CN209216715U - A kind of four core type ellipsoidal structure transformers of resistance to shorting impact - Google Patents
A kind of four core type ellipsoidal structure transformers of resistance to shorting impact Download PDFInfo
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- CN209216715U CN209216715U CN201920222216.0U CN201920222216U CN209216715U CN 209216715 U CN209216715 U CN 209216715U CN 201920222216 U CN201920222216 U CN 201920222216U CN 209216715 U CN209216715 U CN 209216715U
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Abstract
The utility model proposes a kind of four core type ellipsoidal structure transformers of resistance to shorting impact, it include: four core type oval-shaped iron cores and machine body structure, wherein, machine body structure includes: three groups of coils, lateral briquetting, longitudinal briquetting, iron yoke insulation piece, wherein, three groups of coils are assemblied on four core type oval-shaped iron cores, it is stoppered among every group of coil using circle bamboo stick, it is circular arc outside the inside and high-pressure side of coil, it is separated between adjacent windings using phase partition, lateral briquetting is looped around the outside of iron yoke insulation piece, multiple groups iron yoke partition is equipped in iron yoke insulation piece, multiple groups iron yoke partition is mounted on the centre of longitudinal briquetting, lateral briquetting and longitudinal briquetting are oval structure to push down overhang, coil is prevented to be subjected to displacement.The utility model uses oval coil and oval-shaped iron core close fit, is not susceptible to relative displacement after coil and iron core stretching, and effectively improves the ability that low-voltage coil bears short-circuit impact.
Description
Technical field
The utility model relates to transformer technology field, in particular to a kind of four core type ellipsoidal structures of resistance to shorting impact
Transformer.
Background technique
Traditional transformer device structure is generally divided into circular configuration and two kinds of oblong structure.The transformer of both structures point
The following defects and deficiencies exist:
(1) transformer uses circular configuration, and coil width is circle to section, causes body space utilization rate low, is lost
Height, it is at high cost.
(2) transformer uses oblong structure, and coil width is oblong to section, leads to coil resistance to shorting impact capacity
Difference, coil is easily-deformable after by short-circuit force, is easy to appear accident.If coil is excessively unsmooth, line by oval variation ellipse structure
Circle resistance to shorting impact capacity is poor, and coil is easily-deformable after by short-circuit force, is prone to accidents, and safety is poor.
Utility model content
The purpose of this utility model aims to solve at least one of described technological deficiency.
For this purpose, the purpose of this utility model is that proposing a kind of four core type ellipsoidal structure transformers of resistance to shorting impact.
To achieve the goals above, the embodiments of the present invention provide a kind of four core type ellipse knots of resistance to shorting impact
Structure transformer, comprising: four core type oval-shaped iron cores and machine body structure, wherein the machine body structure includes: three groups of coils, transverse directions
Briquetting, longitudinal briquetting, iron yoke insulation piece, wherein three groups of coils are assemblied on the four core types oval-shaped iron core, every group of institute
It states and is stoppered among coil using circle bamboo stick, be circular arc outside the inside and high-pressure side of the coil, between the adjacent coil
It is separated using phase partition, the transverse direction briquetting is looped around the outside of the iron yoke insulation piece, is equipped in the iron yoke insulation piece
Multiple groups iron yoke partition, the multiple groups iron yoke partition are mounted on the centre of longitudinal briquetting, the transverse direction briquetting and longitudinal briquetting
It is oval structure to push down the overhang, the coil is prevented to be subjected to displacement.
Further, the width of the coil is oval to section.
Further, the centre of the iron core is stoppered using 5 layers of round bamboo stick.
Further, oil guide groove is offered on the lateral briquetting and longitudinal briquetting.
Further, the iron yoke partition includes: web, is separately installed with a pair of of triangle in the upper and lower two sides of the web
Cardboard is symmetrically equipped with two groups of supporting bar components on the web.
Further, supporting bar component described in every group includes: six stays, wherein four stays and described three positioned at outside
The bevel edge of angle cardboard is aligned, two stays of inside and being aligned for the bottom plate of the web.
Further, the both sides of the iron yoke partition are provided with class oval structure, to push down the overhang, prevent institute
Coil is stated to be subjected to displacement.
