CN106223935A - A kind of oil temperature for oil exploration monitors system - Google Patents
A kind of oil temperature for oil exploration monitors system Download PDFInfo
- Publication number
- CN106223935A CN106223935A CN201610802802.3A CN201610802802A CN106223935A CN 106223935 A CN106223935 A CN 106223935A CN 201610802802 A CN201610802802 A CN 201610802802A CN 106223935 A CN106223935 A CN 106223935A
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- Prior art keywords
- oil
- temperature
- diode
- exploration
- oil pipe
- 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.)
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- 239000003129 oil well Substances 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 230000008520 organization Effects 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation 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
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes 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)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of oil temperature for oil exploration and monitor system, including oil well, platform, it is positioned at the oil pipe within oil well and some temperature testing organizations being arranged on oil pipe, this is used in the oil temperature monitoring system of oil exploration, a circular hole is formed by the semi-circular recesses of two temperature sensing assemblies, mutually held by solenoid simultaneously, control roller by the first driving motor subsequently to rotate, it is achieved that temperature testing organization moves on oil pipe, after moving to specify position, drive motor to control fixing axle by second to stretch out, it is fixed on the inwall of oil well, two temperature sensing assemblies separate, achieve oil well the most accurately monitoring of temperature at this, thus improve the practicality of system；Moreover, in working power circuit, by controlling the conducting of audion, realize unidirectional drive transformator, it is ensured that while working power circuit steady operation, reduce production cost, improve the market competitiveness of system.
Description
Technical field
The present invention relates to a kind of oil temperature for oil exploration and monitor system.
Background technology
So-called oil exploration, it is simply that in order to find and find out petroleum resources, and utilize various exploration means to understand underground
Geological state, understanding oil generation, oil storage, oil-gas migration, assemble, the condition such as preservation, overall merit oil-gas bearing prospect, determine Accumulation of Hydrocarbon
The Favorable Areas of collection, finds the trap of reservoir hydrocarbon, and verifies oil gas field area, get the mistake of oil-gas Layer situation and output capacity clear
Journey, increases crude stockpile and relevant oil gas product for country.
During oil exploration, need the temperature within oil well is monitored in real time, ensure the safety of oil well,
But temperature is monitored when, local by being fixed on some, realize monitoring, and along with the degree of depth of oil well increases
Add, need to install again device for detecting temperature, this reduces the practicality of system；Moreover, in device for detecting temperature work
The when of work, internal working power circuit structure is complicated, thus substantially increases the production cost of system, reduces its market
Competitiveness.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, it is provided that a kind of for oil exploration
Oil temperature monitoring system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of oil temperature for oil exploration is monitored
System, the platform including oil well, being erected at oil well top, is positioned at the oil pipe within oil well and some temperature being arranged on oil pipe
Testing agency；
Described temperature testing organization includes that two temperature sensing assemblies, two described temperature sensing assemblies are positioned at the two of oil pipe
Side, described temperature sensing assembly includes body, and described body is provided with semi-circular recesses near the side of oil pipe, on described body and
The homonymy being positioned at semi-circular recesses is provided with two solenoids, and two solenoids are positioned at the two ends of semi-circular recesses, and described half
The inwall of circular groove is provided with moving assembly, and the side on described body and away from oil pipe is provided with two fixation kits；
Described moving assembly includes the first driving motor and roller, and described first drives motor to be in transmission connection with roller；
Described fixation kit includes the second driving motor and fixing axle, and described second drives motor with fixing through-drive even
Connect；
The inside of described body is provided with working power module, and described working power module includes working power circuit, described
Working power circuit includes transformator, the first diode, the second diode, the 3rd diode, audion, inductance and electric capacity, institute
The primary side stating transformator is provided with two coils in parallel, the coil of the primary side of one of them transformator and the 3rd diode
Negative electrode connect, the coil of the primary side of another transformator is connected with the colelctor electrode of audion, the emitter stage of described audion and
The anode of the 3rd diode connects, and the secondary side of described transformator is provided with a map, the coil of the secondary side of described transformator
Two ends be connected with the anode of the first diode and the anode of the second diode respectively, the negative electrode and second of described first diode
The negative electrode of diode connects, and the negative electrode of described second diode is by inductance and the series circuit of electric capacity composition and the second diode
Anode connect；
The inside of described body is additionally provided with temperature sensor.
