CN110912056B - Dense insulating bus duct without connector - Google Patents
Dense insulating bus duct without connector Download PDFInfo
- Publication number
- CN110912056B CN110912056B CN201911331660.7A CN201911331660A CN110912056B CN 110912056 B CN110912056 B CN 110912056B CN 201911331660 A CN201911331660 A CN 201911331660A CN 110912056 B CN110912056 B CN 110912056B
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- phase
- phase conductor
- conductor
- conductors
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- 239000004020 conductor Substances 0.000 claims abstract description 193
- 238000005452 bending Methods 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000010125 resin casting Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/007—Butt joining of bus-bars by means of a common bolt, e.g. splice joint
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The densely-insulated bus duct without the connector has the advantages that the staggered bending structures at the two ends of the multiphase phase conductors of the phase conductor groups are arranged at intervals, so that the two ends of the phase conductor groups respectively form a harpoon-shaped structure, the phase conductor groups of each section of bus segment are mutually matched, inserted and fixedly connected with the phase conductor groups of the adjacent bus segments through the end parts of the harpoon-shaped structure formed by staggered bending, the mechanical connection strength and the electrical connection performance can be simultaneously ensured, the connector does not need to be additionally arranged, the structure is simple and compact, the number of parts is small, the occupied space is small, the volume is small, the weight is light, the installation and connection operation is convenient, the resin casting process is simplified, the raw material consumption is low, and the cost is saved.
Description
Technical Field
The invention relates to a dense insulation bus duct without a connector.
Background
The bus trunk system in the power transmission and distribution products in the power industry is generally formed by combining a plurality of straight-line sections and bent bus duct products, and the bus duct products of each section are connected and conducted through connectors, so that the mechanical connection strength is ensured, and meanwhile, the electrical connection performance is ensured, therefore, the connector part structure of the traditional bus duct products is complex, the number of parts is large, the assembly and the connection are complex, the volume is large and heavy, the occupied space is large, and the installation and the connection operations are inconvenient; in particular, the resin casting bus also needs to specially position the connector during casting, the process is complex, the raw material consumption is high, and the cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing the dense insulation bus duct without a connector, which has the advantages of simple and compact structure, less number of parts, less occupied space, small volume, light weight, convenient installation and connection operation.
The invention relates to a dense insulation bus duct of a connector-free device, which comprises a phase conductor set, wherein the phase conductor set is formed by closely contacting and combining multiphase phase conductors, and is characterized in that: the multi-phase conductors of the phase conductor group are respectively linear first phase conductors positioned at the central position, second phase conductors and third phase conductors … …, which are symmetrically arranged at two sides of the linear conductors and are sequentially arranged from inside to outside, are respectively provided with staggered bending structures which are sequentially diffused from inside to outside at two ends of the nth phase conductors of the second phase conductors and the third phase conductors … …, and the staggered bending structures at two ends of the nth phase conductors of the first phase conductors, the second phase conductors and the third phase conductors … … are arranged at a long and short interval, so that two ends of the phase conductors group respectively form a fish-fork structure, and the fish-fork structure of each group of phase conductors group is mutually matched and fixedly connected with the fish-fork structure of the adjacent phase conductor group; one end of each phase conductor is a long end, the other end of each phase conductor is a short end, the long end of each phase conductor group can be directly and fixedly connected and conducted with the short end of the phase conductor at the corresponding position of the adjacent phase conductor group, and the short end of each phase conductor group can be directly and fixedly connected and conducted with the long end of the phase conductor at the corresponding position of the adjacent linear conductor group;
One end of each phase conductor is provided with a plurality of bolt connecting holes penetrating up and down, the other end of each phase conductor is provided with a corresponding number of long U-shaped slots at positions corresponding to the connecting holes, and the long U-shaped slot end of each phase conductor is fixedly connected and conducted with the connecting hole end of the phase conductor at the corresponding position of the adjacent linear conductor group through bolts;
The connecting hole end of each phase conductor is fixedly connected with an upper conductive bar and a lower conductive bar through bolts, and a space between the upper conductive bar and the lower conductive bar forms an inserting matching cavity of a long U-shaped slot end of the phase conductor at the corresponding position of the adjacent linear conductor group;
The upper and lower conductive bars are fixedly connected above and below the bolt connecting holes of the phase line conductors through the first connecting bolts, and the long U-shaped slot ends of the phase line conductors at the corresponding positions of adjacent phase line conductor groups are inserted into the space between the upper and lower conductive bars along the second connecting bolts in a matched manner and are fastened and connected through the first connecting bolts and the second connecting bolts;
The phase conductor set is a four-phase five-wire bus conductor set which is composed of a linear first phase conductor at the central position, a pair of second phase conductors and a pair of third phase conductors which are symmetrically arranged at two sides of the linear conductor and are sequentially arranged from inside to outside, the left ends of the first phase conductor and the third phase conductor are long ends, the right ends of the first phase conductor and the third phase conductor are short ends, the left ends of the second phase conductor are short ends, the right ends of the second phase conductor are long ends, 4 long U-shaped slots are uniformly arranged at the left ends of the first phase conductor, the second phase conductor and the third phase conductor along the width direction, and 4 bolt connecting holes are uniformly arranged at the right ends along the width direction; one of the pair of third phase conductors is a PE row;
The outside of the phase line conductor set is provided with a cover plate and a side plate, the cover plate and the side plate are combined to form an intensive insulated bus section, after the phase line conductor set of each section of intensive insulated bus section is fixedly connected with the phase line conductor set of the adjacent intensive insulated bus section, the outside of the joint is fixedly connected with the joint side plate and the joint cover plate through a joint connecting piece, so that an intensive insulated bus trunk system is formed;
And resin insulator is cast outside the phase conductor groups to form resin bus segments, and after the phase conductor groups of each section of resin bus segment are fixedly connected with the phase conductor groups of the adjacent resin bus segments, resin connecting sections are cast outside the connecting parts on site to form a resin bus trunk system.
