CN220979770U - Fan resistance-reducing structure of bedrock soil property high-resistance area - Google Patents
Fan resistance-reducing structure of bedrock soil property high-resistance area Download PDFInfo
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- CN220979770U CN220979770U CN202322726214.4U CN202322726214U CN220979770U CN 220979770 U CN220979770 U CN 220979770U CN 202322726214 U CN202322726214 U CN 202322726214U CN 220979770 U CN220979770 U CN 220979770U
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- 239000002689 soil Substances 0.000 title claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of fan resistance reduction, in particular to a fan resistance reduction structure of a bedrock soil high-resistance area, which comprises a first fan grounding ring, wherein one side of the first fan grounding ring is connected with a first vertical grounding electrode, the surface of the first vertical grounding electrode is connected with a grounding module, one side of the first vertical grounding electrode, which is close to the grounding module, is connected with a resistance reduction grounding electrode, one side of the first vertical grounding electrode, which is far away from the first fan grounding ring, is connected with a first grounding electrode, one side of the first fan grounding ring, which is close to the first vertical grounding electrode, is connected with a second vertical grounding electrode, and one side of the second vertical grounding electrode, which is far away from the first fan grounding ring, is connected with a third grounding electrode.
Description
Technical Field
The utility model relates to the technical field of fan resistance reduction, in particular to a fan resistance reduction structure of a bedrock soil high-resistance area.
Background
With the rapid development of the wind power industry, the number of wind power plants is continuously increased, the installed capacity is continuously increased, the safe and stable operation of wind power units and electrical equipment is more and more widely focused by people, according to the distribution characteristics of wind resources, places with good wind resources are generally located on ridges with high altitudes, geographical environments are poor, geological conditions are poor, a fan is used as a high-rise protrusion, lightning is easy to form at the fan, equipment is damaged, resistance of the fan is reduced, and lightning hazard prevention is particularly important for the wind power plants.
The inventor finds that in daily work, fans are distributed and installed on the tops of hills in the resistance reducing process, all fans are independently designed to be grounded, the areas of the grounded screens are enlarged when the areas with higher soil resistivity are met, the areas of the grounded screens are enlarged, measures such as resistance reducing agents or earth replacement are matched, the areas of the grounded screens are limited to a certain extent, the areas of the grounded screens are difficult to enlarge without limit, the whole excavation cost is high, backfill engineering quantity is large, and a large amount of resources are consumed.
Disclosure of utility model
The utility model aims to solve the defect of poor resistance reducing capability of a fan in a severe installation environment in the prior art, and provides a fan resistance reducing structure for a bedrock soil high-resistance area.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fan of bedrock soil matter high resistance district falls and hinders structure, includes first fan ground ring, and one side of first fan ground ring is connected with first perpendicular earthing pole, the surface connection of first perpendicular earthing pole has the earthing module, one side that first perpendicular earthing pole is close to the earthing module is connected with and hinders the earthing pole, through setting up this device, has reduced extensive excavation, has reduced mountain region excavation deep well ground difficulty simultaneously, has convenient construction, practices thrift the advantage of cost.
Preferably, one side of the first vertical grounding electrode far away from the first fan grounding ring is connected with a first grounding net, one side of the first fan grounding ring close to the first vertical grounding electrode is connected with a second vertical grounding electrode, and the first vertical grounding electrode is arranged to reduce grounding resistance, so that the fixed horizontal grounding electrode does not generate a relative movement effect.
Preferably, one side of the second vertical grounding electrode far away from the first fan grounding ring is connected with a third grounding network, the first fan grounding ring is arranged, the second vertical grounding electrode is directly contacted with a medium through the grounding electrode, and the second vertical grounding electrode is grounded with the meter flange through the grounding ring so as to achieve the equipotential with the ground, so that interference is eliminated.
Preferably, one side of the first fan grounding ring is connected with a third vertical grounding electrode, one side of the third vertical grounding electrode far away from the first fan grounding ring is connected with a second grounding network, and the second grounding network is arranged, so that the working grounding, the protection safety grounding, the shielding grounding and the lightning protection grounding are facilitated.
Preferably, the first vertical grounding electrode, the second vertical grounding electrode and the third vertical grounding electrode are spaced by 120 degrees and each extends outwards, and the third vertical grounding electrode is arranged to facilitate the protection of the fan, so that the stability of the equipment is improved, and the operation difficulty of the equipment is reduced.
Preferably, the surfaces of the first grounding grid, the second grounding grid and the third grounding grid are provided with resistance reducing agents, and damage to equipment caused by lightning is reduced conveniently by arranging the resistance reducing agents, so that the safety of the equipment is improved, and the use is convenient.
Compared with the prior art, the utility model has the advantages and positive effects that:
According to the utility model, when the device is used, under a mountain slope of a fan machine position, a relatively flat ground is found by combining with the field situation, the originally designed fan grounding ring is divided into three directions, each direction extends outwards, a vertical grounding electrode and a grounding module are added, a relatively flat ground is found, a set of grounding grids with certain size is manufactured, and the grounding module and the resistance reducing agent are matched.
Drawings
Fig. 1 is a schematic perspective view of a fan resistance reducing structure in a bedrock soil high resistance region;
fig. 2 is a schematic diagram of a first fan grounding ring structure of a fan resistance-reducing structure in a bedrock soil high-resistance area according to the present utility model;
Fig. 3 is a schematic diagram of a first grounding grid structure of a fan resistance-reducing structure in a bedrock soil high-resistance area.
Legend description: 1. the first fan grounding ring; 2. a first vertical ground electrode; 3. a grounding module; 4. resistance-reducing grounding electrode; 5. a second ground net; 6. a third ground net; 7. a first ground net; 8. a second vertical ground electrode; 9. and a third vertical ground electrode.
Detailed Description
Referring to fig. 1-3, the present utility model provides a technical solution: a fan resistance-reducing structure of a bedrock soil high-resistance area comprises a first fan grounding ring 1.
In this embodiment: one side of first fan ground ring 1 is connected with first perpendicular earthing pole 2, and the surface connection of first perpendicular earthing pole 2 has earthing module 3, and one side that first perpendicular earthing pole 2 is close to earthing module 3 is connected with and falls to hinder earthing pole 4, through setting up this device, has reduced extensive excavation, has reduced mountain region excavation deep well ground difficulty simultaneously, has construction convenience, practices thrift the advantage of cost.
Specifically, one side that first perpendicular earthing pole 2 kept away from first fan earthing ring 1 is connected with first earth screen 7, and one side that first fan earthing ring 1 is close to first perpendicular earthing pole 2 is connected with second perpendicular earthing pole 8, reduces the earth resistance through setting up first perpendicular earthing pole, plays fixed horizontal earthing pole and does not take place relative movement effect.
Specifically, a third grounding net 6 is connected to one side of the second vertical grounding electrode 8 far away from the first fan grounding ring 1, and the first fan grounding ring 1 is arranged.
In this embodiment: the grounding electrode is directly contacted with the medium, and then grounded with the meter flange through the grounding ring so as to achieve the equipotential with the ground, thereby eliminating interference.
Specifically, one side of the first fan grounding ring 1 is connected with a third vertical grounding electrode 9, one side of the third vertical grounding electrode 9 far away from the first fan grounding ring 1 is connected with a second grounding net 5, and the second grounding net 5 is arranged, so that the working grounding, the protection safety grounding, the shielding grounding and the lightning protection grounding are facilitated.
In this embodiment: the first vertical ground 2, the second vertical ground 8 and the third vertical ground 9 are spaced 120 degrees apart and each extend outwardly.
In this embodiment: through setting up the perpendicular earthing pole 9 of third, be convenient for protect the fan, improved the stability of equipment, reduced the operation degree of difficulty of equipment.
Specifically, the surfaces of the first grounding grid 7, the second grounding grid 5 and the third grounding grid 6 are provided with resistance reducing agents, and the damage of lightning to equipment is reduced conveniently by arranging the resistance reducing agents, so that the safety of the equipment is improved, and the use is convenient.
Working principle: through setting up this device, during the use, under the fan position hillside, combine the scene condition, look for comparatively flat ground, divide three direction on the fan ground ring of former design, every outwards extend every direction increase perpendicular earthing pole and earthing module 3, look for a comparatively flat ground, the ground net of a set of certain size is makeed, join in marriage earthing module 3, resistance-reducing agent, this scheme is applicable to soil resistivity and surpasses 2000 Ω.m mountain region, through the measure such as adjustment ground net size, earthing module 3, resistance-reducing agent, can guarantee fan unit ground resistance R < 4Ω, meet regulation standard requirement, through setting up this device, combine multiple resistance-reducing measure, outer leading ground, increase earthing module 3, increase resistance-reducing agent, reduced the extensive excavation, the mountain region excavation deep well ground difficulty has been reduced simultaneously, the construction is convenient, the advantage of saving cost.
Claims (6)
1. The utility model provides a fan of bedrock soil matter high resistance district falls and hinders structure, includes first fan ground ring (1), its characterized in that: one side of first fan ground ring (1) is connected with first perpendicular earthing pole (2), the surface of first perpendicular earthing pole (2) is connected with earthing module (3), one side that first perpendicular earthing pole (2) is close to earthing module (3) is connected with and falls to hinder earthing pole (4).
2. The fan resistance-reducing structure of a bedrock soil high-resistance area according to claim 1, wherein: one side of the first vertical grounding electrode (2) far away from the first fan grounding ring (1) is connected with a first grounding net (7), and one side of the first fan grounding ring (1) close to the first vertical grounding electrode (2) is connected with a second vertical grounding electrode (8).
3. The fan resistance-reducing structure of a bedrock soil high-resistance area according to claim 2, wherein: and one side of the second vertical grounding electrode (8) far away from the first fan grounding ring (1) is connected with a third grounding network (6).
4. The fan resistance-reducing structure of a bedrock soil high-resistance area according to claim 1, wherein: one side of the first fan grounding ring (1) is connected with a third vertical grounding electrode (9), and one side of the third vertical grounding electrode (9) far away from the first fan grounding ring (1) is connected with a second grounding network (5).
5. The fan resistance-reducing structure of a bedrock soil high-resistance area according to claim 1, wherein: the first vertical grounding electrode (2), the second vertical grounding electrode (8) and the third vertical grounding electrode (9) are separated by 120 degrees.
6. The fan resistance-reducing structure of a bedrock soil high-resistance area according to claim 2, wherein: the surfaces of the first grounding grid (7), the second grounding grid (5) and the third grounding grid (6) are provided with resistance reducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322726214.4U CN220979770U (en) | 2023-10-11 | 2023-10-11 | Fan resistance-reducing structure of bedrock soil property high-resistance area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322726214.4U CN220979770U (en) | 2023-10-11 | 2023-10-11 | Fan resistance-reducing structure of bedrock soil property high-resistance area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979770U true CN220979770U (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322726214.4U Active CN220979770U (en) | 2023-10-11 | 2023-10-11 | Fan resistance-reducing structure of bedrock soil property high-resistance area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979770U (en) |
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2023
- 2023-10-11 CN CN202322726214.4U patent/CN220979770U/en active Active
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