CN212010677U - Novel low-voltage lead device of oil immersed transformer - Google Patents
Novel low-voltage lead device of oil immersed transformer Download PDFInfo
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- CN212010677U CN212010677U CN202020699243.XU CN202020699243U CN212010677U CN 212010677 U CN212010677 U CN 212010677U CN 202020699243 U CN202020699243 U CN 202020699243U CN 212010677 U CN212010677 U CN 212010677U
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Abstract
The utility model discloses a novel low-voltage lead device of an oil immersed transformer, which comprises a transformer body and an oil tank cover; an iron core is arranged in the transformer body, a winding wire is arranged on the iron core, a braided soft copper wire is connected onto the winding wire, the oil tank cover is positioned right above the transformer body, a low-voltage porcelain insulator sleeve is arranged on the front side of the upper surface of the oil tank cover, a low-voltage lead rod is arranged on the low-voltage porcelain insulator sleeve, the lower end of the low-voltage lead rod penetrates through the low-voltage porcelain insulator sleeve to the position below the oil tank cover, a transition copper bar is arranged below the oil tank cover, a lead fixing frame is arranged below the transition copper bar, and a high-voltage porcelain insulator sleeve is arranged on the rear side of the upper surface of the; the transition copper bar passes through the fixed orifices to be installed on low-voltage wire pole afterbody bolt, and the transformer electric energy output of being convenient for is led to the low pressure of constituteing the transformer, the utility model discloses the commonality is higher, and the flexible operation, simple to operate reduces transformer manufacturing cost, and economic nature is high.
Description
Technical Field
The utility model relates to a substation equipment technical field specifically is a novel oil-immersed transformer low pressure lead device.
Background
The low-voltage lead of the traditional oil immersed transformer adopts the welding transition of a coil wire and a copper bar, the copper bar is fixed on a conducting rod in a low-voltage porcelain bushing on a box cover to connect a low-voltage wire outlet device of the transformer, and the low-voltage wire outlet device has the following defects: every looks wire interval of three-phase transformer coil is inconsistent with oil tank case lid low pressure wire pole interval, need correspond the copper bar according to every looks size welding, the commonality is lower, is unfavorable for standardized operation, and copper bar hardness is higher, needs the accurate copper bar mounting hole spatial position and low pressure vase spatial position of calculating, the copper bar just can accurately be connected after bending many times, will lead to unable smooth installation when the size deviation of being qualified for the next round of competitions, consume man-hour, be unfavorable for the operation. After a coil wire and a copper bar are welded in some manufacturing enterprises, the other end of the copper bar is connected by a flexible connecting sheet which is formed by overlapping a plurality of layers of copper foils with the thickness of 0.3-0.4mm to 3-6mm, and the copper foils and the copper foil pieces can not be closely attached due to the bending stress of each layer of copper foil, so that the flexible connecting sheet is not convenient to install and connect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a novel oil immersed transformer low pressure lead device is provided, use the material for weaving the annealed copper wire, market easily obtains, need not a lot of processing, only need according to the line footpath of the corresponding current-carrying cross-section of transformer capacity selection, weave the annealed copper wire only need with the winding wire, and the welding of transition copper bar can, the process is few easy operation, and weave the annealed copper wire and easily in insulation treatment, it is better to weave the annealed copper wire toughness, be convenient for bend to any direction angle, the commonality is higher, the flexible operation, be convenient for be connected between winding wire and the low pressure wire pole, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel low-voltage lead device of an oil immersed transformer comprises a transformer body and an oil tank cover;
an iron core is arranged in the transformer body, a winding wire is arranged on the iron core, a braided soft copper wire is connected onto the winding wire, the oil tank cover is positioned right above the transformer body, a low-voltage porcelain insulator sleeve is arranged on the front side of the upper surface of the oil tank cover, a low-voltage lead rod is arranged on the low-voltage porcelain insulator sleeve, the lower end of the low-voltage lead rod penetrates through the low-voltage porcelain insulator sleeve to the position below the oil tank cover, a transition copper bar is arranged below the oil tank cover, a lead fixing frame is arranged below the transition copper bar, and a high-voltage porcelain insulator sleeve is arranged on the rear side of the upper surface of the;
wherein: and oil level gauges are arranged on the left sides of the middle parts of the high-voltage porcelain bottle sleeve and the low-voltage porcelain bottle sleeve.
Further, weave the one end and the transition copper bar of annealed copper line and be connected, and weave the annealed copper line and be connected through the welded mode with winding wire and transition copper bar, the less easy operation of process, easily insulation treatment through weaving the annealed copper line, toughness is better, is convenient for bend to any direction angle, and the commonality is higher, the flexible operation.
Furthermore, the wire fixing frame is supported by laminated wood, is positioned at the upper part of the transformer body, and is used for fixing the braided annealed copper wire and ensuring the insulating property between the braided annealed copper wire and the transformer body.
Furthermore, the transition copper bar is provided with a fixing hole, the lower end of the low-voltage wire guide rod is fixed through the fixing hole in the transition copper bar, and the transition copper bar is installed on a bolt at the tail part of the low-voltage wire guide rod through the fixing hole to form a low-voltage lead of the transformer, so that the electric energy output of the transformer is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that: this novel oil-immersed transformer low pressure lead device has following benefit:
the utility model discloses on set up and woven the annealed copper line, through weaving the easy insulation treatment of annealed copper line, toughness is better, is convenient for bend to any direction angle, and the commonality is higher, and the flexible operation is through weaving the easy insulation treatment of annealed copper line, and toughness is better, is convenient for bend to any direction angle, and the commonality is higher, and the flexible operation, transition copper bar pass through the fixed orifices and install on low-voltage conductor pole afterbody bolt, the transformer electric energy output of being convenient for is led to the low pressure of constituteing the transformer, the utility model discloses the commonality is higher, and the flexible operation, simple to operate reduces transformer manufacturing cost, and economic nature is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic side view of the present invention.
In the figure: 1 transformer body, 2 iron cores, 3 low-voltage lead rods, 4 low-voltage porcelain insulator sleeves, 5 oil tank cover, 6 transition copper bars, 7 woven annealed copper wires, 8 lead fixing frames, 9 winding leads, 10 high-voltage porcelain insulator sleeves and 11 oil level gauges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-2, the present invention provides a technical solution: a novel low-voltage lead device of an oil immersed transformer comprises a transformer body 1 and an oil tank cover 5;
an iron core 2 is arranged in a transformer body 1, a winding lead 9 is arranged on the iron core 2, a braided annealed copper wire 7 is connected on the winding lead 9, the braided annealed copper wire 7 is easy to insulate, has good toughness and high universality, is convenient to bend towards any direction angle, and is flexible to operate, an oil tank cover 5 is positioned right above the transformer body 1, a low-voltage porcelain bottle sleeve 4 is arranged on the front side of the upper surface of the oil tank cover 5, a low-voltage lead wire rod 3 is arranged on the low-voltage porcelain bottle sleeve 4, the lower end of the low-voltage lead wire rod 3 penetrates through the low-voltage porcelain bottle sleeve 4 to the lower part of the oil tank cover 5, a transition copper bar 6 is arranged below the oil tank cover 5, the transition copper bar 6 is arranged on a bolt at the tail part of the low-voltage lead wire rod 3 through a fixing hole to form a low-voltage lead of the transformer, and, the lead fixing frame 8 is positioned at the upper part of the transformer body 1 and used for fixing the braided annealed copper wire 7 and ensuring the insulating property between the braided annealed copper wire 7 and the transformer body 1 through the lead fixing frame 8, and the rear side of the upper surface of the oil tank cover 5 is provided with a high-voltage porcelain insulator sleeve 10;
wherein: the left side at high-pressure vase sleeve pipe 10 and low-voltage vase sleeve pipe 4 middle part is equipped with oil level gaugember 11, the one end of weaving annealed copper line 7 is connected with transition copper bar 6, and weave annealed copper line 7 and winding wire 9 and transition copper bar 6 and be connected through the welded mode, the process is few easy operation, easily insulation treatment through weaving annealed copper line 7, toughness is better, be convenient for bend to any direction angle, the commonality is higher, the flexible operation, be equipped with the fixed orifices on the transition copper bar 6, the lower extreme of low-voltage conductor pole 3 is fixed through the fixed orifices on transition copper bar 6, transition copper bar 6 passes through the fixed orifices and installs on 3 afterbody bolts of low-voltage conductor pole, the transformer electric energy output of being convenient for of the low-voltage lead wire of component transformer, the utility model discloses the commonality is higher, the flexible operation, simple to operate.
