CN102780196B - A kind of dish-style bus casing - Google Patents
A kind of dish-style bus casing Download PDFInfo
- Publication number
- CN102780196B CN102780196B CN201210279251.9A CN201210279251A CN102780196B CN 102780196 B CN102780196 B CN 102780196B CN 201210279251 A CN201210279251 A CN 201210279251A CN 102780196 B CN102780196 B CN 102780196B
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- Prior art keywords
- insulator
- dish
- style
- electric conductor
- copper
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- 239000012212 insulator Substances 0.000 claims abstract description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- 239000010949 copper Substances 0.000 claims abstract description 40
- 239000004020 conductor Substances 0.000 claims abstract description 39
- 230000007704 transition Effects 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000005684 electric field Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003822 epoxy resin Substances 0.000 description 8
- 229920000647 polyepoxide Polymers 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
A kind of dish-style bus casing, overcome existing dish-style bus casing insulator surface and copper electric conductor transition position or insulator surface and annular flange transition position and can produce non-uniform electric field because of impurity, thus reduce the problem of withstand voltage level, feature is on copper conductor, be connected with ring shielding ring, insulator is the dish-style structure with annular projection of upper and lower surface symmetry, the axial cross section of described annular projection is circular arc, beneficial effect is, effectively can shield the non-uniform electric field because impurity produces, by the effect of the shading ring on copper electric conductor or the shielding action of mounting flange, make the electric field of dish-style sleeve surface not by the impact of the impurity such as metal fillings, if the metal fillings that in air chamber, moving component produces is fallen after on dish-style sleeve pipe, can automatically slide in the shielding area of copper electric conductor shading ring and annular flange, therefore insulation is reliable, electric fields uniform, shield effectiveness is good, make the existence of metal fillings excessively can not affect the withstand voltage level of insulator surface.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical field, particularly for a kind of dish-style bus casing that in the metal enclosed switchgear of dry air or nitrogen gas insulating, between two sealed unit, bus connects.
Background technology
Bus insulating bush is major shift insulation component Cubicle Gas-Insulated Switchgear carrying out conductor connection between different sealed unit, and its insulation property directly affect operational reliability and the personal safety of Cubicle Gas-Insulated Switchgear.In Cubicle Gas-Insulated Switchgear, the connection of two sealed unit generally uses internal cone type bus casing at present, if application number is " a kind of assembled internal bevel bus bushing " disclosed in 201020248360.0 patent applications, two inner cone sleeve pipes and a plug-in connector need be used to combine when adopting this sleeve pipe to connect two sealed unit buses, this syndeton is complicated, axial dimension is large, cost of manufacture is high, spring contact is adopted to be connected in addition between sleeve pipe with plug-in connector, contact resistance is larger, also flow conductivity is made to limit to some extent, sleeve pipe is larger by the impact of surface impurity, the metallic produced during movable member motion in sealed unit above drops on sleeve surface, greatly can reduce sleeve surface dielectric strength, therefore this structure must adopt SF6 gas could meet certain insulating requirements.
In order to solve the problem, application number is 201120410019.5, name be called in the patent of " a kind of dish-style bus casing " disclose a kind of for a kind of dish-style bus casing that in the metal enclosed switchgear of dry air or nitrogen gas insulating, between two sealed unit, bus connects, the technical scheme adopted comprises epoxyresin insulator, copper electric conductor on epoxyresin insulator central axis, there is at epoxyresin insulator circumference the mounting flange of shading ring effect, described copper electric conductor two ends are processed with high pressure splicing ear, high pressure splicing ear is processed with wiring hole, epoxyresin insulator is provided with the sealed groove for installing O shape O-ring seal, mounting flange is processed with installing hole.From its Figure of description, micro-drum in the middle of its copper electric conductor, in the middle of epoxyresin insulator, upper and lower surface is plane.Find in actual use, if insulator surface and copper electric conductor transition position have the impurity such as metal fillings, non-uniform electric field will be produced because of impurity; If insulator surface and annular flange transition position have the impurity such as metal fillings, the electric field of dish-style sleeve surface also can be made by the impact of the impurity such as metal fillings, thus reduce withstand voltage level; In addition, because upper and lower surface in the middle of epoxyresin insulator is plane, the metal fillings produced when moving component in upper chamber is fallen after on dish-style sleeve pipe, will rest in the upper plane of epoxyresin insulator, the withstand voltage level of insulator surface can be affected like this, in addition, due to micro-drum in the middle of copper electric conductor, if adopt copper rod processing, not only processing difficulties, and waste material.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiencies in the prior art part, there is provided to meet and utilize dry air or nitrogen gas insulating, and effectively can shield the non-uniform electric field that the existence because of impurity produces, improve a kind of dish-style bus casing of dish-style sleeve pipe withstand voltage level.
