CN109138981A - A kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle - Google Patents
A kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle Download PDFInfo
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- CN109138981A CN109138981A CN201811266838.XA CN201811266838A CN109138981A CN 109138981 A CN109138981 A CN 109138981A CN 201811266838 A CN201811266838 A CN 201811266838A CN 109138981 A CN109138981 A CN 109138981A
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- 238000005259 measurement Methods 0.000 title claims abstract description 33
- 230000005611 electricity Effects 0.000 title claims abstract description 14
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 8
- 210000002445 nipple Anatomy 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 32
- 238000005086 pumping Methods 0.000 description 21
- 239000003129 oil well Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 241001023788 Cyttus traversi Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/021—Devices for subsurface connecting or disconnecting by rotation
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of, and electrical measurement is confessed in the underground based on electromagnetic induction electricity generating principle, including power pack and measurement part, power pack is made of power pack bracket, miniature power generating device, two panels power pack bracket is fixed on sucker rod after being bolted, each and every one several square holes are shared on power pack bracket for placing miniature power generating device；Measurement part is made of pipe nipple shell, internal container capping, internal container shell, battery, flexible printed circuit board, sensor, threaded closure caps and rubber seal plug.Power pack is fixed on sucker rod, and measurement is partially installed between two sucker rods, while can substitute the effect of box cupling.During sucker rod moves up and down, oil liquid flows so that blade rotates, and drive micromotor is produced electricl energy to the measurement part power supply of underground, measurement part self-powered may be implemented, structure is simple, easy for installation, it is adaptable, it can be in the power supply for measuring part under a variety of rod-pumped wells.
Description
Technical field
The present invention relates to a kind of measurement part, electrical measurement is confessed in specifically a kind of underground based on electromagnetic induction electricity generating principle
Measure device.
Background technique
In petroleum production engineering of today, there is miscellaneous oil production method, but it is main use bar recover the oil
Mode.There is bar to recover the oil and be connected to the oil well pump of thousands of meters of underground using elongated sucker rod, by the pumping unit for being fixed on ground
Sucker rod up and down motion is driven to reach oil pumping purpose.
Sucker rod is the slender rod piece of rod-pumped well, and the polished rod eye of pumping unit is connect on it, under connect oil pumping and pump up transmitting power
Effect.Sucker rod joint length is 7.62,8 or 9.14 meters, and material is usually low-carbon alloy steel by modifier treatment, single
External screw thread is processed at the both ends of sucker rod, then sucker rod will be connected one by one with a kind of standard connector for being box cupling,
Internal screw thread is processed at the both ends of box cupling, and length is generally 100 millimeters, and outer diameter is more slightly larger than sucker rod, passes through pumping in oil pipe in this way
Oil pump piston at oilbearing stratum is connected by beam hanger with the polished rod eye on pumping unit " horse head ", by pumping unit reciprocating motion come
Pump oil.
Now with the drop of oil price, each oil field production unit is increasingly paid attention to producing energy efficiency, such as changes to pumping unit
For frequency control, the adjustable oil pumping frequency is realized, the optimization of water injection pressure and flow to water injection well changes to promote oil production,
But the setting of these current parameters is all based on the experience of operator, in default of the measurement of subsurface environment data, such as fills the water
Water injection pressure and flow are very big in well, and what is pumped in oil well is the very high crude oil of water content, will result in the pole of energy
Big waste.On the other hand, current oil well depth is generally in 2~3 kms or so, and the oil well depth of Karamay, Xinjiang is up to 6
~7 kms, and underground working is sufficiently complex, working environment very severe, is not only influenced by pumping units such as machine, bar, pumps,
It is also directly influenced by sand, wax, gas and water, failure rate is very high, and in order to guarantee that pumpingh well normally produces, extending pumping unit makes
With the service life, the working condition of pumpingh well must be just grasped accurately and in time, diagnose failure present in pumpingh well.
The existing oil well in China in process of production, is monitored almost without to oil well environmental parameter, right at present
Mainly pass through oil production engineering person in the operating condition of pumpingh well to determine the analysis of pumping-unit workdone graphic and the managerial experiences of oil well,
Diagnostic result accuracy is not high, can only nose into situation when situation complexity by extracting all underground sucker rods and oil pipe out, but should
Method is easy to cause misjudgment or the unnecessary test jobs expense of investment, and seldom exist can directly detect underground other
The measurement part of data.Patent network disclose " it is a kind of using piezo technology generate electricity fluid-duct-system " (application number:
201510039957.1) kinetic energy that the device of this power generation may be implemented to flow fluid generation is converted into electric energy, but not
It is useful in the environment of oil pumping in oil fields, because there is sucker rod in the pumping pipelines of pumpingh well, sucker rod not can rotate.Patent network
(application number: being 201610459316.6) by will be in process fluid flow to " a kind of piezo fluid generator " announced
Pulsation drives the vibration of piezoelectric membrane to achieve the purpose that power generation, and this device is also not suitable for the environment of oil pumping in oil fields.Patent
" a kind of sucker rod underground stress measures part " (application number: 201310399077.6) this underground stress measurement portion that net is announced
Although point pressure on sucker rod under testing well can be connected to by devising a test nipple joint but its power supply is to pass through
The mode of large-capacity battery is powered, and actually underground space is very limited, it is impossible to provide the battery of very large capacity, charging
Inconvenience only takes out replacement when well workover, once the well workover period is longer, battery may consume, and influence work.Patent
Net announce " underground seal type load sensor " (application number: it is 200910072873.2) similar with the former, but also without
It solves the problems, such as noted earlier." a kind of drawing and pressing type vibration energy accumulator " that common self-powered measurement part is announced such as patent network
(application number: being 201510007482.8) a kind of moved by vibrating body drive inertial mass so that piezoelectric vibrator vibration hair
Electricity, but the invention be it is single-ended be fixed on vibrating body, with oil pumping environment can not be adapted well.In addition to this also have
It attempts direct payout to go down, but electric wire is easily pulled off in oil pumping process, while can also interfere with well-repairing work after being routed.
Summary of the invention
The purpose of the present invention is: pumping unit oil well underground self-powered measurement part is overcome the deficiencies of the prior art and provide,
Measurement part self-powered may be implemented, structure is simple, and it is easy for installation, it is adaptable, a variety of pumping unit underground surveys can be used in
In partial power supply.
The technical solution adopted by the present invention is that: a kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle
It is grouped as by power pack and measurement portion, power pack is fixed on sucker rod, and measurement is partially installed on two of required depth
Between sucker rod, while the effect of box cupling can be substituted.Power pack is made of power pack bracket, miniature power generating device, two panels
Power pack bracket is fixed on sucker rod after being bolted, each and every one several square holes are shared on power pack bracket and are used for
Miniature power generating device is placed, miniature power generating device extraction wire will be connected after power generation extremely parallel connection with the female of connector.Measurement
Part is sealed by pipe nipple shell, internal container capping, internal container shell, battery, flexible printed circuit board, sensor, screw thread
Lid and rubber seal plug composition, pipe nipple shell both ends are provided with internal screw thread, and both ends can cooperate with sucker rod, pipe nipple shell
The effect of box cupling can also be substituted, be provided with aperture on pipe nipple shell, the male connector of connector can be fixed, the male connector can with it is miniature
The female that power generator is drawn is connected, the fixed connector male connector extraction wire of pipe nipple shell, and the other end is made another
Connector female has rectangular aperture in threaded closure caps, can rotate threaded closure caps using tool, upper threaded closure caps are not blocked
Button, there are four buckle, internal container shells to be fixed in lower threaded closure caps by four card slots for lower threaded closure caps, internal container envelope
It covers also there are four buckling to be fixed on internal container shell, internal container capping is upper, and there are one openings, for fixing
Connector male connector is equipped with sensor, battery and flexible printed circuit board in internal container shell；Sensor, battery is all
It is connected with flexible printed circuit board, extraction wire and the connector being fixed in internal container capping are public on flexible printed circuit board
Head is connected, and the connector male connector of pipe nipple interior of shell is connected with female.
When pumping unit work, during sucker rod moves up and down, oil liquid is full of oil pick-up tube, mentioned upwards when sucker rod or
During decline, since liquid resistance makes the rotation of the blade on miniature power generating device drive micromotor rotation, micro electric
Machine rotation generates electricity, and there is regulator rectifier circuit, management of charging and discharging circuit can turn the electric current of alternation in flexible printed circuit board
Chemical conversion direct current is filled in battery, and sensor can be replaced according to test request, is changed in flexible printed circuit board corresponding
Transducing signal amplification, conditioning circuit, by storage battery power supply, and store data in the memory of flexible printed circuit board.
Further, pipe nipple shell is connected with sucker rod, and pipe nipple shell will have enough intensity, using good carbon knot
Structure steel is fabricated for raw material, has and is not easy to get rusty, uncorruptible feature, shape is similar with box cupling, and length is slightly longer, both ends
For internal screw thread, box cupling standard component can be replaced.
Further, described four buckles and lower threaded closure caps are integrated, and buckle and lower threaded closure caps can be with
It is made of plastics.
Further, the miniature power generating device is made of blade and micromotor, and blade covers on the axis of motor.
Further, several apertures are provided on the power pack bracket, so that sucker rod is in ascending and descending process, it is oily
Liquid can be from these apertures by without being blocked fully, so that oil liquid fluxion strap movable vane piece rotates.
