CN220549181U - Section buoy based on nano friction power generation - Google Patents
Section buoy based on nano friction power generation Download PDFInfo
- Publication number
- CN220549181U CN220549181U CN202321973291.3U CN202321973291U CN220549181U CN 220549181 U CN220549181 U CN 220549181U CN 202321973291 U CN202321973291 U CN 202321973291U CN 220549181 U CN220549181 U CN 220549181U
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- Prior art keywords
- nano
- power generation
- friction power
- cylindrical pressure
- bearing shell
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- 238000010248 power generation Methods 0.000 title claims abstract description 77
- -1 polytetrafluoroethylene Polymers 0.000 claims description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 22
- 229920001721 polyimide Polymers 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 239000004642 Polyimide Substances 0.000 claims description 10
- 238000007747 plating Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a section buoy based on nano friction power generation, and belongs to the technical field of buoys. The section buoy consists of a cylindrical pressure-bearing shell, an upper end cover, a lower end cover, a nano friction power generation module, a buoyancy adjusting module and a battery. The upper end cover is fixed at the top of the cylindrical pressure-bearing shell, and is provided with an antenna and a sensor; the lower end cover is fixed at the bottom of the cylindrical pressure-bearing shell; the nanometer friction power generation module is arranged on the cylindrical pressure-bearing shell; the buoyancy adjusting module is arranged in the cylindrical pressure-bearing shell; the battery is arranged at the inner lower part of the cylindrical pressure-bearing shell and is connected with the nano friction power generation module through a watertight cable. The cross section buoy based on nano friction power generation provided by the utility model can convert buoy surface deformation caused by ocean pressure change or sea wave energy into nano friction electric energy, so that the buoy has power supplement in the whole working period, and the service life of the buoy is effectively prolonged.
Description
Technical Field
The utility model belongs to the technical field of buoys, and particularly relates to a section buoy based on nano friction power generation.
Background
The ocean occupies 71% of the total earth's area, with 84% of the ocean water being more than 2000 meters deep. With technological progress, deep sea age is coming, and deep sea exploration continuously changes human cognition to sea. The global ocean real-time observational network has been continuously expanded to the fields of deep sea, high latitude, west boundary flow area, marginal sea and bio-geochemistry. The profile measurement buoy is used as a key carrier platform for ocean observation, and has important scientific significance for predicting future weather and global warming trend. Currently thousands of profile measurement buoys are in operation. The service life of the profile measuring buoy is generally 2-5 years, and most profile measuring buoys stop working due to the exhaustion of the electric quantity of the internal battery.
Therefore, the profile buoy based on nano friction power generation is needed, so that the surface deformation of the buoy caused by ocean pressure change is converted into nano friction electric energy when the buoy floats upwards and descends in the observation period, and the surface deformation of the buoy caused by sea wave energy can be converted into nano friction electric energy when the buoy floats on the water surface, so that the buoy has power supplement in the whole working period, and the service life of the buoy is effectively prolonged.
Disclosure of Invention
In order to solve the above-mentioned problems, the present utility model provides a profile buoy based on nano friction power generation.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a profile buoy based on nano-friction power generation, comprising:
a cylindrical pressure-bearing housing;
the upper end cover is fixed at the top of the cylindrical pressure-bearing shell and is provided with an antenna and a sensor;
the lower end cover is fixed at the bottom of the cylindrical pressure-bearing shell;
the nanometer friction power generation module is arranged on the cylindrical pressure-bearing shell;
the buoyancy adjusting module is arranged in the cylindrical pressure-bearing shell;
the battery is arranged at the inner lower part of the cylindrical pressure-bearing shell and is connected with the nano friction power generation module through a watertight cable.
In some of these embodiments, the nano-friction power generation module comprises:
the rigid nano polytetrafluoroethylene membrane is an inner layer of the nano friction power generation module and is fixedly connected with the cylindrical pressure-bearing shell;
the flexible nano-scale polytetrafluoroethylene film is an outer layer of the nano friction power generation module, and the surface of the flexible nano-scale polytetrafluoroethylene film deforms when being pressed;
the polyimide copper plating film is a middle layer of the nano friction power generation module and is arranged between the rigid nano polytetrafluoroethylene film and the flexible nano polytetrafluoroethylene film.
In some of these embodiments, the polyimide copper plating film is corrugated.
In some of these embodiments, the buoyancy adjustment module comprises:
the air pump is arranged at the inner bottom of the cylindrical pressure-bearing shell;
the air bag is arranged in the lower end cover and is connected with the air pump.
In some of these embodiments, the buoyancy adjustment module further comprises:
the hydraulic pump is positioned above the air pump and is provided with an inlet and an outlet;
the oil bag is arranged in the lower end cover and is communicated with an outlet of the hydraulic pump;
the oil tank is arranged beside the hydraulic pump and is communicated with an inlet of the hydraulic pump.
In some embodiments, two oil bags are arranged on two sides of the air bag.
In some of these embodiments, the nano-friction power generation based profile buoy further comprises a controller electrically connected to the antenna, the sensor, the battery, the air pump and the hydraulic pump, respectively.
In some of these embodiments, the nano friction power generation based profile buoy further comprises:
the support ring plate is arranged on the cylindrical pressure-bearing shell and is used for supporting and fixing the nano friction power generation module;
the cabin penetrating piece is arranged on the supporting annular plate, and the watertight cable is connected with the nano friction power generation module and the battery through the cabin penetrating piece.
In some embodiments, the nano friction power generation module is hollow cylindrical and is coated outside the cylindrical pressure-bearing shell.
In some of these embodiments, the nano-friction power generation based profile buoy further comprises a seal disposed between the upper end cap and the cylindrical pressure housing and between the cylindrical pressure housing and the lower end cap.
Compared with the prior art, the utility model has the beneficial effects that:
1. the cross section buoy based on nano friction power generation provided by the utility model can convert buoy surface deformation caused by ocean pressure change or sea wave energy into nano friction electric energy, fully utilizes ocean energy, ensures that the buoy has power supplement in the whole working period, is not influenced by weather, has low power supply cost and can effectively prolong the service life of the buoy.
2. The profile buoy based on nano friction power generation provided by the utility model is provided with the nano friction power generation module, flexible deformation caused by ocean underwater environment pressure difference and deformation power generation caused by sea surface fluctuation are fully utilized, so that the power generation efficiency is maximized, the service life of the buoy is prolonged, and the risk of data loss caused by battery power failure can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of one embodiment of a cross-sectional buoy based on nano-friction power generation according to the present utility model;
FIG. 2 is a side view of one embodiment of a cross-sectional buoy based on nano-friction power generation in accordance with the present utility model;
FIG. 3 is a schematic diagram illustrating an internal structure of one embodiment of a cross-sectional buoy based on nano-friction power generation according to the present utility model;
FIG. 4 is a schematic illustration of a cross-sectional buoy based on nano-friction power generation according to one embodiment of the present utility model;
fig. 5 is an enlarged schematic view of the portion a in fig. 3.
In the figure:
1. a cylindrical pressure-bearing housing; 2. an upper end cap; 3. a lower end cap; 4. a nano friction power generation module; 41. a rigid nanoscale polytetrafluoroethylene membrane; 42. a flexible nanoscale polytetrafluoroethylene membrane; 43. polyimide copper plating film; 5. a buoyancy adjustment module; 51. an air pump; 511. an air bag; 52. a hydraulic pump; 521. an oil bag; 522. an oil tank; 6. a battery; 7. a watertight cable; 8. a controller; 9. an antenna; 10. a sensor; 11. a support ring plate; 12. and (5) passing through the cabin.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 5, there is shown an exemplary embodiment of a nano friction power generation-based profile buoy according to the present utility model, which includes a cylindrical pressure-bearing housing 1, an upper end cap 2, a lower end cap 3, a nano friction power generation module 4, a buoyancy adjustment module 5, and a battery 6.
