CN208903802U - Monophase transformer core structure - Google Patents
Monophase transformer core structure Download PDFInfo
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- CN208903802U CN208903802U CN201821933289.2U CN201821933289U CN208903802U CN 208903802 U CN208903802 U CN 208903802U CN 201821933289 U CN201821933289 U CN 201821933289U CN 208903802 U CN208903802 U CN 208903802U
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Abstract
The utility model discloses a kind of monophase transformer core structures, including open coil iron core, above-mentioned open coil iron core includes upper yoke, stem and lower yoke, above-mentioned upper yoke, stem and lower yoke are spliced together to form eight-sided formation, the two sides of above-mentioned upper yoke are provided with the upper clamping piece for clamping upper yoke, the two sides of above-mentioned lower yoke are provided with the lower clamping piece for clamping lower yoke, are connected between above-mentioned upper clamping piece and lower clamping piece by pulling plate.The transformer iron-core structure of the utility model uses open coil iron core structure, no-load loss, no-load current and noise can be greatly lowered, while reducing transformer weight and cost.
Description
Technical field
The utility model relates to transformer technologies, and in particular to a kind of monophase transformer core structure.
Background technique
Transformer technology progress needs Green Development, energy-saving, and transformer core is a developing direction using volume iron core.
Volume core technology is applied at present on small distribution three-phase transformer, but this structure is especially being drawn in large-scale single-phase transformer
There is a possibility that practical popularization and application on transformer and there are the excellent properties of section material, consumption reduction.
The folded core structure of tradition, stem and iron yoke are formed by the layer-by-layer stack of silicon steel sheet respectively, the entire shape of iron core in back-shaped,
Stem and iron yoke seam are in 45 degree at four angles, and the flow direction of iron core is along iron core closure, the magnetic conduction direction edge of lamination
The rolling direction of lamination.It is different in the rolling direction and flow direction of stem and four overlap joint corner laminations of iron yoke
It causes, by 90 degree of corners, the no-load current of iron core, no-load loss is caused to increase.The weight of the presence at four angles, iron core is big, and empty
The weight of load-loss and iron core is proportional, causes the no-load loss of the transformer high.Therefore, the unloaded damage of transformer how is reduced
Consumption, no-load current become urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of monophase transformer core structure, the sky for how reducing transformer is solved
The problem of load-loss.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of monophase transformer core structure, including open coil iron core, above-mentioned open coil iron core include upper yoke, stem and
Lower yoke, above-mentioned upper yoke, stem and lower yoke are spliced together to form eight-sided formation, and the two sides of above-mentioned upper yoke are provided with
Upper clamping piece for clamping upper yoke, the two sides of above-mentioned lower yoke are provided with the lower clamping piece for clamping lower yoke, above-mentioned
It is connected between upper clamping piece and lower clamping piece by pulling plate.
It tries to stop people from fighting each other preferably, the top of the upper clamping piece of above-mentioned upper yoke two sides passes through and screw rod is drawn to be fixedly connected, two sides
It is tried to stop people from fighting each other and is fixedly connected by upside between the both ends of above-mentioned upper clamping piece.
Preferably, try to stop people from fighting each other the first chock being placed between upper yoke for compressing upper yoke in above-mentioned upside, on
State the second chock tried to stop people from fighting each other and be provided between upper yoke for compressing upper yoke.
Preferably, above-mentioned first chock top be arranged baffle, one end of above-mentioned baffle be fixed on upside try to stop people from fighting each other it is upper
End, the other end are connect by bolt with above-mentioned first chock.
Preferably, being tensed between in the middle part of the lower end of the upper clamping piece of above-mentioned upper yoke two sides by upper drawstring, above-mentioned pull-up
Band is passed through from the lower end of above-mentioned upper yoke.
Preferably, the lower end of the lower clamping piece of above-mentioned lower yoke two sides is fixed by feet, the both ends of above-mentioned lower clamping piece
It is tried to stop people from fighting each other and is fixedly connected by downside between portion.
Preferably, above-mentioned feet is divided into middle part feet and two sides feet, it is provided with and is used on above-mentioned two sides feet
The fagging for supporting stem, is provided with third chock between above-mentioned middle part feet and above-mentioned lower yoke.
Preferably, being additionally provided with binding strap on above-mentioned lower yoke, above-mentioned binding strap is along the whole circle binding of two sides lower clamping piece.
Preferably, above-mentioned stem is bound along short transverse using the second binding strap of multiple tracks.
Compared with prior art, the utility model has the beneficial effects that
The transformer iron-core structure of the utility model uses open coil iron core structure, unloaded damage can be greatly lowered
Consumption, no-load current and noise, while reducing transformer weight and cost.
Detailed description of the invention
Fig. 1 is the structure front view of the monophase transformer core structure of the utility model.
Fig. 2 is the structural side view of the monophase transformer core structure of the utility model.
Fig. 3 is the structure top view of the monophase transformer core structure of the utility model.
Fig. 4 is the structural schematic diagram of the open coil iron core of the utility model.
Fig. 5 is the B-B cross section view in Fig. 4 of the utility model.
Fig. 6 is the top view of the feet of the monophase transformer core structure of the utility model.
Fig. 7 is the side view of the feet of the monophase transformer core structure of the utility model.
Wherein, 1, open coil iron core；2, upper clamping piece；3, lower clamping piece；4, pulling plate；5, the second binding strap；11, upper yoke；12,
Stem；13, lower yoke；21, it tries to stop people from fighting each other；22, screw rod is drawn；23, upside is tried to stop people from fighting each other；24, the first chock；25, the second chock；26, baffle；
27, upper drawstring；31, feet；32, downside is tried to stop people from fighting each other；33, fagging；34, binding strap；35, third chock.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1,2,3,4,5, for one embodiment of the utility model, a kind of monophase transformer core structure, packet
Open coil iron core 1 is included, above-mentioned open coil iron core 1 includes upper yoke 11, stem 12 and lower yoke 13, above-mentioned upper yoke 11, stem
12 and lower yoke 13 be spliced together to form eight-sided formation, i.e. upper yoke quadrangle bends downward 45 degree, and the four of lower yoke are angular
Upper 45 degree of bending, and lower yoke and stem seamless connection are integrated, and are had seam between upper yoke and stem, are facilitated set wiring
Circle；The two sides of above-mentioned upper yoke 11 are provided with the upper clamping piece 2 for clamping upper yoke 11, the two sides setting of above-mentioned lower yoke 13
There is the lower clamping piece 3 for clamping lower yoke 13, is connected between above-mentioned upper clamping piece 2 and lower clamping piece 3 by pulling plate 4.By upper
Upper clamping piece and lower clamping piece is arranged in the two sides of iron yoke and lower yoke, is connected as one, is made with pulling plate between upper clamping piece and lower clamping piece
Entire open coil iron core structure is surrounded the space to be formed by upper clamping piece, lower clamping piece and pulling plate completely and is wrapped up, to be formed steady
Fixed transformer iron-core structure.
Since the iron core column and iron yoke of silent volume iron core are continuously wound by silicon steel sheet, entire iron core forms a closure
Entirety.High annealing is needed after iron core winding to eliminate the line of the stress generated on lamination due to coiling process, transformer
Circle needs to cover the coiling on iron core, and the production technology of entire transformer is complicated, and the period is long.Therefore opening volume is used in the present embodiment
Iron core, in the open coil iron core, the piece wide direction of silicon steel sheet has turned 90 degree compared to relatively folded core structure piece wide direction, entire iron
Core is divided into two parts up and down, and two-part seam is above two stems, referred to as open coil iron core.Two parts are all by silicon steel sheet
8 × 45 degree are bent at four angles of iron yoke and forms octagon, and iron core is formed through layer-by-layer stack, fills the orientation that part plays cold rolled silicon steel
Property, the flow direction of transformer include it is consistent with the rolling direction of lamination always in bending place, octagon also makes iron core angle
Mitigate again, saves 5% silicon steel sheet than identical folded iron core.No-load loss, no-load current is greatly lowered in above reason.It connects
The flow direction of transformer can't be changed by stitching existing position, be influenced on no-load loss, no-load current negligible.Core material
Magnetic conduction direction it is consistent with the magnetic circuit direction of iron core, reduce vibration when work, noise can be made to be reduced to bottom line, it is more folded than generally
Iron core reduces 5dB~10dB.For high-power transformer, eight 45 degree bend shared length ratios and compare iron core overall length very little,
Annealing process can not be needed；Iron core is divided into two parts up and down, and after the completion of online snare fills, iron core top carries out inserted sheet again.
Further, for another embodiment of the utility model, since the upper clamping piece of upper yoke two sides is independent
Component, in order to enable the upper clamping piece of two sides to be bonded, therefore the top of the upper clamping piece 2 in above-mentioned 11 two sides of upper yoke passes through
Try to stop people from fighting each other 21 with draw screw rod 22 to be fixedly connected, try to stop people from fighting each other 21 for the upper clamping piece 2 that connects two sides and 21 settings of trying to stop people from fighting each other be in upper clamping piece 2
The middle position of side draws screw rod 22 at least 2, be located at it is above-mentioned try to stop people from fighting each other 21 two sides, and draw screw rod 22 by two sides
Upper clamping piece 2 be connected；It is tried to stop people from fighting each other and 23 is fixedly connected by upside between the both ends of the above-mentioned upper clamping piece 2 of two sides, by setting
Set upside try to stop people from fighting each other 23 enable upper clamping piece 2, try to stop people from fighting each other 21, draw screw rod 22 and upside to try to stop people from fighting each other 23 to stablize the sky to form a package
Between, upper yoke is clamped completely, so that transformer iron-core structure is more stable.
Further, for another embodiment of the utility model, due to trying to stop people from fighting each other at 23 on upper yoke 11 close to upside
With 45 degree of bending, and upside is tried to stop people from fighting each other between 23 and upper yoke has certain distance, thus above-mentioned upside try to stop people from fighting each other 23 with it is upper
The first chock 24 for compressing upper yoke 11, the inclined side for forming 45 degree on one side of the first chock 24 are placed between iron yoke 11
It is adapted with 45 degree of bending edges of upper yoke 11, above-mentioned try to stop people from fighting each other is provided with for compressing upper yoke 11 between 21 and upper yoke 11
Second chock 25, while trying to stop people from fighting each other and being also likely to be present gap between 21 and upper yoke 11, therefore trying to stop people from fighting each other between 21 and upper yoke 11
It is provided with the second chock 25, the setting of the first chock 24 and the second chock 25 can effectively compress upper yoke, make transformer core
Structure is more stable.
Further, for another embodiment of the utility model, in order to enable the first chock 24 effectively to compress
Iron yoke, thus above-mentioned first chock 24 top be arranged baffle 26, one end of above-mentioned baffle 26 be fixed on upside try to stop people from fighting each other 23 it is upper
End, the other end are connect by bolt with above-mentioned first chock 24.When being installed to transformer iron-core structure, by baffle 26
Be fixed on upside try to stop people from fighting each other 23 upper end, connect baffle 26 with the first chock 24 by bolt, effectively limit bolt
Position.
Further, for another embodiment of the utility model, the lower end of the upper clamping piece 2 of above-mentioned 11 two sides of upper yoke
It is tensed between middle part by upper drawstring 27, above-mentioned upper drawstring 27 is passed through from the lower end of above-mentioned upper yoke 11.Due to drawstring have with
It anticipates curved characteristic, therefore 2 lower section of upper clamping piece is tensed by upper drawstring 27, and drawstring 27 can be made more to stick on upper yoke
It closes, it is final to realize the effect stablized and tensed.
Further, for another embodiment of the utility model, the lower end of the lower clamping piece 3 of above-mentioned 13 two sides of lower yoke
Portion is fixed by feet 31, is tried to stop people from fighting each other and 32 is fixedly connected by downside between the both ends of above-mentioned lower clamping piece 3.Due to entire transformation
Device core structure has heavier weight, places to enable transformer iron-core structure to stablize installation, therefore in lower clamping piece
Lower end is fixed by feet 31, is tried to stop people from fighting each other and 32 is fixedly connected by downside by the both ends of lower clamping piece, so that lower clamping piece 3, padding
Foot 31 and downside try to stop people from fighting each other 32 formation package and by lower yoke package wherein.
Further, for another embodiment of the utility model, above-mentioned feet 31 is divided for middle part feet 31 and two sides
Feet 31 is provided with the fagging 33 for being used to support stem 12 on above-mentioned two sides feet 31, above-mentioned middle part feet 31 with it is upper
It states and is provided with third chock 35 between lower yoke 13.The two sides feet center of iron core is rolled up away from smaller, will widen in the middle part of feet, and guarantee
Entire iron core, which can consolidate, to be placed on the lower oil tank of transformer.Fagging 33 is fixed on the position that feet 31 is widened, and is used for
Stem 12 is supported, while fagging 33 has inclined inclined-plane, which is adapted with 45 degree of bending places of lower yoke；Together
When in order to enable lower yoke to compress, therefore between middle part feet 31 and lower yoke 13 be arranged third chock 35, such as Fig. 1,6,7
It is shown.
Further, for another embodiment of the utility model, it is additionally provided with binding strap 34 on above-mentioned lower yoke 13,
Above-mentioned binding strap 34 is bound along the whole circle of two sides lower clamping piece 3.The lower clamping piece of two sides can be enable to be bonded in this way,
And clamp lower yoke.
Further, for another embodiment of the utility model, above-mentioned stem 12 uses multiple tracks the along short transverse
The binding of two binding straps 5.Stem is tightened along short transverse using the second binding strap of multiple tracks, and the second binding strap is by pulling plate 4 and the heart
Column 12 is bound together.
" one embodiment ", " another embodiment ", " embodiment ", " preferred embodiment " spoken of in the present specification
Deng, refer to combine the embodiment description specific features, structure or feature include the application generality description at least
In one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Further
For, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other embodiments
To realize that this feature, structure or feature are also fallen in the scope of the utility model.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (9)
1. a kind of monophase transformer core structure, it is characterised in that: including open coil iron core (1), open coil iron core (1) packet
Upper yoke (11), stem (12) and lower yoke (13) are included, the upper yoke (11), stem (12) and lower yoke (13) are spliced to one
It rises and forms eight-sided formation, the two sides of the upper yoke (11) are provided with the upper clamping piece (2) for clamping upper yoke (11), institute
The two sides for stating lower yoke (13) are provided with lower clamping piece (3) for clamping lower yoke (13), the upper clamping piece (2) and lower clamping piece
(3) it is connected between by pulling plate (4).
2. monophase transformer core structure according to claim 1, it is characterised in that: upper yoke (11) two sides it is upper
The top of folder (2) is fixedly connected by trying to stop people from fighting each other (21) with drawing screw rod (22), between the both ends of the upper clamping piece (2) of two sides
By upside try to stop people from fighting each other (23) be fixedly connected.
3. monophase transformer core structure according to claim 2, it is characterised in that: the upside try to stop people from fighting each other (23) with it is upper
Be placed with the first chock (24) for compressing upper yoke (11) between iron yoke (11), it is described try to stop people from fighting each other (21) and upper yoke (11) it
Between be provided with the second chock (25) for compressing upper yoke (11).
4. monophase transformer core structure according to claim 3, it is characterised in that: the top of first chock (24)
Be arranged baffle (26), one end of the baffle (26) is fixed on tries to stop people from fighting each other the upper end of (23) in upside, the other end by bolt with
First chock (24) connection.
5. monophase transformer core structure according to claim 1, it is characterised in that: upper yoke (11) two sides it is upper
It is tensed between in the middle part of the lower end of folder (2) by upper drawstring (27), lower end of the upper drawstring (27) from the upper yoke (11)
It passes through.
6. monophase transformer core structure according to claim 1, it is characterised in that: under lower yoke (13) two sides
The lower end of folder (3) is fixed by feet (31), tries to stop people from fighting each other (32) admittedly by downside between the both ends of the lower clamping piece (3)
Fixed connection.
7. monophase transformer core structure according to claim 6, it is characterised in that: the feet (31) is divided into middle part pad
Foot (31) and two sides feet (31) are provided with the fagging (33) for being used to support stem (12) on the two sides feet (31),
Third chock (35) are provided between the middle part feet (31) and the lower yoke (13).
8. monophase transformer core structure according to claim 1, it is characterised in that: also set up on the lower yoke (13)
Have binding strap (34), the binding strap (34) is along the whole circle binding of two sides lower clamping piece (3).
9. monophase transformer core structure according to claim 1, it is characterised in that: the stem (12) is along short transverse
It is bound using the second binding strap of multiple tracks (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821933289.2U CN208903802U (en) | 2018-11-22 | 2018-11-22 | Monophase transformer core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821933289.2U CN208903802U (en) | 2018-11-22 | 2018-11-22 | Monophase transformer core structure |
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| Publication Number | Publication Date |
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| CN208903802U true CN208903802U (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821933289.2U Active CN208903802U (en) | 2018-11-22 | 2018-11-22 | Monophase transformer core structure |
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| CN (1) | CN208903802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360720A (en) * | 2018-11-22 | 2019-02-19 | 云南变压器电气股份有限公司 | Single-phase transformer core construction |
-
2018
- 2018-11-22 CN CN201821933289.2U patent/CN208903802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360720A (en) * | 2018-11-22 | 2019-02-19 | 云南变压器电气股份有限公司 | Single-phase transformer core construction |
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Address after: No. 212, tuoxiang Road, Luoyang sub district office, Kunming Economic Development Zone, China (Yunnan) pilot Free Trade Zone, Kunming, Yunnan 650000 Patentee after: YUNNAN TRANSFORMER ELECTRIC Co.,Ltd. Address before: No.71, Changyuan Road, high tech Industrial Development Zone, Kunming, Yunnan 650000 Patentee before: YUNNAN TRANSFORMER ELECTRIC Co.,Ltd. |