CN114420393A - Production method, recording medium and system of GIS outgoing line sleeve - Google Patents
Production method, recording medium and system of GIS outgoing line sleeve Download PDFInfo
- Publication number
- CN114420393A CN114420393A CN202210026826.XA CN202210026826A CN114420393A CN 114420393 A CN114420393 A CN 114420393A CN 202210026826 A CN202210026826 A CN 202210026826A CN 114420393 A CN114420393 A CN 114420393A
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- sleeve
- gis
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- outgoing line
- winding
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 15
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 abstract description 12
- 238000009826 distribution Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000009422 external insulation Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011417 postcuring Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/02—Drying; Impregnating
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention belongs to the technical field of manufacturing of power transmission and distribution protective materials, and particularly relates to a production method of a GIS outgoing line sleeve, which comprises the following steps: winding the outer layer of the GIS outlet sleeve by using a glass fiber semi-conducting belt impregnated with epoxy resin, wherein the set processing environment is non-vacuum and the temperature is 85-105 ℃; setting equal distance between each adjacent capacitive screen in the sleeve core body; the same-layer capacitive screen adopts a spiral winding semi-conducting belt, so that the semi-conducting belt wound currently is partially overlapped with the semi-conducting belt wound in the last circle. The process can better ensure the control of the dimensional precision, solve the problem that the outgoing line sleeve is easy to crack, and ensure the reasonable distribution of the electric field in the transformer sleeve. The invention also provides a non-transient readable recording medium storing the program of the method and a system comprising the medium, wherein the program can be called by a processing circuit to execute the method.
Description
Technical Field
The invention belongs to the technical field of manufacturing of power transmission and distribution protective materials, and discloses a production method of a GIS outgoing line sleeve, a recording medium and a system, wherein the recording medium is stored with a program capable of executing the method.
Background
In operation, the high voltage dry bushing, especially the GIS outlet bushing, is subjected to various voltages and currents and also to various mechanical loads. The length-diameter ratio of a traditional gas structure GIS outgoing line sleeve is large, the bending moment is large, so that when the gravity of an insulator, an internal conductive tube and an equalizing ring (ball) inside and outside the sleeve is borne, and the huge electromotive force generated by the pulling force, the wind load pressure and the short-circuit current generated by a high-voltage outgoing line is borne, the deformation of the sleeve structure easily occurs, the sealing is poor, the air leakage risk is generated, the insulating property of the sleeve is reduced seriously, the internal breakdown is caused, and the safe and stable operation of GIS equipment is influenced.
The GIS outlet sleeve is manufactured by adopting a process that a semi-conductive belt is wound on a capacitive screen and an integrated structure is formed by dipping fibers in glue, and the process has the technical difficulties that: (1) the winding temperature can influence the primary curing process of the sleeve core body, the temperature is not properly set, and the layering problem of the sleeve core body can occur in post-curing; (2) the length and the distance of the capacitor screens of the core bodies of the outgoing line bushings affect the field intensity distribution of the bushings, and once the control is not good, the local field intensity inside the bushings is overlarge; (3) gaps or uneven thickness are easy to occur in the winding process of the semi-conducting belt, so that the insulating defect problem of the capacitor screen exists in the bushing core.
Disclosure of Invention
Aiming at the problems, the invention provides a production method of a GIS outgoing line sleeve, which comprises the following steps:
s1, winding an outer layer of a GIS outlet sleeve by using a glass fiber semi-conductive belt impregnated with epoxy resin, wherein the set processing environment is non-vacuum and the temperature is 85-105 ℃;
s2, setting equal distances between adjacent capacitive screens in the sleeve core body;
s3, winding the semi-conductive belt in a spiral mode on the same-layer capacitive screen, and enabling the semi-conductive belt wound currently to be partially overlapped with the semi-conductive belt wound last circle.
Preferably, the distance in the step of S2 is 2.0mm to 3.5 mm.
Further, the width of the partial overlap in the step S3 is one half of the width of the semiconductive tape.
The winding temperature is 85-105 ℃, so that the inner part of the core body is in a primary curing continuous state in the winding manufacturing process of the sleeve core body.
Preferably, the capacitor screens of the GIS outgoing line bushing core body are made of semi-conducting belts, the thickness value between every two layers of the capacitor screens is equal, the value ranges from 2.0mm to 3.5mm, the equal thickness design is beneficial to a winding machine to set the same winding program, the winding accumulated error is reduced, the length of each layer of the capacitor screen can be customized according to the insulation requirement, the distribution of an electric field in the transformer bushing is reasonable, and the situation of overlarge local field intensity is avoided.
Adopt the mode of semi-conductive area half crimping in the winding, make the electric capacity screen not appear the gap and thickness is even, improved and made GIS outlet sleeve production quality through semi-conductive area winding electric capacity screen.
Another aspect of the present invention is to provide a non-transitory readable recording medium storing one or more programs including instructions that, when executed, cause a processing circuit to execute a method for producing a GIS outlet casing as described above.
The present invention provides a GIS outlet bushing production system, including a processing circuit and a memory electrically coupled thereto, where the memory is configured to store at least one program, the program includes a plurality of instructions, and the processing circuit runs the program, and is capable of executing the above GIS outlet bushing production method.
Drawings
FIG. 1 is a schematic view of an integrated structural adhesive-impregnated fiber GIS outlet sleeve of a semi-conductive tape-wound capacitive screen according to an embodiment of the present invention;
in the figure: (a) the structure of the sleeve core is adopted; (b) the sleeve is of an umbrella skirt structure with external insulation;
fig. 2 is a schematic view of the process for producing a semiconductive tape-wound capacitive screen according to the present invention (width a-2B).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any new work, are within the scope of the present invention.
The invention designs a GIS outlet sleeve production method which comprises the following steps: the winding method comprises the steps of winding epoxy resin impregnated glass fibers in a non-vacuum high-temperature environment, wherein the winding temperature is 85-105 ℃, the temperature can ensure that the epoxy resin impregnated glass fibers are wound and cured, the glass fibers are wound in a crossed mode to enhance the mechanical strength, the surface of a core body tends to be flat by adopting a hoop winding mode under proper conditions, and the tiny gaps are filled by increasing the viscosity through high temperature by using epoxy resin. The core body is in a semi-cured state all the time in the winding process, so that the core body has higher toughness, deflection limitation does not need to be considered, dimensional precision control can be better ensured, and the core body is not easy to crack.
And after the specified size of the core is finished, putting the core into an oven for post-curing treatment, and forming a pure solid sleeve core structure after curing.
The capacitive screen of the GIS outgoing line bushing core adopts a semi-conductive belt, the distance between every two layers of capacitive screens is equal, and the capacitive screen is arranged according to the insulation characteristic of the bushing, so that the distribution of an electric field in the bushing of the transformer is reasonable, the condition that the local field intensity is overlarge is avoided, the insulation margin of too small materials is insufficient, the utilization rate of too large materials is not high, and the value is in the range of 2.0mm-3.5 mm.
The capacitor screen of the epoxy resin impregnated glass fiber GIS outgoing line sleeve adopts a half compression joint process, so that the capacitor screen has no gap and uniform thickness in the winding process of the semi-conductive belt, and the production quality of the GIS outgoing line sleeve adopting the integrated structure glue impregnated fiber of the semi-conductive belt wound capacitor screen is improved.
The GIS outgoing line sleeve production method specifically comprises six procedures of sleeve core winding, core curing, cured core machining, core and flange cementing, shed bonding, sleeve testing and the like: (1) winding a core body, wherein the length parameter of each layer of capacitive screen is designed according to insulation requirements, the thickness of each two layers of capacitors is equal to take a certain parameter within 2.0-3.5 mm, a winding machine program is set according to sleeve design parameters, the winding temperature is 85-105 ℃, and the interior of the core body is in a primary curing continuous state in the sleeve core body winding process; (2) curing the core body, after the winding of the core body is finished, sending the core body into an oven, and setting reasonable oven temperature and duration time to ensure that the core body is completely cured; (3) machining the cured core body according to a core body design drawing, wherein the rough machining feed amount is not more than 0.3mm, and the finish machining feed amount is not more than 0.1mm, so that the core body machining is completed; (4) gluing the core body and the flange, polishing and cleaning the inner wall of the flange, uniformly coating an adhesive on the inner wall of the flange, placing the flange at a proper position of the core body after heating pretreatment in an oven, installing a sealing ring, injecting glue at a position of a glue injection hole of the flange by using a glue injection gun, standing for 18 hours, and ensuring that the epoxy resin is completely cured; (5) adhering sheds at the air ends of the sleeves, designing the sizes of the silicon rubber sheds according to the diameter and the creep distance value of the sleeve core body, and adhering a certain number of sheds on the surface of the sleeve core body to form sleeve external insulation, wherein the sleeve core body and the external insulation sheds are of an integrated structure; (6) and (4) performing a casing test, namely performing various casing detection tests according to related national standards.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computers, usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The technical scheme of the invention is that the method steps are compiled into a program and then the program is stored in a hard disk or other non-transient storage media to form the non-transient readable recording medium; the storage medium is electrically connected with a computer processor, and a corresponding GIS outlet bushing wrapping process can be completed through data processing, so that the technical scheme of the production system of the GIS outlet bushing is formed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A production method of a GIS outgoing line sleeve is characterized by comprising the following steps:
s1, winding an outer layer of a GIS outlet sleeve by using a glass fiber semi-conductive belt impregnated with epoxy resin, wherein the set processing environment is non-vacuum and the temperature is 85-105 ℃;
s2, setting equal distances between adjacent capacitive screens in the sleeve core body;
s3, winding the semi-conductive belt in a spiral mode on the same-layer capacitive screen, and enabling the semi-conductive belt wound currently to be partially overlapped with the semi-conductive belt wound last circle.
2. The method for producing the GIS outgoing line sleeve according to claim 1, wherein the distance in the step S2 is 2.0mm-3.5 mm.
3. The method for producing the GIS outgoing bushing according to claim 2, wherein the width of the partial overlap in the step of S3 is one half of the width of the semiconductive tape.
4. A non-transitory readable recording medium storing one or more programs comprising instructions which, when executed, cause a processing circuit to perform a method of producing a GIS outlet bushing of any of claims 1-3.
5. A GIS outlet bushing production system comprising processing circuitry and a memory electrically coupled thereto, wherein the memory is configured to store at least one program, the program comprising a plurality of instructions, and wherein the processing circuitry is capable of executing the program to perform a method of GIS outlet bushing production as recited in claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026826.XA CN114420393A (en) | 2022-01-11 | 2022-01-11 | Production method, recording medium and system of GIS outgoing line sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026826.XA CN114420393A (en) | 2022-01-11 | 2022-01-11 | Production method, recording medium and system of GIS outgoing line sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114420393A true CN114420393A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210026826.XA Pending CN114420393A (en) | 2022-01-11 | 2022-01-11 | Production method, recording medium and system of GIS outgoing line sleeve |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402952Y (en) * | 2009-04-03 | 2010-02-10 | 褚斌 | Dry-type high-voltage bushing |
| CN102013322A (en) * | 2010-09-26 | 2011-04-13 | 孙闻峰 | Dry type high-voltage capacitor core and manufacture method thereof |
| CN204651110U (en) * | 2015-05-14 | 2015-09-16 | 江苏沃能电气科技有限公司 | A kind of dry-type capacitance type compound insulating sleeve |
| CN205304157U (en) * | 2015-09-29 | 2016-06-08 | 北京诺德威电力技术开发有限责任公司 | Dry type high -pressure wall bushing |
| CN108736400A (en) * | 2018-08-09 | 2018-11-02 | 山东辰祥电气设备有限公司 | Glue soaks felt bushing |
| CN109559861A (en) * | 2018-11-23 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of dry type high-voltage capacitor core |
| CN112002504A (en) * | 2020-08-06 | 2020-11-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Development method of epoxy resin impregnated glass fiber direct current sleeve |
| CN212750516U (en) * | 2020-08-06 | 2021-03-19 | 国网电力科学研究院武汉南瑞有限责任公司 | Epoxy resin impregnated glass fiber direct current sleeve |
-
2022
- 2022-01-11 CN CN202210026826.XA patent/CN114420393A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402952Y (en) * | 2009-04-03 | 2010-02-10 | 褚斌 | Dry-type high-voltage bushing |
| CN102013322A (en) * | 2010-09-26 | 2011-04-13 | 孙闻峰 | Dry type high-voltage capacitor core and manufacture method thereof |
| CN204651110U (en) * | 2015-05-14 | 2015-09-16 | 江苏沃能电气科技有限公司 | A kind of dry-type capacitance type compound insulating sleeve |
| CN205304157U (en) * | 2015-09-29 | 2016-06-08 | 北京诺德威电力技术开发有限责任公司 | Dry type high -pressure wall bushing |
| CN108736400A (en) * | 2018-08-09 | 2018-11-02 | 山东辰祥电气设备有限公司 | Glue soaks felt bushing |
| CN109559861A (en) * | 2018-11-23 | 2019-04-02 | 国网江苏省电力有限公司经济技术研究院 | A kind of dry type high-voltage capacitor core |
| CN112002504A (en) * | 2020-08-06 | 2020-11-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Development method of epoxy resin impregnated glass fiber direct current sleeve |
| CN212750516U (en) * | 2020-08-06 | 2021-03-19 | 国网电力科学研究院武汉南瑞有限责任公司 | Epoxy resin impregnated glass fiber direct current sleeve |
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