CN208674844U - It is a kind of applied to land wind power generating set electrically and control system be grounded device - Google Patents
It is a kind of applied to land wind power generating set electrically and control system be grounded device Download PDFInfo
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- CN208674844U CN208674844U CN201821437166.XU CN201821437166U CN208674844U CN 208674844 U CN208674844 U CN 208674844U CN 201821437166 U CN201821437166 U CN 201821437166U CN 208674844 U CN208674844 U CN 208674844U
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Abstract
The utility model discloses it is a kind of applied to land wind power generating set electrically and control system be grounded device, including insulating ground busbar, the insulating ground busbar includes insulating ground busbar mounting bracket, two epoxy resins insulation columns and confluence grounding copper bar, the insulating ground busbar mounting bracket includes horizontal support and the L-type support for being set to horizontal support both ends, the horizontal support both ends are equipped with the first mounting hole, second mounting hole in the L-type support, the epoxy resins insulation column inside are equipped with through-hole.The setting that the utility model passes through entire earthing or grounding means, lightning protection earthing and electrical and control system ground connection outside wind power generating set is enabled to not share the same earthing pole, and it can guarantee that external lightning protection earthing and electrical and control system ground connection access same earthed system, it can be effectively prevent damage of the back flashover to wind turbine control system, reduce the loss of the blower availability as caused by thunder and lightning.
Description
Technical field
The utility model relates to Wind turbines lightning protection fields, in particular to a kind of to be applied to land wind power generating set
The device of electrical and control system ground connection.
Background technique
Wind-power electricity generation has obtained a large amount of application in China in recent years as a kind of clean energy resource, large capacity, high tower,
Linear leaf wind power generating set has become the mainstream model installed at present.China in 2017 adds up installation amount and reaches 164GW, wherein
Northwest, northeast, three area of North China account for the 74.4% of whole generated energy.In Central China, south China, southwest etc., regional wind-powered electricity generation increases installation amount newly
Has the tendency that acceleration.Since large fan whole height is all in 80m or more, and it is mounted on the areas such as wilderness, mountainous region, seashore, pole
It is subject to be struck by lightning.Its mounting height already leads to thunder and lightning and is greater than the expected acceptable cost of repairs to their damage.
It has decreased although being struck by lightning in recent years to the damage of wind turbine control system, has been caused by thunder and lightning
Control system failure be still limit unit availability a key factor.Existing wind power generating set earthed system will
Lightning protection earthing and electrical and control system, which are grounded, outside blower shares column foot ground loop, accesses blower and box type transformer, then
Grounded screen.Control system current supply circuit carries out overvoltage protection by Surge Protector, and it is anti-can more to effectively reduce thunder and lightning
Hit the damage caused by control system.
Therefore, invent it is a kind of applied to land wind power generating set electrically and control system be grounded device it is above-mentioned to solve
Problem is necessary.
Utility model content
It is applied to land wind power generating set the purpose of this utility model is to provide one kind to be electrically grounded with control system
Device lightning protection earthing and electrical and control system outside wind power generating set are enabled to by the setting of entire earthing or grounding means
System ground connection does not share the same earthing pole, and can guarantee that external lightning protection earthing and electrical and control system ground connection access same connect
Ground system can effectively prevent damage of the back flashover to wind turbine control system, reduce the blower as caused by thunder and lightning
Availability loss, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: one kind being applied to land wind power generating set
The device of electrical and control system ground connection, including insulating ground busbar, the insulating ground busbar include insulating ground busbar peace
Bracket, two epoxy resins insulation columns and confluence grounding copper bar are filled, the insulating ground busbar mounting bracket includes horizontal support
With the L-type support for being set to horizontal support both ends, the horizontal support both ends are equipped with the first mounting hole, the in the L-type support
Two mounting holes, the epoxy resins insulation column inside are equipped with through-hole, and the confluence grounding copper bar both ends are equipped with third mounting hole, institute
It states corresponding confluence grounding copper bar on the inside of third mounting hole and is equipped with multiple wiring holes.
Preferably, insulating ground busbar side is equipped with tower cylinder, and the tower cylinder body bottom is equipped with trigged thunder line, institute
It states trigged thunder line bottom and is connected with column foot ground loop, column foot ground loop bottom connects column foot earthing pole.
Preferably, two epoxy resins insulation columns are set to two sides at the top of insulating ground busbar mounting bracket, described
Confluence grounding copper bar is set to two epoxy resins insulation column tops.
Preferably, the horizontal support and L-type support junction and L-type support right-angle folding crook are disposed as curved circular
Angle, the horizontal support and L-type support integrated molding.
Preferably, expansion bolt is equipped with outside second mounting hole, the insulating ground busbar mounting bracket passes through swollen
Swollen bolt is fixedly connected with column foot foundation ground.
Preferably, first mounting hole, through-hole and third mounting hole are corresponding, are equipped with outside the third mounting hole tight
Fixing bolt passes through fastening between the insulating ground busbar mounting bracket, two epoxy resins insulation columns and confluence grounding copper bar
Bolt is fixedly connected.
Preferably, the insulating ground busbar by cable connection wind generating set engine room equipotential busbar, it is electrical and
Control system working earthing and box type transformer are grounded busbar, and the cable passes through wiring hole and insulating ground busbar passes through bolt
It is fixedly connected, box type transformer ground connection busbar bottom is equipped with case and becomes earthing pole.
The technical effect and advantage of the utility model:
1, by the setting of entire earthing or grounding means, lightning protection earthing and electrical and control outside wind power generating set are enabled to
System earth does not share the same earthing pole, and can guarantee that external lightning protection earthing and the ground connection access of electrical and control system are same
Earthed system can effectively prevent damage of the back flashover to wind turbine control system, reduce the wind as caused by thunder and lightning
The loss of machine availability；
2, by the setting of multiple wiring holes, insulating ground busbar passes through cable connection wind generating set engine room equipotential
When busbar, electrical and control system working earthing and box type transformer ground connection busbar, wiring hole can flexibly control wiring, convenient
In-site installation reduces unnecessary device and expenditure.
Detailed description of the invention
Fig. 1 is the insulating ground busbar structure schematic diagram of the utility model.
Fig. 2 is the confluence grounding copper bar structural schematic diagram of the utility model.
Fig. 3 is the insulating ground busbar mounting support structure schematic diagram of the utility model.
Fig. 4 is the insulating ground wiring bus bar schematic diagram of the utility model.
In figure: 1 insulating ground busbar, 2 insulating ground busbar mounting brackets, 3 epoxy resins insulation columns, 4 confluence grounding coppers
Row, 5 horizontal supports, 6 L-type supports, 7 first mounting holes, 8 second mounting holes, 9 through-holes, 10 third mounting holes, 11 wiring holes, 12
Expansion bolt, 13 fastening bolts, 14 tower cylinders, 15 trigged thunder lines, 16 column foot ground loops, 17 column foot earthing poles, 18 wind-power electricity generations
Set engine room equipotential busbar, 19 electrical and control system working earthings, 20 box type transformers ground connection busbar, 21 casees changes ground connection
Pole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides one kind as shown in Figs 1-4 applied to land wind power generating set is electrical and control system
The device of ground connection, including insulating ground busbar 1, the insulating ground busbar 1 include insulating ground busbar mounting bracket 2, two
Epoxy resins insulation column 3 and confluence grounding copper bar 4, the insulating ground busbar mounting bracket 2 include horizontal support 5 and are set to
The L-type support 6 at 5 both ends of horizontal support, 5 both ends of horizontal support are equipped with the first mounting hole 7, the second peace in the L-type support 6
Hole 8 is filled, through-hole 9 is equipped with inside the epoxy resins insulation column 3,4 both ends of confluence grounding copper bar are equipped with third mounting hole 10,
Corresponding confluence grounding copper bar 4 is equipped with multiple wiring holes 11 on the inside of the third mounting hole 10.
Further, in the above-mentioned technical solutions, 1 side of insulating ground busbar is equipped with tower cylinder 14, the tower
Cylinder 14 bottom of cylinder is equipped with trigged thunder line 15, and 15 bottom of trigged thunder line is connected with column foot ground loop 16, the column foot ground loop
16 bottoms connect column foot earthing pole 17.
Further, in the above-mentioned technical solutions, two epoxy resins insulation columns 3 are set to insulating ground busbar peace
2 top two sides of bracket are filled, the confluence grounding copper bar 4 is set to two 3 tops of epoxy resins insulation column.
Further, in the above-mentioned technical solutions, the horizontal support 5 and 6 junction of L-type support and L-type support 6 are straight
Angle bending part is disposed as arc fillet, the horizontal support 5 and 6 integrated molding of L-type support, and it is strong to be conducive to enhancing junction
Degree, avoids frangibility.
Further, in the above-mentioned technical solutions, expansion bolt 12, the insulation are equipped with outside second mounting hole 8
Ground connection busbar mounting bracket 2 is fixedly connected by expansion bolt 12 with column foot foundation ground.
Further, in the above-mentioned technical solutions, first mounting hole 7, through-hole 9 and third mounting hole 10 are corresponding,
Fastening bolt 13,2, two epoxy resins insulations of the insulating ground busbar mounting bracket are equipped with outside the third mounting hole 10
It is fixedly connected between column 3 and confluence grounding copper bar 4 by fastening bolt 13.
Further, in the above-mentioned technical solutions, the insulating ground busbar 1 passes through cable connection wind power generating set machine
Cabin equipotential busbar 18, electrical and control system working earthing 19 and box type transformer are grounded busbar 20, and the cable is passed through and connect
String holes 11 is bolted to connection with insulating ground busbar 1, and the box type transformer ground connection 20 bottom of busbar is equipped with case change and connects
Earth polar 21.
This practical working principle:
Referring to Figure of description 1-3, when installation, fastening bolt 13 passes through the first mounting hole 7, through-hole 9 and third mounting hole
Epoxy resins insulation column 3 and confluence grounding copper bar 4 and the installation of insulating ground busbar mounting bracket 2 are fixed into an insulation and connect by 10
Ground busbar 1, then insulating ground busbar 1 is fixed on to the column foot of wind power generating set by the second mounting hole 8 and expansion bolt 12
On foundation ground, installation is completed, specific installation site can be adjusted flexibly according to the actual situation；
Referring to Figure of description 4, entire insulating ground busbar 1 is insulated by epoxy resins insulation column 3 and the earth, and is used as
Column foot equipotential busbar, insulating ground busbar 1 by cable connection wind generating set engine room equipotential busbar 18 and it is electrical and
Control system working earthing 19 is grounded busbar 20 by cable and box type transformer and connect, and cable is across wiring hole 11 when connection
It is bolted to connection with insulating ground busbar 1, Tightening moment 70NM, so that blower interior isopotential point and anti-sudden strain of a muscle
Electric induction, internal lighting protection device, electrical and control system grounding point can grounding point as far as possible far from external lightning protection device, simultaneously
It can guarantee effectively to access blower and box type transformer, 21 grounded screen of earthing pole is then become by case.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. it is a kind of applied to land wind power generating set electrically and the device that is grounded of control system, including insulating ground busbar (1),
It is characterized by: the insulating ground busbar (1) includes insulating ground busbar mounting bracket (2), two epoxy resins insulation columns
(3) include horizontal support (5) and be set to lateral branch with confluence grounding copper bar (4), the insulating ground busbar mounting bracket (2)
The L-type support (6) at frame (5) both ends, horizontal support (5) both ends are equipped with the first mounting hole (7), the on the L-type support (6)
Two mounting holes (8), the epoxy resins insulation column (3) is internal to be equipped with through-hole (9), and confluence grounding copper bar (4) both ends are equipped with
Third mounting hole (10), corresponding confluence grounding copper bar (4) is equipped with multiple wiring holes on the inside of the third mounting hole (10)
(11)。
2. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: insulating ground busbar (1) side is equipped with tower cylinder (14), tower cylinder (14) bottom, which is equipped with, draws
Thunder line (15), trigged thunder line (15) bottom are connected with column foot ground loop (16), column foot ground loop (16) the bottom connection
Column foot earthing pole (17).
3. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: two epoxy resins insulation columns (3) are set to two sides at the top of insulating ground busbar mounting bracket (2), institute
Confluence grounding copper bar (4) is stated to be set at the top of two epoxy resins insulation columns (3).
4. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: the horizontal support (5) is disposed as with L-type support (6) junction and L-type support (6) right-angle folding crook
Arc fillet, the horizontal support (5) and L-type support (6) integrated molding.
5. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: expansion bolt (12) are equipped with outside second mounting hole (8), the insulating ground busbar mounting bracket (2)
It is fixedly connected by expansion bolt (12) with column foot foundation ground.
6. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: first mounting hole (7), through-hole (9) and third mounting hole (10) are corresponding, the third mounting hole (10)
Outside is equipped with fastening bolt (13), the insulating ground busbar mounting bracket (2), two epoxy resins insulation columns (3) and confluence
It is fixedly connected between grounding copper bar (4) by fastening bolt (13).
7. it is according to claim 1 it is a kind of applied to land wind power generating set electrically and control system be grounded device,
It is characterized by: the insulating ground busbar (1) passes through cable connection wind generating set engine room equipotential busbar (18), electrical
And control system working earthing (19) and box type transformer ground connection busbar (20), the cable pass through wiring hole (11) and connect with insulation
Ground busbar (1) is bolted to connection, and box type transformer ground connection busbar (20) bottom is equipped with case and becomes earthing pole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437166.XU CN208674844U (en) | 2018-09-03 | 2018-09-03 | It is a kind of applied to land wind power generating set electrically and control system be grounded device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437166.XU CN208674844U (en) | 2018-09-03 | 2018-09-03 | It is a kind of applied to land wind power generating set electrically and control system be grounded device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674844U true CN208674844U (en) | 2019-03-29 |
Family
ID=65841746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821437166.XU Active CN208674844U (en) | 2018-09-03 | 2018-09-03 | It is a kind of applied to land wind power generating set electrically and control system be grounded device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208674844U (en) |
-
2018
- 2018-09-03 CN CN201821437166.XU patent/CN208674844U/en active Active
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