CN105649604B - electrode circuit built-in structure - Google Patents
electrode circuit built-in structure Download PDFInfo
- Publication number
- CN105649604B CN105649604B CN201511023238.7A CN201511023238A CN105649604B CN 105649604 B CN105649604 B CN 105649604B CN 201511023238 A CN201511023238 A CN 201511023238A CN 105649604 B CN105649604 B CN 105649604B
- Authority
- CN
- China
- Prior art keywords
- electrode
- circuit board
- inner shell
- outer shell
- shell
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses an electrode circuit built-in structure which comprises an electrode inner shell, an electrode outer shell, a wiring terminal and a circuit board, wherein the circuit board is positioned between the electrode inner shell and the electrode outer shell, one end of the wiring terminal is connected with the circuit board, and the other end of the wiring terminal penetrates through the electrode inner shell. The distance between the circuit board and the electrode is smaller.
Description
Technical Field
The invention belongs to the field of petroleum logging, and relates to an electrode circuit built-in structure.
Background
At present, the core rod is welded with a core rod connector into a whole, namely an integral core rod, from the aspect of processing, the welding is difficult to ensure the requirement on the coaxiality of the core rod, local deformation is easy to generate, the assembly of the instrument and the maintenance of the instrument are difficult, a small hole in the middle of the core rod is only used for passing through a through line, the space is not fully utilized, and a short section of an electronic instrument is an independent part, so the total length of the instrument is inevitably increased.
The total number of the measuring electrodes and the auxiliary electrodes of the array lateral instrument is more than 27, so that the corresponding needs of the measuring circuits are large, and meanwhile, the key circuit needs to be close to the measuring electrodes, so that the measuring error is reduced.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages of the prior art and providing an electrode circuit built-in structure in which the distance between a circuit board and an electrode is small.
In order to achieve the purpose, the electrode circuit built-in structure comprises an electrode inner shell, an electrode outer shell, a binding post and a circuit board, wherein the circuit board is positioned between the electrode inner shell and the electrode outer shell, one end of the binding post is connected with the circuit board, and the other end of the binding post penetrates through the electrode inner shell.
The cross section of the electrode inner shell and the cross section of the electrode outer shell are both of circular ring structures, and the electrode inner shell is sleeved in the electrode outer shell.
The cross section of the circuit board is of a circular ring structure.
A plurality of sealing rings are arranged between the electrode inner shell and the electrode outer shell, and the circuit board is located between the sealing rings.
The sealing ring is an O-shaped sealing ring.
The number of the sealing rings on the two sides of the circuit board is one.
An annular groove is formed in the outer wall of the electrode inner shell, and the circuit board is arranged in the annular groove.
The outer wall of the electrode outer shell is of an L-shaped structure, and the end part of the electrode inner shell is in contact with the bottom of the electrode outer shell.
The invention has the following beneficial effects:
the electrode circuit built-in structure comprises an electrode inner shell, an electrode outer shell and a circuit board, wherein the circuit board is positioned between the electrode inner shell and the electrode outer shell, so that the distance between the circuit board and the electrode inner shell and the distance between the circuit board and the electrode outer shell are reduced, the nearby measurement of the circuit board is realized, the signal-to-noise ratio of a measurement signal is improved, the length of a measuring instrument is reduced, and the electrode and the circuit board are connected when the electrode circuit built-in structure is in actual use, so that the measurement accuracy is ensured.
Furthermore, the sealing rings are arranged on two sides of the circuit board, so that the sealing performance of the invention is ensured to be better through the sealing rings, the measurement precision is improved, the reliability of the invention is ensured, and the processing difficulty is not increased.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a sealing ring, 2 is a circuit board, 3 is a binding post, 4 is an electrode outer shell, and 5 is an electrode inner shell.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
Referring to fig. 1, the electrode circuit built-in structure of the present invention includes an electrode inner casing 5, an electrode outer casing 4, a terminal 3 and a circuit board 2, wherein the circuit board 2 is located between the electrode inner casing 5 and the electrode outer casing 4, one end of the terminal 3 is connected to the circuit board 2, and the other end of the terminal 3 penetrates through the electrode inner casing 5.
It should be noted that both the cross section of the electrode inner shell 5 and the cross section of the electrode outer shell 4 are circular structures, and the electrode inner shell 5 is sleeved in the electrode outer shell 4; the cross section of the circuit board 2 is of a circular ring structure; a plurality of sealing rings 1 are arranged between the electrode inner shell 5 and the electrode outer shell 4, and the circuit board 2 is positioned between the sealing rings 1; the sealing ring 1 is an O-shaped sealing ring; the number of the sealing rings 1 on both sides of the circuit board 2 is one; an annular groove is formed in the outer wall of the electrode inner shell 5, and the circuit board 2 is arranged in the annular groove; the outer wall of the electrode outer shell 4 is of an L-shaped structure, and the end part of the electrode inner shell 5 is in contact with the bottom of the electrode outer shell 4.
Claims (3)
1. an electrode circuit built-in structure is characterized by comprising an electrode inner shell (5), an electrode outer shell (4), a wiring terminal (3) and a circuit board (2), wherein the circuit board (2) is positioned between the electrode inner shell (5) and the electrode outer shell (4), one end of the wiring terminal (3) is connected with the circuit board (2), and the other end of the wiring terminal (3) penetrates through the electrode inner shell (5);
The outer wall of the electrode outer shell (4) is of an L-shaped structure, and the end part of the electrode inner shell (5) is in contact with the bottom of the electrode outer shell (4);
A plurality of sealing rings (1) are arranged between the electrode inner shell (5) and the electrode outer shell (4), and the circuit board (2) is positioned between the sealing rings (1);
the cross section of the electrode inner shell (5) and the cross section of the electrode outer shell (4) are both circular structures, and the electrode inner shell (5) is sleeved in the electrode outer shell (4);
The cross section of the circuit board (2) is of a circular ring structure;
An annular groove is formed in the outer wall of the electrode inner shell (5), and the circuit board (2) is arranged in the annular groove.
2. the electrode circuit built-in structure according to claim 1, characterized in that the sealing ring (1) is an O-ring.
3. the electrode circuit built-in structure according to claim 1, characterized in that the number of the sealing rings (1) on both sides of the circuit board (2) is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023238.7A CN105649604B (en) | 2015-12-30 | 2015-12-30 | electrode circuit built-in structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511023238.7A CN105649604B (en) | 2015-12-30 | 2015-12-30 | electrode circuit built-in structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105649604A CN105649604A (en) | 2016-06-08 |
| CN105649604B true CN105649604B (en) | 2019-12-06 |
Family
ID=56490895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511023238.7A Active CN105649604B (en) | 2015-12-30 | 2015-12-30 | electrode circuit built-in structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649604B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261994A (en) * | 1997-07-09 | 2000-08-02 | “黑晶”公开股份公司 | Thermostatically controlled quartz generator |
| GB2426053B (en) * | 2005-05-10 | 2008-01-16 | Schlumberger Holdings | Enclosures for containing transducers and electronics on a downhole tool |
| CN201041038Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气集团公司 | Lateral logging device rubber electrode array |
| CN101694157A (en) * | 2009-09-25 | 2010-04-14 | 中国电子科技集团公司第二十二研究所 | Method for shortening length of log tool and dual laterolog tool with electrode probe internally provided with electronic circuit |
| CN102236107A (en) * | 2010-04-26 | 2011-11-09 | 中国石油天然气集团公司 | Lateral electrode system of petroleum well logging instrument |
| CN103364100A (en) * | 2013-07-24 | 2013-10-23 | 西安盛华安电气科技有限公司 | Contact box with built-in over-temperature protection device |
| CN103733518A (en) * | 2011-06-24 | 2014-04-16 | 微晶片科技德国第二公司 | Printed circuit board comprising an electrode configuration of an capacitive sensor |
| CN203564236U (en) * | 2013-10-24 | 2014-04-30 | 刘卫明 | Wearable electrocardio-electrode allowing dry mode or wet mode to be configured |
| CN204591243U (en) * | 2015-01-30 | 2015-08-26 | 中石化石油工程技术服务有限公司 | Integrated double-lateral electrode system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8733438B2 (en) * | 2007-09-18 | 2014-05-27 | Schlumberger Technology Corporation | System and method for obtaining load measurements in a wellbore |
| CN101482013B (en) * | 2009-02-23 | 2010-05-12 | 中国石化集团胜利石油管理局钻井工艺研究院 | While-drilling borehole compensation electromagnetic wave resistivity survey apparatus |
-
2015
- 2015-12-30 CN CN201511023238.7A patent/CN105649604B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261994A (en) * | 1997-07-09 | 2000-08-02 | “黑晶”公开股份公司 | Thermostatically controlled quartz generator |
| GB2426053B (en) * | 2005-05-10 | 2008-01-16 | Schlumberger Holdings | Enclosures for containing transducers and electronics on a downhole tool |
| CN201041038Y (en) * | 2007-03-30 | 2008-03-26 | 中国石油天然气集团公司 | Lateral logging device rubber electrode array |
| CN101694157A (en) * | 2009-09-25 | 2010-04-14 | 中国电子科技集团公司第二十二研究所 | Method for shortening length of log tool and dual laterolog tool with electrode probe internally provided with electronic circuit |
| CN102236107A (en) * | 2010-04-26 | 2011-11-09 | 中国石油天然气集团公司 | Lateral electrode system of petroleum well logging instrument |
| CN103733518A (en) * | 2011-06-24 | 2014-04-16 | 微晶片科技德国第二公司 | Printed circuit board comprising an electrode configuration of an capacitive sensor |
| CN103364100A (en) * | 2013-07-24 | 2013-10-23 | 西安盛华安电气科技有限公司 | Contact box with built-in over-temperature protection device |
| CN203564236U (en) * | 2013-10-24 | 2014-04-30 | 刘卫明 | Wearable electrocardio-electrode allowing dry mode or wet mode to be configured |
| CN204591243U (en) * | 2015-01-30 | 2015-08-26 | 中石化石油工程技术服务有限公司 | Integrated double-lateral electrode system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105649604A (en) | 2016-06-08 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |