinder 20, ensures the sealing effectiveness in this pressure-bearing electronics storehouse.
Along the axis of pressure-bearing cylinder 20, the outer wall of pressure-bearing cylinder 20 is provided with the groove 24 of a pair symmetry.This groove 24 is for passing through the through track of logging instrument inside.
Bearing disc 10 also can be disc, and only try to get to the heart of a matter 16 and do not have sidewall 17 with regard to being equivalent to bearing disc 10, now, projection 11 is just arranged on the edge of bearing disc 10, and the inwall of pressure-bearing cylinder 20 is provided with the groove matched with projection 11.
The mounting method in a kind of pressure-bearing electronics storehouse for acoustic logging instrument of the present invention is as follows:
1, first circuit board and bearing disc 10 are fixed, realize Hard link, the wire on circuit board is connected with the metal needle 21 on bearing disc 10.2, by the bearing disc 10 securing circuit board by erecting tools as T-shaped handle is installed to one end of pressure-bearing cylinder 20, simultaneously at this end installing hole jump ring 23.3, the wire of circuit board is connected with the metal needle 21 on another bearing disc 10, then bearing disc 10 is arranged on the other end of pressure-bearing cylinder 20, and outside bearing disc 10 installing hole jump ring 23.4, one end of pressure-bearing cylinder 20 and other axles or joint or electronics storehouse socket are docked.5, arrange acoustic wave transducer as required in the external surface circumference of pressure-bearing cylinder 20, and with wire, transducer is connected with the metal needle in bearing disc.
The above, be only specific embodiments of the invention, can not limit the scope that invention implements with it, so the displacement of its equivalent assemblies, or the equivalent variations done according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.
Claims (4)
1. the pressure-bearing electronics storehouse for acoustic logging instrument, it is characterized in that: comprise pressure-bearing cylinder (20), the tubular that pressure-bearing cylinder (20) is both ends open, the two ends of pressure-bearing cylinder (20) are sealedly connected with bearing disc (10) respectively, circuit board is provided with between interior two bearing discs (10) of pressure-bearing cylinder (20), multiple metal needle (21) and bearing disc (10) are tightly connected, one end being connected with the circuit board inside bearing disc axially across bearing disc (10) along pressure-bearing cylinder (20) of metal needle (21), the other end of metal needle (21) is arranged on the outside of bearing disc (10), at pressure-bearing cylinder (20) outward, circumference along pressure-bearing cylinder (20) is provided with at least one transducer (30), transducer is connected with circuit board by metal needle,
Bearing disc (10) is one end cylindrical shape with the end, bearing disc (10) comprises tries to get to the heart of a matter (16) and sidewall (17), try to get to the heart of a matter the one end of (16) towards circuit board, sidewall (17) is connected with described one end of trying to get to the heart of a matter, one end of sidewall (17) is connected with try to get to the heart of a matter (16), the other end of sidewall (17) is provided with projection (11), the inwall of pressure-bearing cylinder (20) is provided with the groove matched with projection (11), try to get to the heart of a matter (16) be provided with tapped through hole (14), the axis of tapped through hole (14) and the dead in line of bearing disc (10), tapped through hole is provided with sealing-plug in (14), the try to get to the heart of a matter one end of (16) is provided with at least one tapped blind hole for fixing circuit board (15), the inwall circumference of pressure-bearing cylinder (20) is provided with draw-in groove, draw-in groove is connected with hole jump ring (23), the other end of (16) of trying to get to the heart of a matter abuts with hole jump ring (23), along the axis of pressure-bearing cylinder (20), the outer wall of pressure-bearing cylinder (20) is provided with the groove (24) of a pair symmetry.
2. pressure-bearing electronics storehouse according to claim 1, is characterized in that: metal needle (21) is through try to get to the heart of a matter (16) of bearing disc (10).
3. pressure-bearing electronics storehouse according to claim 1, is characterized in that: try to get to the heart of a matter (16) are provided with three tapped blind holes (15).
4. pressure-bearing electronics storehouse according to claim 1, is characterized in that: try to get to the heart of a matter (16) be circumferentially with at least one annular groove (12), be provided with sealing ring (18) in annular groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479064.5A CN102979514B (en) | 2012-11-22 | 2012-11-22 | A kind of pressure-bearing electronics storehouse for acoustic logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479064.5A CN102979514B (en) | 2012-11-22 | 2012-11-22 | A kind of pressure-bearing electronics storehouse for acoustic logging instrument |
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| Publication Number | Publication Date |
|---|---|
| CN102979514A CN102979514A (en) | 2013-03-20 |
| CN102979514B true CN102979514B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210479064.5A Active CN102979514B (en) | 2012-11-22 | 2012-11-22 | A kind of pressure-bearing electronics storehouse for acoustic logging instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106034391B (en) * | 2015-03-09 | 2020-09-15 | 中国石油集团长城钻探工程有限公司 | Circular circuit board mounting cylinder for petroleum logging instrument |
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| US6595285B2 (en) * | 2000-04-10 | 2003-07-22 | Institut Francais Du Petrole | Method and device for emitting radial seismic waves in a material medium by electromagnetic induction |
| CN201362339Y (en) * | 2009-03-26 | 2009-12-16 | 国家海洋技术中心 | Shallow sea self-restraining type drifting circulation detecting buoy |
| CN101691841A (en) * | 2009-10-16 | 2010-04-07 | 中国石油天然气集团公司 | Circuit used for petroleum underground three-dimensional acoustic wave signal receiving sensor array |
| CN201915951U (en) * | 2011-01-27 | 2011-08-03 | 西北工业大学 | Piezoelectric ceramic electroacoustic transducer of cylindrical structure |
| CN202250038U (en) * | 2011-08-08 | 2012-05-30 | 瞿金祥 | Acoustic-wave well logging transducer |
| CN102505935A (en) * | 2011-10-20 | 2012-06-20 | 中国石油天然气集团公司 | Excitation circuit of transducer array of three-dimensional acoustic wave downhole instrument |
-
2012
- 2012-11-22 CN CN201210479064.5A patent/CN102979514B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595285B2 (en) * | 2000-04-10 | 2003-07-22 | Institut Francais Du Petrole | Method and device for emitting radial seismic waves in a material medium by electromagnetic induction |
| CN201362339Y (en) * | 2009-03-26 | 2009-12-16 | 国家海洋技术中心 | Shallow sea self-restraining type drifting circulation detecting buoy |
| CN101691841A (en) * | 2009-10-16 | 2010-04-07 | 中国石油天然气集团公司 | Circuit used for petroleum underground three-dimensional acoustic wave signal receiving sensor array |
| CN201915951U (en) * | 2011-01-27 | 2011-08-03 | 西北工业大学 | Piezoelectric ceramic electroacoustic transducer of cylindrical structure |
| CN202250038U (en) * | 2011-08-08 | 2012-05-30 | 瞿金祥 | Acoustic-wave well logging transducer |
| CN102505935A (en) * | 2011-10-20 | 2012-06-20 | 中国石油天然气集团公司 | Excitation circuit of transducer array of three-dimensional acoustic wave downhole instrument |
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| CN102979514A (en) | 2013-03-20 |
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