CN104242202A - High-voltage non-segregated phase bus and mounting method thereof - Google Patents
High-voltage non-segregated phase bus and mounting method thereof Download PDFInfo
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- CN104242202A CN104242202A CN201410525910.1A CN201410525910A CN104242202A CN 104242202 A CN104242202 A CN 104242202A CN 201410525910 A CN201410525910 A CN 201410525910A CN 104242202 A CN104242202 A CN 104242202A
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Abstract
The invention discloses a high-voltage non-segregated phase bus which comprises an upper cover plate, a pressure relief passage, a shell, a bus conducting bar, a fixing support strip, an insulator and an insulator support plate. L-shaped fixing lateral supports are respectively disposed on two sides of the bus conducting bar. The upper ends of the fixing lateral supports are connected to the bus conducting bar through fixing bolts. The lower ends of the fixing lateral supports are connected with two ends of the fixing support strip in a compression manner through bolts. Compression gaskets are disposed between the fixing lateral supports and the fixing support strip. A semi-circular rear backup plate is connected to the rear portions of the fixing lateral supports. A groove clamping and fixing the bus conducting bar is formed in the rear backup plate. A hole is formed in the insulator support plate, and the lower end of the insulator corresponds to the hole in shape and extends into the hole. An elastic gasket is disposed at the connection of the bottom end face of the insulator with the bottom of the hole. An insulating partition is vertically disposed in the shell. The invention further discloses a mounting method of the high-voltage non-segregated phase bus. The high-voltage non-segregated phase bus is simple in structure, safe and reliable, low in voltage drop, flexible in orientation, convenient to mount and good in short circuit resistance.
Description
Technical field
The invention belongs to electric power system technical field, relate to a kind of high pressure and close common box bus and installation method thereof.
Background technology
Along with emerging in large numbers of modernization project facility and equipment, the fast increasing of power consumption of all trades and professions, the appearance in especially numerous skyscrapers and large-sized workshop workshop, traditional cable as transmission pressure can not meet the demands in big current conveying system, and the parallel connection of multiway cable uses and brings inconvenience to in-site installation construction connection.Plug type bus duct arises at the historic moment as a kind of new distribution wire, compared with traditional cable, its superiority is fully demonstrated when big current is carried, simultaneously owing to have employed new technology, new technology, the junction, bus duct both ends greatly reduced and the contact resistance of branching port splicing position and temperature rise, and in bus duct, employ high-quality insulating material, thus improve the security reliability of bus duct, make whole system more perfect.
High voltage common-case closed busbar system uses extensively in the market, bus duct is since appearance, by air type at first, intensive, progressively develop into present compound insulation type, its insulation mode in continuous improvement, but is subject to the restriction of environment for use, there is defect all the time in fire prevention, waterproof, anti-aging; Meanwhile, in use also there is certain potential safety hazard, when breaking down in high voltage common-case enclosed busbar, the high temperature and high pressure gas produced, very easily causes the accident, and impact is produced, this problem becomes increasingly conspicuous, and is badly in need of a kind of fail safe better, more reliable high voltage common-case closed busbar system.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of high pressure to close common box bus and installation method thereof, and the present invention has that structure is simple, safe and reliable, pressure drop is little, moves towards flexible, easy for installation, the advantages such as Short Circuit withstand performance is good.
In order to solve above technical problem, the invention provides a kind of high pressure and close common box bus, comprise upper cover plate, pressure release passage, housing, bus bars, fixed support, insulator and insulator supporting bracket, entablature is located at above housing, housing upper surface is provided with pressure release passage, bus bars is fixed on fixed support, fixed support lower end connecting insulator, insulator is arranged in insulator supporting bracket, bus bars both sides arrange L-type respectively and fix collateral branch's support, fixing collateral branch's support upper end is by gim peg connection bus busbar, its both sides, lower end to be compressed with fixed support both ends by bolt and are connected, compress gasket is provided with between the support of fixing collateral branch and fixed support, fixing collateral branch's support rear connects semicircle rear backup plate, rear backup plate is provided with groove, groove blocks fixing bus bars, insulator supporting bracket is provided with pothole, and insulator lower end shape is corresponding with pothole, and extend in pothole, and insulator bottom face and pothole bottom junctions are provided with elastomeric pad, vertically insulating barrier is provided with in housing.
The present invention designs between three and is separated separately, form three independently spaces, thus external magnetic field is produced less, also phase fault can be avoided, common box bus body is closed for high pressure, install damping pad in systems in which additional, elasticity support is realized to insulator and bus bars, avoid mechanical shock and the seismic wave destruction of bringing to enclosed busbar that shell produces preferably.
The technical scheme that the present invention limits further is:
Aforementioned pressure release passage is circle, triangle or polygon; Housing cross-sectional is rectangle or ellipse, and housing and upper cover plate are aluminum alloy material or copper; Insulating barrier, the support of fixing collateral branch, rear backup plate, fixed support and edge supporting bracket are one or more of PVC plastic flitch, bakelite plate, epoxy glass laminate or plastic plate; Compress gasket and elastomeric pad are silicagel pad, nitrile rubber pad or fluorubber pad.
The present invention has excellent Short Circuit withstand performance, owing to having the protection of aluminium alloy or copper shell, effectively can weaken the structure heating that eddy current or circulation cause, reduce enclosed busbar skin temperature, reduce electric energy loss, improve ampacity, alleviate electric power.
Further,
The present invention also provides a kind of high pressure to close the installation method of common box bus, comprises following concrete steps:
(1) along wall or pillar place, mounting and fixing bracket, crosses floor place and installs vibration abatement additional, do waterproof platform simultaneously;
(2) bus duct is reliably fixed on mounted fixed support, and vertical fixed range must not be greater than 2.5m, and horizontal laying height off the ground should not be less than 2.2m;
(3) install seal bootr in the termination of bus duct, the connection of the shell of each section of bus duct is detachable, has cross-over connection ground wire, two ends reliable ground between shell;
(4) bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, should expansion joint be set, cross over expansion joint or the subsiding crack place of building, when bus passing fire wall, fire-resisting floor, take quarantine measures of preventing fires;
(5) arrange mounted bus, whether tight check that joint connects, phase sequence is correct, and the earthing of casing, insulation are good, power transmission no-load running 24h phenomenon without exception.
The invention has the beneficial effects as follows:
Product of the present invention adopts expansion joint, install simple, the adjustment of level, vertical direction two degrees of freedom can be realized, different temperature drop can not only be met and the flexible requirement caused of expanding with heat and contract with cold, error caused by foundation settlement can also be compensated, the degree of protection solving conventional skateboard formula retractor device is poor, installs trouble, runs insecure shortcoming.
In order to solve the vibrations of generation when transformer, generator and power distribution cabinet run to the negative effect of enclosed busbar, being connected outer employing at it with enclosed busbar and being flexible coupling; In order to avoid the accidental dew condensation phenomenon that winter, outdoor, indoor variations in temperature produced, wall bushing is set at place through walls, makes outdoor completely isolated with indoor enclosed busbar; During at right angle setting, flange is interior, and when level is installed, flange outside; In order to the permission improving enclosed busbar groove runs temperature rise, prevent the electrolytic corrosion in coastal outdoor and air butt joint that couple corrosion is serious, reduce contact resistance, enclosed busbar electric current is more than or equal to 3000A joint and all adopts silver-plated process, make its joint allow temperature rise to bring up to 65K, be much higher than temperature rise when normally working.
The present invention has that structure is simple, safe and reliable, pressure drop is little, moves towards flexible, easy for installation, the advantages such as Short Circuit withstand performance is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, 1-upper cover plate, 2-pressure release passage, 3-housing, 4-insulating barrier, 5-bus bars, 6-gim peg, 7-fixes collateral branch's support, backup plate after 8-, 9-bolt, 10-compress gasket, 11-fixed support, 12-insulator, 13-insulator supporting bracket, 14-elastomeric pad.
Embodiment
embodiment 1
The present embodiment provides a kind of high pressure to close common box bus, structure as shown in Figure 1, comprise upper cover plate 1, pressure release passage 2, housing 3, bus bars 5, fixed support 11, insulator 12 and insulator supporting bracket 13, entablature 1 is located at above housing 3, housing 3 upper surface is provided with pressure release passage 2, bus bars 5 is fixed on fixed support 11, fixed support 11 lower end connecting insulator 12, insulator 12 is arranged in insulator supporting bracket 13, bus bars 5 both sides arrange L-type respectively and fix collateral branch's support 7, 7 upper ends are supportted by gim peg 6 connection bus busbar 5 by fixing collateral branch, its both sides, lower end are compressed with fixed support 11 both ends by bolt 9 and are connected, compress gasket 10 is provided with between fixing collateral branch support 7 and fixed support 11, fixing collateral branch supports 7 rears and connects semicircle rear backup plate 8, rear backup plate 8 is provided with groove, groove blocks fixing bus bars 5, insulator supporting bracket 13 is provided with pothole, and insulator 12 lower end shape is corresponding with pothole, and extend in pothole, and insulator 12 bottom face and pothole bottom junctions are provided with elastomeric pad 14, insulating barrier 4 is vertically provided with in housing 3.
Aforementioned pressure release passage 2 is circular; Housing (3) cross section is rectangle, and housing 3 and upper cover plate 1 are aluminum alloy material; Insulating barrier 4, fixing collateral branch support 7, rear backup plate 8, fixed support 11 and edge supporting bracket 13 are PVC plastic flitch; Compress gasket 10 and elastomeric pad 14 are silicagel pad.
The present embodiment product can be made into the splicing type enclosed busbar being provided with grafting junction box every a segment distance, also can be made into the middle feeding type enclosed bus not with junction box, in the electric power system of skyscraper, power and illuminating line are often provided separately, bus duct as power supply backbone in electric shaft along wall at right angle setting one time or many times.
embodiment 2
The present embodiment provides a kind of high pressure to close the installation method of common box bus, comprises following concrete steps:
(1) along wall or pillar place, mounting and fixing bracket, crosses floor place and installs vibration abatement additional, do waterproof platform simultaneously;
(2) bus duct is reliably fixed on mounted fixed support, and vertical fixed range must not be greater than 2.5m, and horizontal laying height off the ground should not be less than 2.2m;
(3) install seal bootr in the termination of bus duct, the connection of the shell of each section of bus duct is detachable, has cross-over connection ground wire, two ends reliable ground between shell;
(4) bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, should expansion joint be set, cross over expansion joint or the subsiding crack place of building, when bus passing fire wall, fire-resisting floor, take quarantine measures of preventing fires;
(5) arrange mounted bus, whether tight check that joint connects, phase sequence is correct, and the earthing of casing, insulation are good, power transmission no-load running 24h phenomenon without exception.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (6)
1. a high pressure closes common box bus, comprise upper cover plate (1), pressure release passage (2), housing (3), bus bars (5), fixed support (11), insulator (12) and insulator supporting bracket (13), described housing (3) top is located at by described entablature (1), described housing (3) upper surface is provided with pressure release passage (2), described bus bars (5) is fixed on described fixed support (11), described fixed support (11) lower end connecting insulator (12), described insulator (12) is arranged in insulator supporting bracket (13), it is characterized in that, described bus bars (5) both sides arrange L-type respectively and fix collateral branch's support (7), described fixing collateral branch's support (7) upper end connects described bus bars (5) by gim peg (6), its both sides, lower end are compressed with described fixed support (11) both ends by bolt (9) and are connected, compress gasket (10) is provided with between described fixing collateral branch's support (7) and described fixed support (11), described fixing collateral branch's support (7) rear connects semicircle rear backup plate (8), described rear backup plate (8) is provided with groove, described groove blocks fixing described bus bars (5),
Described insulator supporting bracket (13) is provided with pothole, and described insulator (12) lower end shape is corresponding with described pothole, and extend in pothole, and described insulator (12) bottom face and pothole bottom junctions are provided with elastomeric pad (14); Insulating barrier (4) is vertically provided with in described housing (3).
2. high pressure according to claim 1 closes common box bus, it is characterized in that, described pressure release passage (2) is circle, triangle or polygon.
3. high pressure according to claim 1 closes common box bus, it is characterized in that, described housing (3) cross section is rectangle or ellipse, and described housing (3) and upper cover plate (1) are aluminum alloy material or copper.
4. high pressure according to claim 1 closes common box bus, it is characterized in that, one or more that (7), rear backup plate (8), fixed support (11) and edge supporting bracket (13) are PVC plastic flitch, bakelite plate, epoxy glass laminate or plastic plate support in described insulating barrier (4), fixing collateral branch.
5. high pressure according to claim 1 closes common box bus, it is characterized in that, described compress gasket (10) and elastomeric pad (14) are silicagel pad, nitrile rubber pad or fluorubber pad.
6. high pressure closes an installation method for common box bus, it is characterized in that, comprises following concrete steps:
(1) along wall or pillar place, mounting and fixing bracket, crosses floor place and installs vibration abatement additional, do waterproof platform simultaneously;
(2) bus duct is reliably fixed on mounted fixed support, and vertical fixed range must not be greater than 2.5m, and horizontal laying height off the ground should not be less than 2.2m;
(3) install seal bootr in the termination of bus duct, the connection of the shell of each section of bus duct is detachable, has cross-over connection ground wire, two ends reliable ground between shell;
(4) bus and equipment are adopted soft strength, when enclosed bus lay length is more than 40m, should expansion joint be set, cross over expansion joint or the subsiding crack place of building, when bus passing fire wall, fire-resisting floor, take quarantine measures of preventing fires;
(5) arrange mounted bus, whether tight check that joint connects, phase sequence is correct, and the earthing of casing, insulation are good, power transmission no-load running 24h phenomenon without exception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525910.1A CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410525910.1A CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
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| Publication Number | Publication Date |
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| CN104242202A true CN104242202A (en) | 2014-12-24 |
| CN104242202B CN104242202B (en) | 2017-02-15 |
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| CN201410525910.1A Active CN104242202B (en) | 2014-10-08 | 2014-10-08 | High-voltage non-segregated phase bus and mounting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811254A (en) * | 2016-05-25 | 2016-07-27 | 正泰电气股份有限公司 | Rhombic nonsegregated-phase busbar |
| CN108718070A (en) * | 2018-07-27 | 2018-10-30 | 江苏银佳电气设备有限公司 | A kind of bus duct |
| CN109217213A (en) * | 2017-06-29 | 2019-01-15 | 河南平高电气股份有限公司 | A kind of busbar supporting device and the bus transmission system using the support device |
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| EP0572096B1 (en) * | 1992-05-29 | 1996-11-20 | Elin Holec High Voltage B.V. | Bus-bar conductor system for high voltage systems |
| CN2288537Y (en) * | 1996-09-28 | 1998-08-19 | 毛汉文 | Fire-resistant concentrated bus slot |
| CN202150675U (en) * | 2011-06-28 | 2012-02-22 | 平高集团有限公司 | Bus supporting structure |
| CN202285317U (en) * | 2011-10-19 | 2012-06-27 | 湖北兴和电力新材料股份有限公司 | Three-phase nonsegregated insulation sealed pipe type bus |
| CN103515896A (en) * | 2012-06-20 | 2014-01-15 | 扬州蓝海电气有限公司 | High-voltage common-box bus |
| CN203813306U (en) * | 2014-04-15 | 2014-09-03 | 江苏亿能电气有限公司 | Pressure release device of high-pressure common box enclosed busbar system |
| CN204205494U (en) * | 2014-10-08 | 2015-03-11 | 镇江市亚东高压电器厂 | A kind of high pressure closes common box bus |
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2014
- 2014-10-08 CN CN201410525910.1A patent/CN104242202B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0572096B1 (en) * | 1992-05-29 | 1996-11-20 | Elin Holec High Voltage B.V. | Bus-bar conductor system for high voltage systems |
| CN2288537Y (en) * | 1996-09-28 | 1998-08-19 | 毛汉文 | Fire-resistant concentrated bus slot |
| CN202150675U (en) * | 2011-06-28 | 2012-02-22 | 平高集团有限公司 | Bus supporting structure |
| CN202285317U (en) * | 2011-10-19 | 2012-06-27 | 湖北兴和电力新材料股份有限公司 | Three-phase nonsegregated insulation sealed pipe type bus |
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| CN203813306U (en) * | 2014-04-15 | 2014-09-03 | 江苏亿能电气有限公司 | Pressure release device of high-pressure common box enclosed busbar system |
| CN204205494U (en) * | 2014-10-08 | 2015-03-11 | 镇江市亚东高压电器厂 | A kind of high pressure closes common box bus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811254A (en) * | 2016-05-25 | 2016-07-27 | 正泰电气股份有限公司 | Rhombic nonsegregated-phase busbar |
| CN109217213A (en) * | 2017-06-29 | 2019-01-15 | 河南平高电气股份有限公司 | A kind of busbar supporting device and the bus transmission system using the support device |
| CN108718070A (en) * | 2018-07-27 | 2018-10-30 | 江苏银佳电气设备有限公司 | A kind of bus duct |
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| Publication number | Publication date |
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| CN104242202B (en) | 2017-02-15 |
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