The dense insulating bus duct without the connector has the advantages that the phase conductor groups of each bus segment are mutually matched, inserted and fixedly connected with the phase conductor groups of the adjacent bus segments through the end parts of the harpoon-shaped structure formed by staggered bending, so that the mechanical connection strength and the electrical connection performance can be ensured at the same time, the connector is not required to be additionally arranged, the structure is simple and compact, the number of parts is small, the occupied space is small, the volume is small, the weight is light, the installation and connection operation is convenient, the resin pouring process is simplified, the raw material consumption is low, and the cost is saved.
Drawings
Fig. 1 is a schematic plan view of a phase conductor set of a densely-insulated bus duct of a splice-free embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic plan view of a dense insulated bus duct of a connector-free embodiment of the present invention;
fig. 5 is a schematic plan view of a resin bus bar formed by casting resin into a phase conductor set of a dense insulated bus duct of a connector-free device according to an embodiment of the present invention.
Detailed Description
As shown in the figure, a dense insulated bus duct without a connector is provided, and the overall planning scheme is as follows:
The multi-phase conductors are closely contacted and combined to form a phase conductor group 1 of the compact bus duct product, the multi-phase conductors of the phase conductor group 1 are respectively a linear first phase conductor 13 positioned at the center position, a second phase conductor 12 and a third phase conductor … … which are symmetrically arranged at two sides of the linear conductors and are sequentially arranged from inside to outside, a plurality of pairs of phase conductors are arranged from the inside to the outside, two ends of the nth phase conductor of the second phase conductor and the third phase conductor … … are respectively provided with a staggered bending structure which is sequentially diffused from inside to outside, and the staggered bending structures at two ends of the nth phase conductor of the first phase conductor, the second phase conductor and the third phase conductor … … are arranged at intervals according to a length and a length, so that two ends of the phase conductor group respectively form a fish-fork structure, and the fish-fork structure of each group of the phase conductors is mutually matched and fixedly connected with the fish-fork structures of the adjacent phase conductor groups; the connecting points are also staggered at intervals, so that an operation space for fixed connection is conveniently provided; one end of each phase conductor is a long end, the other end of each phase conductor is a short end, the long end of each phase conductor group is directly and fixedly connected and conducted with the short end of the phase conductor at the corresponding position of the adjacent phase conductor group, the short end of each phase conductor group is directly and fixedly connected and conducted with the long end of the phase conductor at the corresponding position of the adjacent linear conductor group, and the connection is simple and convenient.
The specific connection structure of each phase line conductor is as follows:
The end of each phase conductor is provided with a plurality of bolt connecting holes 102 penetrating up and down, the other end of each phase conductor is provided with a corresponding number of long U-shaped slots 101 corresponding to the corresponding positions of the connecting holes 102, one end of each phase conductor provided with each long U-shaped slot 101 is fixedly connected and conducted with the end of the phase conductor provided with the connecting hole 102 at the corresponding position of the adjacent linear conductor group through bolts, meanwhile, the mechanical connection strength and the electrical connection performance are ensured, a connector is not required to be additionally arranged, the structure is simple and compact, the number of parts is small, the occupied space is small, and the size and the weight are light.
Further, the end part of each phase conductor provided with a connecting hole 102 is fixedly connected with the upper and lower conductive bars 6 through bolts, and the space between the upper and lower conductive bars 6 forms an inserting matching cavity of the end part of the phase conductor provided with the long U-shaped slot 101 at the corresponding position of the adjacent linear conductor group; through holes, first connecting bolts 4 and second connecting bolts 5 are respectively arranged at positions corresponding to the bolt connecting holes 102 and the long U-shaped slots 101 on the upper and lower conductive bars, the upper and lower conductive bars 6 are fixedly connected above and below the bolt connecting holes 102 of the phase conductors through the first connecting bolts 4, then the phase conductors at corresponding positions of adjacent phase conductor groups are inserted into the space between the upper and lower conductive bars 6 along the second connecting bolts 5 in a matched manner through the long U-shaped slots 101, and finally the upper and lower conductive bars are fastened and connected through the first connecting bolts 4 and the second connecting bolts 5, so that the electric cable is stable and reliable, balanced in stress and good in dynamic and thermal stability.
Further, the phase conductor set 1 is a four-phase five-wire bus conductor set composed of a linear first phase conductor 11 at a central position, a pair of second phase conductors 12 and a pair of third phase conductors 13 which are symmetrically arranged at two sides of the linear conductor and are sequentially arranged from inside to outside, the left ends of the first phase conductor 11 and the third phase conductors 13 are long ends, the right ends of the first phase conductors 11 and the third phase conductors 13 are short ends, the left ends of the second phase conductors 12 are short ends, the right ends of the second phase conductors are long ends, the size difference between all the long ends and the short ends is 100mm, the long ends are 49mm beyond the central position of a joint point according to the distance between the bus joints, and the short ends are retracted by 51mm from the central position of the joint point;
Still further, 4 long U-shaped slots are uniformly arranged at the left ends of the first phase conductor 11, the second phase conductor 12 and the third phase conductor 13 along the width direction, 4 bolt connections are uniformly arranged at the right end along the width direction, and the connection strength is high and the connection is reliable; one of the pair of third phase conductors 13 is provided as a PE row 14, which is stable in electrical performance and high in safety factor.
According to the first embodiment of the invention, the cover plate 3 and the side plate 2 are arranged outside the phase conductor set 1 to form the dense insulated bus segment in a combined mode, after the phase conductor set of each dense insulated bus segment is fixedly connected with the phase conductor set of the adjacent dense insulated bus segment, the joint side plate 7 and the joint cover plate 8 are fixedly connected outside the joint through the joint connecting piece 9, so that the dense insulated bus trunk system is formed, and the mechanical connection strength is ensured.
In the second embodiment of the present invention, the resin insulator 10 is cast outside the phase conductor set 1 to form a resin bus segment, and after the phase conductor set of each resin bus segment is fixedly connected with the phase conductor set of an adjacent resin bus segment, the resin connecting segment 11 is cast outside the junction to form a resin bus trunk system.
The dense insulating bus duct without the connector has the advantages that the phase conductor groups of each bus segment are mutually matched, inserted and fixedly connected with the phase conductor groups of the adjacent bus segments through the end parts of the harpoon-shaped structure formed by staggered bending, so that the mechanical connection strength and the electrical connection performance can be ensured at the same time, the connector is not required to be additionally arranged, the structure is simple and compact, the number of parts is small, the occupied space is small, the volume is small, the weight is light, the installation and connection operation is convenient, the resin pouring process is simplified, the raw material consumption is low, and the cost is saved.
Claims (3)
1. The utility model provides a concentrated insulating bus duct of exempt from connector, includes phase conductor group, and phase conductor group comprises the closely contacted combination of heterogeneous phase conductor, its characterized in that: the multi-phase conductors of the phase conductor group are respectively linear first phase conductors positioned at the central position, second phase conductors and third phase conductors … …, which are symmetrically arranged at two sides of the linear conductors and are sequentially arranged from inside to outside, are respectively provided with staggered bending structures which are sequentially diffused from inside to outside at two ends of the nth phase conductors of the second phase conductors and the third phase conductors … …, and the staggered bending structures at two ends of the nth phase conductors of the first phase conductors, the second phase conductors and the third phase conductors … … are arranged at a long and short interval, so that two ends of the phase conductors group respectively form a fish-fork structure, and the fish-fork structure of each group of phase conductors group is mutually matched and fixedly connected with the fish-fork structure of the adjacent phase conductor group; one end of each phase conductor is a long end, the other end of each phase conductor is a short end, the long end of each phase conductor group can be directly and fixedly connected and conducted with the short end of the phase conductor at the corresponding position of the adjacent phase conductor group, and the short end of each phase conductor group can be directly and fixedly connected and conducted with the long end of the phase conductor at the corresponding position of the adjacent linear conductor group;
The phase conductor set is a four-phase five-wire bus conductor set which is composed of a linear first phase conductor at the central position, a pair of second phase conductors and a pair of third phase conductors which are symmetrically arranged at two sides of the linear conductor and are sequentially arranged from inside to outside, the left ends of the first phase conductor and the third phase conductor are long ends, the right ends of the first phase conductor and the third phase conductor are short ends, the left ends of the second phase conductor are short ends, the right ends of the second phase conductor are long ends, 4 long U-shaped slots are uniformly arranged at the left ends of the first phase conductor, the second phase conductor and the third phase conductor along the width direction, and 4 bolt connecting holes are uniformly arranged at the right ends along the width direction; one of the pair of third phase conductors is a PE row;
One end of each phase conductor is provided with a plurality of bolt connecting holes penetrating up and down, the other end of each phase conductor is provided with a corresponding number of long U-shaped slots at positions corresponding to the connecting holes, and the long U-shaped slot end of each phase conductor is fixedly connected and conducted with the connecting hole end of the phase conductor at the corresponding position of the adjacent linear conductor group through bolts; the connecting hole end of each phase conductor is fixedly connected with an upper conductive bar and a lower conductive bar through bolts, and a space between the upper conductive bar and the lower conductive bar forms an inserting matching cavity of a long U-shaped slot end of the phase conductor at the corresponding position of the adjacent linear conductor group; the upper and lower conductive bars are fixedly connected above and below the bolt connection holes of the phase conductors through the first connecting bolts, and the long U-shaped slot ends of the phase conductors at corresponding positions of adjacent phase conductor groups are inserted into the space between the upper and lower conductive bars along the second connecting bolts in a matched manner and are fastened and connected through the first connecting bolts and the second connecting bolts.
2. The connector-free dense insulation bus duct of claim 1, wherein: the outside of the phase line conductor set is provided with a cover plate and a side plate, the phase line conductor sets of each section of the dense insulated bus segment are combined to form a dense insulated bus segment, and after the phase line conductor set of each section of the dense insulated bus segment is fixedly connected with the phase line conductor set of the adjacent dense insulated bus segment, the outside of the joint is fixedly connected with the joint side plate and the joint cover plate through joint connectors to form a dense insulated bus trunk system.
3. The connector-free dense insulated bus duct of claim 2, wherein: and resin insulator is cast outside the phase conductor groups to form resin bus segments, and after the phase conductor groups of each section of resin bus segment are fixedly connected with the phase conductor groups of the adjacent resin bus segments, resin connecting sections are cast outside the connecting parts on site to form a resin bus trunk system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331660.7A CN110912056B (en) | 2019-12-21 | 2019-12-21 | Dense insulating bus duct without connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331660.7A CN110912056B (en) | 2019-12-21 | 2019-12-21 | Dense insulating bus duct without connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110912056A CN110912056A (en) | 2020-03-24 |
| CN110912056B true CN110912056B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911331660.7A Active CN110912056B (en) | 2019-12-21 | 2019-12-21 | Dense insulating bus duct without connector |
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| Country | Link |
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| CN (1) | CN110912056B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211981437U (en) * | 2019-12-21 | 2020-11-20 | 江苏华鹏电力设备股份有限公司 | Intensive insulation bus duct without splicer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101130978B1 (en) * | 2010-06-23 | 2012-03-28 | 주식회사 아모텍 | Slim type stator and method of making the same, slim type motor having the stator, and direct drive apparatus for drum-washing machine |
| CN205193104U (en) * | 2015-11-06 | 2016-04-27 | 国家电网公司 | Relay protection testing is crossover sub for line |
| CN108418163B (en) * | 2018-03-29 | 2023-07-14 | 威腾电气集团股份有限公司 | Welding-free plug-in structure for split type dense bus duct |
| CN108258634B (en) * | 2018-03-29 | 2024-03-12 | 威腾电气集团股份有限公司 | Bus duct power supply system with hybrid structure |
| CN108899835B (en) * | 2018-06-01 | 2024-01-02 | 江苏士林电气设备有限公司 | Emergency special joint for dense bus |
| CN109473926B (en) * | 2018-12-20 | 2024-02-20 | 威腾电气集团股份有限公司 | Pin structure of bus duct tapping unit |
| CN209658838U (en) * | 2019-04-23 | 2019-11-19 | 郑州正凯电力设备有限公司 | A kind of attachment device suitable for illuminating bus slot |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211981437U (en) * | 2019-12-21 | 2020-11-20 | 江苏华鹏电力设备股份有限公司 | Intensive insulation bus duct without splicer |
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| CN110912056A (en) | 2020-03-24 |
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