CN221144650U - Self-adaptive ocean current energy power generation device - Google Patents

Self-adaptive ocean current energy power generation device Download PDF

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Publication number
CN221144650U
CN221144650U CN202322732425.9U CN202322732425U CN221144650U CN 221144650 U CN221144650 U CN 221144650U CN 202322732425 U CN202322732425 U CN 202322732425U CN 221144650 U CN221144650 U CN 221144650U
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China
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power generation
main shaft
unit
ocean current
current energy
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CN202322732425.9U
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Inventor
何广华
姜泽成
何润华
莫惟杰
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Shandong Ship Technology Research Institute
Harbin Institute of Technology Weihai
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Shandong Ship Technology Research Institute
Harbin Institute of Technology Weihai
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Abstract

The application belongs to the field of ocean current energy power generation, and particularly relates to a self-adaptive ocean current energy power generation device, which comprises a yaw system, a transmission system and a power generation system, wherein the yaw system is connected with the power generation system through the transmission system and drives the power generation system to rotate; on the other hand, the hydraulic rod can form the protection of the whole power generation device, and the power generation system is prevented from being damaged due to steering over. The application can ensure that the power generation device always faces to the water flow direction, thereby ensuring the optimal power generation efficiency.

Description

Self-adaptive ocean current energy power generation device
Technical Field
The application belongs to the field of ocean current energy power generation, and particularly relates to a self-adaptive ocean current energy power generation device.
Background
In order to reduce carbon emissions, clean energy sources such as solar energy, wind energy, ocean current energy and the like are preferred as future energy sources. Compared with wind power generation and photovoltaic power generation which are mature in development, the power generation and utilization of ocean current energy are only in the starting stage, and the ocean current energy is an important branch of ocean renewable energy, and has the advantages of high energy density, stronger predictability, no limitation of weather conditions, high expandability and the like compared with other energy sources. With the continuous development of technology, ocean currents can be expected to become an important contributor in the clean energy field in the future.
At present, the utilization of offshore energy often faces a number of practical engineering problems such as instability, high cost and the like, and capturing a single energy source in an area is not economical. Wind turbines typically capture energy only 20% -30% of the time, which greatly increases the energy capture cost per unit area. Therefore, optimizing ocean space power, reducing costs, and developing economically efficient power generation technologies are becoming mainstream.
At present, the power generation efficiency of the main flow rotary water turbine tidal current energy power generation device, the oscillating wing type tidal current energy power generation device and other devices under development is high in sensitivity to the ocean current flow direction, if a certain angle exists between the ocean current flow direction and the direction of the tidal current energy power generation device, the power generation efficiency can be affected, even the situation that the ocean current energy power generation device cannot be started when the angle is overlarge occurs, and therefore the direction of the ocean current energy power generation device is guaranteed to be consistent with the ocean current flow direction is very necessary. Moreover, related research and experiments of the integrated ocean current energy power generation device on the existing floating platform default that the power generation device always faces ocean current, and no consideration is given to how to adjust the power generation device if the two directions are different.
Therefore, the application aims to develop a self-adaptive ocean current energy power generation device, so that the ocean current energy power generation device integrated on the floating platform can self-adaptively adjust the direction of the ocean current energy power generation device to ensure the consistency of the direction of the ocean current energy power generation device and the ocean current direction, thereby ensuring the optimal power generation efficiency.
Disclosure of utility model
The application aims to provide a ocean current energy power generation device capable of adaptively adjusting the direction of a power generation system so as to ensure that the power generation device always faces to the water flow direction, thereby ensuring the optimal power generation efficiency.
The embodiment of the application can be realized by the following technical scheme:
the self-adaptive ocean current energy power generation device comprises a yaw system, a transmission system and a power generation system, wherein the yaw system is connected with the power generation system through the transmission system and drives the power generation system to rotate;
The yaw system comprises a driving unit, a control unit and a flow measuring unit, wherein the driving unit is arranged in the floating platform and is fixedly connected with the bottom plate of the floating platform through a first fixed plate, and the flow measuring unit and the power generation system are arranged outside the bottom plate of the floating platform through the transmission system and are contacted with water flow; the driving unit, the flow measuring unit and the power generation system are electrically connected with the control unit, the flow measuring unit detects the flow direction of water flow and transmits the flow direction of water flow to the control unit, the control unit reads the rotation angle of the power generation system and compares the rotation angle with the flow direction of water flow, and if the rotation angle is inconsistent with the flow direction of water flow, the control unit controls the driving unit to move and drives the power generation system to rotate through the transmission system so as to be consistent with the flow direction of water flow;
The driving unit comprises a power mechanism and a hydraulic rod, wherein the movable end of the hydraulic rod is rotationally connected with the transmission system, and the power mechanism can drive the movable end of the hydraulic rod to do linear reciprocating motion.
Preferably, the driving unit further comprises a first fixing part, the first fixing part extends along the axial direction of the hydraulic rod, a first through hole for the movable end of the hydraulic rod to pass through is formed in one end of the axial direction of the hydraulic rod, and the other end of the first through hole is fixedly connected with the power mechanism.
Further, the first fixing plate is vertically arranged above the bottom plate, two second fixing parts are arranged on one side, facing the driving unit, of the first fixing plate, and the two second fixing parts are positioned on the upper side and the lower side of the first fixing part;
The two second fixing parts are provided with second through holes along the vertical direction, and the second pin shafts penetrate through the second through holes and are rotationally connected with the outer wall of the first fixing part;
When the movable end of the hydraulic rod moves linearly back and forth, the first fixing part, the power mechanism and the hydraulic rod rotate around the second pin shaft.
Further, the transmission system comprises a transmission rod and a main shaft unit, one end of the transmission rod is rotatably connected with the movable end of the hydraulic rod through a pin shaft, and the other end of the transmission rod is fixedly connected with the top end of the main shaft unit;
and a third through hole along the vertical direction is formed in the bottom plate, and the bottom end of the main shaft unit penetrates through the third through hole and is fixedly connected with the power generation system.
Further, the spindle unit comprises a spindle shell and a spindle which are coaxially arranged, the spindle shell is provided with a fourth through hole along the axial direction of the spindle, and the spindle is positioned in the spindle shell and is rotationally connected with the spindle shell;
The main shaft shell is sleeved with a first flange and a second flange, the main shaft shell is fixedly connected with the bottom plate through the first flange, the bottom end of the main shaft is fixedly connected with the power generation system through the second flange, and the top end of the main shaft is fixedly connected with the transmission rod.
Preferably, the periphery of the main shaft is sleeved with at least one sealing ring, and the sealing ring is in interference fit with the inner wall of the main shaft shell and the outer wall of the main shaft.
Further, the power generation system includes at least one hydro-power generation unit.
Further, the power generation system includes at least one oscillating-wing power generation unit.
Further, the oscillating wing power generation unit comprises two transmission devices, a generator and two groups of hydrofoils, wherein the two transmission devices are arranged on two sides of the third fixed plate and are in anti-symmetrical arrangement, the transmission devices on each side convert the ascending and descending movements of the corresponding single group of hydrofoils into periodic rotation, and the generator converts the kinetic energy of the hydrofoils into electric energy through the transmission devices;
The generator is arranged on a third fixed plate, and the third fixed plate is vertically arranged at the bottom end of the transmission system and is fixedly connected with the transmission system.
Further, the flow measuring unit is a water flow direction sensor and can detect a water flow direction signal and transmit the signal to the control unit.
The self-adaptive ocean current energy power generation device provided by the embodiment of the application has at least the following beneficial effects:
(1) The yaw system in the ocean current energy power generation device is connected with the power generation system through the transmission system and drives the power generation system to rotate, so that the power generation system always faces the water flow direction, and the optimal power generation efficiency is ensured;
(2) The flow measuring unit detects the water flow direction and transmits the water flow direction to the control unit, the control unit reads the rotation angle of the power generation system and compares the rotation angle with the water flow direction transmitted by the flow measuring unit, if the rotation angle is inconsistent with the water flow direction, the control unit controls the driving unit to move and drives the power generation system to rotate through the transmission system, and the control unit reads the rotation angle of the power generation system in real time and monitors and transmits the water flow direction to the control unit in real time, so the control unit can adjust the rotation angle of the power generation system in real time according to the comparison result of the rotation angle and the water flow direction so as to keep the orientation of the power generation system consistent with the water flow direction all the time;
(3) The driving unit drives the movable end of the hydraulic rod to do linear reciprocating motion through the power mechanism, so that the movable end of the hydraulic rod can be far away from or close to the power mechanism, and the transmission system and the power generation system are driven to rotate; on the other hand, the hydraulic rod can form the protection of the whole power generation device, and the power generation system is prevented from being damaged due to steering over.
Drawings
FIG. 1 is an overall block diagram of an adaptive ocean current energy power generation device of the present application;
FIG. 2 is a top view of the adaptive ocean current energy power generation device of the present application;
FIG. 3 is a top view of a second embodiment of the adaptive ocean current energy power plant of the present application;
FIG. 4 is a diagram showing the overall structure of the connection between the spindle unit and the first and second flanges in the present application;
fig. 5 is a cross-sectional view taken along A-A of fig. 4.
Reference numerals: 11. the hydraulic drive device comprises a drive unit, 111, a hydraulic rod, 112, a power mechanism, 113, a first fixing part, 12, a flow measuring unit, 21, a transmission rod, 22, a main shaft unit, 221, a main shaft housing, 222, a main shaft, 223, a first tapered roller bearing, 224, a second tapered roller bearing, 225, a sealing ring, 31, a transmission device, 32, a hydrofoil, 33, a generator, 51, a bottom plate, 52, a first fixing plate, 53, a second fixing plate, 54, a third fixing plate, 55, a second fixing part, 56, a first flange, 57, a second flange, 58, a third fixing part, 59 and a second pin.
Detailed Description
The present application will be further described below based on preferred embodiments with reference to the accompanying drawings.
The terminology used in the description presented herein is for the purpose of describing embodiments of the application and is not intended to be limiting of the application. Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, as if they were fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected mechanically, directly or indirectly through an intermediate medium, and can be communicated internally. The specific meaning of the above terms in the present application will be specifically understood by those skilled in the art.
In addition, in the description of the embodiments of the present application, various components on the drawings are enlarged or reduced for the convenience of understanding, but this is not intended to limit the scope of the present application.
The application provides a self-adaptive ocean current energy power generation device which comprises a yaw system, a transmission system and a power generation system, wherein the yaw system is connected with the power generation system through the transmission system and drives the power generation system to rotate, so that the power generation system always faces to the flowing direction of water flow, and the optimal power generation efficiency is ensured.
Referring to the following details of the structure of the yaw system, fig. 1 shows the overall structure of the adaptive ocean current energy power generation device of the present application, as shown in fig. 1, the yaw system includes a driving unit 11, a control unit and a current measuring unit 12, where the driving unit 11 is installed inside the floating platform and is fixedly connected to a bottom plate 51 of the floating platform, the current measuring unit 12 and the power generation system are installed outside the bottom plate 51 of the floating platform through a transmission system and are in contact with water current, and the driving unit 11, the current measuring unit 12 and the power generation system are electrically connected to the control unit, the current measuring unit 12 detects the water current direction and transmits the water current direction to the control unit, and if the rotation angle is inconsistent with the water current direction, the control unit controls the driving unit 11 to move and drives the power generation system to rotate through the transmission system, and the current measuring unit 12 also monitors and transmits the water current direction to the control unit in real time, so that the control unit can adjust the rotation angle of the power generation system in real time according to the comparison result of the rotation angle and the water current direction, and if the rotation angle is consistent with the water current direction always.
Further, as shown in fig. 1, the driving unit includes a power mechanism 112 and a hydraulic rod 111, where a movable end of the hydraulic rod 111 is rotationally connected with the transmission system, and the power mechanism 112 can drive the hydraulic rod 111 to make a linear reciprocating motion, so that the movable end of the hydraulic rod 111 can be far away from or near the power mechanism, thereby driving the transmission system to rotate and further driving the power generation system to rotate.
Specifically, as shown in fig. 1, in order to realize the fixed connection between the driving unit 11 and the floating platform, the driving unit 11 in the present application is fixedly connected to the bottom plate 51 of the floating platform through the first fixing plate 52, the first fixing plate 52 is vertically disposed above the bottom plate 51, and the bottom end of the first fixing plate 52 may be fixedly connected to the bottom plate 51 through gluing, welding, integral molding, etc.
Further, as shown in fig. 1, two second fixing portions 55 are disposed on a side of the first fixing plate 52 facing the driving unit 11, the two second fixing portions 55 are located on upper and lower sides of the driving unit 11, the two second fixing portions 55 form a limit on the driving unit 11 in a vertical direction, the other two second fixing portions 55 are provided with second through holes along the vertical direction, the second pin shaft 59 penetrates through the second through holes and is rotationally connected with an outer wall of the driving unit, the second pin shaft 59 is disposed opposite to the first fixing plate 52, the hydraulic rod 111 drives the transmission system to rotate in a shrinking or extending process, and the driving unit can synchronously rotate around the second pin shaft 59 to achieve matching of the driving unit and the transmission system.
Further, as shown in fig. 1, the driving unit 11 further includes a first fixing portion 113, and the driving unit 11 is connected to the first fixing plate 52 and the second fixing portion 55 through the first fixing portion 113, and is rotationally connected to the second pin 59 through the first fixing portion 113, and as shown in fig. 2 and 3, when the movable end of the hydraulic rod 111 moves linearly back and forth, the first fixing portion 113, the power mechanism 112, and the hydraulic rod 111 rotate around the second pin 59.
Specifically, the first fixing portion 113 is displaced along the axial direction of the hydraulic rod 111, the first fixing portion 113 forms a circumferential enclosure for the power mechanism 112, one end of the first fixing portion 113 along the axial direction of the hydraulic rod 111 is provided with a first through hole for the movable end of the hydraulic rod 111 to pass through, and the other end is fixedly connected with the power mechanism 112. On the one hand, the first fixing portion 112 ensures the stability of the power mechanism 112, and further ensures the movement stability of the hydraulic rod 111; on the other hand, the hydraulic rod 111 can form protection for the entire power generation device, preventing damage from occurring due to the power generation system turning over.
It is conceivable that the first fixing portion 113 may have a regular or irregular shape such as a cylinder, a prism, or the like, and circumferential surrounding of the power mechanism 112 is easily achieved.
In some embodiments of the present application, the flow measuring unit 12 is a water flow direction sensor for detecting a water flow direction signal and transmitting the signal to the control unit.
The structure of the transmission system will be described in detail, as shown in fig. 1, the transmission system includes a transmission rod 21 and a spindle unit 22, one end of the transmission rod 21 is rotatably connected with a movable end of the hydraulic rod 111 through a pin, the other end is fixedly connected with a top end of the spindle unit 22, and the hydraulic rod 111 drives one end of the transmission rod 21 connected with the hydraulic rod 111 to rotate around the spindle unit 22 in the process of shrinking or extending, so that the other end of the transmission rod 21 drives the spindle unit 22 to rotate, and then drives the power generation system to rotate.
Further, a third through hole along the vertical direction is formed in the bottom plate 51, and the bottom end of the main shaft unit 22 is fixedly connected with the power generation system through the third through hole.
Further, fig. 4 and 5 show an overall structure diagram and a cross-sectional view of the spindle unit 22 in the present application, respectively, as shown in fig. 4 and 5, the spindle unit 22 includes a spindle housing 221 and a spindle 222 coaxially disposed, the spindle housing 221 is provided with a fourth through hole along an axial direction of the spindle 222, the spindle 222 is located in the spindle housing 221 and is rotatably connected with the spindle housing 221, and the spindle 222 can rotate relative to the spindle housing 221 and can be driven to rotate by the transmission rod 21, thereby driving the power generation system to rotate.
Further, to achieve relative rotation of the spindle 222 with respect to the spindle housing 221, the spindle housing 221 is fixedly coupled to the base plate 51.
It is envisioned that spindle housing 221 may be fixedly coupled to third throughbore of base plate 51 by gluing, welding, or the like. In some preferred embodiments of the application, the spindle housing 221 is fixedly coupled to the base plate 51 by a first flange 56.
Specifically, as shown in fig. 4 and 5, the first flange 56 is sleeved on the outer periphery of the spindle housing 221 and is fixedly connected with the spindle housing 221, and the first flange 56 is fixedly connected with the bottom plate 51 by a screw connection manner. The first flange 56 has advantages of stable connection, economical reliability, and convenient installation, and can realize stable connection of the spindle housing 221 and the bottom plate 51.
Further, as shown in fig. 4 and 5, the outer periphery of the main shaft housing 221 is further sleeved with a second flange 57, the bottom end of the main shaft 222 is fixedly connected with the power generation system through the second flange 57, the top end of the main shaft 222 is fixedly connected with the transmission rod 21, and the main shaft 222, the second flange 57 and the power generation system are driven to synchronously rotate in the rotation process of the transmission rod 21.
In some preferred embodiments of the present application, since the bottom end of the floating platform is in contact with water to a great extent, so that there is a problem that water enters the floating platform to damage the driving unit and the control unit, as shown in fig. 5, the periphery of the main shaft 222 is further sleeved with at least one sealing ring 225, and the sealing ring 225 is in interference fit with the inner wall of the main shaft housing 221 and the outer wall of the main shaft 222 and is located above the first flange 56, so that the entering water will first pass through the first barrier of the second flange 57 and the first flange 56, and the remaining water is blocked by the sealing ring 225, thus achieving a good sealing effect.
In some preferred embodiments of the present application, the spindle housing 221 and the spindle 222 are rotatably coupled by at least one tapered roller bearing to reduce friction loss of the spindle housing 221, the spindle 222 and increase the service life of the spindle unit 22.
Specifically, as shown in fig. 5, in the present application, a first tapered roller bearing 223 and a second tapered roller bearing 224 are provided between a spindle case 221 and a spindle 222, and the first tapered roller bearing 223 and the second tapered roller bearing 224 are mounted on an inner upper portion and an inner lower portion of the spindle case 221, respectively.
Further, an annular groove that limits the first tapered roller bearing 223 and the second tapered roller bearing 224 is provided inside the spindle housing 221.
The structure of the power generation system, which is a unit of the device for generating power based on water power, will be described in detail. Thus, the power generation system of the present application may include at least one hydro-power generation unit, and may also include at least one oscillating-wing power generation unit.
As shown in fig. 1, the present application describes in detail the structure of an oscillating wing power generation unit comprising two transmission devices 31, a generator 33 and two sets of hydrofoils 32, the two transmission devices 31 being installed at both sides of a third fixing plate 54, the transmission devices 31 of each side converting the ascending and descending movement of the corresponding single set of hydrofoils 32 into periodic rotation, the generator 33 converting the kinetic energy of the hydrofoils 32 into electric energy through the transmission devices 31.
Further, as shown in fig. 1, the generator 33 is mounted on a third fixing plate 54, and the third fixing plate 54 is vertically disposed at the bottom end of the transmission system and fixedly connected with the transmission system.
In some preferred embodiments of the present application, in order to increase the basic area of the transmission system and the third fixing plate 54 to increase the stability of the connection, as shown in fig. 1, a second fixing plate 53 is further fixed at the bottom end of the transmission system, the second fixing plate 53 is horizontally disposed and fixedly connected to the second flange 57 at the top end, and the bottom end is fixedly connected to the third fixing plate 54 through at least one third fixing portion 58.
In some preferred embodiments of the application, the two actuators 31 are arranged anti-symmetrically, enabling the coupling of the movements of the two sets of hydrofoils 32, enabling the two hydrofoils 23 to achieve the same speed of counter-heave and pitch movements.
In some specific embodiments of the application, the power generation system is equipped with an encoder electrically connected to the control unit, enabling detection of the rotational angle of the power generation system.
While the foregoing is directed to embodiments of the present application, other and further embodiments of the application may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (10)

1. An adaptive ocean current energy power generation device is characterized in that:
The yaw system is connected with the power generation system through the transmission system and drives the power generation system to rotate;
The yaw system comprises a driving unit, a control unit and a flow measuring unit, wherein the driving unit is arranged in the floating platform and is fixedly connected with the bottom plate of the floating platform through a first fixed plate, and the flow measuring unit and the power generation system are arranged outside the bottom plate of the floating platform through the transmission system and are contacted with water flow; the driving unit, the flow measuring unit and the power generation system are electrically connected with the control unit, the flow measuring unit detects the flow direction of water flow and transmits the flow direction of water flow to the control unit, the control unit reads the rotation angle of the power generation system and compares the rotation angle with the flow direction of water flow, and if the rotation angle is inconsistent with the flow direction of water flow, the control unit controls the driving unit to move and drives the power generation system to rotate through the transmission system so as to be consistent with the flow direction of water flow;
The driving unit comprises a power mechanism and a hydraulic rod, wherein the movable end of the hydraulic rod is rotationally connected with the transmission system, and the power mechanism can drive the movable end of the hydraulic rod to do linear reciprocating motion.
2. An adaptive ocean current energy power generation apparatus according to claim 1 wherein:
The driving unit further comprises a first fixing part, the first fixing part extends along the axial direction of the hydraulic rod, a first through hole for the movable end of the hydraulic rod to pass through is formed in one end of the axial direction of the hydraulic rod, and the other end of the first through hole is fixedly connected with the power mechanism.
3. An adaptive ocean current energy power generation apparatus according to claim 2 wherein:
the first fixing plate is vertically arranged above the bottom plate, two second fixing parts are arranged on one side, facing the driving unit, of the first fixing plate, and the two second fixing parts are positioned on the upper side and the lower side of the first fixing part;
The two second fixing parts are provided with second through holes along the vertical direction, and the second pin shafts penetrate through the second through holes and are rotationally connected with the outer wall of the first fixing part;
When the movable end of the hydraulic rod moves linearly back and forth, the first fixing part, the power mechanism and the hydraulic rod rotate around the second pin shaft.
4. An adaptive ocean current energy power generation apparatus according to claim 1 wherein:
the transmission system comprises a transmission rod and a main shaft unit, one end of the transmission rod is rotationally connected with the movable end of the hydraulic rod through a pin shaft, and the other end of the transmission rod is fixedly connected with the top end of the main shaft unit;
and a third through hole along the vertical direction is formed in the bottom plate, and the bottom end of the main shaft unit penetrates through the third through hole and is fixedly connected with the power generation system.
5. An adaptive ocean current energy power generation apparatus according to claim 4 wherein:
The main shaft unit comprises a main shaft shell and a main shaft which are coaxially arranged, the main shaft shell is provided with a fourth through hole along the axial direction of the main shaft, and the main shaft is positioned in the main shaft shell and is rotationally connected with the main shaft shell;
The main shaft shell is sleeved with a first flange and a second flange, the main shaft shell is fixedly connected with the bottom plate through the first flange, the bottom end of the main shaft is fixedly connected with the power generation system through the second flange, and the top end of the main shaft is fixedly connected with the transmission rod.
6. An adaptive ocean current energy power generation apparatus according to claim 5 wherein:
The outer periphery of the main shaft is sleeved with at least one sealing ring, and the sealing ring is in interference fit with the inner wall of the main shaft shell and the outer wall of the main shaft.
7. An adaptive ocean current energy power generation apparatus according to claim 1 wherein:
the power generation system includes at least one hydro-power generation unit.
8. An adaptive ocean current energy power generation apparatus according to claim 1 wherein:
the power generation system includes at least one oscillating-wing power generation unit.
9. An adaptive ocean current energy power generation apparatus according to claim 8 wherein:
The oscillating wing power generation unit comprises two transmission devices, a generator and two groups of hydrofoils, wherein the two transmission devices are arranged on two sides of the third fixed plate and are in antisymmetric arrangement, the transmission devices on each side convert the ascending and descending movements of the corresponding single group of hydrofoils into periodic rotation, and the generator converts the kinetic energy of the hydrofoils into electric energy through the transmission devices;
The generator is arranged on a third fixed plate, and the third fixed plate is vertically arranged at the bottom end of the transmission system and is fixedly connected with the transmission system.
10. An adaptive ocean current energy power generation apparatus according to claim 1 wherein:
The flow measuring unit is a water flow direction sensor and can detect a water flow direction signal and transmit the water flow direction signal to the control unit.
CN202322732425.9U 2023-10-12 2023-10-12 Self-adaptive ocean current energy power generation device Active CN221144650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322732425.9U CN221144650U (en) 2023-10-12 2023-10-12 Self-adaptive ocean current energy power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322732425.9U CN221144650U (en) 2023-10-12 2023-10-12 Self-adaptive ocean current energy power generation device

Publications (1)

Publication Number Publication Date
CN221144650U true CN221144650U (en) 2024-06-14

Family

ID=91417617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322732425.9U Active CN221144650U (en) 2023-10-12 2023-10-12 Self-adaptive ocean current energy power generation device

Country Status (1)

Country Link
CN (1) CN221144650U (en)

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