TWI582310B - Ocean current power generating apparatus - Google Patents

Description

Ocean current power generation device

The present invention relates to a power generating device, and more particularly to a sea current power generating device.

At present, people's power sources mainly rely on burning petrochemical energy and nuclear energy. However, the earth's petrochemical energy is decreasing under consumption, and nuclear energy has security concerns. Therefore, the development of green energy is one of the main goals of national research.

Taiwan is surrounded by the sea, and the seawater in the ocean is in a state of constant movement. It not only has abundant kinetic energy, but also can be regenerated indefinitely and will not be reduced as it is consumed. If these kinetic energy can be used to generate electricity, it can provide a lot of electric energy. It does not cause additional pollution to the environment.

Accordingly, it is an object of the present invention to provide a current generating device that can utilize ocean currents for power generation.

Therefore, the current power generating device of the present invention comprises a base unit, a tail end buoyancy module, two support cables, and a plurality of power generating units.

The base unit is disposed on the sea floor.

The tail end buoyancy module includes a tail end float.

The support cables are spaced apart and are respectively connected between the base unit and the tail end buoyancy module.

The power generating unit includes a first fixing frame, a second fixing frame, a third fixing frame, a buoyancy module, a connecting cable, and a power generating module respectively disposed on the supporting cables, and the power cables respectively The second fixing frame and the third fixing frame are disposed with a first end adjacent to the third fixing frame and connected to the buoyancy module and a second end adjacent to the second fixing frame, the power generating mold The set has a fixed shaft disposed on the first fixed frame and connected to the second end of the connecting cable, a generator disposed at an end of the fixed shaft away from the first fixed frame, and a generator disposed on the generator When rotating, the fan blades generated by the generator are driven.

2‧‧‧Base unit

21‧‧‧Base

22‧‧‧ pivot seat

23‧‧‧Links

3‧‧‧End buoyancy module

31‧‧‧End float

32‧‧‧End Drainage

4‧‧‧Support cable

5‧‧‧Power unit

51‧‧‧First power generation unit

52‧‧‧Second power generation unit

53‧‧‧First mount

531‧‧‧Fixed parts

532‧‧‧ pivot shaft

54‧‧‧Second holder

541‧‧‧Fixed parts

542‧‧‧ pivot shaft

543‧‧‧Limited parts

544‧‧‧Limited slot

55‧‧‧third mount

551‧‧‧Fixed parts

552‧‧‧ pivot shaft

553‧‧‧Limited parts

554‧‧‧Limited slot

56‧‧‧ buoyancy module

561‧‧‧Floating ball

562‧‧‧First float

563‧‧‧second float

564‧‧‧Drainage

565‧‧‧First pumping device

566‧‧‧Second pumping device

567‧‧‧ Lifting wing

57‧‧‧ linkage

571‧‧‧ first end

572‧‧‧second end

58‧‧‧Power Module

581‧‧‧Fixed shaft

582‧‧‧Generator

583‧‧‧First generator

584‧‧‧second generator

585‧‧‧ fan leaves

Θ‧‧‧ angle

6‧‧‧Sensor unit

61‧‧‧Water temperature sensor

62‧‧‧Water flu detector

63‧‧‧Focus Float Depth Sensor

64‧‧‧Generator horizontal angle sensor

641‧‧‧First generator horizontal angle sensor

642‧‧‧Second generator horizontal angle sensor

65‧‧‧ Analog Digital Signal Converter

66‧‧‧Generator power detector

7‧‧‧Processing unit

71‧‧‧Generator Controller

72‧‧‧Drainage controller

73‧‧‧ Processor

74‧‧‧Signal transmitter

75‧‧‧Rechargeable battery

76‧‧‧Charging circuit

77‧‧‧weighted and biased value database

78‧‧‧Frequency transformer

8‧‧‧Substation

9‧‧‧ Client

L1‧‧‧first axial direction

L2‧‧‧second axial

The other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: FIG. 1 is a perspective view of an embodiment of the present invention; FIG. 2 is a circuit of the embodiment; Figure 3 is a perspective view showing a power generating unit of the embodiment; Figure 4 is a schematic view showing a type of neural network operation used in the embodiment; Figure 5 is a flow chart of the embodiment; Figure 6 It is a schematic diagram of the plurality of floats of the embodiment, illustrating the relationship between the amount of water of the floats and the pressure; and Fig. 7 is a schematic view showing the arrangement of the embodiment.

Referring to FIG. 1 and FIG. 2, an embodiment of the current power generating device of the present invention comprises: a base unit 2, a tail end buoyancy module 3, two support cables 4, two power generating units 5, a sensing unit 6, and a processing Unit 7.

In the present embodiment, for convenience of description, two power generating units 5 are taken as an example, and are respectively labeled as the first power generating unit 51 and the second power generating unit 52, but the actual application may be three, four or more according to requirements. The quantity is not limited to this.

The base unit 2 includes a base 21 fixed to the sea floor, a pivoting seat 22 pivoted on the base 21 and pivotable about a first axial direction L1, and a pivoting seat And a connecting member 23 rotatable about a second axial direction L2 perpendicular to the first axial direction L1, pivoting about the first axial direction L1 through the pivoting seat 22 and the connecting member 23 about the second axis Rotating to L2 allows the support cables 4 to be interlocked for a full range of motion.

The tail end buoyancy module 3 includes a tail end float ball 31, a tail end draining device 32 connected to the tail end float ball 31 for drawing in and discharging the internal water amount of the tail end float ball 31, by drawing in And discharging the amount of water inside the tail float 31 changes the density of the tail float 31 to adjust the depth of the tail float 31 at the bottom of the water.

The support cables 4 are spaced apart and are respectively connected between an end of the connecting member 23 away from the pivoting seat 22 and the end buoyancy module 3 .

Referring to FIG. 1 and FIG. 3 , each power generating unit 5 includes a first fixing frame 53 , a second fixing frame 54 , a third fixing frame 55 , a buoyancy module 56 , and a first fixing frame 53 respectively disposed on the supporting cables 4 . Linkage cable 57, and a power generation die Group 58.

The first fixing frame 53 has two fixing members 531 respectively disposed on the supporting cables 4 and a pivot shaft 532 pivotally mounted on the fixing members 531.

The second fixing frame 54 and the third fixing frame 55 respectively have two fixing members 541 and 551 respectively disposed on the supporting cables 4 and pivot shafts 542 and 552 pivoted on the fixing members 541 and 551. And a limiting member 543, 553 disposed on the fixing members 541, 551 and forming a limiting groove 544, 554 near the edge of the pivot shafts 542, 552.

The buoyancy module 56 has a floating ball 561 (labeled as a first float 562 and a second float 563 in FIG. 1 respectively) disposed on the link 57, and two fixed to the third mount 55. a lifting member 567 extending outwardly from the member 551 and a pumping 564 connected to the floating ball 561 for drawing and discharging the amount of water inside the floating ball 561 (indicated as the first pumping 565 in FIG. 1, respectively) And the second pumping unit 566), the density of the floating ball 561 is changed by drawing in and discharging the amount of water inside the floating ball 561 to adjust the depth of the floating ball 561 at the bottom of the water.

In this embodiment, the floating ball 561 and the tail end floating ball 31 are all in a honeycomb structure, and each of the honeycomb cells is connected to each other for seawater circulation, without significantly increasing the weight and maintaining the internal space. Increase the structural strength, but not limited to this.

In the present embodiment, the upper surface curvature of the lifting wings 567 is greater than the lower surface curvature, so that when the current flows, the upward buoyancy of the lifting wings 567 is provided according to the law of Bainuuli, but not limited thereto.

The connecting cables 57 are respectively disposed in the limiting slots 544, 554 of the second fixing bracket 54 and the third fixing bracket 55, and have a first one adjacent to the third fixing bracket 55 and connected to the floating ball 561. End 571, and a second end 572 adjacent to the second mount 54.

The power generating module 58 has a fixed shaft 581 disposed on the pivot shaft 532 of the first mounting bracket 53 and connected to the second end 572 of the connecting cable 57. The fixing shaft 581 is disposed away from the first fixing frame 53. a generator 582 at one end (labeled as a first generator 583 and a second generator 584 in FIG. 1 respectively), and a blade 585 disposed on the generator 582 and capable of driving the generator 582 to generate electricity when rotated, The fixed shaft 581 can be interlocked with the interlocking cable 57 to change the angle θ between the fixed shaft 581 and the horizontal.

In this embodiment, the angle θ between the fixed shaft 581 and the horizontal can also be adjusted by controlling the rotation of the pivot shaft 532 of the first fixing frame 53 so that the blade 585 of the power generating module 58 can better meet the direction. Current, but not limited to this.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the sensing unit 6 includes: a water temperature sensor 61 for sensing and outputting a water temperature signal, and a water flu test for sensing and outputting a water flow signal. 62, a tail-end float depth sensor 63 for sensing and outputting a depth signal, and a two-generator horizontal angle sensor 64 for sensing and outputting an angle signal respectively (FIG. 1, FIG. 3 is denoted as a first generator horizontal angle sensor 641 and a second generator horizontal angle sensor 642), a four analog digital signal converter 65, and a generator power detector 66.

Referring to Figures 1 and 2, the analog digital signal converters 65 The water temperature sensor 61, the water flu detector 62, the tail float depth sensor 63, and the generator horizontal angle sensors 641, 642 are respectively electrically connected and respectively received and heated The signal, the water flow signal, the depth signal and the angle signal are analog digital signal conversion, and the generator power detector 66 is electrically connected to the generators 583 and 584 and used to detect the outputs of the generators 583 and 584. Power and output.

In this embodiment, the water temperature sensor 61, the water flu detector 62, and the tail float depth sensor 63 are respectively disposed on the tail float 31, and the generators are horizontally angled. The sensors 641 and 642 are respectively disposed on the fixed shafts 581 of the power generating units 51 and 52, but are not limited thereto.

The processing unit 7 includes a generator controller 71 electrically connected to the generators 583, 584, a pumping and draining controller 72 electrically connected to the drains 565, 566, and 32, respectively, and an electrical connection. The analog digital signal converter 65, the generator power detector 66, the generator controller 71 and the processor 73 of the pumping and draining controller 72, and a signal transmission electrically connecting the processor 73 and a substation 8 And a rechargeable battery 75 for electrically connecting the processor 73, the generator controller 71 and the pumping and draining controller 72, and for electrically connecting the rechargeable battery 75 and for charging the rechargeable battery 75. a charging circuit 76, a weighting value and bias value database 77, and a variable frequency transformer 78 electrically connected to the generators 583, 584, the generator controller 71, the charging circuit 76, and the substation 8, respectively The charging circuit 76 is electrically coupled to the generators 583, 584 via the variable frequency transformer 78.

The processor 73 respectively receives the analog digital signal converted a water temperature signal, the water flow signal, the depth signal, and the angle signal, and using the celestial light network calculation to determine the buoyancy modules 562, 563 and the respective floating balls 562 of the tail end buoyancy module 3, Pumping displacement of 563, 31.

Referring to FIG. 1 and FIG. 4, a schematic diagram of a neural network-like operation. In this embodiment, the input layer is water temperature, water flow velocity, tail float depth, horizontal angle θ of the generators, and the generators. The power generation, the number of hidden layers is one layer, and the output layer is the drainage volume of the floating balls 562, 563 and the tail floating ball 31. Since the neural network operation is familiar to the industry, it is not described here. .

Referring to Figures 1 and 2, the variable frequency transformer 78 receives the electrical energy generated by the generators 583, 584, outputs to the substation 8 for use by the customer terminal 9, and charges the rechargeable battery 75 via the charging circuit 76. .

Referring to FIG. 1 , FIG. 2 and FIG. 5 , in general use, after the system is initialized, the processor 73 receives the water temperature sensor 61 , the water flu detector 62 , and the tail floating depth sensor respectively. 63. The generator horizontal angle sensors 641, 642 and the monitoring signals transmitted by the generator power detector 66 to obtain water temperature, water flow speed, tail float depth, and the generators The horizontal angle θ, the generator power generation and other parameters, and the above parameters and the weighted value and the data in the bias value database 77 are input into the neural network for recall operation to output the individual floats 562, 563 and the tail. Controlling parameter commands corresponding to the pumping displacement of the end float 31, and driving the drains 565, 566 and the trailing end drain 32 according to the control parameters to adjust the individual floats 562, 563 and the tail float The buoyancy of 31, while learning calculus to update and maintain the weighted value and the bias value database 77 data of.

Referring to FIG. 2 and FIG. 6, when the amount of water in the floats 562, 563, 31 changes, the density of the floats 562, 563, 31 changes and rises or falls in the seawater. In this embodiment, The initial state of the floats 562, 563, 31 is the amount of water injected into the inner volume of the floats 562, 563, 31 by 1/3, and the pressure of the air portion is maintained at a pressure of one atmosphere (as shown by the float 561 in the figure). When it is desired to reduce the buoyancy of the floats 562, 563, 31 to lower the floats 562, 563, 31, the drains 565, 566, 32 can be controlled by the drain control 72, respectively. The floating balls 562, 563, and 31 are injected into the seawater, and the maximum value can be injected into the internal volume of 2/3 of the water volume, and the pressure of the air portion is two atmospheres (as shown by the floating ball 562 in the figure). When the buoyancy of the floats 562, 563, 31 is such that the floats 562, 563, 31 rise, the drains 565, 566, 32 can be controlled by the drain controller 72 to discharge the floats. The minimum value of seawater in 562, 563, and 31 can be discharged to the inside without water, and the pressure of the air portion is 2/3 atmosphere ( Float 31 shown in FIG.), But is not limited thereto.

Referring to FIG. 3, when the floating ball 561 is raised, the connecting cable 57 is moved upward and moved, and the power generating mold is pulled through the limiting brackets 544, 554 of the second fixing bracket 54 and the third fixing bracket 55. The fixed shaft 581 of the group 58 changes the angle θ between the fixed shaft 581 and the horizontal, thereby affecting the fan blade 585 of the power generating module 58 to better greet the current, so as to obtain better power generation efficiency.

In the embodiment, by connecting the pivot shafts 542 and 552 of the second fixing frame 54 and the third fixing frame 55, the linkage cable 57 can be lowered. The frictional force during interlocking reduces the wear of the interlocking cable 57 and improves the durability of the device.

Referring to FIG. 2 and FIG. 7 , in actual application, a plurality of ocean current power generating devices can be disposed on the sea floor at the same time, and the electric energy generated by the sea current power generating devices is respectively transmitted to the substation 8 via the variable frequency transformer 78, and then It is sent to the user terminal 9 via the substation 8 .

The variable frequency transformer 78 not only receives the electric energy generated by the generators 583, 584 to output to the substation 8, but also returns the power generation status of the generators 583, 584 to the generator controller 71. For the generator controller 71 to confirm whether the generators 583, 584 are operating normally, the processor 73 receives the operational status information of the generators 583, 584, and outputs the information to the substation through the signal transmitter 74. 8. The operating state of each of the marine power generating devices of the substation 8 is provided, and the substation 8 can also transmit a test signal to the processor 73 of each current generating device through the signal transmitter 74 to facilitate the current flow. Maintenance care for power generation units.

Through the above description, the advantages of this embodiment can be summarized as follows:

1. The present embodiment provides a current generating device capable of utilizing ocean current power generation, which can provide a large amount of energy without causing pollution to the environment.

Second, the floating ball 561 is used to pull the linkage cable 57 to change the angle θ between the fixed shaft 581 and the horizontal, which can further affect the fan blade 585 of the power generation module 58 to better meet the current flow, so as to obtain better power generation efficiency. And the fixed shaft 581 can also be rotated by the pivot shaft 532 of the first fixing frame 53 The angle θ between the fixed shaft 581 and the horizontal is changed to affect the fan blade 585 of the power generating module 58 to greet the current.

3. The pivoting seat 22 of the base unit 2 pivots about the first axial direction L1 and the connecting member 23 rotates about the second axial direction L2, so that the supporting cables 4 can be interlocked to affect the power generation. The module 58 has a full range of motion.

4. By designing the interiors of the floats 562, 563 and the tail float 31 to be interconnected, the structural strength can be increased without significantly increasing the weight and retaining the internal space.

5. Since the upper surface curvature of the lifting wings 567 is greater than the lower surface curvature, more buoyancy of the power generating units 5 can be provided to avoid touching the sea floor.

6. By providing the pivot shafts 542 and 552 of the second fixing frame 54 and the third fixing frame 55, the frictional force of the connecting cable 57 during the interlocking can be reduced, so as to reduce the wear of the connecting cable 57 and improve the durability of the device. degree.

7. The power generation state of the generators 583, 584 is returned to the processor 73 via the inverter controller 78, and it can be confirmed whether the generators 583, 584 are operating normally, and the change is made. The electric power station 8 can respectively transmit test signals to the processor 73 of each current power generating device through the signal transmitter 74 to facilitate maintenance and care of the current power generating device.

In summary, the present invention can not only utilize sea current power generation, but also actively adjust the direction of the blade 585 to obtain better power generation efficiency, and is convenient for maintenance and care, so that the object of the present invention can be achieved.

However, the above is only an embodiment of the present invention, when The scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the present invention in the scope of the invention and the patent specification are still within the scope of the invention.

2‧‧‧Base unit

21‧‧‧Base

22‧‧‧ pivot seat

23‧‧‧Links

3‧‧‧End buoyancy module

31‧‧‧End float

32‧‧‧End Drainage

4‧‧‧Support cable

5‧‧‧Power unit

51‧‧‧First power generation unit

52‧‧‧Second power generation unit

562‧‧‧First float

563‧‧‧second float

565‧‧‧First pumping device

566‧‧‧Second pumping device

581‧‧‧Fixed shaft

583‧‧‧First generator

584‧‧‧second generator

6‧‧‧Sensor unit

61‧‧‧Water temperature sensor

62‧‧‧Water flu detector

63‧‧‧Focus Float Depth Sensor

641‧‧‧First generator horizontal angle sensor

642‧‧‧Second generator horizontal angle sensor

L1‧‧‧first axial direction

L2‧‧‧second axial

Claims (8)

A sea current power generation device comprising: a base unit disposed on the sea floor; a tail end buoyancy module including a tail end float ball; and two support cables spaced apart and respectively connected to the base unit and the tail end buoyancy mold And a plurality of power generating units, including a first fixing frame, a second fixing frame, a third fixing frame, a buoyancy module, a connecting cable, and a power generating module respectively disposed on the supporting cables. The connecting cable respectively passes through the second fixing frame and the third fixing frame and has a first end adjacent to the third fixing frame and connected to the buoyancy module and a second end adjacent to the second fixing frame The power generating module has a fixed shaft disposed on the first fixing frame and connected to the second end of the connecting cable, a generator disposed at an end of the fixed shaft away from the first fixing frame, and a generator disposed on the hair shaft a motor and a fan blade that generates power generated by the generator when rotating; wherein the buoyancy module has a float disposed at a first end of the linkage cable, and a connection to the float ball for drawing in and discharging the fan Pumping water inside the float, the second The fixing frame and the third fixing frame respectively have: two fixing members respectively disposed on the supporting cables, a pivoting shaft pivoted on the fixing members, and a fixing shaft disposed on the fixing member and adjacent to the pivoting shaft a limiting member is formed at the edge of the limiting slot, and the connecting cable is respectively disposed in the limiting slot of the second fixing frame and the third fixing frame, and is connected to the fixed shaft by the lifting and lowering of the floating ball to change the An angle between the fixed shaft and the horizontal; wherein the first fixing frame has two fixing members respectively disposed on the supporting cables, and a pivoting shaft pivoted on the fixing members and disposed on the fixing shaft, the pivoting shaft can The fixed shaft is interlocked while rotating to change the angle between the fixed shaft and the horizontal. The marine current power generating device of claim 1, wherein the tail end buoyancy module further comprises a tail end draining device connected to the tail end floating ball for drawing in and discharging the water amount of the tail end floating ball, and The floating balls and the inside of the floating ball are honeycomb-like structures, and the honeycomb cells are connected to each other. The current generating device of claim 1, wherein the buoyancy module has two lifting wings respectively disposed on the fixing members of the third fixing frame and extending outwardly, and the upper surface curvature of the lifting blades is greater than the lower surface curvature . The marine current power generating device of claim 1, wherein the base unit comprises a base fixed to the sea floor, a pivoting seat pivoted to the base and pivotable about a first axis, and a connecting member pivoted to the pivoting seat and rotatable about a second axis perpendicular to the first axial direction, and the supporting cables are respectively connected to one end of the connecting member away from the pivoting seat. The current generating device of claim 1, further comprising a sensing unit, the sensing unit comprising: a water temperature sensor for sensing and outputting a water temperature signal, and a sensing and outputting one A water-fluid detector for water flow signals, a tail-end float sensor for sensing and outputting a depth signal, a generator horizontal angle sensor for sensing and outputting an angle signal, and four analogies a digital signal converter, and a generator power detector, the analog digital signal converters are electrically connected to the water temperature sensing The water flu detector, the tail float depth sensor, and the generator horizontal angle sensor respectively receive and correlate the water temperature signal, the water flow signal, the depth signal, and the angle signal Analog digital signal conversion, the generator power detector is electrically connected to the generators and used to detect the output power of the generators. The marine current power generating device of claim 5, further comprising a processing unit, the processing unit comprising a generator controller electrically connected to the generators, and a pumping and draining controller electrically connecting the drainers, respectively A processor electrically coupled to the analog digital signal converter, the generator controller and the drain controller, and a signal transmitter electrically coupled to the processor. The ocean current power generating device according to claim 6, wherein the processing unit receives the water temperature signal, the water flow signal, the depth signal, and the angle signal after the analog digital signal conversion, and uses a neural network to calculate The pumping displacement of the buoyancy module and the respective floating balls of the tail end buoyancy module. The mobile power generating device of claim 6, the processing unit further comprising a rechargeable battery electrically connected to the processor, the generator controller and the drain controller, and configured to provide power, and electrically connecting the rechargeable battery And a charging circuit for the generators to charge the rechargeable battery.