CN110735756A

CN110735756A - double-chain wheel combined reversing speed-increasing driving type wave energy power generation device

Info

Publication number: CN110735756A
Application number: CN201910929475.1A
Authority: CN
Inventors: 郑雄波; 刘恒序; 段育鹏
Original assignee: Harbin Engineering University
Current assignee: Harbin Engineering University
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-01-31

Abstract

The invention discloses an double-chain wheel combined reversing speed-increasing driving type wave energy power generation device, which belongs to the technical field of wave energy power generation and energy collection and comprises a carrier (25), a floater (26), a second floater (27), a 0 swing arm (28), a second swing arm (29), a 1 connecting point (30) and a second connecting point (31), wherein the end of the swing arm (28) is connected with an floater (26), the end of the swing arm is connected with a second chain wheel extending shaft (18) through the connecting point (30), the end of the second swing arm (29) is connected with the second floater (27), and the end of the swing arm is connected with a chain wheel extending shaft (17) through the second connecting point (31).

Description

double-chain wheel combined reversing speed-increasing driving type wave energy power generation device

Technical Field

The invention relates to the technical field of wave energy power generation and energy collection, in particular to an double-chain wheel combination reversing and speed-increasing driving type wave energy power generation device.

Background

A vast sea contains huge energy sources including wave energy, tidal energy, ocean current energy, temperature difference energy, salt difference energy and other ocean energy, wherein, the wave energy reserves are abundant and distributed is wide, the wave energy is ocean energy which is most developed and utilized, the wave energy power generation device has development prospects and is concerned by of research institutions of all countries in the world, in the field of wave energy utilization, the wave energy device mainly has the forms of oscillating floats, oscillating water columns, wave overtopping and the like, among various device forms, the oscillating float type wave energy power generation device has the characteristics of simple structure, high efficiency, low cost and suitability for wavelet wave conditions in China, the wave energy device has the development prospects, of the wave energy devices of several types has the advantages of great influence on the self power generation stability of the device along with the periodic low-speed motion of the wave energy, the phenomenon that the float moves along with the low-speed of the wave energy device along with the low-speed motion of the wave energy device, and the phenomenon that the hydraulic pressure of the float is easy to cause the limit of the axial and the collision of the hydraulic pressure of the float.

Disclosure of Invention

The invention aims to provide double-chain wheel combined reversing and speed increasing drive type wave energy power generation devices, and provides double-chain wheel combined reversing and speed increasing drive type wave energy power generation devices in order to reduce the influence of periodic low-speed reciprocating motion of waves on the power generation stability of the devices and improve the power generation efficiency of the devices.

The purpose of the invention is realized by the following technical scheme:

A double-chain wheel combined reversing speed-increasing drive type wave energy power generation device comprises a carrier 25, a floater 26, a second floater 27, a 0 swing arm 28, a second swing arm 29, a 1 connecting point 30 and a second connecting point 31, wherein the 2 floater 26 is connected with a 28 end of a swing arm 28, then the other end of the swing arm 28 is connected with a second crankset extending shaft 18 through an connecting point 30, the second floater 27 is connected with the 29 end of the second swing arm 29, and the other end of the second swing arm 29 is connected with the crankset extending shaft 17 through the second connecting point 31.

The carrier 25 comprises a second toothed disc 1, a second toothed disc 6, a second sprocket 2, a second sprocket 3, a third sprocket 4, a fourth sprocket 5, a second speed increasing device 7, a second speed increasing device 8, a second 1 generator 9, a second generator 10, a rotating shaft 11, a second rotating shaft 12, a 3 coupling 13, a second coupling 14, a third coupling 15, a fourth coupling 16, a fourth toothed disc extending shaft 17 and a second toothed disc extending shaft 18, the second swing arm 29 is connected with a 5 toothed disc extending shaft 17, the second floater 27 drives the second swing arm 29 to rotate around a 6 toothed disc extending shaft 17 when moving up and down so as to drive the second toothed disc 1 to rotate, the second 8 toothed disc 1, the second sprocket 1, the second 8 toothed disc 1, the second sprocket 3, the fourth sprocket 1, the second sprocket 18 and the fourth sprocket 466 are connected through a second chain 20 and a fourth chain 22, the second extending shaft 17 is mounted on a carrier housing 32, the second toothed disc 16, the second swing arm 17, the second swing arm 18 is connected with a second gear 466 coupling 16, the second gear 466 is connected with a fourth coupling 16, the second gear 466 shaft 18 and a fourth coupling 18, the second gear 466 is connected with a third gear 466 shaft 18, the second gear 466 shaft 18 and a third gear 16, the second gear is connected with a third gear 466 shaft 18, the upper gear coupler 596 shaft 18, the second gear coupler 596 shaft 18 and a fifth gear, the upper gear coupler.

