CN206003614U - A kind of dry-type transformer used for intelligent electric network - Google Patents
A kind of dry-type transformer used for intelligent electric network Download PDFInfo
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- CN206003614U CN206003614U CN201620949822.9U CN201620949822U CN206003614U CN 206003614 U CN206003614 U CN 206003614U CN 201620949822 U CN201620949822 U CN 201620949822U CN 206003614 U CN206003614 U CN 206003614U
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- 238000004804 winding Methods 0.000 claims abstract description 153
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model belongs to transformer technology field, is related to especially a kind of dry-type transformer used for intelligent electric network, includes protective housing, iron core, low high line ball circle；It is characterized in that, on low-voltage coil with protrude from low pressure winding exterior side surface and along low pressure winding exterior side surface first to fourth protuberance constitute, inside low pressure winding, tool holds iron core chamber, and it is the first length that first to fourth protuberance protrudes from the maximum length of low pressure winding outer surface；High-tension coil is by recessing at high pressure winding lateral interior surfaces and constitute along first to fourth symmetrical groove of high pressure winding lateral interior surfaces, have inside high pressure winding and hold low pressure winding chamber, high-tension coil is nested with outside low-voltage coil, and a part for protuberance is inserted in corresponding groove, low pressure winding is to form gap with high pressure winding.The utility model has following main beneficial effect：Rational in infrastructure, simple, be easily assembled to, general and interchangeability is strong, noise is low, service life is longer.
Description
Technical field
The utility model belongs to transformer technology field, especially relates to a kind of dry-type transformer used for intelligent electric network.
Background technology
Dry-type transformer is widely used in local lighting, skyscraper, airport, and the place such as harbour CNC plant equipment, dry type become
Depressor just refers to the transformer that iron core and winding are not immersed in insulating oil.The type of cooling is divided into natural air cooling and forces sky
Air cooling.During natural air cooling, transformer can long-term continuous operation under rated capacity.During forced air cooling, transformer output capacity
Can be greatly improved.Over nearly 20 years, with the development of World Economics, dry change achieves swift and violent development in the whole world, especially exists
In distribution transformer, the ratio that does shared by becoming is more and more big, and according to statistics, in the developed countries such as America and Europe, it has accounted for distribution transforming
40～50%.In China, 50% or so is accounted for.In yield, China from after 1989 second urban network restructuring meeting,
The yield of dry-type transformer has significant growth, from the nineties in 20th century, shows greatly 20% or so speed increase every year,
The total output of 1999 has approached 10,000 MVA, and the total output of 2002 reaches 20,000 MVA, has reached 32,000 MVA within 2004.
With the fast development of intelligent grid, the use demand of dry-type transformer increasingly increases.
In prior art, dry-type transformer is placed insulating barrier between low-voltage coil and high-tension coil to realize two coils
Isolation, but insulating materials is easily aging after overload use, have impact on the life-span of transformer.On the other hand, in prior art, when
When between low-voltage coil and high-tension coil with gap, cushion block is generally adopted, this cushion block can make transformer produce vibrations noise；
Noise pollution is not only caused, and both intervals can be also increased for vibrations, affects the performance of transformer.
Utility model content
In order to solve the above problems, the purpose of this utility model is to disclose a kind of dry-type transformer used for intelligent electric network, and it is
Employ the following technical solutions to realize.
In first embodiment of the present utility model, a kind of dry-type transformer used for intelligent electric network, include in protective housing
Iron core, the low-voltage coil being nested with outside iron core and high-tension coil；Characterized in that, the low-voltage coil by low pressure winding, from
The upwardly extending low-tension bushing in low pressure winding upper surface, from low-tension bushing draw low pressure line bank, protrude from low pressure winding side
Portion's outer surface and along the first symmetrical protuberance of low pressure winding exterior side surface, the second protuberance, the 3rd protuberance, the 4th
Protuberance constitutes, and has and hold iron core chamber inside low pressure winding, and the first protuberance, the second protuberance, the 3rd protuberance, the 4th are protruded
It is the same, referred to as the first length that portion protrudes from the maximum length of low pressure winding outer surface；The high-tension coil is by high voltage winding
Group, from the upwardly extending bushing in high pressure winding upper surface, from bushing draw high-voltage line bank, recess at high voltage winding
Group lateral interior surfaces and along the first symmetrical groove of high pressure winding lateral interior surfaces, the second groove, the 3rd groove, the 4th recessed
Groove constitutes, and has and hold low pressure winding chamber inside high pressure winding, and the first groove, the second groove, the 3rd groove, the 4th groove are recessed at
The maximum length of high pressure winding lateral interior surfaces is the same, referred to as the second length；First length is more than the second length；High-voltage line
Snare is put outside low-voltage coil, and a part for the first protuberance is embedded in the first groove, and a part for the second protuberance is put
Enter in the second groove, a part for the 3rd protuberance is embedded in the 3rd groove, a part for the 4th protuberance is embedded in
In four grooves, low pressure winding is to form gap with high pressure winding.
In second embodiment of the present utility model, a kind of dry-type transformer used for intelligent electric network, include in protective housing
Iron core, the low-voltage coil being nested with outside iron core and high-tension coil；Characterized in that, the low-voltage coil by low pressure winding, from
The upwardly extending low-tension bushing in low pressure winding upper surface, from low-tension bushing draw low pressure line bank, protrude from low pressure winding side
Portion's outer surface and along the first symmetrical protuberance of low pressure winding exterior side surface, the 3rd protuberance constitute, in low pressure winding
Portion have hold iron core chamber, the first protuberance, the 3rd protuberance protrude from the maximum length of low pressure winding outer surface be the same,
Referred to as the first length；The high-tension coil is by high pressure winding, from the upwardly extending bushing in high pressure winding upper surface, from high pressure
Sleeve pipe draw high-voltage line bank, recess at high pressure winding lateral interior surfaces and along high pressure winding lateral interior surfaces distribution first
Groove, the 3rd groove, the 4th groove composition, have inside high pressure winding and hold low pressure winding chamber, the first groove, the 3rd groove, the
It is the same, referred to as the second length that four grooves recess at the maximum length of high pressure winding lateral interior surfaces；First length is more than the
Two length；High-tension coil is nested with outside low-voltage coil, and a part for the first protuberance is embedded in the first groove, and the 3rd protrudes
The part in portion is embedded in the 3rd groove, and low pressure winding is to form gap with high pressure winding；The axis of the first groove, the 3rd
The axis of groove, hold the axis three in low pressure winding chamber in the first plane, the axis of the 3rd groove with hold low pressure winding chamber
Axis forms the second plane, and the first plane is mutually perpendicular to the second plane.
In 3rd embodiment of the present utility model, a kind of dry-type transformer used for intelligent electric network, include in protective housing
Iron core, the low-voltage coil being nested with outside iron core and high-tension coil；Characterized in that, the low-voltage coil by low pressure winding, from
The upwardly extending low-tension bushing in low pressure winding upper surface, from low-tension bushing draw low pressure line bank, protrude from low pressure winding side
Portion's outer surface and along the first symmetrical protuberance of low pressure winding exterior side surface, the 3rd protuberance constitute, in low pressure winding
Portion have hold iron core chamber, the first protuberance, the 3rd protuberance protrude from the maximum length of low pressure winding outer surface be the same,
Referred to as the first length；The high-tension coil is by high pressure winding, from the upwardly extending bushing in high pressure winding upper surface, from high pressure
High-voltage line bank that sleeve pipe is drawn, recess at high pressure winding lateral interior surfaces and symmetrical along high pressure winding lateral interior surfaces
First groove, the 3rd groove composition, have inside high pressure winding and hold low pressure winding chamber, and the first groove, the 3rd groove recess at height
The maximum length of pressure winding lateral interior surfaces is the same, referred to as the second length；First length is more than the second length；High-tension coil
It is nested with outside low-voltage coil, and a part for the first protuberance is embedded in the first groove, a part for the 3rd protuberance is inserted
In the 3rd groove, low pressure winding is to form gap with high pressure winding.
Protuberance described in any of the above-described embodiment is to extend to low pressure winding from the outside of low pressure winding upper surface
The outside of lower surface.
Groove described in any of the above-described embodiment is extended under high pressure winding from the inner side of high pressure winding upper surface
The inner side on surface.
Protuberance described in any of the above-described embodiment can be one section.
Protuberance described in any of the above-described embodiment, is discontinuous.
The utility model has following main beneficial effect：Rational in infrastructure, simple, be easily assembled to, general and interchangeability is strong,
Noise is low, service life is longer.
Description of the drawings
Fig. 1 is the perspective view of the low-voltage coil of the utility model embodiment 1.
The top view that Fig. 2 amplifies for Fig. 1.
Fig. 3 is the perspective view of the high-tension coil of the utility model embodiment 1.
The top view that Fig. 4 amplifies for Fig. 3.
Fig. 5 is iron core, the perspective view of the combination of height coil in the utility model embodiment 1.
Fig. 6 is the perspective view of the high-tension coil of the utility model embodiment 2.
The top view that Fig. 7 amplifies for Fig. 6.
Fig. 8 is iron core, the top view of the combination of height coil in the utility model embodiment 2.
Fig. 9 is the perspective view of the low-voltage coil of the utility model embodiment 3.
Figure 10 is the top view of the high-tension coil of the utility model embodiment 3.
Figure 11 is the perspective view of the low-voltage coil of the utility model embodiment 4.
Figure 12 is iron core, the perspective view of the combination of height coil in the utility model embodiment 5.
Specific embodiment
Embodiment 1
Fig. 1 to Fig. 5 is asked for an interview, a kind of dry-type transformer used for intelligent electric network, include the iron core 3 in protective housing, be nested with
Low-voltage coil 1 and high-tension coil 2 outside iron core；Characterized in that, the low-voltage coil 1 by low pressure winding 11, from low pressure around
The upwardly extending low-tension bushing 14 in group upper surface, the low pressure line bank 15 that draws from low-tension bushing, protrude from low pressure winding sidepiece
Outer surface and along the first symmetrical protuberance 131 of low pressure winding exterior side surface, the second protuberance 132, the 3rd protuberance
133rd, the 4th protuberance 134 constitutes, and has inside low pressure winding and holds iron core chamber 12, the first protuberance, the second protuberance, the 3rd convex
Go out portion, the 4th protuberance to protrude from the maximum length of low pressure winding outer surface is the same, referred to as the first length；The high pressure
Coil 2 is by high pressure winding 21, from the upwardly extending bushing 24 in high pressure winding upper surface, the high-voltage connecting that draws from bushing
Line row 25, recess at high pressure winding lateral interior surfaces and along the first symmetrical groove 231 of high pressure winding lateral interior surfaces, the
Two grooves 232, the 3rd groove 233, the 4th groove 234 constitute, and have and hold low pressure winding chamber 22 inside high pressure winding, and first is recessed
Groove, the second groove, the 3rd groove, the 4th groove recess at the maximum length of high pressure winding lateral interior surfaces be the same, referred to as
Second length；First length is more than the second length；High-tension coil is nested with outside low-voltage coil, and a part for the first protuberance is put
Enter in the first groove, a part for the second protuberance is embedded in the second groove, a part for the 3rd protuberance is embedded in
In three grooves, a part for the 4th protuberance is embedded in the 4th groove, and low pressure winding is to form gap 4 with high pressure winding.
Embodiment 2
Fig. 6 to Fig. 8 is asked for an interview, and referring to figs. 1 to Fig. 5, a kind of dry-type transformer used for intelligent electric network, include positioned at protective housing
In iron core 3, the low-voltage coil 1 being nested with outside iron core and high-tension coil 2；Characterized in that, the low-voltage coil 1 by low pressure around
Group 11, from the upwardly extending low-tension bushing in low pressure winding upper surface, from low-tension bushing draw low pressure line bank, protrude from low pressure
Winding exterior side surface and along the first symmetrical protuberance of low pressure winding exterior side surface, the 3rd protuberance constitute, low pressure
Have inside winding and hold iron core chamber, the first protuberance, the 3rd protuberance protrude from the maximum length of low pressure winding outer surface is
The same, referred to as the first length；The high-tension coil 2 is by high pressure winding 21, from the upwardly extending high pressure in high pressure winding upper surface
Sleeve pipe 24, from bushing draw high-voltage line bank 25, recess at high pressure winding lateral interior surfaces and along high pressure winding sidepiece
First groove 231 of inner surface distribution, the 3rd groove 233, the 4th groove 234 constitute, have inside high pressure winding hold low pressure around
Group chamber 22, the first groove, the 3rd groove, the 4th groove recess at the maximum length of high pressure winding lateral interior surfaces be the same,
Referred to as the second length；First length is more than the second length；High-tension coil is nested with outside low-voltage coil, and of the first protuberance
Divide and be embedded in the first groove, a part for the 3rd protuberance is embedded in the 3rd groove, and low pressure winding with high pressure winding is
Form gap 4；The axis of the first groove, the axis of the 3rd groove, hold the axis three in low pressure winding chamber in the first plane, the
The axis of three grooves forms the second plane with the axis for holding low pressure winding chamber, and the first plane is mutually perpendicular to the second plane.
Embodiment 3
Fig. 9 to Figure 10 is asked for an interview, and referring to figs. 1 to Fig. 5, a kind of dry-type transformer used for intelligent electric network, include positioned at protection
Iron core 3, the low-voltage coil 1 being nested with outside iron core and high-tension coil 2 in case；Characterized in that, the low-voltage coil 1 is by low pressure
Winding 11, from the upwardly extending low-tension bushing 14 in low pressure winding upper surface, from low-tension bushing draw low pressure line bank 15, protrude
In low pressure winding exterior side surface and along the first symmetrical protuberance 131 of low pressure winding exterior side surface, the 3rd protuberance
Composition 133, has inside low pressure winding and holds iron core chamber 12, and the first protuberance, the 3rd protuberance protrude from table on the outside of low pressure winding
The maximum length in face is the same, referred to as the first length；The high-tension coil 2 is by high pressure winding 21, from high pressure winding upper surface
Upwardly extending bushing 24, from bushing draw high-voltage line bank 25, recess at high pressure winding lateral interior surfaces and
Constitute along the first symmetrical groove 231 of high pressure winding lateral interior surfaces, the 3rd groove 233, have inside high pressure winding and hold
Low pressure winding chamber 22, the first groove, the 3rd groove recess at the maximum length of high pressure winding lateral interior surfaces be the same, referred to as
Second length；First length is more than the second length；High-tension coil is nested with outside low-voltage coil, and a part for the first protuberance is put
Enter in the first groove, a part for the 3rd protuberance is embedded in the 3rd groove, low pressure winding is to be formed with high pressure winding
Gap.
Protuberance described in any of the above-described embodiment is to extend to low pressure winding from the outside of low pressure winding upper surface
The outside of lower surface.
Groove described in any of the above-described embodiment is extended under high pressure winding from the inner side of high pressure winding upper surface
The inner side on surface.
Embodiment 4
Figure 11 is asked for an interview, and referring to figs. 1 to Fig. 5, a kind of dry-type transformer used for intelligent electric network, substantially with embodiment 3, different
Part is：3rd protuberance 133 is not the outside for extending to low pressure winding lower surface from the outside of low pressure winding upper surface
, but only one section.
In the same manner, in embodiment 1-3, protuberance can be one section.
In any of the above-described embodiment, low-voltage coil is located in the appearance low pressure winding chamber of high-tension coil, and iron core is
It is placed on holding in iron core chamber for low-voltage coil.
Further, the protuberance described in any of the above-described embodiment, can also be discontinuous, be to assume one section one
Section.
Embodiment 5
Figure 12 is asked for an interview, and referring to figs. 1 to Figure 12, a kind of dry-type transformer used for intelligent electric network, substantially with embodiment 4, no
It is with part：（1）Iron core 3 is not circular but rectangle；（2）Hold iron core chamber nor circular but rectangle；（3）Low-voltage coil
1 profile is not annulus cylindricality and is the sub-elliptical annulated column bodily form；（4）The profile of high-tension coil 2 is not annulus cylindricality and is near
Like oval ring cylinder shape；（5）Also there is between low-voltage coil and high-tension coil gap；（6）3rd protuberance 133 is not circular arc post
Shape but rectangular shaped post；（7）3rd groove is nor circular arc cylindricality but rectangular shaped post.
In any of the above-described embodiment, protuberance is full section, one section, and one section one section all can achieve low-voltage coil and high-voltage line
The relative position of circle is fixed, and ensures there is gap between the two, can save insulating layer material, meanwhile, constrain low, high-voltage line
Circle, it is not necessary in addition, underbed matter, be relatively fixed coil position, reduce vibrations noise, solve that insulating materials is aging to ask
Topic, it is possible to use gap realize air cooling or air blast cooling but, realize larger overload capacity.
The utility model have rational in infrastructure, simple, be easily assembled to, general and interchangeability is strong, noise is low, there is no high pressure
Heat ageing problem between coil and low-voltage coil, the advantages of service life is longer.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, every
The equivalent structure that is made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.
Claims (6)
1. a kind of dry-type transformer used for intelligent electric network, includes the iron core in protective housing, the low-voltage line being nested with outside iron core
Circle and high-tension coil；Characterized in that, the low-voltage coil is by low pressure winding, from the upwardly extending low pressure in low pressure winding upper surface
Sleeve pipe, from low-tension bushing draw low pressure line bank, protrude from low pressure winding exterior side surface and along low pressure winding sidepiece appearance
The first symmetrical protuberance of face, the second protuberance, the 3rd protuberance, the 4th protuberance composition, have inside low pressure winding
Hold iron core chamber, the first protuberance, the second protuberance, the 3rd protuberance, the 4th protuberance protrude from low pressure winding outer surface
Maximum length is the same, referred to as the first length；The high-tension coil is by high pressure winding, upwardly extend from high pressure winding upper surface
Bushing, from bushing draw high-voltage line bank, recess at high pressure winding lateral interior surfaces and along high pressure winding side
The first symmetrical groove of portion's inner surface, the second groove, the 3rd groove, the 4th groove composition, have inside high pressure winding and hold
Low pressure winding chamber, the first groove, the second groove, the 3rd groove, the 4th groove recess at the maximum of high pressure winding lateral interior surfaces
Length is the same, referred to as the second length；First length is more than the second length；High-tension coil is nested with outside low-voltage coil, and the
A part for one protuberance is embedded in the first groove, and a part for the second protuberance is embedded in the second groove, and the 3rd protrudes
The part in portion is embedded in the 3rd groove, and a part for the 4th protuberance is embedded in the 4th groove, low pressure winding and high pressure
Winding is to form gap.
2. a kind of dry-type transformer used for intelligent electric network, includes the iron core in protective housing, the low-voltage line being nested with outside iron core
Circle and high-tension coil；Characterized in that, the low-voltage coil is by low pressure winding, from the upwardly extending low pressure in low pressure winding upper surface
Sleeve pipe, from low-tension bushing draw low pressure line bank, protrude from low pressure winding exterior side surface and along low pressure winding sidepiece appearance
The first symmetrical protuberance of face, the 3rd protuberance composition, have inside low pressure winding and hold iron core chamber, the first protuberance, the
It is the same, referred to as the first length that three protuberances protrude from the maximum length of low pressure winding outer surface；The high-tension coil by
High pressure winding, from the upwardly extending bushing in high pressure winding upper surface, from bushing draw high-voltage line bank, recess at
High pressure winding lateral interior surfaces and the first groove along the distribution of high pressure winding lateral interior surfaces, the 3rd groove, the 4th groove composition,
Have inside high pressure winding and hold low pressure winding chamber, the first groove, the 3rd groove, the 4th groove recess at table in high pressure winding sidepiece
The maximum length in face is the same, referred to as the second length；First length is more than the second length；High-tension coil is nested with low-voltage coil
Outward, and the part of the first protuberance is embedded in the first groove, a part for the 3rd protuberance is embedded in the 3rd groove, low
Pressure winding is to form gap with high pressure winding；The axis of the first groove, the axis of the 3rd groove, the axis in appearance low pressure winding chamber
In the first plane, the axis of the 3rd groove forms the second plane, the first plane and the with the axis for holding low pressure winding chamber to three
Two planes are mutually perpendicular to.
3. the dry-type transformer a kind of used for intelligent electric network according to claim 1 or claim 2, it is characterised in that described
First protuberance is the outside for extending to low pressure winding lower surface from the outside of low pressure winding upper surface.
4. the dry-type transformer a kind of used for intelligent electric network according to claim 1 or claim 2, it is characterised in that described
3rd protuberance is the outside for extending to low pressure winding lower surface from the outside of low pressure winding upper surface.
5. the dry-type transformer a kind of used for intelligent electric network according to claim 1 or claim 2, it is characterised in that described
First groove is the inner side for extending to high pressure winding lower surface from the inner side of high pressure winding upper surface.
6. the dry-type transformer a kind of used for intelligent electric network according to claim 1 or claim 2, it is characterised in that described
3rd groove is the inner side for extending to high pressure winding lower surface from the inner side of high pressure winding upper surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620551430.7 | 2016-06-09 | ||
| CN2016205514307 | 2016-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003614U true CN206003614U (en) | 2017-03-08 |
Family
ID=58197356
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620950138.2U Expired - Fee Related CN206098108U (en) | 2016-06-09 | 2016-06-09 | Dry -type transformer for smart power grids |
| CN201620949822.9U Expired - Fee Related CN206003614U (en) | 2016-06-09 | 2016-08-27 | A kind of dry-type transformer used for intelligent electric network |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620950138.2U Expired - Fee Related CN206098108U (en) | 2016-06-09 | 2016-06-09 | Dry -type transformer for smart power grids |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN206098108U (en) |
-
2016
- 2016-06-09 CN CN201620950138.2U patent/CN206098108U/en not_active Expired - Fee Related
- 2016-08-27 CN CN201620949822.9U patent/CN206003614U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN206098108U (en) | 2017-04-12 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |