CN104811009B - The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser - Google Patents
The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser Download PDFInfo
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- CN104811009B CN104811009B CN201510215304.4A CN201510215304A CN104811009B CN 104811009 B CN104811009 B CN 104811009B CN 201510215304 A CN201510215304 A CN 201510215304A CN 104811009 B CN104811009 B CN 104811009B
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Abstract
The disclosure one wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser, including housing, the wing pendulum, pressure-resistant cabin and under water be plug-in and pull-off device; In housing, central axis is vertically arranged with fixing axle, is additionally provided with some groups of permanent magnets and corresponding insulating support in housing, and housing axial surface is first-class spaced is provided with several rows transverse rotation groove; Wing pendulum includes axle sleeve, sector (-shaped) coil box and some fins, the longitudinal direction of sector (-shaped) coil box is equidistantly provided with some groups of coils, the central angle place of sector (-shaped) coil box is vertically-mounted axle sleeve, axle sleeve is hollow cylindrical and is sheathed on fixing axle by torsionspring, and the rectangular shape of fin and wherein limit are vertically connected to the cambered surface of sector (-shaped) coil box; Pressure-resistant cabin is installed on the bottom in housing, and the junction of pressure-resistant cabin and housing is provided with and namely plugs data storage device under water. The present invention utilizes the standpipe monitoring device of vortex-induced vibration of marine riser self power generation, can be widely applied among the production monitoring of marine riser.
Description
Technical field
The present invention relates to a kind of generating monitoring apparatus, be specifically related to a kind of wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser.
Background technology
Along with mankind's increase to energy demand, forcing people that from land, the exploitation of resource is turned to ocean, the proportion that therefore ocean platform is shared in resource structures becomes larger. The acquisition technique of current seabed resources obtains oil, natural gas typically by drilling well from sea bed, then passes through standpipe and is transported to platform or FPSO, FLNG etc. and is processed and stores. Standpipe has very important effect in whole resource exploitation is processed, and the standpipe as oil-gas transportation life line largely ensure that the exploitation of whole platform and being smoothed out of producing. Consider that marine riser is the flexible structure with large deformation, impact due to the complicated factor such as change in location and vortex-induced vibration of platform, the underwater stress of standpipe, deformation and geometric shape are required for being monitored and make damage forecast, in case there is serious leakage accident. Wherein that standpipe impact is the bigger large scale eddy excited vibration being perpendicular on flow path direction, when there is vortex-induced vibration, standpipe can be of reciprocating vibration in the direction, and the fatigue rupture that vibration causes is the main cause that standpipe destroys. The monitoring method adopted at present is the kinetic characteristic installing a number of monitoring instrument on standpipe to monitor standpipe, obtains the dynamic trait of submerged riser system, reliability, safety by analysis. But monitoring instrument needs the supply of electric power, the data result that monitoring obtains is also required to feed back, so for the monitoring of deep sea vertical pipe, with cable carry out electric power, the transmission of data becomes relatively cumbersome.
In prior art, relevant technology is not had to propose for riser vortex excited vibration generating, the straight-bar that domestic existing vortex-induced vibration TRT is only limitted in common current is subject to the up and down reciprocatingly vibration of water currents generation and generates electricity, and can not meet the urgent needs of standpipe monitoring.
Summary of the invention
Goal of the invention: it is an object of the invention to solve the deficiencies in the prior art, it is provided that a kind of wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser.
Technical scheme: a kind of wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser of the present invention, including housing, the wing pendulum, pressure-resistant cabin and under water be plug-in and pull-off device; Described housing is hollow circular cylinder structure, and in housing, central axis is vertically arranged with fixing axle, is additionally provided with some groups of insulating supports and the permanent magnet being arranged on insulating support in housing, and housing axial surface is first-class spaced is provided with several rows transverse rotation groove; Described wing pendulum includes axle sleeve, sector (-shaped) coil box and some fins, the longitudinal direction of sector (-shaped) coil box is equidistantly provided with some groups of coils, insulating support sequentially passes through each coil support of sector (-shaped) coil box in enclosure interior, the central angle place of sector (-shaped) coil box is vertically-mounted axle sleeve, axle sleeve is hollow cylindrical and is sheathed on fixing axle by torsionspring, the rectangular shape of fin and wherein limit are vertically connected to the cambered surface of sector (-shaped) coil box, fin is provided with several rows perforate, and fin stretches out hull outside by perforate through swivelling chute; Described pressure-resistant cabin is installed on the bottom in housing, and the junction of pressure-resistant cabin and housing is provided with and namely plugs data storage device under water, and pressure-resistant cabin stretches out outside housing by both threads cylinder; The described junction being plug-in and pull-off device under water and being installed on pressure-resistant cabin and hull outside, including data storage device, the SD card being installed on data storage device and conductor, it is connected to the plug-socket of conductor ends, described plug-socket inserts wing pendulum-type vortex-induced vibration of marine riser self power generation monitoring device interface corresponding on housing, electric power data from plug-socket by conductor propagation to SD card.
Above-mentioned housing occurs of reciprocating vibration along with standpipe, torsionspring provide righting moment so that carry out reciprocal relative motion between housing and wing pendulum, and coil around fixing axle cutting magnet (magnetic induction line) and then produces electric current along with wing pendulum.
Further, described housing is by being connected with clamp is fixing between connector with standpipe, and connector is fixed on the lateral wall of housing; Two bottom surfaces up and down of housing are equipped with lid, and the circle centre position of lid is provided with groove, and top and the bottom of axle sleeve are respectively embedded into groove.
Further, described swivelling chute radian is 230��250 ��, and the line number of swivelling chute is 9��11; Fin stretches out hull outside by perforate through swivelling chute, and the number of fin is 6��9, and each fin equidistantly arranges the arc forming 120 �� along sector (-shaped) coil box cambered surface.
Further, described insulating support is �� type, and the middle part segmental arc of the insulating support of �� type has wrapped magnet, and the number of insulating support is 8��10 groups, and insulating support sequentially passes through each coil support of sector (-shaped) coil box in enclosure interior.
The quantity of above-mentioned swivelling chute, insulating support and coil can be determined according to actual power, electrical demand.
Further, described conductor is provided with boss and is fastened in data storage device, one end relative with plug-socket on data storage device is provided with shackle, the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser is provided with wedge-type seal bar, it is provided with compression spring between wedge-type seal bar and housing, wedge-type seal bar is provided with the depression bar just to data storage device;The front end of described plug-socket is provided with chamfering.
Further, it is provided with sealing ring between described conductor and the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser, it is equipped with sealing gasket between depression bar and data storage device and between the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser and data storage device, between wedge-type seal bar and data storage device, is provided with felt circle and sealing gasket.
Further, described pressure-resistant cabin is additionally provided with central processing unit, commutator, booster transformer and accumulator.
Beneficial effect: the present invention is put by the wing and fixes the relative motion of housing, relative motion with moving winding Yu permanent magnet, relative motion and cutting magnetic induction line, thus faradic current can be produced at coil, after carrying out rectification, transformation, accumulator is charged, then passes through data storage device and fast and safely store electric power data accurately and can be adjusted according to the position installed needed for the monitoring instrument such as foil gauge, inclinator.
The present invention is arranged at standpipe, and by being that Monitoring Data is processed and stores by plug-in and pull-off device under water, and extract real-time data are monitored.
The quantity of coil and magnet can be adjusted by the present invention according to actually required power, namely at the height increasing or reducing this device on the length direction of standpipe.
Data storage device in the present invention is provided with shackle and adds the front end of plug-socket and be provided with chamfering, so can be easy to the plug of data storage device.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of middle shell of the present invention;
Fig. 3 is the schematic diagram of magnet and exhausted magnetic support in the present invention;
Fig. 4 is the schematic diagram of wing centre section of the present invention pendulum;
Fig. 5 is the schematic diagram of middle shell lid of the present invention;
Fig. 6 is the schematic diagram of pressure-resistant cabin in the present invention;
Fig. 7 be in the present invention under water be plug-in and pull-off device schematic diagram;
Fig. 8 is charge-discharge control circuit system schematic in the present invention;
Fig. 9 is the present invention and standpipe connection diagram in embodiment.
Detailed description of the invention
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
As shown in Figures 1 to 7, a kind of wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser of the present invention, including housing 1, the wing pendulum 2, pressure-resistant cabin 3 and under water be plug-in and pull-off device 4; Housing 1 is in hollow circular cylinder structure, and in housing 1, central axis is vertically arranged with fixing axle 11, is additionally provided with some groups of permanent magnets 12 and corresponding insulating support 13 in housing 1, and housing 1 axial surface is first-class spaced is provided with several rows transverse rotation groove 14; Wing pendulum 2 includes axle sleeve 21, sector (-shaped) coil box 22 and some fins 23, the longitudinal direction of sector (-shaped) coil box 22 is equidistantly provided with some groups of coils 24, the central angle place of sector (-shaped) coil box 22 is vertically-mounted axle sleeve 21, axle sleeve 21 is sheathed on fixing axle 11 in hollow cylindrical and by torsionspring 25, the rectangular shape of fin 23 and wherein limit are vertically connected to the cambered surface of sector (-shaped) coil box 22, fin 23 is provided with several rows perforate 26, it is simple to fin 23 rotates around housing 1; Pressure-resistant cabin 3 is installed on the bottom in housing 1, and the junction of pressure-resistant cabin 3 and housing 1 is provided with under water i.e. plug data storage device 41, and pressure-resistant cabin 3 stretches out outside housing 1 by both threads cylinder 31; It is that plug-in and pull-off device 4 is installed on pressure-resistant cabin 3 and the junction outside housing 1 under water, including data storage device 41, the SD card 42 being installed on data storage device 41 and conductor 43, it is connected to the plug-socket 44 of conductor 43 end, plug-socket 44 inserts interface corresponding on housing 1, and electric power data is transmitted to SD card 42 from plug-socket 44 by conductor 43.Pressure-resistant cabin 3 is additionally provided with commutator, booster transformer and accumulator.
Housing 1 is by being connected with clamp is fixing between connector 5 and standpipe, and connector 5 is fixed on the lateral wall of housing 1; Two bottom surfaces up and down of housing 1 are equipped with lid 15, and the center of circle of lid 15 goes out to be provided with groove 16, and the top of axle sleeve 21 and bottom stretch out groove 16 respectively, so can ensure that the wing puts 2 stable rotations.
For ensureing sealing property, swivelling chute 14 sealing with scraper ring, swivelling chute 14 radian is 230��250 ��, and the line number of swivelling chute 14 is 9��11; It is outside that fin 23 stretches out housing 1 by perforate 26 through swivelling chute 14, and the number of fin 23 is 6��9, and each fin 23 equidistantly arranges the arc forming 120 �� along sector (-shaped) coil box 22 cambered surface.
Insulating support 13, in �� type, the middle part segmental arc of the insulating support 13 of �� type has wrapped magnet, and the number of insulating support 13 is 8��10 groups, and each coil support that insulating support 13 sequentially passes through sector (-shaped) coil box 22 is internal in housing 1.
Conductor 43 is provided with boss 431 and is fastened in data storage device 41, one end relative with plug-socket 44 on data storage device 41 is provided with shackle 45, the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser is additionally provided with wedge-type seal bar 46, compression spring 48 it is provided with between wedge-type seal bar 46 and housing 1, being provided with the depression bar 47 just to data storage device 41 on wedge-type seal bar 46, the front end of plug-socket 44 is provided with chamfering 49. It is provided with sealing ring between conductor 43 and the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser, it is equipped with sealing gasket between depression bar 47 and data storage device 41 and between the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser and data storage device 41, between wedge-type seal bar 46 and data storage device 41, is provided with felt circle and sealing gasket.
The specific works principle of the present invention is as follows:
As shown in Figure 8, the charge-discharge system of the present invention is: the electric current that vibrating power-generation produces is stored in accumulator after over commutation, then pass through booster transformer to power for monitoring device, and between reorganizer and booster transformer, it is additionally provided with control circuit, owing to the data processors such as central processor CPU are discontinuous operation, control circuit can be powered according to the needs of the data processors such as CPU, when processor does not need work, is stored by electric power. When accumulator is filled with, CPU transfers continuous firing to.
As it is shown in figure 9, when the present invention is connected with standpipe, utilize bolt that connector 5 is tight with clamp bolt, at 0 �� of two groups of clamps and 90 �� of positions, one present invention is respectively installed, namely by two groups of clamps, present invention installation is put in place, and with being fixed on standpipe.
Storage and the exchange of data are realized by plug-socket 44, data are transferred to SD card 42 from plug-socket 44 by conductor 43 and store, this conductor 43 arranges boss 79, ensure when data storage device 41 insertion is extracted, conductor 43 does not separate with data storage device 41, when data storage device 41 inserts, promote depression bar 47, by wedge-type seal bar 46, the power towards jack direction is changed into the power in vertical receptacle direction, pass to wedge-type seal bar 46, correspondingly compression brute spring 48, wedge-type seal bar 46 moves to intracavity, plug-socket 44 is inserted, sealing ring simultaneously, seal and whole device can be carried out watertight with felt circle, when data storage device 41 is extracted, compression spring 48 promotes wedge-type seal bar 46, and wedge shape place is to 47 1 outside active forces of depression bar, and wedge-type seal bar 46 seals simultaneously, carries out the plug-socket 44 being not inserted into new data storage device 41 sealing protection.
The present invention installs after putting in place, no matter ocean current in any direction flows to standpipe, standpipe is bound to vibrate being perpendicular to flow path direction, this vibration passes to housing 1 by clamp, housing 1 vibrates with certain frequency along with standpipe, wing pendulum 2 is bigger because of the acting surface with water, when housing 1 swings, wing pendulum 2 is subject to the viscous effect of water, have hysteresis, such wing pendulum 2 has a differential seat angle before and after standpipe vibration, this differential seat angle is utilized to make wing pendulum coil within 2 carry out relative motion with the permanent magnet 12 within housing 1, the process of this relative motion and cutting magnetic induction line, when standpipe drives housing 1 toward reversal of vibrations, wing pendulum 2 may proceed to rotate a segment distance towards direction before due to inertia, now wing pendulum 2 is put aside maximum with the elastic potential energy of torsionspring 25, the wing is put 2 toward reversely retracting, after so repeatedly moving back and forth, if ocean current flow velocity is constant, then the hunting frequency of wing pendulum 2 is up to consistent with the frequency of vibration of standpipe.
Owing to the speed of ocean current is different, whole flow field is also not necessarily permanent field, the amplitude of fluctuation of wing pendulum 2 generation is also an erratic value, frequency constantly changed also with the time simultaneously, the electric current produced also is the electric current that a frequency, direction are inconsistent, therefore be filtered by rectification circuit, then through transforming circuit, different size of voltage is unified, accumulator is charged. The Monitoring Data processor (referring specifically to the processors such as CPU) of the present invention and circuit are intermittent work, and when battery is full of, control circuit is directly powered to monitor.
Claims (7)
1. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser, it is characterised in that: include housing, the wing pendulum, pressure-resistant cabin and under water be plug-in and pull-off device;
Described housing is hollow circular cylinder structure, and in housing, central axis is vertically arranged with fixing axle, is additionally provided with some groups of insulating supports and the permanent magnet being arranged on insulating support in housing, and housing axial surface is first-class spaced is provided with several rows transverse rotation groove;
Described wing pendulum includes axle sleeve, sector (-shaped) coil box and some fins, the longitudinal direction of sector (-shaped) coil box is equidistantly provided with some groups of coils, insulating support sequentially passes through each coil support of sector (-shaped) coil box in enclosure interior, and the central angle place of sector (-shaped) coil box is vertically-mounted axle sleeve, axle sleeve is hollow cylindrical and is sheathed on fixing axle by torsionspring, the rectangular shape of fin and wherein limit are vertically connected to the cambered surface of sector (-shaped) coil box, fin is provided with several rows perforate, and fin stretches out hull outside by perforate through swivelling chute;
Described pressure-resistant cabin is installed on the bottom in housing, and the junction of pressure-resistant cabin and housing is provided with and namely plugs data storage device under water, and pressure-resistant cabin stretches out outside housing by both threads cylinder;
The described junction being plug-in and pull-off device under water and being installed on pressure-resistant cabin and hull outside, including data storage device, the SD card being installed on data storage device and conductor, it is connected to the plug-socket of conductor ends, described plug-socket inserts wing pendulum-type vortex-induced vibration of marine riser self power generation monitoring device interface corresponding on housing, electric power data from plug-socket by conductor propagation to SD card.
2. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 1, it is characterised in that: described housing is by being connected with clamp is fixing between connector with standpipe, and connector is fixed on the lateral wall of housing; Two bottom surfaces up and down of housing are equipped with lid, and the circle centre position of lid is provided with groove, and top and the bottom of axle sleeve are respectively embedded into groove.
3. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 1, it is characterised in that: described swivelling chute radian is 230��250 ��, and the line number of swivelling chute is 9��11;The number of described fin is 6��9, and each fin equidistantly arranges the arc forming 120 �� along sector (-shaped) coil box cambered surface.
4. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 1, it is characterized in that: described insulating support is �� type, the middle part segmental arc of the insulating support of �� type has wrapped permanent magnet, the number of insulating support is 8��10 groups, and insulating support sequentially passes through each coil support of sector (-shaped) coil box in enclosure interior.
5. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 1, it is characterized in that: described conductor is provided with boss and is fastened in data storage device, one end relative with plug-socket on data storage device is provided with shackle, the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser is provided with wedge-type seal bar, it is provided with compression spring between wedge-type seal bar and housing, wedge-type seal bar is provided with the depression bar just to data storage device; The front end of described plug-socket is provided with chamfering.
6. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 5, it is characterized in that: between described conductor and the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser, be provided with sealing ring, it is equipped with sealing gasket between depression bar and data storage device and between the spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser and data storage device, between wedge-type seal bar and data storage device, is provided with felt circle and sealing gasket.
7. the wing spontaneous power utilization monitoring device of pendulum-type vortex-induced vibration of marine riser according to claim 1, it is characterised in that: described pressure-resistant cabin is additionally provided with central processing unit, commutator, booster transformer and accumulator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215304.4A CN104811009B (en) | 2015-04-30 | 2015-04-30 | The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215304.4A CN104811009B (en) | 2015-04-30 | 2015-04-30 | The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser |
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| CN104811009A CN104811009A (en) | 2015-07-29 |
| CN104811009B true CN104811009B (en) | 2016-06-08 |
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| CN201510215304.4A Expired - Fee Related CN104811009B (en) | 2015-04-30 | 2015-04-30 | The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser |
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| CN106522853B (en) * | 2016-11-02 | 2018-08-17 | 西南石油大学 | A kind of steady pipe group vibrates anti-collision and power generator and method |
| CN106979816B (en) * | 2017-03-09 | 2019-06-21 | 江苏科技大学 | It is a kind of can self power generation encircling type marine riser vibration monitor system |
| CN106936335B (en) * | 2017-05-08 | 2018-07-13 | 中国石油大学(华东) | A kind of rotary type vortex-induced vibration of marine riser collection of energy and restraining device based on dielectric elastomer |
| CN108667345B (en) * | 2018-05-24 | 2019-06-04 | 西南石油大学 | A kind of power generator and method pushing conductor using vibration displacement difference driving liquid stream |
| CN111536236B (en) * | 2020-04-30 | 2021-06-25 | 清华大学 | Intelligent seal ring is used to ocean with from power generation function |
| CN114715365B (en) * | 2022-05-03 | 2023-03-07 | 西南石油大学 | Underwater suspension butterfly type internal wave monitoring and power generation integrated device and method |
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