CN202930895U - Intelligent full direct current multi-splitter - Google Patents
Intelligent full direct current multi-splitter Download PDFInfo
- Publication number
- CN202930895U CN202930895U CN 201220647832 CN201220647832U CN202930895U CN 202930895 U CN202930895 U CN 202930895U CN 201220647832 CN201220647832 CN 201220647832 CN 201220647832 U CN201220647832 U CN 201220647832U CN 202930895 U CN202930895 U CN 202930895U
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- circuit
- direct current
- isolated bus
- insulation cylinder
- bus
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Abstract
Disclosed is an intelligent full direct current multi-splitter, comprising an incoming insulation bus and an outgoing insulation bus, wherein the jointing section of the incoming insulation bus and the outgoing insulation bus is externally provided with a shield insulating cylinder; the shield insulating cylinder is formed by sequentially comprising a conductor/semiconductor high voltage screen, an insulating layer, a ground screen, and an insulating sheath from inside to outside; two ends of the shield insulating cylinder are respectively provided with a sealing flange; the sealing flange is provided with at least one through hole that allows the binding post of the insulation bus to enter the inside of the shield insulating cylinder; the binding posts of one or more incoming insulation buses and the binding posts of one or more outgoing insulation buses which enter the shield insulating cylinder via the sealing flange through hole are connected via a soft current conducting plate and bolts; and the soft current conducting plate is provided with an intelligence control system. According to the utility model, the bus jointing section is provided with a shield insulating cylinder, thereby making the potential thereof gradually decrease to zero potential from inside to outside, ensuring the uniform distribution of the electrical field, and decreasing the partial discharge. The novel full direct current multi-splitter is safe and reliable, and realizes the conflux or shunting of the high voltage heavy current multi-branch insulation bus.
Description
Technical field
The utility model relates to a kind of link, particularly the full direct current multiple-limb of a kind of intelligence device.
Background technology
The cable branch unit is widely used in the electric power systems such as skyscraper, urban operating mechanism, bridge, tunnel.Traditional cable branch unit, some needs block main cable, and breakpoint multiple faults point is just many.Conducting position is directly exposed, has potential safety hazard (as the cable T joint case).Some volumes are large, cost is high, it is loaded down with trivial details, non-watertight to install, not dustproof, unshielded grade (as plug-board bus bar).Some materials are different from the cable material, and the unlike material temperature rise is different, 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 large wire diameter 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 air outside, does not have capacitance plate all to press insulation protection, and the joint Electric Field Distribution is uneven, easily produces discharge and the shorted to earth accident occurs, and has potential safety hazard.Simultaneously, isolated bus is only also outlet of a corresponding connection of inlet wire with the connection of isolated bus, this is for the building cabling engineering 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 intelligence safe and reliable to operation.
technical solution of the present utility model is: the full direct current multiple-limb of a kind of intelligence device, comprise into, go out isolated bus, advancing, the outside that goes out the isolated bus junction adds the shielding insulation cylinder, the shielding insulation cylinder is by from inside to outside setting gradually conductor or semiconductor high pressure screen, insulating barrier, ground screen and insulating sleeve consist of, the two ends of shielding insulation cylinder are respectively equipped with sealing flange, at least arranging one on sealing flange can allow the isolated bus binding post enter the interior through hole of shielding insulation cylinder, one or more in the sealing flange through hole enters the shielding insulation cylinder 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 intelligence control system, described intelligence control system, comprise a microprocessor, this microprocessor is connected with respectively the LCD display circuit, the A/D change-over circuit, failure indicating circuit, output driving circuit, keyboard control circuit and signal input circuit, described A/D change-over circuit is connected with three-phase voltage input sampling circuit, three-phase current input sampling circuit, pressure sensor input sampling circuit, temperature sensor input sampling circuit and velocity transducer input sampling circuit.
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, be connected with the equipotential wire between the high pressure screen of isolated bus binding post junction and shielding insulation cylinder barrel internal layer.
Preferably, shield is to be made of semiconductor layer and/or conductive metal layer describedly.
The full direct current multiple-limb device of the intelligence that the utility model provides, by the junction at the isolated bus binding post, the shielding insulation cylinder is set, make its current potential progressively be reduced to from inside to outside zero potential, 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 cylinder with the isolated bus of one or more expenditure, real sight high-voltage large current multiple-limb isolated bus confluxing or shunting in the shielding insulation cylinder, can satisfy the conduction property requirement of large electric current under the condition of all insulation, the surface is in zero potential, can guarantee again the reliability of using.
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 of intelligence provided by the utility model device, 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 cylinder with shunting radical and size of current, the quantity of metal capacitance screen, shielding insulation cylinder 16 can be also semiconductor by the conductor high pressure screen 1(that from inside to outside sets gradually), the insulating barrier 2 that is consisted of by the Tetefol dielectric, ground screen and insulating sleeve 7 consist of, establishing metal capacitance screen 3(between two insulating barriers can be also semi-conducting material), metal capacitance shields from outside to inside, and two ends reduce stepped step by step.The ground screen is comprised of semiconductor layer 4 and conductive metal layer 5, and ground shields through lead-out wire 6 ground connection, and when guaranteeing operation, the current potential of outside is zero potential, improves security performance, prevents from getting an electric shock occuring.The two ends of shielding insulation cylinder are connected with respectively metal sealing flange 8,13, wherein have two through holes on sealing flange 13, power supply advances the binding post of isolated bus 14 in this through hole enters the shielding insulation cylinder, and fixing by the flanged plate 12 that is connected with sealing flange 13.Have two through holes on sealing flange 8, two binding posts that go out isolated bus 9 are in this through hole enters the shielding insulation cylinder, and the flanged plate by being connected with sealing flange 12 is fixing.Advance the isolated bus binding post and be connected the isolated bus binding post and be connected with bolt and connect with diagramatic way by soft conductive plate 15, wherein soft conductive plate 15 is provided with intelligence control system 18, described intelligence control system 18, comprise a microprocessor, this microprocessor is connected with respectively LCD display circuit, A/D change-over circuit, failure indicating circuit, output driving circuit, keyboard control circuit and signal input circuit; Described A/D change-over circuit is connected with three-phase voltage input sampling circuit, three-phase current input sampling circuit, pressure sensor input sampling circuit, temperature sensor input sampling circuit and velocity transducer input sampling circuit, forms the shunting of advancing isolated bus with respect to power supply.Go out isolated bus and be connected with two if two power supplys advance isolated bus, form with respect to power supply and advance confluxing of isolated bus.Also be connected with equipotential wire 10 in the junction into and out of the isolated bus binding post, the other end of equipotential wire is connected with the high pressure screen 1 of shielding insulation cylinder barrel 17 internal layers.
The above execution mode only is used for illustrating the utility model, but is not limited to this.Do not departing under the condition of the utility model design, affiliated technical field personnel can make suitable change and adjustment, and within these change and adjustments also should include claim protection range of the present utility model in.
Claims (4)
1. the full direct current multiple-limb of intelligence device, 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 cylinder, the shielding insulation cylinder is by from inside to outside setting gradually conductor or semiconductor high pressure screen, insulating barrier, ground screen and insulating sleeve consist of, the two ends of shielding insulation cylinder are respectively equipped with sealing flange, at least arranging one on sealing flange can allow the isolated bus binding post enter the interior through hole of shielding insulation cylinder, one or more in the sealing flange through hole enters the shielding insulation cylinder 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 intelligence control system, described intelligence control system, comprise a microprocessor, this microprocessor is connected with respectively the LCD display circuit, the A/D change-over circuit, failure indicating circuit, output driving circuit, keyboard control circuit and signal input circuit, described A/D change-over circuit is connected with three-phase voltage input sampling circuit, three-phase current input sampling circuit, pressure sensor input sampling circuit, temperature sensor input sampling circuit and velocity transducer input sampling circuit.
2. the full direct current multiple-limb of a kind of intelligence according to claim 1 device, 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. the full direct current multiple-limb of a kind of intelligence according to claim 1 device, is characterized in that: be connected with the equipotential wire between the high pressure screen of isolated bus binding post junction and shielding insulation cylinder barrel internal layer.
4. the full direct current multiple-limb of a kind of intelligence according to claim 1 device, 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 201220647832 CN202930895U (en) | 2012-11-30 | 2012-11-30 | Intelligent full direct current multi-splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220647832 CN202930895U (en) | 2012-11-30 | 2012-11-30 | Intelligent full direct current multi-splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930895U true CN202930895U (en) | 2013-05-08 |
Family
ID=48220805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220647832 Expired - Fee Related CN202930895U (en) | 2012-11-30 | 2012-11-30 | Intelligent full direct current multi-splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202930895U (en) |
-
2012
- 2012-11-30 CN CN 201220647832 patent/CN202930895U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131130 |