CN205645466U - Transformer - Google Patents
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- CN205645466U CN205645466U CN201620089098.7U CN201620089098U CN205645466U CN 205645466 U CN205645466 U CN 205645466U CN 201620089098 U CN201620089098 U CN 201620089098U CN 205645466 U CN205645466 U CN 205645466U
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Abstract
The utility model relates to a transformer. The utility model discloses a transformer, ware body include winding and iron core, and unshakable in one's determination it is unshakable in one's determination with the lower half that unit unshakable in one's determination divide into first iron core that can dock each other including three by the folding unit unshakable in one's determination that forms of silicon strip material, mutual overlap joint between first iron core and the partly of lower half seam crossing unshakable in one's determination or the whole silicon strip material adjacent layers, and the seam crossing has been paintd the conducting resin and perhaps has been provided with the bandage, every part monolithic silicon strip material closed assembly the same by the angle, that length differs from each other respectively unshakable in one's determination forms. The beneficial effects of the utility model are that: the transformer iron core need not to use coiling equipment special unshakable in one's determination and the winding technique equipment that the price is expensive, production efficiency is low, has reduced manufacturing cost. It is better that good ratio of winding directness quality and performance of coiling winding on the iron core is prefabricated in the adoption, and the suit winding is easier, has practiced thrift the assemble duration by a wide margin. Simple structure, easy to operate has practiced thrift manufacturing cost such as manpower, place.
Description
Technical field
This utility model relates to field transformer, particularly to a kind of transformator.
Background technology
The Main Function of transformer core is to play magnetic conduction to also have the effect of skeleton.The magnetic loop that provides unshakable in one's determination, winding energising produces magnetic field later, and the magnetic line of force constitutes magnetic loop through iron core, makes the magnetic field intensity of whole magnetic circuit reach maximum, it is to avoid dispersion loss, transformer core is the vitals of transformator.
As shown in Figure 1, conventional three-phase stereo rewinding material is pieced together the stereochemical structure of equilateral triangle by three single frame iron cores, unshakable in one's determination being wound into continuously by the various sizes of trapezoidal silicon strip of multi-disc of each single frame is similar to semicircular cross section so that the core limb after three single frame splits becomes approximately round cross section.Operator and tooling device are required higher by this structure and the mode of production, have a strong impact on and restrict production efficiency.Subject matter is as follows: need to use special winding apparatus during single frame iron core winding.Coiling winding needs to use special spooling equipment and mould, poor universality, and winding to need in forming iron directly coiling in the heart, and winding mass concordance is poor.Process-cycle is long, and production efficiency is low, requires higher to tooling device and operative's skill.Unshakable in one's determination and winding technique is required for special spooling equipment, and production cost is higher.Entirety is needed to return repair in shop reason as transformator runs into fault.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of production cost is low, easily prepared, maintain easy, easy a kind of transformator.
A kind of transformator that this utility model provides, its technical scheme is:
A kind of transformator, device body includes winding and iron core, described iron core includes three core unit folded by silicon steel band, three described core unit constitute three-dimensional core construction, described core unit is divided into the first half that can be mutually butted unshakable in one's determination and lower half is unshakable in one's determination, the described first half is unshakable in one's determination and mutually overlaps between part or all silicon steel band adjacent layer of described lower half iron core seam crossing, and seam crossing is coated with conducting resinl or is provided with bandage；Every part single piece of silicon steel band closed assembly identical by angle, variable lengths respectively unshakable in one's determination forms.
Preferably, the seam of the silicon steel band that the unshakable in one's determination silicon steel band of the first half is corresponding with lower half iron core is dislocatedly distributed, each seam formation laciniation of core unit.
Preferably, if core unit is made up of the silicon steel band closed assembly of dry tablet width increasing or decreasing.
Preferably, core unit is the core unit of band knuckle, the first half lower half iron core docking unshakable in one's determination and with four beveled structures with four beveled structures formed.
Preferably, first half iron core is shorter than lower half iron core.
Preferably, the cross section of core unit is semicircle, stairstepping, rectangle, trapezoidal, have the upper end, go to the bottom, the abnormity of straight line waist and a camber line waist trapezoidal, or have the upper end, go to the bottom, the abnormity of a vertical line waist and an oblique line waist trapezoidal.
Preferably, the cross section of the core limb of the collapsible transformer core of three-phase stereo is circular, multilevel shape or polygon.
Preferably, the collapsible transformer core of three-phase stereo is assembled into a 3-D triangle structure by three core unit according to the structure of equilateral triangle, and the center of circle of the cross section of three core limbs constitutes an equilateral triangle.
Enforcement of the present utility model includes techniques below effect:
The collapsible iron core of three-phase stereo of a kind of transformator that this utility model provides, without using special winding equipment unshakable in one's determination and winding-winding equipment, fundamentally solve and use expensive, production efficiency is low special winding apparatus unshakable in one's determination and special winding-winding equipment, reduce production cost.Use prefabricated ratio of winding directly on iron core the quality of coiling winding and performance more preferable, suit winding is more prone to, and has significantly saved installation time.Use closed assembly assembling mode, simple in construction, easily operate, and save place, production efficiency is greatly improved, reduces the production cycle, saved the production cost such as manpower, place.By improving the structure of seam, the magnetic resistance of seam crossing is less, reduces loss and the noise of transformator.Transformer core applied range of the present utility model, different capabilities, the transformator of different size all can use.
Accompanying drawing explanation
Fig. 1 is the three-phase stereo transformer core perspective view of existing a kind of transformator
Fig. 2 is the core unit structural representation of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
Fig. 3 is the three-phase stereo collapsible transformer iron core structure schematic diagram of a kind of transformator of this utility model embodiment
Fig. 4 is the cross-sectional structure schematic diagram (with multistage semi-circular core unit example) of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
Fig. 5 is the multilevel shape core unit planing surface structural representation of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
Fig. 6 is the polygon core unit planing surface structural representation of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
Fig. 7 is the polygon+arc iron cores unit planing surface structural representation of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
Fig. 8 is the arc iron cores unit planing surface structural representation of the collapsible transformer core of three-phase stereo of a kind of transformator of this utility model embodiment
1, core unit；2, the first half is unshakable in one's determination；3, lower half is unshakable in one's determination；4, seam.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in detail, it should be pointed out that described embodiment is intended merely to facilitate understanding of the present utility model, and it does not play any restriction effect.
See shown in Fig. 2 to Fig. 4, the collapsible transformer core of three-phase stereo of a kind of transformator that the present embodiment provides, including three core unit 1 folded by silicon steel band, three core unit 1 constitute the core construction of solid, if core unit 1 can be made up of the silicon steel band closed assembly of dry tablet width increasing or decreasing, shown in Figure 2, core unit 1 is divided into the first half unshakable in one's determination 2 and lower half iron core 3 that can be mutually butted, and mutually overlaps between part or all silicon steel band adjacent layer at the seam 4 of the first half unshakable in one's determination 2 and lower half iron core 3.After docking, (or a part of silicon steel band is mutually butted whole silicon steel bands overlap joint, a part mutually overlap joint), add bonding strength, this kind of structure magnetic flux distribution is uniform, take full advantage of material and improve activity coefficient, playing the performance of iron core to greatest extent.
Shown in Figure 2, in the present embodiment, core unit 1 is the core unit 1 of band knuckle, is preferably formed by 3 docking unshakable in one's determination of the first half unshakable in one's determination 2 with four beveled structures and the lower half with four beveled structures.The seam 4 of the first half unshakable in one's determination 23 silicon steel bands unshakable in one's determination with lower half is dislocatedly distributed, and preferably each seam 4 of core unit 1 forms saw-tooth-type structures.Preferably, first half iron core 2 is shorter than lower half iron core 3, and seam 4 is located proximate to iron yoke, and winding is enclosed within 3 posts unshakable in one's determination of relatively long lower half.Preferably, seam 4 position is coated with conducting resinl or is provided with bandage, makes 3 docking unshakable in one's determination of the first half unshakable in one's determination 2 and lower half more stable, can avoid dispersion loss.
See shown in Fig. 5 to Fig. 8, the cross section of core unit 1 can be semicircle, stairstepping (shown in Fig. 5), polygon (shown in Fig. 6), trapezoidal (not shown), polygon+arc (shown in Fig. 7), arc (shown in Fig. 8), have the upper end, go to the bottom, straight line waist and the trapezoidal (not shown) of abnormity of a camber line waist, have the upper end, go to the bottom, a vertical line waist and the trapezoidal (not shown) of abnormity of an oblique line waist；Cross section after the split of three core unit 1 can be circle, multilevel shape, polygon, polygon+circle.
The collapsible transformer core of three-phase stereo is assembled into a 3-D triangle structure by three core unit 1 according to the structure of equilateral triangle, three core limbs of the collapsible transformer core of this three-phase stereo are that the diameter of the cross section by the left unit core post of a core unit 1 is combined with each other with the diameter of the cross section of the right unit core post of another core unit 1 and forms respectively, and the center of circle of the cross section of three core limbs constitutes an equilateral triangle.
Each core unit 1 is divided into upper and lower two parts by the present embodiment.Every part single piece of silicon steel band closed assembly identical by angle, variable lengths respectively unshakable in one's determination forms, every silicon steel band uses special bending device that silicon steel band is bent into fixed angle, and the width of adjacent two layers band is that certain rule (increasing or decreasing) successively changes.The seam 4 of every layer unshakable in one's determination of two parts is staggered up and down, and whole seams 4 entirety of single frame iron core can form the fold-line-shaped (such as zigzag) of certain rule.Ultimately forming single frame iron core cross section and be similar to semicircle, the core limb cross section after three single frame iron core splits is approximately round (multilevel shape or polygon or polygon+circle etc.).
This transformer iron core structure is when assembling transformer, it is possible to use the common prefabricated winding of winding-winding equipment, then is sleeved on iron core, two parts up and down that the most gradually three single frames of docking are unshakable in one's determination.The advantage of its maximum is to significantly reduce production cost, and production efficiency is greatly improved.Fundamentally solve and use expensive, production efficiency is low special winding apparatus unshakable in one's determination and special winding-winding equipment, innovate the assembling mode of three-dimensional iron-core transformer, improve production efficiency and stock utilization simultaneously, save human cost and production cycle.
This utility model additionally provides a kind of transformator, and device body includes winding and iron core, the collapsible transformer core of the three-phase stereo that structure is above-described embodiment unshakable in one's determination.In this utility model, other structure of a kind of transformator is conventional structure, and the improvement of the transformator of this utility model offer only relates to above-mentioned transformer core, is not modified other parts.Therefore transformer core is only described in detail by this specification, miscellaneous part and operation principle to transformator repeat no more here.Those skilled in the art, in the content basis that this specification describes, can realize transformator of the present utility model.
Finally should be noted that; above example is only in order to illustrate the technical solution of the utility model; rather than the restriction to this utility model protection domain; although having made to explain to this utility model with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (8)
1. a transformator, device body includes winding and iron core, described iron core includes three core unit folded by silicon steel band, three described core unit constitute three-dimensional core construction, described core unit is divided into the first half that can be mutually butted unshakable in one's determination and lower half is unshakable in one's determination, it is characterized in that: the described first half is unshakable in one's determination and mutually overlaps between part or all silicon steel band adjacent layer of described lower half iron core seam crossing, and seam crossing is coated with conducting resinl or is provided with bandage；Every part single piece of silicon steel band closed assembly identical by angle, variable lengths respectively unshakable in one's determination forms.
A kind of transformator the most according to claim 1, it is characterised in that: the seam of the silicon steel band that described first half silicon steel band unshakable in one's determination is corresponding with described lower half iron core is dislocatedly distributed.
A kind of transformator the most according to claim 1, it is characterised in that: described core unit is made up of the silicon steel band closed assembly of width increasing or decreasing.
A kind of transformator the most according to claim 1, it is characterised in that: described core unit is the core unit of band knuckle, the first half lower half iron core docking unshakable in one's determination and with four beveled structures with four beveled structures formed.
A kind of transformator the most according to claim 1, it is characterised in that: it is unshakable in one's determination that described first half iron core is shorter than described lower half.
A kind of transformator the most according to claim 1, it is characterised in that: the cross section of described core unit be semicircle, trapezoidal, rectangle, or have the upper end, go to the bottom, the abnormity of straight line waist and a camber line waist trapezoidal.
A kind of transformator the most according to claim 1, it is characterised in that: the cross section of the core limb of described iron core is circular, multilevel shape or polygon.
8. according to the arbitrary described a kind of transformator of claim 1～7, it is characterised in that: described iron core is assembled according to the structure of equilateral triangle by three core unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089098.7U CN205645466U (en) | 2016-01-28 | 2016-01-28 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089098.7U CN205645466U (en) | 2016-01-28 | 2016-01-28 | Transformer |
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|---|---|
| CN205645466U true CN205645466U (en) | 2016-10-12 |
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| CN201620089098.7U Active CN205645466U (en) | 2016-01-28 | 2016-01-28 | Transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018647A (en) * | 2017-05-24 | 2017-08-04 | 合肥工业大学 | A kind of multilayer electromagnetic shielding cabinet with special teeth groove, arc-shaped slot structure |
| CN112635176A (en) * | 2020-11-30 | 2021-04-09 | 上海置信日港电气有限公司 | Noise reduction method for amorphous alloy iron core |
-
2016
- 2016-01-28 CN CN201620089098.7U patent/CN205645466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018647A (en) * | 2017-05-24 | 2017-08-04 | 合肥工业大学 | A kind of multilayer electromagnetic shielding cabinet with special teeth groove, arc-shaped slot structure |
| CN107018647B (en) * | 2017-05-24 | 2024-02-13 | 合肥工业大学 | Multilayer electromagnetic shielding cabinet body with special tooth slot and arc clamping groove structure |
| CN112635176A (en) * | 2020-11-30 | 2021-04-09 | 上海置信日港电气有限公司 | Noise reduction method for amorphous alloy iron core |
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