CN209624710U - Standard interface device for leading out leakage current signal of bushing of power transformer - Google Patents
Standard interface device for leading out leakage current signal of bushing of power transformer Download PDFInfo
- Publication number
- CN209624710U CN209624710U CN201920256294.2U CN201920256294U CN209624710U CN 209624710 U CN209624710 U CN 209624710U CN 201920256294 U CN201920256294 U CN 201920256294U CN 209624710 U CN209624710 U CN 209624710U
- Authority
- CN
- China
- Prior art keywords
- bushing
- aviation aluminium
- current signal
- leakage current
- interface
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004411 aluminium Substances 0.000 claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- 210000003168 insulating cell Anatomy 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model provides a kind of standard interface device for leading out leakage current signal of bushing of power transformer, belongs to power equipment monitoring technical field.It includes interface assembly shell, M fashioned iron elastic slice stem and insulating bushing, the interface assembly shell includes aviation aluminium front end, aviation aluminium adapter ontology and interface bottom cover, aviation aluminium front end is connected by screw to the aviation aluminium adapter ontology, the aviation aluminium adapter ontology and the interface bottom cover are fixedly connected by bolt, the insulating bushing is set in the interface assembly shell, and the M fashioned iron elastic slice stem is set in the insulating bushing.The standard interface device guarantees the abundant insulation of M fashioned iron elastic slice stem and interface assembly shell, guarantees the output of bottom shielding of bushing leakage current signal.
Description
Technical field
The utility model relates to power equipment monitoring technical fields, and in particular to a kind of power transformer casing leak electric current
Signal draws standard interface device.
Background technique
It is planned according to the smart grid of country, digital transformer substation construction is the important component of smart grid, and high
Piezoelectric forces equipment on-line monitoring is the basis of digital transformer substation, at present the power transformer casing master of smart grid planning operation
The production of Yao You famous brand name production firm, 80% or more the market share, without exception, the bushing shell for transformer of above-mentioned manufacturer's production connect
Ground device is all made of the frame mode of built-in closed and external closed ground connection, and outside the casing earthing or grounding means of each manufacturer
It sees, configurations, installation dimension is not of uniform size, and signal can not be drawn by implementing on-line monitoring, need to carry out to casing earthing or grounding means
Curve guide impeller meets the needs of casing implements on-line monitoring.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of leading out leakage current signal of bushing of power transformer mark
Quasi- interface arrangement realizes application of the on-line monitoring technique on bushing installation, solves above-mentioned technical problem.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of standard interface device for leading out leakage current signal of bushing of power transformer, including interface assembly shell, M fashioned iron
Elastic slice stem and insulating bushing, the interface assembly shell include aviation aluminium front end, aviation aluminium adapter ontology and interface bottom
Lid, aviation aluminium front end are connected by screw to the aviation aluminium adapter ontology, the aviation aluminium adapter ontology and institute
It states interface bottom cover to be fixedly connected by bolt, the insulating bushing is set in the interface assembly shell, the M fashioned iron
Elastic slice stem is set in the insulating bushing.
Further, the interface bottom cover is equipped with fairlead.
Further, it is equipped with the first stepped hole in aviation aluminium front end, is provided with the second ladder in the insulating bushing
Hole.
Further, the front end of the insulating bushing is connected at the step surface of stepped hole, the rear end of the insulating bushing
The rear end face of face and aviation aluminium front end is in same level.
Further, the junction of the aviation aluminium adapter ontology and the interface bottom cover is equipped with insulating cell.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model design is simple, reasonable, ensure that M fashioned iron elastic slice stem and interface assembly shell maintain well
Insulation performance, realize casing leak electric current guarantee bottom shielding of bushing leakage current signal output, realize by power transformer end
The current signal of screen leakage is transported in on-line monitoring system sampling detector, to implement to monitor on-line.
Detailed description of the invention
The following describes the utility model in further detail with reference to the accompanying drawings.
Fig. 1: the overall structure assembling schematic diagram of the utility model；
Fig. 2: the structural schematic diagram of the M fashioned iron elastic slice stem of the utility model；
Fig. 3: the structural schematic diagram of the aviation aluminium front end of the utility model；
Fig. 4: the structural schematic diagram of the insulating bushing of the utility model；
Fig. 5: the structural schematic diagram of the interface bottom cover of the utility model；
Fig. 6: the insulating cell structural schematic diagram of the utility model.
Specific embodiment
The utility model in order to better understand is further fairly set out in the utility model below with reference to embodiment
Hold, but the protection content of the utility model is not limited solely to the following examples.In the following description, a large amount of tools are given
The details of body more thoroughly understands in order to provide to the utility model.However, aobvious and easy to those skilled in the art
See, the utility model may not need one or more of these details and be carried out.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of leading out leakage current signal of bushing of power transformer standard
Interface arrangement, including interface assembly shell, M fashioned iron elastic slice stem 1 and insulating bushing 2, the interface assembly shell include boat
Empty aluminium front end 3, aviation aluminium adapter ontology 4 and interface bottom cover 5, aviation aluminium front end 3 and the aviation aluminium adapter 4 are logical
Screw connection is crossed, the aviation aluminium adapter ontology 4 and the interface bottom cover 5 are fixedly connected by bolt, the aviation
The junction of aluminium adapter ontology 4 and the interface bottom cover 5 is equipped with insulating cell 6, and insulating cell 6 is located at the upper of interface bottom cover 5
Side, insulating cell 6 play the role of sealing and insulation.
The insulating bushing 2 is set in the interface assembly shell, and the M fashioned iron elastic slice stem 1 is set in described
In insulating bushing 2.Wherein: the first stepped hole 7 is equipped in aviation aluminium front end 3, the front end of the insulating bushing 2 is connected to institute
At the step surface for stating the stepped hole 7 of aviation aluminium front end 3, the rear end face of the insulating bushing 2 and the rear end of aviation aluminium front end 3
Face is in same level.The rear end face of the insulating bushing 2 and the rear end face of aviation aluminium front end 3 are fixed by screw
Come.
The second stepped hole 8 is provided in the insulating bushing 2, the M fashioned iron elastic slice stem 1 is set in the insulation lining
In set, the front end of the shape of the M fashioned iron elastic slice stem 1 is M fashioned iron elastic slice 9, and rear end is copper stem 10, M fashioned iron bullet
Piece is set in the hole on the left side of the second stepped hole 8, and copper stem is set in the hole on the right of the second stepped hole 8.Copper
The diameter of stem is 5mm, length 15mm.The interface bottom cover 5 is equipped with fairlead 9.
Whole device use process is as follows:
Interface assembly shell is fixed on power transformer ontology, composition closing insulating space, guarantees in insulating bushing 2
M fashioned iron elastic slice stem 1 and interface assembly shell keep sufficiently insulation, the exit access of the M fashioned iron elastic slice stem 1
6m2Ground line guarantees the output of end shield leakage current signal, end shield leakage signal by drawing in the fairlead 9 at interface bottom cover 5
It is grounded again after outgoing cable is transmitted to current transformer, Current Transformer Secondary is exported to on-Line Monitor Device, realizes casing
On-line monitoring.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of standard interface device for leading out leakage current signal of bushing of power transformer, it is characterised in that: including interface assembly
Shell, M fashioned iron elastic slice stem and insulating bushing, the interface assembly shell include aviation aluminium front end, aviation aluminium adapter sheet
Body and interface bottom cover, aviation aluminium front end are connected by screw to the aviation aluminium adapter ontology, the aviation aluminium switching
Head ontology and the interface bottom cover are fixedly connected by bolt, and the insulating bushing is set in the interface assembly shell
Interior, the M fashioned iron elastic slice stem is set in the insulating bushing.
2. a kind of standard interface device for leading out leakage current signal of bushing of power transformer as described in claim 1, feature
Be: the interface bottom cover is equipped with fairlead.
3. a kind of standard interface device for leading out leakage current signal of bushing of power transformer as described in claim 1, feature
It is: is equipped with the first stepped hole in aviation aluminium front end, is provided with the second stepped hole in the insulating bushing.
4. a kind of standard interface device for leading out leakage current signal of bushing of power transformer as claimed in claim 3, feature
Be: the front end of the insulating bushing is connected at the step surface of the stepped hole, the rear end face of the insulating bushing with it is described
The rear end face of aviation aluminium front end is in same level.
5. a kind of standard interface device for leading out leakage current signal of bushing of power transformer as described in claim 1, feature
Be: the junction of the aviation aluminium adapter ontology and the interface bottom cover is equipped with insulating cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256294.2U CN209624710U (en) | 2019-02-28 | 2019-02-28 | Standard interface device for leading out leakage current signal of bushing of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256294.2U CN209624710U (en) | 2019-02-28 | 2019-02-28 | Standard interface device for leading out leakage current signal of bushing of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624710U true CN209624710U (en) | 2019-11-12 |
Family
ID=68455357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920256294.2U Active CN209624710U (en) | 2019-02-28 | 2019-02-28 | Standard interface device for leading out leakage current signal of bushing of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209624710U (en) |
-
2019
- 2019-02-28 CN CN201920256294.2U patent/CN209624710U/en active Active
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