CN220542956U - Flow velocity detection device and tidal current energy unit - Google Patents
Flow velocity detection device and tidal current energy unit Download PDFInfo
- Publication number
- CN220542956U CN220542956U CN202322221566.4U CN202322221566U CN220542956U CN 220542956 U CN220542956 U CN 220542956U CN 202322221566 U CN202322221566 U CN 202322221566U CN 220542956 U CN220542956 U CN 220542956U
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- flow rate
- rate detection
- cross beam
- current energy
- tidal current
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- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- 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
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The utility model relates to the technical field of tidal current energy power generation, and discloses a flow rate detection device and a tidal current energy unit, comprising: the first end of the cross beam is suitable for being connected with a tidal current energy unit platform, and the second end of the cross beam is suitable for extending towards a direction away from the tidal current energy unit platform; the fixed stand is arranged corresponding to the second end of the cross beam; the flow velocity detection unit is arranged on the fixed stand. According to the utility model, the flow velocity detection unit is arranged at one end of the cross beam far away from the tidal current energy unit platform, so that the influence of the flow velocity detection unit on the impeller wake flow of the tidal current energy unit is reduced, and the accuracy of the detection result of the flow velocity detection unit is improved.
Description
Technical Field
The utility model relates to the technical field of tidal current energy power generation, in particular to a flow velocity detection device and a tidal current energy unit.
Background
The conventional tidal current energy flowmeter establishes a fixing device on the tidal current energy unit, the flowmeter is connected with the fixing device through a rope, the flowmeter is thrown into the sea, the flow speed and the flow direction of the sea water are measured, and as the flowmeter is arranged on the sea level, the flowmeter can be influenced by stormy waves, marine algae and other floaters, the running of the unit is influenced due to the fact that the failure is triggered. Meanwhile, the tidal current energy unit platform is often berthed by ships, and because the flowmeter is connected with the platform by ropes in water, the berthed ships are also affected to a certain extent, so that the ships cannot berth normally.
The prior art discloses a flow velocity detection device, wherein a flow velocity meter is arranged on a tidal current energy unit platform, so that the flow velocity meter and the tidal current energy unit platform are together arranged in sea water. However, the flowmeter is positioned right behind the impeller on the tidal current energy unit platform, so that the flowmeter is easily affected by the wake flow of the impeller, and the accuracy of the detection result of the flowmeter is affected.
Disclosure of Invention
In view of the above, the utility model provides a flow rate detection device and a tidal current energy unit, so as to solve the problem of low accuracy of detection results of the flow rate detection device in the prior art.
In a first aspect, the present utility model provides a flow rate detection device comprising: the first end of the cross beam is suitable for being connected with a tidal current energy unit platform, and the second end of the cross beam is suitable for extending towards a direction away from the tidal current energy unit platform; the fixed stand is arranged corresponding to the second end of the cross beam; the flow velocity detection unit is arranged on the fixed stand.
The beneficial effects are that: the flow velocity detection unit is arranged at one end of the cross beam, which is far away from the tidal current energy unit platform, so that the influence of the flow velocity detection unit on the impeller wake flow of the tidal current energy unit is reduced, and the accuracy of the detection result of the flow velocity detection unit is improved.
In an alternative embodiment, the fixed stand includes a rail and a support frame, the rail is disposed on an upper side of the cross beam, the support frame is disposed on an upper side of the rail, and the flow rate detection unit is disposed on the support frame.
The beneficial effects are that: the flow velocity detection unit can influence the detection accuracy of the flow velocity detection unit from the height of the cross beam, and the flow velocity detection unit is arranged on the support frame by arranging the support frame above the fence, so that the height of the flow velocity detection unit meets the working requirement, and the detection accuracy of the flow velocity detection unit is improved.
In an alternative embodiment, the support frame comprises a triangle, a vertical rod and a cross rod, and the flow velocity detection unit is arranged on the cross rod.
In an alternative embodiment, the triangular plates are arranged at intervals, the vertical rods are arranged in a plurality, the vertical rods are arranged corresponding to the triangular plates, and the cross rods are connected with the vertical rods at the same time.
The beneficial effects are that: the triangular plate is stable in structure, and the influence of water flow flushing on the supporting frame is reduced by arranging a plurality of triangular plates and a plurality of vertical rods, so that the supporting frame is stable in integral structure, the service life is prolonged, and the overhaul cost is saved.
In an alternative embodiment, the fence includes a fence body and a mounting rod, the fence body is disposed corresponding to the periphery of the cross beam, the mounting rod is disposed on the upper side of the fence body, and the support frame is connected with the mounting rod.
The beneficial effects are that: through setting up the rail, improved constructor's security when installing and maintaining flow rate detection device.
In an alternative embodiment, the flow rate detection unit is rotatably connected to the stationary gantry.
