CN206312720U - A kind of novel low-voltage outside line coil structures - Google Patents
A kind of novel low-voltage outside line coil structures Download PDFInfo
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- CN206312720U CN206312720U CN201621443848.2U CN201621443848U CN206312720U CN 206312720 U CN206312720 U CN 206312720U CN 201621443848 U CN201621443848 U CN 201621443848U CN 206312720 U CN206312720 U CN 206312720U
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Abstract
The utility model discloses a kind of novel low-voltage outside line coil structures, including paper web, inner bracing strip, line cake and outer stay, inner bracing strip is fixedly installed on paper web inner side, outer stay is oppositely arranged with inner bracing strip, and coil is set between inner bracing strip and outer stay, on the online cake of coil winding, the utility model changes traditional coil turn and chooses mode with whole circle or 0.5 circle, realizes the selection mode of 0.75 circle；High-power transformer low-voltage coil cake number On The Choice is solved, spiral exterior loop anti-short circuit capability deficiency problem is solved, while improve product reliability, the economy of product is also improved.
Description
Technical field
The utility model is related to low-voltage exterior loop technical field, specially a kind of novel low-voltage outside line coil structures.
Background technology
In power system, we complete biography of the electric energy between power plant to user using various types of transformers
It is defeated.With developing rapidly for power equipment, electric power proportion in the Working Life of socio-economic development and people is also more next
It is bigger.With the increase of need for electricity, the capacity of transformer also does bigger and bigger therewith.Development and people's life water with society
Flat raising, requirements at the higher level are proposed to power supply quality.Short trouble as transformer fault important component, and often
The destruction for causing is huge, and industry increasingly pays close attention to anti-short circuit capability and the corrective measure of research transformer.It is quick with industry
Development, increasing special transformer also obtains more applications such as short-circuit test transformer.The low-voltage profile coil number of turn
Few, electric current is big, and during using single coil configuration, line gauge width is big, and eddy-current loss is big caused by end cross leakage field, both increased product
The loss of product also causes end temperature rise of hot spot too high；The coil cake number of double helix is excessive, and line gauge width is too small, causes line cake axial direction
Bending strength is not enough, the increase of the oil duct quantity that line cake quantity increase causes, and reduces the economy of coil, and spiral outside line
Circle has that width is not enough to anti-short circuit capability.The selection of loop construction pattern has turned into industry difficult point.
Utility model content
The purpose of this utility model is to provide a kind of novel low-voltage outside line coil structures, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of novel low-voltage outside line coil structures, bag
Paper web, inner bracing strip, line cake and outer stay are included, the inner bracing strip is fixedly installed on paper web inner side, the outer stay and the inner support
Bar is oppositely arranged, and coil is set between the inner bracing strip and the outer stay, on the online cake of coil winding；Also include the
One parallel conducting wire, the second parallel conducting wire, the 3rd parallel conducting wire, the 4th parallel conducting wire, first parallel conducting wire, described second are simultaneously
Connection wire circle of coiling 3 in cake 2, the 3rd parallel conducting wire, the 4th parallel conducting wire circle of coiling 3 in 2 cakes；Described first
Parallel conducting wire, second parallel conducting wire are axially in parallel with the 3rd parallel conducting wire, the 4th parallel conducting wire, and first parallel connection is led
Line, second parallel conducting wire, the 3rd parallel conducting wire, the 4th parallel conducting wire width are to parallel connection.
Preferably, the coil is divided into half-coil and lower half-coil, and the upper half-coil is provided with the 3rd outlet and the 4th
Outlet；The lower half-coil is provided with the 1st outlet and the 2nd outlet, the upper half-coil the 4th outlet and the outlet of lower half-coil the 1st
Parallel connection, the upper half-coil the 3rd outlet goes out line parallel with lower half-coil the 2nd.
Compared with prior art, the beneficial effects of the utility model are：The utility model simple structure, changes traditional
Coil turn chooses mode with whole circle or 0.5 circle, realizes the selection mode of 0.75 circle；Solve high-power transformer low-voltage coil
Cake number On The Choice, solves spiral exterior loop anti-short circuit capability deficiency problem, while improve product reliability, also carries
The economy of product high.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure：1st, paper web；2nd, inner bracing strip；3rd, outer stay；4th, the first parallel conducting wire；5th, the second parallel conducting wire；6th, the 3rd simultaneously
Connection wire；7th, the 4th parallel conducting wire；8th, upper half-coil；9th, lower half-coil.
Roman character in accompanying drawing represents the numbering of different lines.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, the utility model provides a kind of technical scheme：A kind of novel low-voltage outside line coil structures, including paper
Cylinder 1, inner bracing strip 2, line cake and outer stay 3, inner bracing strip 2 are fixedly installed on the inner side of paper web 1, and outer stay 3 is relative with inner bracing strip 2 to be set
Put, and coil is set between the inner bracing strip 2 and outer stay 3, on the online cake of coil winding；Also include the first parallel conducting wire 4, the
Two parallel conducting wires 5, the 3rd parallel conducting wire 6, the 4th parallel conducting wire 7, the first parallel conducting wire 4, the second parallel conducting wire 5 in the cake 2 around
Make 3 circles, the 3rd parallel conducting wire 6, the 4th parallel conducting wire 7 circle of coiling 3 in 2 cakes；First parallel conducting wire 4, second parallel connection are led
Line 5 is axially in parallel with the 3rd parallel conducting wire 6, the 4th parallel conducting wire 7, and the first parallel conducting wire 4, the second parallel conducting wire the 5, the 3rd are in parallel
Wire 6, the width of the 4th parallel conducting wire 7 are to parallel connection.Coil using in parallel up and down, width to two conductor in parallel, one around 2 circles, it is another
Around 1 circle, 2 cakes are a unit to root 1, and 2 parallel conducting wires are each around 3 circles, realize per the circle of cake 1.5 then in parallel up and down by coil
It is so-called per the circle of cake coiling 0.75 to realize.
In the present embodiment, coil is divided into half-coil 8 and lower half-coil 9, and upper half-coil 8 is provided with the 3rd outlet and the 4th and goes out
Line；Lower half-coil 9 is provided with the 1st outlet and the 2nd outlet, and the outlet of upper half-coil 8 the 4th goes out line parallel with lower half-coil the 1st, upper half
The outlet of coil 9 the 3rd goes out line parallel with lower half-coil the 2nd.
During coiling, half-coil 9 under first coiling, i.e. the first parallel conducting wire 4, the second parallel conducting wire 5 are carried out simultaneously, and first is in parallel
After complete 1 circle, the second parallel conducting wire 5 is removed for wire 4, the second parallel conducting wire 5, and the first parallel conducting wire 4 continues the circle of coiling 1, first
Parallel conducting wire 4, the second parallel conducting wire 5 staggeredly replace, and rise to cake 2 from cake 1, the first parallel conducting wire 4, the second parallel conducting wire 5 after
It is continuous around 1 circle, then the first parallel conducting wire 4 is removed, and the second parallel conducting wire 5 continues the circle of coiling 1, until the coiling of lower half-coil 9 terminates.
Continue coiling upper half coil by same manner, using the 3rd parallel conducting wire 6, the 4th parallel conducting wire 7.
The utility model simple structure, changes traditional coil turn and chooses mode with whole circle or 0.5 circle, realizes 0.75
The selection mode of circle；High-power transformer low-voltage coil cake number On The Choice is solved, spiral exterior loop resistance to shorting is solved
Scarce capacity problem, while improve product reliability, also improves the economy of product.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of novel low-voltage outside line coil structures, including paper web (1), inner bracing strip (2), line cake and outer stay (3), its feature exist
In：The inner bracing strip (2) is fixedly installed on paper web (1) inner side, and the outer stay (3) is oppositely arranged with the inner bracing strip (2), and
Coil is set between the inner bracing strip (2) and the outer stay (3), on the online cake of coil winding；Also include that first is in parallel
Wire (4), the second parallel conducting wire (5), the 3rd parallel conducting wire (6), the 4th parallel conducting wire (7), first parallel conducting wire (4),
Second parallel conducting wire (5) circle of coiling 3 in cake 2, the 3rd parallel conducting wire (6), the 4th parallel conducting wire (7) are 2
The circle of coiling 3 in cake；It is first parallel conducting wire (4), second parallel conducting wire (5) and the 3rd parallel conducting wire (6), the 4th in parallel
Wire (7) is axially in parallel, first parallel conducting wire (4), second parallel conducting wire (5), the 3rd parallel conducting wire (6), the 4th
Parallel conducting wire (7) width is to parallel connection.
2. a kind of novel low-voltage outside line coil structures according to claim 1, it is characterised in that：The coil is divided into upper half
Coil (8) and lower half-coil (9), the upper half-coil (8) are provided with the 3rd outlet and the 4th outlet；On the lower half-coil (9)
The 1st outlet and the 2nd outlet are provided with, the upper half-coil (8) the 4th outlet goes out line parallel, the upper half-coil with lower half-coil the 1st
(9) the 3rd outlets go out line parallel with lower half-coil the 2nd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443848.2U CN206312720U (en) | 2016-12-27 | 2016-12-27 | A kind of novel low-voltage outside line coil structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443848.2U CN206312720U (en) | 2016-12-27 | 2016-12-27 | A kind of novel low-voltage outside line coil structures |
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| Publication Number | Publication Date |
|---|---|
| CN206312720U true CN206312720U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621443848.2U Active CN206312720U (en) | 2016-12-27 | 2016-12-27 | A kind of novel low-voltage outside line coil structures |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783075A (en) * | 2016-12-27 | 2017-05-31 | 江苏华鹏变压器有限公司 | A kind of novel low-voltage outside line coil structures |
-
2016
- 2016-12-27 CN CN201621443848.2U patent/CN206312720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783075A (en) * | 2016-12-27 | 2017-05-31 | 江苏华鹏变压器有限公司 | A kind of novel low-voltage outside line coil structures |
| CN106783075B (en) * | 2016-12-27 | 2019-04-30 | 江苏华鹏变压器有限公司 | A kind of low-voltage outside line coil structures |
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