The upper end cover 2 is fixed on the top of the cylindrical pressure-bearing shell 1, the upper end cover 2 is provided with an antenna 9 and a sensor 10, and the lower end cover 3 is fixed on the bottom of the cylindrical pressure-bearing shell 1. The nano friction power generation module 4 is arranged on the cylindrical pressure-bearing shell 1, and the buoyancy adjusting module 5 is arranged in the cylindrical pressure-bearing shell 1. The battery 6 is arranged at the lower part in the cylindrical pressure-bearing shell 1, so that the gravity center position of the buoy can be lowered, and the battery 6 provides control driving energy for the whole buoy. The battery 6 is connected with the nano friction power generation module 4 through a watertight cable 7 so as to convey the electric energy generated by the nano friction power generation module 4 to the battery 6 for storage. Seals are provided between the upper end cap 2 and the cylindrical pressure-bearing housing 1 and between the cylindrical pressure-bearing housing 1 and the lower end cap 3 to ensure the tightness of the cylindrical pressure-bearing housing 1. Preferably, the static sealing treatment of O-rings is adopted between the upper end cover 2 and the cylindrical pressure-bearing shell 1 and between the cylindrical pressure-bearing shell 1 and the lower end cover 3.
The nano friction power generation module 4 is located at the upper part of the cylindrical pressure-bearing shell 1, the nano friction power generation module 4 is hollow cylindrical, and the diameter of the nano friction power generation module is larger than that of the cylindrical pressure-bearing shell 1, so that the nano friction power generation module 4 is coated outside the cylindrical pressure-bearing shell 1. The nano friction power generation module 4 is integrated outside the cylindrical pressure-bearing shell 1 in an adhesive sealing mode.
The nano friction power generation module 4 is formed by compounding three layers of a rigid nano polytetrafluoroethylene film 41, a polyimide copper plating film 43 and a flexible nano polytetrafluoroethylene film 42. The rigid nano-scale polytetrafluoroethylene film 41 is an inner layer of the nano-friction power generation module 4, and the rigid nano-scale polytetrafluoroethylene film 41 is fixedly connected with the cylindrical pressure-bearing shell 1. The flexible nano-scale polytetrafluoroethylene film 42 is an outer layer of the nano-friction power generation module 4, and the flexible nano-scale polytetrafluoroethylene film 42 deforms when being pressed. The polyimide copper plating film 43 is a middle layer of the nano friction power generation module 4, and the polyimide copper plating film 43 is arranged between the rigid nano polytetrafluoroethylene film 41 and the flexible nano polytetrafluoroethylene film 42, and can generate friction and electrification by utilizing surface deformation generated when the buoy performs section motion, so that ocean energy is converted into electric energy.
The polyimide copper plating film 43 is a high-strength, high-heat-resistance and high-conductivity film material, and is a composite film composed of a polyimide film and a copper film, and the surface of the polyimide film is plated with a copper film, so that the conductivity and mechanical strength of the polyimide film can be improved. In addition, in order to more easily convert the surface deformation of the float into nano-friction electric energy, the polyimide copper plating film 43 is waved to better generate friction with the rigid nano-scale polytetrafluoroethylene film 41 and the flexible nano-scale polytetrafluoroethylene film 42.
The profile buoy based on nano friction power generation further comprises a support ring plate 11 and a cabin penetrating member 12. The support ring plate 11 is arranged on the cylindrical pressure-bearing shell 1, is positioned in a cavity between the bottom of the nano friction power generation module 4 and the cylindrical pressure-bearing shell 1, and the support ring plate 11 is used for supporting and fixing the nano friction power generation module 4. The cabin penetrating piece 12 is arranged on the supporting annular plate 11, and the watertight cable 7 is connected with the nano friction power generation module 4 and the battery 6 through the cabin penetrating piece 12.
The buoyancy adjusting module 5 includes an air pump 51, an air bag 511, a hydraulic pump 52, an oil bag 521, and an oil tank 522. The air pump 51 is arranged at the inner bottom of the cylindrical pressure-bearing shell 1, the air bag 511 is arranged in the lower end cover 3, and the air bag 511 is connected with the air pump 51. The hydraulic pump 52 is located above the air pump 51, the hydraulic pump 52 has an inlet and an outlet, the oil bag 521 is arranged in the lower end cover 3, the oil bag 521 is communicated with the outlet of the hydraulic pump 52, the oil tank 522 is arranged beside the hydraulic pump 52, and the oil tank 522 is communicated with the inlet of the hydraulic pump 52. The hydraulic oil volume in the oil bag 521 and the oil tank 522 is regulated by the hydraulic pump 52, thereby changing the buoyancy state of the buoy to adjust the working water depth thereof.
In order to make the buoy perform the operations of floating, submerging, observing, etc. better, two oil bags 521 are provided, and two oil bags 521 are provided at both sides of the air bag 511. And the corresponding relation between the air bags 511 and the oil bags 521 and the volumes of the nano friction power generation modules 4 is preset in a buoyancy calculation mode, so that the waterline is positioned at the central line of the nano friction power generation modules 4 during the floating of the buoy on the water surface, and the charging efficiency is further optimized.
The section buoy based on nano friction power generation further comprises a controller 8, wherein the controller 8 is arranged in the cylindrical pressure-bearing shell 1, the controller 8 is fixed on the lower end cover 3, and the controller 8 is electrically connected with the antenna 9, the sensor 10, the battery 6, the air pump 51 and the hydraulic pump 52 respectively.
The antenna 9 is used for receiving and transmitting signals, and is provided with a communication terminal at its top. The antenna 9 is fixed on the upper end cover 2, so that when the buoy works in the sea, the water outlet height of the antenna 9 can be ensured to be communicated, and the communication terminal can transmit data.
The sensor 10 can adopt a marine temperature and salt depth sensor, and the marine temperature and salt depth sensor can continuously measure parameters such as temperature, conductivity, pressure, salinity, depth, density, sound velocity and the like of a marine environment in real time, and is a basic instrument for marine observation. The sensor 10 can calculate the working water depth and the sinking and floating state of the buoy according to the read external pressure data. The controller 8 further comprises a communication module, the cable of the antenna 9 passes through the upper end cover 2 and is connected with the communication module, and the communication module can send buoy data to a shore through the antenna 9.
In the above-mentioned exemplary embodiment, the profile buoy based on nano friction power generation can be in the time of the rising and submerged motion of observation with the buoy surface deformation that ocean pressure variation led to change into nano friction electric energy to the buoy can be in the time of the surface of water floats the buoy surface deformation that sea wave energy arouses into nano friction electric energy, make full use of ocean energy, make the buoy have the electric power to supply in whole duty cycle, not receive weather influence, effectively prolong the life of buoy.
The operation of one embodiment of a profile buoy based on nano-friction power generation according to the present utility model will be described with reference to fig. 1 to 5:
when the buoy is laid in the sea, the buoy performs normal submerging, floating, observing and water surface communication transmission operation according to a set operation mode. When the buoy is submerged, the controller 8 controls the hydraulic pump 52 and the air pump 51 to cooperate to enable the buoy to be submerged according to the submerged target depth. Specifically, the hydraulic oil flows back from the oil bag 521 to the oil tank 522, the air in the air bag 511 is discharged to the cylindrical pressure-bearing housing 1, and the float is submerged by the reduced displacement and the buoyancy less than the gravity. During the submerging process, the sensor 10 calculates the working water depth and the sinking and floating state of the buoy according to the read external pressure data, and when the buoy submerges to the target depth, the controller 8 controls the hydraulic pump 52 and the air pump 51 to work, and the buoy enters a hovering stage. After the hover phase is completed, the controller 8 controls the hydraulic pump 52 and the air pump 51 to cooperate to float the buoy. Specifically, the hydraulic pump 52 is started to discharge the hydraulic oil from the oil tank 522 to the oil bag 521, the air pump 51 pumps the air in the cylindrical pressure-bearing housing 1 into the air bag 511, and the float floats upward due to the increase of the displacement and the buoyancy force greater than the gravity force. When the buoy floats to the set position, the communication module sends buoy data to the shore through the antenna 9.
In the buoy submerging and floating operation, the nano friction power generation module 4 converts the surface deformation of the buoy caused by the ocean pressure change into nano friction electric energy. In the hovering operation, the nano friction power generation module 4 converts buoy surface deformation caused by sea surface wave energy into nano friction electric energy. And the converted nano friction electric energy is transmitted to the battery 6 for storage through the watertight cable 7, and the electric power is supplemented for the buoy.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (10)
1. A profile buoy based on nano friction power generation, comprising:
a cylindrical pressure-bearing housing;
the upper end cover is fixed at the top of the cylindrical pressure-bearing shell, and an antenna and a sensor are arranged on the upper end cover;
the lower end cover is fixed at the bottom of the cylindrical pressure-bearing shell;
the nanometer friction power generation module is arranged on the cylindrical pressure-bearing shell;
the buoyancy adjusting module is arranged in the cylindrical pressure-bearing shell;
the battery is arranged at the inner lower part of the cylindrical pressure-bearing shell and is connected with the nano friction power generation module through a watertight cable.
2. The nano-friction power generation based profile buoy of claim 1, characterized in that the nano-friction power generation module comprises:
the rigid nano-scale polytetrafluoroethylene membrane is an inner layer of the nano-friction power generation module and is fixedly connected with the cylindrical pressure-bearing shell;
the flexible nano-scale polytetrafluoroethylene membrane is an outer layer of the nano-friction power generation module, and the surface of the flexible nano-scale polytetrafluoroethylene membrane deforms when being pressed;
the polyimide copper plating film is a middle layer of the nano friction power generation module and is arranged between the rigid nano polytetrafluoroethylene film and the flexible nano polytetrafluoroethylene film.
3. The nano-friction power generation-based profile buoy according to claim 2, wherein the polyimide copper plating film is corrugated.
4. The nano-friction power generation based profile buoy of claim 1, characterized in that the buoyancy adjustment module comprises:
the air pump is arranged at the inner bottom of the cylindrical pressure-bearing shell;
the air bag is arranged in the lower end cover and is connected with the air pump.
5. The nano-friction power generation based profile buoy of claim 4, wherein the buoyancy adjustment module further comprises:
a hydraulic pump located above the air pump, the hydraulic pump having an inlet and an outlet;
the oil bag is arranged in the lower end cover and is communicated with an outlet of the hydraulic pump;
the oil tank is arranged beside the hydraulic pump and is communicated with the inlet of the hydraulic pump.
6. The nano-friction power generation-based profile buoy according to claim 5, wherein two oil bags are arranged, and the two oil bags are arranged on two sides of the air bag.
7. The nano-friction power generation based profile buoy of claim 5, further comprising a controller electrically connected to the antenna, sensor, battery, air pump and hydraulic pump, respectively.
8. The nano-friction power generation based profile buoy of claim 1, further comprising:
the support ring plate is arranged on the cylindrical pressure-bearing shell and is used for supporting and fixing the nano friction power generation module;
the cabin penetrating piece is arranged on the supporting annular plate, and the watertight cable is connected with the nano friction power generation module and the battery through the cabin penetrating piece.
9. The nano-friction power generation-based profile buoy according to any one of claims 1-8, wherein the nano-friction power generation module is hollow cylindrical and is coated outside the cylindrical pressure-bearing shell.
10. The nano-friction power generation based profile buoy of any one of claims 1-8, further comprising a seal disposed between the upper end cap and the cylindrical pressure housing and between the cylindrical pressure housing and the lower end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973291.3U CN220549181U (en) | 2023-07-25 | 2023-07-25 | Section buoy based on nano friction power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973291.3U CN220549181U (en) | 2023-07-25 | 2023-07-25 | Section buoy based on nano friction power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549181U true CN220549181U (en) | 2024-03-01 |
Family
ID=90005590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321973291.3U Active CN220549181U (en) | 2023-07-25 | 2023-07-25 | Section buoy based on nano friction power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549181U (en) |
-
2023
- 2023-07-25 CN CN202321973291.3U patent/CN220549181U/en active Active
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