In an alternative embodiment, the fixed stand includes a cylindrical shaft body, and the flow rate detecting unit is sleeved on the outer portion of the cylindrical shaft body and is rotatably arranged.
The beneficial effects are that: through the rotation setting of velocity of flow detecting element and cylinder axis body, make velocity of flow detecting element can rotate along with the direction of rivers is nimble to make velocity of flow detecting element's life extension, detect data more accurate.
In an alternative embodiment, the flow rate detection units are arranged at intervals.
The beneficial effects are that: through setting up a plurality of velocity of flow detecting element, when a velocity of flow detecting element breaks down, other velocity of flow detecting element can normally work to practiced thrift the maintenance expense, and labour saving and time saving.
In an alternative embodiment, the length of the cross beam is 3m to 4m.
The beneficial effects are that: through the verification of a simulation test, when the length of the cross beam is 3m to 4m, the impeller wake of the tidal current energy unit cannot influence the detection result of the flow speed detection unit, and the detection accuracy of the flow speed detection unit is improved.
In a second aspect, the utility model further provides a tidal current energy unit, which comprises the flow velocity detection device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a flow rate detecting device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of the structure of the tidal current energy unit according to the embodiment of the utility model.
Reference numerals illustrate:
1. a cross beam; 2. a fixed stand; 201. a fence; 2011. a fence body; 2012. a mounting rod; 202. a support frame; 2021. a triangle; 2022. a vertical rod; 2023. a cross bar; 203. a cylindrical shaft body; 3. a flow rate detection unit; 4. tidal current energy unit platform.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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.
An embodiment of the present utility model is described below with reference to fig. 1 and 2.
According to an embodiment of the present utility model, in one aspect, as shown in fig. 1, there is provided a flow rate detection apparatus including: a cross beam 1, a fixed stand 2 and a flow rate detection unit 3. The first end of the cross beam 1 is adapted to be connected to a tidal current energy unit platform 4, and the second end of the cross beam 1 is adapted to extend in a direction away from the tidal current energy unit platform 4. The fixed stand 2 is arranged corresponding to the second end of the cross beam 1. The flow rate detection unit 3 is provided on the fixed mount 2.
Through setting up velocity of flow detecting element 3 in the one end that crossbeam 1 kept away from tidal current energy unit platform 4 to reduced velocity of flow detecting element 3 and received the influence of tidal current energy unit impeller wake, improved the accuracy of velocity of flow detecting element 3 testing result.
In one embodiment, as shown in fig. 1, the fixed stage 2 includes a rail 201 and a support frame 202, the rail 201 is disposed on the upper side of the cross beam 1, the support frame 202 is disposed on the upper side of the rail 201, and the flow rate detecting unit 3 is disposed on the support frame 202. The height of the flow velocity detection unit 3 from the cross beam 1 can influence the detection accuracy of the flow velocity detection unit 3, and the flow velocity detection unit 3 is arranged on the support frame 202 by arranging the support frame 202 above the fence 201, so that the height of the flow velocity detection unit 3 meets the working requirement, and the detection accuracy of the flow velocity detection unit 3 is improved.
It should be noted that, in the embodiment of the present utility model, through verification of the simulation test, when the height of the flow rate detecting unit 3 from the cross beam 1 is 80cm, no influence is exerted on the accuracy of the detection result of the flow rate detecting unit 3.
In one embodiment, as shown in fig. 1, the support 202 includes a triangle 2021, a vertical rod 2022, and a cross rod 2023, and the flow rate detecting unit 3 is disposed on the cross rod 2023.
In one embodiment, as shown in fig. 1, a plurality of triangular plates 2021 are arranged at intervals, a plurality of vertical rods 2022 are arranged corresponding to the plurality of triangular plates 2021, and a cross rod 2023 is connected with the plurality of vertical rods 2022. Because the triangular plates 2021 are stable in structure, the influence of water flow flushing on the supporting frame 202 is reduced by arranging the triangular plates 2021 and the vertical rods 2022, the whole structure of the supporting frame 202 is stable, the service life is prolonged, and the overhaul cost is saved.
In one embodiment, as shown in fig. 1, the fence 201 includes a fence body 2011 and a mounting rod 2012, the fence body 2011 is disposed corresponding to the periphery of the cross beam 1, the mounting rod 2012 is disposed on the upper side of the fence body 2011, and the support frame 202 is connected with the mounting rod 2012. By providing the fence 201, the safety of constructors in installing and maintaining the convection speed detection device is improved.
In one embodiment, the flow rate detection unit 3 is rotatably connected to the stationary gantry 2.
In one embodiment, as shown in fig. 1, the fixed stand 2 includes a cylindrical shaft 203, and the flow rate detecting unit 3 is sleeved outside the cylindrical shaft 203 and rotatably disposed. Through the rotation setting of flow velocity detection unit 3 and cylinder axis body 203, make flow velocity detection unit 3 can rotate along with the direction of rivers nimble to make flow velocity detection unit 3's life extension, detection data is more accurate.
