CN203039335U - Full-direct current multi-branch device with cooling devices - Google Patents
Full-direct current multi-branch device with cooling devices Download PDFInfo
- Publication number
- CN203039335U CN203039335U CN 201220647678 CN201220647678U CN203039335U CN 203039335 U CN203039335 U CN 203039335U CN 201220647678 CN201220647678 CN 201220647678 CN 201220647678 U CN201220647678 U CN 201220647678U CN 203039335 U CN203039335 U CN 203039335U
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- China
- Prior art keywords
- direct current
- isolated bus
- isolated
- insulation tube
- shielding
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Abstract
Disclosed in the utility model is a full-direct current multi-branch device with cooling devices. The full-direct current multi-branch device comprises an inlet isolated bus and outlet isolated buses; and a shielding insulated cylinder is installed outside the connection position of the inlet isolated bus and the outlet isolated buses. The shielding insulated cylinder consists of a conductor/semiconductor high-voltage shield, an insulated layer, a ground shield, and an insulated sheath, wherein the components are successively arranged from inside to outside; and sealed flanges are respectively arranged at two ends of the shielding insulated cylinder and at least one through hole for entering of the wiring terminals of the isolated buses into the shielding insulated cylinder is arranged on the sealed flanges. The wiring terminal/terminals, entering the shielding insulated cylinder through the through holes of the sealed flanges, of one or multiple inlet isolated buses is/are connected with the wiring terminal/terminals of one or multiple outlet isolated buses by soft conductive plates and bolts; and cooling devices are arranged at the soft conductive plates. According to the full-direct current multi-branch device, because of the arrangement of the shielding insulated cylinder at the bus connection position, the level is gradually reduced from inside to outside until the level is reduce to the zero, the electric field is uniformly distributed, the partial discharging is reduced, and the properties of security and reliability are realized. And convergence or shunting of multi-branch isolated buses with high voltages and heavy currents can be realized.
Description
Technical field
The utility model relates to a kind of link, particularly a kind of full direct current multiple-limb device with heat abstractor.
Background technology
The cable branch unit is widely used in electric power systems such as skyscraper, urban operating mechanism, bridge, tunnel.Traditional cable branch unit, the needs that have block main cable, and breakpoint multiple faults point is just many.Conducting position is directly exposed, has potential safety hazard (T connects case as cable).The volume that has is big, cost is high, it is loaded down with trivial details, non-watertight to install, not dustproof, unshielded grade (as plug-board bus bar).The material that has is different with the cable material, unlike material temperature rise difference, and easily oxidation causes looseningly, and ampacity reduces, and can not satisfy the specification requirement (as penetrating cable clamp) of electric cable with large cross-section shunting.Although what have is identical with the cable material, because the conducting position contact area is little, still can not satisfy big line footpath cable shunting (as the T connecting terminal).
Isolated bus adopts naked the connection with isolated bus, and the naked leakage of HV Terminal is in the air outside, does not have capacitance plate all to press insulation protection, and joint Electric Field Distribution inequality is easy to generate discharge and the shorted to earth accident takes place, and has potential safety hazard.Simultaneously, isolated bus also only is outlet of a corresponding connection of inlet wire with the connection of isolated bus, this is for the building wiring installation of multiple power supplies inlet wire and the outlet of multichannel load, and man-to-man connection not only needs bus is carried out layout design, also makes troubles to installation.
The utility model content
The purpose of this utility model be to provide a kind of have all press insulation protection, the full direct current multiple-limb device of band heat abstractor safe and reliable to operation.
Technical solution of the present utility model is: a kind of full direct current multiple-limb device with heat abstractor, comprise into, go out isolated bus, advancing, the outside that goes out the isolated bus junction adds the shielding insulation tube, the shielding insulation tube is by from inside to outside setting gradually conductor or semiconductor high pressure screen, insulating barrier, ground screen and insulating sleeve constitute, the two ends of shielding insulation tube are respectively equipped with sealing flange, at least arranging one on the sealing flange can allow the isolated bus binding post enter the interior through hole of shielding insulation tube, in the sealing flange through hole enters the shielding insulation tube one or more advances the isolated bus binding post and goes out between the binding post of isolated bus with one or more and be connected with bolt by soft conductive plate, wherein soft conductive plate is provided with heat abstractor, and described heat abstractor comprises aluminium base and is fixed in the aluminum thermal fin of aluminium base; Described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.
Preferably, the capacitance plate of metal or semi-conducting material is set between insulating barrier, this capacitance plate is that two ends reduce step by step from outside to inside, stepped distribution.
Preferably, between the high pressure screen of isolated bus binding post junction and shielding insulation tube barrel internal layer, be connected with the equipotential lead.
Preferably, shield is to be made of semiconductor layer and/or conductive metal layer describedly.
The full direct current multiple-limb device of the band heat abstractor that the utility model provides, by the junction at the isolated bus binding post shielding insulation tube is set, make its current potential progressively be reduced to zero potential from inside to outside, the assurance Electric Field Distribution is even, reduce partial discharge, improve isolated bus reliability of operation and fail safe and useful life.One or more isolated bus that enters is connected in the shielding insulation tube with the isolated bus of one or more expenditure, real see high-voltage large current multiple-limb isolated bus confluxing or shunt in the shielding insulation tube, under the condition of all insulation, can satisfy the conduction property requirement of big electric current, the surface is in zero potential, can guarantee the reliability of using again.
Description of drawings
Figure l is structural representation of the present utility model.
Embodiment
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, describe most preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing, the utility model is limited.
As shown in Figure 1, the full direct current multiple-limb device of band heat abstractor provided by the utility model, be that a power supply advances isolated bus and two syndetons that go out isolated bus, according to the isolated bus electric pressure, conflux and determine specification and the insulating barrier of busbar joint shielding insulation tube with shunting radical and size of current, the quantity of metal capacitance screen, shielding insulation tube 16 also can be semiconductor by the conductor high pressure screen 1(that from inside to outside sets gradually), the insulating barrier 2 that is constituted by the Tetefol dielectric, ground screen and insulating sleeve 7 constitute, establishing metal capacitance screen 3(between two insulating barriers also can be semi-conducting material), metal capacitance shields from outside to inside that two ends reduce stepped step by step.The ground screen is made up of semiconductor layer 4 and conductive metal layer 5, and ground shields through lead-out wire 6 ground connection, and the current potential of outside is zero potential when guaranteeing operation, improves security performance, prevents from getting an electric shock taking place.The two ends of shielding insulation tube are connected with metal sealing flange 8,13 respectively, wherein have two through holes on the sealing flange 13, power supply advances the binding post of isolated bus 14 in this through hole enters the shielding insulation tube, and by fixing with sealing flange 13 flange connecting plates 12.Have two through holes on the sealing flange 8, two binding posts that go out isolated bus 9 are in this through hole enters the shielding insulation tube, and by fixing with sealing flange flange connecting plate 12.Advance the isolated bus binding post and go out the isolated bus binding post and be connected with diagramatic way by soft conductive plate 15 and bolt 11, wherein soft conductive plate 15 is provided with heat abstractor 18, and described heat abstractor 18 comprises aluminium base and is fixed in the aluminum thermal fin of aluminium base; Described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.Go out isolated bus and be connected with two if two power supplys advance isolated bus, then form with respect to power supply and advance confluxing of isolated bus.Also be connected with equipotential lead 10 in the junction into and out of the isolated bus binding post, the other end of equipotential lead is connected with the high pressure screen 1 of shielding insulation tube barrel 17 internal layers.
The above execution mode only is used for illustrating the utility model, but is not limited thereto.Under the condition that does not depart from the utility model design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection range of the present utility model.
Claims (1)
1. full direct current multiple-limb device with heat abstractor, comprise into, go out isolated bus, it is characterized in that: advancing, the outside that goes out the isolated bus junction adds the shielding insulation tube, the shielding insulation tube is by from inside to outside setting gradually conductor or semiconductor high pressure screen, insulating barrier, ground screen and insulating sleeve constitute, the two ends of shielding insulation tube are respectively equipped with sealing flange, at least arranging one on the sealing flange can allow the isolated bus binding post enter the interior through hole of shielding insulation tube, in the sealing flange through hole enters the shielding insulation tube one or more advances the isolated bus binding post and goes out between the binding post of isolated bus with one or more and be connected with bolt by soft conductive plate, wherein soft conductive plate is provided with heat abstractor, and described heat abstractor comprises aluminium base and is fixed in the aluminum thermal fin of aluminium base; Described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.
2, a kind of full direct current multiple-limb device with heat abstractor according to claim 1, it is characterized in that: the capacitance plate of metal or semi-conducting material is set between insulating barrier, and this capacitance plate is that two ends reduce step by step from outside to inside, stepped distribution.
3, a kind of full direct current multiple-limb device with heat abstractor according to claim 1 is characterized in that: be connected with the equipotential lead between the high pressure screen of isolated bus binding post junction and shielding insulation tube barrel internal layer.
4, a kind of full direct current multiple-limb device with heat abstractor according to claim 1, it is characterized in that: shield is to be made of semiconductor layer and/or conductive metal layer describedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647678 CN203039335U (en) | 2012-11-30 | 2012-11-30 | Full-direct current multi-branch device with cooling devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647678 CN203039335U (en) | 2012-11-30 | 2012-11-30 | Full-direct current multi-branch device with cooling devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039335U true CN203039335U (en) | 2013-07-03 |
Family
ID=48691422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220647678 Expired - Fee Related CN203039335U (en) | 2012-11-30 | 2012-11-30 | Full-direct current multi-branch device with cooling devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611921A (en) * | 2017-10-24 | 2018-01-19 | 上海西邦电气有限公司 | A kind of insulating shield cylinder, attachment means and the installation method of isolated bus connection |
-
2012
- 2012-11-30 CN CN 201220647678 patent/CN203039335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611921A (en) * | 2017-10-24 | 2018-01-19 | 上海西邦电气有限公司 | A kind of insulating shield cylinder, attachment means and the installation method of isolated bus connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20141130 |
|
| EXPY | Termination of patent right or utility model |