CN111129892B - Three-phase conductor adapter - Google Patents
Three-phase conductor adapter Download PDFInfo
- Publication number
- CN111129892B CN111129892B CN201911194153.3A CN201911194153A CN111129892B CN 111129892 B CN111129892 B CN 111129892B CN 201911194153 A CN201911194153 A CN 201911194153A CN 111129892 B CN111129892 B CN 111129892B
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- China
- Prior art keywords
- phase
- conductor
- phase conductor
- conductors
- sealing
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- 239000004020 conductor Substances 0.000 title claims abstract description 155
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 238000000819 phase cycle Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/005—Electrical connection between switchgear cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a three-phase conductor adapter, which comprises a sealing cylinder and sealing flanges arranged at two ends of the sealing cylinder, wherein three adapter inserts are respectively horizontally and vertically arranged on the two sealing flanges, a three-phase conductor is arranged in the sealing cylinder, the conductors at two sides comprise bent sections, the bent sections of the conductors at two sides are symmetrical about the center of a middle conductor, and the end parts at two sides of the three-phase conductor are respectively in a horizontal line shape and a vertical line shape due to the bent sections and are used for connecting the corresponding adapter inserts on the two sealing flanges. When the three-phase conductor adapter is used, the in-line arrangement mode of three-phase conductors of the gas insulated metal-enclosed switchgear can be converted by the three-phase conductor adapter, and when the routing needs to be reversed towards the in-line extending direction, the in-line arrangement mode can be changed firstly, the routing is changed into the direction perpendicular to the in-line direction, and the interference between the conductors is avoided; after the two groups of three-phase conductor conversion connectors are butted together, the phase sequence interchange can be realized on the basis of not changing the linear arrangement mode.
Description
Technical Field
The invention relates to a three-phase conductor adapter.
Background
At present, most of gas insulated metal-enclosed switchgear is designed into a three-phase common box type in the market, the arrangement mode of a three-phase conductor is triangular and linear, and the gas insulated metal-enclosed switchgear with the three-phase arranged in a linear manner is gradually accepted by the market due to the advantages of simple structure, high utilization rate of three-phase parts and the like. However, in the structure that the three phases are arranged in a straight line, under special working conditions, the three-phase conductors need to be switched back and forth between the vertical straight line and the horizontal straight line, or A, C phases need to be exchanged in phase sequence, but at present, there is no good way to realize the switching of the arrangement mode and the exchange of the phase sequence.
Disclosure of Invention
The invention aims to provide a three-phase conductor adapter so as to solve the problems that in the prior art, three-phase gas-insulated metal-enclosed switchgear with linear arrangement cannot realize back-and-forth conversion and phase sequence interchange in vertical linear and horizontal linear arrangement modes.
In order to achieve the purpose, the technical scheme of the three-phase conductor adapter connector is as follows:
a three-phase conductor crossover sub, comprising:
the sealing device comprises a sealing cylinder body, wherein sealing flanges are arranged at two ends of the sealing cylinder body, three switching inserts which are vertically arranged are arranged on the sealing flange at one end, and three switching inserts which are horizontally arranged are arranged on the sealing flange at the other end;
the three-phase conductors are positioned in the sealing cylinder, the conductors on two sides comprise bent sections, the bent sections of the conductors on two sides are symmetrical about the center of the middle conductor, the end parts of the three-phase conductors on the same side are horizontally arranged, and the end parts of the three-phase conductors on the other side are vertically arranged;
the end parts of two sides of the three-phase conductor are respectively connected with the corresponding switching inserts on the two sealing flanges.
The invention has the beneficial effects that: the positions of the outer conductors relative to the middle conductor are changed through the bending sections of the two side conductors in the three-phase conductors, so that the two ends of the three-phase conductors can be respectively connected with the switching inserts which are vertically arranged and horizontally arranged on the sealing flanges at the two ends of the sealing cylinder body in a straight-line vertical and horizontal manner, when the three-phase conductor adapter is used on the gas-insulated metal-enclosed switchgear with the three-phase conductors arranged in a straight line, the straight-line arrangement manner of the three-phase conductors of the gas-insulated metal-enclosed switchgear can be switched, for example, the three-phase conductors are converted into the three-phase conductors in a straight horizontal manner in a vertical; when the three-phase conductors need to be subjected to reversing wiring in the linear extending direction, three phases of the direct reversing wiring are mutually interfered, the arrangement mode of the three-phase conductors is changed through the conversion structure, and the arrangement mode of the three-phase conductors is perpendicular to the original mode, so that the reversing wiring is carried out, and the reversing conductors are not mutually interfered; in addition, when two groups of three-phase conductor conversion connectors are adopted, after the two groups of three-phase conductor conversion connectors are connected together in a butt joint mode, the interchange of the phase sequence of the A phase and the phase sequence of the C phase can be realized on the basis of not changing the original in-line arrangement mode of the three-phase conductors; the special requirements of various practical working conditions are met.
Furthermore, the three-phase conductors are all arranged in a segmented mode, sliding insertion structures are arranged between adjacent segments, and insertion connection capable of sliding relatively in the length direction is achieved through the sliding insertion structures. But adopt the segmentation to set up simultaneously through the slip grafting structure messenger between the adjacent section relative slip in length direction, can realize the regulation to three-phase conductor total length, when the assembly, can the adaptation seal the installation of barrel both ends sealing flange, compensate the error that machining precision and assembly brought, and then guarantee that three-phase conductor crossover sub has good leakproofness after the assembly is accomplished.
Furthermore, the three-phase conductor is equally divided into two sections, and the two-phase conductor at two sides comprises a straight section and a bent section. The three-phase conductor is arranged in two sections, so that the three-phase conductor is prevented from being too complex to process and manufacture compared with a structure adopting three or more sections on the basis of realizing the adjustment of the total length of the three-phase conductor.
Furthermore, the sliding insertion structure is a sliding contact seat connected to one end of the bending section. The sliding contact seat is a sliding plug-in conductive structure commonly used in the field, and has a simple structure and low cost.
Furthermore, one end of the bending section is provided with a threaded hole and is connected with the sliding contact seat through a bolt penetrating in the threaded hole, and the other end of the bending section is provided with a stepped counter bore and is connected with the corresponding switching insert through a bolt penetrating in the stepped counter bore. The threaded hole is easy to process, and the bolt is matched with the threaded hole to be connected with the sliding contact seat, so that the connection is reliable; the stepped counter bore can shield the bolt, thereby avoiding affecting the electrical performance.
Furthermore, the three-phase conductors can also be of an integrated structure, and the end part of one side of each three-phase conductor is connected with the corresponding adapter insert through a sliding insertion structure. The integrated structure is adopted, and multiple sections of conductors of each phase do not need to be processed, so that the processing amount is reduced, and the manufacture is convenient; and directly be connected through slip grafting structure and the switching inserts that corresponds, compare with the segmentation setting, satisfy can compensate processing and assembly error's basis on, still be favorable to reducing three-phase conductor's overall length.
Furthermore, the sliding insertion structure is a sliding contact seat, the end part of one side of the three-phase conductor is provided with an insertion straight line section which is in sliding insertion fit with the sliding contact seat, and the sliding contact seat is fixed on the switching insert. The sliding contact seat is simple in structure and low in cost, a threaded hole is formed in the insert, the fixing of the sliding contact seat is facilitated, one end of a three-phase conductor only needs to be machined into a plug-in mounting straight-line section used for the plug-in mounting, and the machining of the straight-line section is simple.
Further, for the segmented three-phase conductors, both end faces of each segmented conductor are silver-plated. The end face silver plating improves the conductivity of the connecting position and ensures the conductivity.
Further, the two conductors on both sides have the same structure. The two conductors on the two sides have the same structure and can be used universally, and installation errors cannot occur in use.
Drawings
Fig. 1 is a schematic structural view of a three-phase conductor crossover joint according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of a bending section in example 1;
FIG. 3 is a cross-sectional view of the connecting end of the slider of the bend of embodiment 1;
FIG. 4 is a cross-sectional view of the insert connecting end of the bend segment of example 1;
fig. 5 is a schematic structural view of a three-phase conductor crossover sub of embodiment 2 of the present invention;
FIG. 6 is a schematic view of the conductor structure of phase A or phase C in example 2;
FIG. 7 is a schematic view of a B-phase conductor structure in example 2;
in the figure: the method comprises the following steps of 1-sealing cylinder body, 2-sealing flange, 3-switching insert, 4-bending section, 41-insert connecting end, 411-stepped counter bore, 42-sliding seat connecting end, 421-threaded hole, 5-sliding contact seat, 6-reversing wiring hole, 7-reversing conductor, 8-inserting straight line segment, A-A phase conductor, B-B phase conductor and C-C phase conductor.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the three-phase conductor adapter of the present invention, as shown in fig. 1, the three-phase conductor adapter includes a sealing cylinder 1, sealing flanges 2 are respectively disposed at left and right ends of the sealing cylinder 1, three adapter inserts 3 are vertically disposed on the sealing flange 2 at the left end, and three adapter inserts 3 are horizontally disposed on the sealing flange 2 at the right end.
Be provided with the three-phase conductor in the sealed barrel 1, the three-phase conductor is including being located the middle B looks conductor to and be located A looks conductor and the C looks conductor of B looks conductor both sides, in this embodiment, A, B, C three-phase conductor comprises two sections, middle B looks conductor includes two sections straightways, the A looks conductor and the C looks conductor of both sides all include straightway and bending segment 4, the 3 structures of bending segment of A looks conductor and C looks conductor are the same, can be general, can not the mistake of installation during the use, A, C two-phase conductor overall structure is also the same after the assembly.
A. B, C the two sections that three-phase conductor branch was established are connected through sliding contact seat 5, after the connection, make A, B, C three-phase conductor be close to the tip horizontal arrangement of right-hand member sealing flange one side to with the three switching inserts 3 of the last level setting of right-hand member sealing flange 2 be connected, because A looks conductor and C looks conductor have the bending segment, the bending segment makes the tip vertical arrangement of A, B, C three-phase conductor near left end sealing flange one side, and with the three switching inserts 3 of the last vertical setting of left end sealing flange 2 be connected.
Taking the phase a conductor as an example, the connection mode between the three-phase conductor and the sliding contact base 5 is divided into two sections: as shown in fig. 2 and fig. 3, two ends of the bending section 4 respectively form an insert connecting end 41 connected to the corresponding adapter insert and a contact base connecting end 42 connected to the sliding contact base 5, wherein the contact base connecting end 42 is processed with a threaded hole 421, and is connected to the sliding contact base 5 through a bolt inserted into the threaded hole, and one end of the straight line section of the a-phase conductor is directly inserted into the sliding contact base 5 to be in guiding insertion fit with the sliding contact base 5. The connection mode of the two sections of conductors of the B phase and the C phase with the sliding contact seat 5 is the same as that of the conductor of the A phase, and both adopt the mode that a threaded hole is arranged on one section of conductor to be connected with the sliding contact seat 5, and one end of the other section of conductor is directly inserted into the sliding contact seat 5 to be in guiding insertion fit with the sliding contact seat 5. Sliding contact seat 5 has constituted the slip grafting structure, and when using, the direction cartridge can change the depth of insertion and adjust A, B, C three-phase conductor's overall length at the straightway in sliding contact seat 5, and the error that compensation machining precision and assembly brought can the adaptation seal the installation of barrel both ends sealing flange, and then guarantees that three-phase conductor crossover sub has good leakproofness after the assembly is accomplished.
In order to ensure the reliability of the conduction, both end faces of each section of the three-phase conductor are plated with silver.
Referring to fig. 4, in the present embodiment, the insert connecting end 41 of the bent section 4 is processed with a stepped counterbore 411, and the corresponding adaptor insert 3 is connected by a bolt inserted into the stepped counterbore, in which two straight line segments of the B-phase conductor and a straight line segment of the A, C-phase conductor are connected with the corresponding adaptor insert 3 in this way.
When the first embodiment of the three-phase conductor conversion connector is used, the arrangement mode of the end parts at two sides of the three-phase conductor is changed through the bent sections 4 of the A, C two-phase conductors, the back-and-forth conversion between the arrangement mode of the vertical straight line and the arrangement mode of the horizontal straight line is realized, the vertical straight-line three-phase conductor can be directly butted with the horizontal straight-line three-phase conductor through the three-phase conductor conversion connector, and the vertical straight line can be changed into the horizontal straight line, the three-phase conductors are changed into the arrangement mode along the horizontal direction and then are led upwards through the three-phase conductor conversion connector in the prior art, so that the interference cannot be generated.
In addition, when two groups of three-phase conductor conversion connectors are adopted, after the two groups of three-phase conductor conversion connectors are connected together in a butt joint mode, the exchange of the phase sequence of the A phase and the phase sequence of the C phase can be realized on the basis of not changing the in-line arrangement mode, and the special requirements of the actual working condition are met.
In this embodiment, the side wall of the sealing cylinder 1 is further provided with a reversing wiring hole 6, and a reversing conductor 7 conductively connected with A, B, C three-phase conductors is arranged in the hole in a penetrating manner, so that for the actual requirement that the reversing wiring is needed after the in-line arrangement mode of the three-phase conductors is switched, the reversing conductor in the reversing wiring hole 7 of the three-phase conductor switching connector can be directly wired, and the use is convenient; set up like this simultaneously and constitute three electrically conductive link at the left and right ends and the lateral wall of sealed barrel, can satisfy multiple power consumption wiring demand.
As shown in fig. 5-7, embodiment 2 of the three-phase conductor crossover sub of the present invention is different from embodiment 1 in that no commutation wiring hole 6 is provided on the sealing cylinder 1, no commutation conductor 7 is provided, and A, B, C three-phase conductors are all of an integral structure, and the A, C-phase conductor includes a bending section 4 and an insertion straight-line section 8 for sliding insertion fit with the sliding contact base 5, the B-phase conductor also includes an insertion straight-line section 8, the insertion straight-line section 8 of A, B, C three-phase conductor is slidably inserted in the sliding contact base 5, and the sliding contact base 5 is fixedly connected to the crossover insert 3. Set up like this, on making A, B, C three-phase conductor cooperation sliding contact seat 5 realize compensating the error that machining precision and assembly brought, reduced the processing number of times of each looks conductor, reduce the manufacturing degree of difficulty, can also shorten three-phase conductor's length greatly simultaneously, and then reduce three-phase conductor crossover sub's volume. The phase A conductor and the phase C conductor have the same structure.
Claims (5)
1. A three-phase conductor crossover joint, comprising:
the sealing device comprises a sealing cylinder body, wherein sealing flanges are arranged at two ends of the sealing cylinder body, three switching inserts which are vertically arranged are arranged on the sealing flange at one end, and three switching inserts which are horizontally arranged are arranged on the sealing flange at the other end;
the three-phase conductors are positioned in the sealing cylinder, the conductors on two sides comprise bent sections, the bent sections of the conductors on two sides are symmetrical about the center of the middle conductor, the end parts of the three-phase conductors on the same side are horizontally arranged, and the end parts of the three-phase conductors on the other side are vertically arranged;
the end parts of two sides of the three-phase conductor are respectively connected with the corresponding switching inserts on the two sealing flanges;
the three-phase conductors are arranged in sections, a sliding insertion structure is arranged between adjacent sections, insertion connection capable of sliding relatively in the length direction is achieved through the sliding insertion structure, and the sliding contact seat forms the sliding insertion structure;
the side wall of the sealing cylinder body is also provided with a reversing wiring hole, a reversing conductor in conductive connection with the three-phase conductor penetrates through the reversing wiring hole, the reversing conductor is connected to the sliding contact seats, the three sliding contact seats are arranged side by side, and the left end, the right end and the side wall of the sealing cylinder body form three conductive connection ends.
2. The three-phase conductor crossover joint of claim 1, wherein: the three-phase conductor is equally divided into two sections, and the two-phase conductor at two sides comprises a straight section and a bent section.
3. The three-phase conductor crossover joint of claim 2, wherein: one end of the bending section is provided with a threaded hole and is connected with the sliding contact seat through a bolt penetrating in the threaded hole, and the other end of the bending section is provided with a stepped counter bore and is connected with a corresponding switching insert through a bolt penetrating in the stepped counter bore.
4. The three-phase conductor crossover joint of any one of claims 1-3, wherein: the two end faces of each sectional conductor are plated with silver.
5. The three-phase conductor crossover joint of any one of claims 1-3, wherein: the two conductors on both sides have the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194153.3A CN111129892B (en) | 2019-11-28 | 2019-11-28 | Three-phase conductor adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194153.3A CN111129892B (en) | 2019-11-28 | 2019-11-28 | Three-phase conductor adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111129892A CN111129892A (en) | 2020-05-08 |
| CN111129892B true CN111129892B (en) | 2021-05-14 |
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ID=70497287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911194153.3A Active CN111129892B (en) | 2019-11-28 | 2019-11-28 | Three-phase conductor adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111129892B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004027470A1 (en) * | 2004-06-04 | 2006-02-23 | Abb Technology Ag | Switch-gear module e.g. for HV switching stations, uses end region of conductor elements to grip through connecting flanges |
| CN201508984U (en) * | 2009-10-09 | 2010-06-16 | 青岛特锐德电气股份有限公司 | Cable joint connecting piece |
| CN103560401B (en) * | 2013-11-11 | 2015-12-09 | 国家电网公司 | A kind of buses of insulation tubes phase change method |
| CN203734198U (en) * | 2013-11-19 | 2014-07-23 | 川开电气股份有限公司 | Internal phase change structure of GIS equipment |
| CN205230883U (en) * | 2015-11-10 | 2016-05-11 | 川开电气有限公司 | Novel 110kV combined electrical apparatus three -station isolation switch positioning frock |
| CN105489436B (en) * | 2015-12-31 | 2019-01-22 | 平高集团有限公司 | A kind of three-phase combined type type breaker and its supporting element |
| CN106848910A (en) * | 2017-04-25 | 2017-06-13 | 川开电气有限公司 | A kind of GIS inside commutation transposition structure |
| CN109509686B (en) * | 2018-10-29 | 2024-03-26 | 浙江正泰电器股份有限公司 | Combined breaker connector |
| CN110047692B (en) * | 2019-04-11 | 2021-08-06 | 平高集团有限公司 | Three-phase common-box arranged electric switch |
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2019
- 2019-11-28 CN CN201911194153.3A patent/CN111129892B/en active Active
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| CN111129892A (en) | 2020-05-08 |
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