CN114038648A - Excitation coil capable of improving self-cooling and insulating performance - Google Patents
Excitation coil capable of improving self-cooling and insulating performance Download PDFInfo
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- CN114038648A CN114038648A CN202111457608.3A CN202111457608A CN114038648A CN 114038648 A CN114038648 A CN 114038648A CN 202111457608 A CN202111457608 A CN 202111457608A CN 114038648 A CN114038648 A CN 114038648A
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 230000005284 excitation Effects 0.000 title claims abstract description 29
- 239000000110 cooling liquid Substances 0.000 claims abstract description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000004804 winding Methods 0.000 claims abstract description 45
- 239000002826 coolant Substances 0.000 claims abstract description 41
- 239000003365 glass fiber Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 230000008676 import Effects 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000010949 copper Substances 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 abstract description 7
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 25
- 239000003921 oil Substances 0.000 description 18
- 239000011521 glass Substances 0.000 description 9
- 239000013078 crystal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
- H01F7/202—Electromagnets for high magnetic field strength
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention relates to the technical field of semiconductor monocrystalline silicon production industry, in particular to an excitation coil for improving self-cooling and insulating performance, wherein an iron core main body is cylindrical, an inner side insulating ring is arranged on the outer ring surface of the iron core, a glass fiber covered copper wire, an insulating base plate and an insulating rod are positioned on the outer ring surface of the inner side insulating ring, the glass fiber covered copper wire, the insulating base plate and the insulating rod form a winding group, the outer side insulating ring is sleeved outside the winding group, an inner cylinder is sleeved outside the outer side insulating ring, an outer cylinder is arranged outside the inner cylinder, and a cooling water cavity is formed between the inner cylinder and the outer cylinder; the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are communicated with the chamber where the winding group is located, and are used for cooling the winding group. Still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus and all communicate with the cooling water chamber, urceolus coolant liquid import and urceolus coolant liquid export are used for cooling down winding group and inner tube, effectively cool down winding group maximum through two cooling structure.
Description
Technical Field
The invention relates to the technical field of semiconductor monocrystalline silicon production industry, in particular to an excitation coil capable of improving self-cooling and insulating properties.
Background
The single crystal electromagnetic field has the following functions: in the manufacturing process of the silicon single crystal rod, the silicon single crystal plate and the like, a stable magnetic field environment is provided for the manufacturing environment, and the performance index of the material is improved. The single crystal electromagnetic field mainly comprises a yoke plate, a magnetic conduction plate, a pole head, an excitation coil, a cooling and moisture absorption system and the like; at present, the nation pays attention to the development and utilization of renewable energy sources, particularly relevant emerging industries such as high energy storage batteries and solar batteries, and monocrystalline silicon is an important part of the high energy storage batteries; it is important to provide a reliable and stable magnetic field for single crystal silicon manufacturing processes. Due to the working principle of a single crystal electromagnetic field, when the excitation coil works, the electrified copper coil can generate heat energy, and if the cooling effect is not ideal, the insulating layer in the coil can be damaged after long-time working, so that the stability of the magnetic field is damaged, and the bad effect is caused.
Disclosure of Invention
In order to solve the problems, the excitation coil capable of improving self cooling and insulating performance effectively cools the excitation coil during work, and meanwhile, the designed insulating structure improves the working stability of the coil and provides a stable and reliable magnetic field environment for the monocrystalline silicon manufacturing process.
In order to achieve the purpose, the invention adopts the technical scheme that:
an excitation coil for improving self-cooling and insulating properties comprises an iron core, an outer cylinder, an inner cylinder, a glass fiber covered copper wire, an insulating base plate, an insulating rod, an outer side insulating ring and an inner side insulating ring, wherein the iron core body is cylindrical, the inner side insulating ring is arranged on the outer ring surface of the iron core, the glass fiber covered copper wire, the insulating base plate and the insulating rod are positioned on the outer ring surface of the inner side insulating ring, a winding group is formed by the glass fiber covered copper wire, the insulating base plate and the insulating rod, the outer side insulating ring is sleeved outside the winding group, the inner cylinder is sleeved outside the outer side insulating ring, the outer cylinder is arranged outside the inner cylinder, and a cooling water cavity is formed between the inner cylinder and the outer cylinder;
the outer cylinder is provided with an inner cylinder cooling liquid inlet and an inner cylinder cooling liquid outlet, the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are both communicated with a cavity where the winding group is located, and the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are used for cooling the winding group in a cooling oil circulating mode; still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus, still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus and all communicate with the cooling water chamber, urceolus coolant liquid import and urceolus coolant liquid export are used for cooling down winding group and inner tube through the mode of circulation cooling water.
Preferably, the inner cylinder cooling liquid inlet is arranged at the top of the side wall of the outer cylinder, and the inner cylinder cooling liquid outlet is arranged at the bottom wall of the outer cylinder.
Preferably, the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are both arranged in the middle of the outer cylinder, and the connection points of the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet and the outer cylinder are symmetrically arranged around the axis of the iron core.
Preferably, the glass fiber covered copper wire is of an annular multilayer structure, an insulating base plate and a high-temperature-resistant insulating rod are arranged between two adjacent layers of glass fiber covered copper wires, and the two adjacent layers of glass fiber covered copper wires are separated from the high-temperature-resistant insulating rod through the insulating base plate.
Preferably, the surfaces of the insulating backing plate and the high-temperature resistant insulating rod are provided with insulating paint layers.
Preferably, a gap for cooling oil circulation is formed between two adjacent layers of glass fiber covered copper wires.
Preferably, the insulating rods and the insulating base plates are alternately arranged, the number of the insulating rods between different layers of glass fiber covered copper wires is the same, and the insulating rods between different layers of glass fiber covered copper wires are radially arranged at equal intervals by taking the axis of the iron core as the center.
Preferably, in the winding set, the length of the glass fiber covered copper wire and the insulating pad in the axial direction of the iron core is smaller than that of the insulating rod, and a cavity is formed between the glass fiber covered copper wire and the insulating pad and the inner end face of the inner cylinder.
Preferably, the winding set further comprises a plurality of insulating positioning plates, the main bodies of the insulating positioning plates are rectangular half bodies, installation strip grooves formed in the middle of the insulating positioning plates are linearly formed, the insulating positioning plates are installed at the end faces of the glass fiber covered copper wires and the insulating base plate, the end faces of the glass fiber covered copper wires and the insulating base plate abut against the insulating positioning plates, the insulating rods penetrate through the installation strip grooves, and the end portions of the insulating rods abut against the inner end face of the inner barrel.
Preferably, the outer insulating ring and the inner insulating ring are both high-temperature-resistant epoxy plates.
The beneficial effects of the invention are as follows:
1. this excitation coil has two cooling structures, and wherein inner tube coolant liquid import and inner tube coolant liquid export all communicate with winding group place cavity, and inner tube coolant liquid import and inner tube coolant liquid export are used for cooling down winding group through the mode of circulation cooling oil. Still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus and all communicate with the cooling water chamber, urceolus coolant liquid import and urceolus coolant liquid export are used for cooling down winding group and inner tube through the mode of circulation cooling water. The winding set is effectively cooled to the maximum degree through the double-cooling structure, namely, the winding set is effectively cooled during working, and meanwhile, the insulating structure is designed to improve the working stability of the winding set and provide a stable and reliable magnetic field environment for the manufacturing process of monocrystalline silicon.
2. In this excitation coil, through optimizing the position of inner tube coolant liquid import and inner tube coolant liquid export, through the cooperation of glass silk copper clad line, insulating backing plate and insulating rod structure and position in the winding group, make the effective glass silk copper clad line of flowing through of coolant oil, to the cooling of glass silk copper clad line in the at utmost.
3. This excitation coil is through setting up the insulating locating plate of special setting, fixes a position the insulating rod through insulating locating plate, avoids insulating rod circumferential direction to move, and insulating locating plate rigidity simultaneously can effectively support glass silk copper clad line and insulating backing plate, makes the cavity of reserving between glass silk copper clad line and insulating backing plate and the interior terminal surface of content, and this cavity is shunted and the passageway of equal oil pressure as the coolant oil, and each layer glass silk copper clad line of flowing through that makes the coolant oil equipartition improves coolant oil cooling efficiency to the utmost.
Drawings
Fig. 1 is a schematic structural view of an excitation coil for improving self-cooling and insulation performance according to the present invention.
Fig. 2 is a top perspective view of an excitation coil for improving self-cooling and insulation performance according to the present invention.
Fig. 3 is a cross-sectional view taken along a-a in fig. 2.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a schematic plan view of an excitation coil for improving self-cooling and insulation performance according to the present invention.
Fig. 6 is a sectional view of an excitation coil according to another aspect of the present invention to improve self-cooling and insulation performance.
FIG. 7 shows an excitation coil with improved self-cooling and insulation performance according to the present invention
The reference numerals include:
10-iron core, 211-inner cylinder cooling liquid inlet, 212-inner cylinder cooling liquid outlet, 213-outer cylinder cooling liquid inlet, 214-outer cylinder cooling liquid outlet, 215-wiring structure, 31-outer cylinder, 32-inner cylinder, 33-glass fiber coated copper wire, 34-insulating backing plate, 35-insulating rod, 36-insulating positioning plate, 361-plate body, 362-mounting strip groove, 37-cooling water cavity, 38A-outer insulating ring and 38B-inner insulating ring.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1-7, the present embodiment provides an excitation coil for improving self-cooling and insulation performance, including an iron core 10, an outer cylinder 31, an inner cylinder 32, a glass fiber covered copper wire 33, an insulation pad 34, an insulation rod 35, an outer insulation ring 38A and an inner insulation ring 38B, wherein the iron core 10 is cylindrical, the outer ring surface of the iron core 10 has the inner insulation ring 38B, the glass fiber covered copper wire 33, the insulation pad 34 and the insulation rod 35 are located at the outer ring surface of the inner insulation ring 38B, and the glass fiber covered copper wire 33, the insulation pad 34 and the insulation rod 35 form a winding group, the outer insulation ring 38A is sleeved outside the winding group, the inner cylinder 32 is sleeved outside the outer insulation ring 38A, the outer cylinder 31 is disposed outside the inner cylinder 32, and a cooling water cavity 37 is formed between the inner cylinder 32 and the outer cylinder 31; the outer cylinder 31 is provided with an inner cylinder 32 cooling liquid inlet 211 and an inner cylinder 32 cooling liquid outlet 212, the inner cylinder 32 cooling liquid inlet 211 and the inner cylinder 32 cooling liquid outlet 212 are both communicated with a chamber where the winding group is located, and the inner cylinder 32 cooling liquid inlet 211 and the inner cylinder 32 cooling liquid outlet 212 are used for cooling the winding group in a cooling oil circulating mode; the outer cylinder 31 is further provided with an outer cylinder 31 cooling liquid inlet 213 and an outer cylinder 31 cooling liquid outlet 214, the outer cylinder 31 is further provided with an outer cylinder 31 cooling liquid inlet 213 and an outer cylinder 31 cooling liquid outlet 214 which are both communicated with the cooling water cavity 37, and the outer cylinder 31 cooling liquid inlet 213 and the outer cylinder 31 cooling liquid outlet 214 are used for cooling the winding set and the inner cylinder 32 in a cooling water circulating mode.
Specifically, as shown in fig. 1 to 4, in this embodiment, the main body of the core 10 is cylindrical, the outer annular surface of the main body of the core 10 is covered by an annular inner insulating ring 38B, the inner insulating ring 38B serves as an insulating layer between the winding group and the core 10, the outer wall of the inner insulating ring 38B protects the winding group, the outer wall of the winding group is covered by a layer of outer insulating ring 38A, the inner cylinder 32 is sleeved outside the outer insulating ring 38A, and the outer insulating ring 38A serves as an insulating layer between the winding group and the inner cylinder 32. The outer part of the inner cylinder 32 is provided with an outer cylinder 31 which is arranged coaxially with the inner cylinder 32, the top edges and the bottom edges of the inner cylinder 32 and the outer cylinder 31 are level, an annular channel is formed between the outer cylinders 31 of the inner cylinder 32, and the top edges and the bottom edges of the inner cylinder 32 and the outer cylinder 31 are closed through an annular structure, so that a cooling water cavity 37 for containing cooling water is formed between the outer annular surface of the inner cylinder 32 and the inner ring of the outer cylinder 31. The outer cylinder 31 is provided with a cooling liquid inlet 213 of the outer cylinder 31 and a cooling liquid outlet 214 of the outer cylinder 31, the cooling liquid enters through the cooling liquid inlet 213 of the outer cylinder 31, the cooling liquid flows out from the cooling liquid outlet 214 of the outer cylinder 31, and the temperature of the inner cylinder 32 and the winding set is reduced in a liquid cooling mode. In this embodiment, the outer insulating ring 38A and the inner insulating ring 38B are both made of high temperature resistant epoxy board material, which has the advantage of high temperature resistance and can satisfy the requirement of insulating property. In this embodiment, the outer cylinder 31 is further provided with a wiring structure 215, and the wiring structure 215 is used for supplying power to the glass fiber covered copper wire 33 in the winding set.
Still be equipped with inner tube 32 coolant liquid import 211 and inner tube 32 coolant liquid export 212 on the urceolus 31, inner tube 32 coolant liquid import 211 and inner tube 32 coolant liquid export 212 all communicate with the chamber that the winding group is located, the coolant oil that carries from inner tube 32 coolant liquid import 211 flows out by inner tube 32 coolant liquid export 212 behind the winding group, absorbs a large amount of heats and carries a large amount of heats outflow inner tube 32 through the coolant oil to realize the cooling to the winding group through the liquid cooling mode.
Through foretell two cooling structure effectively to the winding furthest cooling, effectively cool down its work promptly, the insulation system of design has improved coil job stabilization nature simultaneously, provides steady, reliable magnetic field environment for monocrystalline silicon manufacturing process.
Preferably, the cooling liquid inlet 211 of the inner cylinder 32 is installed on the top of the sidewall of the outer cylinder 31, and the cooling liquid outlet 212 of the inner cylinder 32 is installed on the bottom wall of the outer cylinder 31. The arrangement scheme of the cooling liquid inlet 211 and the cooling liquid outlet 212 of the inner cylinder 32 can discharge the cooling oil with higher temperature with the maximum efficiency.
The cooling liquid inlet 213 of the outer cylinder 31 and the cooling liquid outlet 214 of the outer cylinder 31 are both installed at the middle position of the outer cylinder 31, and the connection points of the cooling liquid inlet 213 of the outer cylinder 31 and the cooling liquid outlet 214 of the outer cylinder 31 and the outer cylinder 31 are symmetrically arranged with the axial center of the iron core 10. After passing through the space between the inner cylinder 32 and the outer cylinder 31 at the cooling liquid inlet 213 of the outer cylinder 31, the cooling water needs to flow through at least half of the circumference of the outer wall of the inner cylinder 32 before being discharged, so that the cooling water has sufficient heat exchange time to achieve better heat exchange effect.
Referring to fig. 2 and 4, in the present embodiment, the glass fiber covered copper wire 33 has an annular multilayer structure, an insulating pad 34 and a high temperature resistant insulating rod 35 are installed between two adjacent layers of glass fiber covered copper wires 33, and the two adjacent layers of glass fiber covered copper wires 33 are separated from the high temperature resistant insulating rod 35 by the insulating pad 34. The surfaces of the insulating backing plate 34 and the high-temperature resistant insulating rod 35 are provided with insulating paint layers.
And a gap for circulating cooling oil is formed between two adjacent layers of glass fiber copper-clad wires 33. The insulating rods 35 and the insulating backing plates 34 are alternately arranged, the number of the insulating rods 35 between the different layers of the glass fiber covered copper wires 33 is the same, and the insulating rods 35 between the different layers of the glass fiber covered copper wires 33 are radially arranged at equal intervals by taking the axis of the iron core 10 as the center. In the winding set, the lengths of the glass-covered copper wire 33 and the insulating pad 34 in the axial direction of the core 10 are smaller than the length of the insulating rod 35, and a cavity is formed between the glass-covered copper wire 33 and the insulating pad 34 and the inner end face of the inner tube 32. The winding set further comprises a plurality of insulating positioning plates 36, the main bodies of the insulating positioning plates 36 are rectangular half bodies, installation strip grooves 362 which are formed in the middle of the insulating positioning plates are straight lines, the insulating positioning plates 36 are installed at the end faces of the glass fiber covered copper wires 33 and the insulating backing plates 34, the end faces of the glass fiber covered copper wires 33 and the insulating backing plates 34 are abutted to the insulating positioning plates 36, the insulating rods 35 penetrate through the installation strip grooves 362, and the end portions of the insulating rods 35 are abutted to the inner end face of the inner barrel 32.
As shown in fig. 2, after the top closed end plate is removed, the insulating rods 35 are seen to be arranged in a multi-layer ring shape, in this embodiment, there are 7 layers of insulating rods 35, the number of insulating rods 35 in each layer is consistent, the insulating rods 35 are all arranged at equal intervals, and the 7 layers of insulating rods 35 are all arranged in a grouping radial shape. As shown in fig. 7, the insulation positioning plate 36 is substantially a plate body 361 with a two-piece structure, the plate body 361 with the two-piece structure is partially connected, the rest part between the two-piece structure of the insulation positioning plate 36 forms a mounting strip slot 362, the insulation positioning plate 36 is sleeved on the insulating rods 35 which are arranged in a straight line through a mounting skip slot, as shown in fig. 4, the front end edge and the rear end edge of the insulation positioning plate 36 are both mounted on other structural members, so that the insulation positioning plate 36 can position the height of the glass-covered copper wire 33 and the insulating backing plate 34, and a cavity is formed between the side surface of the insulation positioning plate 36 which faces away from the winding group and the inner side surface of the end surface of the housing. The inner tube 32 cooling liquid inlet 211 and the inner tube 32 cooling liquid outlet 212 are communicated with the chamber, and convey cooling oil to the inside of the chamber.
This excitation coil is through setting up the insulating positioning board 36 of special setting, fix a position insulating rod 35 through insulating positioning board 36, avoid insulating rod 35 circumference to remove, insulating positioning board 36 rigidity simultaneously, can effectively support glass silk copper clad wire 33 and insulating backing plate 34, make the cavity of reserving between glass silk copper clad wire 33 and insulating backing plate 34 and the interior terminal surface of content, this cavity is the passageway of coolant oil reposition of redundant personnel and equal oil pressure, each layer glass silk copper clad wire 33 of flowing through that makes the coolant oil equipartition, improve coolant oil cooling efficiency in the at utmost.
The foregoing is only a preferred embodiment of the present invention, and many variations in the specific embodiments and applications of the invention may be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the claims of this patent.
Claims (10)
1. The utility model provides an improve excitation coil of self cooling and insulating properties which characterized in that: the iron core comprises an iron core, an outer cylinder, an inner cylinder, a glass fiber covered copper wire, an insulating base plate, an insulating rod, an outer insulating ring and an inner insulating ring, wherein the iron core body is cylindrical, the inner insulating ring is arranged on the outer ring surface of the iron core, the glass fiber covered copper wire, the insulating base plate and the insulating rod are positioned on the outer ring surface of the inner insulating ring, a winding group is formed by the glass fiber covered copper wire, the insulating base plate and the insulating rod, the outer insulating ring is sleeved outside the winding group, the inner cylinder is sleeved outside the outer insulating ring, the outer cylinder is arranged outside the inner cylinder, and a cooling water cavity is formed between the inner cylinder and the outer cylinder;
the outer cylinder is provided with an inner cylinder cooling liquid inlet and an inner cylinder cooling liquid outlet, the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are both communicated with a cavity where the winding group is located, and the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are used for cooling the winding group in a cooling oil circulating mode; still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus, still be equipped with urceolus coolant liquid import and urceolus coolant liquid export on the urceolus and all communicate with the cooling water chamber, urceolus coolant liquid import and urceolus coolant liquid export are used for cooling down winding group and inner tube through the mode of circulation cooling water.
2. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: the inner cylinder cooling liquid inlet is arranged at the top of the side wall of the outer cylinder, and the inner cylinder cooling liquid outlet is arranged at the bottom wall of the outer cylinder.
3. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are both arranged in the middle of the outer cylinder, and the connecting points of the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet and the outer cylinder are symmetrically arranged with the axis of the iron core.
4. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: the glass fiber covered copper wire annular multilayer structure is characterized in that an insulating base plate and a high-temperature-resistant insulating rod are arranged between two adjacent layers of glass fiber covered copper wires, and the two adjacent layers of glass fiber covered copper wires are separated from the high-temperature-resistant insulating rod through the insulating base plate.
5. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: and the surfaces of the insulating base plate and the high-temperature-resistant insulating rod are provided with insulating paint layers.
6. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: and a gap for circulating cooling oil is formed between two adjacent layers of glass fiber coated copper wires.
7. An excitation coil with high self-cooling and insulating properties as set forth in any one of claims 1 to 6, wherein: the insulating rods and the insulating base plates are alternately arranged, the number of the insulating rods between different layers of glass fiber covered copper wires is the same, and the insulating rods between the different layers of glass fiber covered copper wires are radially arranged at equal intervals by taking the axis of the iron core as the center.
8. An excitation coil with high self-cooling and insulating properties as set forth in claim 7, wherein: in the winding set, the lengths of the glass fiber covered copper wire and the insulating base plate in the axial direction of the iron core are smaller than the length of the insulating rod, and a cavity is formed between the glass fiber covered copper wire and the insulating base plate and the inner end face of the inner cylinder.
9. An excitation coil with high self-cooling and insulating properties as set forth in claim 8, wherein: the winding set further comprises a plurality of insulating positioning plates, the main bodies of the insulating positioning plates are rectangular half bodies, installation strip grooves formed in straight lines are formed in the middle of the main bodies of the insulating positioning plates, the insulating positioning plates are installed at the end faces of the glass fiber covered copper wires and the insulating base plates, the end faces of the glass fiber covered copper wires and the insulating base plates are abutted to the insulating positioning plates, the insulating rods penetrate through the installation strip grooves, and the end portions of the insulating rods are abutted to the inner end face of the inner barrel.
10. An excitation coil with high self-cooling and insulating properties as set forth in claim 1, wherein: and the outer side insulating ring and the inner side insulating ring are both high-temperature-resistant epoxy plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457608.3A CN114038648A (en) | 2021-12-01 | 2021-12-01 | Excitation coil capable of improving self-cooling and insulating performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457608.3A CN114038648A (en) | 2021-12-01 | 2021-12-01 | Excitation coil capable of improving self-cooling and insulating performance |
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| CN114038648A true CN114038648A (en) | 2022-02-11 |
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| CN202111457608.3A Pending CN114038648A (en) | 2021-12-01 | 2021-12-01 | Excitation coil capable of improving self-cooling and insulating performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013243935A (en) * | 2013-09-10 | 2013-12-05 | Honda Motor Co Ltd | Lubrication/cooling structure of electric motor |
| WO2019000802A1 (en) * | 2017-06-30 | 2019-01-03 | 广东合一新材料研究院有限公司 | Electromagnetic coil cooling system |
| CN110111986A (en) * | 2019-06-18 | 2019-08-09 | 湖南华成迈创电子科技有限公司 | A kind of cooling high-tension high-power inductance of liquid |
| CN210628006U (en) * | 2019-10-11 | 2020-05-26 | 唐山迈尼特电气有限公司 | Liquid cooling high temperature resistant hoisting electromagnet |
| CN216487536U (en) * | 2021-12-01 | 2022-05-10 | 抚顺赛瑞特环保科技有限公司 | Excitation coil capable of improving self-cooling and insulating performance |
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2021
- 2021-12-01 CN CN202111457608.3A patent/CN114038648A/en active Pending
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| WO2019000802A1 (en) * | 2017-06-30 | 2019-01-03 | 广东合一新材料研究院有限公司 | Electromagnetic coil cooling system |
| CN110111986A (en) * | 2019-06-18 | 2019-08-09 | 湖南华成迈创电子科技有限公司 | A kind of cooling high-tension high-power inductance of liquid |
| CN210628006U (en) * | 2019-10-11 | 2020-05-26 | 唐山迈尼特电气有限公司 | Liquid cooling high temperature resistant hoisting electromagnet |
| CN216487536U (en) * | 2021-12-01 | 2022-05-10 | 抚顺赛瑞特环保科技有限公司 | Excitation coil capable of improving self-cooling and insulating performance |
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