CN106401857B - An ocean energy generating device - Google Patents

Abstract

The invention relates to an ocean power generation device, which comprises a wind power generation device and a tidal current energy generation device arranged below the sea level; the wind power generation device is connected with the tidal current energy power generation device; the tidal current energy power generation device comprises a turbine and a rigid support frame; the impeller comprises an impeller which rotates horizontally; the rigid support frame comprises a first support frame and a vertical shaft; a filtering device is arranged on the first support frame; the first support frame is vertically connected with the vertical shaft; the impeller is provided with a through hole, and the impeller is installed on the vertical shaft through the through hole. According to the tidal current energy power generation device, the filter device is arranged above the impeller, so that the influence of waves on the rotation process of the impeller can be reduced, the impeller is arranged on the vertical shaft through the through hole, tidal current can drive the impeller to rotate in the horizontal direction, the power borne by the impeller of the tidal current energy power generation device is increased, and the energy conversion rate is improved.

Description

An ocean energy generating device

technical field

The invention relates to the field of ocean energy utilization, in particular to an ocean energy power generation device.

Background technique

With the consumption of non-renewable energy such as oil and coal, people gradually consider how to make full use of the energy on the ocean, and the wind energy, tidal current energy, and wave energy on the ocean are endless renewable resources and non-polluting green energy. The technology of using wind power to generate electricity at sea is mature. However, compared with offshore wind power generation, the energy conversion rate of wave energy generation devices and tidal current generation devices is lower, and the unit power generation cost is higher, which limits the full utilization of the two to a certain extent. Therefore, how to make full use of wind energy, tidal current energy and wave energy, and use the same device to generate electricity has been a research topic in recent years.

The Chinese invention patent with the application number 201410206109.0 discloses a wind energy-wave energy-tidal current energy integrated power generation structure based on a single pile platform, including a single pile platform wind power generation structure, a wave energy power generation device and a tidal current power generation device, and a single pile platform wind power generation structure Including wind turbine, tower structure, single pile support structure and supporting power transmission system, the wave energy generation device is installed on the water surface of the tower structure, and the tidal current energy generation device is installed on the underwater single pile support structure. The invention adopts a single-pile platform structure for convenient construction, low construction cost, and wide application range; wind power generation, wave power generation, and tidal current power generation share the single-pile support structure and power transmission system, which can effectively reduce unit power generation costs. The invention can effectively convert wind energy, tidal current energy, and wave energy into electrical energy with high conversion efficiency. However, this invention has the following disadvantages. The rotor in the tidal current energy generating device rotates around a horizontal axis, which causes relatively large obstacles in the process of generating electricity, and the energy conversion efficiency is not high.

Contents of the invention

The technical problem to be solved by the present invention is to provide an ocean energy generating device, through which the wind power generating device is connected to the tidal current energy generating device, so that the tidal current energy generating survivability; the first support frame is provided with a filter device, the impeller is installed on the vertical shaft through the through hole, the filter device can reduce the impact of waves on the impeller rotation process, and the current drives the impeller The rotation in the horizontal direction increases the power received by the impeller of the tidal current energy generating device and improves the energy conversion rate.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

An ocean energy generating device, including a wind power generating device and a tidal current energy generating device arranged below sea level;

The wind power generating device is connected to the tidal current energy generating device;

The tidal current energy generating device includes a turbine and a rigid support frame; the turbine includes a horizontally rotating impeller; the rigid support frame includes a first support frame and a vertical shaft; a filtering device is provided on the first support frame; The first supporting frame is vertically connected to the vertical shaft; the impeller is provided with a through hole, and the impeller is installed on the vertical shaft through the through hole.

The beneficial effects of the present invention are:

Different from the prior art, the tidal current energy is converted into the kinetic energy of the vertical rotation of the impeller, and the power received during the energy conversion process is relatively small; the filter device is provided on the first support frame in the present invention, and the impeller Installed on the vertical shaft through the through hole, the filter device can reduce the impact of waves on the impeller rotation process, and at the same time, the tidal current drives the impeller to rotate horizontally, increasing the power received by the impeller of the tidal current energy generating device , improving the energy conversion rate; the wind power generating device is connected with the tidal current energy generating device, when the energy of the tidal current energy generating device is insufficient to maintain its sliding up and down, the wind power generating device can provide electric energy to the tidal current energy generating device to make the tidal current The energy generating device is always in the best working condition; when the offshore wind generating device fails, the tidal current energy generating device can provide temporary power supply guarantee for the wind generating device, improving the survivability of the tidal current generating device and the wind generating device in the sea.

Description of drawings

Fig. 1 is a schematic structural view of an ocean energy generating device according to an embodiment of the present invention;

Fig. 2 is a schematic top view of an ocean energy generating device according to an embodiment of the present invention.

Label description:

1. Tidal current power generation device; 2. Turbine; 3. Rigid support frame; 4. Impeller; 5. First support frame; 6. Vertical shaft; 7. Filter device; 8. Fixed pile; 9. Slideway; 10 1. Outer frame; 11. Horizontal support rod; 12. Second support frame; 13. Vertical rod.

Detailed ways

In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

The most critical idea of the present invention is that a filter device is provided above the impeller, which can reduce the influence of waves on the impeller rotation process, and the impeller is installed on the vertical shaft through the through hole, and the tidal current can drive the impeller horizontally direction rotation increases the power received by the impeller of the tidal current energy generating device and improves the energy conversion rate.

The working principle of the present invention: when the sea level rises or falls, the tidal current energy generating device is slidably connected with the fixed pile to adjust the depth of the tidal current energy generating device from the sea level, and at the same time convert the tidal current energy into the kinetic energy of the impeller, In order to generate electricity; the wind power generation device is connected with the wave energy generation device. When the energy of the tidal current energy generation device is insufficient to maintain its sliding up and down, the wind power generation device can provide electric energy to the tidal current energy generation device, so that the tidal current energy generation device can always be on best working condition.

Please refer to Fig. 1 and Fig. 2, an ocean energy generating device provided by the present invention includes a wind power generating device and a tidal current energy generating device 1 arranged below sea level;

The wind power generating device is connected with the tidal current energy generating device 1;

The tidal current energy generating device 1 includes a turbine 2 and a rigid support frame 3; the turbine 2 includes a horizontally rotating impeller 4; the rigid support frame 3 includes a first support frame 5 and a vertical shaft 6; the first The support frame 5 is provided with a filtering device 7; the first support frame 5 is vertically connected to the vertical shaft 6; the impeller 4 is provided with a through hole, and the impeller 4 is installed on the vertical axis through the through hole. on axis 6.

It can be seen from the above description that a filtering device is provided on the first support frame, and the impeller is installed on the vertical shaft through the through hole. The filtering device can reduce the influence of waves on the rotation of the impeller, while the current drives The impeller rotates in the horizontal direction, which increases the power received by the impeller of the tidal current energy generating device and improves the energy conversion rate; the wind power generating device is connected with the tidal current energy generating device. When the tidal current energy generating device has insufficient energy, it cannot When it keeps sliding up and down, the wind power generating device can provide electric energy to the tidal current energy generating device, so that the tidal current energy generating device is always in the best working condition.

Further, an ocean energy power generation device also includes a fixed pile 8, the outer surface of the fixed pile 8 is provided with a slideway 9; the fixed pile 8 is provided with a power transmission system; the tidal current energy power generation device 1 and the The slideway 9 is slidingly connected; the slideway 9 is fixed, and the tidal current energy generating device 1 slides up and down along the slideway 9 with the rise and fall of the sea level; the power transmission system is connected with the wind power generation device; the The power transmission system is connected to the tidal current energy generating device 1 .

As can be seen from the above description, through the sliding connection between the tidal current energy generating device and the slideway, when the sea level rises or falls, the tidal current energy generating device can be maintained at a certain depth below the sea level, so that the tidal current energy generating device is in the best position. The working state of the wind power can efficiently convert the tidal current energy into electrical energy; by transmitting the electrical energy through the common power transmission system of the wind power generation device and the tidal current energy generation device, the unit power generation cost can be effectively reduced, and the energy utilization rate and transmission efficiency can be improved.