In one embodiment, as shown in fig. 2, the flow rate detection units 3 are provided at intervals. By arranging a plurality of flow rate detection units 3, when one flow rate detection unit 3 fails, the rest flow rate detection units 3 can work normally, so that maintenance cost is saved, and time and labor are saved.
It should be noted that the flow rate detection units 3 in the embodiment of the present utility model are provided in two. Because the flow rate detection units 3 are arranged under water, when the flow rate detection units 3 fail, the tidal current energy unit platform 4 needs to be lifted to the water surface, so that when one flow rate detection unit 3 fails, the other flow rate detection unit 3 with standby is used for realizing normal operation.
In one embodiment, as shown in fig. 2, the length of the cross beam 1 is 3m to 4m. Through the verification of the simulation test, when the length of the cross beam 1 is 3m to 4m, the impeller wake of the tidal current energy unit cannot influence the detection result of the flow rate detection unit 3, and the detection accuracy of the flow rate detection unit 3 is improved.
According to an embodiment of the present utility model, on the other hand, as shown in fig. 2, there is further provided a tidal current energy unit, including the flow rate detection device described above.
When the flow rate detection device of the embodiment is used, firstly, a cross beam 1 perpendicular to a platform is welded on a tidal current energy unit platform 4, then, a rail 201 is arranged on the periphery of one end, far away from the tidal current energy unit, of the cross beam 1, a support frame 202 is connected to the rail 201, then, a flow rate detection unit 3 is fixed on the support frame 202, and finally, the tidal current energy unit is submerged in water.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A flow rate detection device, characterized by comprising:
the power flow energy unit comprises a cross beam (1), wherein a first end of the cross beam (1) is suitable for being connected with a power flow energy unit platform (4), and a second end of the cross beam (1) is suitable for extending towards a direction away from the power flow energy unit platform (4);
the fixed stand (2) is arranged corresponding to the second end of the cross beam (1);
and a flow velocity detection unit (3) which is arranged on the fixed stand (2).
2. The flow rate detection apparatus according to claim 1, wherein the stationary gantry (2) includes a rail (201) and a support frame (202), the rail (201) is disposed on an upper side of the cross beam (1), the support frame (202) is disposed on an upper side of the rail (201), and the flow rate detection unit (3) is disposed on the support frame (202).
3. The flow rate detection apparatus according to claim 2, wherein the support frame (202) includes a triangle (2021), a vertical rod (2022) and a cross rod (2023), the triangle (2021) is disposed on the rail (201), a lower end of the vertical rod (2022) is connected with the triangle (2021), the cross rod (2023) is connected with an upper end of the vertical rod (2022), and the flow rate detection unit (3) is disposed on the cross rod (2023).
4. A flow rate detection apparatus according to claim 3, wherein a plurality of triangular plates (2021) are arranged at intervals, a plurality of vertical rods (2022) are arranged corresponding to a plurality of triangular plates (2021), and the cross rod (2023) is connected with a plurality of vertical rods (2022) at the same time.
5. The flow rate detection apparatus according to any one of claims 2 to 4, wherein the fence (201) includes a fence body (2011) and a mounting rod (2012), the fence body (2011) is provided corresponding to an outer periphery of the cross beam (1), the mounting rod (2012) is provided on an upper side of the fence body (2011), and the support frame (202) is provided in connection with the mounting rod (2012).
6. The flow rate detection apparatus according to any one of claims 1 to 4, wherein the flow rate detection unit (3) is rotatably connected to the stationary gantry (2).
7. The flow rate detection apparatus according to any one of claims 1 to 4, wherein the stationary gantry (2) includes a cylindrical shaft body (203), and the flow rate detection unit (3) is rotatably disposed around the cylindrical shaft body (203).
8. The flow rate detection apparatus according to any one of claims 1 to 4, wherein the flow rate detection units (3) are provided in a plurality at intervals.
9. The flow rate detection apparatus according to any one of claims 1 to 4, wherein the length of the cross member (1) is 3m to 4m.
10. A tidal current energy unit, comprising: the flow rate detection device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221566.4U CN220542956U (en) | 2023-08-17 | 2023-08-17 | Flow velocity detection device and tidal current energy unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322221566.4U CN220542956U (en) | 2023-08-17 | 2023-08-17 | Flow velocity detection device and tidal current energy unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542956U true CN220542956U (en) | 2024-02-27 |
Family
ID=89968896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322221566.4U Active CN220542956U (en) | 2023-08-17 | 2023-08-17 | Flow velocity detection device and tidal current energy unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542956U (en) |
-
2023
- 2023-08-17 CN CN202322221566.4U patent/CN220542956U/en active Active
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