CN107121567A - A kind of lightweight grading ring - Google Patents
A kind of lightweight grading ring Download PDFInfo
- Publication number
- CN107121567A CN107121567A CN201710415068.XA CN201710415068A CN107121567A CN 107121567 A CN107121567 A CN 107121567A CN 201710415068 A CN201710415068 A CN 201710415068A CN 107121567 A CN107121567 A CN 107121567A
- Authority
- CN
- China
- Prior art keywords
- ring body
- ring
- grading
- lightweight
- supporter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000010422 painting Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of lightweight grading ring, the grading ring includes：First ring body, the second ring body, supporter；First ring body and second ring body are connected by supporter.The present invention replaces the grading ring of metal using the capsule-type twin nuclei being made up of PVC material, inflatable collapsible, can mitigate weight, be readily transported, deposits and install, so as to improve test efficiency.
Description
Technical field
The present invention relates to electrical equipment accessory field, more particularly to a kind of grading ring.
Background technology
In high-tension testing apparatus structure, electric field is typically uneven distribution, is needed at the scene in high-potting to high pressure
Electrode area does pressure processing, to reduce or eliminate the corona or shelf depreciation at high-field electrode position, so as to improve test result.
At present in high voltage electric equipment experiment, the pressure-equalizing device being generally made of metallic aluminium, to realize the purpose of uniform electric field.This
Planting pressure-equalizing device, often shape is fixed, and volume and weight is all larger, and transport, storage and installation are all inconvenient, have a strong impact on experiment
Efficiency.
The content of the invention
For defect of the prior art, the present invention provides a kind of lightweight grading ring, can mitigate weight, be readily transported,
Storage and installation, improve test efficiency.
The invention provides a kind of lightweight grading ring, the grading ring includes：First ring body, the second ring body, supporter；Institute
State the first ring body and second ring body is connected by supporter.
Further, first ring body is parallel with second ring body and is coaxially disposed.
Further, the supporter includes：3rd ring body, the 4th ring body, connector；3rd ring body and described
Four ring bodies are in the outer spill of semicircle, and the 3rd ring body is connected with the 4th ring body by the connector.
Further, the 3rd ring body, the 4th ring body and the connector are wholely set.
Further, the inside of first ring body, second ring body and the supporter is full of compressed air.
Further, first ring body is connected with the 3rd ring body, and second ring body is connected with the 4th ring body.
Further, first ring body, second ring body and the supporter are made by PVC material.
Further, the outer surface of the grading ring is coated with conductive coating.
Further, the supporter includes three metallic cylinders.
Further, the outer surface of first ring body and second ring body is coated with conductive coating.
As shown from the above technical solution, the present invention provides a kind of lightweight grading ring, using the ring body structurc of capsule-type, can fill
Gas is collapsible, can mitigate weight, is readily transported, deposits and installs, so as to improve test efficiency.
Brief description of the drawings
Fig. 1 shows the structural representation for the lightweight grading ring that the embodiment of the present invention one is provided.
Fig. 2 shows the structural representation for the lightweight grading ring that the embodiment of the present invention two is provided.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be intended only as example, and the protection of the present invention can not be limited with this
Scope.
Embodiment one
Fig. 1 shows the structural representation for the lightweight grading ring that the embodiment of the present invention one is provided.As shown in figure 1, this is pressed
Ring includes：First ring body 1, the second ring body 2, supporter 3；Wherein the first ring body 1 and the second ring body 2 are connected by supporter 3, the
One ring body 1 is parallel with the second ring body 2 and is coaxially disposed.
The grading ring, which can be arranged on, needs the end for realizing the metalwork pressed realization to press, usually used grading ring
Mostly single ring architecture, the grading ring described in the embodiment of the present invention uses twin nuclei, and can make the field strength and voltage of end has more
Big decline, with the purpose for reaching reduction end field strength and pressing, while the probability that end produces corona can be reduced, so as to increase
Voltage equalizing.
Preferably, the supporter 3 includes：3rd ring body 31, the 4th ring body 32, connector 33；Wherein, the 3rd ring body 31
Connected with the 4th ring body 32 by connector 33, the 3rd ring body 31 is parallel with the 4th ring body 32 and is coaxially disposed.Further preferably
Ground, the 3rd ring body 31 and the 4th ring body 32 are the outer scrobicular ring body of semicircle；It is further preferred that the 3rd ring body 31, institute
State the 4th ring body 32 and the connector 33 is wholely set, inside is each filled with interconnecting inside compressed air, supporter 3.Should
Supporter 3 is full of after compressed air, and Stability Analysis of Structures is more preferable to the support effect of the first ring body and the second ring body.
First ring body 1 is connected with the supporter 3, specifically, and first ring body 1 is connected with the 3rd ring body 31,
In the 3rd ring body 31, the one side being connected with the first ring body 1 is concave, and the contact area of the first ring body 1 is big, supporting role
More preferably；Second ring body 2 is connected with the supporter 3, specifically, and second ring body 2 is connected with the 4th ring body 32,
In the 4th ring body 32, the one side being connected with the second ring body 2 is concave, and the contact area of the second ring body 2 is big, supporting role
More preferably.
Preferably, the first ring body 1, the second ring body 2 and supporter 3 are made by PVC material, and the thickness of PVC material is
1mm, its main material performance parameter is：Yield strength is 10.02e+006N/m2, tensile strength is 1.353e+007N/m2, bullet
Property modulus be 5.99e+006N/m2.Metal is replaced using PVC material, the weight of grading ring can be mitigated, at the same use with
The PVC material of lower performance parameter, that is, disclosure satisfy that the requirement of inflation, also disclosure satisfy that the requirement of stress.PVC ring bodies have linear
The same tropism of elasticity, it is dimensionally stable after inflation, uniform, larger pressure can be in test born, will not be deformed upon, Yi Jizao
Into local protuberance, it also will not therefore cause shelf depreciation.
Preferably, the outer surface of the grading ring is coated with conductive coating, and the conductive coating is conductive composite coating, is led
The use of electrocoat can be achieved pressure and act on.
Preferably, inflation inlet is respectively equipped with the first ring body 1, the second ring body 2 and supporter 3, for being inflated and putting
Gas.Grading ring under inflated condition can realize that pressure is acted on, the grading ring under deflation status, collapsible, folding, be readily transported,
Storage and installation.
The size of grading ring can be adjusted according to actual conditions, for example, 220kV grading rings the first ring body 1, the second ring body
2 diameter is 800mm, ring body caliber 250mm, two ring body centre-height 750mm.In practical operation, according to different
The requirement of voltage conditions is adjusted correspondingly, and the size of the size of supporter 3 and the first ring body 1 and the second ring body 2 matches.
Based on above content, the technique effect that the embodiment of the present invention one can be realized is：Using the glue being made up of PVC material
Bellows twin nuclei replaces metal grading ring, inflatable collapsible, can mitigate weight, be readily transported, deposits and install, so that
Improve test efficiency；Ring body is supported using gas-filled type support body, Stability Analysis of Structures after inflation, support effect is good.
Embodiment two
Fig. 2 shows the structural representation for the lightweight grading ring that the embodiment of the present invention two is provided.As shown in Fig. 2 this is pressed
Ring is in capsule-type structure, including：First ring body 1, the second ring body 2, supporter 3；Described two ring bodies are parallel to each other, coaxially set
Put, and described two ring bodies are connected by supporter 3.
Preferably, the first ring body 1 and the second ring body 2 are made by the thick PVC materials of cold-proof 1mm, its material property parameter
As shown in table 1, it is and internal full of compressed air in ring body.Metal is replaced using PVC material, the weight of grading ring can be mitigated.
Inflation inlet is equipped with two ring bodies, for being inflated and deflating, the grading ring under inflated condition can be realized
Pressure is acted on, the grading ring under deflation status, collapsible, folding, is readily transported, deposits and is installed.
Preferably, the outer surface of the first ring body 1 and the second ring body 2 is coated with conductive coating, and the conductive coating is to lead
Electric composite coating, the conductive coating can realize pressure effect.
Preferably, the supporter 3 includes three metallic cylinders, it is further preferred that the material of supporter 3 is cast aluminium,
Cast aluminium light weight and cost is low, can reduce the overall weight of grading ring, and can reduce cost.The supporter hardness of metal structure
Height, can function well as the effect of support.
Be respectively engaged with the ring body 2 of first ring body 1 and second in the corresponding groove of supporter 3, realize supporter 3 with
Connection between first ring body 1, the second ring body 2.
The circle diameter up and down of the grading ring, up and down annulus caliber, the parameter such as ring centre-height, enter according to actual conditions
Row regulation.
By Solidworks software modelings, force analysis is carried out to the grading ring, examines the structure whether there is and fills
Whether material can destroy after deformation, inflation after gas, whether inflatable structure change in shape is uniform and part whether there is projection.And it is main
Want the stress situation of simulation analysis capsule-type structure grading ring.During modeling and simulating, elastomer is solely subjected to own wt,
It is solely subjected to the active force (only upper ring) of Y direction power.
Simulation analysis prove that the lightweight grading ring is inflated in the case of 0.25~0.29MPa, and its surface pressing is to the maximum
0.243MPa, much smaller than its material tension intensity 13.5MPa, therefore material will not be destroyed.Meanwhile, product maximum distortion is
3.724mm, change in size meets size requirement.Annulus is each consistent to change in shape, does not result in local protuberance and partial discharge electric discharge.
Based on above content, the technique effect that the embodiment of the present invention two can be realized is：, can using capsule-type twin nuclei
Inflation is collapsible, can mitigate weight, be readily transported, deposits and install, so as to improve test efficiency；Using metallic cylinder conduct
Supporter, support effect is good.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. a kind of lightweight grading ring, it is characterised in that the grading ring includes：First ring body, the second ring body, supporter；It is described
First ring body and second ring body are connected by supporter.
2. lightweight grading ring according to claim 1, it is characterised in that first ring body is parallel with second ring body
And be coaxially disposed.
3. lightweight grading ring according to claim 2, it is characterised in that the supporter includes：3rd ring body, Fourth Ring
Body, connector；3rd ring body and the 4th ring body are in the outer spill of semicircle, and the 3rd ring body passes through with the 4th ring body
The connector connection.
4. lightweight grading ring according to claim 2, it is characterised in that the 3rd ring body, the 4th ring body and institute
Connector is stated to be wholely set.
5. lightweight grading ring according to claim 4, it is characterised in that first ring body, second ring body and institute
The inside for stating supporter is full of compressed air.
6. lightweight grading ring according to claim 3, it is characterised in that first ring body is connected with the 3rd ring body, institute
The second ring body is stated to be connected with the 4th ring body.
7. lightweight grading ring according to claim 3, it is characterised in that first ring body, second ring body and institute
Supporter is stated to be made by PVC material.
8. lightweight grading ring according to claim 3, it is characterised in that the outer surface of the grading ring is coated with conductive painting
Layer.
9. lightweight grading ring according to claim 2, it is characterised in that the supporter includes three metallic cylinders.
10. lightweight grading ring according to claim 9, it is characterised in that first ring body and second ring body
Outer surface is coated with conductive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415068.XA CN107121567A (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415068.XA CN107121567A (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107121567A true CN107121567A (en) | 2017-09-01 |
Family
ID=59729030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710415068.XA Pending CN107121567A (en) | 2017-06-05 | 2017-06-05 | A kind of lightweight grading ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107121567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444695A (en) * | 2018-11-30 | 2019-03-08 | 国网湖北省电力有限公司电力科学研究院 | A kind of grading ring and its installation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196996A (en) * | 1996-01-23 | 1997-07-31 | Ngk Insulators Ltd | Device for testing corona discharge of insulation cylinder and testing method using the device |
| CN102809673A (en) * | 2012-07-24 | 2012-12-05 | 苏州华电电气股份有限公司 | Inflatable pressure-equalizing device for high-voltage test |
| CN203224515U (en) * | 2013-04-02 | 2013-10-02 | 山西省电力公司电力科学研究院 | An inflation assembly type high-voltage grading ring |
| CN204302314U (en) * | 2014-12-05 | 2015-04-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Lightweight grading ring is used in a kind of high voltage electric equipment test |
| CN205484416U (en) * | 2016-01-14 | 2016-08-17 | 天威保变(合肥)变压器有限公司 | But height -adjusting's equalizer ring |
| CN206945739U (en) * | 2017-06-05 | 2018-01-30 | 李昂 | A kind of lightweight grading ring |
-
2017
- 2017-06-05 CN CN201710415068.XA patent/CN107121567A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196996A (en) * | 1996-01-23 | 1997-07-31 | Ngk Insulators Ltd | Device for testing corona discharge of insulation cylinder and testing method using the device |
| CN102809673A (en) * | 2012-07-24 | 2012-12-05 | 苏州华电电气股份有限公司 | Inflatable pressure-equalizing device for high-voltage test |
| CN203224515U (en) * | 2013-04-02 | 2013-10-02 | 山西省电力公司电力科学研究院 | An inflation assembly type high-voltage grading ring |
| CN204302314U (en) * | 2014-12-05 | 2015-04-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Lightweight grading ring is used in a kind of high voltage electric equipment test |
| CN205484416U (en) * | 2016-01-14 | 2016-08-17 | 天威保变(合肥)变压器有限公司 | But height -adjusting's equalizer ring |
| CN206945739U (en) * | 2017-06-05 | 2018-01-30 | 李昂 | A kind of lightweight grading ring |
Non-Patent Citations (1)
| Title |
|---|
| 陈波;李波;谢明佐;王琼;: "高压试验用新型轻捷式均压环的研制", 内蒙古电力技术, vol. 34, no. 06, pages 78 - 80 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444695A (en) * | 2018-11-30 | 2019-03-08 | 国网湖北省电力有限公司电力科学研究院 | A kind of grading ring and its installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206945739U (en) | A kind of lightweight grading ring | |
| CN107121567A (en) | A kind of lightweight grading ring | |
| CN201181300Y (en) | Voltage equalizing cover for high-tension testing apparatus | |
| CN103245804B (en) | Assembly type inflatable high-voltage equalizing ring | |
| CN205335857U (en) | Energy -saving reactive power compensator cabinet | |
| CN107695940A (en) | A kind of assembly tool and its assembly method of air bag air bag | |
| CN205484445U (en) | Tandem SF6 gas -insulated impulse voltage generating device | |
| CN207569454U (en) | A kind of novel portable mechanical and electric equipment installation regulating device | |
| CN104464986B (en) | Insulating support structure in inflatable impulse voltage generator | |
| CN207762385U (en) | A kind of steel band reinforced polyethylene spiral ripple pipe | |
| CN216309652U (en) | Wind-powered electricity generation bearing seal circle pressure resistance test fixture | |
| CN212718662U (en) | Natural gas pipeline sealing device | |
| CN202218435U (en) | Double-butting spring pressure ring | |
| CN211455412U (en) | Inflatable equalizing ring for high-voltage direct-current test | |
| CN106067351A (en) | A kind of gasbag-type metal scale extreme high voltage grading shield | |
| CN110501166B (en) | Method for simulating deformation moment of pump backswing engine in inflation state | |
| CN206819903U (en) | A kind of pneumatic type vacuum interrupter mounting plate | |
| CN220870269U (en) | Pressure pipeline protection device for steel structure | |
| CN206092597U (en) | Well high voltage electricity conductor flange ring rolling equipment | |
| CN106531372A (en) | Pressure equalizing ring capable of adjusting distance | |
| CN208593917U (en) | A kind of nonwoven production gas expansion shaft being easily installed | |
| CN108243554A (en) | A kind of circuit board with anti-static function | |
| CN209023335U (en) | A kind of paper packaging structure for the heavier component of machine of packed and transported | |
| CN216818071U (en) | Detachable grading ring structure | |
| CN207965032U (en) | A kind of GIS simulators particle discharge defect model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |