CN114038648B - 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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- CN114038648B CN114038648B CN202111457608.3A CN202111457608A CN114038648B CN 114038648 B CN114038648 B CN 114038648B CN 202111457608 A CN202111457608 A CN 202111457608A CN 114038648 B CN114038648 B CN 114038648B
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- 238000001816 cooling Methods 0.000 title claims abstract description 62
- 230000005284 excitation Effects 0.000 title claims abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims abstract description 71
- 238000004804 winding Methods 0.000 claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000003365 glass fiber Substances 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 20
- 239000003921 oil Substances 0.000 description 19
- 239000002826 coolant Substances 0.000 description 16
- 239000011521 glass Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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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 outer annular surface of the iron core is provided with an inner insulating ring, a glass fiber covered copper wire, an insulating base plate and an insulating rod are positioned at the outer annular surface of the inner insulating ring, the glass fiber covered copper wire, the insulating base plate and the insulating rod form a winding group, the outer insulating ring is sleeved outside the winding group, an inner cylinder is sleeved outside the outer 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 a cavity where the winding group is located, and are used for cooling the winding group. The outer cylinder is also provided with an outer cylinder cooling liquid inlet and an outer cylinder cooling liquid outlet which are communicated with the cooling water cavity, and the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are used for cooling the winding groups and the inner cylinder, and the winding groups are cooled to the greatest extent through the double cooling structure.
Description
Technical Field
The invention relates to the technical field of semiconductor monocrystalline silicon production industry, in particular to an exciting coil capable of improving self cooling and insulating properties.
Background
The action of the single crystal electromagnetic field is: in the manufacturing process of single crystal silicon rods, single crystal silicon plates 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 absorbing system and the like; the country is now very concerned with the development and utilization of renewable energy sources, especially the related emerging industries such as high energy storage batteries, solar batteries and the like, and monocrystalline silicon is an important part of the renewable energy sources; it is important to provide a reliable and stable magnetic field in the single crystal silicon manufacturing process. Because of the working principle of the single-crystal electromagnetic field, when the exciting coil works, the electrified copper coil can generate heat energy, if the cooling does not reach the ideal effect, the insulating layer inside the coil can be damaged after long-time working, so that the stability of the magnetic field is damaged, and adverse effects are caused.
Disclosure of Invention
In order to solve the problems, the exciting coil with improved self cooling and insulating performance is capable of effectively cooling the coil during operation, and meanwhile, the designed insulating structure improves the working stability of the coil, so that a stable and reliable magnetic field environment is provided for the monocrystalline silicon manufacturing process.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides an improve self cooling and insulating properties's excitation coil, includes iron core, urceolus, inner tube, glass silk package copper line, insulating backing plate, insulating stick, outside insulating ring and inboard insulating ring, wherein, the iron core main part is cylindric, and the outer annular of iron core has inboard insulating ring, glass silk package copper line, insulating backing plate and insulating stick are located inboard insulating ring outer ring face department, and glass silk package copper line, insulating backing plate and insulating stick form the wire winding group, outside insulating ring suit is in the outside of wire winding group, the inner tube suit is in the outside of outside insulating ring, and the urceolus sets up in the outside of inner tube, forms the cooling water cavity between inner tube and the urceolus;
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 communicated with a cavity where the winding groups are located, and the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are used for cooling the winding groups in a mode of circulating cooling oil; the outer cylinder is also provided with an outer cylinder cooling liquid inlet and an outer cylinder cooling liquid outlet, the outer cylinder is also provided with an outer cylinder cooling liquid inlet and an outer cylinder cooling liquid outlet which are both communicated with the cooling water cavity, and the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are used for cooling the winding groups and the inner cylinder in a cooling water circulation mode.
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 at the middle part 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 with the axle center of the iron core.
Preferably, the glass fiber covered copper wire is of an annular multi-layer 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 insulating backing plate and the surface of the high-temperature-resistant insulating rod are provided with insulating paint layers.
Preferably, a gap for cooling oil circulation is arranged between the two adjacent layers of glass fiber reinforced plastic copper clad wires.
Preferably, the insulating rods and the insulating base plates are alternately arranged, the number of the insulating rods among the glass fiber covered copper wires of different layers is the same, and the insulating rods among the glass fiber covered copper wires of different layers are radially arranged at equal intervals by taking the axle center of the iron core as the center.
Preferably, in the winding group, lengths of the glass fiber covered copper wire and the insulating backing plate in the axial direction of the iron core are smaller than those of the insulating rod, and a cavity is formed between the glass fiber covered copper wire and the insulating backing plate and the inner end face of the inner cylinder.
Preferably, the winding group further comprises a plurality of insulating positioning plates, the main body of each insulating positioning plate is a rectangular half body, the middle of each insulating positioning plate is provided with a straight line-formed mounting strip groove, each insulating positioning plate is arranged at the end faces of the glass fiber covered copper wire and the insulating base plate, the end faces of the glass fiber covered copper wire and the insulating base plate are abutted to the insulating positioning plates, the insulating rods penetrate through the mounting strip grooves, and the end parts of the insulating rods are abutted to the inner end faces of the inner cylinders.
Preferably, the outer insulating ring and the inner insulating ring are both high-temperature-resistant epoxy plates.
The beneficial effects of using the invention are as follows:
1. The exciting coil has a double-cooling structure, wherein an inner cylinder cooling liquid inlet and an inner cylinder cooling liquid outlet are communicated with a cavity where a 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 mode of circulating cooling oil. The outer cylinder is also provided with an outer cylinder cooling liquid inlet and an outer cylinder cooling liquid outlet which are both communicated with the cooling water cavity, and the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are used for cooling the winding group and the inner cylinder in a cooling water circulation mode. The coil is cooled to the maximum extent through the double cooling structure, namely the coil is cooled effectively in the working process, and meanwhile, the designed insulation structure improves the working stability of the coil and provides a stable and reliable magnetic field environment for the monocrystalline silicon manufacturing process.
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 wire winding group, make the cooling oil effectively flow through glass silk copper-clad line, furthest is cooled down glass silk copper-clad line.
3. This exciting coil is through setting up the insulating locating plate of special setting, through insulating locating plate to insulating stick location, avoids insulating stick circumference to remove, insulating locating plate fixed position simultaneously, can effectively support glass silk copper-clad line and insulating backing plate, makes between glass silk copper-clad line and insulating backing plate and the terminal surface in the content keep the cavity, and this cavity is as the passageway of cooling oil reposition of redundant personnel and equal oil pressure, makes the cooling oil can the equipartition flow through each layer glass silk copper-clad line, improves cooling oil cooling efficiency in the at utmost.
Drawings
Fig. 1 is a schematic diagram of the structure of an exciting coil of the present invention for improving self-cooling and insulation properties.
Fig. 2 is a top perspective view of the field coil of the present invention with improved self-cooling and insulation.
Fig. 3 is a cross-sectional view taken along A-A in fig. 2.
Fig. 4 is a partial enlarged view of fig. 3 at B.
Fig. 5 is a schematic plan view of the exciting coil of the present invention for improving its cooling and insulation properties.
Fig. 6 is a cross-sectional view of another view of the field coil of the present invention for improving its cooling and insulation properties.
FIG. 7 shows an exciting coil with improved self-cooling and insulation properties
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 covered copper wire, 34-insulating base 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 objects, technical solutions and advantages of the present technical solution more apparent, the present technical solution is further described in detail below in conjunction with the specific embodiments. It should be understood that the description is only illustrative and is not intended to limit the scope of the present technical solution.
As shown in fig. 1-7, this embodiment proposes an excitation coil for improving self cooling and insulation performance, which includes 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 of the iron core 10 has an 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 of the inner insulation ring 38B, 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 arranged 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 communicated with a cavity 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 circulation mode; the outer cylinder 31 is also provided with an outer cylinder 31 cooling liquid inlet 213 and an outer cylinder 31 cooling liquid outlet 214, the outer cylinder 31 is also 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 group and the inner cylinder 32 in a cooling water circulation mode.
Specifically, as shown in fig. 1-4, in this embodiment, the main body of the iron core 10 is cylindrical, the outer ring of the main body of the iron core 10 covers an annular inner insulating ring 38B, the inner insulating ring 38B plays a role in insulating the winding set and the iron core 10, the outer wall of the inner insulating ring 38B protects the winding set, the outer wall of the winding set is further covered with an outer insulating ring 38A, the outer part of the outer insulating ring 38A is sleeved with an inner cylinder 32, and the outer insulating ring 38A plays a role in insulating the winding set and the inner cylinder 32. The outside of inner tube 32 is provided with the urceolus 31 that sets up with inner tube 32 is coaxial, and the top edge and the bottom edge level of inner tube 32 and urceolus 31 are high parallel and level, form annular channel between the urceolus 31 of inner tube 32, seals through annular structure between inner tube 32 and the top edge and the bottom edge of urceolus 31 for form the cooling water cavity 37 that holds the cooling water between the outer anchor of inner tube 32 and the inner anchor of urceolus 31. The outer tube 31 is provided with an outer tube 31 coolant inlet 213 and an outer tube 31 coolant outlet 214, and the outer tube 31 coolant inlet 213 allows the coolant to enter, the outer tube 31 coolant outlet 214 allows the coolant to flow out, and the liquid cooling reduces the temperature of the inner tube 32 and the winding set. In this embodiment, the outer insulating ring 38A and the inner insulating ring 38B are made of high temperature resistant epoxy board, which has the advantage of high temperature resistance and can meet the requirement of insulating property. In this embodiment, the outer tube 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 group.
The outer cylinder 31 is further 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 cavity where the winding group is located, cooling oil conveyed from the inner cylinder 32 cooling liquid inlet 211 flows out from the inner cylinder 32 cooling liquid outlet 212 after passing through the winding group, a large amount of heat is absorbed by the cooling oil, and a large amount of heat is carried by the cooling oil to flow out of the inner cylinder 32, so that the winding group is cooled in a liquid cooling mode.
The double cooling structure is used for effectively cooling the winding groups to the greatest extent, namely effectively cooling the winding groups in the working process, and meanwhile, the designed insulation structure improves the working stability of the coil and provides a stable and reliable magnetic field environment for the monocrystalline silicon manufacturing process.
Preferably, the inner cylinder 32 coolant inlet 211 is mounted on top of the side wall of the outer cylinder 31, and the inner cylinder 32 coolant outlet 212 is mounted at the bottom wall of the outer cylinder 31. The arrangement of the inner cylinder 32 cooling fluid inlet 211 and the inner cylinder 32 cooling fluid outlet 212 can discharge cooling oil with higher temperature at maximum efficiency.
The outer cylinder 31 coolant inlet 213 and the outer cylinder 31 coolant outlet 214 are both installed at the middle position of the outer cylinder 31, and the connection points of the outer cylinder 31 coolant inlet 213 and the outer cylinder 31 coolant outlet 214 and the outer cylinder 31 are symmetrically arranged with the axis of the iron core 10. After cooling water flows 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 can be discharged after flowing through the circumference of at least half of the outer wall of the inner cylinder 32, so that the cooling water has sufficient heat exchange time to achieve a good heat exchange effect.
Referring to fig. 2 and 4, in this embodiment, the glass fiber covered copper wire 33 has a ring-shaped multi-layer 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 insulating backing plate 34 and the surface of the high temperature resistant insulating rod 35 are provided with insulating paint layers.
A gap for cooling oil to circulate is provided between the adjacent two layers of glass fiber covered copper wires 33. The insulating rods 35 and the insulating base plates 34 are alternately arranged, the number of the insulating rods 35 among the different layers of glass fiber covered copper wires 33 is the same, and the insulating rods 35 among the different layers of glass fiber covered copper wires 33 are radially arranged at equal intervals by taking the axle center of the iron core 10 as the center. In the winding group, lengths of the glass fiber covered copper wire 33 and the insulating pad 34 in the axial direction of the core 10 are smaller than lengths of the insulating rod 35, and a chamber is formed between the glass fiber covered copper wire 33 and the insulating pad 34 and the inner end surface of the inner tube 32. The winding group further comprises a plurality of insulating positioning plates 36, the main body of the insulating positioning plates 36 is a rectangular half body, the middle part of the insulating positioning plates is provided with a mounting strip groove 362 which is formed in a straight line, the insulating positioning plates 36 are arranged at the end faces of the glass fiber covered copper wires 33 and the insulating base plates 34, the end faces of the glass fiber covered copper wires 33 and the insulating base plates 34 are abutted to the insulating positioning plates 36, the insulating rods 35 penetrate through the mounting strip groove 362, and the end parts of the insulating rods 35 are abutted to the inner end faces of the inner cylinders 32.
As shown in fig. 2, if the top closed end plate is removed, it can be seen that the insulating rods 35 are arranged in multiple layers in a ring shape, in this embodiment, the insulating rods 35 have 7 layers, the number of insulating rods 35 in each layer is identical, the insulating rods 35 are all arranged at equal intervals, and meanwhile, the insulating rods 35 in 7 layers are all arranged in groups in a radial manner. As shown in fig. 7, the insulating positioning plate 36 is a plate body 361 with a two-plate structure, the plate bodies 361 with two-plate structures are partially connected, mounting grooves 362 are formed at other positions between the two-plate structures of the insulating positioning plate 36, the insulating positioning plate 36 is sleeved on the insulating rods 35 which are arranged in a straight line through the mounting grooves, and as shown in fig. 4, the front end edge and the rear end edge of the insulating positioning plate 36 are mounted on other structural members, so that the insulating positioning plate 36 can position the heights of the glass fiber covered copper wires 33 and the insulating base plate 34, and a cavity is formed between the surface of the insulating positioning plate 36 facing away from the winding group and the inner side surface of the shell. The inner cylinder 32 coolant inlet 211 and the inner cylinder 32 coolant outlet 212 communicate with the chamber and deliver cooling oil to the chamber interior.
This exciting coil is through setting up the insulating locating plate 36 of special setting, through insulating locating plate 36 to insulating rod 35 location, avoid insulating rod 35 circumference to remove, insulating locating plate 36 fixed in position simultaneously, can effectively support glass silk copper-clad line 33 and insulating backing plate 34, make between glass silk copper-clad line 33 and insulating backing plate 34 and the terminal surface in the content remain the cavity, this cavity is as the passageway of cooling oil reposition of redundant personnel and equal oil pressure, make the cooling oil equipartible flow through each layer glass silk copper-clad line 33, furthest improves cooling oil cooling efficiency.
The foregoing is merely exemplary of the present invention, and those skilled in the art can make many variations in the specific embodiments and application scope according to the spirit of the present invention, as long as the variations do not depart from the spirit of the invention.
Claims (8)
1. An excitation coil for improving self cooling and insulating properties, which is characterized in that: the glass fiber reinforced plastic composite 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 outer ring surface of the iron core is provided with the inner insulating ring, the glass fiber covered copper wire, the insulating base plate and the insulating rod are positioned at the outer ring surface of the inner insulating ring, the glass fiber covered copper wire, the insulating base plate and the insulating rod form a winding group, 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 communicated with a cavity where the winding groups are located, and the inner cylinder cooling liquid inlet and the inner cylinder cooling liquid outlet are used for cooling the winding groups in a mode of circulating cooling oil; the outer cylinder is also provided with an outer cylinder cooling liquid inlet and an outer cylinder cooling liquid outlet which are communicated with the cooling water cavity, and the outer cylinder cooling liquid inlet and the outer cylinder cooling liquid outlet are used for cooling the winding group and the inner cylinder in a cooling water circulation mode;
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;
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 with the axis of the iron core.
2. The exciting coil for improving self-cooling and insulating properties according to claim 1, wherein: the annular multilayer structure of glass fiber copper-clad wires is characterized in that an insulating base plate and a high-temperature-resistant insulating rod are arranged between two adjacent layers of glass fiber copper-clad wires, and the two adjacent layers of glass fiber copper-clad wires are separated from the high-temperature-resistant insulating rod through the insulating base plate.
3. The exciting coil for improving self-cooling and insulating properties according to claim 1, wherein: the insulating backing plate and the surface of the high-temperature resistant insulating rod are provided with insulating paint layers.
4. The exciting coil for improving self-cooling and insulating properties according to claim 1, wherein: gaps for cooling oil circulation are formed between two adjacent layers of glass fiber copper-clad wires.
5. The exciting coil for improving self-cooling and insulating property according to any one of claims 1 to 4, wherein: the insulating rods and the insulating base plates are alternately arranged, the quantity of the insulating rods among the different layers of glass fiber covered copper wires is the same, and the insulating rods among the different layers of glass fiber covered copper wires are radially arranged at equal intervals by taking the axle center of the iron core as the center.
6. The exciting coil for improving self-cooling and insulating property according to claim 5, wherein: in the winding group, 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 inner end surface of the insulating base plate and the inner end surface of the inner cylinder.
7. The exciting coil for improving self-cooling and insulating property according to claim 6, wherein: the winding group further comprises a plurality of insulating locating plates, the main body of each insulating locating plate is a rectangular half body, the middle of each insulating locating plate is provided with a straight line-formed mounting strip groove, each insulating locating plate is arranged at the end faces of the glass fiber covered copper wire and the insulating base plate, the end faces of the glass fiber covered copper wire and the insulating base plate are abutted to each insulating locating plate, each insulating rod penetrates through each mounting strip groove, and the end parts of the insulating rods are abutted to the inner end faces of the inner cylinders.
8. The exciting coil for improving self-cooling and insulating properties according to claim 1, wherein: the outer insulating ring and the inner insulating ring are both high-temperature-resistant epoxy plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111457608.3A CN114038648B (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 CN114038648B (en) | 2021-12-01 | 2021-12-01 | Excitation coil capable of improving self cooling and insulating performance |
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| Publication Number | Publication Date |
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| CN114038648A CN114038648A (en) | 2022-02-11 |
| CN114038648B true CN114038648B (en) | 2024-07-16 |
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| CN116959841B (en) * | 2022-07-26 | 2024-09-24 | 中国科学院合肥物质科学研究院 | Coil assembly of water-cooled magnet |
| CN117038252B (en) * | 2022-07-26 | 2024-09-24 | 中国科学院合肥物质科学研究院 | Container device of water-cooled magnet |
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| 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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| JP5583254B2 (en) * | 2013-09-10 | 2014-09-03 | 本田技研工業株式会社 | Lubrication cooling structure of electric motor |
| CN107872121B (en) * | 2017-06-30 | 2024-02-27 | 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 |
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| 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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