CN104500313A - Horizontal axis ocean current power generation device for underwater vehicle - Google Patents
Horizontal axis ocean current power generation device for underwater vehicle Download PDFInfo
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- CN104500313A CN104500313A CN201410593575.9A CN201410593575A CN104500313A CN 104500313 A CN104500313 A CN 104500313A CN 201410593575 A CN201410593575 A CN 201410593575A CN 104500313 A CN104500313 A CN 104500313A
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Abstract
Disclosed is a horizontal axis ocean current power generation device for an underwater vehicle. The horizontal axis ocean current power generation device is symmetrically and fixedly arranged between a front aircraft segment and a middle aircraft segment. Three unfolding mechanisms are evenly distributed and arranged in grooves in the circumference of an impeller shell of a mounting support, and blades at the top ends of the three unfolding mechanisms stretch out of the impeller shell. The unfolding mechanisms are arranged in the grooves in the circumferential surface of the impeller shell; a winding stator of an electric generator is fixedly arranged on a central shaft; the blades are affected by ocean current torque; and the blades, the mounting support and a permanent magnet rotor of the electric generator rotate jointly around the longitudinal axis of the underwater vehicle, and therefore the permanent magnet rotor of the electric generator does the relative motion relative to the winding stator. A magnetic induction line is cut so as to generate induced electromotive force, and therefore kinetic energy of the ocean current is converted into mechanical energy, and then the mechanical energy is converted into electric energy which is supplied to the underwater vehicle to be used. The working time of the underwater vehicle is prolonged, and the cost is saved.
Description
Technical field
The invention belongs to submarine navigation device field, be specifically related to a kind of horizontal axis power generation device from sea current for submarine navigation device.
Background technique
Submarine navigation device is a kind of navigation in sail body under water, comprises manned submarine navigation device and UAV navigation, and it can complete the tasks such as underwater exploration, detecting or even military attack defence.Submarine navigation device has that the sphere of activities is large, diving depth is dark, can enter in labyrinth, do not need the advantages such as huge water surface support, also has cost and maintenance cost is low, can reuse, throw in and reclaim the features such as convenient, flying power is long.Ocean development become more and more important present, submarine navigation device more and more obtains the attention of every country, is no matter civilian or use in army, all plays important role.
The energy plays conclusive effect to the long-time continuous operation under water of submarine navigation device and execution remote task ability.Current submarine navigation device both domestic and external is powered primarily of on-board batteries, but volume size, weight limits, the working life of submarine navigation device and action range, cannot meet carry a large amount of detection, communication apparatus long under water time continuous operation demand.If can make full use of the energy contained in ocean, solving the energy resource supply problem of submarine navigation device, will be the important breakthrough of submarine navigation device energy resource supply.
Be richly stored with in ocean renewable energy sources, inexhaustible.At present both at home and abroad ocean energy technology mainly appears at commercial field, business development to improve generating efficiency and power for research emphasis, cause relevant power generating equipment rated power and size general comparatively greatly, be not suitable for being used on submarine navigation device.As " sea snake " Wave power generation device of Britain's up-to-date development in 2009, its length reaches 150 meters.As the Seafow energy by ocean current power generation system that underwater turbine company of Britain in 2003 builds up, generated output is 300kW, and the diameter of its impeller just reaches 11 meters.
In order to solve submarine navigation device energy recharge problem, at present both at home and abroad associated mechanisms, scholar have carried out a large amount of research work, but mainly concentrate on the application study of the environmental energy technology such as thermal gradient energy, solar energy, rolling kinetic energy under water in aircraft.
Wang Yanhui, Wang Shuxin, Xie Chungang discloses the application of thermal gradient energy in " underwater glider dynamic analysis and design based on the temperature difference energy " literary composition of University Of Tianjin's journal 02 phase in 2007, submarine navigation device mainly through carrying out sawtooth motion in ocean, pass through the sea water layer of different temperature, utilize cold and hot exchange principle to warm up the temperature difference between water layer and cold water layer from ocean and obtain energy, but energy conversion efficiency is lower, and have strict restriction to its running orbit.
Komerska, R.J.Chappell S.G. discloses the application of solar energy in " A SimulationEnvironment for Testing and Evaluating Multiple Cooperating Solar-powered UUVs " literary composition of OCEANS meeting in 2006, by submarine navigation device profile is changed over tablet, solar panel is set up on its surface, and obtain energy at approximately level absorption solar energy, although energy conversion efficiency is higher, but it is larger by weather effect, and need to carry out special transformation to navigation profile, be not suitable for conventional subsea launcher and carry out underwater emission.
Be in the innovation and creation of 102705139A at publication number, disclose a kind of solid of rotation submarine navigation device electricity generating device.This device is swung by the inertia pendulum that ocean disturbance causes and mass block moves the rolling kinetic energy collecting aircraft, but rolling kinetic-energy power generator is placed in aircraft, and directly do not contact with ocean, its transformation efficiency is low.
For this reason, further investigation submarine navigation device new energy source technology must be studied further.Energy by ocean current is the steady and kinetic energy of regular flowing of seawater, and energy by ocean current has: regular measurable, hardly by the impact of weather; Energy density is large; Under electricity generating device is placed in sea, by the feature that Lidar Equation is little.If the ocean current under environment residing for aircraft can be collected and convert electric energy to, so by solving the problem of energy resource supply under water of submarine navigation device, improve its bottom time.
Summary of the invention
In order to overcome, the energy conversion efficiency existed in prior art is lower, running orbit has strict restriction and be not suitable for the deficiency that conventional subsea launcher carries out underwater emission, the present invention proposes a kind of horizontal axis power generation device from sea current for submarine navigation device.
Submarine navigation device of the present invention comprises aircraft leading portion, aircraft stage casing and aircraft back segment, is prior art.The present invention also comprises a horizontal axis power generation device from sea current, and:
A. described horizontal axis power generation device from sea current symmetry is fixedly mounted between aircraft leading portion and aircraft stage casing; Described aircraft middle housing outer surface is evenly equipped with three grooves respectively; The cross section of groove is arc, for receiving the blade of power generation device from sea current;
B. described horizontal axis power generation device from sea current, comprises electricity generating device mounting bracket, three blades, three cover development mechanisms and generator compositions.Wherein mounting bracket is by impeller housing, front shroud and back shroud.
Described mounting bracket suit on center shaft.Described three development mechanisms are uniformly distributed and in the impeller housing being arranged on described mounting bracket groove circumferentially, and the blade being positioned at each development mechanism top is stretched out outside impeller housing.Described vane hinge is on the auricle of described front shroud.Described generator is arranged on described central shaft, and described front shroud and back shroud lay respectively at the two ends of generator, and is arranged on described central shaft by bearing.
Described three development mechanisms include connecting rod, propulsion electric machine, ball screw and feed screw nut.Described development mechanism is arranged in the groove of described impeller housing circumferential surface.Connecting rod one end of described development mechanism and feed screw nut hinged, the other end and vane hinge.The propulsion electric machine of described development mechanism is fixedly mounted on the internal surface of back shroud; This propulsion electric machine output shaft surface Machining has screw thread, forms the ball screw of development mechanism.The other end of described ball screw is arranged on front shroud by bearing.The feed screw nut of described development mechanism is sleeved on described ball screw.
The two ends of described impeller housing are separately installed with front shroud and back shroud, in impeller housing, define enclosed space.The external diameter of impeller housing is identical with the external diameter of aircraft.The circumferential surface of impeller housing has the step groove of three axial distribution, and the bottom of this step groove is used for laying development mechanism, and the top of this step groove is for receiving blade.
Described generator is embedded integration permanent magnet generator, and voltage rating is 24V, comprises permanent magnet rotor and wound stator.In described permanent magnet rotor, the number of pole-pairs of magnetic pole is 8.This permanent magnet rotor is fixedly connected with back shroud with front shroud respectively, and together rotates with the impeller housing in mounting bracket, front shroud, back shroud and development mechanism.Described wound stator coiling adopts Y shape, double-deck whole apart from lap wound connection.Parallel branch number on wound stator is 1, and groove number is 48, and coil pole span is 3, and coil pitch is 3.Described wound stator fixed installation on center shaft.
