CN207558567U - A kind of transformer low-voltage lead connection structure - Google Patents
A kind of transformer low-voltage lead connection structure Download PDFInfo
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- CN207558567U CN207558567U CN201721436855.4U CN201721436855U CN207558567U CN 207558567 U CN207558567 U CN 207558567U CN 201721436855 U CN201721436855 U CN 201721436855U CN 207558567 U CN207558567 U CN 207558567U
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- copper bar
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Abstract
The utility model discloses a kind of transformer low-voltage lead connection structures, a coupling line ends are connected with the first copper bar, b coupling line ends are connected with the second copper bar, c coupling line ends are connected with third copper bar, first copper bar, second copper bar, third copper bar, which is located in same level and is welded to each other, to be integral, the 4th copper bar of 0 phase is also drawn at the connection convergence of three copper bars, 4th copper bar is located above first copper bar and the other end of the 4th copper bar connects the end of a thread equipped with 0, b coupling line ends are also associated with the 5th copper bar, 5th copper bar is located above the second copper bar and the other end connects the end of a thread equipped with b, a connects the end of a thread, b connects the end of a thread, c connects the end of a thread, 0 the end of a thread that connects is on same plane, between first copper bar and the 4th copper bar, insulated terminal is additionally provided between second copper bar and the 5th copper bar.It is arranged using three-legged structure, compact-sized, good appearance, copper bar usage amount is greatly reduced, reduce production cost.
Description
Technical field
The utility model is related to transformer device structure technical field, more particularly to a kind of transformer low-voltage lead connection structure.
Background technology
For three-dimensional reel iron core transformer as the new-type transformer occurred in the market, due to its dual-energy-saving the advantages of becomes distribution
A kind of trend of transformer development.But due to its unique structure, low-voltage coil lead-out wire is caused in the same plane, not connect
It connects more difficult.Transformer low-voltage lead half is all directly to weld one piece of copper bar on the terminal conducting wire of transformer coil to stretch at present
Go out again welding red copper row to be directly connected to conductor rod.Weld this connection mode often due to coil low-pressure line-outgoing conducting wire radical very
It is more, and the width of copper bar is smaller so that bonding area of the terminal on copper bar is small, so as to cause welding difficulty big weld interval
It is long, low production efficiency.And the tortuous institute of two terminal lead arrangements of each phase of low pressure is longer through distance, and which increases copper bars to make
Dosage, production cost is higher and low-voltage lead connection is more in disorder, and appearance is bad, in some instances it may even be possible to cause Inter-turn Short Circuit Phenomenon.
Therefore it is necessary that transformer low-voltage lead connection structure is improved.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, a kind of transformer low-voltage lead connection structure is provided, according to change
The lead wire connection structure that the specific position Design of State of the space size of depressor and each leading-out terminal goes out, copper bar used in lead occupy
Space is small, path is short, welding, and entire pin configuration is compact and beautiful.
To achieve the above object, the method for the utility model use is：A kind of transformer low-voltage lead connection structure, including
Transformer coil, five copper bars, insulated terminals；The transformer coil is divided into a, b, c three-phase, and a phase coils connect equipped with a
The end of a thread and a coupling line ends, the b phase coils are equipped with b coupling line ends, and the c phase coils connect the end of a thread and c coupling line ends equipped with c,
The a couplings line end is connected with the first copper bar, b coupling line ends are connected with the second copper bar, c coupling line ends are connected with third copper bar,
First copper bar, the second copper bar, third copper bar, which are located in same level and are welded to each other, to be integral, in three copper bars
The 4th copper bar of 0 phase is also drawn at connection convergence, the 4th copper bar is located at first copper bar top and the described 4th
The other end of copper bar connects the end of a thread equipped with 0, and the b couplings line end is also associated with the 5th copper bar, and the 5th copper bar is located at second
Above copper bar and the other end connects the end of a thread equipped with b, and a the end of a thread, b connect the end of a thread, 0 the end of a thread that connects of the end of a thread, c that connect that connect is located
In on same plane, insulated terminal is additionally provided between first copper bar and the 4th copper bar, between the second copper bar and the 5th copper bar.
As a kind of improvement of the utility model, the angle two-by-two between first copper bar, the second copper bar, third copper bar
It is 120 degree.
As a kind of improvement of the utility model, first copper bar is arranged in parallel with the 4th copper bar.
As a kind of improvement of the utility model, second copper bar is arranged in parallel with the 5th copper bar.
As a kind of improvement of the utility model, the 4th copper bar connects the end of a thread with 0 connect the end of a thread, the 5th copper bar with b
It is integrally formed.
Advantageous effect：
A kind of transformer low-voltage lead connection structure described in the utility model, the connector lug of a, b, c three-phase are in same
The usage amount of copper bar can be greatly reduced in plane, reduce production cost, and connect the copper bar length of a, b, c three-phase almost one
It causing, reduces resistance unbalance rate, make transformer station high-voltage side bus more stable and reliable, each wire connections point are all to be bolted, without
Welding is reduced workload, is arranged using three-legged structure, compact-sized, good appearance.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the F of the utility model to schematic diagram.
Each component is in figure：
1-a phase coils, 2-a connect the end of a thread, 3-a coupling line ends, 4-b phase coils, 5-b coupling line ends, 6-c phase coils, 7-c
Connect the end of a thread, 8-c coupling line ends, the first copper bars of 9-, the second copper bars of 10-, 11- third copper bars, the 4th copper bars of 12-, and 13-0 connects
The end of a thread, the 5th copper bars of 14-, 15-b connect the end of a thread, 16- insulated terminals.
Specific embodiment
The utility model is further described with reference to embodiment and with reference to attached drawing, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in width figure, and word " interior " and " outer " respectively refer to
Be directed towards or the direction far from particular elements geometric centers.
Such as a kind of Fig. 1 transformer low-voltage lead connection structures described in the utility model, including transformer coil, five copper
Row, insulated terminal；The transformer coil is divided into a, b, c three-phase, and a phase coils 1 connect the end of a thread 2 and a coupling line ends equipped with a
3, the b phase coils 4 are equipped with b couplings line end 5, and the c phase coils 6 connect the end of a thread 7 and c couplings line end 8 equipped with c, a couplings
Line end 1 is connected with the first copper bar 9, b couplings line end 5 is connected with the second copper bar 10, c couplings line end 8 is connected with third copper bar 11, institute
It states the first copper bar 9, the second copper bar 10, third copper bar 11 and is located in same level and is welded to each other and be integral, in three copper
Also draw the 4th copper bar 12 of 0 phase at the connection convergence of row, the 4th copper bar 12 be located at 9 top of the first copper bar and
The other end of 4th copper bar 12 connects the end of a thread 13 equipped with 0, and the b couplings line end 5 is also associated with the 5th copper bar 14, and described
Five copper bars 14 are located at the top of the second copper bar 10 and the other end connects the end of a thread 15 equipped with b, a connect the end of a thread 2, b connect the end of a thread 15,
The c the end of a thread 13 that connects of the end of a thread 7,0 that connects is on same plane, between 9 and the 4th copper bar 12 of the first copper bar, the second copper bar
10 and the 5th are additionally provided with insulated terminal 16 between copper bar 14.
As a kind of embodiment of the utility model, make transformer station high-voltage side bus is more stable can to reduce resistance unbalance rate
It leans on, the angle two-by-two between first copper bar 9, the second copper bar 10, third copper bar 11 is 120 degree.
As a kind of embodiment of the utility model, to make transformer device structure is compact to reduce copper bar usage amount, described first
Copper bar 9 is arranged in parallel with the 4th copper bar 12.
As a kind of embodiment of the utility model, to make transformer device structure is compact to reduce copper bar usage amount, described second
Copper bar 10 is arranged in parallel with the 5th copper bar 14.
As a kind of embodiment of the utility model, the 4th copper bar 12 connects the end of a thread 13, the 5th copper bar 14 and b with 0
The end of a thread 15 that connects is integrally formed.The unnecessary set-up time can be reduced while can also improve change by being set as integrated formed structure
The service life of depressor.
A kind of transformer low-voltage lead connection structure provided by the utility model, the connector lug of a, b, c three-phase are in same
The usage amount of copper bar can be greatly reduced in plane, reduce production cost, and connect the copper bar length of a, b, c three-phase almost one
It causing, reduces resistance unbalance rate, make transformer station high-voltage side bus more stable and reliable, each wire connections point are all to be bolted, without
Welding is reduced workload, is arranged using three-legged structure, compact-sized, good appearance.
The above descriptions are merely preferred embodiments of the present invention, is not to make any other to the utility model
The limitation of form, and any modification made according to the technical essence of the utility model or equivalent variations, it is new to still fall within this practicality
Type range claimed.
Claims (5)
1. a kind of transformer low-voltage lead connection structure, it is characterised in that：Including transformer coil, five copper bars, insulated terminals；
The transformer coil is divided into a, b, c three-phase, and a phase coils connect the end of a thread and a coupling line ends equipped with a, and the b phase coils are set
There are a b coupling line ends, the c phase coils connect the end of a thread and c coupling line ends equipped with c, and a couplings line end is connected with the first copper bar, b
Coupling line end is connected with the second copper bar, c coupling line ends are connected with third copper bar, first copper bar, the second copper bar, third copper bar
It in same level and is welded to each other and is integral, the 4th of 0 phase is also drawn at the connection convergence of three copper bars
Copper bar, the 4th copper bar is located above first copper bar and the other end of the 4th copper bar connects the end of a thread equipped with 0, described
B coupling line ends are also associated with the 5th copper bar, and the 5th copper bar is located above the second copper bar and the other end connects the end of a thread equipped with b,
A the end of a thread, b connect the end of a thread, 0 the end of a thread that connects of the end of a thread, c that connect that connect is on same plane, first copper bar and
Insulated terminal is additionally provided between four copper bars, between the second copper bar and the 5th copper bar.
2. a kind of transformer low-voltage lead connection structure according to claim 1, it is characterised in that：First copper bar,
Angle two-by-two between second copper bar, third copper bar is 120 degree.
3. a kind of transformer low-voltage lead connection structure according to claim 2, it is characterised in that：First copper bar with
4th copper bar is arranged in parallel.
4. a kind of transformer low-voltage lead connection structure according to claim 2, it is characterised in that：Second copper bar with
5th copper bar is arranged in parallel.
5. a kind of transformer low-voltage lead connection structure according to claim 1, it is characterised in that：4th copper bar with
0 connect the end of a thread, the 5th copper bar connect with b the end of a thread be integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436855.4U CN207558567U (en) | 2017-11-01 | 2017-11-01 | A kind of transformer low-voltage lead connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436855.4U CN207558567U (en) | 2017-11-01 | 2017-11-01 | A kind of transformer low-voltage lead connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558567U true CN207558567U (en) | 2018-06-29 |
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ID=62681087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721436855.4U Active CN207558567U (en) | 2017-11-01 | 2017-11-01 | A kind of transformer low-voltage lead connection structure |
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| Country | Link |
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| CN (1) | CN207558567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600242A (en) * | 2019-09-11 | 2019-12-20 | 江苏新特变科技股份有限公司 | Secondary copper bar connecting structure of dry type transformer |
-
2017
- 2017-11-01 CN CN201721436855.4U patent/CN207558567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600242A (en) * | 2019-09-11 | 2019-12-20 | 江苏新特变科技股份有限公司 | Secondary copper bar connecting structure of dry type transformer |
| CN110600242B (en) * | 2019-09-11 | 2024-02-02 | 江苏新特变科技股份有限公司 | Secondary copper bar connecting structure of dry-type transformer |
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