As preferably, in order to ensure the intellectuality of system, the inside of described body is additionally provided with central control module and wireless
Communication module, described wireless communication module is connected with central control module, and described central control module is PLC.
As preferably, in order to ensure that temperature testing organization can remotely be monitored by staff, described wireless telecommunications
Module includes bluetooth, and described bluetooth is connected with external communication terminal wireless by bluetooth 4.0 communications protocol.
As preferably, in order to ensure that temperature testing organization can move freely on oil pipe, described semi-circular recesses straight
Footpath is equal to the external diameter of oil pipe.
As preferably, in order to improve the reliability that temperature testing organization moves, described first drives motor and second to drive
Motor is direct current generator.
As preferably, in order to improve the reliability that temperature testing organization moves, the periphery of described roller is provided with anti-slip veins.
As preferably, in order to ensure that temperature everywhere around oil pipe is reliably detected, described temperature testing organization edge
Oil pipe and be set in qually spaced in the periphery of oil pipe.
As preferably, in order to improve the reliability level of temperature testing organization, the flame retardant rating of described body is V-0.
The invention has the beneficial effects as follows, this is used in the oil temperature monitoring system of oil exploration, is examined by two temperature
The semi-circular recesses surveying assembly forms a circular hole, is mutually held by solenoid simultaneously, subsequently by the first driving motor
Control roller to rotate, be achieved that temperature testing organization moves on oil pipe, after moving to specify position, drive by second
Galvanic electricity machine controls fixing axle and stretches out, and is fixed on the inwall of oil well, and two temperature sensing assemblies separate, it is achieved that to oil well temperature at this
The most accurately monitoring of degree, thus improve the practicality of system；Moreover, in working power circuit, by controlling three
The conducting of pole pipe, realizes unidirectional drive transformator, it is ensured that while working power circuit steady operation, reduces and produces into
This, improve the market competitiveness of system.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the oil temperature monitoring system for oil exploration of the present invention；
Fig. 2 is the structural representation of the temperature testing organization of the oil temperature monitoring system for oil exploration of the present invention
Figure；
Fig. 3 is the circuit theory of the working power circuit of the oil temperature monitoring system for oil exploration of the present invention
Figure；
In figure: 1. platform, 2. oil pipe, 3. temperature testing organization, 4. oil well, 5. body, 6. solenoid, 7. semicircle recessed
Groove, 8. first drives motor, 9. roller, 10. fixation kit, and 11. fix axle, T1. transformator, D1. the first diode, D2. the
Two diodes, D3. the 3rd diode, Q1. audion, L1. inductance, C1. electric capacity.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As shown in Figure 1-Figure 3, a kind of oil temperature for oil exploration monitors system, including oil well 4, is erected at oil well
The platform 1 on 4 tops, it is positioned at the oil pipe 2 within oil well 4 and some temperature testing organizations 3 being arranged on oil pipe 2；
Described temperature testing organization 3 includes that two temperature sensing assemblies, two described temperature sensing assemblies are positioned at oil pipe 2
Both sides, described temperature sensing assembly includes body 5, and described body 5 is provided with semi-circular recesses 7 near the side of oil pipe 2, described
On body 5 and be positioned at the homonymy of semi-circular recesses 7 and be provided with two solenoids 6, two solenoids 6 are positioned at semi-circular recesses 7
Two ends, the inwall of described semi-circular recesses 7 is provided with moving assembly, and the side on described body 5 and away from oil pipe 2 is provided with two admittedly
Determine assembly 10；
Described moving assembly includes the first driving motor 8 and roller 9, and described first drives motor 8 with roller 9 transmission even
Connect；
Described fixation kit 10 includes the second driving motor and fixing axle 11, and described second drives motor to pass with fixing axle 11
It is dynamically connected；
The inside of described body 5 is provided with working power module, and described working power module includes working power circuit, described
Working power circuit includes transformator T1, the first diode D1, the second diode D2, the 3rd diode D3, audion Q1, inductance
L1 and electric capacity C1, the primary side of described transformator T1 is provided with two coils in parallel, the primary side of one of them transformator T1
The negative electrode of coil and the 3rd diode D3 connects, and the coil of the primary side of another transformator T1 connects with the colelctor electrode of audion Q1
Connecing, the emitter stage of described audion Q1 and the anode of the 3rd diode D3 connect, and the secondary side of described transformator T1 is provided with a road
Coil, the two ends of the coil of the secondary side of described transformator T1 respectively with the anode of the first diode D1 and the second diode D2
Anode connects, and the negative electrode of described first diode D1 and the negative electrode of the second diode D2 connect, the moon of described second diode D2
Pole is connected by the series circuit of inductance L1 and electric capacity C1 composition and the anode of the second diode D2；
The inside of described body 5 is additionally provided with temperature sensor.
As preferably, in order to ensure the intellectuality of system, the inside of described body 5 is additionally provided with central control module and wireless
Communication module, described wireless communication module is connected with central control module, and described central control module is PLC.
As preferably, in order to ensure that temperature testing organization 3 can remotely be monitored by staff, described wireless telecommunications
Module includes bluetooth, and described bluetooth is connected with external communication terminal wireless by bluetooth 4.0 communications protocol.
As preferably, in order to ensure that temperature testing organization 3 can move freely on oil pipe 2, described semi-circular recesses 7
Diameter is equal to the external diameter of oil pipe 2.
As preferably, in order to improve the reliability that temperature testing organization 3 moves, described first drives motor 8 and second to drive
Galvanic electricity machine is direct current generator.
As preferably, in order to improve the reliability that temperature testing organization 3 moves, the periphery of described roller 9 is provided with anti-slip veins.
As preferably, in order to ensure that temperature everywhere around oil pipe 2 is reliably detected, described temperature testing organization 3
The periphery of oil pipe 2 it is set in qually spaced in along oil pipe 2.
As preferably, in order to improve the reliability level of temperature testing organization 3, the flame retardant rating of described body 5 is V-0.
This is used in the oil temperature monitoring system of oil exploration, and oil pipe 2 is deep into the inside of oil well 4, is examined by temperature
Survey mechanism 3 to move on oil pipe 2, it is achieved that temperature everywhere in oil well 4 is accurately monitored.
This is used in the temperature testing organization 3 of oil temperature monitoring system of oil exploration, two temperature sensing assemblies
Semi-circular recesses 7 forms a circular hole, is mutually held by the solenoid 6 of two temperature sensing assemblies simultaneously, then can protect
Card temperature testing organization 3 clamps oil pipe 2, controls roller 9 by the first driving motor 8 subsequently and rotates, is achieved that temperature detection
Mechanism 3 moves on oil pipe 2, after moving to specify position, drives motor to control fixing axle 11 by second and stretches out, fixing
At the inwall of oil well 4, two temperature sensing assemblies separate, it is achieved that to oil well the most accurately monitoring of temperature at this.When oil well 4
When the degree of depth increases, then have only to add another temperature testing organization 3, deeply can be realized as depths along oil pipe 2
Temperature monitoring, thus improve the practicality of system.
This is used in the oil temperature monitoring system of oil exploration, and working power module is used for ensureing the reliable fortune of system
OK, wherein, in working power circuit, it is only necessary to by controlling the conducting of audion Q1, realize unidirectional drive transformator T1,
Enormously simplify the structure of working power circuit, thus while ensure that working power circuit steady operation, greatly reduce
The production cost of working power circuit, improves the market competitiveness of system.
Compared with prior art, this is used in the oil temperature monitoring system of oil exploration, by two temperature detection groups
The semi-circular recesses 7 of part forms a circular hole, is mutually held by solenoid 6 simultaneously, is controlled by the first driving motor 8 subsequently
Roller 9 processed rotates, and is achieved that temperature testing organization 3 moves on oil pipe 2, after moving to specify position, by second
Driving motor to control fixing axle 11 to stretch out, be fixed on the inwall of oil well 4, two temperature sensing assemblies separate, it is achieved that to oil well
The most accurately monitoring of temperature at this, thus improve the practicality of system；Moreover, in working power circuit, pass through
Control the conducting of audion Q1, realize unidirectional drive transformator T1, it is ensured that while working power circuit steady operation, fall
Low production cost, improves the market competitiveness of system.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (8)
1. the oil temperature monitoring system for oil exploration, it is characterised in that include oil well (4), be erected at oil well (4)
The platform (1) on top, the oil pipe (2) being positioned at oil well (4) inside and some temperature testing organizations (3) being arranged on oil pipe (2)；
Described temperature testing organization (3) includes that two temperature sensing assemblies, two described temperature sensing assemblies are positioned at oil pipe (2)
Both sides, described temperature sensing assembly includes body (5), and described body (5) is provided with semi-circular recesses near the side of oil pipe (2)
(7), described body (5) is upper and is positioned at the homonymy of semi-circular recesses (7) and is provided with two solenoids (6), two solenoids (6)
Being positioned at the two ends of semi-circular recesses (7), the inwall of described semi-circular recesses (7) is provided with moving assembly, and described body (5) is upper and remote
Two fixation kits (10) it are provided with from the side of oil pipe (2)；
Described moving assembly includes the first driving motor (8) and roller (9), and described first drives motor (8) and roller (9) transmission
Connect；
Described fixation kit (10) includes the second driving motor and fixing axle (11), and described second drives motor and fixing axle (11)
It is in transmission connection；
The inside of described body (5) is provided with working power module, and described working power module includes working power circuit, described work
Transformator (T1), the first diode (D1), the second diode (D2), the 3rd diode (D3), audion is included as power circuit
(Q1), inductance (L1) and electric capacity (C1), the primary side of described transformator (T1) is provided with two coils in parallel, one of them transformation
The coil of the primary side of device (T1) and the negative electrode of the 3rd diode (D3) connect, the coil of the primary side of another transformator (T1)
Being connected with the colelctor electrode of audion (Q1), the emitter stage of described audion (Q1) and the anode of the 3rd diode (D3) connect, institute
The secondary side stating transformator (T1) is provided with a map, and the two ends of the coil of the secondary side of described transformator (T1) are respectively with first
The anode of diode (D1) and the anode of the second diode (D2) connect, the negative electrode of described first diode (D1) and the two or two pole
The negative electrode of pipe (D2) connects, the series circuit that the negative electrode of described second diode (D2) consists of inductance (L1) and electric capacity (C1)
It is connected with the anode of the second diode (D2)；
The inside of described body (5) is additionally provided with temperature sensor.
2. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described body (5)
Inside be additionally provided with central control module and wireless communication module, described wireless communication module is connected with central control module, institute
Stating central control module is PLC.
3. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described wireless telecommunications
Module includes bluetooth, and described bluetooth is connected with external communication terminal wireless by bluetooth 4.0 communications protocol.
4. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described semicircle is recessed
The diameter of groove (7) is equal to the external diameter of oil pipe (2).
5. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described first drives
Motor (8) and second drives motor to be direct current generator.
6. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described roller (9)
Periphery be provided with anti-slip veins.
7. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described temperature detection
Mechanism (3) is set in qually spaced in the periphery of oil pipe (2) along oil pipe (2).
8. the oil temperature monitoring system for oil exploration as claimed in claim 1, it is characterised in that described body (5)
Flame retardant rating be V-0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802802.3A CN106223935B (en) | 2016-09-05 | 2016-09-05 | A kind of oil temperature monitoring system for oil exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802802.3A CN106223935B (en) | 2016-09-05 | 2016-09-05 | A kind of oil temperature monitoring system for oil exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106223935A true CN106223935A (en) | 2016-12-14 |
| CN106223935B CN106223935B (en) | 2019-08-16 |
Family
ID=58074991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610802802.3A Active CN106223935B (en) | 2016-09-05 | 2016-09-05 | A kind of oil temperature monitoring system for oil exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106223935B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812240A (en) * | 2019-02-27 | 2019-05-28 | 杨道财 | A kind of oil field shaft mouth anti-rotation device |
| CN110542829A (en) * | 2019-08-15 | 2019-12-06 | 贵州电网有限责任公司 | direct-current grounding judgment device and method for power distribution network below 35kV |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616705A (en) * | 1984-10-05 | 1986-10-14 | Shell Oil Company | Mini-well temperature profiling process |
| CN2592869Y (en) * | 2003-01-09 | 2003-12-17 | 霍明远 | Apparatus for measuring underground temperature |
| CN101353962A (en) * | 2007-07-25 | 2009-01-28 | 普拉德研究及开发股份有限公司 | Apparatus and methods to perform operations in a wellbore using downhole tools having movable sections |
| CN201650267U (en) * | 2010-04-27 | 2010-11-24 | 新奥科技发展有限公司 | Simple underground temperature measurement device |
| CN101942990A (en) * | 2009-07-10 | 2011-01-12 | 新奥科技发展有限公司 | On-line underground temperature measurement system |
| CN103277091A (en) * | 2012-11-07 | 2013-09-04 | 中国石油大学(华东) | High-temperature well temperature and pressure dynamic monitoring system |
| CN204691823U (en) * | 2015-04-16 | 2015-10-07 | 广东梅雁吉祥水电股份有限公司 | A kind of mine temperature circular monitor |
-
2016
- 2016-09-05 CN CN201610802802.3A patent/CN106223935B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616705A (en) * | 1984-10-05 | 1986-10-14 | Shell Oil Company | Mini-well temperature profiling process |
| CN2592869Y (en) * | 2003-01-09 | 2003-12-17 | 霍明远 | Apparatus for measuring underground temperature |
| CN101353962A (en) * | 2007-07-25 | 2009-01-28 | 普拉德研究及开发股份有限公司 | Apparatus and methods to perform operations in a wellbore using downhole tools having movable sections |
| CN101942990A (en) * | 2009-07-10 | 2011-01-12 | 新奥科技发展有限公司 | On-line underground temperature measurement system |
| CN201650267U (en) * | 2010-04-27 | 2010-11-24 | 新奥科技发展有限公司 | Simple underground temperature measurement device |
| CN103277091A (en) * | 2012-11-07 | 2013-09-04 | 中国石油大学(华东) | High-temperature well temperature and pressure dynamic monitoring system |
| CN204691823U (en) * | 2015-04-16 | 2015-10-07 | 广东梅雁吉祥水电股份有限公司 | A kind of mine temperature circular monitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812240A (en) * | 2019-02-27 | 2019-05-28 | 杨道财 | A kind of oil field shaft mouth anti-rotation device |
| CN110542829A (en) * | 2019-08-15 | 2019-12-06 | 贵州电网有限责任公司 | direct-current grounding judgment device and method for power distribution network below 35kV |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106223935B (en) | 2019-08-16 |
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Effective date of registration: 20190827 Address after: 239300 Dawn Community of Tianchang Street, Chuzhou City, Anhui Province Patentee after: Anhui High Precision Measurement and Control Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Patentee before: Shenzhen city Naishidi Technology Development Co. Ltd. |
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