CN207947148U - A kind of transformer - Google Patents
A kind of transformer Download PDFInfo
- Publication number
- CN207947148U CN207947148U CN201820411603.4U CN201820411603U CN207947148U CN 207947148 U CN207947148 U CN 207947148U CN 201820411603 U CN201820411603 U CN 201820411603U CN 207947148 U CN207947148 U CN 207947148U
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- China
- Prior art keywords
- disk body
- magnetic core
- fixed
- skeleton
- transformer
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Abstract
The utility model proposes a kind of transformers, including：The magnetic core of inner hollow；It is fixed on the skeleton of the circular ring shape of the magnetic core inner top；Ring-wound is in the intraskeletal armature winding；Vertical direction is equally spacedly fixed in the magnetic core, and the polylith mounting plate below the skeleton；Secondary windings on each mounting plate is set；The epoxy board spacer being fixed between the armature winding and the secondary windings.The utility model has stable transformer leakage inductance.
Description
Technical field
The utility model is related to transformer technology field more particularly to a kind of transformers.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, generally comprises multiple windings and magnetic
Core.It needs to be isolated between each winding, to ensure that the leakage inductance of transformer requires within the limits prescribed.Meanwhile how to effectively reduce
The leakage inductance of transformer, and the cost of transformer is saved, it is those skilled in the art's problem to be solved.
Utility model content
The utility model proposes a kind of transformers, have cured the leakage inductance between primary and secondary winding so that leakage inductance is stablized, can be with
It is used as resonant inductance.
What the technical solution of the utility model was realized in：
A kind of transformer, including：
The magnetic core of inner hollow；
It is fixed on the skeleton of the circular ring shape of the magnetic core inner top；
Ring-wound is in the intraskeletal armature winding；
Vertical direction is equally spacedly fixed in the magnetic core, and the polylith mounting plate below the skeleton；
Secondary windings on each mounting plate is set；And
The epoxy board spacer being fixed between the armature winding and the secondary windings.
Preferably, further include：Be fixed on the magnetic core bottom, for draw the armature winding both ends and it is described it is secondary around
The epoxy plate bottom plate at group both ends.
Preferably, the skeleton includes the disk body of circular ring type, the circumference side of the disk body be provided with for wind transformer around
The annular groove of group, an annular surface of the disk body symmetrically raised two cylinders,
The annular surface of the disk body of the side clockwise of one cylinder is provided with towards the disk body center
The annular surface of one embedded groove, the disk body of the side counterclockwise of the cylinder is provided with and first embedded groove direction one
The second embedded groove caused.
Preferably, the depth of first embedded groove is more than the depth of second embedded groove.
Above-mentioned technical proposal is used, the beneficial effects of the utility model are：The utility model is solid by epoxy board spacer
The leakage inductance between primary and secondary winding is changed so that leakage inductance is stablized, and can be used as resonant inductance, that is, reduce the leakage of transformer
Sense, and the cost of transformer has been saved, there is very high practicability.Meanwhile it by designing effective skeleton structure, rising well
The buffer action between winding and between winding and magnetic core is arrived.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structure front view of the transformer of the utility model；
Fig. 2 is the vertical view of transformer shown in Fig. 1；
Fig. 3 is the side view of transformer shown in Fig. 1；
Fig. 4 is the front view of the utility model middle skeleton；
Fig. 5 is the upward view of skeleton shown in Fig. 4；
Fig. 6 is the vertical view of skeleton shown in Fig. 4.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig. 6, the transformer of the utility model, including magnetic core 1, skeleton 2, armature winding 3, polylith and installs
Plate 4, secondary windings 5, epoxy board spacer 6 and epoxy plate bottom plate 7.
Magnetic core 1 is PQ type magnetic cores, inner hollow.Skeleton 2 is fixed on the top position in magnetic core 1.3 annular of armature winding
It is wrapped in skeleton 2.Polylith mounting plate 4 is vertically equally spacedly fixed in magnetic core 1, and positioned at 2 lower section of skeleton.It is secondary
Winding 5 is arranged on each mounting plate 4.Epoxy board spacer 6 is fixed between armature winding 3 and secondary windings 5.Epoxy plate bottom plate 7
It is fixed on 1 bottom of magnetic core, the both ends at both ends and secondary windings 5 for drawing armature winding 3.
It is isolated by skeleton 2 and epoxy board spacer 6 between armature winding 3 and secondary windings 5, has fully been ensured between primary and secondary
High voltage requirement.The spacing of armature winding 3 and secondary windings 5 is fixed by epoxy board spacer 6, distance solidification, such structure
Determine the leakage inductance of transformer so that leakage inductance is stablized, and can be used as the resonant inductance of resonance circuit, both reduce transformer
Leakage inductance, and saved the volume and cost of power supply.
Secondary windings 5 increases heat dissipation area by using flat copper sheet winding, is controlled well due to high current
Temperature rises excessively high influence caused by and.Magnetic core 1 has high magnetic conductivity and low loss using the magnetic core of horizontal shopkeeper's magnetic DMR95 materials
Characteristic, to reduce the loss of transformer, raising efficiency.
Skeleton 2 includes the disk body 21 of circular ring type, and the circumference side of the disk body 21 is provided with the ring for winding transformer winding
Shape slot 22 a, annular surface of disk body 21 symmetrically raised two cylinders 23, ensure that between this winding and other windings
Distance (height of cylinder), makes the leakage inductance of transformer measure guarantee.
The annular surface of the disk body 21 of the side clockwise of one cylinder 23 is provided with the first insertion towards 21 center of disk body
Slot 24, it is embedding that the annular surface of the disk body 21 of the side counterclockwise of the cylinder 23 is provided with identical with 24 direction of the first embedded groove second
Enter slot 25.The depth of first embedded groove 24 is more than the depth of the second embedded groove 25.Two embedded grooves are for being embedded in the two of winding
End, it is effectively fixed.
It is tested by rationally designing and effectively calculating, a diameter of 42.8cm of disk body 21, the height of disk body 21 is
The depth of 7.4cm, the diameter 21cm of 21 intermediate circular hole of disk body, annular groove 22 are 10.2cm, and the width of annular groove 22 is 5.5cm,
The height of cylinder 23 is 10.2cm, and the width of the first embedded groove 24 and the second embedded groove 25 is 2.5cm, the first embedded groove 24
Depth is 9.55cm.The utilization of these sizes can further increase the isolation effect of skeleton 2.Skeleton 2 is using high-temperature and high-presure resistent
LCP (liquid crystal polymer) material, plays the buffer action between magnetic core 1 well.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of transformer, which is characterized in that including：
The magnetic core of inner hollow；
It is fixed on the skeleton of the circular ring shape of the magnetic core inner top；
Ring-wound is in the intraskeletal armature winding；
Vertical direction is equally spacedly fixed in the magnetic core, and the polylith mounting plate below the skeleton；
Secondary windings on each mounting plate is set；And
The epoxy board spacer being fixed between the armature winding and the secondary windings.
2. transformer according to claim 1, which is characterized in that further include：It is fixed on the magnetic core bottom, for drawing
The epoxy plate bottom plate at the armature winding both ends and the secondary windings both ends.
3. transformer according to claim 1, which is characterized in that the skeleton includes the disk body of circular ring type, the disk body
Circumference side is provided with the annular groove for winding transformer winding, an annular surface of the disk body symmetrically raised two circles
Column,
The annular surface of the disk body of the side clockwise of one cylinder is provided with towards the first embedding of the disk body center
Enter slot, the annular surface of the disk body of the side counterclockwise of the cylinder is provided with first embedded groove towards consistent
Second embedded groove.
4. transformer according to claim 3, which is characterized in that it is embedding that the depth of first embedded groove is more than described second
Enter the depth of slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411603.4U CN207947148U (en) | 2018-03-26 | 2018-03-26 | A kind of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411603.4U CN207947148U (en) | 2018-03-26 | 2018-03-26 | A kind of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947148U true CN207947148U (en) | 2018-10-09 |
Family
ID=63698276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411603.4U Active CN207947148U (en) | 2018-03-26 | 2018-03-26 | A kind of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947148U (en) |
-
2018
- 2018-03-26 CN CN201820411603.4U patent/CN207947148U/en active Active
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