Further, the rigid support frame 3 is provided with a lifting device; the rigid support frame 3 slides up and down along the surface of the slideway 9 through the lifting device.

It can be seen from the above description that the lifting device can adjust the depth of the tidal current energy generating device from the sea level, make it in an optimal working state, and improve the utilization rate of tidal current energy.

Further, the tidal current energy generating device 1 includes a first tidal current energy generating device and a second tidal current energy generating device; the first tidal current energy generating device and the second tidal current energy generating device are arranged symmetrically with respect to the fixed pile 8 .

It can be seen from the above description that the influence of inhomogeneity of the incoming flow on the efficiency of tidal current energy generation is eliminated to the greatest extent through the symmetrical arrangement of the tidal current energy generating device with respect to the fixed pile.

Further, the first support frame 5 includes an outer frame 10 and a lateral support rod 11; the outer frame 10 is a regular polygon or a circle; one end of the lateral support rod 11 is connected to the outer frame 10, the The other end of the transverse support rod 11 is slidably connected with the slideway 9 .

It can be seen from the above description that the outer frame is a regular polygon or a circle, which facilitates the symmetrical arrangement of the tidal current energy generating device; by connecting one end of the transverse support rod to the outer frame, the strength of the first support frame can be increased, Avoid deformation of the first supporting frame due to excessive pressure when sliding up and down along the fixed pile.

Further, the wind power generation device is fixed on the upper part of the fixed pile 8 .

It can be seen from the above description that the wind energy can be converted into electric energy by installing the wind power generation device on the upper part of the fixed pile, which improves the utilization of offshore energy.

Further, the rigid support frame 3 also includes a second support frame 12; the vertical shaft 6 is vertically connected to the second support frame 12; the second support frame 12 is the same size as the first support frame 5 same shape.

It can be seen from the above description that the vertical shaft 6 is vertically connected with the second support frame 12, which increases the strength of the rigid support frame.

Further, the rigid support frame 3 further includes a vertical bar 13 , one end of the vertical bar 13 is vertically connected to the first support frame 5 , and the other end of the vertical bar 13 is vertically connected to the second support frame 12 .

It can be seen from the above description that the strength and rigidity of the tidal current energy generating device are increased by vertically connecting the vertical bar to the first support frame and the second support frame.

Further, the filtering device 7 covers the first supporting frame 5 .

It can be known from the above description that by covering the first support frame with the filter device, the influence of sea surface waves on tidal current energy can be reduced.

Further, the rigid support frame 3 is provided with a rolling bearing, and the vertical shaft 6 is installed in the rolling bearing.

It can be known from the above description that by installing the vertical shaft in the rolling bearing, the resistance encountered during the rotation of the vertical shaft can be reduced and the energy conversion rate can be improved.

Please refer to Fig. 1 to Fig. 2, embodiment one of the present invention is:

An ocean energy generating device provided by the present invention includes a wind power generating device, a tidal current energy generating device 1 and a fixed pile 8 arranged below sea level;

The wind power generation device is connected to the tidal current energy generation device 1; the wind power generation device is fixed on the top of the fixed pile 8;

The tidal current energy generating device 1 includes a turbine 2 and a rigid support frame 3; the turbine 2 includes a horizontally rotating impeller 4; the rigid support frame 3 includes a first support frame 5 and a vertical shaft 6; the first The support frame 5 is provided with a filtering device 7; the first support frame 5 is vertically connected to the vertical shaft 6; the impeller 4 is provided with a through hole, and the impeller 4 is installed on the vertical axis through the through hole. on axis 6;

The outer surface of the fixed pile 8 is provided with a slideway 9; the tidal current energy generating device 1 is slidably connected to the slideway 9; the slideway 9 is fixed, and the tidal current energy generating device 1 is The lifting slides up and down along the slideway 9; the rigid support frame 3 is provided with a lifting device; the rigid support frame 3 slides up and down along the surface of the slideway 9 through the lifting device; the tidal current energy generating device 1 includes the first A tidal current energy generating device and a second tidal current energy generating device; the first tidal current energy generating device and the second tidal current energy generating device are arranged symmetrically with respect to the fixed pile 8 .

It can be known from Embodiment 1 of the present invention that the tidal current energy generating device includes a turbine, and the turbine includes a horizontally rotating impeller; the impeller is installed on the vertical shaft, and the impeller can convert the tidal current energy into a horizontal The kinetic energy of rotation; the first support frame is provided with a filtering device, which can reduce the impact of sea surface waves on tidal current energy, thereby reducing the impact of the impeller rotation process by wave impact; through the lifting device, can Adjust the depth of the tidal current energy generating device from the sea level so that it is in the best working condition and can reduce the impact of waves on the sea level on the impeller; through the connection between the wind power generating device and the tidal current energy generating device, when When the energy of the power generating device is insufficient, the wind power generating device can supply power to the tidal current energy generating device so that it can always be in working condition.

Embodiment two of the present invention is:

An ocean energy generating device provided by the present invention includes a wind power generating device, a tidal current energy generating device 1 and a fixed pile 8 arranged below sea level;

The wind power generation device is connected to the tidal current energy generation device 1; the wind power generation device is fixed on the top of the fixed pile 8; the fixed pile 8 is provided with a power transmission system; the power transmission system is connected to the wind power The power generation device is connected; the power transmission system is connected with the tidal current energy generation device 1;

The tidal current energy generating device 1 includes a first tidal current energy generating device and a second tidal current energy generating device; the first tidal current energy generating device and the second tidal current energy generating device are arranged symmetrically about the fixed pile 8; The tidal current energy generating device 1 includes a turbine 2 and a rigid support frame 3; the turbine 2 includes a horizontally rotating impeller 4; the rigid support frame 3 includes a first support frame 5 and a vertical shaft 6; the first support frame The upper 5 is provided with a filtering device 7; the first support frame 5 is vertically connected to the vertical shaft 6; the impeller 4 is provided with a through hole, and the impeller 4 is installed on the vertical shaft 6 through the through hole Above; the rigid support frame 3 also includes a second support frame 12; the vertical shaft 6 is vertically connected to the second support frame 12; the second support frame 12 is the same size and shape as the first support frame 5 Same; the rigid support frame 3 also includes a vertical bar 13, one end of the vertical bar 13 is vertically connected with the first support frame 5, and the other end of the vertical bar 13 is vertically connected with the second support frame 12; The filter device 7 covers the first support frame 5; the rigid support frame 3 is provided with a rolling bearing, and the vertical shaft 6 is installed in the rolling bearing; the outer surface of the fixed pile 8 is provided with a slideway 9; The tidal current energy generating device 1 is slidingly connected with the slideway 9; the slideway 9 is fixed, and the tidal current energy generating device 1 slides up and down along the slideway 9 as the sea level rises; the rigid support frame 3 A lifting device is provided inside; the rigid support frame 3 slides up and down along the surface of the slideway 9 through the lifting device; the first support frame 5 includes an outer frame 10 and a lateral support rod 11; the outer frame 10 is positive Polygonal or circular; one end of the lateral support rod 11 is connected to the outer frame 10 , and the other end of the lateral support rod 11 is slidably connected to the slideway 9 .

In summary, the present invention provides an ocean energy power generation device, the first support frame is provided with a filtering device, the impeller is installed on the vertical shaft through the through hole, and the filtering device can reduce wave The impact on the rotation process of the impeller, while the tidal current drives the impeller to rotate in the horizontal direction, which increases the power received by the impeller of the tidal current energy generating device and improves the energy conversion rate; the wind power generating device and the tidal current energy generating device connected, when the energy of the tidal current energy generating device is insufficient to maintain its sliding up and down, the wind power generating device can provide electric energy to the tidal current energy generating device, so that the tidal current energy generating device is always in the best working condition; through the tidal current energy generating device and the The sliding connection of the above-mentioned slideway can maintain a certain depth of the tidal current energy generation device below the sea level when the sea level rises or falls, so that the tidal current energy generation device is in the best working state, and the tidal current energy can be efficiently converted into electric energy; through The lifting device can adjust the depth of the tidal current energy generating device from the sea level, make it in the best working state, and improve the utilization rate of the tidal current energy; the tidal current energy generating device is arranged symmetrically with respect to the fixed piles to maximize the elimination of The influence of inhomogeneity of incoming flow on tidal current energy generation efficiency; the outer frame is a regular polygon or a circle, which facilitates the symmetrical arrangement of tidal current energy generation devices; one end of the transverse support bar is connected to the outer frame, which can increase The strength of the first support frame prevents the first support frame from being deformed due to excessive pressure when it slides up and down along the fixed pile; by installing a wind power generation device on the upper part of the fixed pile, wind energy can be converted into electrical energy, Improve the utilization of marine energy; the vertical shaft 6 is vertically connected with the second support frame 12, which increases the strength of the rigid support frame; through the vertical rod and the first support frame and the second support frame The vertical connection of the support frame increases the strength and rigidity of the tidal current energy generating device; the filter device covers the first support frame, which can reduce the influence of sea surface waves on the tidal energy; the vertical shaft is installed on the In the above-mentioned rolling bearing, the resistance encountered during the rotation of the vertical axis can be reduced, and the energy conversion rate is improved.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in related technical fields, are all included in the same principle. Within the scope of patent protection of the present invention.

Claims (9)

1. An ocean energy generating device, characterized in that, comprises a wind power generating device and a tidal current energy generating device arranged below sea level; The wind power generating device is connected to the tidal current energy generating device; The tidal current energy generating device includes a turbine and a rigid support frame; the turbine includes a horizontally rotating impeller; the rigid support frame includes a first support frame and a vertical shaft; a filtering device is provided on the first support frame; The first support frame is vertically connected to the vertical shaft; the impeller is provided with a through hole, and the impeller is installed on the vertical shaft through the through hole; It also includes a fixed pile, the outer surface of the fixed pile is provided with a slideway; the fixed pile is provided with a power transmission system; the tidal current energy generating device is slidably connected to the slideway; the slideway is fixed, and the The tidal current energy generating device slides up and down along the slideway as the sea level rises and falls; the power transmission system is connected to the wind power generating device; the power transmission system is connected to the tidal current energy generating device. 2 . The ocean energy generating device according to claim 1 , wherein a lifting device is provided inside the rigid support frame; and the rigid support frame slides up and down along the surface of the slideway through the lifting device. 3 . 3. A kind of ocean energy generating device according to claim 1, characterized in that, said tidal current energy generating device comprises a first tidal current energy generating device and a second tidal current energy generating device; said first tidal current energy generating device and The second tidal current energy generating device is arranged symmetrically with respect to the fixed pile. 4. A kind of ocean energy generating device according to claim 1, characterized in that, the first support frame includes an outer frame and a lateral support rod; the outer frame is a regular polygon or a circle; the lateral support rod One end of the horizontal support rod is connected with the outer frame, and the other end of the lateral support rod is slidably connected with the slideway. 5 . The ocean energy generating device according to claim 1 , wherein the wind power generating device is fixed on the upper part of the fixed pile. 5 . 6. A kind of ocean energy generating device according to claim 1, characterized in that, the rigid support frame also includes a second support frame; the vertical axis is vertically connected to the second support frame; the second The support frame is the same size and shape as the first support frame. 7. The ocean energy generating device according to claim 6, wherein the rigid support frame further comprises a vertical rod, one end of the vertical rod is vertically connected to the first support frame, and the vertical rod is further One end is vertically connected with the second support frame. 8 . The ocean energy generating device according to claim 1 , wherein the filtering device covers the first supporting frame. 9. The ocean energy generating device according to claim 1, wherein the rigid support frame is provided with a rolling bearing, and the vertical shaft is installed in the rolling bearing.