CN1563698A

CN1563698A - Self-adaptive current power generation unit on seabed

Info

Publication number: CN1563698A
Application number: CNA2004100106248A
Authority: CN
Inventors: 张雪明; 丁永跃; 徐明奇; 张达
Original assignee: 张雪明
Priority date: 2004-01-13
Filing date: 2004-01-13
Publication date: 2005-01-12
Anticipated expiration: 2024-01-13
Also published as: CN1280539C

Abstract

The electricity generating apparatus is composed of the dynamo shell the motor and stator, the stator and the coil of the disk generator is on the bottom of the taper shell, which installed on the thick disk chassis connect with taper chassis, the rotor is fixed on the taper shell, the rotor shaft connect with the annularity floatage rotor through flexible shaft, the generator rotor is permanent magnet with unguiform magnetic pole, the sand preventing rotor shaft is at the top of the taper shell, the foam floatage obturator hub rotate hob is on the middle of the annularity floatage rotor, with many blades and dentate cut to protect from dragnet destruction.

Description

Sea bed base self adaption power generation device from sea current

Technical field

The invention belongs to technical field of generators, be specifically related to a kind of sloped footing oneself that utilizes and adjust the position utilizes current power generation in the seabed generator, international Patent classificating number: F03B 13/00.

Background technique

At present, ocean development is a very promising cause, along with being in full swing of marine monitoring work, more and more comes into one's own based on the monitoring of sea bed based platform under water in the three-dimensional real-time detecting system in ocean.This is because sea bed base instrument system has long-time, the round-the-clock data characteristic of obtaining continuously, current any other marine monitoring mode can't be compared, and particularly the application aspect the related seabed engineering of the further development and use in ocean, relevant pollution deposit process and migration rule, ocean current integrated data and living marine resources distribution and some national defence is all significant.Because laying and reclaiming of sea bed based platform is costly, realize that primary what solve is exactly energy supplementary question to the normal operation of long-time observation system, the supplementary question that solves the instrument energy under water is not only particularly outstanding but also quite urgent.Each input of sea bed base instrument and the required operating cost of renewal power supply unit are very big, and several ten thousand yuan at least, tens0000 yuan at most; Reclaiming and again in the launch process, because of the weather reason has also strengthened the possibility that produces accidental destruction and has thrown in difficulty, utilize seabed current supply cable transmission of electricity only to be adapted to, and, be damaged especially easily because water channel is shallow, environment is abominable apart from the flourishing coastal waters of electrical network; Obtain from the sea electric energy also meet facing the wind wave destruction, line loss, reliability low, be difficult to the puzzlement of insurmountable problem such as hidden.Therefore from the working environment of sea bed base instrument and equipment, can only be conceived to obtain ocean energy it is changed into electric energy from the seabed.

Summary of the invention

The purpose of this invention is to provide a kind of generator sloped footing that can rely in the seabed and have adaptive adjustment capability, utilize the generator of current power generation.

Technological scheme of the present invention is: generator is made up of generator outer cover, generator amature and generator unit stator, described generator outer cover is taper, at taper outer cover foot is the stator and the winding of disk generator, is placed on the thick disk base, has vent and filter screen on the base; The thick disk base is thrown in base with taper and is linked to each other; In the taper outer cover by on magnetic thrust-bearing and following magnetic thrust-bearing be fixed with generator amature, generator rotor shaft links to each other with annular buoyancy rotor by flexible drive shaft, in the outside of two upper and lower magnetic thrust-bearings graphite bearing is installed respectively; Described generator amature is a permanent magnet, has many to the claw-like magnetic pole at its edge; Top at the taper outer cover seals generator rotor shaft by the sand prevention seal ring; In generator thick disk chassis outer side automatically controlled release suspension ring are installed; Rectification and Voltage stabilizing module and antiwind output cable are installed in the outside of taper outer cover; Described annular buoyancy rotor middle part is that foam buoyancy obturator changes hub, on the commentaries on classics hub a plurality of blades is arranged, and at commentaries on classics hub front end the profile of tooth cutting knife that anti-trawlnet destroys is installed.

Good effect of the present invention is: because the taper floatage body in the middle of the rotor has enough buoyancy in water, following current is swung on one side and is made rotor plane of rotation subtend ocean current to obtain the generating of ocean current kinetic energy to greatest extent as far as possible automatically; Three toothed blade can be cut off the trawlnet nettle when running into trawlnet destruction, the sweepback rotor also has anti-fishing net effect; The transmission cable helical that has elasticity and high strength crust guarantees the reliability of power transmission cable, so the utlity model has stable performance, adapt to abominable marine site

Description of drawings

Fig. 1 is a structural representation of the present invention.

Embodiment

As shown in Figure 1, generator of the present invention is made up of generator outer cover 7, generator amature 11 and generator unit stator 12, described generator outer cover 7 is taper, in taper outer cover bottom is the stator 12 and the winding of disk generator, be placed on the thick disk base 14, have vent 15 and filter screen on the base 14, its effect is the inside and outside pressure of balanced generator; The taper that thick disk base 14 and weight are bigger is thrown in base 18 and is linked to each other; In taper outer cover 7 by on magnetic thrust-bearing 6 and following magnetic thrust-bearing 13 be fixed with generator amature 11, generator rotor shaft 10 links to each other with annular buoyancy rotor 1 by flexible drive shaft 3, respectively be equipped with in the outside of two upper and lower magnetic thrust-bearings graphite bearing 5,5 '; Described generator amature 11 is a permanent magnet, and 54 pairs of claw-like magnetic poles are arranged at its edge; Top at taper outer cover 7 seals generator rotor shafts 10 by sand prevention seal ring 4, and the buoyancy that the rotor floatage body produces is in order to alleviate the load of magnetic bearing 13 down; In generator thick disk base 14 outsides 3 automatically controlled release suspension ring 16 are installed; Rectification and Voltage stabilizing module 9 and output cable 17 are installed in the outside of taper outer cover 7, and output cable 17 is drawn for the transmission cable helical that has elasticity and high strength crust; Described annular buoyancy rotor 1 middle part is that foam buoyancy obturator changes hub 19, on the commentaries on classics hub 8 blades is arranged, and it is shaped as sweepback; Changeing the profile of tooth cutting knife 2 that hub 19 front ends are equipped with 3 anti-trawlnets destructions, taper is thrown in base 18 and is made by reinforced concrete.

The generator amature blade rotates under water impact and drives generator amature by flexible drive shaft and rotates generating.Because the taper floatage body in the middle of the rotor has enough buoyancy in water, when not having big ocean current and impact rotor under buoyancy function almost be not stand upside down vertical, in case when having big ocean current to impact rotor just automatically following current swing on one side and make rotor plane of rotation subtend ocean current as far as possible to obtain ocean current kinetic energy to greatest extent.The electric energy that the major diameter disk generator produces becomes galvanic current to the charge in batteries of instrument under water after the rectifying and voltage-stabilizing resume module.

Three toothed blade 2 of sweepback rotor blade and its front portion can be cut off the trawlnet nettle when running into trawlnet destruction, the sweepback rotor also has anti-fishing net effect; The fine sand that sand prevention seal ring 4 is used for anti-sealing enters in the generator; The effect of last magnetic thrust-bearing 6 is to run into ocean current at rotor 1 to spring up that generator amature 11 is unlikely under flexible drive shaft 3 pullings when impacting contacts with generator casing 7 generations; Dose the organotin slow-releasing agent that prevents that marine organisms from adhering in the foam-filled floatage body 8 of generator permanent magnet rotor 11 simultaneously, in generator, slowly discharge to prevent the marine organisms growth.The magnetic thrust-bearing 13 of generator amature 11 bottoms and rotor floatage body together support generator amature 11 make generator amature 11 bottoms not produce contact friction in vertical direction, to guarantee minimum energy loss.Two cover graphite bearing groups 5,5 ' not only can also not made the oiling agent of axle with seawater by seawater corrosion up and down; Generator thick disk base 14 is made by composite material, and enough rigidity are arranged, and does not produce distortion in order to guarantee major diameter generator unit stator 12, and it is again the connecting body of the bigger taper cement base 18 of generator and weight simultaneously; Heavy weight taper reinforcing bar cement base 18 can utilize in several ocean current periods of change when throwing in that the tip is very long on the hard mud layer of seabed windingly to be gone out a round pool and be adjusted to perpendicular attitude gradually, has adaptive ability.For pressure inside and outside the balancing generator, prevent the destruction of seabed portion high pressure to generator, be with filter screen and anti-marine organisms to adhere to the balancing orifice of slowly-releasing medicine so in generator base and flexible drive shaft, all have; The transmission cable helical that has elasticity and high strength crust is drawn, and the electric energy that the underwater power generation machine is sent outputs under water in the instrument.

Claims

1, a kind of sea bed base self adaption power generation device from sea current, formed by generator outer cover (7), generator amature (11) and generator unit stator (12), it is characterized in that: described generator outer cover (7) is taper, at taper outer cover (7) foot is the stator (12) and the winding of disk generator, be placed on the thick disk base (14), have vent (15) and filter screen on the base (14); Thick disk base (14) is thrown in base (18) with taper and is linked to each other; In taper outer cover (7), be fixed with generator amature (11) by last magnetic thrust-bearing (6) and following magnetic thrust-bearing (13), generator rotor shaft (10) links to each other with annular buoyancy rotor (1) by flexible drive shaft (3), and graphite bearing (5,5 ') respectively is installed in the outside of two upper and lower magnetic thrust-bearings; Described generator amature (11) is a permanent magnet, has many to the claw-like magnetic pole at its edge; Top at taper outer cover (7) seals generator rotor shaft (10) by sand prevention seal ring (4); In generator thick disk base (14) outside automatically controlled release suspension ring (16) are installed; Rectification and Voltage stabilizing module (9) and antiwind output cable (17) are installed in the outside of taper outer cover (7); Described annular buoyancy rotor (1) middle part is that foam buoyancy obturator changes hub (19), on commentaries on classics hub (19) a plurality of blades is arranged, and is changeing the profile of tooth cutting knife that hub (19) front end is equipped with a plurality of anti-trawlnets destructions.

2, sea bed base self adaption power generation device from sea current according to claim 1, it is characterized in that: there are 54 pairs of claw-like magnetic poles at the edge of described generator amature (11).

3, sea bed base self adaption power generation device from sea current according to claim 1 is characterized in that: the commentaries on classics hub (19) at described annular buoyancy rotor (1) middle part has 3 blades.

4, sea bed base self adaption power generation device from sea current according to claim 1 is characterized in that: changeing the profile of tooth cutting knife (2) that hub (19) front end is equipped with 3 anti-trawlnets destructions.