Ocean power generation device

Instructions

Ocean energy power generation device FIELD

The present invention belongs to the field of marine energy generation, particularly to a marine energy generation devices.

Background technique

Ocean energy (including tide, wave energy, ocean currents) refers to the energy flow of sea water as a renewable, abundant, widely distributed, with excellent development prospects and value. Use ocean energy mainly for power generation, which works like a conventional hydroelectric power and wind power generation, energy conversion means through the sea of ​​mechanical energy into electrical energy. Specifically, the first impact of water turbines, water turbine energy into rotational mechanical energy, and then through the mechanical drive turbine driven generator, and ultimately converted into electricity.

Today's growing energy shortages, greenhouse growing, low-carbon energy needs, so wind energy, ocean energy (including tidal energy, tidal current energy, wave energy, ocean currents) and other clean energy is the future direction of energy. But now these clean energy generation equipment, in addition to wind energy utilization is relatively mature, the use of ocean energy is still in the initial stage, there is no universal and sophisticated equipment, inefficient, not large-scale equipment technology.

Ocean energy power generation device using the generator into a horizontal axis and vertical axis turbine generator. However, the horizontal axis generator traditional maritime energy generating device can only flow in one direction over the capture of currents, marine energy is converted to low energy efficiency.

SUMMARY

The present invention addresses deficiencies of the prior art, there is provided an adjustable horizontal axis generator direction of ocean energy power generation device.

To achieve an object of the present invention, the present invention provides a marine energy generation apparatus, comprising a housing, at least one shaft, the at least one drive unit and at least one horizontal axis of the generator. At least one shaft rotatably disposed within the housing. The drive unit is connected to the drive shaft axis of rotation. Generating at least one horizontal axis disposed in the axial direction of the rotary shaft, the horizontal axis is parallel to the horizontal generator.

According to one embodiment of the invention, ocean energy power generation device further comprises at least one shroud, is fixed to the frame.

Cases, the shroud is decreasing diameter cylindrical according to an embodiment of the invention.

According to an embodiment of the present invention, the apparatus further includes ocean power axisymmetric set two shroud, is fixed to the frame, the shroud which are located along the flow direction of the horizontal axis turbine upstream and downstream. According to an embodiment of the present invention, marine energy generation apparatus further comprises at least one buoy platform, disposed within the housing and parallel to the horizontal plane.

According to an embodiment of the present invention, the apparatus further comprises ocean power at least two pontoon units, provided on both sides of the frame body, each pontoon units parallel to the horizontal plane and perpendicular to the direction of flow.

According to an embodiment of the present invention, the ocean energy power generation device further comprises a frame and a cable pull ring pull ring provided on the casing, one end of the cable provided in the pull ring.

According to one embodiment of the invention, ocean energy power generation device further comprises a fixing means, fixing means comprises a base unit and a plurality of fixed anchorage. Base has a fixing groove. Housing by the fixing unit is fixed to the base of the fixing grooves. At least one anchor penetrates the base and inserted into the seabed fixed.

According to one embodiment of the invention, the housing includes an outer frame and inner frame, at least one inner frame is detachably disposed within the outer frame, at least one of the two ends of the rotary shaft is rotatably disposed on an inner frame.

In summary, the present invention provides a marine energy generation means by providing a rotatable shaft, so that no matter which direction the water flows into the impeller toward the horizontal axis of the generator is always water, so as to ensure maximum power generation. Especially for the use of tidal energy to generate electricity.

At the same time, by setting the shroud, the flow guide horizontal axis generators are concentrated, so that the horizontal axis turbine impeller force greater, faster speed, thereby enhancing the power generation efficiency. Preferably, the upstream and downstream of the horizontal axis turbine shroud are set so that even if the trend changes direction (such as high tide and low tide), the shroud can be effective in guiding the water flow.

Further, the frame is divided into separable outer frame and the inner frame, so that when ocean power device assembly of the present invention can be assembled within the framework of the horizontal axis generators and then mounted in a horizontal axis turbine fixed to the frame embedded within the outer frame, in order to achieve a modular installation and replacement, greatly reduced maintenance and installation costs, to overcome the traditional ocean energy power generation device can not be commercialized, larger problem.

Ocean according to an embodiment of the present invention, energy generation means may be provided by setting a fixed floating pontoon platform or pontoon units to be fixed by fixing means in the sea bed. Furthermore, by setting the ring and pull the cable, making ocean energy power generation device can be effectively fixed in the water, easy maintenance and inspection.

To make the above and other objects, features and advantages of the present invention will be more apparent from the following cited preferred embodiments accompanied with figures are described in detail below.

BRIEF DESCRIPTION

Figure 1 shows a plan view of energy generation apparatus in accordance with FIG ocean embodiment a first embodiment of the present invention is provided.

Figure 2 is a partially enlarged view of FIG.

FIG. 3 a front view of FIG. 1 is a cross-sectional view.

Figure 4 is a partial enlarged schematic view of FIG. Figure 5 shows a second marine provided in accordance with the present embodiment of the invention, a plan view of energy generation apparatus in FIG.

Figure 6 is a partial enlarged schematic view of FIG.

Figure 7 a front view of FIG. 5 is a cross-sectional view.

Figure 8 is a partial enlarged schematic view of FIG.

Figure 9 shows the oceans provide a third embodiment of the present invention according to energy generation plan view of the device in FIG.

FIG. 10 is a front cross-sectional view of FIG. 9 depends.

It is shown according to a fourth embodiment of the invention the marine energy generation means a plan view of FIG. 11.

FIG. 12 is a front sectional view of FIG. 11.

Figure 13 is a side cross-sectional view of FIG. 11.

Figure 14 shows the marine provided according to a fifth embodiment of the present invention is a side sectional view of a power generation apparatus. Figure 15 provides ocean according to a sixth embodiment of the present invention is a side sectional view of a power generation apparatus. detailed description

Figure 1 shows a plan view of energy generation apparatus in accordance with FIG ocean embodiment a first embodiment of the present invention is provided. Figure 2 is a partially enlarged view of FIG. FIG. 3 a front view of FIG. 1 is a cross-sectional view. Figure 4 is a partial enlarged schematic view of FIG. Please also refer to FIG. 1 to FIG.

Ocean energy power generation device 100 includes a housing 1, at least one of the shaft 2, at least one horizontal axis generator 4 and at least one drive unit 5. At least one rotary shaft 2 is rotatably disposed in the housing 1. The drive unit 5 is connected to the shaft 2 to drive the shaft 2 is rotated. At least one horizontal axis generator 4 is set to 2, the horizontal axis of the shaft of the generator 4 axis A2 parallel to the horizontal plane P. In the present embodiment, the axial direction of the shaft 2 perpendicular to the horizontal plane A1 of the P, however, the present invention is of the axial direction A1 of the rotary shaft 2 without any limitation.

In the present embodiment, the housing 1 is made of welded steel, and reduce the flow resistance design. Thus the frame 1 light weight, simple structure, easy manufacturing, installation, adjustment, and easy to replace them, suitable for engineering applications.

In the present embodiment, the frame 11 comprises an inner frame and an outer frame at least 12, at least one inner frame 12 is detachably provided in the outer frame 11 is, at least at both ends of a shaft 2 is rotatably disposed in an inner frame 12. Specifically, as shown in FIG. 2, the inner frame 12 is a plan cross-sectional view of a rectangular beam 121 having an intermediate. The ends of the shaft 2 is rotatably disposed in the middle of the cross member 121. However, the present invention will not be limited in any way to this. In other embodiments, the frame 1 may include only an outer frame 11, rather than having the framework 12.

In the present embodiment, the inner frame 12 may be provided with the hook, the outer frame may be provided with slots 11, 12 to each other within the framework of the card through the card slot and hook embedded in synthetic outer frame 11. However, the present invention is the way of inner frame 12 and the fixed frame 11 between the outer without any limitation. In practice, the number of inner frame 12 may be more than one, the number of the shaft 2 can be equal to the number of the inner frame 12, and the drive unit 5 is also equal to the number of the number 2 of the rotary shaft. However, the present invention will not be limited in any way to this. In other embodiments, a plurality of rotary shaft 2 can be disposed on the same inner frame 12, i.e., the number of the shaft 2 may be n times the number of inner frame 12, wherein n is an integer greater than one.

The horizontal axis generator 4 includes an impeller 41 and the generator 42, the horizontal axis of the shaft of the generator 4 to the axial direction A2 horizontal axis turbine impeller 4 41. In the present embodiment, the horizontal axis turbine impeller 4 as two generators, any combination of three or four impellers impeller generator of any one or generator. However, the present invention is a horizontal axis turbine blades 4 Number of impeller 41 without any limitation.

An inner frame 12, at least one of the shaft 2 and at least one horizontal shaft 4 together form generator built-in module. Since the horizontal axis turbine impeller 4 and 41 of the generator 42 all in the water, so if the horizontal axis generator 4 fails, traditional maritime energy generation device will require maintenance in the sea. Such service is very difficult and enormous costs. However, the ocean of the present invention is capable of generating device 100 can be directly embedded module from the sea removed for repair or replacement, realization ocean power rapid replacement and repair devices, greatly reducing maintenance costs, making ocean energy generation commercial device 100 can be achieve.

In the present embodiment, the drive unit 5 includes a motor 51 and a drive mechanism 52, transmission mechanism 52 connected to one end of the shaft 2 (the upper end in FIG. 4), the shaft 2 is rotated by the motor 51 driving the drive mechanism 52. In the present embodiment, the drive mechanism 52 includes a driving gear and a driven gear meshed with the driving gear. Motor 51 drives the driving gear, thereby driving the driven gears. The upper end of the gear shaft hole with the driven gear 2 tight fit, so as to drive the shaft 2 is rotated. However, the present invention will not be limited in any way to this. In other embodiments, the driving unit may include a motor and reducer. As the existing motor speed is faster, greatly reduced through the speed reducer, it can effectively and precisely control the spindle rotation speed and magnitude of 2.

In practice, when the direction of flow as shown in FIG. 1 D flow of water along ocean energy power generation device 100, the drive unit 5 does not work. In this case, the horizontal shaft 41 of the generator 4 for the flow of the impeller. When the water flow along the flow direction D in the opposite direction (as viewed from the top down by FIG. 1) to the ocean energy power generation device 100, the drive unit 5 drives the spindle 2 is rotated so as to drive the horizontal axis generator 4 is rotated 180 degrees, so that the impeller down from 41 to up to ensure the horizontal axis turbine impeller 4 of 41 always face the water. This is particularly applicable to the use of tidal power, to ensure maximum power generation.

Figure 5 shows a second marine provided in accordance with the present embodiment of the invention, a plan view of energy generation apparatus in FIG. Figure 6 is a partial enlarged schematic view of FIG. Figure 7 a front view of FIG. 5 is a cross-sectional view. Figure 8 is a partial enlarged schematic view of FIG. Please also refer to FIG. 5 through FIG. In the second embodiment, the frame 1, the shaft 2, the horizontal axis of the generator 4 and the drive unit 5 of the structure and function, Jieru the first embodiment, the same elements are indicated with the same reference numerals carry out, this is no longer repeat. Far different from the following be explained.

In the present embodiment, the ocean energy power generation device 200 also includes at least one shroud 6 fixed to the frame 1. Preferably, the marine energy generation apparatus 200 further includes a set of axisymmetric least two shroud 6 fixed to the frame 1, the shroud 6 are located on the horizontal axis of the generator 4 along the flow direction D of the upstream and downstream.

In the present embodiment, the shroud 6 is gradually reduced cylindrical diameter. Specifically, each of the two shrouds 6 along the inner frame 12 intermediate beams 121 axisymmetric. As shown in Figure 6, located above the shroud 6 having a diameter decreasing from top to bottom, is located below the shroud 6, the diameter decreasing from the bottom up. By setting the shroud 6, the horizontal axis guide concentrate flow generator 4, so that the impeller of the generator by a relatively larger force, faster speed, thereby improving the power generation efficiency. However, the present invention, the number and shape of the shroud 6 without any limitation. In other embodiments, the shroud 6 may be square then reduced diameter cylindrical transition.

In the present embodiment, the marine energy generation apparatus 200 further includes a Spar 7, the frame 1 and disposed parallel to the horizontal. Spar 7 solid buoyant material may be obtained, the main role is to give the entire ocean energy power generation device 200 provides buoyancy. In practice, Spar 7 is provided in the upper entire frame 1, 8 meters below sea level. However, the present invention is set 7 Spar height without any limitation.

In the present embodiment, the ocean energy power generation device 200 also includes a pull ring 81 and cable 82, the pull ring 81 provided on the frame 1, one end of the cable 82 is provided on the pull ring 81. Specifically, a plurality of pull ring 81 provided on the frame 1, one end of a plurality of cable 82 penetrates the pull-ring 81, and the other end is fixed on the shore of the pile. Preferably, the pull ring 81 in an amount of more than four, four of which are located in the outer frame 1 of the four corners. 82 through 81 and cable settings tab, make ocean energy power generation device 200 can be fixed in the water, but also facilitate the maintenance check.

Figure 9 shows the oceans provide a third embodiment of the present invention according to energy generation plan view of the device in FIG. FIG. 10 is a front cross-sectional view of FIG. 9 depends. Please also refer to FIG. 9 to FIG. 10.

In the third embodiment, the frame 1, the shaft 2, the horizontal axis of the generator 4, the drive unit 5, the shroud 6, the pull ring 81 and the structure and function of the cable 82, the second example embodiment Jieru, the same elements are carried out with the same reference numerals denote, not repeat them here. Far different from the following be explained. In the present embodiment, each of the two horizontal axis generator 4 mounted on a rotary shaft 2.

In the present embodiment, the apparatus 300 ocean power further comprises at least two pontoon units 3 provided on both sides of the frame 1, each pontoon unit 3 is parallel to the flow direction D and perpendicular to a horizontal plane P. In the present embodiment, each of the pontoon unit 3 includes a fixed float 31 and float 32 adjustment. Fixed floating pontoon 31 to provide Force is fixed. Adjust the float 32 floats can be adjusted to control the buoyancy 32 by controlling the amount of air or water inside, thus affecting the entire marine energy generation in water depth of 300 positions device.

In the present embodiment, the regulator float 32 parallel to the stationary buoy 31, when the use of marine energy generation apparatus 300, compared with the fixed adjustment buoy 32 floats at one end of the housing 31 away from the horizontal plane P 1 in. Specifically, as shown in FIG. 10, the float 32 is provided below the adjusted fixed float 31, and adjusting the distribution of floats 32 and float 31 fixed along the same line. Due to adjust buoyancy float 32 is adjustable by adjusting the float 32 is disposed above rather than below, which can effectively and quickly to the entire marine energy generation means 300 to adjust the depth of the water at the location, so that the entire ocean energy power generation device 300 installation and maintenance easier.

In the present embodiment, the number of inner frame 12 is six, the number of pontoon unit 3 is four, wherein the pontoon unit 3 is provided at two left and right sides of the outer frame 11, two additional pontoon unit 3 disposed to each two between the inner frame 12. A setting such that only one frame having side pontoon unit 3, an intermediate casing 3 also has a pontoon unit. Thus, the entire ocean energy power generation device 300 allocated by the buoyancy will be more evenly, so that marine energy generation means 300 positions in the water more stable. However, the number of inner frame 12 of the present invention and the pontoon unit 3 without any limitation.

It is shown according to a fourth embodiment of the invention the marine energy generation means a plan view of FIG. 11. FIG. 12 is a front sectional view of FIG. 11. Figure 13 is a side cross-sectional view of FIG. 11. Please also refer to FIG. 11 to FIG. 13. In the present embodiment, the frame 1, the shaft 2, the horizontal axis of the generator 4, the structure and function of the drive unit 5 and shroud 6, Jieru third embodiment, the same elements are indicated with the same reference numerals carry out, We are not discussed here. Far different from the following be explained.

In the present embodiment, the marine energy generation apparatus 400 further comprises a fixing device 9, device 9 comprises a fixed base 91, the fixing unit 92 and a plurality of anchor piles 93. The base 91 has a fixing groove 912. The frame 1 by the fixing unit 92 fixed to the base 91 of the fixing groove 912. At least one anchor 93 is provided through the base 91 and inserted into the seabed 20 is fixed.

In the present embodiment, the base 91 is a reinforced concrete base, also having a plurality of fixing space 911, the space 911 fixed cross-sectional area (horizontal plane parallel to the cross-section) is greater than each anchorage 93 in the radial direction of the cross area, concrete pouring and filling the gap with fixed space 911 between the anchor pile 93. In practice, the base 91 is formed first prefabricated reinforced concrete frame and hanging into the sea, after which the anchor 93 each through the fixed space 911 into the seabed 20, and finally pouring concrete into the second space 911 is fixed to a fixed anchor pile 93. A very large cross-sectional area by providing a plurality of fixed space 911 so that the base 91 is a lot of "space" or "holes" in the frame has. Thus, the base 91 can be greatly reduced weight, easy to hang the base 91 into the sea thereby facilitating installation. In the present embodiment, the axial direction of the fixing grooves 912 is parallel to the horizontal and perpendicular to the flow direction. In the present embodiment, the fixing groove 912 is a rectangular parallelepiped recess, and is disposed on top of the base 91. Fixing groove bottom 912 below the upper surface of the base 91. In the present embodiment, the fixed width of the groove 912 may be slightly larger than the width of the outer frame 1 of the frame body 11 positioned just to the frame 1. By setting the surface of the fixing groove 912 of the base 91, the fixing position of marine energy generation means 400, to overcome the problems of conventional art due to the trend would have a tremendous impact force generating means generating device so easily skewed. Accordingly, the present invention is a marine energy generation apparatus 400 will maintain positive flow of current to ensure maximum utilization of the power generation efficiency can be improved.

In practice, in order to reduce the weight and volume of the base 91, the base 91 is divided into three parts separable. A plurality of fixing unit 92 includes a plurality of chain rings 921 and 922, a portion of the bail 922 is not fixed to the base two of a fixed frame 91, another part of the bail 922 is fixed to the frame 1, both ends of each chain 921 respectively connected to the base 91 of the rings and rings 1 922 on the frame 922. In the present embodiment, the chain rings 921 and 922 to the frame 1 is disposed symmetrically on both sides of the frame body 1 can be fixed so as to maintain tension on both sides. So, whether it is high tide or low tide, the housing 1 can remain stable so that the entire ocean energy power generation device 400 positive impact on the trend in order to improve power generation efficiency. In particular applications, the chains 921 may be rigid rod or cable.

In the present embodiment, the fixing device further comprises a lead frame 94 9. In practice, the base 91 is to be plumbed into the seabed 20, and then the frame fixing groove 9121 into the base 91. The guide holder 94 is perpendicular to the plane of the side of the guide casing 1 can correctly enter into the fixing groove 912. The top 94 of the lead frame is exposed above the horizontal plane, the guide holder 94 is easy to install but also looked at whether the base 91 is placed horizontally.

Figure 14 shows the marine provided according to a fifth embodiment of the present invention is a side sectional view of a power generation apparatus. In the fifth embodiment, in the present embodiment, the frame 1, the shaft 2, the horizontal axis of the generator 4, the structure and function of the drive unit 5 and shroud 6, Jieru the fourth example embodiment, in which not repeat them. Identical elements be expressed in the same reference numerals. Far different from the following be explained.

In the present embodiment, the fixing device 9 'comprises a base 91, the fixing unit 92' and a plurality of anchor piles 93. A fixing unit 92 'of the truss, the truss is embedded in one side of the base 91, the other edge height direction of the frame 1 extends. Preferably, the truss to truss steel seat. In the present embodiment, the cross-section of the truss of a right triangle, a right-angle side of the truss by pouring concrete fixed to the base 91, another right-angled edge is parallel to the height direction of the housing 1. Triangular structure of the most stable. In the present embodiment, the fixing unit 92 'are disposed symmetrically at both sides of the frame 1, so that the frame 1 in both directions reliable fixing. So, whether it is high tide or low tide, the housing 1 can remain stable so that the entire ocean energy power generation device can be positive impact on the trend in order to improve power generation efficiency. The present invention is the length of the truss height direction at right angles to the edge without any limitation. Figure 15 provides ocean according to a sixth embodiment of the present invention is a side sectional view of a power generation apparatus. The difference between the sixth embodiment and the fifth embodiment only in the sixth embodiment of the fixing device 9 "concrete blocks in the present embodiment, the height of the concrete blocks is greater than the height of the two-frame ocean energy power generation device 1 one-half. However, the present invention is highly concrete block without any limitation.

In summary, the present invention provides a marine energy generation means by providing a rotatable shaft, so that no matter which direction the water flows into the impeller toward the horizontal axis of the generator is always water, so as to ensure maximum power generation. Especially for the use of tidal energy to generate electricity.

At the same time, by setting the shroud, the flow guide horizontal axis generators are concentrated, so that the horizontal axis turbine impeller force greater, faster speed, thereby enhancing the power generation efficiency. Preferably, the upstream and downstream of the horizontal axis turbine shroud are set so that even if the trend changes direction (such as high tide and low tide), the shroud can be effective in guiding the water flow.

Further, the frame is divided into separable outer frame and the inner frame, so that when ocean power device assembly of the present invention can be assembled within the framework of the horizontal axis generators and then mounted in a horizontal axis turbine fixed to the frame embedded within the outer frame, in order to achieve a modular installation and replacement, greatly reduced maintenance and installation costs, to overcome the traditional ocean energy power generation device can not be commercialized, larger problem.

Ocean according to an embodiment of the present invention, energy generation means may be provided by setting a fixed floating pontoon platform or pontoon units to be fixed by fixing means in the sea bed. Furthermore, by setting the ring and pull the cable, making ocean energy power generation device can be effectively fixed in the water, easy maintenance and inspection.

Although the present invention has been revealed as the preferred embodiment, however, not intended to limit the present invention, any known this skill in the art, without departing from the spirit and scope of the present invention can be used for a modicum of modifications and variations of the present invention is therefore depending on the scope when the scope of the claims claimed prevail.