The technical solution used in the present invention comprises insulator, mounting flange and copper electric conductor, the matrix of copper electric conductor is cylinder, in the middle part of the matrix of copper conductor, be connected with upper and lower 2 cross sections by spoke is circular ring shielding ring, described insulator is the dish-style structure with annular projection of upper and lower surface symmetry, and the axial cross section of described annular projection is circular arc
,form 2 concave surfaces on insulator, one is the first concave surface of insulator intermediate surface and copper electric conductor transition position, and another is the second concave surface of insulator surface and annular flange transition position.
Form 2 concave surfaces on insulator, one is the first concave surface of insulator intermediate surface and copper electric conductor transition position, and another is the second concave surface of insulator surface and annular flange transition position.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention adopts and installs annular shading ring at the middle part of cylindrical, copper conductor matrix by spoke and insulator is butterfly revolving body symmetrical structure, insulator upper and lower surface has annular projection, make insulator forms 2 concave surfaces, one is the first concave surface of insulator intermediate surface and copper electric conductor transition position, another is the second concave surface of insulator surface and annular flange transition position, thus make the present invention insulate reliably, electric fields uniform, shield effectiveness is good, if insulator intermediate surface and copper electric conductor transition position have the impurity such as metal fillings, by the effect of the shading ring on copper electric conductor in insulator, effectively can shield the non-uniform electric field because impurity produces, if insulator surface and annular flange transition position have the impurity such as metal fillings, the shielding action by mounting flange makes the electric field on dish-style bus casing surface not by the impact of the impurity such as metal fillings, thus improves withstand voltage level, insulator surface has the structure of annular projection, the metal fillings that moving component in upper chamber can be made to produce fall automatically slide to insulator intermediate surface and copper electric conductor transition position after on dish-style sleeve pipe the first concave surface in in the second concave surface of insulator surface and annular flange transition position, namely automatically slide in the shielding area of copper electric conductor shading ring and annular flange, make the existence of metal fillings excessively can not affect the withstand voltage level of insulator surface.
(2) copper electric conductor is cylindrical shape, and structure is simple, easy to process, and can save copper rod material.
Accompanying drawing explanation
Fig. 1 is main pseudosection of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is stereogram of the present invention;
Fig. 4 is copper electric conductor stereogram of the present invention;
Fig. 5 of the present inventionly installs and uses schematic diagram.
In figure:
1. copper electric conductor;
1-1. planar high-voltage splicing ear; 1-2. wiring hole; 1-3. shading ring;
2. insulator;
2-1. sealed groove; 2-2. first concave surface, 2-3. second concave surface, 2-4. annular projection,
3. mounting flange; 3-1. installing hole;
4. the first sealed unit high voltage bus;
5. the first sealed unit;
6. the first sealed unit housing;
7.O shape O-ring seal;
8. the second sealed unit;
9. the second sealed unit housing;
10. the second sealed unit high voltage bus.
Embodiment
As shown in Fig. 1 ~ Fig. 4, the present invention includes insulator 2, insulator 2 is provided with the sealed groove 2-1 for installing O shape O-ring seal, the outer rim of insulator 2 has circumferentially been provided with the mounting flange 3 of shielding action, mounting flange 3 is processed with installing hole 3-1, insulator 2 central axis is provided with cylindrical, copper electric conductor 1, the matrix two ends of described copper electric conductor 1 are processed with planar high-voltage splicing ear 1-1, planar high-voltage splicing ear 1-1 is processed with wiring hole 1-2, be the ring shielding ring 1-3 of circle by 3 to 4 spoke welding or upper and lower 2 cross sections that are threaded at the middle part of copper conductor 1, when insulator 2 is poured into a mould, after fixing with the mounting flange 3 being processed with installing hole 3-1 for the copper electric conductor 1 being provided with ring shielding ring 1-3, poured with epoxy resin is carried out by mould, make after cast, to become as a whole between copper electric conductor 1 and insulator 2 and between mounting flange 3 and insulator 2, described insulator 2 is the dish-style structure with annular projection 2-4 of upper and lower surface symmetry, the axial cross section of described annular projection 2-4 is circular arc, insulator 2 forms 2 concave surfaces, one is the first concave surface 2-2 of insulator 2 intermediate surface and copper electric conductor 1 transition position, another is the second concave surface 2-3 of insulator surface and annular flange transition position.
As shown in Figure 5, when reality uses, the present invention is arranged between the first sealed unit 5 and the second sealed unit 8, be fixed by the installing hole 3-1 on mounting flange 3 and the second sealed unit housing 9, can prevent dish-style bus casing from rotating about the axis like this, be conducive to the mounting design carrying out sealed unit mesohigh bus relative position; When carrying out the first sealed unit 5 and being connected with the second sealed unit 8, the insulator 2 of butterfly bus casing in the sealed groove 2-1 arranged load O shape O-ring seal 7, to be connected with the second sealed unit housing 9 by the first sealed unit housing 6 and dish-style bus casing is compressed, complete two sealed unit sealings each other and to external world, adopt this syndeton that the mounting flange of dish-style bus casing can be made not bear air chamber gas pressure to external world, like this neither be strict especially to the requirement of dish-style bus casing intensity when air chamber pressure is relatively high; After completing the sealing each other and to external world of two sealed unit, in two sealed unit, be filled with certain pressure dry air or nitrogen insulate, high voltage bus 4 in first sealed unit 5 and the high voltage bus 10 in the second sealed unit 8 are electrically connected by the wiring hole 1-2 of the high pressure splicing ear 1-1 of copper electric conductor 1, because coupling part is plane contact, centre does not have spring contact, contact resistance is reduced greatly, can be test and safe operation provide safeguard.In use, if there are the impurity such as metal fillings on insulator 2 surface with copper electric conductor 1 transition position, by the effect of the ring shielding ring 1-3 of 2 on copper electric conductor 1 in insulator 2, the non-uniform electric field because impurity produces can effectively be shielded; If there are the impurity such as metal fillings on insulator 2 surface with annular flange 3 transition position, the shielding action by mounting flange 3 makes the electric field on dish-style bus casing surface not by the impact of the impurity such as metal fillings, thus improves withstand voltage level; The metal fillings that in upper chamber, moving component produces falls the second concave surface 2-3 of the first concave surface 2-2 and insulator surface and the annular flange transition position automatically sliding to insulator 2 intermediate surface and copper electric conductor 1 transition position after on dish-style bus casing, namely automatically slide in the shielding area of ring shielding ring 1-3 on copper electric conductor 1 and annular flange 3, make metal fillings excessively can not affect the withstand voltage level of insulator surface, thus make that the present invention is insulated reliably, electric fields uniform, withstand voltage level are high.
Claims (1)
1. a dish-style bus casing, comprise insulator (2), mounting flange (3) and copper electric conductor (1), the matrix of copper electric conductor (1) is cylinder, it is characterized in that, in the middle part of the matrix of described copper conductor (1), be connected with upper and lower 2 cross sections by spoke is circular ring shielding ring (1-3), the dish-style structure of what described insulator (2) was upper and lower surface symmetry have annular projection (2-4), the axial cross section of described annular projection (2-4) is circular arc, at upper formation 2 concave surfaces of insulator (2), one is first concave surface (2-2) of insulator (2) intermediate surface and copper electric conductor (1) transition position, another is second concave surface (2-3) of insulator surface and annular flange transition position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279251.9A CN102780196B (en) | 2012-08-08 | 2012-08-08 | A kind of dish-style bus casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279251.9A CN102780196B (en) | 2012-08-08 | 2012-08-08 | A kind of dish-style bus casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102780196A CN102780196A (en) | 2012-11-14 |
| CN102780196B true CN102780196B (en) | 2015-09-02 |
Family
ID=47125008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279251.9A Active CN102780196B (en) | 2012-08-08 | 2012-08-08 | A kind of dish-style bus casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102780196B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256244A (en) * | 2018-11-22 | 2019-01-22 | 华北电力大学 | A kind of direct current transportation pipeline |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505607B (en) * | 2014-12-09 | 2017-11-24 | 国家电网公司 | A kind of bus tie and simultaneously cabinet |
| CN109243728B (en) * | 2018-11-22 | 2020-11-10 | 华北电力大学 | Direct current gas insulated metal enclosed transmission line insulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254529A (en) * | 2005-03-08 | 2006-09-21 | Toshiba Corp | Bus bar connecting device |
| CN201717548U (en) * | 2010-05-11 | 2011-01-19 | 安迪普科技(深圳)有限公司 | Busbar connection device and cabinet insulation seat thereof |
| CN102447227A (en) * | 2011-12-26 | 2012-05-09 | 沈阳华德海泰电器有限公司 | Double-pole dry air or nitrogen insulated metal closed switch cabinet for high-speed railway |
| CN202308800U (en) * | 2011-10-25 | 2012-07-04 | 沈阳华德海泰电器有限公司 | Disc-type bus bushing |
| CN202737431U (en) * | 2012-08-08 | 2013-02-13 | 沈阳华德海泰电器有限公司 | Dish type bus bushing |
-
2012
- 2012-08-08 CN CN201210279251.9A patent/CN102780196B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254529A (en) * | 2005-03-08 | 2006-09-21 | Toshiba Corp | Bus bar connecting device |
| CN201717548U (en) * | 2010-05-11 | 2011-01-19 | 安迪普科技(深圳)有限公司 | Busbar connection device and cabinet insulation seat thereof |
| CN202308800U (en) * | 2011-10-25 | 2012-07-04 | 沈阳华德海泰电器有限公司 | Disc-type bus bushing |
| CN102447227A (en) * | 2011-12-26 | 2012-05-09 | 沈阳华德海泰电器有限公司 | Double-pole dry air or nitrogen insulated metal closed switch cabinet for high-speed railway |
| CN202737431U (en) * | 2012-08-08 | 2013-02-13 | 沈阳华德海泰电器有限公司 | Dish type bus bushing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256244A (en) * | 2018-11-22 | 2019-01-22 | 华北电力大学 | A kind of direct current transportation pipeline |
| CN109256244B (en) * | 2018-11-22 | 2020-12-01 | 华北电力大学 | Direct current transmission pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102780196A (en) | 2012-11-14 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Disc-type bus sleeve Effective date of registration: 20171227 Granted publication date: 20150902 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: 2017210000027 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200609 Granted publication date: 20150902 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: 2017210000027 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Disc-type bus sleeve Effective date of registration: 20200610 Granted publication date: 20150902 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2020210000026 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230606 Granted publication date: 20150902 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2020210000026 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A disc type busbar bushing Effective date of registration: 20230607 Granted publication date: 20150902 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: Y2023210000139 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |