CN213752302U - Low-voltage coil copper bar outgoing line structure of dry-type transformer - Google Patents
Low-voltage coil copper bar outgoing line structure of dry-type transformer Download PDFInfo
- Publication number
- CN213752302U CN213752302U CN202022625356.8U CN202022625356U CN213752302U CN 213752302 U CN213752302 U CN 213752302U CN 202022625356 U CN202022625356 U CN 202022625356U CN 213752302 U CN213752302 U CN 213752302U
- Authority
- CN
- China
- Prior art keywords
- copper bar
- low
- voltage coil
- lead copper
- dry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 123
- 239000010949 copper Substances 0.000 title claims abstract description 123
- 239000012212 insulator Substances 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000007547 defect Effects 0.000 abstract description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a dry-type transformer low voltage coil copper bar outlet structure, include: the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in the coil box; a plurality of first insulators are arranged between the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar; the first insulator is respectively fixedly connected with the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar. The defect that more insulators and fixing assemblies are needed between the inner side lead copper bar of the transformer and the outer side lead copper bar of the transformer in the prior art is overcome, the using amount of the insulators and bolts and nuts for fixing is reduced, the workload of the transformer during assembly is reduced, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to a power equipment makes technical field, in particular to dry-type transformer low voltage coil copper bar outlet structure.
Background
Dry-type transformers are commonly used in urban distribution networks of 35kV and below, and all such transformers adopt a connection group of Dy 11. In the transformer production manufacturing process, in order to facilitate the assembly, the inner lead copper bar of the low-voltage winding is arranged at the inner side, the outer lead copper bar is arranged at the outer side, the inner lead copper bar and the outer lead copper bar are led out through the lead copper bars to be in-situ busbar lap joint for a standard wiring terminal, and the lead copper bar is fixed on an iron core clamping plate through an insulator. At the moment, the lead copper bars at the inner sides are connected together by the neutral point copper bars, and neutral point wiring terminals are led out from the side face of the transformer for overlapping of the bus bars on site. In recent years, manufacturers of dry-type transformers face greater cost reduction and efficiency improvement pressure, and dry-type transformers are mainly assembled manually or semi-automatically, so that the production efficiency is low, and the reduction of the production cost is not facilitated.
The low-voltage lead structure of the dry-type transformer is shown in fig. 1, and the reserved lengths of the low-voltage coil inner lead copper bar 1 and the low-voltage coil outer lead copper bar 1 of the transformer are consistent. And during assembly, the outer side lead copper bar 4 of the outer transformer and the inner side lead copper bar 5 of the transformer are respectively installed, wherein the specifications of the inner side lead copper bar and the outer side lead copper bar are consistent due to national standard requirements. The preformed hole in the top of the transformer internal lead copper bar 5 is used for connecting a neutral point copper bar, the preformed hole in the top of the transformer external lead copper bar 4 is used for installing a transformer cabinet internal bus bar, and the installation is completed and then the internal bus bar is lapped with a low-voltage power distribution cabinet internal bus bar. The low-voltage insulators are arranged between the transformer inner lead copper bar 5 and the transformer outer lead copper bar 4 and between the transformer inner lead copper bar 5 and the iron core clamping plate.
From the above figures, the number of lead copper bars used by a single three-phase dry-type transformer in the prior art is 6, the number of insulators is 6, and the number of bolt and nut combined parts is 9. Moreover, the insulator is arranged on the lead copper bar, so that the lead copper bar is more away by a distance for installing the insulator. Therefore, the assembly not only uses more materials, but also has low assembly efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a purpose of dry-type transformer low voltage coil copper bar outlet structure has overcome required insulator and the more defect of fixed subassembly between the inboard lead wire copper bar of transformer and the depressor outside lead wire copper bar in the past, has reduced the use amount of insulator and fixed bolt and nut, work load when having reduced the transformer assembly, has improved production efficiency, has reduced production and has risen originally.
In order to solve the technical problem, an embodiment of the utility model provides a dry-type transformer low voltage coil copper bar outlet structure, include: the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in the coil box;
a plurality of first insulators are arranged between the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar;
and the first insulator is respectively and fixedly connected with the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar.
Further, the number of the first insulators is 1.
Furthermore, the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in parallel.
Further, the dry-type transformer low-voltage coil copper bar outgoing line structure further comprises: lead copper bars of the dry-type transformer;
and the lead copper bar of the dry-type transformer is fixedly connected with the outer lead copper bar of the low-voltage coil.
Furthermore, one end of the dry-type transformer lead copper bar, which is far away from the low-voltage coil outer lead copper bar, is provided with a plurality of first connecting holes;
and the lead copper bar of the dry-type transformer is connected with the busbar in the dry-type transformer through the first connecting hole.
Furthermore, the dry-type transformer lead copper bar is fixedly connected with the low-voltage coil outer lead copper bar through a plurality of sets of bolt and nut assemblies.
Furthermore, the dry-type transformer lead copper bar is fixedly connected with the low-voltage coil outer lead copper bar through 2 sets of bolt and nut assemblies.
The embodiment of the utility model provides an above-mentioned technical scheme has following profitable technological effect:
the defect that more insulators and fixing assemblies are needed between the inner side lead copper bar of the transformer and the outer side lead copper bar of the transformer in the prior art is overcome, the using amount of the insulators and bolts and nuts for fixing is reduced, the workload of the transformer during assembly is reduced, the production efficiency is improved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a low-voltage lead structure of a dry-type transformer in the prior art;
fig. 2 is a schematic view of a copper bar outgoing structure of a low-voltage coil of a dry-type transformer according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a low-voltage coil outgoing line structure provided by the embodiment of the present invention.
Reference numerals:
1. the low-voltage coil inner lead copper bar, 2, the low-voltage coil outer lead copper bar, 3, the transformer lead copper bar, 4, the transformer outer lead copper bar, 5, the transformer inner lead copper bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 2 is a schematic view of a copper bar outgoing structure of a low-voltage coil of a dry-type transformer according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a low-voltage coil outgoing line structure provided by the embodiment of the present invention.
Referring to fig. 2 and 3, an embodiment of the present invention provides a copper bar outgoing line structure of a low-voltage coil of a dry-type transformer, including: the low-voltage coil inner lead copper bar 1 and the low-voltage coil outer lead copper bar 2; a plurality of first insulators are arranged between the low-voltage coil inner lead copper bar 1 and the low-voltage coil outer lead copper bar 2; the first insulator is respectively fixedly connected with the low-voltage coil inner lead copper bar 1 and the low-voltage coil outer lead copper bar 2.
According to the technical scheme, the defect that more insulators and fixing assemblies are needed between the inner side lead copper bar of the transformer and the outer side lead copper bar of the transformer in the prior art is overcome, the using amount of the insulators and bolts and nuts for fixing is reduced, the workload of the transformer during assembly is reduced, the production efficiency is improved, and the production cost is reduced.
Optionally, the number of the first insulators is 1. Namely, the low-voltage coil inner side lead wire and the low-voltage coil inner side lead wire can be insulated and fixed only through 1 first insulator.
Specifically, the low-voltage coil inner lead copper bar 1 and the low-voltage coil outer lead copper bar 2 are arranged in parallel.
Furthermore, the copper bar outgoing structure of the low-voltage coil of the dry-type transformer is also provided with a lead copper bar 3 of the dry-type transformer; and the lead copper bar 3 of the dry-type transformer is fixedly connected with the outer lead copper bar 2 of the low-voltage coil.
Specifically, one end of the dry-type transformer lead copper bar 3, which is far away from the low-voltage coil outer lead copper bar 2, is provided with a plurality of first connecting holes; the lead copper bar 3 of the dry type transformer is connected with an internal bus bar of the dry type transformer through a first connecting hole.
Specifically, the lead copper bar 3 of the dry-type transformer is fixedly connected with the outer lead copper bar 2 of the low-voltage coil through a plurality of sets of bolt and nut assemblies.
Optionally, the lead copper bar 3 of the dry-type transformer is fixedly connected with the outer lead copper bar 2 of the low-voltage coil through 2 sets of bolt and nut assemblies.
The embodiment of the utility model provides a aim at protecting a dry-type transformer low voltage coil copper bar outlet structure, include: the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in the coil box; a plurality of first insulators are arranged between the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar; the first insulator is respectively fixedly connected with the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar. The technical scheme has the following effects:
the defect that more insulators and fixing assemblies are needed between the inner side lead copper bar of the transformer and the outer side lead copper bar of the transformer in the prior art is overcome, the using amount of the insulators and bolts and nuts for fixing is reduced, the workload of the transformer during assembly is reduced, the production efficiency is improved, and the production cost is reduced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides a dry-type transformer low-voltage coil copper bar outlet structure which characterized in that includes: the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in the coil box;
a plurality of first insulators are arranged between the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar;
and the first insulator is respectively and fixedly connected with the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar.
2. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 1,
the number of the first insulators is 1.
3. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 1,
the low-voltage coil inner lead copper bar and the low-voltage coil outer lead copper bar are arranged in parallel.
4. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 1, further comprising: lead copper bars of the dry-type transformer;
and the lead copper bar of the dry-type transformer is fixedly connected with the outer lead copper bar of the low-voltage coil.
5. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 4,
one end of the dry-type transformer lead copper bar, which is far away from the low-voltage coil outer lead copper bar, is provided with a plurality of first connecting holes;
and the lead copper bar of the dry-type transformer is connected with the busbar in the dry-type transformer through the first connecting hole.
6. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 4,
and the lead copper bar of the dry-type transformer is fixedly connected with the outer lead copper bar of the low-voltage coil through a plurality of sets of bolt and nut assemblies.
7. The copper bar outgoing line structure of the low-voltage coil of the dry-type transformer as claimed in claim 6,
and the lead copper bar of the dry-type transformer is fixedly connected with the outer lead copper bar of the low-voltage coil through 2 sets of bolt and nut assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022625356.8U CN213752302U (en) | 2020-11-13 | 2020-11-13 | Low-voltage coil copper bar outgoing line structure of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022625356.8U CN213752302U (en) | 2020-11-13 | 2020-11-13 | Low-voltage coil copper bar outgoing line structure of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752302U true CN213752302U (en) | 2021-07-20 |
Family
ID=76823885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022625356.8U Active CN213752302U (en) | 2020-11-13 | 2020-11-13 | Low-voltage coil copper bar outgoing line structure of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752302U (en) |
-
2020
- 2020-11-13 CN CN202022625356.8U patent/CN213752302U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104752035A (en) | Part structure of 220 kV grade large-capacity dual-splitting power transformer | |
| CN201503765U (en) | Through type low-tension current mutual inductor | |
| CN213752302U (en) | Low-voltage coil copper bar outgoing line structure of dry-type transformer | |
| CN201388026Y (en) | Bus of fully isolated and shielded metal conductive tube and bus connector | |
| CN202940106U (en) | Dry-type transformer with open coiled iron cores | |
| CN110890201B (en) | Three-phase shunt reactor lead wire connection structure | |
| CN112289560A (en) | 12-pulse group 36-pulse rectifier transformer structure and method for reducing harmonic influence | |
| CN111933423A (en) | Body structure of single-phase direct-buried dry-type transformer | |
| CN103106999A (en) | Dry-type transformer | |
| CN201732672U (en) | Harmonic elimination type voltage transformer | |
| CN201311829Y (en) | Low pressure side copper bar wire outlet device of transformer | |
| CN201765930U (en) | Combined power transformer | |
| CN111540573A (en) | Detachable high-voltage lead for connecting two transformers and connecting method | |
| CN201146096Y (en) | Wind electric transformer with overvoltage protection screen | |
| CN202067656U (en) | Outdoor box-type transformer of 10 kV/220 V | |
| CN220604473U (en) | High-voltage-grade dry-type transformer | |
| CN210272027U (en) | Side wire inlet structure of high-voltage side of dry type transformer | |
| CN201122502Y (en) | Combined transformer structure | |
| CN220456233U (en) | Bus type current transformer matched with power plant | |
| CN201804702U (en) | Outdoor box-type 10kV current transformer | |
| CN221805262U (en) | Wall-mounted miniaturized energy-extraction winding cable junction box | |
| CN201829335U (en) | Outdoor box type 10kV voltage transformer | |
| CN218631627U (en) | Low-voltage low-power transformer suitable for high-altitude environment | |
| CN211654545U (en) | Short-circuit-resistant transformer | |
| CN213340023U (en) | Secondary short circuit prevention tapping box for voltage transformer on column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |