CN219658517U - Reactor iron core and reactor - Google Patents
Reactor iron core and reactor Download PDFInfo
- Publication number
- CN219658517U CN219658517U CN202321371631.5U CN202321371631U CN219658517U CN 219658517 U CN219658517 U CN 219658517U CN 202321371631 U CN202321371631 U CN 202321371631U CN 219658517 U CN219658517 U CN 219658517U
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- China
- Prior art keywords
- silicon steel
- iron core
- reactor
- core
- mounting buckle
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 33
- 241000950638 Symphysodon discus Species 0.000 claims abstract description 25
- HOQADATXFBOEGG-UHFFFAOYSA-N isofenphos Chemical compound CCOP(=S)(NC(C)C)OC1=CC=CC=C1C(=O)OC(C)C HOQADATXFBOEGG-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000008358 core component Substances 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 26
- 238000000429 assembly Methods 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000011162 core material Substances 0.000 abstract description 23
- 239000000306 component Substances 0.000 abstract description 10
- 230000002829 reductive effect Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
The utility model relates to a reactor iron core and a reactor, which comprise a discus component, wherein the discus component comprises the following components: the mounting buckle is provided with a concave groove, and a plurality of silicon steel sheets and air gap sheets are arranged in the mounting buckle and are clamped by the mounting buckle; the length of each silicon steel sheet sequentially increases from the first end to the second end of the concave groove, and the shortest silicon steel sheet clings to the first end of the concave groove; the air gap piece is narrowed in width from the direction close to the mounting buckle to the direction far away from the mounting buckle. The iron core components are assembled by the plurality of discus components along the circumferential direction, and the arrangement direction of the silicon steel sheet and the air gap sheet of each discus component is consistent clockwise. Compared with the traditional iron core with a rectangular or stepped section, the utility model can be used for filling more iron core materials under the same iron core sectional area, thereby not only improving the space utilization rate and reducing the industrial cost, but also effectively reducing the no-load loss and no-load current.
Description
Technical Field
The utility model relates to the technical field of reactors, in particular to a reactor iron core and a reactor.
Background
The reactor is widely applied to power transmission and distribution system equipment, and achieves the effect of current limiting protection by being connected in series or in parallel in a system loop; the capacitor is matched with the capacitor to play a role in inhibiting and filtering system harmonic waves, so that the electric energy quality of a power grid can be effectively improved, the loss is reduced, the power factor is improved, and the like. The traditional iron core type reactor generally adopts a plurality of iron core columns formed by stacking silicon steel sheets, iron yokes are fixed at the upper end and the lower end, and the cross section of each iron core column is generally rectangular or stepped.
In the prior art, the process is complex when the iron core outer wrapping coil with the rectangular section is wound, and the consumption of the wires wound on the iron core is increased because the circumference of the rectangle is larger than that of the circle under the same area, so that the cost of the reactor is increased. The traditional stepped section is similar to a round shape, but the filling coefficient of the iron core section is lower, the filling rate is not high, the loss is larger, the no-load current is larger, the diameter of the externally connected round shape is larger when the sectional area is the same, the consumption of the wire of the externally wrapped coil is increased, and the waste of the silicon steel sheet and the wire is caused to a certain extent.
Disclosure of Invention
Aiming at the defects existing in the related art, the utility model provides the reactor iron core and the reactor, more iron core materials can be filled under the same iron core sectional area, so that the space utilization rate is improved, the industrial cost is reduced, and the no-load loss and no-load current are effectively reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reactor core comprising a discus assembly, the discus assembly comprising:
and (3) mounting buckle: the mounting buckle is provided with a concave groove;
silicon steel sheet: the mounting buckle comprises a plurality of silicon steel sheets, wherein all the silicon steel sheets are arranged in a concave groove of the mounting buckle, the length of each silicon steel sheet sequentially grows from a first end to a second end of the concave groove, and the shortest silicon steel sheet is clung to the first end of the concave groove;
an air gap piece: the air gap piece is arranged between the longest silicon steel piece and the second end of the concave groove, and the width of the air gap piece is narrowed from the direction close to the mounting buckle to the direction far from the mounting buckle;
wherein each silicon steel sheet and each air gap sheet are clamped and connected through the mounting buckle;
the iron core assemblies are assembled by the iron disc assemblies along the circumferential direction, holes are reserved at the circle centers after assembly, and the arrangement direction of the silicon steel sheets and the air gap sheets of each iron disc assembly is consistent along the clockwise direction.
In some embodiments of the utility model, the reactor core further comprises a plurality of the core assemblies disposed in a stack, each of the core assemblies having a uniform radial dimension.
In some embodiments of the utility model, the discus assemblies in adjacent layers of the core assembly are aligned.
In some embodiments of the utility model, the alignment direction of discus assemblies in each of the core assemblies is uniform in a clockwise direction.
In some embodiments of the utility model, the air gap piece is provided with a serrated surface that is in close proximity to the longest piece of the sheet of silicon steel.
In some embodiments of the utility model, the reactor core further comprises:
the inner insulating layer surrounds and wraps the outer surface of the column body of the iron core component;
the middle layer is wrapped on the outer side surface of the inner insulating layer in a surrounding mode;
and the outer insulating layer surrounds and wraps the outer side surface of the middle layer.
In some embodiments of the utility model, the first and second ends of the intermediate layer are spaced apart to form a non-closed loop.
In some embodiments of the utility model, the intermediate layer is made of aluminum foil.
In some embodiments of the utility model, insulating plates are disposed between adjacent layers of the core assembly.
Besides, the utility model also provides a reactor which comprises the reactor iron core, and further comprises iron yokes, wherein the iron yokes are connected with the circle center of each iron core component in a penetrating way and the center of each insulating plate in a penetrating way, and bolts are arranged at the upper end and the lower end of each iron yoke.
Compared with the prior art, the utility model has the beneficial effects that:
1. the splicing of the fan-shaped discus components effectively improves the filling rate of the reactor iron core, more iron core materials can be filled in the same cross section area, and the space utilization rate is improved so that the cost is reduced.
2. The width of the air gap piece is narrowed outwards from the mounting buckle, and the cutting area of the air gap piece and the magnetic circuit of the iron core is small, so that no-load loss and no-load current of the transformer are respectively reduced.
3. The installation is detained and is provided stronger mechanical force for every fan-shaped discus subassembly becomes an entity, and mechanical strength is high, can prevent that the iron core from shifting when the transformer shakes, also is difficult to drop the loose frame during technology production, improves the security of iron core reactor operation.
4. The air gap piece is provided with a serrated surface, so that a certain buffer is provided for magnetostriction when the iron core runs, vibration is reduced, and noise is reduced; the discus assemblies of adjacent iron core assemblies are aligned and the arrangement directions are consistent, so that an air heat dissipation channel is formed between each iron core assembly, the iron core is enabled to dissipate heat better, noise is reduced, the environment is protected, and the service life of the iron core reactor is prolonged.
5. The shielding layer enables the magnetic leakage of the reactor iron core to be shielded, reduces the heating value of surrounding metal parts, and improves the insulating property and the protective capability of the product.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1a is a perspective view of a discus assembly of the present utility model;
FIG. 1b is a top view of the discus assembly of the present utility model;
FIG. 2a is a disassembled view of the core assembly of the present utility model;
fig. 2b is a perspective view of the core assembly of the present utility model;
FIG. 3 is a schematic top view of the outside surface of the core assembly column of the present utility model;
in the above figures: 1. a discus assembly; 101. installing a buckle; 102. a silicon steel sheet; 103. an air gap piece; 104. a hole; 2. an iron core assembly; 3. an inner insulating layer; 4. an intermediate layer; 401. an intermediate layer first end; 402. an intermediate layer second end; 5. an outer insulating layer.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1a, 1b and 2a, 2b, in an exemplary embodiment of the discus assembly of the present utility model, the discus assembly 1 comprises:
a mounting buckle 101 formed with a concave groove;
the plurality of silicon steel sheets 102 are arranged in the concave groove of the mounting buckle 101, the length of each silicon steel sheet sequentially increases from the first end to the second end of the concave groove, and the shortest silicon steel sheet 102 is clung to the first end of the concave groove;
an air gap piece 103 which is arranged between the longest silicon steel sheet 102 and the second end of the concave groove and is narrowed in width from the direction close to the mounting buckle to the direction far from the mounting buckle 101;
wherein each silicon steel sheet 102 and the air gap sheet 103 are clamped by the mounting buckle 101;
the iron core assemblies 2 are assembled by the iron disc assemblies 1 along the circumferential direction, the hole 104 is reserved at the center of the assembled iron core assemblies, and the arrangement direction of the silicon steel sheet 102 and the air gap sheet 103 of each iron disc assembly 1 is consistent along the clockwise direction.
In the above-mentioned exemplary embodiment, the discus component 1 is fan-shaped, a plurality of discus components 1 are spliced into the circular iron core component 2, have improved the filling rate of the reactor iron core effectively, the same cross-sectional area can pack more iron core materials, raise the space utilization rate and make the cost reduce; the width of the air gap piece 103 is narrowed outwards from the concave groove of the mounting buckle 101, and the cutting area of the air gap piece and the magnetic circuit of the iron core is small, so that no-load loss and no-load current of the transformer are respectively reduced.
In some embodiments, the mounting buckle 101 is made of nylon material, so that strong mechanical force can be provided, each fan-shaped discus component 1 is integrated, the mechanical strength is high, the iron core is prevented from shifting when the transformer vibrates, the iron core is not easy to fall off from a frame during process production, and the operation safety of the iron core reactor is improved.
In some embodiments, the reactor core includes a plurality of core assemblies 2 stacked, each core assembly 2 having a uniform radial dimension so that it can be stacked in a cylindrical configuration for industrial production and installation.
Further, discus assemblies 1 in adjacent layers of core assemblies 2 are aligned to facilitate stacking.
Further, the arrangement direction of the discus assemblies 1 in each iron core assembly 2 is consistent along the clockwise direction, so that the stability of the electrical performance of the transformer is ensured.
In some embodiments, as shown in fig. 1b, the air gap piece 103 is provided with a serrated surface, the serrated surface is closely attached to the longest piece of the silicon steel pieces 102, and a serrated gap is formed between the serrated surface and the silicon steel pieces 102, so that a certain buffer is provided for magnetostriction during the operation of the iron core, vibration is reduced, and noise is reduced. Meanwhile, the saw tooth structures between the air gap sheets 103 between the adjacent upper and lower iron core assemblies 2 are aligned, and the saw tooth gaps between the upper and lower layers form an air heat dissipation channel, so that the iron core can dissipate heat better, noise is reduced, the environment is protected, and the service life of the iron core reactor is prolonged.
As shown in fig. 3, in some embodiments, the core assembly further includes:
an inner insulating layer 3 surrounding the outer surface of the cylinder of the core assembly 2;
an intermediate layer 4 surrounding the outer side surface of the inner insulating layer 3;
an outer insulating layer 5 surrounding the outer side surface of the intermediate layer 4;
the shielding layer formed by the structure enables the magnetic leakage of the reactor iron core to be shielded, reduces the heating value of surrounding metal parts, and improves the insulating property and the protective capability of the product.
In some embodiments, the first end 401 and the second end 402 of the intermediate layer 4 are spaced apart to form a non-closed loop.
In some embodiments, the intermediate layer 4 is made of aluminum foil.
In which the intermediate layer 4 is made of a conductive material, if it is constructed in a closed loop shape like the outer insulating layer 5 and the inner insulating layer 3, a loop current is formed, and the loss and heat generation of the reactor are increased, and therefore, it is necessary to design the intermediate layer 4 in a non-closed loop shape.
In some embodiments, insulating plates are arranged between adjacent layers of core assemblies 2, so that the insulation performance of the core is further improved.
Based on the reactor iron core, the utility model further provides a reactor, and the reactor comprises the reactor iron core.
Besides the reactor iron core, the reactor iron core also comprises an iron yoke which is installed in a way of penetrating through a hole 104 connected to the center of each iron core component 2 and penetrating through the center of each insulating plate, and bolts are installed at the upper end and the lower end of the iron yoke. Meets the production specification of the industrial process and ensures the stability among all the components.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (10)
1. A reactor core comprising a discus assembly, the discus assembly comprising:
and (3) mounting buckle: the mounting buckle is provided with a concave groove;
silicon steel sheet: the mounting buckle comprises a plurality of silicon steel sheets, wherein all the silicon steel sheets are arranged in a concave groove of the mounting buckle, the length of each silicon steel sheet sequentially grows from a first end to a second end of the concave groove, and the shortest silicon steel sheet is clung to the first end of the concave groove;
an air gap piece: the air gap piece is arranged between the longest silicon steel piece and the second end of the concave groove, and the width of the air gap piece is narrowed from the direction close to the mounting buckle to the direction far from the mounting buckle;
wherein each silicon steel sheet and each air gap sheet are clamped and connected through the mounting buckle;
the iron core assemblies are assembled by the iron disc assemblies along the circumferential direction, holes are reserved at the circle centers after assembly, and the arrangement direction of the silicon steel sheets and the air gap sheets of each iron disc assembly is consistent along the clockwise direction.
2. The reactor core of claim 1, comprising a plurality of said core assemblies disposed in a stack, each of said core assemblies being of uniform radial dimensions.
3. A reactor core as claimed in claim 2, wherein said discus assemblies in adjacent layers of said core assemblies are aligned.
4. A reactor core as claimed in claim 3, wherein the alignment of discus assemblies in each of said core assemblies is uniform in a clockwise direction.
5. A reactor core as claimed in claim 1 or 2 or 3 or 4, characterized in that the air gap piece is provided with a serrated face, which is in close contact with the longest piece of the silicon steel pieces.
6. The reactor core as set forth in claim 1, further comprising:
the inner insulating layer surrounds and wraps the outer surface of the column body of the iron core component;
the middle layer is wrapped on the outer side surface of the inner insulating layer in a surrounding mode;
and the outer insulating layer surrounds and wraps the outer side surface of the middle layer.
7. The reactor core of claim 6, wherein the first and second ends of the intermediate layer are spaced apart to form a non-closed loop.
8. A reactor core according to claim 6 or 7, characterized in that the intermediate layer is made of aluminum foil.
9. A reactor core as claimed in claim 1, characterized in that insulating plates are arranged between adjacent layers of the core assembly.
10. A reactor characterized by comprising the reactor core according to any one of claims 1-9, and further comprising iron yokes penetrating through the center of each iron core assembly and the center of each insulating plate, wherein bolts are installed at the upper and lower ends of the iron yokes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371631.5U CN219658517U (en) | 2023-05-31 | 2023-05-31 | Reactor iron core and reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371631.5U CN219658517U (en) | 2023-05-31 | 2023-05-31 | Reactor iron core and reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658517U true CN219658517U (en) | 2023-09-08 |
Family
ID=87856585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321371631.5U Active CN219658517U (en) | 2023-05-31 | 2023-05-31 | Reactor iron core and reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219658517U (en) |
-
2023
- 2023-05-31 CN CN202321371631.5U patent/CN219658517U/en active Active
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