CN208298675U - For reducing the support bar of radio-frequency rector copper loss - Google Patents
For reducing the support bar of radio-frequency rector copper loss Download PDFInfo
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- CN208298675U CN208298675U CN201720703624.9U CN201720703624U CN208298675U CN 208298675 U CN208298675 U CN 208298675U CN 201720703624 U CN201720703624 U CN 201720703624U CN 208298675 U CN208298675 U CN 208298675U
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- support bar
- winding
- stem
- transverse slat
- radio
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Abstract
The utility model discloses a kind of support bar for reducing radio-frequency rector copper loss, including the stem and winding supported with support bar, it is provided with support bar in the depth direction and stem of stem and winding and the width direction of winding, the support bar is L-type support bar.The utility model no matter winding and stem depth direction or width direction, be provided with support bar., it is avoided that being separated using insulating paper by stem and winding in conventional reactor and winding internal communication internal resistance being caused to increase, heating in winding loss is serious for this, or even the phenomenon that burn.
Description
Technical field
The utility model belongs to reactor manufacturing technology field, and in particular to a kind of for reducing radio-frequency rector copper loss
Support bar.
Background technique
It is currently used for the reactor of AC-DC, DC-AC circuit occasion, it is (most of that fundamental frequency is usually no more than 650HZ
For 50HZ), the winding of matched reactor and iron core column are apart from close, once it is higher such as 1200HZ (such as DC- fundamental frequency occur
AC Frequency Drive permanent magnet synchronization motor spindle), then winding loss is very big, and temperature is very high, until burning.In the prior art, winding with
Stem depth direction is separated winding and stem using I-shaped support item, as shown in Figure 1, the depth direction is shown in AB
Direction.But winding is not separated using support bar with stem width direction, the width direction be perpendicular to depth direction, but
It is separated using insulating paper, the minimum distance d of winding inner wall to stem side is no more than 0.3mm.Gas is used between stem and stem
Gap plate separates, and at air gap, the edge magnetic line of force between two stems to external diffusion semicircle pattern to inject, since d is less than 3
The thickness (single air gap plate thickness is 0.15-3mm) of air gap plate, then the magnetic line of force passes perpendicularly through coil, and fundamental frequency is higher,
According to kelvin effect, the AC internal Resistance at winding inner wall is increased in the form of the order of magnitude.Then coil windings heating loss is special
Seriously, it or even burns.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of supports for reducing radio-frequency rector copper loss
Item, the support bar, which is arranged, can evade the influence of the semicircle magnetic line of force at air gap, in the higher situation of fundamental frequency, winding loss
Substantially without increase.
In order to solve the above technical problems, the technical solution adopted in the utility model: one kind is for reducing radio-frequency rector copper
The support bar of damage, including the stem and winding supported with support bar, it is characterised in that: and in the depth direction of stem and winding
And the width direction of stem and winding is provided with support bar, the support bar is L-type support bar.
Preferably, the L-type support bar includes transverse slat and folded plate vertical and integrally formed with transverse slat, the transverse slat
One end face is resisted against on winding, and an end face of the folded plate is resisted against on stem.
Preferably, length L > 9mm of the transverse slat, length L ' > 9mm of the folded plate.
Preferably, the length L=10mm of the transverse slat, length L '=10mm of folded plate.
The utility model has the beneficial effects that the utility model provides a kind of support for reducing radio-frequency rector copper loss
Item, no matter winding and stem depth direction or width direction, be provided with support bar.This is it is avoided that in conventional reactor
Stem and winding are separated using insulating paper on winding and stem width direction and winding internal communication internal resistance is caused to increase, around
The phenomenon that it is serious to organize heating loss, or even burns.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of reactor in traditional handicraft；
Fig. 2 is the structural schematic diagram of reactor in embodiment 1；
Fig. 3 is the cross-sectional view of support bar in embodiment 1.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
A kind of support bar for reducing radio-frequency rector copper loss, as shown in Figures 2 and 3, including the core supported with support bar
Column 1 and winding 2 are provided with support bar 3 in the depth direction and stem of stem 1 and winding 2 and the width direction of winding,
And the support bar is L-type support bar.It should be noted that the depth direction of stem and winding is the direction CD in figure, perpendicular to CD
Direction be stem and winding width direction.In present design, no matter winding and stem depth direction or width
Direction is spent, support bar 3 is provided with.In this kind of scheme, entire winding is square coil, between winding internal resistance and stem side most
Small distance is also unlikely to too short, avoid in conventional reactor winding and stem use in the direction of the width insulating paper by stem with around
Group separates and winding internal communication internal resistance is caused to increase, and heating in winding loss is serious, or even the phenomenon that burn.
In the present embodiment, L-type support bar includes transverse slat 3.1 and folded plate 3.2 vertical and integrally formed with transverse slat, L-type
The cross-sectional view of support bar as shown in figure 3, wherein an end face 3.1.1 of transverse slat 3.1 is resisted against on winding 2, folded plate 3.2
One end face 3.2.1 is resisted against on stem 1, is separated stem 1 and winding 2 by transverse slat 3.1 and folded plate 3.2.
In order to avoid kelvin effect, distance d is at least the thickness of 3 air gap plates between winding inner wall and stem side, usually
The thickness range of the air gap plate of setting is 0.15~3mm, therefore length L > 9mm of transverse slat, and length L ' > 9mm of folded plate, this is just protected
The distance between winding inner wall and stem side d > 9mm are demonstrate,proved, i.e. d is greater than the thickness of 3 air gap plates.In the present embodiment, setting is horizontal
The length L=10mm of plate, length L '=10mm of folded plate.The length is the most suitable, this kind of support bar is arranged and had both been avoided that collection skin
Effect, moreover it is possible to save labor and materials.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (2)
1. a kind of support bar for reducing radio-frequency rector copper loss, special including the stem and winding supported with support bar
Sign is: being provided with support bar, the support in the depth direction and stem of stem and winding and the width direction of winding
Item is L-type support bar, and the L-type support bar includes transverse slat and folded plate vertical and integrally formed with transverse slat, the transverse slat
One end face is resisted against on winding, and an end face of the folded plate is resisted against on stem, length L > 9mm of the transverse slat, the folded plate
Length L ' > 9mm.
2. according to claim 1 for reducing the support bar of radio-frequency rector copper loss, it is characterised in that: the length of the transverse slat
Spend L=10mm, length L '=10mm of folded plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703624.9U CN208298675U (en) | 2017-06-16 | 2017-06-16 | For reducing the support bar of radio-frequency rector copper loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703624.9U CN208298675U (en) | 2017-06-16 | 2017-06-16 | For reducing the support bar of radio-frequency rector copper loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208298675U true CN208298675U (en) | 2018-12-28 |
Family
ID=64696699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720703624.9U Active CN208298675U (en) | 2017-06-16 | 2017-06-16 | For reducing the support bar of radio-frequency rector copper loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208298675U (en) |
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2017
- 2017-06-16 CN CN201720703624.9U patent/CN208298675U/en active Active
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