The invention provides double-chain wheel combined reversing speed-increasing driving type wave energy power generation devices, which are oscillating float type wave energy power generation devices, and compared with the conventional oscillating float type wave energy power generation devices, the wave energy power generation devices have the following advantages:

1. the reversing speed-increasing module can convert the periodic low-speed reciprocating motion of waves into the high-speed unidirectional motion of the generator rotor through the cooperation of the chain wheel device and the speed-increasing device, so that the working efficiency and the stability of the generator are improved.

2. The invention adopts a hinged rotation motion mode when extracting energy, thereby avoiding the problem that the floater of the oscillating floater type wave energy device based on the heave motion is locked when moving linearly in the axial direction.

3. The reversing speed-increasing module and the power generation device can be preset in the carrier, and can be put into operation only by connecting the floater and the swing arm with corresponding reserved interfaces on the carrier in the actual installation process, so that the installation is simple.

4. The floater and the swing arm of the invention have simple structures, and the part needing to be checked is less and easy to observe during maintenance and overhaul; the reversing speed-increasing module is arranged in the carrier, and has the advantages of simple mechanical structure, simple transmission mode, convenience in disassembly, assembly and replacement and convenience in maintenance.

5. The floater, the swing arm and the carrier have simple structures, the reversing speed-increasing module has a simple transmission mode, the power generation target is realized only by mechanical transmission of the gear and the chain, and the cost of each part is low; the invention can pre-install partial structure on land, is convenient to install on the sea, has simple internal structure, is convenient to maintain and has low labor cost.

Drawings

FIG. 1 is a top view of a power plant carrier portion and its internal structure according to the present invention;

FIG. 2 is a schematic view of the inner chain wheel and chain wheel assembly of the power generation device of the present invention;

FIG. 3 is an engineering application of the present invention;

FIG. 4 is a left side view of the power plant carrier portion and its internal structure of the present invention.

Detailed Description

A double chain wheel combined reversing speed-increasing drive type wave energy power generation device comprises a floater, a swing arm, a carrier, a reversing speed-increasing module and a power generation module, wherein the purpose of the invention is to solve the problem of secondary energy conversion when the wave energy device works, the influence on the power generation performance of the device caused by the periodic low-speed reciprocating motion of waves is reduced by the reversing speed-increasing module.

The invention is further described with reference to the following figures:

example 1:

as shown in FIG. 1, the double-chain wheel combined reversing speed-increasing drive type wave energy power generation device comprises a toothed disc 1, a second toothed disc 6, a 0 sprocket 2, a second sprocket 3, a third sprocket 4, a fourth sprocket 5, a 1 speed-increasing device 7, a second speed-increasing device 8, a 2 power generator 9, a second power generator 10, a 3 rotating shaft 11, a second rotating shaft 12, a coupler 13, a second coupler 14, a third coupler 15 and a fourth coupler 16, a toothed disc extending shaft 17 and a second toothed disc extending shaft 18, wherein the third swing arm 28 of the wave energy power generation device is connected with the second toothed disc extending shaft 18 through a second toothed disc 897 connection point 30, the floater 26 drives the second swing arm 28 to rotate around the second toothed disc extending shaft 18 when moving up and down to drive the second toothed disc 6 to rotate, the second toothed disc 6, the third toothed disc , the third sprocket 38, the third swing arm 26 is connected with the second toothed disc 3919, the fourth swing arm is connected with the second toothed disc 3929 through a second chain 3929 connection point, and a second toothed disc 3929 connection point, and a fourth chain 3929 is connected with the second toothed disc 3929 respectively.

The chain wheel device has one-way acting performance when rotating,

chain wheels

2 and 3 in the device drive the rotating shaft 11 to rotate only when rotating anticlockwise, the third chain wheels 4 and the fourth chain wheels 5 drive the second rotating shaft 12 to rotate only when rotating clockwise, when the floater moves up and down, the crankset is driven to rotate, because the crankset is symmetrically distributed, the rotating directions of the two crankset are opposite when the floater moves up or down, so that groups of chain wheels are respectively driven to rotate to act, and the number of teeth and the modulus of the four involute gears of the coaxial two-stage speed increasing device are set according to the actual ocean condition.

As shown in figure 1, the th speed increasing device 7 and the second speed increasing device 8 are correspondingly connected with the th rotating shaft 11 and the second rotating shaft 12 through the th coupler 13 and the second coupler 14 respectively, the floater floats up and down under the drive of waves to drive the swing arm to rotate around the extending shaft of the chain wheel to drive the chain wheel to rotate, the chain wheel drives the th rotating shaft 11 and the second rotating shaft 12 to rotate, the speed increasing device outputs the rotating speed transmitted by the chain wheel rotating shaft at a higher rotating speed through the change of the internal gear transmission ratio, then the third coupler 15 and the fourth coupler 16 respectively drive the rotors of the th generator 9 and the second generator 10 to rotate at a high speed, and the generators generate electricity when the rotors rotate at a high speed.

As shown in FIG. 2, the operation mode is that in the device, chain wheels driven by a chain 19 and a second chain 20 drive a moving shaft to rotate only when rotating anticlockwise, chain wheels driven by a third chain 21 and a fourth chain 22 drive a moving shaft to rotate only when rotating clockwise, a swing arm drives two chain wheels to rotate through a shaft extending out of the chain wheels, when a float ascends, the swing arm drives a th chain wheel 1 to rotate anticlockwise, at the moment, the second chain wheel 6 rotates clockwise, when the float descends, a th chain wheel 1 rotates clockwise, the second chain wheel 6 rotates anticlockwise, when the float ascends, the rd chain wheel 1 rotates anticlockwise, only the chain wheel driven by the second chain 20 works to rotate anticlockwise the corresponding th rotating shaft 11, when the second chain wheel 6 rotates clockwise, only the chain wheel driven by the third chain 21 works to rotate clockwise, the corresponding second rotating shaft 12 rotates clockwise, when the chain wheel 1 rotates clockwise, only the chain wheel driven by the fourth chain 22 works to drive the corresponding second rotating shaft 12 to rotate anticlockwise, when the float descends, only the second chain wheel 6 rotates clockwise, only the corresponding second rotating shaft 357, and the second rotating shaft 3511 and the floating shaft 3512 continuously rotates.

The engineering implementation mode is shown in figure 3, the reversing speed-increasing module and the power generation module are arranged in the carrier 25, the th floater 26 and the th floater 27 are respectively and correspondingly connected with the th swing arm 28 and the second swing arm 29, the th floater 26 and the second floater 27 are connected with the crankset extending shaft, the connection points are shown as a connection point 30 and a second connection point 31 in figure 3, the crankset is driven to rotate along with the up-and-down movement of the floaters, the crankset drives the chain wheel to rotate through the chain, the chain wheel drives the rotating shaft to rotate in a specific direction, the speed-increasing device is driven to rotate through the coupler, and the speed-increasing device drives the rotor of the power generation device.

The left side view of the power plant carrier part and its internal structure at this time is shown in fig. 4: the device comprises a second chain wheel 6, a second chain wheel extending shaft 18 connected with a swing arm, a third chain wheel 4, a second coupling 14, a fourth coupling 16, a second speed increasing device 8, a second generator 10 and a carrier shell 32. Second chain wheel projecting shaft 18 is installed on carrier shell 32, and the float is floated from top to bottom and is driven the swing arm swing, thereby the swing arm links to each other with the chain wheel projecting shaft and drives the chain wheel and rotate, and second chain wheel 6 drives third sprocket 4 through the chain and rotates, and then drives second speed increasing device 8 through second shaft coupling 14 and rotates, and second speed increasing device 8 rethread fourth shaft coupling 16 drives second generator 10 rotor and rotates, generates electricity. The sprocket mount, accelerator mount, and generator mount are fixed to carrier housing 32.

Example 2:

double-chain wheel combined reversing speed-increasing driving type wave energy power generation device mainly comprises a floater, a swing arm, a reversing speed-increasing module, a power generation module and a carrier.

The device comprises a floater, a swinging arm, a reversing and accelerating module, a power generation module and a sealed box-type carrier, wherein the floater and the swinging arm are -grade energy conversion mechanisms of the device and are used for capturing wave energy, the reversing and accelerating module is a transmission mechanism of the device and is used for reversing and accelerating low-speed periodic reciprocating rotation of the floater and the swinging arm, the power generation module is an energy conversion mechanism of the device and is used for converting the wave energy captured and transmitted by the -grade energy conversion mechanisms and the transmission mechanism into electric energy, and the carrier is a sealed box-type structure and.

The two floaters are symmetrically arranged on two sides of the carrier and are connected with the carrier through swing arms; the reversing speed increasing module consists of two chain wheels, two chain wheel devices, two chains, two groups of couplers and two speed increasing devices; the power generation module is a rotary armature type power generator, and a rotor of the power generation module is connected with the output end of the speed increasing module through a coupler.

The reversing speed-increasing module comprises a float, a reversing speed-increasing module and a power generation device, wherein the float is conical below a float waterline and cylindrical above the waterline, the float moves up and down along with waves under the action of the waves, the end of a swing arm is connected with the float, the end is connected with an extension shaft of a chain wheel of a carrier, a chain wheel device of the reversing speed-increasing module consists of two chain wheels which work in the same direction and matched with a chain and a rotating shaft, the work directions of the two groups of chain wheel devices are opposite, the speed-increasing device is fixed in the carrier through bolts and a fixed support, and a.

The swing arm is connected with a floater in an articulated mode, the swing arm is connected with chain wheels of a reversing speed increasing module through an extending shaft, each chain wheel is provided with two groups of gear teeth which are respectively connected with two chains, the plane of the gear teeth of the chain wheel is the same as the plane of a corresponding chain wheel, each rotating shaft of the chain wheel device is fixed in a carrier through two supports and two bearings, the supports are fixed through four bolts, the end of the chain wheel device is sealed through an end cover, the end of the chain wheel device is connected with a coupler through the extending bearing, two chain wheels are arranged on the rotating shaft of each chain wheel device, the acting directions of the two chain wheels are the same, each speed increasing device comprises concentric secondary cylindrical gear speed increasing devices and couplers, each concentric secondary cylindrical gear speed increasing device comprises four involute gears, the end of each speed increasing device is connected with the rotating shaft of the chain wheel device through a coupler.

Example 3:

the invention discloses multi-ratchet wheel pendulum wave energy power generation devices which are found by search and comprise ratchet wheel sets, a generator set, a middle transmission belt wheel set, a transverse transmission shaft, a fixing plate and a pendulum, and is characterized in that the ratchet wheel sets, the generator set, the middle transmission belt wheel set and the transverse transmission shaft are arranged on the fixing plate, the pendulum comprises a hammer body and a swing arm, the hammer body is positioned below the fixing plate, the swing arm penetrates through the fixing plate and is vertically connected with the central part of the transverse transmission shaft, the multi-ratchet wheel pendulum wave energy power generation devices adopt pendulum floating body mechanisms, and in the process that a floating body moves along with waves, energy generated by the motion of the pendulum is converted into energy which a ratchet wheel drives a generator to rotate so as to be converted into electric energy, compared with the invention of CN104632514A, the:

1. the type of energy utilized and the manner of energy harvesting are different: in the invention, in the process that the floater moves up and down along with sea waves, energy generated by the movement of the floater is transmitted to the reversing speed-increasing module through the swing arm and then converted into high-speed unidirectional rotation of the generator rotor through the reversing speed-increasing module, thereby generating electric energy. It uses the potential energy in waves; the multi-ratchet wheel swing type wave energy power generation device disclosed in CN104632514A adopts a floating body swing type mechanism, and in the process that a floating body moves along with waves, the energy generated by the motion of a pendulum is converted into the energy that a ratchet wheel drives a generator to rotate, and then converted into electric energy, and the energy generated by the swing of the floating body driven by the horizontal motion of sea waves is utilized, and the kinetic energy of waves is utilized.

2. The device has different effects that when the floater ascends, the toothed disc rotates anticlockwise only to enable the chain wheel connected with the toothed disc to do work anticlockwise to drive the rotating shaft to rotate anticlockwise, the second toothed disc rotates clockwise only to enable the chain wheel connected with the toothed disc to do work clockwise to drive the rotating shaft to rotate clockwise, when the floater descends, the process is opposite to the process.

3. The reversing speed-increasing module is composed of two chain wheels, two chain wheel devices, four chains, four groups of couplers and two speed-increasing devices, each speed-increasing device comprises concentric type two-stage cylindrical gear speed-increasing devices and couplers, each concentric type two-stage cylindrical gear speed-increasing device comprises four involute gears, in the CN104632514A invention, mechanical transmission parts of the reversing speed-increasing module, namely a ratchet wheel set and an intermediate transmission belt wheel set, only depend on belt transmission, the ratchet wheel set comprises a ratchet wheel, a second ratchet wheel, a third ratchet wheel and a fourth ratchet wheel, and the intermediate transmission belt wheel set comprises a intermediate transmission belt wheel, a second intermediate transmission belt wheel, a third intermediate transmission belt wheel and a fourth intermediate transmission belt wheel.

4. The number of the generators is different, and the invention relates to two rotary armature generators; and four generators are involved in the CN104632514A invention.

The invention and CN104632514A are as follows: the energy types and energy collection modes, device action effects, mechanical structures and the number of generators are obviously different. The invention solves the problem of secondary energy conversion when the wave energy device works, reduces the influence on the power generation performance of the device due to the periodic low-speed reciprocating motion of waves by the reversing speed-increasing module, converts the periodic low-speed reciprocating motion of the waves into the high-speed unidirectional motion of the rotor of the generator, improves the stability and the power generation efficiency of the power generation device when in work, and is completely different from CN 104632514A.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

The double-chain wheel combined reversing speed-increasing driving type wave energy power generation device is characterized by comprising a carrier (25), a floater (26), a second floater (27), a swing arm (28), a second swing arm (29), a connecting point (30) and a second connecting point (31), wherein the floater (26) is connected with the end of the swing arm (28), then the swing arm (28) is connected with a second chain wheel extending shaft (18) through the connecting point (30), the second floater (27) is connected with the end of the second swing arm (29), and the other end of the second swing arm (29) is connected with the chain wheel extending shaft (17) through the second connecting point (31).
2. The double-chain wheel combined reversing speed-increasing drive type wave energy power generation device according to claim 1, wherein the carrier (25) comprises a toothed disc (1), a second toothed disc (6), a chain wheel (2), a second chain wheel (3), a third chain wheel (4), a fourth chain wheel (5), a 1 speed-increasing device (7), a second speed-increasing device (8), a 2 power generator (9), a second power generator (10), a rotating shaft (11), a second rotating shaft (12), a coupler (13), a second coupler (14), a third coupler (15), a fourth coupler (16), a 5 toothed disc shaft (17) and a second toothed disc extending shaft (18), the second swing arm (29) is connected with the 376 toothed disc extending shaft (17), the second floater 27) drives the second swing arm (29) to extend out of the second toothed disc shaft (17) and extend out of the shaft (17) when moving up and down, the second floater (27) drives the second swing arm (29) to extend out of the toothed disc shaft (17) and extend out of the shaft (17) and rotate around a disc shaft (17), the second coupler (7) and a housing (7), the second toothed disc (7), the fifth coupler (7) and a housing (18) respectively, the fifth gear coupler (18) is connected with a housing (9), the fifth gear coupling (18) and the fifth gear shaft (18), the fifth gear coupling (19) and the fifth gear shaft (18) respectively, the fifth gear shaft (18) and the fifth gear shaft (19) and the fifth gear shaft (18) when the fifth gear shaft (18) are connected with the fifth gear shaft (19) and the fifth gear shaft (18) and the fifth gear shaft (.