When in use: the low-voltage porcelain insulator sleeve 4 is used for fixing the low-voltage wire rod 3 and insulating between the low-voltage porcelain insulator sleeve 4 and an oil tank, the low-voltage wire rod 3 with a stud penetrates through the low-voltage porcelain insulator sleeve 4, the upper portion of the low-voltage wire rod 3 stretches out of an oil tank cover 5 to be used for outputting electric energy and being connected with external electric equipment, the lower portion of the low-voltage wire rod 3 penetrates through the lower portion of the oil tank cover 5, bolts and fixing nuts are arranged at the tail portion of the low-voltage porcelain insulator sleeve, a winding wire 9 of the transformer body 1 is led out of the upper end portion of a winding, the winding wire 9 is welded with one end of a braided soft copper wire 7, a transition copper bar 6 is welded at the other end of the braided soft copper wire 7, a wire fixing frame 8 is arranged on the upper portion of the transformer body and used for fixedly braiding the soft copper wire 7 and guaranteeing insulation between.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel oil immersed transformer low pressure pin device, includes transformer ware body and oil tank case lid, its characterized in that:
an iron core is arranged in the transformer body, a winding wire is arranged on the iron core, a braided soft copper wire is connected onto the winding wire, the oil tank cover is positioned right above the transformer body, a low-voltage porcelain insulator sleeve is arranged on the front side of the upper surface of the oil tank cover, a low-voltage lead rod is arranged on the low-voltage porcelain insulator sleeve, the lower end of the low-voltage lead rod penetrates through the low-voltage porcelain insulator sleeve to the position below the oil tank cover, a transition copper bar is arranged below the oil tank cover, a lead fixing frame is arranged below the transition copper bar, and a high-voltage porcelain insulator sleeve is arranged on the rear side of the upper surface of the;
wherein: and oil level gauges are arranged on the left sides of the middle parts of the high-voltage porcelain bottle sleeve and the low-voltage porcelain bottle sleeve.
2. The novel oil-immersed transformer low-voltage lead device according to claim 1, characterized in that: weave the one end and the transition copper bar connection of annealed copper line, and weave the annealed copper line and be connected through the welded mode with winding wire and transition copper bar.
3. The novel oil-immersed transformer low-voltage lead device according to claim 1, characterized in that: the lead fixing frame is supported by laminated wood and is positioned at the upper part of the transformer body.
4. The novel oil-immersed transformer low-voltage lead device according to claim 1, characterized in that: the low-voltage wire guide rod is characterized in that a fixing hole is formed in the transition copper bar, and the lower end of the low-voltage wire guide rod is fixed through the fixing hole in the transition copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020699243.XU CN212010677U (en) | 2020-04-30 | 2020-04-30 | Novel low-voltage lead device of oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020699243.XU CN212010677U (en) | 2020-04-30 | 2020-04-30 | Novel low-voltage lead device of oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212010677U true CN212010677U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020699243.XU Active CN212010677U (en) | 2020-04-30 | 2020-04-30 | Novel low-voltage lead device of oil immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212010677U (en) |
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2020
- 2020-04-30 CN CN202020699243.XU patent/CN212010677U/en active Active
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