CN205663560U - Compensation formula is turbine permanent magnet generator in pit - Google Patents
Compensation formula is turbine permanent magnet generator in pit Download PDFInfo
- Publication number
- CN205663560U CN205663560U CN201620498793.9U CN201620498793U CN205663560U CN 205663560 U CN205663560 U CN 205663560U CN 201620498793 U CN201620498793 U CN 201620498793U CN 205663560 U CN205663560 U CN 205663560U
- Authority
- CN
- China
- Prior art keywords
- turbine
- isolation cover
- rotating shaft
- support
- bearing
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a generator, concretely relates to compensation formula is turbine permanent magnet generator in pit. This generator includes frame, pivot, turbine, power management means and end cover, and the angular contact bearing through the symmetry setting in the frame installs the pivot, is provided with stator module on the frame inner wall between the angular contact bearing, is provided with the rotor subassembly in the pivot that corresponds with stator module, and power management means is installed to the threaded one end of frame. Generated power is big for this motor, and through compensation formula movive seal and magnetic coupling mechanism, mud is in the pit kept apart completely to messenger's rotor magnet steel, has improved a motor seal and greasy property, the life of extend bearing and generator.
Description
Technical field
This utility model relates to a kind of electromotor, is specifically related to a kind of compensation down-hole turbine magneto.
Background technology
The main bugbear that China's Deep Oil And Gas Exploration probing faces is the deviation prevention and fast on high-dip structure stratum, modern drilling Developing Tendency
Gesture is intelligent drilling, abroad facts have proved the modern downhole intelligent such as MWD/LWD, automatic vertical drill system and rotary steering system
Instrument can assist under complex geological condition and realize quick, high-quality and intelligent drilling.Along with present drilling well development need, well
Lower intelligence tool progressively develops into, from simple parameter measurement and signal delivery means, the well that collection is measured, transmitted and be controlled in one
Lower intelligence tool, power consumption constantly increases.At present, underground power supply used power supply is mainly set of cells and down-hole turbine magneto.
Battery power is in the majority with high-performance lithium battery, and set of cells advantage is compact conformation, easy for installation, and reliability is high, exports electric energy
Steadily；Shortcoming is that limited battery capacity and temperature influence are big, and most capacity are only capable of maintenance system and work continuously about 20Oh, and
Along with being continuously increased of well depth, bottom hole temperature (BHT) constantly raises, and set of cells does not the most adapt to down-hole hot environment, current shaft bottom
Having reached about 250 DEG C, the temperature that common batteries group can only be born is about 160 DEG C；That additionally changes that battery causes stops brill and can increase
Add drilling cost, affect efficiency；And easily causing seal leakage, old and useless battery pollutes environment, does not have environment protection significance, with
Time transmitting multiparameter and limited ability during high power transmission, set of cells gradually can not meet requirement.Downhole generator can be effective
Solving the many drawbacks of set of cells, the theoretical use time is unlimited, and external product uses the time also can to decrease to more than 500h continuously
Make a trip expense, improves work efficiency, has only to change minority consumable accessory (such as bearing) during maintenance, reusable, it is provided that
Electrical power is relatively big, high temperature resistant, represents the development trend of measurement technology.At present, the down-hole turbogenerator technology master of maturation is had
If the U.S. and Muscovite well logging service company.And abroad for the key technology of these down-hole turbogenerators with secrecy
Way monopolize international well logging service market, by providing technical service to obtain juice for various countries always.In order to gram
Take China's probing difficult problem and adapt to modern intelligent drilling development trend, developing China's ownization down-hole turbine magneto
The most very urgent.
Summary of the invention
The purpose of this utility model is: provide one can effectively overcome existing lithium battery power supply frequently to change problem, with
And the slurry generator of the hard connecting mode of existing rotary dynamic seal, easily occur revealing and movable sealing such as is easily ground away at unreliable the asking
The compensation down-hole turbine magneto of topic.
The technical solution of the utility model is:
A kind of compensation down-hole turbine magneto, including support, rotating shaft, turbine, electric power controller and end cap, its
It is characterised by: in support, by symmetrically arranged angular contact bearing, rotating shaft is installed, on the inboard wall of base between angular contact bearing
Being provided with stator module, the rotating shaft corresponding with stator module is provided with rotor assembly, the threaded one end of support is provided with power supply
Managing device；The other end screw thread of support is provided with joint；By isolation cover, turbine is installed in the rotating shaft of joint side, isolation
Cover termination is fixed with end cap by bolt and pad；By symmetrically arranged alignment bearing, magnetic is installed between turbine and isolation cover
Mechanical couple outer steel, is provided with magnetic in magnetic coupling between the isolation cover corresponding with magnetic coupling outer steel and rotating shaft
Steel；By piston ring A, counterbalance spring A is installed on the isolation cover of alignment bearing side, on the isolation cover of alignment bearing opposite side
By piston ring B, counterbalance spring B is installed, in the support of described stator module side, is provided with wire, one end of wire with
Electric power controller connects.
On the described rotating shaft end head in isolation cover, deep groove ball bearing is installed.
Described joint and isolation cover are threaded.
It is provided with buckle on described electric power controller.
The beneficial effects of the utility model are:
This compensation down-hole turbine magneto generated output is big, by compensation movable sealing and magnetic couple mechanism,
Make the completely isolated down-hole slurry of rotor magnetic steel, improve electromotor and seal and greasy property, extend bearing and the use of electromotor
Life-span.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, support, 2, rotating shaft, 3, turbine, 4, electric power controller, 5, end cap, 6, angular contact bearing, 7, stator pack
Part, 8, rotor assembly, 9, joint, 10, isolation cover, 11, bolt, 12, pad, 13, alignment bearing, 14, the outer magnetic of magnetic coupling
Steel, 15, magnet steel in magnetic coupling, 16 piston ring A, 17, counterbalance spring A, 18, piston ring B, 19, counterbalance spring B, 20, lead
Line, 21, deep groove ball bearing, 22, circlip, 23, buckle.
Detailed description of the invention
This compensation down-hole turbine magneto includes support 1, rotating shaft 2, turbine 3, electric power controller 4 and end cap 5.
By symmetrically arranged angular contact bearing 6, rotating shaft 2 is installed in support 1, support 1 inwall between angular contact bearing 6 is arranged
Having stator module 7, the rotating shaft 2 corresponding with stator module 7 is provided with rotor assembly 8, the threaded one end of support 1 is provided with power supply
Managing device 4；The other end screw thread of support 1 is provided with joint 9.
Being provided with turbine 3 by isolation cover 10 in the rotating shaft 2 of joint 9 side, isolation cover 10 termination is by bolt 11 and pad
Sheet 12 is fixed with end cap 5, and isolation cover 10 other end is threadeded with joint 9, rotating shaft 2 termination in isolation cover 10 is provided with deep
Ditch ball bearing 21.
By symmetrically arranged alignment bearing 13, magnetic coupling outer steel 14 is installed between turbine 3 and isolation cover 10,
Magnet steel 15 in magnetic coupling is installed between the isolation cover 10 corresponding with magnetic coupling outer steel 14 and rotating shaft 2.Righting axle
Hold and by piston ring A16, counterbalance spring A17, the isolation cover 10 of alignment bearing 13 opposite side are installed on the isolation cover 10 of 13 sides
On by piston ring B18, counterbalance spring B19 is installed.Wire 20 it is provided with in the support 1 of stator module 7 side, wire 20
One end is connected with electric power controller 4.
This compensation down-hole turbine magneto is by isolation cover 10, magnetic coupling outer steel 14 and magnetic coupling
Magnet steel 15 constitutes magnetic coupling；Isolation cover 10 uses pure iron manufacture.Magnetic coupling outer steel 14 fix company internal with turbine 5
Connect, magnet steel 15 and the fixing connection of rotating shaft 21, the circlip 22 arranged on the left of magnet steel 15 in magnetic coupling in magnetic coupling
Formed further fixing with the shaft shoulder on right side, to prevent in magnetic coupling magnet steel 15 to be moved left and right by axial force is excessive.Magnetic force
In bonder outer steel 14 and magnetic coupling, magnet steel 15 has six pairs of magnetic poles, and pole material is samarium cobalt permanent magnet body, it is ensured that
2500Below C does not demagnetizes, and between magnetic pole, the same sex is repelled each other, there is a natural attraction between the sexes, when mud drives turbine 3 and magnetic coupling outer steel 14
Time, in magnetic coupling, magnet steel 15 and rotating shaft 2 are along with synchronous axial system.
This compensation down-hole turbine magneto is by piston ring A16, counterbalance spring A17, piston ring B18 and counterbalance spring
B19 constitutes two groups of compensation movable sealing structures, is full of high temperature grease between two groups of compensation movable sealing structures, and counterbalance spring makes
The pressure reduction 0.3～0.5MPa of liquid inside and outside movable sealing, counterbalance spring effect has 2 points: one is to ensure that the pressure within sealing begins
Eventually higher than outside, prevent mud from entering inside movable sealing, improve bearing service life；Two is leakage and the temperature compensating insulating oil
Difference causes the change of fluid volume.
The right-hand member of electric power controller 4 is closed, operationally to stop mud enter in magnetic coupling magnet steel 15 and turn
In sub-component 8, it is ensured that this downhole generator can normally work under environment under high pressure.Electric power controller 4 right-hand member is provided with buckle 23,
Can be assemblied on different downhole instrument by the model changing buckle 23.
During this compensation down-hole turbine magneto work, when mud drives turbine 3 to rotate, the outer magnetic of magnetic coupling
Steel 14 and then turbine 3 synchronous axial system, the magnetic material same sex is repelled each other, there is a natural attraction between the sexes, and magnetic coupling outer steel 14 is by magnetic force coupling
In clutch, between magnet steel 15, in magnetically-actuated magnetic coupling, magnet steel 15 and connected rotating shaft 2 and rotor assembly 8 rotate, rotor set
Part 8 rotates and forms rotating excitation field, and stator module 7 inner stator winding cutting magnet steel line produces electric energy, and electric energy is transmitted by wire 20
Export to downhole instrument electric energy to electric power controller 4 rectifying and voltage-stabilizing storage simultaneously.
Claims (4)
1. a compensation down-hole turbine magneto, including support (1), rotating shaft (2), turbine (3), electric power controller
And end cap (5) (4), it is characterised in that: by symmetrically arranged angular contact bearing (6), rotating shaft (2), angle are installed in support (1)
It is provided with stator module (7), in the rotating shaft (2) corresponding with stator module (7) on support (1) inwall between contact bearing (6)
Being provided with rotor assembly (8), the threaded one end of support (1) is provided with electric power controller (4)；The other end screw thread of support (1)
Joint (9) is installed；Being provided with turbine (3) by isolation cover (10) in the rotating shaft (2) of joint (9) side, isolation cover (10) is held
Head is fixed with end cap (5) by bolt (11) and pad (12)；Held up by symmetrically arranged between turbine (3) and isolation cover (10)
Positive bearing (13) is provided with magnetic coupling outer steel (14), the isolation cover (10) corresponding with magnetic coupling outer steel (14) and
Magnet steel (15) in magnetic coupling is installed between rotating shaft (2)；Piston is passed through on the isolation cover (10) of alignment bearing (13) side
Ring A(16) counterbalance spring A(17 is installed), by piston ring B(18 on the isolation cover (10) of alignment bearing (13) opposite side) peace
Equipped with counterbalance spring B(19), it is provided with wire (20), the one of wire (20) in the support (1) of described stator module (7) side
End is connected with electric power controller (4).
One the most according to claim 1 compensation down-hole turbine magneto, it is characterised in that: described isolation cover
(10) on rotating shaft (2) termination in, deep groove ball bearing (21) is installed.
One the most according to claim 1 compensation down-hole turbine magneto, it is characterised in that: described joint
And isolation cover (10) is threaded (9).
One the most according to claim 1 compensation down-hole turbine magneto, it is characterised in that: described power supply pipe
It is provided with buckle (23) in reason device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498793.9U CN205663560U (en) | 2016-05-30 | 2016-05-30 | Compensation formula is turbine permanent magnet generator in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620498793.9U CN205663560U (en) | 2016-05-30 | 2016-05-30 | Compensation formula is turbine permanent magnet generator in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663560U true CN205663560U (en) | 2016-10-26 |
Family
ID=57161073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620498793.9U Expired - Fee Related CN205663560U (en) | 2016-05-30 | 2016-05-30 | Compensation formula is turbine permanent magnet generator in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410036A (en) * | 2019-08-12 | 2019-11-05 | 长江大学 | A kind of liquid electromagnetic integral type cutting bed destructor |
| CN113328602A (en) * | 2021-05-25 | 2021-08-31 | 四川天源宏创科技有限公司 | High-power slurry generator for downhole tool |
-
2016
- 2016-05-30 CN CN201620498793.9U patent/CN205663560U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410036A (en) * | 2019-08-12 | 2019-11-05 | 长江大学 | A kind of liquid electromagnetic integral type cutting bed destructor |
| CN110410036B (en) * | 2019-08-12 | 2021-08-10 | 长江大学 | Hydraulic electromagnetic integrated detritus bed destroyer |
| CN113328602A (en) * | 2021-05-25 | 2021-08-31 | 四川天源宏创科技有限公司 | High-power slurry generator for downhole tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20170530 |