CN106910589A - A kind of manufacture method of novel electromagnetic wire coil assembly and the component - Google Patents
A kind of manufacture method of novel electromagnetic wire coil assembly and the component Download PDFInfo
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- CN106910589A CN106910589A CN201710257321.3A CN201710257321A CN106910589A CN 106910589 A CN106910589 A CN 106910589A CN 201710257321 A CN201710257321 A CN 201710257321A CN 106910589 A CN106910589 A CN 106910589A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/12—Means for moving control elements to desired position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/06—Insulation of windings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of novel electromagnetic wire coil assembly and the manufacture method of the component, the component includes coil and the yoke for damascene wiring, inlaid hole is provided with the yoke, the coil is installed in inlaid hole, the depth of the inlaid hole is equal to or more than the length of coil, and embedding layer is also filled with the space between the hole wall and coil of the inlaid hole.The manufacture method be coil insertion yoke inlaid hole in after, then carry out embedding obtain embedding layer.The coil block that the coil block or methods described that this programme is provided are obtained can significantly improve the radiating effect of electromagnetic coil assembly, effectively reduce coil inside temperature, and the bulk strength of coil is greatly enhanced, reach the purpose for improving CRDM electromagnetic coil assemblies reliability and service life.
Description
Technical field
The present invention relates to reactor control rod driving mechanism technical field, more particularly to a kind of novel electromagnetic wire coil assembly
And the manufacture method of the component.
Background technology
Reactor is the core of nuclear power station, and the CRDM (CRDM) on reactor can be lifted, under
Position of the control rod in reactor core is inserted or kept, is used to control the Nuclear Fission Rate of reactor, realized starting, stop reactor and heap
The regulation of power, and can under accident conditions quick underthrust control rod (quick scram), reactor is promptly stopped in a short time
Heap, to ensure that nuclear plant safety runs.CRDM realizes that above-mentioned functions be unable to do without electromagnetic coil assembly, and the component is because of its special work
Make the most important property of environment and function, therefore require that electromagnetic coil assembly must, insulating properties high with reliable and stable, heatproof
The features such as good, resistance to irradiation, longlife noodles.
In the prior art, the life and reliability for magnet coil is designed, and industry technology personnel are from electromagnetic coil assembly
Structure and wherein made many explorations, such as patent of invention of Application No. CN103329209A and Shen on the material of part
Please number for 201410500311.4 patent application file described in.Life-span and stability problem for electromagnetic coil assembly do into
One step research, undoubtedly can further improve the reliability of CRDM.
The content of the invention
Made further research for the life-span of electromagnetic coil assembly and stability problem for set forth above, can undoubtedly entered
One step improves the problem of the reliability of CRDM, the invention provides a kind of novel electromagnetic wire coil assembly and the component
Manufacture method, the coil block or the coil block that obtains of methods described that this programme is provided can significantly improve magnet coil group
The radiating effect of part, effectively reduction coil inside temperature, and the bulk strength of coil is greatly enhanced, reach raising CRDM electromagnetic wires
The purpose of coil assembly reliability and service life.
The present invention provide a kind of novel electromagnetic wire coil assembly and the component manufacture method by following technical essential come
Solve problem：A kind of novel electromagnetic wire coil assembly, including coil and the yoke for damascene wiring, edge is provided with the yoke
Embedding hole, the coil is installed in inlaid hole, and the depth of the inlaid hole is equal to or more than the length of coil, the inlaid hole
Embedding layer is also filled with space between hole wall and coil.
For a long time, three coils in nuclear power station CRDM electromagnetic coil assemblies, are encapsulated using independent coiling, embedding
Afterwards, then with 4 pieces of yokes between the form being assemblied together, therefore coil and the periphery of yoke mutual cooperation inevitably
Gap is left, this gap is unfavorable for that coil is outwards radiated by yoke, can make coil inside temperature drift.Meanwhile, alone about
Line, embedding coil bulk strength it is low, moisture resistance and anti-seismic performance is not high.
In the prior art, for installing being spatially located between two neighboring yoke of same coil, i.e.,：Two adjacent magnetic
Inlaid hole is provided with yoke, and the hole depth sum of two inlaid holes is suitable with the length of coil, in assembling, completes
In the inlaid hole for yoke that one end of coil is first embedded, now, the other end of coil is therein relative to described
Another yoke is covered the means in the coil other end for one yoke evagination, then use, while meeting the other end insertion of coil
Assembling form in another yoke inlaid hole, completes the assembling of coil and yoke, and due to special structure design, coil with
Gap between yoke is at most only capable of filling up a part by Ins. ulative material, but the gap area do not filled up completely is unfavorable for
Coil is outwards radiated by yoke.Meanwhile, there is gradually loosening after coil is arranged among the inner chamber of yoke, during vibrations is
Coil is subjected to impact there is provided possible so that the overall anti-seismic performance of electromagnetic coil assembly is poor.
In above scheme, described inlaid hole is the inner chamber being opened in yoke, and the depth for being set to inlaid hole is equal to
Or more than the length of coil, it is intended to realize after in coil insertion inlaid hole, end and edge of the coil near inlaid hole openend
The openend in embedding hole flushes or in inlaid hole, equivalent to by the faying face between adjacent yoke by being transferred in the middle part of coil
Overhang, therefore can be using the openend of inlaid hole as the embedding of potting compound mouthful, to realize manufacturing in electromagnetic coil assembly
Process obtains embedding layer and provides structural support, to realize obtaining embedding in the space between the hole wall and coil of inlaid hole
Layer.Complete after embedding layer makes, then will be provided with coil yoke, as electromagnetic coil assembly end cap yoke sequentially
It is connected, obtains applying to the electromagnetic coil assembly of CRDM.
This programme provide structure, as a result of embedding layer as space between yoke and coil packed layer, the above
Packed layer, relative to the existing directly space for hole or containing hole, can be easy to implement coil working as heat transfer medium
When produced heat preferably can outwards be transmitted by the heat transfer medium, reach optimization electromagnetic coil assembly coil
The effect of radiating；Meanwhile, above structure when electromagnetic coil assembly is assembled, equivalent to embedding layer as between coil and yoke
Intermediate connector, both coil yokes are connected as one, and have obtained " coil yoke assembly ", so, due to coil with
Gap between yoke is filled by embedding layer, and so, the annexation reliability of coil and yoke during vibrations will not be because of coil
Gradually loosened between the two with yoke for coil is subjected to impact providing possible so that the electromagnetic coil assembly that this case is provided has good
Good overall shock resistance.
Meanwhile, in this programme, due to realizing the sealing between coil and yoke using embedding layer, therefore embedding layer can be used as line
Stable supporting layer between circle and yoke, so, can save the effect of the shell body in existing coil, i.e. shell body by yoke with
Embedding layer is substituted, and coil only includes coil windings and inner frame, so, not only beneficial to the structure for simplifying coil, while can reduce
Thermal resistance when coil outwards radiates, beneficial to lifting coil radiating rate, while also having the effect for reducing this assembly volume.
To sum up, the radiating effect of the component coil can be significantly improved, and effectively reduce the purpose of coil inside temperature,
Meanwhile, modular construction provided above can greatly enhance the bulk strength of electromagnetic coil assembly, reach raising CRDM magnet coils
The purpose of assembly reliability and service life.
As those skilled in the art, the yoke is defined for the yoke of damascene wiring, is not difficult to draw, positioned at this
Inlaid hole need not be set in the yoke as end shrouding of the end of component, i.e., in two adjacent yokes, wherein
A yoke on set inlaid hole, another yoke as the yoke for being provided with inlaid hole lid；Described line
The length value of circle is the distance between coil two ends numerical value, i.e., in CRDM, coil includes skeleton and coil windings, typically
The end of coil windings is located between the two ends of skeleton, i.e., the length of coil windings is less than the length of skeleton, in this case, more than
The length of coil is the length of skeleton.