In the present invention, using sucker rod and oil liquid relative motion, mechanical energy is converted to electric energy, pumpingh well may be implemented
Under confession electrical measurement, the present invention has the advantages that 1. can lead in the case where traditional cable type powers the pumpingh well that is difficult to realize
Cross the detection that self-powered realizes subsurface environment parameter, while the invention relative to used underground survey part, having need not be every
A period of time just replaces the advantages of battery；2. accuracy is higher, Er Qiejie due to being directly to measure temperature in underground
Structure is not needed simply to do existing sucker rod to change and be can be used；3. can be replaced different according to different test conditions
Sensor, to realize that underground varying environment parameter volume measures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pumpingh well.
Fig. 2 is installation view of the invention.
Fig. 3 is the schematic diagram of power pack.
Fig. 4 is the schematic diagram of miniature power generating device.
Fig. 5 is the top view of lower threaded closure caps.
Fig. 6 is the schematic diagram of flexible printed circuit board.
Fig. 7 is the assembling schematic diagram of internal container.
Electrical measurement 5 is confessed in figure middle sleeve 1, insulating centralizer 2, oil pipe 3, sucker rod 4, underground, and power pack 51 supplies
Electric portion support 511, miniature power generating device 512, motor blade 5121, micromotor 5122 measure part 52, pipe nipple shell
521, upper rubber closure 522, upper threaded closure caps 523, lower threaded closure caps 524, buckle 5241, lower rubber closure 525, inside
Container capping 531, internal container shell 532, sensor 533, battery 534, flexible printed circuit board 535, flexible printing electricity
Road plate main body 5351, flexible printed circuit board port 5352, box cupling 6.
Specific embodiment
As shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4 and Fig. 5 and Fig. 6 and Fig. 7, pumpingh well is by casing 1, insulating centralizer 2, oil
Pipe 3 forms, and wherein sucker rod 4 moves among oil pipe 3.Underground self-power supply device 5 is by power pack 51 and 52 groups of part of measurement
At existing sucker rod is generally connected by box cupling 6, measures part 52 in the position of required measurement and box cupling 6 is substituted for survey
Part 52 is measured, measurement part 52 is mounted between two sucker rods for substituting the effect of box cupling, outside the pipe nipple for measuring part 52
The both ends of shell 521 are both provided with internal screw thread, can be with the external screw thread cooperation of oil pumping rod end.
Power pack 51 is fixed on sucker rod 4, and measurement part 52 is mounted between two sucker rods, while can be substituted and be connect
The effect of hoop.Power pack 51 is made of power pack bracket 511 and miniature power generating device 512, two panels power pack bracket 511
It is fixed on after being bolted on sucker rod 4, it is miniature for placing that each and every one several square holes is shared on power pack bracket 511
Power generator 512,512 extraction wire of miniature power generating device will be connected after power generation extremely parallel connection with the female of connector.Measurement portion
Points 52 by pipe nipple shell 521, upper rubber closure 522, upper threaded closure caps 523, lower threaded closure caps 524, lower rubber closure
525, internal container capping 531, internal container shell 532, sensor 533, battery 534,535 groups of flexible printed circuit board
At 521 both ends of pipe nipple shell are provided with internal screw thread, and both ends can cooperate with sucker rod 4, and pipe nipple shell 521 can also replace
The effect of pickup hoop is provided with aperture on pipe nipple shell 521, can fix the male connector of connector, the male connector can and micro generation
The female that device 512 is drawn is connected, the fixed connector male connector extraction wire of pipe nipple shell 521, and the other end is made separately
One connector female has rectangular aperture in threaded closure caps, can rotate threaded closure caps using tool, upper threaded closure caps 523 do not have
There is buckle, there are four buckle 5241, internal container shell is fixed in lower threaded closure caps lower threaded closure caps by four card slots
523, internal container covers also there are four buckling 5241 to be fixed on internal container shell 532, and internal container covers 531
Opening, for fixing connector male connector, is equipped with sensor 533, battery 534 there are one upper in internal container shell 532
With flexible printed circuit board 535；Sensor 533, battery 534 are all connected with flexible printed circuit board 535, flexible print circuit
Extraction wire is connected with the connector male connector being fixed in internal container capping 531 on plate 535, connecing inside pipe nipple shell 521
Plugin male head is connected with female.
When pumping unit work, during sucker rod moves up and down, oil liquid is full of oil pick-up tube, mentioned upwards when sucker rod or
During decline, since liquid resistance makes the rotation of the blade 5121 on miniature power generating device 512 drive micromotor 5122
Rotation, the rotation of micromotor 5122 generate electricity, and have regulator rectifier circuit, management of charging and discharging circuit in flexible printed circuit board 535
The electric current of alternation can be converted to direct current to be filled in battery 534, sensor 533 can be replaced according to test request, flexible
It is changed to the amplification of corresponding transducing signal, conditioning circuit in printed circuit board 5351, is powered by battery 534, and by data
It is stored in the memory of flexible printed circuit board 535.
Pipe nipple shell 521 is connected with sucker rod 4, and pipe nipple shell 521 will have enough intensity, using good carbon knot
Structure steel is fabricated for raw material, has and is not easy to get rusty, uncorruptible feature, shape is similar with box cupling, and length is slightly longer, both ends
For internal screw thread, box cupling standard component can be replaced.
Four buckles 5241 and lower threaded closure caps 524 are integrated, buckle 5241 and lower threaded closure caps
524, which can be plastics, is made.
The miniature power generating device 512 is made of blade 5121 and micromotor 5122, and 5121 sets of blade in motor
On axis.
Several apertures are provided on the power pack bracket 511, so that sucker rod, in ascending and descending process, oil liquid can
With from these apertures by without being blocked fully so that oil liquid fluxion strap movable vane piece 5122 rotates.
By connector connection between the power pack 51 and measurement part 52, when installation, first disconnects connector, to
All after the installation is completed to two parts, it is connected with connector.
The flexible printed circuit board 535 is by flexible printed circuit board main body 5351 and flexible printed circuit board port
5352 composition, all input/output ports of flexible printed circuit board main body 5351 all with 5352 phase of flexible printed circuit board port
Even, flexible printed circuit board port 5352 is a connector, is connected 534 with sensor 533 and battery, as shown in Figure 6.
Sensor 533, battery 534, flexible printed circuit board 535 are all fixed in internal container shell 532 by glue
Portion, internal container capping 531, internal container shell 532 assembles as shown in fig. 7, the two is connected by a snap.
Specific implementation example described herein only illustrates that spirit of the invention.Technology belonging to the present invention
The technical staff in field can do various modifications or additions to described specific implementation example or use similar side
Formula substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (3)
1. electrical measurement is confessed in a kind of underground based on electromagnetic induction electricity generating principle, it is characterised in that: power pack is fixed on
On sucker rod, measurement is partially installed between two sucker rods, while can substitute the effect of box cupling；Power pack is by power pack
Bracket, miniature power generating device composition, two panels power pack bracket are fixed on sucker rod after being bolted, power pack
Each and every one several square holes are shared on bracket will generate electricity pole simultaneously for placing miniature power generating device, miniature power generating device extraction wire
It is connected after connection with the female of connector.
2. a kind of underground based on electromagnetic induction electricity generating principle as described in claim 1 confesses that electrical measurement, feature exist
In: measurement part by pipe nipple shell, internal container capping, internal container shell, battery, flexible printed circuit board, sensor,
Threaded closure caps and rubber seal plug composition, pipe nipple shell both ends are provided with internal screw thread, and both ends can cooperate with sucker rod, short
Section shell can also substitute the effect of box cupling, be provided with aperture on pipe nipple shell, can fix the male connector of connector, which can be with
The female drawn with miniature power generating device is connected, the fixed connector male connector extraction wire of pipe nipple shell, and by other end system
At another connector female, there is rectangular aperture in threaded closure caps, threaded closure caps can be rotated using tool, upper threaded closure caps do not have
There is buckle, there are four buckle, internal container shells to be fixed in lower threaded closure caps by four card slots for lower threaded closure caps, and inside holds
Also there are four buckles can be fixed on internal container shell in device capping, and internal container capping is upper there are one opening, is used for
Connector male connector is fixed, sensor, battery and flexible printed circuit board are installed in internal container shell；Sensor, electric power storage
Pond is all connected with flexible printed circuit board, on flexible printed circuit board extraction wire be fixed on internal container capping on patching
Part male connector is connected, and the connector male connector of pipe nipple interior of shell is connected with female.
3. a kind of underground based on electromagnetic induction electricity generating principle as described in claim 1 confesses that electrical measurement, feature exist
In: the micromotor both ends in the miniature power generating device are equipped with blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266838.XA CN109138981A (en) | 2018-10-29 | 2018-10-29 | A kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266838.XA CN109138981A (en) | 2018-10-29 | 2018-10-29 | A kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109138981A true CN109138981A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266838.XA Withdrawn CN109138981A (en) | 2018-10-29 | 2018-10-29 | A kind of underground confession electrical measurement based on electromagnetic induction electricity generating principle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236469A (en) * | 2021-05-08 | 2021-08-10 | 郑州市东纵西横科技有限公司 | Oil well liquid flow power machine |
-
2018
- 2018-10-29 CN CN201811266838.XA patent/CN109138981A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236469A (en) * | 2021-05-08 | 2021-08-10 | 郑州市东纵西横科技有限公司 | Oil well liquid flow power machine |
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Application publication date: 20190104 |
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| WW01 | Invention patent application withdrawn after publication |