CN206571617U - Drain part and the generating power downhole unit comprising the drain part - Google Patents
Drain part and the generating power downhole unit comprising the drain part Download PDFInfo
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- CN206571617U CN206571617U CN201621335999.6U CN201621335999U CN206571617U CN 206571617 U CN206571617 U CN 206571617U CN 201621335999 U CN201621335999 U CN 201621335999U CN 206571617 U CN206571617 U CN 206571617U
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- drain part
- flow
- fluid
- blade
- deflector
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Abstract
The utility model discloses a kind of drain part, it is used for drilling well generating power downhole unit, and the drain part is arranged to change the multiple flow-guiding channels for the flow direction for entering the fluid for driving the turbine rotation；In, the drain part includes body and is arranged between multiple flow aprons of the inner body wall, the adjacent flow apron to form the flowing that the flow-guiding channel guides the fluid.The utility model reduces excess impact of the drilling fluid to blade, and most drilling fluid can be made to be collided by water conservancy diversion on impeller blade maximum acting position.
Description
Technical field
The present invention relates to the part of downhole generator and the downhole generator including the part.It belongs to oil equipment skill
Art field, by liquid driven can produce electric energy, and supply underground equipment and use in underground.
Background technology
Drilling engineering is the engineering for the cylindrical orifice that stratum is drilled to certain depth using plant equipment.Main function bag
Include acquisition underground geological material.Core, landwaste, liquid-like, gaseous state sample etc. are taken from drilling well；As geophysics passage,
Obtain the various geophysical informations of ore bed；And tapped ground water resources as prospecting in mining, oil gas, the drilling well of underground heat etc..
And these functions are completed, to use various underground equipments.Such as measurement while drilling, well logging, with bore be oriented to and
Tester.According to field conditions, cable can not be used from surface power supply by having plenty of.Namely need underground power supply used technology.It is existing
All it is being and the safety of battery, operation as the energy with battery, and cost is all problem.
It is safety problem first.Situations such as improper use or accidental impact, can cause battery short circuit, and by chance insurance is lost
In the case of spirit, battery moment produces big calorimetric, and causes blast.Trigger security incident.And the battery used now is in fortune
There is also potential safety hazard during defeated.
Secondly there are Cost Problems.All it is disposable battery because the reason for battery itself can not charge.And one 8 section
Or 10 batteries, more than 100 hour can only be used.The annual country also results in the rising of cost with up to ten thousand batteries.
The problem of last is very serious is problem of environmental pollution.Because containing heavy metal in battery, if at will abandoning, meeting
Serious pollution is caused to environment.And the recycling cost of specialty is high, technical sophistication is dealt with improperly and still easily causes environment
Pollution.
Utility model content
A purpose of the present utility model is to solve deficiency of the prior art there is provided a kind of drain part, and it is used for
Drilling well generating power downhole unit, the drain part, which is defined, to be arranged to change the stream for entering the fluid for driving the turbine rotation
Multiple passages in dynamic direction.
In certain embodiments, multiple passages of the drain part guide the angled driving impeller of the fluid
Blade.
In certain embodiments, the drain part guides the fluid to be driven with vertical angle described in the impeller
Blade.
In certain embodiments, the diversion component includes body and is arranged at multiple water conservancy diversion gear of the inner body wall
Plate.
In certain embodiments, the flow apron be arranged in parallel.
In certain embodiments, the flow-guiding channel that arc is formed between the adjacent deflector guides the stream of the fluid
It is dynamic.
In certain embodiments, the flow-guiding channel is configured as first slowing down the flowing of the fluid again to the fluid
Flowing accelerates.
In certain embodiments, one of the multiple passage by the first deflector first side and second deflector
Second side definition, wherein, the section of the first side is camber line or straight line, and the section of the second side is camber line.
In certain embodiments, the deflector has the section that two camber lines are defined, wherein the first arc curvature of a curve half
Footpath is less than the radius of curvature of the second camber line.
Other side of the present utility model provides a kind of drilling well generating power downhole unit, including turbine generation part, its
The turbine of rotation is driven including the fluid by flowing through generator unit, it includes the foregoing drain part of any one.
A kind of drain part for being arranged on impeller upstream is provided according to underground generator of the present utility model, it passes through
The drilling fluid poured in from generator unit import is subjected to water conservancy diversion, excess impact of the drilling fluid to blade is reduced, and can make
Most drilling fluid is collided on impeller blade maximum acting position by water conservancy diversion.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the drain part according to a kind of embodiment of the present utility model；
Fig. 2 a are the schematic cross-sectional views of the drain part according to a kind of embodiment of the present utility model；
Fig. 2 b are Fig. 2 a partial enlarged drawings；
Fig. 3 a, 3b are the structure schematic cross-sectional view of the drain part according to embodiment of the present utility model respectively；
Fig. 4 a are according to a kind of structure top view of the blade of embodiment of the present utility model；
Fig. 4 b are according to a kind of structural side view of the blade of embodiment of the present utility model；
Fig. 5 is the structure sectional view of the generating power downhole unit according to a kind of embodiment of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and the concrete structure of the part and unit in each embodiment is provided, the utility model made into one
Step description.
The utility model is related to underground generator, for replacing battery to provide power for electric equipment under ground.This hair
Bright mentioned generator unit is mainly vane type generator, by using fluid, and such as drilling fluid drives turbine wheel, whirlpool
Wheel blade wheel drives electric power generating motor cutting magnetic field to produce electric energy.The fluid of driving wheel rotation is typically drilling fluid, and drilling fluid is from brill
Flowed down in bar, the import of self generator is flowed into, and flows downstream to impeller, drives wheel rotation, so that impeller, which drives, rotates hair
Electric notor cutting magnetic line, for example, cut the magnetic field that is formed by magnet steel to produce electric energy.After fluid matasomatism is on impeller, pass through
Deflector, which flows downward to be directed at outside generator unit along the pod apertures being arranged on generator casing, to be continued to flow downward.
During impeller is driven, because substantial amounts of drilling fluid enters from import, and wherein import is generally arranged at hair
The axial location of electric unit, drilling fluid can apply excessive impulsive force to the blade of impeller, when impeller long-play is this
When under state, there is fracture etc. to damage situation during the link position of blade itself and blade and impeller hub.In addition, drilling well
Liquid pours in the blade that drilling fluid can be caused to hit impeller from different directions from import, so that the mechanical efficiency reduction of drilling fluid.
A kind of drain part for being arranged on impeller upstream is provided according to underground generator of the present utility model, it passes through
The drilling fluid poured in from generator unit import is subjected to water conservancy diversion, excess impact of the drilling fluid to blade is reduced, and can make
Most drilling fluid is collided on impeller blade maximum acting position by water conservancy diversion, for example, with vertical angle collisions impeller
Blade.
Fig. 1 is the top view of the drain part according to a kind of embodiment of the present utility model.As shown in figure 1, drain part
100 include cylindrical body 101, abbreviation cylinder, and eight deflector 102a- being arranged on the inwall 101a of cylindrical body
102h.In figure, eight deflector uniform intervals are set, and are arranged in same level height.
Fig. 2 a are the sectional views of the drain element portion according to a kind of embodiment of the present utility model, and cylindrical body 101 has
There is the passage flowed through for drilling fluid, the deflector radially extends to limit drilling fluid F flow direction to axis.For example,
The passage 103a flowed through for drilling fluid is formed between deflector 102a and 102b.The drilling fluid that the passage makes is no longer always along flat
Row and the direction of axis are flowed, but are changed to flow along the direction that adjacent baffle is defined under the limitation of passage.Water conservancy diversion
Channel direction between plate determines the outboard wheel profile of the inner side contour line and another deflector with deflector.For example,
In the embodiment as shown in Fig. 2 a, the contour line in deflector 102a sections is the profile that two arcs are defined, for example, as schemed
Shown in 2b, the radius of curvature of the arc 1022 of opposite side is more than in the radius of curvature of the arc 1021 of side.Such effect is,
The arc of the deflector 102a side with large radius of curvature and the deflector 102b arc with less radius of curvature
The flat curved channel 103a of Shape definition.It can also be formed between other adjacent deflectors and essentially identical logical of passage 103a
Road.
The blade 201 that drilling fluid impacts impeller 200 can be changed by changing the flow direction of drilling fluid, i.e., sent out with blade 201
Direction during raw collision, so as to change the efficiency done work to blade 201.For example, for some blade constructions, drilling fluid can be made
F is with for example substantially vertical angle impacts blade, the workmanship efficiency got a promotion.
Fig. 4 a show the example arrangement of impeller.Reference picture 4a, it has wheel hub 202 and is evenly distributed and is connected to wheel
Blade 201 on the periphery of hub 202,.The quantity of blade is identical with the quantity of the passage 103.The middle part of wheel hub and generator
Main shaft portion is for example coupled by keyway.The solution structure of blade is shown in Fig. 4 b, for example, it can have the transversal of similar wing
Face.Or, it can have the recess in face of passage 103, and the method for the recess and the direction of the passage are almost parallel.
The contour line of deflector can also be set to a part for such as helical curve, so that two adjacent water conservancy diversion
Plate shape is into generally helical passage.The contour line of deflector can also be set to plane, so that two adjacent are led
Plate shape is flowed into the straight channel of almost parallel plane definition.103a, 103b as shown in Figure 3 a.In the embodiment shown in Fig. 3 b,
Section side can also be used for arc, and opposite side is the structure of straight line, such structure can reduce the complexity of processing,
But relatively good drain effect can be reached simultaneously.
Deflector 102a-102h can be attached to cylinder with inseparable, such as it is separately formed after be welded on cylindrical body
On 101, it can be also integrally formed by forging type with cylinder.Deflector can also be designed to separable package assembly, for example
It the mode such as can link by groove, key, screw thread and be fixed on cylinder, it is necessary to when changing, then pull down replacing.
Diversion member 100 can be designed as a part for Power Component, as shown in figure 5, it can be with upper and lower two couplings
Part 21,22 is combined and is tightly connected, and forms the structure of Power Component 10.For example, the cylindrical body of diversion member 100 can be extended to
Impeller 200.So as to surround impeller wheel portion from circumferentially extending.I.e. impeller 200 is partly hidden in the cylindrical body in diversion member downstream
In the cavity of definition.As shown in Figure 5.
The side of the close drilling fluid inlet 300 of the 100 of drain part can set mounting structure 104 for example to be passed to install
The structures such as moving axis 400.As shown in figure 1, mounting hole 102c can be threaded on the end face 102b of cylindrical body 101, and will
End cap 500 is fixed on cylindrical body.Power transmission shaft 400 is typically extended through where the deflector 102a-102h of drain structure 100
Region and such as being coordinated by key, screw thread be engaged coordinating with impeller, power transmission shaft 400 can continue across impeller 200
Coordinate the drive shaft as electric motor units with electric motor units part 600, make the motion of cutting magnetic field under the drive that blade rotates
Produce electrical potential difference.
The power transmission shaft 400 can also only be matched with the impeller wheel portion 200 and the electric motor units 600, and no longer to
Updrift side extends to drain structure.So, the opening on end cap 500 can be arranged on the center of end cap, or in
The opening that heart position is radially extended, such as multiple perforates or fluting.
Generator unit in the utility model can as down-hole power such as battery substitute.It can make in drilling well
Industry starts the preceding power supply for electrical equipment for working and thinking on drilling rod.Work can also be started simultaneously at when drilling rod is started working, and
Desired stable output is obtained by units such as voltage stabilizing, rectifications and it is to use power supply for electrical equipment.Drilling fluid therein uses drilling rod
The middle drilling fluid F used.After guiding of the drilling fluid F by drain structure 100, drilling fluid is divided into what multiply was defined along liquid-conveying ducts
The drilling fluid subflow F1-F8 of direction flowing, each subflow drives impeller to may proceed to flow further downstream after driving wheel rotation again
Into the other parts of drilling rod.
For example, in the embodiment that electric equipment under ground is powered is individually for by generator unit, drilling fluid is by fluid passage
Flow through, the angle impacts impeller being oriented to according to deflector.Impeller seal assembly sealing and it is spacing under, realization is rotated freely.
Then rotated via power transmission shaft and optional transmission device drive motor rotor, cutting magnetic field produces electric energy electric energy and then passed through
Wire is delivered to such as voltage stabilizing rectification unit and used again for downstream electrical equipment.
Due to the particular surroundings of underground.Complete equipment is completely among the parcel of drilling fluid, it is therefore desirable to sealed and anti-
Pressure measure, prevents drilling fluid from leaking into equipment.
Main seal approach：It is to install dynamic sealing device additional in the front and back end of impeller, such as soft packing seal, oil sealing is close
Envelope, labyrinth seal, helixseal, dynamic seal and mechanical seal etc..It is real by applying pressure to two relative sealing planes
Sealing while present high-speed rotation to workpiece.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, it should be understood that be the foregoing is only specific embodiment of the utility model, is not limited to this reality
With new, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be included
Within protection domain of the present utility model.
Claims (8)
1. a kind of drain part, it is used for drilling well generating power downhole unit, it is characterised in that：The drain part is arranged to change
Become the multiple flow-guiding channels for the flow direction for entering the fluid for driving the wheel rotation；Wherein, the drain part includes this
The flow-guiding channel is formed between body and the multiple flow aprons for being arranged at the inner body wall, the adjacent flow apron to draw
Lead the flowing of the fluid.
2. drain part according to claim 1, it is characterised in that：Multiple passages of the drain part guide the stream
The blade of the angled driving impeller of body.
3. drain part according to claim 2, it is characterised in that：The drain part guides the fluid with vertical
Angle drives the blade of the impeller.
4. drain part according to claim 1, it is characterised in that：The flow apron be arranged in parallel.
5. drain part according to claim 1, it is characterised in that：The flow-guiding channel is curved.
6. drain part according to claim 1, it is characterised in that：One of the multiple flow-guiding channel is by the first deflector
First side and the second deflector second side definition, wherein, the section of the first side is camber line or straight line, described
The section of second side is camber line.
7. drain part according to claim 1, it is characterised in that：The deflector has section that two camber lines are defined
Face, wherein the radius of curvature of the first camber line is less than the radius of curvature of the second camber line.
8. a kind of drilling well generating power downhole unit, including turbine generation part, it includes being driven by the fluid for flowing through generator unit
The turbine of rotation, it includes the drain part of any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335999.6U CN206571617U (en) | 2016-12-07 | 2016-12-07 | Drain part and the generating power downhole unit comprising the drain part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335999.6U CN206571617U (en) | 2016-12-07 | 2016-12-07 | Drain part and the generating power downhole unit comprising the drain part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571617U true CN206571617U (en) | 2017-10-20 |
Family
ID=60063924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621335999.6U Active CN206571617U (en) | 2016-12-07 | 2016-12-07 | Drain part and the generating power downhole unit comprising the drain part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219763A (en) * | 2019-06-20 | 2019-09-10 | 广州航海学院 | A kind of power generation pipeline and pipe generator |
| CN111852443A (en) * | 2020-06-11 | 2020-10-30 | 中国海洋石油集团有限公司 | Short section and nearly drill bit measuring device under nearly drill bit measurement |
-
2016
- 2016-12-07 CN CN201621335999.6U patent/CN206571617U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219763A (en) * | 2019-06-20 | 2019-09-10 | 广州航海学院 | A kind of power generation pipeline and pipe generator |
| CN111852443A (en) * | 2020-06-11 | 2020-10-30 | 中国海洋石油集团有限公司 | Short section and nearly drill bit measuring device under nearly drill bit measurement |
| CN111852443B (en) * | 2020-06-11 | 2023-08-11 | 中国海洋石油集团有限公司 | Near-bit measuring lower nipple and near-bit measuring device |
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| GR01 | Patent grant |