CN204631170U - The lightning protection proving installation of the bearing of wind power generating set - Google Patents
The lightning protection proving installation of the bearing of wind power generating set Download PDFInfo
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- CN204631170U CN204631170U CN201520382403.7U CN201520382403U CN204631170U CN 204631170 U CN204631170 U CN 204631170U CN 201520382403 U CN201520382403 U CN 201520382403U CN 204631170 U CN204631170 U CN 204631170U
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- lightning protection
- bearing
- brush
- wind power
- power generating
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- 238000009434 installation Methods 0.000 title claims abstract description 39
- 229910000746 Structural steel Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
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- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000005284 excitation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model embodiment provides a kind of lightning protection proving installation of bearing of wind power generating set, comprising: base support structure, the lightning protection brush being arranged on the circular orbit in base support structure and can sliding on circular orbit.The technical solution of the utility model, by reappearing working environment and the principle of the lightning protection system in unit bearing, realizes testing the lightning protection system of the bearing relating to wind power generating set in patented claim.
Description
Technical field
The utility model relates to electric and electronic technical field, particularly relates to a kind of lightning protection proving installation of bearing of wind power generating set.
Background technology
Wind power generating set (being called for short " unit ") subjects to thunderbolt; and the drain passageway of thunderbolt comprises pitch variable bearings, main bearing, driftage bearing three kinds of bearings of unit; in order to protect pitch variable bearings, main bearing, the driftage bearing of unit, currently have developed wind power generating set bearing lightning protection system.In order to verify the feasibility of bearing lightning protection system, the proving installation for bearing lightning protection system is then absolutely necessary.
As application number be relate in the patented claim of CN201210472307.2 and CN201220514866.6 wind generating set pitch control bearing, main bearing, driftage bearing three kinds of bearings lightning protection scheme, by setting up independently lightning current leakage path, make lightning current along new passage flow without pitch variable bearings, main bearing, driftage bearing three kinds of bearings, thus effectively ensure the normal operation of wind power generating set.So, how to carry out Validity Test for this lightning protection system and just become the problem that technician needs solution badly.
Utility model content
Embodiment of the present utility model provides a kind of lightning protection proving installation of bearing of wind power generating set, to realize testing the lightning protection system of the bearing of the wind power generating set related in such as aforementioned patent applications.
For achieving the above object, embodiment of the present utility model provides a kind of lightning protection proving installation of bearing of wind power generating set, comprising: base support structure, the lightning protection brush being arranged on the circular orbit in described base support structure and can sliding on described circular orbit.
In the lightning protection proving installation of the bearing of wind power generating set as above, described base support structure comprises: base, the support be fixedly connected with described base; Arrange insulcrete on the bracket, described circular orbit is arranged on described insulcrete, thus described circular orbit is insulated by described insulcrete and described base support structure.
In the lightning protection proving installation of the bearing of wind power generating set as above, described circular orbit is made up of stainless steel.
In the lightning protection proving installation of the bearing of wind power generating set as above, described insulcrete is made up of epoxy resin or nylon.
In the lightning protection proving installation of the bearing of wind power generating set as above, also comprise: brush carriage, run through the bearing at described insulcrete and described circular orbit center; Described brush carriage one end is fixed in the rotating shaft of described bearing, and the other end insulate with described lightning protection brush and is connected, thus described lightning protection brush is when described axis of rotation, slides in linkage on described circular orbit.
In the lightning protection proving installation of the bearing of wind power generating set as above, also comprise: be positioned at the servomotor in described base support structure, rotate for the rotating shaft controlling described bearing.
In the lightning protection proving installation of the bearing of wind power generating set as above, also comprise brush connecting angle iron, described brush carriage is provided with insulation slide rail; Described brush connecting angle iron and described insulation slide rail are slidably connected, and are fixedly connected with described lightning protection brush, thus described brush carriage insulate with described lightning protection brush and is connected.
In the lightning protection proving installation of the bearing of wind power generating set as above, also comprise current feedback circuit; Described lightning protection brush is connected with the current output terminal of described current feedback circuit by lead-in wire, and described circular orbit pass through to go between with " " current potential is connected; Or described circular orbit is connected with the current output terminal of described current feedback circuit by lead-in wire, and described lightning protection brush pass through to go between with " " current potential is connected.
In the lightning protection proving installation of the bearing of wind power generating set as above, also comprise and be arranged in described rotating shaft, for the electric wire pressing plate of the fixing lead-in wire be connected with described lightning protection brush.
In the lightning protection proving installation of the bearing of wind power generating set as above, described brush carriage is three.
The lightning protection proving installation of the bearing of the wind power generating set that the utility model embodiment provides, by reappearing working environment and the principle of the lightning protection system in unit bearing, be provided with the lightning protection brush comprising base support structure, circular orbit and can slide on circular orbit.Protection brush is utilized to slide on circular orbit the drain passageway of the existing lightning protection system of access simulation formed, thus by monitoring the working condition of this drain passageway feedback under impressed current excitation, the performance of the lightning protection system of acquisition unit centre bearer of equal value, thus reach the object to its test.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The forward sight structural representation of the lightning protection proving installation of the bearing of the wind power generating set that Fig. 1 provides for the utility model;
The stravismus structural representation of the lightning protection proving installation of the bearing of the wind power generating set that Fig. 2 provides for the utility model.
Drawing reference numeral explanation
1-base support structure, 11-base, 12-support, 2-circular orbit, 3-lightning protection brush, 4-insulcrete, 5-brush carriage, 51-insulate slide rail, 6-bearing, 7-servomotor, 8-brush connecting angle iron, 9-electric wire pressing plate.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment of the present utility model by reappearing the drain passageway of existing lightning protection system, and carries out Performance Detection based on to this drain passageway, thus the lightning protection system of Equivalent realization to existing unit centre bearer carries out performance test.
Embodiment one
Fig. 1 and Fig. 2 is respectively the facing of the embodiment of the lightning protection proving installation of the bearing of the wind power generating set that the utility model provides, looks side ways structural representation.Shown in composition graphs 1 and Fig. 2, the lightning protection proving installation of the bearing of this wind power generating set specifically comprises:
Base support structure 1, the lightning protection brush 3 being arranged on the circular orbit 2 in base support structure 1 and can sliding on circular orbit 2.
In the present embodiment, base support structure 1 support 12 that can comprise base 11 and be fixedly connected with base 11.Base support structure 1 can be made of metal.Support 12 arranges insulcrete 4, between this insulcrete 4 with support 12, inserting mode can be adopted to be connected.Above-mentioned circular orbit 2 is arranged on insulcrete 4.Circular orbit 2 is made up of conductor, as stainless steel.Circular orbit 2 is insulated by insulcrete 4 and base support structure 1.Insulcrete 4 can be made up of the insulating material such as epoxy resin or nylon.
In the present embodiment, the lightning protection proving installation of the bearing of above-mentioned wind power generating set also comprises brush carriage 5 and runs through the bearing 6 at insulcrete 4 and circular orbit 2 center.Wherein, brush carriage 5 can be a long-bar metal structure, and its one end is fixed in the rotating shaft of bearing 6, and the other end insulate with lightning protection brush 3 and is connected, thus makes lightning protection brush 3 when the axis of rotation of bearing 6, slides in linkage on circular orbit 2.
In the present embodiment, the lightning protection proving installation of the bearing of above-mentioned wind power generating set also comprises the servomotor 7 be positioned in base support structure 1, rotating shaft for controlling bearing 6 after this servomotor 7 external power supply rotates, and is sliding on circular orbit 2 to drive lightning protection brush 3.
In the present embodiment, the lightning protection proving installation of the bearing of above-mentioned wind power generating set also comprises brush connecting angle iron 8, is arranged on the insulation slide rail 51 on brush carriage 5, and insulation slide rail 51 surface is wooden insulating material such as grade.Particularly, brush connection corner bracket 8 arranges protruding slide rail, and insulation slide rail 51 is groove slide rail; Or connect on corner bracket 8 and groove slide rail is set, and insulation slide rail 51 is protruding slide rail, thus brush connecting angle iron 8 is slidably connected with insulation slide rail 51.Brush connecting angle iron 8 also can arrange clamping bolt, clamp by clamping bolt after brush connecting angle iron 8 and insulation slide rail 51 relatively slide to a certain position.Certainly also can realize relatively clamping object by the elastic stress of itself between slide rail.Brush connecting angle iron 8 is also fixedly connected with lightning protection brush 3, thus brush carriage 5 is insulated with lightning protection brush 3 be connected.
In the present embodiment, the lightning protection proving installation of the bearing of above-mentioned wind power generating set also comprises current feedback circuit.Lightning protection brush 3 is connected with the current output terminal of current feedback circuit by lead-in wire, and circular orbit 2 pass through to go between with " " current potential is connected; Or circular orbit 2 is connected with the current output terminal of current feedback circuit by lead-in wire, and lightning protection brush 3 pass through to go between with " " current potential is connected.Here, current feedback circuit, lead-in wire and " " current potential do not mark in fig. 1 and 2.
Particularly, shown in the utility model embodiment, the principle of work of proving installation is: utilize the rotating shaft of servomotor 7 driving bearing 6 to rotate, and then drives lightning protection brush 3 to slide on circular orbit 2.Meanwhile, lightning protection brush 3 is connected with the current output terminal of current feedback circuit by lead-in wire, and circular orbit 2 pass through to go between with " " current potential is connected; Or circular orbit 2 is connected with the current output terminal of current feedback circuit by lead-in wire, and lightning protection brush 3 pass through to go between with " " current potential is connected.By current feedback circuit modulating output lightning current, thus between lightning protection brush 3 and circular orbit 2, form the drain passageway of lightning current.The degree of the phenomenons such as the wearing and tearing produced during by observing lightning protection brush 3 and sliding on circular orbit 2 and electric discharge, thus assess the lightning protection effect of this proving installation, and then the lightning protection effect assessing corresponding lightning protection system in unit of equal value.
Further, above-mentioned rotating shaft 6 also can arrange the electric wire pressing plate 9 for the fixing lead-in wire be connected with lightning protection brush 3, when sliding on circular orbit 2 to make lightning protection brush 3, the mixed and disorderly winding of lead-in wire can not be caused.
Further, in the lightning protection proving installation of the bearing of above-mentioned wind power generating set, brush carriage 5 can arrange multiple, and can keep identical differential seat angle between each brush carriage 5.Preferably, in the present embodiment, brush carriage 5 is set to 3, and the differential seat angle between every two is 120 °.
The lightning protection proving installation of the bearing of the wind power generating set that the utility model embodiment provides, by reappearing working environment and the principle of the lightning protection system in unit bearing, be provided with the lightning protection brush comprising base support structure, circular orbit and can slide on circular orbit.Protection brush is utilized to slide on circular orbit the drain passageway of the existing lightning protection system of access simulation formed, thus by monitoring the working condition of this drain passageway feedback under impressed current excitation, the performance of the lightning protection system of acquisition unit centre bearer of equal value, thus reach the object to its test.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.Module in device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a lightning protection proving installation for the bearing of wind power generating set, is characterized in that, comprising: base support structure, the lightning protection brush being arranged on the circular orbit in described base support structure and can sliding on described circular orbit.
2. the lightning protection proving installation of the bearing of wind power generating set according to claim 1, is characterized in that, described base support structure comprises: base, the support be fixedly connected with described base;
Arrange insulcrete on the bracket, described circular orbit is arranged on described insulcrete, thus described circular orbit is insulated by described insulcrete and described base support structure.
3. the lightning protection proving installation of the bearing of wind power generating set according to claim 2, is characterized in that, described circular orbit is made up of stainless steel.
4. the lightning protection proving installation of the bearing of wind power generating set according to claim 2, is characterized in that, described insulcrete is made up of epoxy resin or nylon.
5. the lightning protection proving installation of the bearing of wind power generating set according to claim 2, is characterized in that, also comprise: brush carriage, run through the bearing at described insulcrete and described circular orbit center;
Described brush carriage one end is fixed in the rotating shaft of described bearing, and the other end insulate with described lightning protection brush and is connected, thus described lightning protection brush is when described axis of rotation, slides in linkage on described circular orbit.
6. the lightning protection proving installation of the bearing of wind power generating set according to claim 5, is characterized in that, also comprise: be positioned at the servomotor in described base support structure, rotates for the rotating shaft controlling described bearing.
7. the lightning protection proving installation of the bearing of wind power generating set according to claim 5, is characterized in that, also comprises brush connecting angle iron, described brush carriage is provided with insulation slide rail;
Described brush connecting angle iron and described insulation slide rail are slidably connected, and are fixedly connected with described lightning protection brush, thus described brush carriage insulate with described lightning protection brush and is connected.
8. the lightning protection proving installation of the bearing of the wind power generating set according to any one of claim 5-7, is characterized in that, also comprise current feedback circuit;
Described lightning protection brush is connected with the current output terminal of described current feedback circuit by lead-in wire, and described circular orbit pass through to go between with " " current potential is connected; Or,
Described circular orbit is connected with the current output terminal of described current feedback circuit by lead-in wire, and described lightning protection brush pass through to go between with " " current potential is connected.
9. the lightning protection proving installation of the bearing of wind power generating set according to claim 8, is characterized in that, also comprises and is arranged in described rotating shaft, for the electric wire pressing plate of the fixing lead-in wire be connected with described lightning protection brush.
10. the lightning protection proving installation of the bearing of the wind power generating set according to any one of claim 5-7, is characterized in that, described brush carriage is three.
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CN201520382403.7U CN204631170U (en) | 2015-06-04 | 2015-06-04 | The lightning protection proving installation of the bearing of wind power generating set |
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CN201520382403.7U CN204631170U (en) | 2015-06-04 | 2015-06-04 | The lightning protection proving installation of the bearing of wind power generating set |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109061335A (en) * | 2018-06-28 | 2018-12-21 | 新疆金风科技股份有限公司 | Lightning protection test macro and test method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109061335A (en) * | 2018-06-28 | 2018-12-21 | 新疆金风科技股份有限公司 | Lightning protection test macro and test method |
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