As a kind of above-described further technical scheme of novel electromagnetic wire coil assembly, also including being arranged in yoke
Fairlead, the fairlead and inlaid hole are between the two relatively independent hole.Specifically, above fairlead draws as coil
After several yokes series connection of setting area of the outlet on this component, i.e. this component, the fairlead of each yoke in just to relation, respectively
The lead-out wire of coil is to pass this component by the fairlead, as those skilled in the art, for a certain certain coil peace
In specific yoke, the lead-out wire of the certain coil finally leads to the outer of this component by the fairlead in other yokes
Portion；And whole component is directed to, not it is required to set fairlead in each yoke, such as in the yoke in this component bottom not
Fairlead is set, fairlead of the length direction parallel to yoke axis direction is respectively provided with other yokes, meanwhile, to avoid drawing
Line exposes, and is set to each fairlead through the upper and lower end of correspondence yoke, and so, this component can be by each lead-out wire of this component
Drawn by a certain position in the upper end or middle part of component, similarly, also only fairlead can not be set in the yoke of this component the top,
So, lead-out wire can be drawn by a certain position in lower end or middle part of component.Used as those skilled in the art, above fairlead can
Using drilling machine process, specific processing mode be may be configured as cutter axis direction it is parallel with the axis direction of yoke.Further
, the fairlead and inlaid hole are between the two the further restriction in relatively independent hole, it is intended to so that fairlead with inlay
Hole is spaced from each other, and so, can be prevented effectively from when embedding layer is set, when potting compound blocks fairlead and influences subsequent components to assemble
Threading operation, meanwhile, can also avoid embedding obtain embedding layer when, potting compound by fairlead be lost in and cause waste embedding
Material or influence embedding effect.
To improve the heat conductivility of embedding layer, heat conductive insulating particle is also inlaid with the embedding layer.The heat conductive insulating
Particle can use quartz sand, PPS polyphenylene sulfides, PA46 nylon etc..
Form is implemented as one kind of coil, the coil includes coil windings and skeleton, the material of the skeleton
It is nonmetallic materials.
Used as another way of realization of coil, the coil includes coil windings and skeleton, and the skeleton includes in-seam
Frame, the inner frame is to be additionally provided between metal material, and inner frame and coil windings as the insulating materials of separation layer.This
In scheme, can components utilising metal material the heat resistance of this component is improved relative to the more preferable heat resistance of nonmetallic materials.Together
When, using the insulating materials being additionally provided between inner frame and coil windings as separation layer, using the heat of insulating materials
Resistance, reduction is transferred to the heat of this component by reactor coolant loop, reaches the purpose for effectively reducing coil temperature.
It is easy to coat as one kind, sets, while having the insulating materials of preferable heat-proof quality, the insulating materials is cloud
It is female.
It is lifting overhang heat-sinking capability, embedding layer is also coated with the overhang.Set and be located at coil
The embedding layer of end, it is intended to overcome existing inlaid hole, end turn, yoke end machining accuracy to be difficult to ensure the bottom of inlaid hole
The defect that can be fitted completely with yoke end with overhang, overhang, so, this programme may be such that two above
The hole of cooperation position is filled up by embedding layer, beneficial to the radiating effect of coil；Meanwhile, after being provided with above embedding layer, equivalent to
Embedding layer is controllable with coil a combination of both body length, so, the depth of correspondence inlaid hole is slightly larger than using above length,
When two adjacent yokes are connected, compressed using the embedding layer of the end and be used for the sealing of end turn.
Further, yoke material uses permeability and heat conductivility material higher, such as：Carbon steel, pure iron, electromagnetism are pure
Iron, cast iron, martensitic stain less steel etc., can further improve the radiating effect of coil, contribute to realization to save reactor roof and lead to
The target of air cooling system.