According to the four core type ellipsoidal structure transformers that the resistance to shorting of the utility model embodiment is impacted, have beneficial below
Effect: transformer uses the body of ellipsoidal structure, between circular configuration and oblong structure, has fill factor height,
The characteristics of good economy performance.And using oval coil and oval-shaped iron core close fit, it is not easy to send out after coil and iron core stretching
Raw relative displacement, and oval coil various places inside is circular arc, is unlikely to deform after by inward pressure, can effectively improve low pressure
The ability of coil receiving short-circuit impact.Due to being everywhere circular arc outside oval coil high-pressure side, coiling is tight in winding process
Close, each circular arc plays restraining function, is unlikely to deform after receiving short-circuit impact.And the arc of the oval coil of the utility model
Structure, high-tension coil outside do not have to another installation pressing device, itself are able to bear short-circuit impact, structure height is good, effectively reduces
Size between body and fuel tank, reduces the dosage of material, at low cost.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the main view according to the four core type oval-shaped iron cores of the utility model embodiment；
Fig. 2 is the A-A cross-sectional view according to the four core type oval-shaped iron cores of the utility model embodiment；
Fig. 3 is the B-B cross-sectional view according to the four core type oval-shaped iron cores of the utility model embodiment；
Fig. 4 is the schematic diagram according to the machine body structure of the transformer of the utility model embodiment；
Fig. 5 is the schematic diagram according to the high and low pressure winding protruding head position of the utility model embodiment；
Fig. 6 is to place schematic diagram according to the core insulation and briquetting of the utility model embodiment；
Fig. 7 is according to the phase partition of the utility model embodiment and the schematic diagram of coil；
Fig. 8 a and Fig. 8 b are the main view and top view according to the lateral briquetting of the utility model embodiment；
Fig. 9 a, Fig. 9 b and Fig. 9 c are main view, top view and the side view according to longitudinal briquetting of the utility model embodiment
Figure；
Figure 10 a and Figure 10 b are the main view and top view according to the iron yoke partition of the utility model embodiment；
Figure 11 is the schematic diagram according to the triangle cardboard of the utility model embodiment；
Figure 12 is to accept ability test wiring diagram according to the transformer short-circuit of the utility model embodiment.
Appended drawing reference:
1- iron yoke；2- stem；3- iron yoke partition；4- transverse direction briquetting；The longitudinal direction 5- briquetting；6, phase partition；7- web；8- support
Item；9- triangle cardboard
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Four core type ellipsoidal structure transformers of the resistance to shorting impact of the utility model embodiment, comprising: four core types are oval
Shape iron core and machine body structure.Wherein, machine body structure includes: three groups of coils, lateral briquetting, longitudinal briquetting, iron yoke insulation piece.
As shown in Figure 1, Figure 2 and Figure 3, three groups of coils are assemblied on four core type oval-shaped iron cores, are used among every group of coil
Circle bamboo stick stoppers, and is circular arc outside the inside and high-pressure side of coil.Wherein, the width of coil is ellipse to section, is closely filled
It fits on oval-shaped iron core.Iron core includes iron yoke 1 and stem 2.Preferably, the centre of iron core is stoppered using 5 layers of round bamboo stick, is prevented
Coil and iron core relative displacement, prevent winding deformation.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, it is separated between adjacent windings using phase partition 6, lateral briquetting 4 is looped around
The outside of 1 insulating part of iron yoke, 1 insulating part of iron yoke is interior to be equipped with multiple groups iron yoke partition 3, and multiple groups iron yoke partition 3 is mounted on longitudinal briquetting 5
Centre.
Specifically, iron yoke partition 3 includes: web 7 as shown in Figure 10 a, Figure 10 b and Figure 11, in the upper and lower two sides of web 7
It is separately installed with a pair of of triangle cardboard, two groups of 8 components of stay are symmetrically installed on web 7.Every group of 8 component of stay include:
Six stays 8, wherein four stays 8 positioned at outside are aligned with the bevel edge of triangle cardboard 9, two stays 8 and web of inside
The alignment of 7 bottom plate.The both sides of the iron yoke partition 3 of the utility model are provided with class oval structure, sufficiently push down end turn, prevent
Only coil upper and lower displacement.
Fig. 8 a and Fig. 8 b are the main view and top view according to the lateral briquetting 4 of the utility model embodiment.Fig. 9 a, Fig. 9 b
With main view, top view and the side view that Fig. 9 c is according to longitudinal briquetting 5 of the utility model embodiment.
With reference to above-mentioned attached drawing, lateral briquetting 4 and longitudinal briquetting 5 are oval structure, effectively push down overhang, prevent
Only upper and lower displacement occurs for coil.In the embodiments of the present invention, oil guide groove is offered on lateral briquetting 4 and longitudinal briquetting 5,
Convenient for the flowing of coil interior insulation liquid, heat-sinking capability is improved.
Figure 12 is to accept ability test wiring diagram according to the transformer short-circuit of the utility model embodiment.Using shown in Figure 12
Route short circuit carried out to four core type ellipsoidal structure transformers of the resistance to shorting of the utility model impact accept ability test,
Test result is as shown in table 1.Wherein, IT is to become in 5000KVA, and 1G and 2G are not isolated from switch, and 1ZD and 2ZD are vacuum circuit breaker
Device, CT are current transformer, and PT1 is voltage transformer, and L is reactor, and T is four core types that the resistance to shorting of the utility model is impacted
Ellipsoidal structure transformer, PT2 voltage transformer, DL716 are 16 channel recorders, and PC is computer.
Table 1
Four core type ellipsoidal structure transformers of the resistance to shorting impact of the utility model embodiment, using four core types ellipse
Structure, coil be everywhere circular arc and it is gentle excessively, inherit the good mechanical strength of circular configuration, be not easy after each position stress
Deformation.The advantages of ellipsoidal structure has both oblong structure " small phase spacing " simultaneously, reduces M0 size, improves the sky of body
Between utilization rate, the cost of product is effectively reduced.
According to the four core type ellipsoidal structure transformers that the resistance to shorting of the utility model embodiment is impacted, have beneficial below
Effect: transformer uses the body of ellipsoidal structure, between circular configuration and oblong structure, has fill factor height,
The characteristics of good economy performance.And using oval coil and oval-shaped iron core close fit, it is not easy to send out after coil and iron core stretching
Raw relative displacement, and oval coil various places inside is circular arc, is unlikely to deform after by inward pressure, can effectively improve low pressure
The ability of coil receiving short-circuit impact.Due to being everywhere circular arc outside oval coil high-pressure side, coiling is tight in winding process
Close, each circular arc plays restraining function, is unlikely to deform after receiving short-circuit impact.And the arc of the oval coil of the utility model
Structure, high-tension coil outside do not have to another installation pressing device, itself are able to bear short-circuit impact, structure height is good, effectively reduces
Size between body and fuel tank, reduces the dosage of material, at low cost.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (7)
1. a kind of four core type ellipsoidal structure transformers of resistance to shorting impact characterized by comprising four core type oval-shaped iron cores
And machine body structure, wherein the machine body structure includes: three groups of coils, lateral briquetting, longitudinal briquetting, iron yoke insulation piece, wherein
Three groups of coils are assemblied on the four core types oval-shaped iron core, are stoppered among coil described in every group using circle bamboo stick, described
It is circular arc outside the inside and high-pressure side of coil, is separated between the adjacent coil using phase partition, the transverse direction briquetting
It is looped around the outside of the iron yoke insulation piece, is equipped with multiple groups iron yoke partition, the multiple groups iron yoke partition in the iron yoke insulation piece
It is mounted on the centre of longitudinal briquetting, the transverse direction briquetting and longitudinal briquetting are oval structure to push down the end of the coil
Portion prevents the coil to be subjected to displacement.
2. four core type ellipsoidal structure transformers of resistance to shorting impact as described in claim 1, which is characterized in that the coil
Width to section be ellipse.
3. four core type ellipsoidal structure transformers of resistance to shorting impact as described in claim 1, which is characterized in that the iron core
Centre stoppered using 5 layers of round bamboo stick.
4. four core type ellipsoidal structure transformers of resistance to shorting impact as described in claim 1, which is characterized in that the transverse direction
Oil guide groove is offered on briquetting and longitudinal briquetting.
5. four core type ellipsoidal structure transformers of resistance to shorting impact as described in claim 1, which is characterized in that the iron yoke
Partition includes: web, is separately installed with a pair of of triangle cardboard in the upper and lower two sides of the web, symmetrical on the web
Two groups of supporting bar components are installed.
6. four core type ellipsoidal structure transformers of resistance to shorting impact as claimed in claim 5, which is characterized in that described in every group
Supporting bar component includes: six stays, wherein four stays positioned at outside are aligned with the bevel edge of the triangle cardboard, inside
Two stays are aligned with the bottom plate of the web.
7. four core type ellipsoidal structure transformers of resistance to shorting impact as described in claim 1, which is characterized in that the iron yoke
The both sides of partition are provided with class oval structure, to push down the overhang, the coil are prevented to be subjected to displacement.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599340A (en) * | 2020-12-17 | 2021-04-02 | 广州市一变电气设备有限公司 | Silicon rubber insulation low-noise transformer with external burst short circuit resistance function |
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2019
- 2019-02-22 CN CN201920222216.0U patent/CN209216715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599340A (en) * | 2020-12-17 | 2021-04-02 | 广州市一变电气设备有限公司 | Silicon rubber insulation low-noise transformer with external burst short circuit resistance function |
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