CN203627073U - Multilateral floating type wave power generation device - Google Patents

Abstract

A multilateral floating wave energy power generation device, including a plurality of buoys, the plurality of buoys form a ring structure, the buoys are connected by universal joints, at least three mooring ropes are arranged along the circumference of the ring structure, and the The mooring lines are connected to the connecting anchors; at least part of the buoys are provided with power generating devices. In the power generation device described above, between two adjacent buoys, the second end cover is connected to one end of the connecting rod through a connecting rod universal joint, and the other end of the connecting rod slides through the third end cover and one end of the rocker The other end of the rocker is connected to the generator through the speed increaser. The utility model adopts a multilateral annular buoy as a wave energy collection float, which not only has reliable stability, but also can adapt to waves from different directions and different wavelengths, and has high collection efficiency. The direction-changing speed-up mechanism is used between the buoys to convert the wave motion of the miniature wave peaks collected by the buoys into the high-speed rotation of the generator, which greatly improves the utilization rate of wave energy.

Description

Multilateral floating wave power generation device

technical field

The utility model relates to a wave energy generating device, in particular to a multilateral floating type wave energy generating device.

Background technique

At present, there are many ways to use ocean energy to generate electricity, the most common one is to use tidal energy to generate electricity, but the device for generating electricity is very complicated, installation and maintenance are inconvenient, and the cost of equipment is high. Wave energy is the highest-grade ocean energy. The mechanical power generation device using wave energy uses wave motion to push the floating body, but most of them need to drive the power generation device to generate electricity through hydraulic oil, air and other intermediate media, and the structure is also relatively complicated.

For example, Chinese patent document CN103410654A discloses a wave energy power generation device, that is, hydraulic oil is driven by waves, and then a motor is driven by the hydraulic oil to drive a generator to generate electricity. This structure is very complicated.

Contents of the invention

The technical problem to be solved by the utility model is to provide a multilateral floating wave energy generating device, which can adapt to waves in different directions, further adopts a mechanical structure and a built-in circuit system, the structure is more simplified, and the maintenance is convenient.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a multilateral floating type wave energy power generation device, including a plurality of buoys, the plurality of buoys form a polygonal ring structure, each side contains at least two buoys, The buoys are connected by universal joints, and at least three mooring ropes are arranged along the circumference of the ring structure, and the mooring ropes are connected to the connecting anchors; at least part of the buoys are equipped with power generation devices.

In the power generation device described above, between two adjacent buoys, the second end cover is connected to one end of the connecting rod through a connecting rod universal joint, and the other end of the connecting rod slides through the third end cover and one end of the rocker The other end of the rocker is connected to the generator through the speed increaser.

A joint bearing is arranged on the third end cover, and a shaft sleeve is fixed inside the joint bearing, and the connecting rod is slidably connected with the shaft sleeve.

One end of the rocking bar connected with the connecting rod is provided with a chute, and the end of the connecting rod is provided with a roller matched with the chute.

There is also a sliding rod on the other side of the connecting rod relative to the universal joint. One end of the sliding rod is connected to the second end cover through the connecting rod universal joint. A joint bearing is installed on the third end cover, and a shaft sleeve is arranged inside the joint bearing. , the other end of the slide bar is slidingly matched with the shaft sleeve.

The speed increaser is a spur gear speed increaser.

Inside the buoy, the generator is connected to the electrical system,

The structure of the circuit system is as follows: the generator is connected with the transformer, the transformer is connected with the rectifier bridge, at least one capacitor is connected in parallel between the outputs of the rectifier bridge, and a resistor is connected in series with the output of the rectifier bridge.

There are two capacitors.

The resistors are two variable resistors.

Zener diodes are also connected in parallel between the outputs of the rectifier bridges.

A multilateral floating wave energy generating device provided by the utility model has the following beneficial effects:

1. The utility model adopts a polygonal annular buoy as a wave energy collection float, which not only has reliable stability, but also can adapt to waves from different directions, and has high collection efficiency.

2. Each side of the polygonal buoy used in the utility model adopts multi-section buoys to form a buoy chain as a wave energy collection float, which can adapt to waves of different wavelengths and has high collection efficiency.

3. The utility model adopts a direction-changing speed-up mechanism between the buoys, which can convert the wave motion of the miniature wave peaks collected by the buoys into the high-speed rotation of the generator, greatly improving the utilization rate of wave energy.

4. The utility model adopts a circuit system with current control function, and the device outputs stable direct current through the function of rectification and voltage stabilization, which improves the stability of the system's output power.

5. The utility model saves the design and installation of the one-way rotation mechanism through the circuit system, reduces the weight of the device, and puts the circuit system in the barrel, avoiding the complexity of water installation.

6. The utility model also saves the hydraulic and pneumatic components of other wave energy generating devices, which simplifies the structure and reduces the cost. It is a cheap and practical wave energy generating device.

7. The utility model has the advantages of simple structure, convenient processing, relatively simple installation and maintenance.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a structural schematic diagram of the unilateral buoy chain of the present invention.

Fig. 3 is a structural schematic diagram of the connecting rod transmission mechanism in the utility model.

Fig. 4 is a structural schematic diagram of the speed increaser in the utility model.

Fig. 5 is a top structural schematic diagram of the speed increaser in the present invention.

FIG. 6 is a schematic circuit diagram of the circuit system in the present invention.

In the figure: mooring rope 1, connecting anchor 2, buoy 3, universal joint 4, first end cover 5, second end cover 6, third end cover 7, speed increaser 8, generator 9, wire 10, Circuit system 11, connecting rod universal joint 12, connecting rod 13, joint bearing 14, bushing 15, rocker 16, roller 17, slide bar 18, first gear 19, second gear 20, third gear 21, the first Four gears 22, fifth gear 23, sixth gear 24, gear box 25, transformer T1, rectifier bridge D1, voltage regulator diode D2, energy storage capacitor C1, energy storage capacitor C2, variable resistor R1, variable Resistor R2.

Detailed ways

As shown in Figure 1, a multilateral floating type wave energy power generation device includes a plurality of buoys 3, the plurality of buoys 3 form a polygonal ring structure, each side contains at least two buoys 3, and the buoys 3 are connected by universal joints. 4 connection, at least three mooring ropes 1 are arranged along the circumference on the ring structure, preferably all are arranged along the circumference, and the buoy chains separated by mooring ropes 1 on each section of the ring structure can be determined according to the local wave parameters The length of the mooring rope 1 is connected with the connecting anchor 2 at the bottom of the water;

At least part of the buoys 3 are provided with power generating devices. Due to the structure, the utility model has reliable stability, can adapt to waves from different directions, and has high collection efficiency.

The power generation device in this example may also be a power generation device in the prior art, such as the power generation device disclosed in Chinese patent document CN103410654A.

As shown in FIG. 2 , in the power generating device, between two adjacent buoys 3 , the second end cover 6 of one buoy 3 is connected to one end of the connecting rod 13 through the connecting rod universal joint 12 . The other end of the rod 13 slides through the third end cover 7 positioned at another buoy to be connected with one end of the rocking bar 16, and the other end of the rocking bar 16 is fixedly connected with the input shaft of the booster 8, and the output shaft of the booster 8 is connected with the The input shaft of the generator 9 is fixedly connected, that is, the rocking rod 16 is connected with the generator 9 through the speed increaser 8 . Not each of the plurality of buoys is provided with a power generating device. As shown in FIG. 2 , the buoy 3 on the left side is empty. The buoys 3 are connected by Vientiane joints. The rocking bar 16 can be driven to swing through the connecting rod 13, and then the generator 9 is driven to rotate at a high speed through the speed increaser 8 to generate electric current.

In a preferred solution, a joint bearing 14 is provided on the third end cover 7 , and a shaft sleeve 15 is fixed inside the joint bearing 14 , and the connecting rod 13 is slidably connected with the shaft sleeve 15 . With this structure, when the two buoys 3 are bent at a large angle, the normal sliding of the connecting rod 13 can still be ensured. Because during the sliding process, the joint bearing 14 can rotate to adapt to the bending angle of the connecting rod 13 . The drain seal is realized by installing an O-ring on the connecting rod 13. The shaft sleeve 15 and the joint bearing 14 adopt an interference connection and use a circlip to limit the position. The joint bearing 14 and the end cover 7 adopt an interference connection, and the joint bearing 14 The rotation of is done by its own structure.

The preferred structure is as shown in Fig. 3, one end of the rocker 16 connected to the connecting rod 13 is provided with a chute, and the end of the connecting rod 13 is provided with a roller 17 matched with the chute. With this structure, the transmission between the connecting rod 13 and the rocker 16 is smoother.

The preferred structure is as shown in Figure 3, a slide bar 18 is also provided on the other side of the connecting rod 13 relative to the universal joint 4, and one end of the slide bar 18 is connected with the second end cover 6 through the connecting rod universal joint, and the third end cover Joint bearing is installed on 7, is provided with axle sleeve in the joint bearing, and slide bar 18 other ends slide and cooperate with axle sleeve. The set slide bar 18 can play the role of support and displacement navigation.

The preferred solution is shown in Figures 4-5, the speed increaser 8 is a spur gear speed increaser. The specific structure is that the shaft of the first gear 19 is fixedly connected with the rocker 16, the first gear 19 is meshed with the second gear 20, and the third gear 21 coaxially installed on the second gear 20 is meshed with the fourth gear 22. The fifth gear 23 coaxially installed by the four gears 22 is meshed with the sixth gear 24 , and the sixth gear 24 is fixedly connected with the input shaft of the generator 9 . A multi-stage speed-up mechanism is realized, and the transmission is reliable.

Inside the buoy 3, the generator 9 is connected to the electrical system 11,

As shown in Figure 6, the structure of the circuit system is: the generator 9 is connected to the transformer T1 for step-up processing, the transformer T1 is connected to the rectifier bridge D1, and the alternating current is converted to direct current, and at least one capacitor is connected in parallel between the outputs of the rectifier bridge D1 to realize filtering function, the output of the rectifier bridge D1 is connected in series with a resistor, and the current limiting function is realized by the resistor. With this structure, the current output by the generator 9 is converted into direct current.

As shown in FIG. 6 , there are two capacitors, namely the energy storage capacitor C1 and the energy storage capacitor C2. This achieves a better filtering effect. The resistors are two variable resistors. Among them, the variable resistor C1 acts as a current limiter, and finally supplies power to the outside through the variable resistor C2, and the output terminal U _o of the circuit board is connected to an external circuit.

Preferably, as shown in FIG. 6 , a Zener diode D2 is connected in parallel between the outputs of the rectifier bridge D1 . Use the unidirectional breakdown function of the voltage diode D2 to achieve the effect of voltage stabilization.

When in use, as shown in Figure 1, the utility model is connected to the seabed by the mooring rope 1 and the connecting anchor 2, and a plurality of buoys 3 float on the sea surface, and the undulating motion of the wave is collected by the buoys 3, and the connecting rod 13 is driven on the shaft. Move in the cover 15, and then bring the roller 17 to slide in the chute of the rocker 16, so that the rocker 16 swings back and forth, the rocker 16 drives the speed increaser 8 to rotate, and drives the generator through the gear train in the speed increaser 8 The generator 9 rotates to generate electric energy, and then outputs stable direct current through the rectification and voltage stabilization function of the circuit system 11.

Claims (10)

1. a polygon floating type wave energy generating set, comprise multiple floating drums (3), it is characterized in that: described multiple floating drums (3) form polygon loop configuration, every one side at least comprises two floating drums (3), between floating drum (3), connect by universal joint (4), in loop configuration, be provided with at least three mooring ropes (1) along circumference, mooring rope (1) be connected anchor (2) connect; In at least part of floating drum (3), be provided with electricity generating device.

2. the polygon floating type wave energy generating set of one according to claim 1, is characterized in that:

In described electricity generating device, between two adjacent joint floating drums (3), the second end cap (6) is connected with one end of connecting rod (13) by connecting rod universal joint (12), connecting rod (13) the other end slides through the 3rd end cap (7) and is connected with one end of rocking bar (16), and the other end of rocking bar (16) is connected with generator (9) by speed increaser (8).

3. the polygon floating type wave energy generating set of one according to claim 2, it is characterized in that: on the 3rd end cap (7), be provided with joint shaft bearing (14), in joint shaft bearing (14), be installed with axle sleeve (15), connecting rod (13) is slidably connected with axle sleeve (15).

4. the polygon floating type wave energy generating set of one according to claim 3, is characterized in that: rocking bar (16) is provided with chute with one end that connecting rod (13) is connected, and the termination of connecting rod (13) is provided with the roller (17) coordinating with chute.

5. the polygon floating type wave energy generating set of one according to claim 4, it is characterized in that: the opposite side at the relative universal joint (4) of connecting rod (13) is also provided with slide bar (18), slide bar (18) one end is connected with the second end cap (6) by connecting rod universal joint, on the 3rd end cap (7), be provided with joint shaft bearing (14), in joint shaft bearing (14), be installed with axle sleeve (15), slide bar (18) the other end and axle sleeve (15) are slidably matched.

6. the polygon floating type wave energy generating set of one according to claim 2, is characterized in that: described speed increaser (8) is spur gear speed increaser.

7. the polygon floating type wave energy generating set of one according to claim 2, is characterized in that: in the inside of floating drum (3), generator (9) is connected with circuitry (11),

Circuit system structure is: generator (9) is connected with transformer (T1), and transformer (T1) is connected with rectifier bridge (D1), at least one electric capacity in parallel between the output of rectifier bridge (D1), and the output string of rectifier bridge (D1) is connected to resistance.

8. the polygon floating type wave energy generating set of one according to claim 7, is characterized in that: described electric capacity is two.

9. the polygon floating type wave energy generating set of one according to claim 7, is characterized in that: described resistance is two variable resistors.

10. the polygon floating type wave energy generating set of one according to claim 7, is characterized in that: between the output of rectifier bridge (D1), be also parallel with reference diode (D2).

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