CN209388832U - Iron core, phase-shifting rectifier transformer and frequency converter - Google Patents
Iron core, phase-shifting rectifier transformer and frequency converter Download PDFInfo
- Publication number
- CN209388832U CN209388832U CN201920344239.9U CN201920344239U CN209388832U CN 209388832 U CN209388832 U CN 209388832U CN 201920344239 U CN201920344239 U CN 201920344239U CN 209388832 U CN209388832 U CN 209388832U
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- Prior art keywords
- iron core
- iron
- yoke
- piece
- stem
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 229910052742 iron Inorganic materials 0.000 claims abstract description 53
- 238000003475 lamination Methods 0.000 claims description 41
- 239000010410 layer Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 8
- 238000003032 molecular docking Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 241001325280 Tricardia watsonii Species 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
It includes two iron yokes and three stems arranged in parallel that the utility model, which provides a kind of iron core, a kind of phase-shifting rectifier transformer and a kind of frequency converter, the iron core, and described two iron yokes are parallel to each other, and is spaced setting.Three stems are sequentially arranged at intervals, and described two iron yokes are located at the both ends of the stem, and the cross section of the iron yoke is rectangular.The iron core, phase-shifting rectifier transformer and frequency converter of the utility model can control the height of iron core, meet the demand of the limitation iron core height of client, advantageously reduce the height of entire frequency converter.
Description
Technical field
The utility model relates to converter technology field, especially a kind of iron core, a kind of phase-shifting rectifier transformer and a kind of change
Frequency device.
Background technique
Medium-high voltage frequency converter has a wide range of applications in industrial circle, and phase-shifting rectifier transformer is one kind exclusively for mesohigh
The device of frequency converter offer poly phase rectification power supply.Iron core is the critical elements of phase-shifting rectifier transformer.Fig. 1 is a kind of existing iron
The structural schematic diagram of core, Fig. 2 are the cross section signal of the yoke in yoke, stem and second of the iron yoke of iron core shown in FIG. 1, first
Figure, referring to Figure 1 and Fig. 2, existing iron core 100 include two iron yokes 101, first yoke in yoke 102, stem 103 and second
104, the cross section of the yoke 104 in yoke 102, stem 103 and second of iron yoke 101, first is generally circular.There is height limitation
Phase-shifting rectifier transformer design in, the structure of existing iron core 100, be unfavorable for entire frequency converter height control.
Utility model content
In view of this, the purpose of this utility model is that proposing a kind of iron core, a kind of phase-shifting rectifier transformer and a kind of change
Frequency device can control the height of iron core, meets the demand of the limitation iron core height of client, advantageously reduces the height of entire frequency converter
Degree.
The utility model proposes a kind of iron cores comprising two iron yokes and three stems arranged in parallel, described two
A iron yoke is parallel to each other, and is spaced setting.Three stems are sequentially arranged at intervals, and described two iron yokes are located at the heart
The both ends of column, the cross section of the iron yoke are rectangular.
In a kind of illustrative examples of iron core, the cross section of the iron yoke is rectangle.
In a kind of illustrative examples of iron core, the cross section of the iron yoke is square.
In a kind of illustrative examples of iron core, the iron core is stacked by multiple lamination layers.
In a kind of illustrative examples of iron core, each lamination layer includes upper yoke piece, lower yoke piece and three stems
Piece, the upper yoke piece and the lower yoke piece are parallel to each other and are spaced setting, and three stem pieces are parallel to each other and are spaced
Setting, the upper yoke piece and the lower yoke piece are located at the both ends of the stem piece.
In a kind of illustrative examples of iron core, the upper yoke piece and the lower yoke piece in same lamination layer
Length is different, and of same size, the size of the stem piece in same lamination layer is identical.
In a kind of illustrative examples of iron core, the length difference of the lower yoke piece and the upper yoke piece is equal to two
The sum of the width of the stem piece.
The utility model also provides a kind of phase-shifting rectifier transformer comprising any one of the above iron core.
The utility model provides a kind of frequency converter again comprising above-mentioned phase-shifting rectifier transformer.
In the iron core, phase-shifting rectifier transformer and frequency converter of the utility model, three stems of iron core successively row of interval
Column, two iron yokes are located at the both ends of stem, the cross section of iron yoke be it is rectangular, cross section is rectangular iron yoke relative to existing
Cross section is circular iron yoke in technology, and in the case where guaranteeing the identical situation of iron yoke cross-sectional area, rectangular iron yoke can reduce iron
The piece molded dimension of yoke, so that the whole height of iron core is reduced, to meet the demand of the limitation iron core height of client.
Detailed description of the invention
The preferred embodiment of the utility model will be described in detail by referring to accompanying drawing below, make the ordinary skill people of this field
Member becomes apparent from the above and other feature and advantage of the utility model, in attached drawing:
Fig. 1 is a kind of structural schematic diagram of existing iron core.
Fig. 2 is the cross-sectional view of the yoke in yoke, stem and second of the iron yoke of iron core shown in FIG. 1, first.
Fig. 3 is the structural schematic diagram of the iron core of an embodiment of the present invention.
Fig. 4 is the cross-sectional view of the iron yoke of iron core shown in Fig. 3.
Fig. 5 is the cross-sectional view of the stem of iron core shown in Fig. 3.
Fig. 6 is the schematic diagram of the minimum lamination layer of iron core shown in Fig. 3.
Fig. 7 is the schematic diagram of the maximum lamination layer of iron core shown in Fig. 3.
In above-mentioned attached drawing, used appended drawing reference is as follows:
The prior art
100 iron cores
101 iron yokes
102 first side yokes
103 stems
104 second side yokes
The utility model
10 iron cores
12 lamination layers
20 iron yokes
22 upper yoke pieces
23 lower yoke pieces
30 stems
32 stem pieces
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, by the following examples to the utility model
It is further described.
Fig. 3 is the structural schematic diagram of the iron core of an embodiment of the present invention, and Fig. 4 is the iron yoke of iron core shown in Fig. 3
Cross-sectional view, refers to Fig. 3 and Fig. 4, and the iron core 10 of the present embodiment includes upper yoke and three hearts arranged in parallel
Column 30, two iron yokes 20 are parallel to each other, and are spaced setting;Three stems 30 are sequentially arranged at intervals, and two iron yokes 20 are located at
The both ends of stem 30, the cross section of iron yoke 20 are rectangular.
More specifically, in the present embodiment, the cross section of iron yoke 20 is rectangle, but the utility model is not limited,
The cross section of iron yoke 20 can be also square, and be set according to actual conditions.Fig. 5 is that the cross section of the stem of iron core shown in Fig. 3 shows
It is intended to, refers to Fig. 5, the cross section of stem 30 is generally circular.
Fig. 6 is the schematic diagram of the minimum lamination layer of iron core shown in Fig. 3, and Fig. 7 is the maximum lamination layer of iron core shown in Fig. 3
Schematic diagram, refer to Fig. 6, Fig. 7 and Fig. 1, iron core 10 is stacked by multiple lamination layers 12.Each lamination layer 12 includes upper iron
Yoke piece 22, lower yoke piece 23 and three stem pieces 32, upper yoke piece 22 and lower yoke piece 23 are parallel to each other and are spaced setting, and three
Stem 30 is parallel to each other and is spaced setting, and upper yoke piece 22 and lower yoke piece 23 are located at the both ends of stem 30.It is same folded
Upper yoke piece 22 in lamella 12 is different with the length of lower yoke piece 23, of same size, the stem piece 32 in same lamination layer
Size is identical.In figure 6 and figure 7, the length of lower yoke piece 23 is greater than the length of upper yoke piece 22, and lower yoke piece 23 and upper iron
The length difference of yoke piece 22 is equal to the sum of the width of two stem pieces 32.
The structure of yoke piece 22 and size are complete in minimum lamination layer 12 shown in fig. 6 and maximum lamination layer 12 shown in Fig. 7
Exactly the same, the width of the stem piece 32 in minimum lamination layer 12 is less than the width of the stem piece 32 in maximum lamination layer 12.Iron core
10 further include multiple intermediate sizes lamination layers, and the width of the stem piece 32 in intermediate sizes lamination layer is greater than in minimum lamination layer 12
Stem piece 32 width, and the width for the stem piece 32 being less than in maximum lamination layer 12.Please also refer to Fig. 5, it is different in
Between stem piece 32 in size lamination layer 12 it is of different size, the cross section that all stem pieces 32 are stacked up is i.e. substantially round
Shape.Maximum lamination layer 12 is located at the center of iron core 10.
In Fig. 6 and Fig. 7 lamination layer 12,32 flush with each other of stem piece of two sides, intermediate stem in three stem pieces 32
Piece 32 and the stem piece 32 of two sides are staggered at a distance from 20 width of iron yoke.
When stacking multiple lamination layers 12 to form iron core 10, first one first lamination layer 12 is placed on mounting platform, is connect
, a second lamination layer 12 is configured in the first lamination layer 12, and the setting direction of second lamination layer 12 and the first lamination layer
12 setting direction is different, and the setting direction of second lamination layer 12 is that the first lamination layer 12 is overturn 180 degree.Then, it then stacks
One third lamination layer 12, so analogizes, and after the completion of stacking, all lamination layers 12 are fixed with fastener.
It should be noted that iron core 10 is using without silicon steel sheet and heart type structure form is taken, the piece type of iron yoke 20 includes two kinds,
Respectively upper yoke piece 22 and lower yoke piece 23, each lamination of iron yoke 20 and stem 30 are docked, i.e. phase using direct seam
Adjacent lamination layer 12 configures direction difference, and directly stitching docking mode can realize at good docking between different in width lamination layer 12
Reason, is conducive to improve the stability of 10 structure of iron core.
In the identical situation in 20 cross section of iron yoke, the use of the iron yoke 20 of square cross section can reduce the entirety of iron core
Highly, the energy density of complete machine is improved.
The utility model also provides a kind of phase-shifting rectifier transformer, and the phase-shifting rectifier transformer includes above-mentioned iron core
10。
In addition, the utility model also provides a kind of frequency converter, the frequency converter includes above-mentioned phase-shifting rectifier transformer.
The iron core, phase-shifting rectifier transformer and frequency converter of the utility model at least have the advantage that
1. three stems of iron core are successively spaced in the iron core, phase-shifting rectifier transformer and frequency converter of the utility model
Arrangement, two iron yokes are located at the both ends of stem, the cross section of iron yoke be it is rectangular, cross section is rectangular iron yoke relative to existing
Having cross section in technology is circular iron yoke, and in the case where guaranteeing the identical situation of iron yoke cross-sectional area, rectangular iron yoke can reduce
The piece molded dimension of iron yoke, so that the whole height of iron core is reduced, to meet the demand of the limitation iron core height of client.
2. in the embodiment in the iron core, phase-shifting rectifier transformer and frequency converter of the utility model, iron yoke and stem
It is docked by the way of directly stitching, can realize good docking processing in different in width lamination interlayer, be conducive to improve
The stability of core structure.
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 scope within.
Claims (9)
1. iron core (10) characterized by comprising
Two iron yokes (20), are parallel to each other, and are spaced setting;
Three stems (30) arranged in parallel, wherein three stems (30) are sequentially arranged at intervals, described two iron yokes
(20) both ends of the stem (30) are located at, the cross section of the iron yoke (20) is rectangular.
2. iron core (10) as described in claim 1, which is characterized in that the cross section of the iron yoke (20) is rectangle.
3. iron core (10) as described in claim 1, which is characterized in that the cross section of the iron yoke (20) is square.
4. iron core (10) as described in claim 1, which is characterized in that the iron core (10) by multiple lamination layers (12) stack and
At.
5. iron core (10) as claimed in claim 4, which is characterized in that each lamination layer (12) include upper yoke piece (22), under
Yoke piece (23) and three stem pieces (32), the upper yoke piece (22) and the lower yoke piece (23) are parallel to each other and are spaced and set
It sets, three stem pieces (32) are parallel to each other and are spaced setting, the upper yoke piece (22) and the lower yoke piece (23) point
Not Wei Yu the stem piece (32) both ends.
6. iron core (10) as claimed in claim 5, which is characterized in that the upper yoke piece (22) in same lamination layer (12)
It is different with the length of the lower yoke piece (23), of same size, the size of the stem piece (32) in same lamination layer (12)
It is identical.
7. iron core (10) as claimed in claim 6, which is characterized in that the lower yoke piece (23) and the upper yoke piece (22)
Length difference be equal to two stem pieces (32) the sum of width.
8. phase-shifting rectifier transformer, which is characterized in that including iron core as claimed in any of claims 1 to 7 in one of claims (10).
9. frequency converter, which is characterized in that including phase-shifting rectifier transformer as claimed in claim 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920344239.9U CN209388832U (en) | 2019-03-18 | 2019-03-18 | Iron core, phase-shifting rectifier transformer and frequency converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920344239.9U CN209388832U (en) | 2019-03-18 | 2019-03-18 | Iron core, phase-shifting rectifier transformer and frequency converter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209388832U true CN209388832U (en) | 2019-09-13 |
Family
ID=67854695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920344239.9U Active CN209388832U (en) | 2019-03-18 | 2019-03-18 | Iron core, phase-shifting rectifier transformer and frequency converter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209388832U (en) |
-
2019
- 2019-03-18 CN CN201920344239.9U patent/CN209388832U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 200137 No.460, Gaoxiang Ring Road, Gaodong Industrial Park, Pudong New Area, Shanghai Patentee after: Yinmengda (Shanghai) Electrical Transmission Equipment Co.,Ltd. Country or region after: China Address before: 200137 No.460, Gaoxiang Ring Road, Gaodong Industrial Park, Pudong New Area, Shanghai Patentee before: SIEMENS ELECTRICAL DRIVES (SHANGHAI) Ltd. Country or region before: China |
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CP03 | Change of name, title or address |