CN201092928Y

CN201092928Y - Electric generator using wave energy and wave-activated generator group

Info

Publication number: CN201092928Y
Application number: CNU2007201537368U
Authority: CN
Inventors: 陈殿君
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-12
Filing date: 2007-05-24
Publication date: 2008-07-30
Anticipated expiration: 2017-05-24

Abstract

The utility model relates to a wave power device which comprises a hollow floating ball body, a gear case, a ring-shaped rack bar column, a commutator, a speed-changer, a step-less gear and an engine, wherein the ring-shaped rack bar column and a longitudinal conduct which is traversed through the spherical center of the floating ball body are arranged on the floating ball body, the ring-shaped rack bar column is traversed through the conduct and fixed on seabed ground, the gear case which is connected with the floating ball body into integrity is arranged on the center of the floating ball body and is separated from a hollow cavity of the floating ball body, two gear shafts are installed in the gear case, a bidirectional gear which is engaged with the ring-shaped rack bar column is installed on the gear shafts and is traversed through the two gear shafts of the gear case to connect the commutator, an output shaft of the commutator is connected with an input shaft of a speed-changer, the output shaft of the speed-changer is connected with the input shaft of the step-less gear, the output shaft of the step-less gear is connected with another speed sensor, and the wave power device has simple structure, low cost, low material requirements, high conversion efficiency and anticorrosion machine body.

Description

Wave-type electric generator and wave-activated power generation unit

Technical field

The utility model relates to a kind of electricity generating device, refers to a kind of pinion and-rack wave energy generating set and wave-activated power generation unit that ocean wave energy is converted into electric energy especially.

Background technique

The utilization of marine energy becomes the hot topic in the present whole world, and the technical approach that utilizes ocean wave energy to be converted to electric energy has three kinds: pneumatic type, the formula of surging and reservoir formula, but pneumatic type must adopt the air turbine of price comparison costliness; The formula of surging also exists machine part complexity, the high deficiency of material requirements except that adopting the hydraulic generator; The shortcoming that the reservoir formula is the most outstanding is to need bigger storage reservoir of building, the investment cost height, and the wave energy conversion efficiency of above-mentioned three kinds of forms is all lower.

The model utility content

The purpose of this utility model is to provide a kind of pinion and-rack wave energy generating set and wave-activated power generation unit, and its compact structure cost is low, material requirements is low and conversion efficiency is high.

In order to realize such scheme, technical solution of the present utility model is: a kind of wave-type electric generator, wherein this device comprises the floating ball body of cavity, gear-box, the annular rack post, commutator, speed changer, stepless speed variator and generator, described floating ball body is provided with the longitudinal duct of annular rack post by its centre of sphere, described annular rack post passes described conduit and is fixed on the ground, seabed, be provided with gear-box at the floating ball body center, this gear-box and floating ball body are connected as a single entity, and separate with the spheroid cavity, two gear shafts are installed in the gear-box, the two-way gear that is meshed with the annular rack post is installed on the gear shaft, pass the ratchet that is separately installed with commutator on two gear shafts of gear-box, commutator is by two ratchets, idle pulley and output wheel combine, described idle pulley is meshed between two ratchets and with two ratchets, one of them ratchet and output wheel engagement, the equal diameters of two ratchets, the output wheel shaft links to each other with the input shaft of speed changer, the output shaft of speed changer links to each other with the input shaft of stepless speed variator, the output shaft of stepless speed variator links to each other with generator shaft, the idler shaft of described commutator is connected with velocity transducer, and the output shaft of stepless speed variator and another velocity transducer are in transmission connection.

The utility model wave-type electric generator, wherein said floating ball body are spirally connected by upper and lower two hemispheres and form, and described upper and lower two hemispheres junction surface is vertical with described duct direction, and episphere offers sealed door.

The utility model wave-type electric generator, wherein said conduit mouth place respectively is provided with four rubber upper saw pulleys.

The utility model wave-type electric generator, wherein said stepless speed variator adopt PW2 type tapper-square position formula stepless speed variator.

The utility model wave-type electric generator, wherein said commutator is installed in the reverse box, and described speed changer is installed in the gearbox, and described stepless speed variator is installed in the infinitely variable transmission, and described velocity transducer is installed in the velocity pick-up case.

The utility model wave-type electric generator, wherein said annular rack post is made up of steel core and polyoxymethylene lining.

The utility model wave-activated power generation unit, comprising at least two wave-type electric generators, the annular rack post of every wave-type electric generator is fixed on the ground, seabed with the alternative lower end of an end that the upper end is fixed on overhang, and the other end of described overhang is fixed on the column that is supported on the seabed.

After adopting such scheme, the utility model floating ball body is under the drive of waves of seawater, move up and down along annular rack post by the floating ball body conduit, gear in its inner teeth roller box and the engagement of the tooth on the annular rack post rotate, and two gear sense of rotation are opposite, commutator ratchet rotation on the gear rotating band movable gear shaft, the ratchet sense of rotation that two diameters are identical is opposite, make the external gear of two ratchets remain same direction motion by the idle pulley between ratchet, therefore the sense of rotation of output wheel remains a direction, idler shaft is connected with velocity transducer, the output wheel shaft connects speed changer, velocity transducer will record the signal of wave size and export to speed changer, the magnetic clutch of speed changer is selected transmission according to the gained signal, transmission output shaft is connected with stepless speed variator, stepless speed variator is connected with velocity transducer, velocity transducer according to degree of testing the speed control forward stroke switch and reverse stroke switch on it, this just, the revesal switch is controlled the motor positive and inverse that is connected with stepless speed variator again, keep a stationary value by the speed of thereby the control of motor positive and inverse being adjusted stepless speed variator, thereby make generator output stabling current, the utility model structure is a spheroid, its volume is little, and material requirements is low, cost is low, simultaneously because it is closed, its body is not corroded, and its conversion efficiency height.

Description of drawings

Fig. 1 is the utility model wave-type electric generator working principle schematic representation;

Fig. 2 is the utility model wave-type electric generator structural representation;

Fig. 3 is the cross-sectional schematic of the utility model wave-type electric generator gear-box;

Fig. 4 is the structural representation of the utility model wave-type electric generator commutator;

Fig. 5 is the utility model wave-activated power generation unit structural representation.

Embodiment

As Fig. 1, shown in Figure 2, the utility model wave-type electric generator comprises the floating ball body 1 of a cavity, gear-box 2, annular rack post 3, commutator 4, automatic three-stage gear-shift transmission 5, PW2 type tapper-square position formula stepless speed variator 6 and generator 7, as shown in Figure 3, floating ball body 1 is connected by bolt seal by episphere 11 and lower semisphere 12, episphere 11 and lower semisphere 12 all are to be welded by steel plate, be provided with gear-box 2 at floating ball body 1 center, this gear-box 2 is connected as a single entity with floating ball body 1, gear-box 2 separates with the cavity of floating ball body 1, floating ball body 1 is provided with a longitudinal duct 13, conduit 13 by floating ball body 1 the centre of sphere and pass gear-box 2, the two-port place of conduit 13 respectively is provided with four rubber upper saw pulleys 131.The episphere 11 of floating ball body 1 is vertical with conduit 13 with the junction surface of lower semisphere 12, the sealed door 111 of turnover when episphere 11 offers for maintenance, annular rack post 3 be shaped as cylindricality, its surface distributed has tooth bar, this annular rack post 3 is by steel core 31 and high strength, the external bushing 32 that high hardness wear-resisting plastics polyoxymethylene is done is formed, external bushing 32 is provided with cylinder tooth bar 321, annular rack post 3 is a tooth bar, play guide pillar again, annular rack post 3 passes conduit 13 and is fixed on the ground, seabed, two gear shafts 211 are housed in the gear-box 2,221, two gear shafts 211,221 with conduit 13 symmetrical distributions, gear shaft 211, be separately installed with the two-way gear 21 that is meshed with annular rack post 3 on 221,22, pass two gear shafts 211 of gear-box 2, two ratchets 41 of commutator 4 are installed respectively on 221,42, commutator 4 is installed in the reverse box 45, as shown in Figure 4, commutator 4 is by ratchet 41, ratchet 42, idle pulley 43 and output wheel 44 combine,

ratchet

41,42 all is to be formed by the overcoat fit of roller friction ratchet gear with the band gear, idle pulley 43 between ratchet 41 and ratchet 42 and with two

ratchets

41,42 are meshed, ratchet 42 and output wheel 44 engagements, two

ratchets

41,42 equal diameters, the idler shaft 431 of commutator is connected with centrifugal revolution detector 8, centrifugal revolution detector 8 is installed in the rotating speed detection case 81, commutator 4 output wheel shafts 441 link to each other with the input shaft 511 of automatic three-stage gear-shift transmission 5, automatic three-stage gear-shift transmission 5 is installed in the gearbox 54, automatic three-stage gear-shift transmission 5 is by three axles 511,521,531 rotate intake with three different rotating ratios, each is 511 years old, 521, be separately installed with the gear 51 of different-diameter on 531,52,53, each gear 51,52, all be engaged with magnetic clutch 512 on 53,522,532, by three magnetic clutchs 512,522,532 clutch realizes that external output speed changes, be connected with stepless speed variator 6 input shafts 61 by output shaft 541, stepless speed variator 6 is installed in the infinitely variable transmission 64, the output shaft 62 of stepless speed variator 6 links to each other with generator 7, the output shaft 62 of stepless speed variator 6 is connected with centrifugal revolution detector 9, and centrifugal revolution detector 9 is installed in the speed detection case 91.

Its working principle, as shown in Figure 1, floating ball body 1 is under the drive of waves of seawater, move up and down along annular rack post 3 by floating ball body conduit 13, gear 21 in the floating ball body 1 inner teeth roller box, 22 with the annular rack post on tooth 321 engagement rotate, and two

gears

21,22 sense of rotation are opposite,

gear

21,22 rotating band movable gear shafts 211, commutator ratchet 41 on 221,42 rotations, as shown in Figure 4, in annular rack post 3 moves up and down process, the ratchet 41 that two diameters are identical, 42 sense of rotation are opposite, by

ratchet

41,42 idle pulley 43 motions make two

ratchets

41,42 remain the sense of rotation unanimity, therefore the sense of rotation of output wheel 44 remains a direction, idler shaft 431 is connected with centrifugal revolution detector 8, and output wheel shaft 441 connects speed changer 5, and the signal that centrifugal revolution detector 8 will record the wave size is exported to speed changer 5, when promptly exporting wave below two meters, two meters to three metric waves when wave and the electrical signal during wave more than three meters.The magnetic clutch of speed changer 5 is selected transmission according to the gained signal, transmission output shaft 541 is connected with stepless speed variator 6, stepless speed variator 6 is installed in the infinitely variable transmission 64, stepless speed variator 6 is connected with centrifugal revolution detector 8, centrifugal revolution detector 8 according to degree of testing the speed just control on it, the work of reverse stroke switch, this just, the reverse stroke switch is being controlled motor 63 clockwise and anticlockwise that are connected with stepless speed variator 6 again, keep a stationary value by the speed of thereby the control of motor 63 clockwise and anticlockwise being adjusted stepless speed variator 6, thereby make generator 7 output stabling currents.

Wave-activated power generation unit as shown in Figure 5, column 10 lower ends are fixed on the seabed, the column upper end is provided with 6 overhangs 101, annular rack post 3 ' one end of every wave-type electric generator is fixed on an end of overhang 101, the annular rack post 3 ' the other end is suspended in the sea, 6 wave-type electric generators are arranged on this column 10, and it has substituted the lower end and has been fixed on the ground annular rack post in seabed.

The utility model wave-type electric generator can use in the ocean and also can use at seashore, it all is that the annular rack post is inserted the plane, seabed, the utility model structure is a spheroid, its volume is little, and material requirements is low, and cost is low, simultaneously because it is closed, its body is not corroded, and its conversion efficiency height.

All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all be included in the utility model scope.

Claims

1. wave-type electric generator, it is characterized in that: this device comprises the floating ball body of cavity, gear-box, the annular rack post, commutator, speed changer, stepless speed variator and generator, described floating ball body is provided with the longitudinal duct of annular rack post by its centre of sphere, described annular rack post passes described conduit and is fixed on the ground, seabed, be provided with gear-box at the floating ball body center, this gear-box and floating ball body are connected as a single entity, and separate with the spheroid cavity, two gear shafts are installed in the gear-box, the two-way gear that is meshed with the annular rack post is installed on the gear shaft, pass the ratchet that is separately installed with commutator on two gear shafts of gear-box, commutator is by two ratchets, idle pulley and output wheel combine, described idle pulley is meshed between two ratchets and with two ratchets, one of them ratchet and output wheel engagement, the equal diameters of two ratchets, the output wheel shaft links to each other with the input shaft of speed changer, the output shaft of speed changer links to each other with the input shaft of stepless speed variator, the output shaft of stepless speed variator links to each other with generator shaft, the idler shaft of described commutator is connected with velocity transducer, and the output shaft of stepless speed variator and another velocity transducer are in transmission connection.

2. wave-type electric generator according to claim 1 is characterized in that: described floating ball body is spirally connected by upper and lower two hemispheres and forms, and described upper and lower two hemispheres junction surface is vertical with described duct direction, and episphere offers sealed door.

3. wave-type electric generator according to claim 2 is characterized in that: described conduit mouth place respectively is provided with four rubber upper saw pulleys.

4. wave-type electric generator according to claim 3 is characterized in that: described stepless speed variator adopts PW2 type tapper-square position formula stepless speed variator.

5. according to claim 1 or 4 described wave-type electric generators, it is characterized in that: described commutator is installed in the reverse box, described speed changer is installed in the gearbox, and described stepless speed variator is installed in the infinitely variable transmission, and described velocity transducer is installed in the velocity pick-up case.

6. wave-type electric generator according to claim 5 is characterized in that: described annular rack post is made up of steel core and polyoxymethylene lining.

7. wave-activated power generation unit, it is characterized in that: comprise at least two wave-type electric generators, the annular rack post of every wave-type electric generator is fixed on the ground, seabed with the alternative lower end of an end that the upper end is fixed on overhang, and the other end of described overhang is fixed on the column that is supported on the seabed.