Raft type wave energy conversion device

Abstract

The utility model relates to an energy conversion device for raft type wave energy, which belongs to the technical field of raft type wave energy and comprises two floating block shells, energy input shafts are rotatably mounted on opposite sides of the two floating block shells, energy input gears are fixedly mounted on the surfaces of the energy input shafts, and the energy input gears are connected with the floating block shells. A connecting rod is fixedly installed between the two energy input gears, transmission shafts are rotationally installed on the opposite sides of the two floating block shells, transmission gears meshed with the energy input gears are fixedly installed on the surfaces of the transmission shafts, and bidirectional energy recovery assemblies are arranged on the floating block shells. According to the raft type wave energy conversion device, the connecting rod is arranged between the two floating block shells, the torque between the floating block shells is increased, the extreme sea condition resisting capacity is improved, the bidirectional clutch boxes are arranged in the floating block shells, the force generated when the floating block shells ascend and descend is collected, and the structure no-load is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to raft type wave energy technical field, concretely is a raft type wave energy's energy conversion device. BACKGROUND

[0002] Wave energy is the kinetic energy and potential energy that the ocean surface wave has, and wave energy is generated by wind transferring energy to the ocean, and is formed by absorbing wind energy, and its energy transmission rate is related to wind speed, and is also related to the distance of wind and water interaction. Wave energy has the advantages of high energy density, wide distribution, renewable and green environmental protection. It is the most unstable energy among marine energy, cannot be produced regularly, and has the characteristics of strong energy but slow speed and periodic change.

[0003] The wave energy power generation device first absorbs wave energy through a wave energy capturing device, then converts the wave energy into stable output mechanical energy through a transmission mechanism, and then converts the mechanical energy into electrical energy using a power generation device. According to different energy conversion forms, it is divided into mechanical power generation, pneumatic power generation and hydraulic power generation. Among them, the mechanical type is to realize the transmission of wave energy from reciprocating motion to unidirectional rotary motion through a certain transmission mechanism to drive the generator to generate electricity, and the raft type wave energy's energy conversion device is to use the movement of waves to push the raft of the device to produce reciprocating motion, drive the mechanical system or the hydraulic system of oil, water and other intermediate media, and then push the power generation device to generate electricity

[0004] However, the common raft type wave energy generator has weak extreme sea state resistance, short distance between raft blocks, small torque, and can only collect energy for half a cycle, energy collection loss is serious, manufacturing technology requirement is high, cost is high, and therefore a raft type wave energy's energy conversion device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a raft type wave energy's energy conversion device, which has the advantages of improving the resistance to extreme sea conditions, collecting different turning forces, reducing the structure empty load, and solving the problems of common raft type wave energy generator weak extreme sea state resistance, short distance between raft blocks, small torque, and only collecting energy for half a cycle, serious energy collection loss, high manufacturing technology requirement and high cost.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a raft wave energy's energy conversion device, including the float block shell, two opposite sides of the float block shell rotatory installation have energy input shaft, the surface of energy input shaft fixedly installed has energy input gear, two energy input gears between fixedly installed have connecting rod, two opposite sides of the float block shell rotatory installation have transmission shaft, the surface of transmission shaft fixedly installed has transmission gear with energy input gear is engaged, be provided with two -way energy recovery sub -assembly on the float block shell,

[0008] Two -way energy recovery sub -assembly includes fixedly installed in the float block shell inside two -way clutch box, one side of the float block shell rotatory installation has the ascending output shaft and the descending output shaft, one side of the float block shell fixedly installed has the ascending generator and the descending generator, the ascending output shaft and the descending output shaft are fixedly connected with the input end of ascending generator and descending generator respectively.

[0009] Further, the inside of the float block shell is fixedly installed with a five-gear box and a four-gear box, one end of the transmission shaft is fixedly connected with the input end of the five-gear box, the other end of the transmission shaft is fixedly connected with the input end of the four-gear box.

[0010] Further, the inside of the five-gear box is rotatably installed with a five-gear set, and the inside of the four-gear box is rotatably installed with a four-gear set.

[0011] Further, the inside of the float block shell is fixedly installed with a bevel gear box, and the two sides of the bevel gear box away from each other are rotatably installed with reversing input shafts, one of the reversing input shafts is fixedly connected with the output end of the five-gear box, and the other reversing input shaft is fixedly connected with the output end of the four-gear box.

[0012] Further, the inside of the bevel gear box is rotatably installed with a bevel gear set, and one side of the bevel gear box is rotatably installed with a reversing output shaft.

[0013] Further, the inside of the two-way clutch box is rotatably installed with an intermediate gear, the reversing output shaft is fixedly connected with the intermediate gear, the inside of the two-way clutch box is rotatably installed with an ascending ratchet wheel and a descending ratchet wheel, and the ascending ratchet wheel and the descending ratchet wheel are engaged with the intermediate gear respectively.

[0014] Further, the inside of the float block shell is fixedly installed with two output gear boxes, one side of the ascending ratchet wheel and the descending ratchet wheel is fixedly installed with a communication shaft, the communication shaft is fixedly connected with the input end of the two output gear boxes respectively, and the inside of the output gear box is rotatably installed with an output gear set.

[0015] Further, the output shafts of the two output gear boxes are fixedly connected with the ascending output shaft and the descending output shaft respectively, the ascending ratchet wheel is matched with the ascending output shaft, and the descending ratchet wheel is matched with the descending output shaft.

[0016] Compared with the prior art, the raft type wave energy energy conversion device has the following beneficial effects:

[0017] 1. The raft type wave energy energy conversion device, by setting the connecting rod between the two floating block shells, increasing the moment of force between the floating block shells, improving the ability to resist extreme sea conditions, setting a bidirectional clutch box inside the floating block shell, collecting the force when the floating block shell rises and falls, reducing the structure empty load, solving the common raft type wave energy generator weak resistance to extreme sea conditions, short distance between raft blocks, small moment of force, and only collecting half cycle energy, energy collection loss is serious, manufacturing technology requirement is high, cost is high.

[0018] 2. The raft type wave energy energy conversion device, by connecting rod moving up and down with two floating block shells, making the energy input gear at both ends of the connecting rod rotate, driving the five gear set and four gear set to rotate, driving the bevel gear set to rotate, through the five gear box and four gear box, cooperating with the bevel gear box to transmit greater force, improving the efficiency of energy conversion. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a floating block shell section view of the utility model;

[0021] Figure 3 It is a three-dimensional view of the internal structure of the floating block shell of the utility model;

[0022] Figure 4 It is a plan view of the internal structure of the floating block shell of the utility model;

[0023] Figure 5 It is a side view section view of the bidirectional clutch box of the utility model.

[0024] In the drawing: 1, floating block shell; 2, energy input shaft; 3, energy input gear; 4, connecting rod; 5, transmission shaft; 6, transmission gear; 7, five gear box; 71, five gear set; 8, four gear box; 81, four gear set; 9, bevel gear box; 91, bevel gear set; 911, reversing input shaft; 912, reversing output shaft; 10, bidirectional clutch box; 101, intermediate gear; 102, rising ratchet wheel; 103, falling ratchet wheel; 1021, communication shaft; 11, output gear box; 111, output gear set; 12, rising output shaft; 13, falling output shaft; 14, rising generator; 15, falling generator. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1 to 5 The energy conversion device of the raft type wave energy in the embodiment comprises a floating block shell 1, opposite sides of the two floating block shells 1 are rotationally installed with energy input shafts 2, surfaces of the energy input shafts 2 are fixedly installed with energy input gears 3, the two energy input gears 3 are fixedly installed with connecting rods 4, opposite sides of the two floating block shells 1 are rotationally installed with transmission shafts 5, surfaces of the transmission shafts 5 are fixedly installed with transmission gears 6 engaged with the energy input gears 3, and the floating block shells 1 are provided with bidirectional energy recovery assemblies. The floating block shells 1 move up and down under the action of waves, drive the two ends of the connecting rods 4 to alternately swing up and down, drive the energy input gears 3 to rotate, drive the transmission gears 6 to rotate, and drive the transmission shafts 5 to rotate.

[0027] The bidirectional energy recovery assembly comprises a bidirectional clutch box 10 fixedly installed inside the floating block shell 1, the floating block shell 1 is rotationally installed with an ascending output shaft 12 and a descending output shaft 13, the floating block shell 1 is fixedly installed with an ascending generator 14 and a descending generator 15, and the ascending output shaft 12 and the descending output shaft 13 are fixedly connected with input ends of the ascending generator 14 and the descending generator 15. The transmission shafts 5 rotate in different directions when the two floating block shells 1 move up and down, drive the ascending output shaft 12 and the descending output shaft 13 to rotate through the bidirectional clutch box 10, and drive the ascending generator 14 and the descending generator 15 to generate electricity.

[0028] Specifically, the floating block shells 1 move up and down under the action of waves, drive the two ends of the connecting rods 4 to alternately swing up and down, drive the energy input gears 3 to rotate, drive the transmission gears 6 to rotate, drive the transmission shafts 5 to rotate, drive the bidirectional clutch box 10 to work, drive the ascending output shaft 12 and the descending output shaft 13 to rotate, drive the ascending generator 14 and the descending generator 15 to generate electricity, collect the force when the floating block shells 1 rise and fall, and reduce the no-load.

[0029] Please refer to Figures 2 to 4 In the embodiment, the inside of the floating block shell 1 is fixedly installed with a five-gear box 7 and a four-gear box 8, one end of the transmission shaft 5 is fixedly connected with an input end of the five-gear box 7, and the other end of the transmission shaft 5 is fixedly connected with an input end of the four-gear box 8.

[0030] The five-gear box 7 is internally rotatably installed with a five-gear set 71, and the four-gear box 8 is internally rotatably installed with a four-gear set 81.

[0031] Meanwhile, the buoy shell 1 is internally fixedly installed with a bevel gear box 9, and the bevel gear box 9 is rotatably installed with two reversing input shafts 911 away from each other, one of which is fixedly connected with the output end of the five-gear box 7, and the other is fixedly connected with the output end of the four-gear box 8.

[0032] The bevel gear box 9 is internally rotatably installed with a bevel gear set 91, and the bevel gear box 9 is rotatably installed with a reversing output shaft 912 on one side. The five-gear set 71, the four-gear set 81 and the bevel gear set 91 cooperate to improve the transmission efficiency.

[0033] Please refer to Figures 2 to 5 In the embodiment, the bidirectional clutch box 10 is internally rotatably installed with an intermediate gear 101, and the reversing output shaft 912 is fixedly connected with the intermediate gear 101. The bidirectional clutch box 10 is internally rotatably installed with an ascending ratchet wheel 102 and a descending ratchet wheel 103, which are respectively engaged with the intermediate gear 101. When the buoy shell 1 floats up, it drives the intermediate gear 101 to rotate, and drives the output shaft of the ascending ratchet wheel 102 to rotate. When the buoy shell 1 falls, it drives the intermediate gear 101 to rotate in the opposite direction, and drives the output shaft of the descending ratchet wheel 103 to rotate.

[0034] The buoy shell 1 is internally fixedly installed with two output gear boxes 11. The ascending ratchet wheel 102 and the descending ratchet wheel 103 are fixedly installed with a communication shaft 1021, which is respectively fixedly connected with the input ends of the two output gear boxes 11. The output gear box 11 is internally rotatably installed with an output gear set 111.

[0035] Secondly, the output shafts of the two output gear boxes 11 are respectively fixedly connected with an ascending output shaft 12 and a descending output shaft 13. The ascending ratchet wheel 102 is matched with the ascending output shaft 12, and the descending ratchet wheel 103 is matched with the descending output shaft 13.

[0036] The working principle of the above embodiment is that the buoy shell 1 moves up and down under the action of waves, driving the two ends of the connecting rod 4 to swing alternately up and down, driving the five-gear set 71, the four-gear set 81 and the bevel gear set 91 to rotate, and driving the bidirectional clutch box 10 to work, which will drive the ascending output shaft 12 and the descending output shaft 13 to rotate, and drive the ascending generator 14 and the descending generator 15 to generate electricity.

[0037] The mounting mode, the connecting mode or the setting mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved. In addition, the electrical components appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, the control of the electrical components can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structural composition and working principle thereof will not be described in detail.

[0038] It should be noted that, in this paper, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0039] It should be noted that, in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A raft wave energy converter comprising a raft hull (1), characterised in that: Two opposite sides of the floating block shell (1) are rotatably installed with energy input shafts (2), the surfaces of the energy input shafts (2) are fixedly installed with energy input gears (3), two energy input gears (3) are fixedly installed with connecting rods (4), two opposite sides of the floating block shell (1) are rotatably installed with transmission shafts (5), the surfaces of the transmission shafts (5) are fixedly installed with transmission gears (6) which are engaged with the energy input gears (3), the floating block shell (1) is provided with a bidirectional energy recovery assembly; The bidirectional energy recovery assembly comprises a bidirectional clutch box (10) which is fixedly installed inside the floating block shell (1), one side of the floating block shell (1) is rotatably installed with an ascending output shaft (12) and a descending output shaft (13), one side of the floating block shell (1) is fixedly installed with an ascending generator (14) and a descending generator (15), the input ends of the ascending generator (14) and the descending generator (15) are fixedly connected with the ascending output shaft (12) and the descending output shaft (13) respectively.

2. A raft wave energy converter according to claim 1, characterised in that: The inside of the floating block shell (1) is fixedly installed with a five-gear box (7) and a four-gear box (8), one end of the transmission shaft (5) is fixedly connected with the input end of the five-gear box (7), the other end of the transmission shaft (5) is fixedly connected with the input end of the four-gear box (8).

3. A raft wave energy converter according to claim 2, characterised in that: The inside of the five-gear box (7) is rotatably installed with a five-gear set (71), the inside of the four-gear box (8) is rotatably installed with a four-gear set (81).

4. A raft wave energy converter according to claim 1, characterised in that: The inside of the floating block shell (1) is fixedly installed with a bevel gear box (9), the two sides of the bevel gear box (9) which are away from each other are rotatably installed with reversing input shafts (911), one of the reversing input shafts (911) is fixedly connected with the output end of the five-gear box (7), the other reversing input shaft (911) is fixedly connected with the output end of the four-gear box (8).

5. A raft wave energy converter according to claim 4, characterised in that: The inside of the bevel gear box (9) is rotatably installed with a bevel gear set (91), one side of the bevel gear box (9) is rotatably installed with a reversing output shaft (912).

6. A raft wave energy converter according to claim 5, wherein: The inside of the bidirectional clutch box (10) is rotatably installed with an intermediate gear (101), the reversing output shaft (912) is fixedly connected with the intermediate gear (101), the inside of the bidirectional clutch box (10) is rotatably installed with an ascending ratchet wheel (102) and a descending ratchet wheel (103), the ascending ratchet wheel (102) and the descending ratchet wheel (103) are engaged with the intermediate gear (101) respectively.

7. A raft wave energy converter according to claim 6, wherein: The inside of the floating block shell (1) is fixedly installed with two output gear boxes (11), one side of the ascending ratchet wheel (102) and the descending ratchet wheel (103) is fixedly installed with a communication shaft (1021), the communication shaft (1021) is fixedly connected with the input ends of the two output gear boxes (11) respectively, the inside of the output gear box (11) is rotatably installed with an output gear set (111).

8. A raft wave energy converter according to claim 7, characterised in that: The output shafts of the two output gear boxes (11) are fixedly connected with the ascending output shaft (12) and the descending output shaft (13) respectively, the ascending ratchet wheel (102) is matched with the ascending output shaft (12), the descending ratchet wheel (103) is matched with the descending output shaft (13).

Images