CN212027973U - Wind wave power generation device for cold sea area - Google Patents

Wind wave power generation device for cold sea area Download PDF

Info

Publication number
CN212027973U
CN212027973U CN202020346423.XU CN202020346423U CN212027973U CN 212027973 U CN212027973 U CN 212027973U CN 202020346423 U CN202020346423 U CN 202020346423U CN 212027973 U CN212027973 U CN 212027973U
Authority
CN
China
Prior art keywords
power generation
generation device
wave
cold sea
swing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020346423.XU
Other languages
Chinese (zh)
Inventor
张娜
李帅
刘维林
蒋学炼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Chengjian University
Original Assignee
Tianjin Chengjian University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Chengjian University filed Critical Tianjin Chengjian University
Priority to CN202020346423.XU priority Critical patent/CN212027973U/en
Application granted granted Critical
Publication of CN212027973U publication Critical patent/CN212027973U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11Hard structures, e.g. dams, dykes or breakwaters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

The utility model relates to a wind wave power generation device used in cold sea areas, belonging to the technical field of power generation in cold sea areas, which is combined with a slope type breakwater; it is characterized in that the wind wave power generation device for the cold sea area at least comprises: the positioning grooves are laid on the slope surface and sequentially spliced into a honeycomb structure; the swinging power generation device is arranged in each positioning groove; each swing power generation device is connected with the storage battery through a voltage stabilizing rectifier. Through adopting the technical scheme, the utility model discloses can effectively predict place waters wave and climb to it is internal to swing the piece with chloroprene rubber and fix the honeycomb structure that the wave climbed the height within range, can effectively prevent the damage of ice load to energy conversion equipment, the sea area that specially adapted easily received ice disaster in winter.

Description

Wind wave power generation device for cold sea area
Technical Field
The utility model belongs to the technical field of the electricity generation of cold sea area, a wind and wave power generation facility is used in cold sea area is provided very much.
Background
With global warming and the annual reduction of arctic glaciers, the coexistence of floating ice and waves tends to be normalized. The ice condition in recent years of the North pole in summer and the Bohai sea in winter in China is light. According to statistics, the north pole in summer and the wind wave in the Bohai sea in winter are large, and are periods with the largest average wave energy current density. However, the existing wave energy estimation methods ignore the influence of sea ice, which can result in overestimation of the wave energy of the Bohai sea, and the overestimation can seriously mislead site selection of a wave energy power plant.
Furthermore, the presence of sea ice tends to cause damage to the wave energy conversion devices. The main wave energy power generation technologies in China include an oscillating water column type, an oscillating floater type and a wave crossing type. The oscillating water column type can be classified into an offshore type, a shore-based pneumatic type, and the like. The oscillating float can be classified into a submerged float type, an overrunning clutch type, a pendulum type, a vertical float type and a deep sea float type. The overtopping mode can be divided into a layered overtopping mode and a double-contraction wave channel mode. In the existing research on wave energy collection and utilization, the influence of sea ice on a wave energy conversion device is often ignored, and the existing wave energy collection power generation measures are not suitable for sea areas under the condition of freezing in cold regions.
The current research on the energy conversion device which is compatible with ice prevention and wind wave complementation is relatively lagged. The wave energy collecting and utilizing method mainly shows that the research on the sea ice digestion and distribution condition, the basic physical characteristics of the sea ice and the sea ice load control method is insufficient, and further development of wave energy collection and utilization in cold regions is influenced to a great extent. Therefore, the utility model provides a wave energy estimation method and the complementary wave energy conversion equipment of stormy waves suitable for the frozen sea area in cold district can effectively gather wave energy and wind energy when floating ice and wave coexistence to use heating rod heating wave energy conversion equipment to prevent to freeze. In addition, the wave energy conversion device can be directly installed on an established slope type breakwater, the damage of ice load to the wave energy conversion device can be effectively prevented, the effective utilization of clean energy can be realized, and the wave energy conversion device is particularly suitable for being used in large backgrounds where a newly-built sea reclamation project is not allowed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind wave power generation device for cold sea area, which solves the technical problem existing in the prior art. The influence of sea waves and ice blocks on wave energy is comprehensively considered, and then accurate site selection of the power generation device and structural improvement of the power generation device are achieved.
The utility model provides a wind wave power generation device used in cold sea areas; the method comprises the following steps:
the positioning grooves are laid on the slope surface and sequentially spliced into a honeycomb structure (2);
a swinging power generation device (4) arranged in each positioning groove;
each swing power generation device (4) is connected with the storage battery through a voltage stabilizing rectifier (5).
Furthermore, the swing power generation device (4) comprises a swing piece (3), the swing piece (3) is installed in the positioning groove through a universal head, and a plurality of groups of swing power generation devices are connected in parallel to effectively improve the power generation efficiency; a carbon fiber rope is embedded in the swing piece (3); one end of the carbon fiber rope is fixedly connected with the left side of a piston of the pump (6), a chamber on the left side of the pump (6) is connected with the motor (7) through a pipeline, a return spring (8) is arranged on the side wall of the pump, and the auxiliary push plate is reset; the motor (7) is connected with the generator (9) through a power rotating shaft, and the output terminal of the generator (9) is connected with the storage battery through the voltage-stabilizing rectifier (5), namely, the current is stored in the storage battery.
Further, the wind wave power generation device for the cold sea area further comprises a heating rod for preventing water flow in the positioning groove from freezing, and the storage battery is connected with the heating rod.
The rocking part (3) and the pump (6) are each N M, wherein: n and M are both natural numbers larger than 1; the pipelines comprise N × M primary pipelines and M main pipelines; the swinging pieces (3) are divided into N groups; the lower end of each main pipeline is communicated with the N primary pipelines in the same group, each main pipeline is provided with a motor (7), and each motor (7) is connected with a generator (9).
Further, the swing piece (3) is a chloroprene rubber swing piece.
Further, the swinging piece (3) is at least 30cm long, and the diameter of the carbon fiber rope in the swinging piece is 12 mm.
Further, the storage battery is a lead-acid battery.
The utility model has the advantages that:
the utility model discloses can effectively prevent ice load to wave energy conversion equipment's destruction, the wave energy conversion equipment that the cold district easily receives ice disaster influence area is particularly useful for. The breakwater is a slope type breakwater, and a honeycomb structure is arranged on the surface of the breakwater, so that waves can be effectively eliminated, and the damage of sea ice to the internal swing power generation device can be prevented. The inner space size of the honeycomb structure meets 360-degree all-directional swing of the chloroprene rubber swing piece. The chloroprene rubber swinging piece is at least 30cm long, a carbon fiber rope with the diameter of 12mm is connected inside the chloroprene rubber swinging piece, one end of the carbon fiber rope is connected with the pump, and when the chloroprene rubber swinging piece is static, the carbon fiber rope keeps a tightening state. The swing power generation device is provided with a voltage-stabilizing rectifier, a chloroprene rubber swing piece, a spring, a motor, a generator and a pump, the chloroprene rubber swing piece is driven to swing randomly when wave flapping and strong wind arrives, a piston is pulled by an internal carbon fiber rope to move left, the pressure of oil pressure in a cavity at the left side of the pump is increased, a power medium is converged to a main pipe by a branch pipeline, and a motor impeller in the main pipe rotates to drive the generator to generate power. And rectifying the wave energy collected by the swing power generation device into direct current through a voltage-stabilizing rectifier and storing the direct current into a lead-acid battery. The lead-acid battery transmits the electric quantity to the heating rod to prevent the swinging piece from being frozen, and the residual electric quantity is used as a power supply supplement source for the port industrial area. The method specifically comprises the following steps:
1) the power generation device can be used in ice-free sea areas and also can be applied to frozen sea areas in cold regions near shore in winter.
2) The neoprene swinging piece can swing freely under the action of wave energy and wind energy, the pump is driven by the internal carbon fiber rope, and the motor and the generator are sequentially driven by the pump to generate electricity.
3) Wave element data are provided by a dynamic spectrum balance equation model by using a wave energy current density empirical formula, so that the wave energy current density distribution condition in the presence of ice can be estimated, and the site selection of the power generation slope type breakwater is further determined.
4) The arrangement position of the swing power generation device can be estimated by considering a wave climbing prediction formula used under the action of sea ice.
5) The used heating rod can be internally provided with a temperature controller, and the temperature is kept unchanged when reaching 5 ℃, so that the energy is saved, and the swinging piece can be prevented from being frozen.
6) The proposed wind wave energy conversion device with complementary waves is a hybrid power generation technology of various clean energy sources, which is proposed by combining a slope type breakwater built near the Bohai sea of the ring. The energy-saving, power generation and anti-icing technology proposed by the existing breakwater engineering is fully utilized;
7) the technical scheme is not only suitable for the cold sea areas with ice, but also suitable for the sea areas without ice.
Drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 2 is a side elevation view of the preferred embodiment of the present invention facing waves;
FIG. 3 is a partial block diagram of a preferred embodiment of the present invention, showing the connection between the rocking member and the pump;
FIG. 4 is a partial enlarged view of a preferred embodiment of the present invention;
fig. 5 is an enlarged view of the main pipe according to the preferred embodiment of the present invention.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 5, a wind wave power generation device for cold sea area includes: on the breakwater 1: the device comprises a honeycomb structure 2, a swinging piece 3 (preferably a neoprene swinging piece), a swinging power generation device 4, a voltage stabilizing rectifier 5, a pump 6, a motor 7, a spring 8, a power generator 9, a lead-acid battery 10, a heating rod 11 and a motor impeller 12. Wherein: the breakwater 1 is the entire member. The swing power generation device 4 comprises a swing piece 3, a voltage-stabilizing rectifier 5, a pump 6, a motor 7, a spring 8 and a generator 9. The surface of the slope breakwater is provided with a honeycomb structure, and the structural form can effectively eliminate waves and prevent the damage of sea ice to the internal swing power generation device. The swing power generation device is fixed in the honeycomb structure, and damage of ice load to the swing power generation device can be effectively prevented. The voltage stabilizing rectifier converts wave energy alternating current into direct current and stores the direct current into a lead-acid battery. The heating rod is powered by a lead-acid battery, and a temperature controller in the heating rod keeps the temperature unchanged when the temperature reaches 5 ℃. The wave-facing surface of the swinging piece 3 can be a plane rectangle or an arc.
The swing power generation device 4 comprises a swing piece 3 positioned in each positioning groove, the swing pieces 3 are arranged in the positioning grooves through universal heads, and a plurality of groups of swing power generation devices are connected in parallel to effectively improve the power generation efficiency; a carbon fiber rope is embedded in the swing piece 3; one end of the carbon fiber rope penetrates into the pump cavity from a central hole in the end face of the pump cavity and then is fixedly connected to the left central position of a piston of the pump 6, a chamber on the left side of the pump 6 is connected with a motor 7 through a pipeline, a return spring 8 is arranged on the side wall of the pump, and the auxiliary push plate is reset; the motor 7 is connected with the generator 9 through a power rotating shaft, and the output terminal of the generator 9 is connected with the storage battery through the voltage stabilizing rectifier 5, namely, the current is stored in the storage battery.
The power generation principle is as follows: the carbon fiber rope is tensioned by the swinging piece 3 in the swinging process, the carbon fiber rope further drives the piston of the pump 6 to move towards the left side, the spring is stretched, the power medium flows into the pipeline from the left side cavity, the impeller 12 of the hydraulic motor 7 in the pipeline is further driven to rotate forwards, and the hydraulic motor then drives the generator to generate electricity through the transmission shaft; when no wind and no wave, the swinging part 3 resets, at the moment, the piston moves to the right under the action of the spring, the pipeline is arranged in a vertical state, therefore, the power medium flows back to the left cavity from the pipeline under the action of gravity, the hydraulic motor rotates reversely in the process of flowing back, the generator is driven to generate electricity, and the power medium preferably selects liquid with a lubricating effect.
As shown in fig. 3: in order to save the number of generators and improve the power generation efficiency, on the basis of the preferred embodiment, the rocking members 3 and the pumps 6 are in one-to-one correspondence, the number of the rocking members and the pumps is the same, the rocking members and the pumps are considered as a whole and are divided into M small areas according to the area, and each area is provided with N rocking members 3; because the area is small, each group of N oscillating pieces 3 can be considered to move synchronously, N pumps 6 corresponding to the N oscillating pieces 3 act synchronously, pipelines connected with the N pumps 6 are named as primary pipelines, the end parts of the N primary pipelines are connected with the lower end of the same main pipeline, so that the oil pressures of the N pumps 6 can be combined into a large oil pressure, each main pipeline is provided with a motor 7, and each motor 7 is connected with a generator 9.
The rocking member 3 is at least 30cm, preferably 30cm long and the carbon fibre rope inside it is 12mm in diameter.
A positioning module of a wind wave power generation device for a cold sea area comprises:
the wave energy estimation module is used for estimating the wave energy in the presence of ice; the wave energy current density estimation formula in the presence of ice is as follows:
Figure BDA0002416781650000061
wherein: p is wave energy current density, and the unit is KW/m; rho is the density of seawater, and is generally 1.028kg/m3(ii) a k is the wave number, which is equal to
Figure BDA0002416781650000062
Wherein L is the wavelength, TeIs the energy cycle. HsTo include the effective wave height of ice effects, the unit is m. It is reported that as global warming and arctic glaciers decrease year by year, the coexistence of floating ice and waves tends to be normalized. In the Bohai sea area of China, cold tide and strong wind frequently occur in winter, wind is the main driving force for wave formation, and cold tide and strong wind weather is accompanied by low temperature, so that seawater is frozen, and therefore effective waves in the formula (1)High HsThe effect of ice needs to be taken into account.
A dynamic spectrum balance equation model is adopted for wave calculation, wind is used as a driving force, and wave field distribution at the engineering position of the Bohai and the Bohai sea area is calculated based on the following equation:
Figure BDA0002416781650000071
wherein: UFRIC is the wind friction speed; CDRAG is a wind drag coefficient, and the recommended value is 0.0013; ice concentration is between 0 and 1; WIND10 is the WIND speed at 10m height.
Calculating the air-out friction speed UFRIC according to the formula (2); calculating a JOHNWAP spectrum based on the UFRIC and the gravity acceleration; then, calculating the action density under the current time level according to the frequency corresponding to the input spectrum peak period, further obtaining the zero-order moment ETOT of the wave energy density, and obtaining the effective wave height H considering the ice influence based on the following formulas
Figure BDA0002416781650000072
And according to the estimated value of the wave energy current density, estimating the slope type breakwater built near the Bohai sea to determine the site selection of the power generation slope type breakwater.
A wave climbing prediction module when ice exists; the forecasting formula of the wave climbing height in the presence of ice is as follows:
R=KΔR1Hs (4)
wherein: r is wave run-up; kΔIs the coefficient of permeability of the slope relative to the structural type of the protective surface of the slope dike; r1Is KΔ=1,HsWhen the height is 1m, the wave climbs on the smooth slope dike; hsEstimated wave height, H, in front of breakwater to account for ice effectssThe calculation is carried out according to the values in the formulas (1) to (4).
A location prediction module; and determining the positions of the honeycomb structure and the swing power generation device according to the predicted value of the wave climbing height R in the presence of ice. The value of R in this patent includes the effect of ice. In general, the R value fluctuates around the water level. In the case of low water level and low incident wave height, the R value is small, but at high water level the R value may reach the top of the bank, so there is a range of R values. After the range of the wave climbing height is calculated by combining the formulas (1) to (4) with the local water level condition, the power generation device is arranged in the range. When the chloroprene rubber swinging piece is subjected to wave slapping or wind energy, the chloroprene rubber swinging piece can swing in all directions, the push plate is pulled by the internal carbon fiber rope to increase the pressure in the pump, and the power medium is converged to the main pipe by the branch pipeline, so that the motor impeller in the main pipe rotates to drive the generator to generate power. The collected electric energy is stored in the lead-acid battery through the voltage-stabilizing rectifier and provides electric energy for the heating rod, and the heating rod heats the temperature of the seawater near the slope-type breakwater to prevent the nearby seawater from freezing. The temperature controller can sense the temperature to 5 ℃ and keep the temperature unchanged, thereby saving energy and effectively preventing the swinging piece from freezing.
A method for positioning a wind wave power generation device used in a cold sea area; the method comprises the following steps:
s1, wave energy estimation in the presence of ice; the renewable resources of ocean wave energy are usually quantitatively described in terms of wave energy current density, which is estimated using the following formula:
Figure BDA0002416781650000081
wherein: p is wave energy current density, the unit is KW/m, and the wave energy is used for calculating the wave power accumulated in the whole water body from the sea level to the sea bottom surface in the width direction of each meter of wave crest; rho is the density of seawater, and 1.028kg/m is taken3(ii) a k is the number of waves,
Figure BDA0002416781650000082
wherein L is the wavelength corresponding to the effective period and the unit is m; t iseIs the energy period, in units of s, multiplied by the spectral peak period T by 0.9PTo represent; l and TPAll are calculated by a dynamic spectrum balance equation model of SWAN; hsEffective wave height, in m, for ice effects;
s2, calculating the wave field distribution at the engineering position of the Bohai and the Bohai sea area based on the following equation by adopting a dynamic spectrum balance equation model and wind as a driving force according to the wave calculation:
Figure BDA0002416781650000083
wherein: UFRIC is the wind friction speed; CDRAG is the WIND drag coefficient, when WIND speed WIND10 at 10m height >7.5m/s, CDRAG ═ 0.001 (0.8+0.065 WIND 10); when WIND10 is less than or equal to 7.5m/s, the recommended value is 0.0013; ice concentration is between 0 and 1; WIND10 is the WIND speed at 10m height;
calculating the air-out friction speed UFRIC according to the formula (2); calculating a JOHNWAP spectrum based on the UFRIC and the gravity acceleration;
calculating the action density under the current time level according to the frequency corresponding to the input spectrum peak period, and further obtaining a zero-order moment ETOT of the wave energy density; and obtaining an effective wave height H considering the influence of ice based on the following formula (3)s
Figure BDA0002416781650000091
According to the estimated value of the wave energy current density P, the built slope type breakwater on the near bank of the Bohai sea is further estimated, and the site selection of the power generation slope type breakwater is determined;
s3, predicting the wave climbing height when ice exists; the forecasting formula of the wave climbing height in the presence of ice is as follows:
R=KΔR1Hs (4)
wherein: r is the wave run-up when ice exists; kΔCoefficient of permeability, K, depending on the type of facing structure of the bankΔThe value range is 0-1; when K isΔWhen 1, denotes a smooth and watertight breakwater facing, KΔThe smaller the size, the rougher the breakwater armor surface; r1Is when KΔ=1,HsWhen the wave length is 1m, the wave rises on the breakwater face which is smooth and impermeable;
and S4, determining the positions of the honeycomb structure and the swing power generation device according to the predicted value of the wave climbing height R when ice exists. The R value is a wave run-up value, which is the height at which the wave runs up the slope on the slope bank, and contains the influence of ice in this patent. In general, the R value fluctuates around the water level. In the case of low water level and low incident wave height, the R value is small, but at high water level the R value may reach the top of the bank, so there is a range of R values. After the range of the wave climbing height is calculated by combining the formulas (1) to (4) with the local water level condition, the power generation device is arranged in the range to ensure that the power generation device can absorb the wave energy.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (7)

1. A wind wave power generation device for a cold sea area is positioned on the slope surface of a breakwater (1); characterized in that it at least comprises:
the positioning grooves are laid on the slope surface and sequentially spliced into a honeycomb structure (2);
a swinging power generation device (4) arranged in each positioning groove;
each swing power generation device (4) is connected with the storage battery through a voltage stabilizing rectifier (5).
2. The wind wave power generation device for the cold sea area according to claim 1, wherein the swing power generation device (4) comprises a swing member (3), the swing member (3) is installed in a positioning groove through a universal head, and a carbon fiber rope is embedded in the swing member (3); one end of the carbon fiber rope is fixedly connected with the left side of the piston of the pump (6); the left chamber of the pump (6) is connected with the motor (7) through a pipeline, and the right side of the piston of the pump (6) is provided with a return spring (8); the motor (7) is connected with the generator (9) through a power rotating shaft, and an output terminal of the generator (9) is connected with the storage battery through the voltage stabilizing rectifier (5).
3. The wind wave power generation device for the cold sea area according to claim 1 or 2, further comprising a heating rod for preventing the water flow in the positioning groove from freezing, wherein the storage battery is connected to the heating rod.
4. The wind wave power plant for cold sea areas according to claim 2, wherein said rocking member (3) and said pump (6) are each N x M, wherein: n and M are both natural numbers larger than 1; the pipelines comprise N × M primary pipelines and M main pipelines; the swinging pieces (3) are divided into N groups; the lower end of each main pipeline is communicated with the N primary pipelines in the same group, each main pipeline is provided with a motor (7), and each motor (7) is connected with a generator (9).
5. The wind wave power generation device for cold sea areas according to claim 2, wherein the swinging member (3) is a neoprene swinging member.
6. The wind-wave power generation device for cold sea areas according to claim 2, wherein said rocking member (3) is at least 30cm long and said carbon fiber rope has a diameter of 12 mm.
7. The wind wave power generation device for cold sea areas according to claim 1, wherein the storage battery is a lead-acid battery.
CN202020346423.XU 2020-03-18 2020-03-18 Wind wave power generation device for cold sea area Active CN212027973U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020346423.XU CN212027973U (en) 2020-03-18 2020-03-18 Wind wave power generation device for cold sea area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020346423.XU CN212027973U (en) 2020-03-18 2020-03-18 Wind wave power generation device for cold sea area

Publications (1)

Publication Number Publication Date
CN212027973U true CN212027973U (en) 2020-11-27

Family

ID=73484368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020346423.XU Active CN212027973U (en) 2020-03-18 2020-03-18 Wind wave power generation device for cold sea area

Country Status (1)

Country Link
CN (1) CN212027973U (en)

Similar Documents

Publication Publication Date Title
EP3256716B1 (en) Hydro-pneumatic energy storage system
US8018084B2 (en) Wave powered electrical generator
CN101963125A (en) Wave power generating system with floating-body-based rope pulley
WO2020220634A1 (en) Rectangular box-shaped floating breakwater having wave energy power generation device employing oscillating water column
CN102202962B (en) Offshore wave, wind and solar energy integrated power generating fleet
JP2009516799A (en) Wave energy recovery system
WO2008088376A1 (en) Hydroelectric wave-energy conversion system
KR20110021086A (en) Apparatus for using waves energy
CN101975133A (en) Turbine generating device capable of adjusting blade angle
US9657708B2 (en) Pumped-storage system
CN202510276U (en) Floater push type wave energy power generation device
CN103587654A (en) Ocean wave energy self-powered cyclic detection ecobuoy
CN111188719A (en) Wind wave power generation device, positioning method and positioning module for cold sea area
CN112855418B (en) Array winding rope type double-floating-body wave energy power generation device
CN103527391A (en) Ocean wave power generation system
CN212027973U (en) Wind wave power generation device for cold sea area
US7391127B2 (en) Renewable energy wave pump
CN101943104A (en) Airbag type sea wave power generation
CN104018980A (en) Pile type wave energy capturing device utilizing plurality of floating bodies
CA2408855A1 (en) Ocean wave energy converter
RU2347939C2 (en) Universal sea power generation plant
JP2017053320A (en) Power generator
RU59744U1 (en) WAVE POWER INSTALLATION
WO2014181354A2 (en) Method for power generation using tidal waves by trapping compressed air produced
RU2778597C1 (en) Marine power supply system for surveillance equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant