CN208236583U - A kind of wind turbine generator set lightning protection system - Google Patents
A kind of wind turbine generator set lightning protection system Download PDFInfo
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- CN208236583U CN208236583U CN201721899302.2U CN201721899302U CN208236583U CN 208236583 U CN208236583 U CN 208236583U CN 201721899302 U CN201721899302 U CN 201721899302U CN 208236583 U CN208236583 U CN 208236583U
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- millimeters
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model embodiment discloses a kind of wind turbine generator set lightning protection system, for promoting the lightning protection properties of Wind turbines.The utility model embodiment method includes: blade-side lightning arrester, conductive hammer, cabin side earthing or grounding means；The conductive hammer is fixed between the blade-side lightning arrester and the cabin side earthing or grounding means；The gap of the conductive hammer and the blade-side lightning arrester is 5 to 10 millimeters；The gap of the conductive hammer and the cabin side earthing or grounding means is 5 to 15 millimeters.To prevent the too small collision for leading to conductive hammer and unit in gap and gap is excessive causes lightning current that can not puncture the destruction caused to Wind turbines.
Description
Technical field
The utility model relates to wind power generation field more particularly to a kind of wind turbine generator set lightning protection systems.
Background technique
Wind energy is a kind of reproducible green clean energy resource, and Wind turbines are the devices that can utilize wind power generation, with
The increase of Wind turbines single-machine capacity and the increase of fuselage height, the positive increasingly significant of the seriousness of Wind turbines Lightning Disaster.
In the prior art, the blade of Wind turbines is generally provided with lightning protection structure, as shown in Figure 1, blade 100 by
To when lightning stroke, the blade tip of blade 100 is provided with arrester (being not drawn into figure), which passes through blade lightning-protection for lightning current
The conduction of route 101 is to conductive strips 102, and then conductive strips 102 hammer 103 gap discharges into shape by conduction and conduct lightning current to cabin
The earthing or grounding means 104 of side, so that Wind turbines be protected not damaged by lightning current.
However, in practical applications, the selection of the discharging gap of conduction hammer will lead to failure when unreasonable, if gap mistake
Small, then the collision that conductive hammer and unit may occur in the process of running causes lightning current that can not hit if gap is excessive
It wears, to generate destruction to Wind turbines.
Utility model content
The utility model embodiment provides a kind of wind turbine generator set lightning protection system, for promoting the lightning protection of Wind turbines
Energy.
The utility model embodiment provides a kind of wind turbine generator set lightning protection system, comprising:
Blade-side lightning arrester, conductive hammer, cabin side earthing or grounding means；
Conduction hammer is fixed between the blade-side lightning arrester and the cabin side earthing or grounding means；
The gap of conduction hammer and the blade-side lightning arrester is 5 to 10 millimeters；
The gap of conduction hammer and the cabin side earthing or grounding means is 5 to 15 millimeters.
Optionally, conduction hammer is made of two conductive hammers, this two conductive hammers are bolted connection.
Optionally, the length of this two conductive hammers is isometric, and respective length is 40 to 70 millimeters.
Optionally, the length of this two conductive hammers is 43 millimeters, 48 millimeters, 53 millimeters, 58 millimeters, 63 millimeters or 68 millis
Rice.
Optionally, the gap of conduction hammer and the blade-side lightning arrester is 5 millimeters.
Optionally, the gap of conduction hammer and the cabin side lightning arrester is 15 millimeters.
Optionally, conduction hammer and the gap of the blade-side lightning arrester and conduction is hammered into shape and the cabin side earthing or grounding means
The sum of gap be 10 to 25 millimeters.
Optionally, conduction hammer and the gap of the blade-side lightning arrester and conduction hammer and the cabin side earthing or grounding means
The sum of gap is 20 millimeters.
As can be seen from the above technical solutions, the utility model embodiment has the advantage that
The gap of conduction hammer and blade-side lightning arrester is 5 to 10 millimeters, the gap of conduction hammer and cabin side earthing or grounding means
Be 5 to 15 millimeters, thus prevent the too small collision for leading to conductive hammer with unit in gap and gap it is excessive cause lightning current without
Method breakdown leads to the destruction to Wind turbines, promotes the lightning protection properties of Wind turbines.
Detailed description of the invention
Fig. 1 is a schematic diagram of wind turbine generator set lightning protection system in the prior art；
Fig. 2 is another schematic diagram of wind turbine generator set lightning protection system in the prior art.
Specific embodiment
The utility model embodiment provides a kind of wind turbine generator set lightning protection system, for promoting the lightning protection of Wind turbines
Energy.
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
The specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second ", " third ",
" 4th " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein or describing
Content other than sequence implement.In addition, term " includes " and " having " and their any deformation, it is intended that covering is not
Exclusive includes, for example, the process, method, system, product or equipment for containing a series of steps or units be not necessarily limited to it is clear
Step or unit those of is listed on ground, but is not clearly listed or for these process, methods, product or is set
Standby intrinsic other step or units.
In order to make it easy to understand, the wind turbine generator set lightning protection system in the utility model embodiment is described below, please join
Fig. 2 is read, wind turbine generator set lightning protection system includes: in the utility model embodiment
Blade-side lightning arrester 201, conductive hammer 202, cabin side earthing or grounding means 203；
Conduction hammer 202 is fixed between the blade-side lightning arrester 201 and the cabin side earthing or grounding means 203；
The gap of conduction hammer 202 and the blade-side lightning arrester 201 is 5 to 10 millimeters；
The gap of conduction hammer 202 and the cabin side earthing or grounding means 203 is 5 to 15 millimeters.
In the present embodiment, conduction hammer 202 is made of two conductive hammers, this two conductive hammers are bolted connection.
Specifically, in two conductive hammers, a conductive hammer has bolt, another conduction hammer has bolt hole and bolt phase
Matching, the two can rotate connection with this configuration and mutually fix.
Preferably, the length of this two conductive hammers is isometric, and respective length is 40 to 70 millimeters.
Preferably, the length of this two conductive hammers is 43 millimeters, 48 millimeters, 53 millimeters, 58 millimeters, 63 millimeters or 68 millis
Rice.
Preferably, the gap of conduction hammer 202 and the blade-side lightning arrester 201 is 5 millimeters.
Preferably, the gap of conduction hammer 202 and the cabin side lightning arrester 203 is 15 millimeters.
Preferably, conduction hammer 202 and the gap of the blade-side lightning arrester 201 and conduction hammer 202 and the cabin side
The sum of gap of earthing or grounding means 203 is 10 to 25 millimeters.
Preferably, conduction hammer 202 and the gap of the blade-side lightning arrester 201 and conduction hammer 202 and the cabin side
The sum of gap of earthing or grounding means 203 is 20 millimeters.
The utility model embodiment has the advantage that the gap of conductive hammer and blade-side lightning arrester is 5 to 10 millimeters,
Conduction hammer is 5 to 15 millimeters with the gap of cabin side earthing or grounding means, to prevent gap is too small from leading to touching for conductive hammer and unit
It hits and gap is excessive causes lightning current that can not puncture the destruction caused to Wind turbines, promote the lightning protection of Wind turbines
Energy.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of wind turbine generator set lightning protection system characterized by comprising
Blade-side lightning arrester, conductive hammer, cabin side earthing or grounding means；
The conductive hammer is fixed between the blade-side lightning arrester and the cabin side earthing or grounding means；
The gap of the conductive hammer and the blade-side lightning arrester is 5 to 10 millimeters；
The gap of the conductive hammer and the cabin side earthing or grounding means is 5 to 15 millimeters.
2. lightning-protection system according to claim 1, which is characterized in that the conductive hammer is made of two conductive hammers, described
Two conductive hammers are bolted connection.
3. lightning-protection system according to claim 2, which is characterized in that the length of described two conductive hammers is isometric, respectively long
Degree is 40 to 70 millimeters.
4. lightning-protection system according to claim 3, which is characterized in that the length of described two conductive hammers are 43 millimeters,
48 millimeters, 53 millimeters, 58 millimeters, 63 millimeters or 68 millimeters.
5. lightning-protection system according to claim 1, which is characterized in that the conductive hammer and the blade-side lightning arrester
Gap is 5 millimeters.
6. lightning-protection system according to claim 1, which is characterized in that the conductive hammer and the cabin side lightning arrester
Gap is 15 millimeters.
7. lightning-protection system according to any one of claims 1 to 6, which is characterized in that institute's conductive hammer and the blade
The gap of side lightning arrester and the sum of the conductive hammer and the gap of the cabin side earthing or grounding means are 10 to 25 millimeters.
8. lightning-protection system according to claim 7, which is characterized in that the conductive hammer and the blade-side lightning arrester
Gap and the sum of the conductive hammer and the gap of the cabin side earthing or grounding means are 20 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899302.2U CN208236583U (en) | 2017-12-29 | 2017-12-29 | A kind of wind turbine generator set lightning protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899302.2U CN208236583U (en) | 2017-12-29 | 2017-12-29 | A kind of wind turbine generator set lightning protection system |
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| Publication Number | Publication Date |
|---|---|
| CN208236583U true CN208236583U (en) | 2018-12-14 |
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| CN201721899302.2U Active CN208236583U (en) | 2017-12-29 | 2017-12-29 | A kind of wind turbine generator set lightning protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087212A (en) * | 2017-12-29 | 2018-05-29 | 华润新能源（连州）风能有限公司 | A kind of wind turbine generator set lightning protection system |
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2017
- 2017-12-29 CN CN201721899302.2U patent/CN208236583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087212A (en) * | 2017-12-29 | 2018-05-29 | 华润新能源（连州）风能有限公司 | A kind of wind turbine generator set lightning protection system |
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