CN208690070U - A kind of subway three-dimensional coiled core dry-type - Google Patents
A kind of subway three-dimensional coiled core dry-type Download PDFInfo
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- CN208690070U CN208690070U CN201820823675.XU CN201820823675U CN208690070U CN 208690070 U CN208690070 U CN 208690070U CN 201820823675 U CN201820823675 U CN 201820823675U CN 208690070 U CN208690070 U CN 208690070U
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Abstract
A kind of subway three-dimensional coiled core dry-type provided by the utility model, including volume iron core and the pitch of the laps winding being wound on volume iron core, coil windings include the high-voltage winding and low pressure winding of coaxial coiling, high-voltage winding is traditionally arranged in the inside of low pressure winding by breaking through, so that low pressure winding is convenient for the outside of transformer, safe distance on the outside of entire transformer substantially reduces, reduce safety and 50% or more distance of maintenance, so as to keep the design in substation facilities room more compact and economical, while being also beneficial to reduce the generation of safety accident.
Description
Technical field
The utility model relates to electrical equipment technical fields, and in particular to a kind of subway three-dimensional winding iron core dry type transformation
Device.
Background technique
Currently, gradually decreasing with building site, the requirement for architectural design is higher and higher.Especially subway power transformation
Institute's equipment room, because of cost and construction requirement, design size control in substation facilities room requires to improve, matching in substation facilities room
Electric equipment also tends to compact setting, and also needs compact control for the size of controller switching equipment.However, for substation facilities room
For overall dimensions, the amplitude of controller switching equipment size reduction is very limited, and how electrical safety distance, which reduces, will become new class
Topic.According to the requirement of standard GB/T 50060-2008, it is set to non-housing dry-type transformer within doors, outer profile and surrounding
The clear distance of wall is no less than 600mm, and clear distance of the distribution transformer away from wall is not less than 800mm to engineering in practice, that is, considers electrical peace
Full problem, the design of substation facilities room need at least reserve 3 square metres of safety and space for maintenance.
However, current most dry-type transformers on the market are all designed to low pressure winding close to iron core in inside,
On the outside, safe distance requirement in high-pressure side is larger, and safety need to be paid close attention to, this directly affects power transformation for high-voltage winding (35kV)
The overall dimensions of institute's equipment room design.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of subway three-dimensional winding iron core dry type
Transformer, needed for safe distance be less than existing transformer, so as to further reduce the size in substation facilities room.
The utility model be reach its purpose, the technical solution adopted is as follows:
A kind of subway three-dimensional coiled core dry-type, including volume iron core and the coil that is wound on the volume iron core around
Group, the coil windings include the high-voltage winding and low pressure winding of coaxial coiling, and the high-voltage winding is in the low pressure winding
Inside.
Further, it is provided with the first Insulating frame between the high-voltage winding and the volume iron core, high voltage winding can be reduced
The distance between group and volume iron core, structure is more compact, reduces the size of equipment.
Further, the second Insulating frame is provided between the high-voltage winding and the low pressure winding, so that high voltage winding
Group and low pressure winding are more compact, reduce the overall dimensions of equipment.
Further, the conducting wire of the high-voltage winding is obliquely installed relative to horizontal line, so that dust is not easy to be accumulated in
In low pressure winding, conducive to the exclusion of dust, and then the heat dissipation effect of transformer is improved.
Further, the angle for the angle that the conducting wire Yu horizontal line of the high-voltage winding are formed is 3~8 degree.
It further, further include upper frame and lower frame for clamping the coil windings, the upper ledge is set up in institute
It states above coil windings, the lower frame is set to below the pitch of the laps winding.
Further, the upper frame includes long steel plate and short steel plate, and the long steel plate and the short steel plate interval are spliced
At hexagonal structure, the lower frame includes long steel plate and short steel plate, and the long steel plate and the short steel plate interval are spliced into six
Side shape structure.
Further, further include insulated support, the insulated support be respectively arranged on the coil windings and it is described on
Between frame, between the coil windings and the lower frame.
Compared with the existing technology, the utility model has following advantageous effects:
By above structure, subway described in the utility model is with three-dimensional winding iron core formula transformer by setting high-voltage winding
It sets in the inside of low pressure winding, so that low pressure winding is located at the outside of transformer, safety required for making on the outside of entire transformer
Distance substantially reduces, and minimum safe distance 800mm compared with the prior art, the distance of transformer surrounding respectively reduces 500mm
More than, reduce safety and 50% or more distance of maintenance, to keep the design in substation facilities room more compact and economical, simultaneously
It is also beneficial to reduce the generation of safety accident.The safe distance as needed for three-dimensional winding iron core formula transformer becomes smaller, so that subway is used
Three-dimensional winding iron core formula transformer device structure is compact, advantageously reduces the occupied area of equipment.Meanwhile the conducting wire of low pressure winding relative to
Horizontal line is obliquely installed, and is conducive to the removing of dust accumulation, improves radiating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of subway three-dimensional coiled core dry-type described in the utility model.
Wherein:
1-volume iron core；2-high-voltage windings；3-low pressure windings；4-the first Insulating frame；5-the second Insulating frame；6—
Upper frame；7-lower frames；8-insulated supports.
Specific embodiment
Many details are explained in the following description in order to fully understand the utility model.But this is practical new
Type can be implemented with the other modes for being much different from this description, and those skilled in the art can be without prejudice to the utility model
Similar popularization is done in the case where intension, therefore the utility model is not limited by the specific embodiments disclosed below.
Embodiment 1
As shown in fig.1, a kind of subway three-dimensional coiled core dry-type described in the utility model, including volume iron core
1 and be wound on volume iron core 1 on coil windings, coil windings include the high-voltage winding 2 and low pressure winding 3 of coaxial coiling, high pressure
Winding 2 is located at the inside of low pressure winding 3.It, will be low by changing the spatial position arrangement of conventional high-tension winding 2 and low pressure winding 3
Pressure winding 3 is located at the outermost of transformer, and the safe distance on the outside of transformer substantially reduces, and the distance of transformer surrounding respectively reduces
500mm or more, to achieve the purpose that reduce substation facilities room size, moreover, being also beneficial to reduce the generation of safety accident.
It is equipped with the first Insulating frame 4 between high-voltage winding 2 and volume iron core 1, is equipped between high-voltage winding 2 and low pressure winding 3
Second Insulating frame 5.By the way that Insulating frame is arranged, between high-voltage winding and the spacing, high-voltage winding and low pressure winding of rolling up iron core
Away from being reduced, to keep the overall structure of transformer more compact, reduce the size of equipment.
The conducting wire of high-voltage winding 2 is obliquely installed relative to horizontal line, due to air in gravity and substation facilities room
Circulation so that dust is not easy to be accumulated in high-voltage winding 2, the heat of transformer is more easier to scatter and disappear, so improve transformation
The heat dissipation effect of device.Specifically, it is contemplated that the convenience and the guarantee quality of production of production technology, the conducting wire and water of high-voltage winding 2
The angle for the angle that horizontal line is formed is set as 3~8 degree, and best angle is 5 degree.
Transformer further includes the upper frame 6 and lower frame 7 for clamping coil windings, and upper frame 6 and lower frame 7 are
The hexagonal structure being spliced including long steel plate and short steel plate interval.Wherein, upper frame 6 is set to the top of coil windings, under
Frame 7 is set to the lower section of coil windings.Short circuit occurs for transformer in order to prevent, between coil windings and upper frame 6, coil windings
Insulated support 8 is equipped between lower frame 7.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail referring to embodiment, for those skilled in the art, according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes, but within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (8)
1. a kind of subway three-dimensional coiled core dry-type, including volume iron core and the coil being wound on the volume iron core around
Group, it is characterised in that: the coil windings include the high-voltage winding and low pressure winding of coaxial coiling, and the high-voltage winding is described
The inside of low pressure winding.
2. subway three-dimensional coiled core dry-type according to claim 1, it is characterised in that: the high-voltage winding and
The first Insulating frame is provided between the volume iron core.
3. subway three-dimensional coiled core dry-type according to claim 2, it is characterised in that: the high-voltage winding and
The second Insulating frame is provided between the low pressure winding.
4. subway three-dimensional coiled core dry-type according to claim 1-3, it is characterised in that: the height
The conducting wire of pressure winding is obliquely installed relative to horizontal line.
5. subway three-dimensional coiled core dry-type according to claim 4, it is characterised in that: the high-voltage winding
The angle for the angle that conducting wire and horizontal line are formed is 3~8 degree.
6. subway three-dimensional coiled core dry-type according to claim 1-3, it is characterised in that: further include
For clamping the upper frame and lower frame of the coil windings, the upper ledge is set up in above the coil windings, the lower frame
It is set up in below the coil windings.
7. subway three-dimensional coiled core dry-type according to claim 6, it is characterised in that:
The upper frame includes long steel plate and short steel plate, and the long steel plate and the short steel plate interval are spliced into hexagonal structure,
The lower frame includes long steel plate and short steel plate, and the long steel plate and the short steel plate interval are spliced into hexagonal structure.
8. subway three-dimensional coiled core dry-type according to claim 7, it is characterised in that: further include insulating supporting
Part, the insulated support is respectively arranged between the coil windings and the upper frame, the coil windings and the lower frame
Between frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823675.XU CN208690070U (en) | 2018-05-30 | 2018-05-30 | A kind of subway three-dimensional coiled core dry-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823675.XU CN208690070U (en) | 2018-05-30 | 2018-05-30 | A kind of subway three-dimensional coiled core dry-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690070U true CN208690070U (en) | 2019-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820823675.XU Active CN208690070U (en) | 2018-05-30 | 2018-05-30 | A kind of subway three-dimensional coiled core dry-type |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565099A (en) * | 2018-05-30 | 2018-09-21 | 广州地铁设计研究院有限公司 | A kind of subway three-dimensional wound core dry type transformer |
-
2018
- 2018-05-30 CN CN201820823675.XU patent/CN208690070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565099A (en) * | 2018-05-30 | 2018-09-21 | 广州地铁设计研究院有限公司 | A kind of subway three-dimensional wound core dry type transformer |
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