CN202978202U - Novel direct-current multiple-splitter - Google Patents
Novel direct-current multiple-splitter Download PDFInfo
- Publication number
- CN202978202U CN202978202U CN 201220665602 CN201220665602U CN202978202U CN 202978202 U CN202978202 U CN 202978202U CN 201220665602 CN201220665602 CN 201220665602 CN 201220665602 U CN201220665602 U CN 201220665602U CN 202978202 U CN202978202 U CN 202978202U
- Authority
- CN
- China
- Prior art keywords
- insulation
- insulation cylinder
- bus
- shielding
- shielding insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a novel direct-current multiple splitter. The direct-current multiple-splitter comprises an incoming insulation bus and an outgoing insulation bus, wherein a shielding insulation cylinder is disposed outside a connection place of the incoming insulation bus and the outgoing insulation bus; the shielding insulation cylinder consists of a conductor or semiconductor high-voltage screen, insulation layers, an earth screen and an insulation sheath which are sequentially arranged from inside to outside; two ends of the shielding insulation cylinder are respectively provided with sealed flanges; each sealed flange is at least provided with a through hole which allows an insulation bus wiring terminal to go into the shielding insulation cylinder; one or more incoming insulation bus wiring terminals which go into the shielding insulation cylinder through the sealed flanges are connected with one or more outgoing insulation bus wiring terminals through soft conductive plates and bolts; and each soft conductive plate is provided with a circuit detection apparatus. According to the direct-current multiple-splitter, through an arrangement of the shielding insulation cylinder at a bus connecting place, potential of a bus is gradually from inside to outside reduced to zero potential, electric fields are uniformly distributed, partial discharge is reduced, and thus the direct-current multiple-splitter is safe and reliable, and realizes conflux or shunting of multiple-splitting insulation buses with high voltage and heavy current.
Description
Technical field
The utility model relates to a kind of link, particularly a kind of novel full direct current multiple-limb 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, novel full direct current multiple-limb device safe and reliable to operation.
technical solution of the present utility model is: a kind of novel full direct current multiple-limb 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 over-pressure safety device, described circuit checker comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, described voltage strength grade is corresponding with default range of voltage values.
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 novel full direct current multiple-limb device 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, novel full direct current multiple-limb device provided by the utility model, 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 circuit checker 18, , described circuit checker 18 comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, described voltage strength grade is corresponding with default range of voltage values.
The shunting of isolated bus is advanced in formation 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. novel full direct current multiple-limb 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 circuit checker, described circuit checker comprises contact modules, both positive and negative polarity detection module and voltage strength detection module, described contact modules comprises two contact pins, described contact pin contacts respectively positive pole and the negative pole of circuit to be detected, described both positive and negative polarity detection module is connected with described contact modules, described voltage strength detection module is connected with described contact modules, described voltage strength grade is corresponding with default range of voltage values.
2. a kind of novel full direct current multiple-limb device 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 novel full direct current multiple-limb device according to claim 1, 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. a kind of novel full direct current multiple-limb device 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 201220665602 CN202978202U (en) | 2012-12-06 | 2012-12-06 | Novel direct-current multiple-splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665602 CN202978202U (en) | 2012-12-06 | 2012-12-06 | Novel direct-current multiple-splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978202U true CN202978202U (en) | 2013-06-05 |
Family
ID=48519229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665602 Expired - Fee Related CN202978202U (en) | 2012-12-06 | 2012-12-06 | Novel direct-current multiple-splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051993A (en) * | 2014-06-10 | 2014-09-17 | 国家电网公司 | Cable protecting clamp |
-
2012
- 2012-12-06 CN CN 201220665602 patent/CN202978202U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051993A (en) * | 2014-06-10 | 2014-09-17 | 国家电网公司 | Cable protecting clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170338633A1 (en) | Quick connect and disconnect cable junction box | |
| CN103364648A (en) | Nuclear phase device and electroscope used in cooperation with nuclear phase device | |
| US20150068587A1 (en) | Solar Power Panels, Arrays and Connection Systems | |
| CN205212128U (en) | Little generating line cross -over connection connecting cable line in screen top | |
| CN202978202U (en) | Novel direct-current multiple-splitter | |
| CN105428841A (en) | Cable grounding device | |
| CN101645548A (en) | Method for grounding single-core high-voltage cable metal sheath | |
| CN203039335U (en) | Full-direct current multi-branch device with cooling devices | |
| CN203039331U (en) | Full-direct current multi-branching device | |
| CN105490122A (en) | Screen-top miniature bus bridging-connection cable | |
| CN202997492U (en) | Full direct-current multi-splitter | |
| CN207896616U (en) | Bus duct unit and bus duct are grounded mains system | |
| CN202930895U (en) | Intelligent full direct current multi-splitter | |
| CN203337743U (en) | Phase checking device and electroscope used with the same | |
| CN203440469U (en) | Connecting structure for passage connecting bus of aluminium cell | |
| CN203014335U (en) | Full direct current multi-branch splitter having overvoltage protector | |
| CN202930894U (en) | Novel full direct current multi-splitter | |
| CN201726093U (en) | High-voltage cable connector | |
| CN201927722U (en) | Multi-branched fully-insulated insulating busbar joint | |
| CN105811348A (en) | Remote controllable low-voltage cable branch box | |
| CN207067323U (en) | Insulating point that solar panel is pressure-resistant examines frock | |
| CN210427636U (en) | Multifunctional high-voltage test line concentration box | |
| CN203859482U (en) | Low-voltage cable branch box | |
| CN203895261U (en) | Combined wire connector of secondary circuit short-circuiting wire of current/voltage transformer | |
| CN209448400U (en) | It is touch separation type power cable connecting piece used |
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: 20130605 Termination date: 20131206 |