Meanwhile, this programme also discloses a kind of manufacture method of novel electromagnetic wire coil assembly, including order carry out it is following
Step：
S1, coiling winding obtains coil on skeleton, by the inlaid hole of gained coil insertion yoke；
S2, the assembly that will be made up of coil and yoke carry out overall embedding, between the hole wall and coil of inlaid hole
Space in obtain embedding layer.
In above method scheme, the overall embedding is after coil is combined with yoke to form entirety, then carries out embedding,
Overall embedding dipping lacquer is carried out again after loading yoke equivalent to coil, so, is different from prior art coil split type with yoke
Structure design, process above method can obtain coil yoke assembly：The embedding that not only both can be obtained by overall embedding
Layer closely bonds together, while in the radial and axial direction of coil, can accomplish seamless between the two, so,
Not only the good heat dissipation effect of coil, effectively reduces the temperature rise during coil working, while the component for obtaining is different from existing skill
Art has more preferable anti-seismic performance, i.e., after overall embedding dipping lacquer so that the mechanical strength of electromagnetic coil assembly, humidity, antidetonation
Performance is greatly improved, and is so conducive to improving the reliability of electromagnetic coil assembly, therefore the magnet coil group that above method is obtained
Part has longer service life；
Further, due to obtaining embedding layer using overall embedding in step s 2, such as filled using dipping lacquer embedding, insulating cement
Envelope etc., such as after dipping lacquer, it is non-disconnectable that coil forms one with yoke entirety embedding, be different from prior art coil and yoke it
Between gap in the scheme of filler is set, may be such that the gap is smaller, so, the coil embedding that obtains layer is compared to filling
Thing thickness is thinning, more conducively radiates and reduce the appearance and size of yoke.
As a kind of further technical scheme of manufacture method of above-described novel electromagnetic wire coil assembly, to cause line
Circle side each point is respectively provided with the ability by the good outside radiating of yoke, and in step sl, completion coil is in inlaid hole
After installation, the coil is flushed or in inlaid hole near one end of inlaid hole openend with the openend of inlaid hole.We
In case, may be such that and embedding layer is respectively provided between coil side each point and the hole wall of inlaid hole.
To improve the capacity of heat transmission of embedding layer, in step s 2, the potting compound bag that the overall embedding is used is completed
The heat conductive insulating particle for including impregnating varnish and being mixed in impregnating varnish.
The invention has the advantages that：
Electromagnetic coil assembly structure and had using the product that the manufacture method that the present invention is provided is obtained that the present invention is provided
Following characteristics：
1st, the method that the design feature and the present invention of both component coil and yoke of present invention offer are provided is easy to
Realize：Coil carries out embedding dipping lacquer again after loading yoke, and the good heat dissipation effect of gained component coil can effectively reduce electromagnetic wire
The operating temperature rise of coil assembly, reaches the purpose in extension electromagnetic coil assembly life-span；
2nd, after embedding so that the mechanical strength of electromagnetic coil assembly, humidity, anti-seismic performance are greatly improved, and improve electricity
The reliability of magnetic coil assemblies；
3rd, after embedding, coil forms integrally non-disconnectable with yoke entirety embedding, may be such that filling seal coat thickness compared to biography
The packed layer thickness of system can be appropriate thinning, more conducively the appearance and size of coil radiating and diminution yoke.
Brief description of the drawings
During Fig. 1 is one specific embodiment of a kind of novel electromagnetic wire coil assembly of the present invention, reflect coil and yoke
The structural representation of annexation；
Fig. 2 is one structural representation of specific embodiment of a kind of novel electromagnetic wire coil assembly of the present invention.
Reference in figure is followed successively by：1st, yoke, 11, inlaid hole, 12, fairlead, 2, embedding layer, 3, coil, 4, bone
Frame.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but structure of the invention be not limited only to it is following
Embodiment.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of novel electromagnetic wire coil assembly, including coil 3 and the yoke 1 for damascene wiring 3,
Inlaid hole 11 is provided with the yoke 1, the coil 3 is installed in inlaid hole 11, the depth of the inlaid hole 11 be equal to or
More than the length of coil 3, embedding layer 2 is also filled with the space between the hole wall and coil 3 of the inlaid hole 11.
For a long time, three coils in nuclear power station CRDM electromagnetic coil assemblies, are encapsulated using independent coiling, embedding
Afterwards, then with 4 pieces of yokes between the form being assemblied together, therefore coil and the periphery of yoke mutual cooperation inevitably
Gap is left, this gap is unfavorable for that coil is outwards radiated by yoke, can make coil inside temperature drift.Meanwhile, alone about
Line, embedding coil bulk strength it is low, moisture resistance and anti-seismic performance is not high.
In the prior art, for installing being spatially located between two neighboring yoke of same coil, i.e.,：Two adjacent magnetic
Inlaid hole is provided with yoke, and the hole depth sum of two inlaid holes is suitable with the length of coil, in assembling, completes
In the inlaid hole for yoke that one end of coil is first embedded, now, the other end of coil is therein relative to described
Another yoke is covered the means in the coil other end for one yoke evagination, then use, while meeting the other end insertion of coil
Assembling form in another yoke inlaid hole, completes the assembling of coil and yoke, and due to special structure design, coil with
Gap between yoke is at most only capable of filling up a part by Ins. ulative material, but the gap area do not filled up completely is unfavorable for
Coil is outwards radiated by yoke.Meanwhile, there is gradually loosening after coil is arranged among the inner chamber of yoke, during vibrations is
Coil is subjected to impact there is provided possible so that the overall anti-seismic performance of electromagnetic coil assembly is poor.
In above scheme, described inlaid hole 11 is the inner chamber being opened in yoke 1, is set to the depth of inlaid hole 11
Equal to or more than the length of coil 3, it is intended to realize that coil 3 is near the openend of inlaid hole 11 after in the insertion inlaid hole 11 of coil 3
End flushed with the openend of inlaid hole 11 or in inlaid hole 11, equivalent to by the faying face between adjacent yoke 1 by
The middle part of coil 3 has been transferred to the end of coil 3, therefore can be real using the openend of inlaid hole 11 as the embedding of potting compound mouthful
Present electromagnetic coil assembly manufacturing process obtains embedding layer 2 and provides structural support, to realize hole wall and line in inlaid hole 11
Embedding layer 2 is obtained in space between circle 3.After completing the embedding layer 2 making, then the yoke 1 of coil 3 will be provided with, made
For the yoke order of electromagnetic coil assembly end cap is connected, obtain applying to the electromagnetic coil assembly of CRDM.
This programme provide structure, as a result of embedding layer 2 as space between yoke 1 and coil 3 packed layer, with
Upper packed layer, relative to the existing directly space for hole or containing hole, can be easy to implement the work of coil 3 as heat transfer medium
Produced heat preferably can be transmitted outwards by the heat transfer medium when making, and reach optimization electromagnetic coil assembly center line
The effect of the radiating of circle 3；Meanwhile, above structure when electromagnetic coil assembly is assembled, equivalent to embedding layer 2 as coil 3 and yoke 1
Between intermediate connector, by the yoke 1 of coil 3, both connect as one, and have obtained " coil yoke assembly ", so, due to
Gap between coil 3 and yoke 1 is filled by embedding layer 2, and so, coil 3 can with the annexation of yoke 1 during vibrations
Lean on, will not gradually be loosened between the two because of coil 3 and yoke 1 for coil 3 is subjected to impact providing possible so that what this case was provided
Electromagnetic coil assembly has good overall shock resistance.
To sum up, the radiating effect of the component coil 3 can be significantly improved, and effectively reduce the mesh of the internal temperature of coil 3
, meanwhile, modular construction provided above can greatly enhance the bulk strength of electromagnetic coil assembly, reach raising CRDM electromagnetic wires
The purpose of coil assembly reliability and service life.
In the present embodiment, the embedding layer 2 is after coil 3 is completely embedded into yoke 1, by between yoke 1 and coil 3
Hole in embedding impregnating varnish, the separation layer and articulamentum between coil 3 and yoke 1 for obtaining；Yoke 1 is led using following
Any one in magnetic rate and heat conductivility material higher：Carbon steel, pure iron, electromagnetic pure iron, cast iron, martensitic stain less steel.
Embodiment 2：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1：As above-described one
The further technical scheme of novel electromagnetic wire coil assembly is planted, also including the fairlead 12 being arranged in yoke 1, the fairlead 12
It is between the two relatively independent hole with inlaid hole 11, in the present embodiment, the two ends of the insertion of the fairlead 12 correspondence yoke 1,
And the axis direction of fairlead 12 is parallel with the axis direction of yoke 1.
To improve the heat conductivility of embedding layer 2, heat conductive insulating particle is also inlaid with the embedding layer 2.The heat conduction is exhausted
Edge particle can use quartz sand, PPS polyphenylene sulfides, PA46 nylon, glass dust, metal oxide ceramic etc..It is preferred that using tool
There are more preferable temperature tolerance and the more preferable quartz sand glass dust of heat transfer property, metal oxide ceramic, in the present embodiment, lead
Heat insulation particle is using the small quartz sand of thermal coefficient of expansion or the silica sand without corner angle.
Form is implemented as one kind of coil 3, the coil 3 includes the winding of coil 3 and skeleton 4, the skeleton 4
Material is nonmetallic materials.
Used as another way of realization of coil 3, the coil 3 includes the winding of coil 3 and skeleton 4, and the skeleton 4 includes
Inner frame, the inner frame is to be additionally provided with as the insulation material of separation layer between metal material, and inner frame and the winding of coil 3
Material.In this programme, can components utilising metal material the heat resistance of this component is improved relative to the more preferable heat resistance of nonmetallic materials
Energy.Meanwhile, it is additionally provided with as the insulating materials of separation layer, using insulation material using between inner frame and the winding of coil 3
The thermal resistance of material, reduction is transferred to the heat of this component by reactor coolant loop, reaches the mesh for effectively reducing the temperature of coil 3
's.In the present embodiment, the material of skeleton 4 uses stainless steel.
It is easy to coat as one kind, sets, while having the insulating materials of preferable heat-proof quality, the insulating materials is cloud
It is female.
To lift the end heat-sinking capability of coil 3, embedding layer 2 is also coated with the end of the coil 3.
Embodiment 3：
Present embodiments provide a kind of manufacture method of novel electromagnetic wire coil assembly, including the following steps that order is carried out：
S1, the winding of coiling 3 obtains coil 3 on skeleton 4, and gained coil 3 is embedded in the inlaid hole 11 of yoke 1；
S2, the assembly being made up of coil 3 and yoke 1 is carried out into overall embedding, with the hole wall of inlaid hole 11 and coil 3
Between space in obtain embedding layer 2.
In above method scheme, overall embedding dipping lacquer is carried out again after loading yoke 1 equivalent to coil 3, so, be different from existing
There are technology coil 3 and the split type structure design of yoke 1, process above method can obtain the assembly of 3 yoke of coil 1：Not only
The embedding layer 2 that both can be obtained by overall embedding closely bonds together, while in the radial and axial direction of coil 3,
Can accomplish seamless between the two, so, the not only good heat dissipation effect of coil 3, in effectively reducing the course of work of coil 3
Temperature rise, while the component for obtaining is different from prior art has more preferable anti-seismic performance, i.e., after overall embedding dipping lacquer so that electromagnetism
The mechanical strength of coil block, humidity, anti-seismic performance are greatly improved, and are so conducive to improving the reliability of electromagnetic coil assembly
Property, therefore the electromagnetic coil assembly that above method is obtained has longer service life；
Further, due to obtaining embedding layer 2 using overall embedding in step s 2, such as using dipping lacquer embedding, insulating cement
Embedding etc., such as after dipping lacquer, it is non-disconnectable that coil 3 forms one with the overall embedding of yoke 1, be different from prior art coil 3 with
The scheme of filler is set in the gap between yoke 1, may be such that the gap is smaller, so, the embedding of coil 3 layer 2 for obtaining
It is thinning compared to filler thickness, more conducively radiate and reduce the appearance and size of yoke 1.
Embodiment 4：
The present embodiment is further qualified on the basis of embodiment 3：To cause that the side each point of coil 3 is respectively provided with by magnetic
The ability of the good outside radiating of yoke 1, in step sl, after completing installation of the coil 3 in inlaid hole 11, the coil 3 is leaned on
One end of the nearly openend of inlaid hole 11 flushes or in inlaid hole 11 with the openend of inlaid hole 11.In this programme, may be such that
Embedding layer 2 is respectively provided between the side each point of coil 3 and the hole wall of inlaid hole 11.
To improve the capacity of heat transmission of embedding layer 2, in step s 2, the potting compound bag that the overall embedding is used is completed
The heat conductive insulating particle for including impregnating varnish and being mixed in impregnating varnish.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The specific embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where technical scheme is not departed from, should be included within the scope of the present invention.
Claims (10)
1. a kind of novel electromagnetic wire coil assembly, including coil (3) and the yoke (1) for damascene wiring (3), the yoke (1)
On be provided with inlaid hole (11), the coil (3) is installed in inlaid hole (11), it is characterised in that the inlaid hole (11)
Depth is equal to or more than the length of coil (3), is also filled with the space between the hole wall and coil (3) of the inlaid hole (11)
Embedding layer (2).
2. a kind of novel electromagnetic wire coil assembly according to claim 1, it is characterised in that also including being arranged on yoke (1)
On fairlead (12), the fairlead (12) and inlaid hole (11) are between the two relatively independent hole.
3. a kind of novel electromagnetic wire coil assembly according to claim 1, it is characterised in that also inlayed in embedding layer (2)
It is embedded with heat conductive insulating particle.
4. a kind of novel electromagnetic wire coil assembly according to claim 1, it is characterised in that the coil (3) is including coil
Winding and skeleton (4), the material of the skeleton (4) is nonmetallic materials.
5. a kind of novel electromagnetic wire coil assembly according to claim 1, it is characterised in that the coil (3) is including coil
Winding and skeleton (4), including inner frame, the inner frame is metal material to the skeleton (4), and inner frame (4) and coil around
It is additionally provided between group as the insulating materials of separation layer.
6. a kind of novel electromagnetic wire coil assembly according to claim 5, it is characterised in that the insulating materials includes mica
And organosilicon coating.
7. a kind of novel electromagnetic wire coil assembly as claimed in any of claims 1 to 6, it is characterised in that the line
Also embedding layer (2) is coated with the end for enclosing (3).
8. a kind of manufacture method of novel electromagnetic wire coil assembly, it is characterised in that including the following steps that order is carried out：
S1, coiling winding obtains coil (3) on skeleton (4), by the inlaid hole of the embedded yoke (1) of gained coil (3)
(11) in；
S2, the assembly being made up of coil (3) and yoke (1) is carried out into overall embedding, with the hole wall and line of inlaid hole (11)
Embedding layer (2) is obtained in space between circle (3).
9. the manufacture method of a kind of novel electromagnetic wire coil assembly according to claim 8, it is characterised in that in step S1
In, after completing coil (3) installation in inlaid hole (11), the coil (3) near inlaid hole (11) openend one end with
The openend of inlaid hole (11) flushes or in inlaid hole (11).
10. the manufacture method of a kind of novel electromagnetic wire coil assembly according to claim 8, it is characterised in that in step S2
In, the potting compound that the completion overall embedding is used includes impregnating varnish and the heat conductive insulating particle being mixed in impregnating varnish.
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