One end of described central shaft and the center hole of aircraft leading portion one end end face are connected, and the other end of this central shaft and the center hole of one end, aircraft stage casing end face are connected.
The object of the invention is to solve submarine navigation device energy recharge problem, extend bottom time.Owing to this invention takes abovementioned technology, achieve significant effect.
When submarine navigation device is in resident state, the anchor chain of submarine navigation device leading portion and aircraft back segment drops into seabed, makes aircraft horizontal stable resident, keeps electricity generating device impeller axis horizontal.Propulsion electric machine drives ball screw to rotate, and makes feed screw nut axially mobile along ball screw, promotes blade and launch in umbrella frame shape outside aircraft, form horizontal axis power generation device from sea current by connecting rod.Blade be subject to ocean current moment loading in, the permanent magnet rotor of blade, mounting bracket and generator together rotates around submarine navigation device longitudinal axis, the permanent magnet rotor of generator is done relative motion relative to wound stator, cutting magnetic induction line, thus generation induction electromotive force, thus be mechanical energy by the kinetic transformation of ocean current, then be electric energy by changes mechanical energy, for submarine navigation device.
This is for the horizontal axis electricity generating device of solid of rotation submarine navigation device, and controllability is strong, transformation efficiency is high, and monnolithic case is cylindrical, compact structure, can be used as separate modular and directly loads on revolution build submarine navigation device; Ocean current kinetic transformation is the electric energy for submarine navigation device by this device, fundamentally solves the energy resource supply problem of submarine navigation device.
Accompanying drawing explanation
Fig. 1 is the structural representation after development mechanism of the present invention is packed up,
Fig. 2 is the structural representation after development mechanism of the present invention is opened;
Fig. 3 is the structural representation of the aircraft having horizontal axis power generation device from sea current;
Fig. 4 is the schematic diagram that power generation device from sea current coordinates with aircraft, and wherein 4a is axonometric drawing, and 4b is the enlarged view of 4a, and 4c is the sectional view of 4a;
Fig. 5 is the structural representation of power generation device from sea current, and wherein 5a is plan view; 5b is axonometric drawing, and 5c is the enlarged view of 5b;
Fig. 6 is power generation device from sea current internal structure schematic diagram, and wherein 6a is axonometric drawing, and 6b is the enlarged view of 6a, and 6c is the sectional view of 6b;
Fig. 7 is the structural representation of driving mechanism, and wherein 7a is axonometric drawing, and 7b is the worm's eye view of 7a;
Fig. 8 is the structural representation of front shroud;
Fig. 9 is the structural representation of back shroud;
Figure 10 is the structural representation of impeller housing;
Figure 11 is the structural representation of blade.
In figure: 1. aircraft leading portion; 2. horizontal axis power generation device from sea current; 3. groove; 4. aircraft stage casing; 5. aircraft back segment; 6. fin rudder; 7. anchor chain; 8. blade; 9. front shroud; 10. central shaft; 11. impeller housings; 12. generators; 13. back shrouds; 14. propulsion electric machines; 15. ball screws; 16. feed screw nuts; 17. connecting rods; 18. wound stator; 19. permanent magnet rotor; 20. bearings.
Embodiment
The present embodiment is a kind of horizontal axis power generation device from sea current for solid of rotation submarine navigation device.
The present embodiment is arranged on submarine navigation device, and described submarine navigation device adopts prior art, comprises aircraft leading portion 1, aircraft stage casing 4, aircraft back segment 5, fin rudder 6 and anchor chain 7.Aircraft leading portion 1, aircraft stage casing 4, aircraft back segment 5 are solid of rotation.Between described aircraft leading portion 1 and aircraft stage casing 4, horizontal axis power generation device from sea current 2 is installed, between described aircraft leading portion 1 and aircraft stage casing 4, adopts nut to be coaxially connected by horizontal axis 10.
Described aircraft stage casing 4 housing outer surface is evenly equipped with three grooves 3 respectively, interval 120o between adjacent grooves 3.The cross section of groove 3 is rectangle, and for receiving blade 8, groove 3 length and width, slightly larger than the length and width of blade 8, make blade 8 can fit with within the scope of housing outer diameter, to reduce resistance suffered by aircraft.
Be provided with anchor chain 7 at aircraft leading portion 1 and aircraft back segment 5, when aircraft is resident, throw in anchor chain 7, enable aircraft level resident and keep stable, and making horizontal axis power generation device from sea current impeller axis maintenance level.
Described horizontal axis power generation device from sea current 2, forms primarily of electricity generating device mounting bracket, three blade 8, three cover development mechanisms and generator 12.Wherein mounting bracket is made up of impeller housing 11, front shroud 9 and back shroud 13.
Described mounting bracket, between aircraft leading portion 1 and aircraft stage casing 4, is set with on the center shaft 10 by bearing 20, and can rotate around described central shaft 10.Described three development mechanisms are uniformly distributed and in the impeller housing 11 being arranged on described mounting bracket groove circumferentially, and the blade 8 being positioned at each development mechanism top is stretched out outside impeller housing 11.Described blade 8 by hinge on the auricle of described front shroud 9.One end of described central shaft 10 loads in the center hole of aircraft leading portion 1 one end end face, and the other end of this central shaft 10 loads in the center hole of one end, aircraft stage casing 4 end face.Be set with set screw nut at the two ends of described central shaft 10, thus described aircraft leading portion 1 and aircraft stage casing 4 are connected.Described generator 12 is arranged on described central shaft 10, and described front shroud 9 and back shroud 13 lay respectively at the two ends of generator 12, and is arranged on described central shaft 10 by bearing 20.
Described three development mechanisms include connecting rod 17, propulsion electric machine 14, ball screw 15 and feed screw nut 16 and form.Described development mechanism is arranged in the groove circumferentially of described impeller housing 11.Connecting rod 17 one end of described development mechanism by hinge on feed screw nut 16, the other end by hinge on the auricle of blade 8.The propulsion electric machine 14 of described development mechanism adopts linear stepping motor of the prior art, is fixedly mounted on the internal surface of back shroud 13, and this propulsion electric machine output shaft surface Machining has screw thread, forms the ball screw 15 of development mechanism.The other end of described ball screw 15 is arranged on front shroud 9 by bearing.The feed screw nut 16 of described development mechanism is sleeved on described ball screw 15.Described feed screw nut 16 is made up of screw shell and installing web plate.Described installing web plate has a through hole, by bearing pin and connecting rod 17 hinged.
Impeller housing 11 in described mounting bracket is cylindrical shape, is separately installed with front shroud 9 and back shroud 13, in impeller housing, defines enclosed space at the two ends of this impeller housing.The external diameter of impeller housing 11 is identical with the external diameter of aircraft.
The circumferential surface of the impeller housing 11 residing for each development mechanism has the step groove of three axial distribution, and the bottom land of this step groove is U-shaped, forms the space for laying development mechanism; The top of this step groove is arc, identical with the sectional shape of the groove 3 on aircraft stage casing 4, and jointly constitutes the accommodating groove of each blade 8 with the groove 3 in each section of aircraft; The boundary dimension of described accommodating groove and the cross-sectional dimension of blade 8 adapt, and when each blade 8 is regained, embed in this accommodating groove.The centerline parallel of described accommodating groove length direction center line and impeller housing 11.
Described front shroud 9 is Thin ring plate, is evenly equipped with tapped hole in the outer rim on described front shroud 9 surface, and it act as sealing impeller housing 11.The through hole installing ball screw 15 is had at the center of described front shroud 9.Be evenly equipped with three auricles in an end face outer rim of described front shroud 9, by bearing pin, blade 8 be hinged on this auricle.Described front shroud 9 is set with on the center shaft 10 by bearing 20.
Described back shroud 13 is Thin ring plate, and the outer rim on cover plate 13 surface is evenly equipped with tapped hole in the rear, and it act as sealing impeller housing 11, and described back shroud 13 is installed with propulsion electric machine 14.Back shroud 13 circumference has the gap identical with accommodating groove simultaneously.Described back shroud 13 is set with on the center shaft 10 by bearing 20.
Described blade 8 adopts NACA aerofoil profile.The root of described blade 8 is hinged by the auricle on bearing pin and front shroud 9.Blade 8 is fixedly connected with an auricle on the blade face of root, by bearing pin and connecting rod 17 hinged.To launch in umbrella frame shape at the driving effect lower blade 8 of development mechanism.
Described generator 12 is embedded integration permanent magnet generator, and voltage rating is 24V, is made up of permanent magnet rotor 19, wound stator 18.In described permanent magnet rotor 19, magnetic pole adopts NdFeB33UH magnet steel, and number of pole-pairs is 8.This permanent magnet rotor 19 has front shroud 9 and back shroud 13 to fixedly mount by the tapped hole of end face respectively, together can rotate with the impeller housing 11 in mounting bracket, front shroud 9, back shroud 13 and development mechanism.
Described wound stator 18 coiling adopts Y shape, double-deck whole apart from lap wound connection.Parallel branch number on wound stator 18 is 1, and groove number is 48, and coil pole span is 3, and coil pitch is 3.Armature stamping on wound stator 18 adopts 35W310 material.Described wound stator 18 fixedly mounts on the center shaft 10.
When permanent magnet rotor 19 is together rotated with electricity generating device support, cutting wound stator 18, thus produce induction electromotive force.
During work, when submarine navigation device is in resident state, submarine navigation device leading portion 1 drops into seabed with the anchor chain 7 of aircraft back segment 5, makes aircraft horizontal stable resident, keeps electricity generating device impeller axis horizontal.Propulsion electric machine 14 drives ball screw 15 to rotate, and feed screw nut 16 is moved axially along ball 15 leading screw, promotes blade 8 and launches in umbrella frame shape outside aircraft, form horizontal axis power generation device from sea current by connecting rod 17.Blade 8 be subject to ocean current moment loading in, the permanent magnet rotor 19 of blade 8, mounting bracket and generator 12 together rotates around submarine navigation device longitudinal axis, the permanent magnet rotor 19 of generator 12 is done relative motion relative to wound stator 18, cutting magnetic induction line, thus generation induction electromotive force, thus be mechanical energy by the kinetic transformation of ocean current, then be electric energy by changes mechanical energy, for submarine navigation device.
Claims (5)
1., for a horizontal axis power generation device from sea current for submarine navigation device, described submarine navigation device adopts prior art, comprises aircraft leading portion, aircraft stage casing and aircraft back segment; Aircraft leading portion, aircraft stage casing, aircraft back segment are solid of rotation; It is characterized in that, also comprise a horizontal axis power generation device from sea current, and:
A. described horizontal axis power generation device from sea current symmetry is fixedly mounted between aircraft leading portion and aircraft stage casing; Described aircraft middle housing outer surface is evenly equipped with three grooves respectively; The cross section of groove is arc, for receiving the blade of power generation device from sea current;
B. described horizontal axis power generation device from sea current, comprises electricity generating device mounting bracket, three blades, three cover development mechanisms and generator compositions; Wherein mounting bracket is by impeller housing, front shroud and back shroud;
Described mounting bracket suit on center shaft; Described three development mechanisms are uniformly distributed and in the impeller housing being arranged on described mounting bracket groove circumferentially, and make the blade being positioned at each development mechanism top stretch out outside impeller housing; Described vane hinge is on the auricle of described front shroud; Described generator is arranged on described central shaft, and described front shroud and back shroud lay respectively at the two ends of generator, and is arranged on described central shaft by bearing.
2. as claimed in claim 1 for the horizontal axis power generation device from sea current of submarine navigation device, it is characterized in that, described three development mechanisms include connecting rod, propulsion electric machine, ball screw and feed screw nut; Described development mechanism is arranged in the groove of described impeller housing circumferential surface; Connecting rod one end of described development mechanism and feed screw nut hinged, the other end and vane hinge; The propulsion electric machine of described development mechanism is fixedly mounted on the internal surface of back shroud; This propulsion electric machine output shaft surface Machining has screw thread, forms the ball screw of development mechanism; The other end of described ball screw is arranged on front shroud by bearing; The feed screw nut of described development mechanism is sleeved on described ball screw.
3. as claimed in claim 1 for the horizontal axis power generation device from sea current of submarine navigation device, it is characterized in that, the two ends of described impeller housing are separately installed with front shroud and back shroud, in impeller housing, define enclosed space; The external diameter of impeller housing is identical with the external diameter of aircraft; The circumferential surface of impeller housing has the step groove of three axial distribution, and the bottom of this step groove is used for laying development mechanism, and the top of this step groove is for receiving blade.
4. as claimed in claim 1 for the horizontal axis power generation device from sea current of submarine navigation device, it is characterized in that, described generator is embedded integration permanent magnet generator, and voltage rating is 24V, comprises permanent magnet rotor and wound stator; In described permanent magnet rotor, the number of pole-pairs of magnetic pole is 8; This permanent magnet rotor is fixedly connected with back shroud with front shroud respectively, and together rotates with the impeller housing in mounting bracket, front shroud, back shroud and development mechanism; Described wound stator coiling adopts Y shape, double-deck whole apart from lap wound connection; Parallel branch number on wound stator is 1, and groove number is 48, and coil pole span is 3, and coil pitch is 3; Described wound stator fixed installation on center shaft.
5. as claimed in claim 1 for the horizontal axis power generation device from sea current of submarine navigation device, it is characterized in that, one end of described central shaft and the center hole of aircraft leading portion one end end face are connected, and the other end of this central shaft and the center hole of one end, aircraft stage casing end face are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593575.9A CN104500313B (en) | 2014-10-29 | 2014-10-29 | Horizontal axis ocean current power generation device for underwater vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593575.9A CN104500313B (en) | 2014-10-29 | 2014-10-29 | Horizontal axis ocean current power generation device for underwater vehicle |
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| Publication Number | Publication Date |
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| CN104500313A true CN104500313A (en) | 2015-04-08 |
| CN104500313B CN104500313B (en) | 2017-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681827A (en) * | 2017-10-13 | 2018-02-09 | 威海职业学院 | For underwater glider or the water stream power generation system of hybrid power glider |
| CN110985268A (en) * | 2019-11-05 | 2020-04-10 | 浙江大学 | Horizontal shaft ocean current power generation device for underwater vehicle |
| CN112977773A (en) * | 2021-03-02 | 2021-06-18 | 西北工业大学 | Unmanned autonomous underwater vehicle capable of generating power by utilizing tidal current energy |
| CN117864321A (en) * | 2024-01-15 | 2024-04-12 | 天津大学 | Unmanned water surface vehicle based on wave energy power generation device and control method |
-
2014
- 2014-10-29 CN CN201410593575.9A patent/CN104500313B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681827A (en) * | 2017-10-13 | 2018-02-09 | 威海职业学院 | For underwater glider or the water stream power generation system of hybrid power glider |
| CN107681827B (en) * | 2017-10-13 | 2024-01-02 | 威海职业学院 | Water flow power generation system for underwater glider or hybrid glider |
| CN110985268A (en) * | 2019-11-05 | 2020-04-10 | 浙江大学 | Horizontal shaft ocean current power generation device for underwater vehicle |
| WO2021022980A1 (en) * | 2019-11-05 | 2021-02-11 | 浙江大学 | Horizontal axis marine current power generation apparatus for underwater vehicle |
| US11215160B2 (en) | 2019-11-05 | 2022-01-04 | Zhejiang University | Horizontal-axis ocean current power generation device for underwater vehicle |
| CN112977773A (en) * | 2021-03-02 | 2021-06-18 | 西北工业大学 | Unmanned autonomous underwater vehicle capable of generating power by utilizing tidal current energy |
| CN117864321A (en) * | 2024-01-15 | 2024-04-12 | 天津大学 | Unmanned water surface vehicle based on wave energy power generation device and control method |
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| CN104500313B (en) | 2017-02-15 |
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