CN208256408U - Transformer and its transformer-cabinet - Google Patents
Transformer and its transformer-cabinet Download PDFInfo
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- CN208256408U CN208256408U CN201820792224.4U CN201820792224U CN208256408U CN 208256408 U CN208256408 U CN 208256408U CN 201820792224 U CN201820792224 U CN 201820792224U CN 208256408 U CN208256408 U CN 208256408U
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- voltage line
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- line exit
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Abstract
The utility model provides transformer and its transformer-cabinet, belong to technical field of transformation equipment, transformer includes cabinet, cabinet is equipped with the high-voltage line exit for connecting with high-voltage line and the low-voltage line exit for connecting with low-voltage line, the high-voltage line exit is arranged on the top plate of cabinet, and the low-voltage line exit is arranged on the side plate of cabinet.By being arranged high-tension cable lead-out wire above cabinet, low-voltage line exit is arranged in cabinet side, guarantee the safe distance of low-voltage line exit and high-voltage line exit, ensure the safe operation of transformer, and the connection for facilitating low-voltage line exit Yu other electrical equipments solves the problems, such as that transformer station high-voltage side bus is unsafe.
Description
Technical field
The utility model relates to transformer and its transformer-cabinets.
Background technique
Transformer is the ac voltage regulator for changing input voltage and output voltage using electromagnetic induction principle, main
It to include dry-type transformer and two kinds of oil-immersed transformer.Wherein, oil-immersed transformer due to good insulation performance it is extensive
For places such as local lighting, residential area, industry manufactures.
Currently, being built in equipment power supply system in iron, work-yard narrow limitation, environmental protection complicated and changeable for operating condition
It is required that stringent, safety in operation etc. requires, it is desirable that transformer be related to and make it is bigger than traditional transformer difficulty, but if
Equipment power supply system is built using above-mentioned three-phase transformer in iron, and the installation of transformer and switchgear distribution system can be made empty
Between it is excessive, cannot apply in narrow working environment.
The utility model patent that Authorization Notice No. is CN205282237U, authorized announcement date is 2016.06.01 discloses one
Kind column-type transformer, including fuel tank, fuel tank one side are equipped with for accessing the first sleeve of high-voltage line and for picking out low pressure
Second casing of line, wherein fuel tank constitutes cabinet, and first sleeve constitutes bushing, and the second casing constitutes low-tension bushing, passes through
The side that fuel tank is arranged in first sleeve and the second casing is reduced into transformer height and occupied area, still, first sleeve and
Safe distance between second casing is too small, is unfavorable for the safe operation of transformer.
Utility model content
The purpose of this utility model is to provide a kind of transformers, dangerous to solve transformer station high-voltage side bus in the prior art
The problem of；In addition, the purpose of this utility model, which also resides in, provides a kind of transformer-cabinet.
To achieve the above object, the technical solution of the transformer of the utility model is:
Transformer includes cabinet, and cabinet is equipped with the high-voltage line exit for connecting with high-voltage line and is used for and low-voltage line
The low-voltage line exit of connection, the high-voltage line exit are arranged on the top plate of cabinet, and the low-voltage line exit setting exists
On the side plate of cabinet.
The technical effect of the utility model is: low-voltage line is drawn by being arranged high-tension cable lead-out wire above cabinet
End setting guarantees the safe distance of low-voltage line exit and high-voltage line exit in cabinet side, it is ensured that the safety fortune of transformer
Row, and facilitate the connection of low-voltage line exit Yu other electrical equipments, solve the problems, such as that transformer station high-voltage side bus is unsafe.
Further, in order to further increase the safety of transformer, the cabinet is rectangular box, and the high-voltage line draws
There are three outlet is set, three high-voltage line exits are triangularly arranged, and improve the safe distance between high-voltage line exit, and
And it avoids high-voltage line exit from being arranged in rows and improves high-voltage line exit along the installation dimension of transformer length direction.
Further, in order to facilitate the arrangement of route in cabinet, the high-voltage line exit is arranged close to the winding of transformer
Wherein side is arranged on column direction, and low-voltage line exit other side on the coils arrangement direction of transformer is arranged, and keeps away
Exempt from the interference in cabinet between route.
Further, in order to reduce the installation space of high-voltage line exit, the casing of the high-voltage line exit is casing
Seat, high-voltage line exit facilitate installation high-voltgae pothead using casing holder structure, while between the live part of casing holder structure
Non-air insulation, makes the insulation distance of the end of installation can be set to zero, reduces the installation space of high-voltage line exit.
The technical solution of the transformer-cabinet of the utility model is:
Transformer-cabinet, the cabinet are equipped with high-voltage line exit for connecting with high-voltage line and are used for and low-voltage line
The low-voltage line exit of connection, the high-voltage line exit are arranged on the top plate of cabinet, and the low-voltage line exit setting exists
On the side plate of cabinet.
The technical effect of the utility model is: low-voltage line is drawn by being arranged high-tension cable lead-out wire above cabinet
End setting guarantees the safe distance of low-voltage line exit and high-voltage line exit in cabinet side, it is ensured that the safety fortune of transformer
Row, and facilitate the connection of low-voltage line exit Yu other electrical equipments, solve the problems, such as that transformer station high-voltage side bus is unsafe.
Further, in order to further increase the safety of transformer, the cabinet is rectangular box, and the high-voltage line draws
There are three outlet is set, three high-voltage line exits are triangularly arranged, and improve the safe distance between high-voltage line exit, and
And it avoids high-voltage line exit from being arranged in rows and improves high-voltage line exit along the installation dimension of transformer length direction.
Further, in order to facilitate the arrangement of route in cabinet, the high-voltage line exit be used for close to transformer around
Wherein side is arranged in group orientation, and the low-voltage line exit is used for the other side on the coils arrangement direction of transformer
Setting, avoids the interference in cabinet between route.
Further, in order to reduce the installation space of high-voltage line exit, the casing of the high-voltage line exit is casing
Seat, high-voltage line exit facilitate installation high-voltgae pothead using casing holder structure, while between the live part of casing holder structure
Non-air insulation, makes the insulation distance of the end of installation can be set to zero, reduces the installation space of high-voltage line exit.
Detailed description of the invention
Fig. 1 is the main view of the specific embodiment 1 of the transformer of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the main view of the internal structure of the specific embodiment 1 of the transformer of the utility model；
Fig. 4 is the left view of the internal structure of the specific embodiment 1 of the transformer of the utility model；
In figure: 1, cabinet；2, low-voltage line exit；3, high-voltage line exit；4, cooling fin；5, multi-function protector；6,
Low pressure winding head end；7, winding；8, low pressure winding tail end；9, outlet wire of low voltage winding copper bar；10, low pressure winding draws copper bar.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the transformer of the utility model, as shown in Figures 1 to 4, transformer include by box roof,
The cabinet 1 in rectangle that box side and box baseplate surround, cabinet 1 is interior equipped with iron core and the winding 7 being wound around on iron core, originally
In embodiment, winding 7 is three-phase windings, and box roof is equipped with high-voltage line exit 3, and box side is drawn equipped with low-voltage line
End 2, it is ensured that the safe distance between high-voltage line exit 3 and low-voltage line exit 2 guarantees the safe operation of transformer.This reality
It applies in example, high-voltage line exit 3 uses casing holder structure, and axonia end is installed in the end of high-voltage line exit 3, and high
The distribution triangular in shape of crimping exit 3 is reducing high-voltage line exit 3 along the orientation of transformer length direction, that is, winding 7
On installation dimension while, guarantee the safe distance between each high-voltage line exit 3.Low-voltage line exit 2 uses dry type
Epoxy resin bushing outlet form, low-voltage line exit 2 includes four, wherein three corresponding with three-phase low-voltage cable respectively set
It sets, another is the zero phase line exit being grounded for low pressure winding, and four low-voltage line exits 2 are arranged at same case
On the plate of side, it is fixed with cooling fin 4 on its excess-three block box side of cabinet 1, guarantees the good heat radiating of cabinet 1.Certainly, at it
In his embodiment, winding 7 can be single-phase, two-phase, the winding of four equal any numbers of phases；For the transformation of different winding configurations
The quantity of device, high-voltage line exit 3 and low-voltage line exit 2 can be any amounts such as two, four；The shape of cabinet 1
It can not be rectangle, can be the arbitrary shapes such as triangle, diamond shape；The arrangement form of high-voltage line exit 3 can also be along transformation
The length direction lateral separation of device arranges.
In the present embodiment, in order to facilitate the arrangement of route in cabinet 1, winding 7 row of the high-voltage line exit 3 close to transformer
Wherein side is arranged on column direction, and the other side in 7 orientation of winding of transformer of low-voltage line exit 2 is arranged, and makes
High-voltage line exit 3 and low-voltage line exit 2 are spaced apart in normal orientation, avoid the high-voltage leading-out wire and low pressure in cabinet 1
Installation region between lead-out wire intersects, and influences the safety of transformer.Certainly, in other embodiments, high-voltage line draws
The same side in 7 orientation of winding also can be set in outlet 3 and low-voltage line exit 2；Low-voltage line exit 2 can also be set
It sets on the side plate of the cabinet 1 at the both ends of the orientation along winding 7.
In order to improve the insulation performance and heat dissipation performance of the transformer, selected transformer is liquid immersion type in the present embodiment
Transformer, cabinet 1 is interior to be filled with insulating oil, guarantees the safe operation of transformer.Certainly, in other embodiments, transformer
It can be dry-type transformer.
In the present embodiment, in order to compress the thickness of the transformer, a phase low pressure winding, b phase low pressure winding are low with c phase
The head end and tail end for pressing winding arrange up and down, is equipped with outlet wire of low voltage winding copper bar 9 below winding 7, low pressure winding tail end 8 with it is low
It presses winding outlet copper bar 9 to be conductively connected, low pressure is equipped between the zero phase line and outlet wire of low voltage winding copper bar 9 of low-voltage line exit 2
Winding draws copper bar 10, is conductively connected by the zero phase line exit that low pressure winding draws copper bar 10 and low-voltage line exit 2, excellent
The space layout of transformer low voltage winding outlet is changed.It certainly, in other embodiments, can also for horizontally disposed winding 7
Low pressure winding head end 6 and low pressure winding tail end 8 to be arranged in the left and right sides of winding 7, outlet wire of low voltage winding copper bar 9 can also be with
The left or right side of winding 7 is set.
In the present embodiment, transformer low voltage winding uses Foil winding, the overload capacity of winding 7 is improved, certainly at other
It may be Helical winding in embodiment, and be provided with multi-function protector 5 on cabinet 1, multi-function protector 5 is light watt
This alarm, grave gas excision, pressure release, high temperature alarm, overtemperature trips, oil level is shown, oiling, repairing, light and heavy gas one
The protective device of body avoid the need for the case where components such as traditional single gas relay, temperature controller, oil level gauge are installed respectively,
Simplify the aperture of transformer-cabinet 1, the convenient monitoring to running state of transformer reduces the generation of accident.
The specific embodiment of the transformer-cabinet of the utility model, the specific embodiment 1 with the transformer of the utility model
Described in cabinet it is identical, repeat no more.
Claims (8)
1. transformer, including cabinet, cabinet is equipped with the high-voltage line exit for connecting with high-voltage line and is used for and low-voltage line
The low-voltage line exit of connection, it is characterised in that: the high-voltage line exit is arranged on the top plate of cabinet, and the low-voltage line draws
Outlet is arranged on the side plate of cabinet.
2. transformer according to claim 1, it is characterised in that: the cabinet is rectangular box, and the high-voltage line is drawn
There are three end is set, three high-voltage line exits are triangularly arranged.
3. transformer according to claim 2, it is characterised in that: the high-voltage line exit is arranged close to the winding of transformer
Wherein side is arranged on column direction, and low-voltage line exit other side on the coils arrangement direction of transformer is arranged.
4. transformer according to claim 1 or 2 or 3, it is characterised in that: the casing of the high-voltage line exit is casing
Seat.
5. transformer-cabinet, the cabinet is equipped with the high-voltage line exit for connecting with high-voltage line and is used to connect with low-voltage line
The low-voltage line exit connect, it is characterised in that: the high-voltage line exit is arranged on the top plate of cabinet, and the low-voltage line is drawn
End is arranged on the side plate of cabinet.
6. transformer-cabinet according to claim 5, it is characterised in that: the cabinet is rectangular box, the high-voltage line
There are three exit is set, three high-voltage line exits are triangularly arranged.
7. transformer-cabinet according to claim 6, it is characterised in that: the high-voltage line exit is used for close to transformer
Coils arrangement direction on wherein side be arranged, the low-voltage line exit is used for another on the coils arrangement direction of transformer
Side setting.
8. according to transformer-cabinet described in claim 5 or 6 or 7, it is characterised in that: the casing of the high-voltage line exit is
Casing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792224.4U CN208256408U (en) | 2018-05-25 | 2018-05-25 | Transformer and its transformer-cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792224.4U CN208256408U (en) | 2018-05-25 | 2018-05-25 | Transformer and its transformer-cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256408U true CN208256408U (en) | 2018-12-18 |
Family
ID=64651301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820792224.4U Active CN208256408U (en) | 2018-05-25 | 2018-05-25 | Transformer and its transformer-cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597752A (en) * | 2018-05-25 | 2018-09-28 | 河南森源电气股份有限公司 | A kind of transformer and its transformer-cabinet |
-
2018
- 2018-05-25 CN CN201820792224.4U patent/CN208256408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597752A (en) * | 2018-05-25 | 2018-09-28 | 河南森源电气股份有限公司 | A kind of transformer and its transformer-cabinet |
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