CN204517251U - A kind of Intelligent low-voltage switchgear - Google Patents
A kind of Intelligent low-voltage switchgear Download PDFInfo
- Publication number
- CN204517251U CN204517251U CN201520108082.1U CN201520108082U CN204517251U CN 204517251 U CN204517251 U CN 204517251U CN 201520108082 U CN201520108082 U CN 201520108082U CN 204517251 U CN204517251 U CN 204517251U
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- CN
- China
- Prior art keywords
- bus
- bar
- busbar
- branch
- voltage switchgear
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- Expired - Fee Related
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Abstract
A kind of Intelligent low-voltage switchgear, comprise cabinet, bus-bar system, cable and drawer unit, described bus-bar system is five-wire system bus-bar system, comprises three-phase A, B, C, zero busbar N, ground connection busbar PE; Bus comprises horizontal main bus bar, branch bar; Horizontal main bus bar is arranged in the top of switch cubicle or rear portion and the little indoor of bus, and in cabinet, pass through branch bar power distribution to various piece, the vertical Da of branch bar is connected to horizontal main bus bar, the fixing employing insulated bus bar clamp of main busbar and branch's busbar or supporting insulator.The Intelligent low-voltage switchgear that the utility model provides, adopts three-phase five-wire mode bus-bar system, has effectively isolated the dangerous voltage that three-phase four-wire power supply mode causes, improve Intelligent low-voltage switchgear safety in operation.
Description
Technical field
The utility model relates to a kind of switch cubicle technical field, particularly relates to a kind of Intelligent low-voltage switchgear.
Background technology
Low-tension switch cabinet is applicable to the industries such as power plant, oil, chemical industry, weaving, as the use of distribution and electric energy conversion.Along with the fast development of China's economic technology, the consumption of electric energy is increasing, and the coverage rate of electrical network is also more and more wider, traditional low-tension switch cabinet also can not meet modern needs, to develop to intelligent direction, therefore intelligent low-pressure cabinet is in order to satisfied intelligent demand, need adopt special construction.
Utility model content
The purpose of this utility model is a kind of Intelligent low-voltage switchgear provided for solving the deficiencies in the prior art.
The purpose of this utility model is that following technical scheme realizes;
A kind of Intelligent low-voltage switchgear, comprise cabinet, bus-bar system, cable and drawer unit, described bus-bar system is five-wire system bus-bar system, comprises three-phase A, B, C, zero busbar N, ground connection busbar PE; Bus comprises horizontal main bus bar, branch bar; Horizontal main bus bar is arranged in the top of switch cubicle or rear portion and the little indoor of bus, and in cabinet, pass through branch bar power distribution to various piece, the vertical Da of branch bar is connected to horizontal main bus bar, the fixing employing insulated bus bar clamp of main busbar and branch's busbar or supporting insulator.
Horizontal main bus bar adopts edge-to-edge's mode to be installed in feature board inner groovy, and this feature board is flame-retardant reinforced glass fiber reinforced polyester template, and vertical bus is arranged in backboard, and backboard is flame retardant type polyester glass fiber.
Described busbar uses hot tinning copper bar, and main busbar and branch's busbar skin apply envelope and mould sheath.
All buses are rectangle rounding bus, and overlap with embossed technology, and in switch cubicle, branch bar adopts and closes visual shield.
Described drawer unit is provided with mechanical chain.
The beneficial effects of the utility model: the Intelligent low-voltage switchgear that the utility model provides, adopt three-phase five-wire mode bus-bar system, have effectively isolated the dangerous voltage that three-phase four-wire power supply mode causes, improve Intelligent low-voltage switchgear safety in operation.
Accompanying drawing explanation
Fig. 1 is the utility model switch cubicle front view.
Fig. 2 is the utility model switch cubicle end view.
Fig. 3 is the utility model switch cubicle vertical view.
Wherein: 1 is control cables room; 2 is 1 unit drawers; 3 is 2 unit drawers; 4 is fixing drawers; 5 is little bus-bar rooms; 6 is bus frames; 7 is cable beams; 8 is drawer inlet wire side copper bars; 9 is ground connection busbars; 10 is drawer outlet plug connectors; 11 is drawer inlet wire seal bootrs.
Embodiment
A kind of Intelligent low-voltage switchgear, comprise cabinet, bus-bar system, cable and drawer unit, described Intelligent low-voltage switchgear has built-in Internet communication capacity, network is made up of trunk cable and branch's cable, trunk cable is connected to have been come by special connection-peg with branch cable, and trunk cable and branch's cable are all isolated after dividing plate, advancing equipment connectivity port on branch line, control cables room 1 is for control cables, and cable beam 7 is for attached cable.This structure instead of daisy chain type of attachment, avoids the equipment adding or reduce communication link that switch cubicle unit may cause and interrupt affecting in downstream units.Except inlet wire, feeder cabinet, every face cabinet is furnished with horizontal cable wire casing and vertical-rise cable wire casing, makes cable connection and lays very convenient.
Described switch cubicle is the self-bearing type absolute construction that outer cover of steel plate is closed, and produce when should be able to bear institute's installation elements and short circuit dynamic, thermally-stabilised; The performance of distribution can not be affected because of situations such as the installation of distribution, transports simultaneously.In order to ensure cabinet intensity, framework, door-plate and detail assembly panel all adopt thickness be not less than 2mm cold-rolled steel sheet or cover aluminium zine plate.
In order to ensure the person and device security, cabinet inside should realize good separation, and adopt spray metal plate to separate between each several part such as bus and switch element, concrete segregation form meets IEC 60439-1 and IEC 60529 standard-required.
Switch cubicle should have inner arcing fault tolerance, when there is inner arcing fault, the structure of switch cubicle compartment should be able to be born electric arc that three-phase shortcircuit produces or the pressure that free gas produces and not cause damage, and prevents electric arc from damaging operating personnel.
Switch cabinet panel plastic-blasting uniform smooth is attractive in appearance, and rational in infrastructure well-balanced, glacing flatness is high, and color is RAL7035.
In order to reach good decay resistance, the main sheet metal component in switch cubicle, such as framework, door-plate, demarcation strip etc. should adopt the processing mode of epoxy powder electrostatic spraying, except drawer structure part, cannot adopt galvanized steel plain sheet.
Switch cubicle whole height is that 2200mm. cabinet body structure should meet cable top-direction lead-in cable, the top board having cable to pass (cabinet ejects line) or base plate (at the bottom of cabinet outlet), adopts aluminium sheet to reduce vortes interference.
Described switch cubicle cable be enterprising on go out or under enter under go out.
Described switch cubicle adopts three-phase five-wire mode bus-bar system, comprises three-phase A, B, C; Zero busbar N, ground connection busbar PE; Bus comprises horizontal main bus bar, branch bar; Horizontal main bus bar comprises horizontal busbar A, B, C, zero busbar N, ground connection busbar PE9, horizontal busbar A, B, C, zero busbar N are arranged in the top of switch cubicle or rear portion and bus cell 5, busbar is interspersed in bus frame 6, and in cabinet, passing through branch bar power distribution to various piece, the vertical Da of branch bar is connected to horizontal main bus bar.Branch bar comprises: vertical bus bar A, B, C, zero busbar N, and the fixing employing insulated bus bar clamp of main busbar and branch's busbar or supporting insulator, its quantity should be able to meet electric equipment safe operation requirement.Distribution busbar vertical distribution in bus cell 5, for the connection between functional unit assembly and bus.
In described switch cubicle, horizontal main bus bar is arranged on cabinet top rear positions, this design makes equipment even heat, allow attendant to stand on floor and bus connection and maintenance are carried out to Intelligent low-voltage switchgear, horizontal main bus bar adopts edge-to-edge's mode, at utmost anti-electromagnetic capability can be provided, be installed in feature board in shaping groove, bus feature board is high-strength anti-flaming enhancement mode glass fiber reinforced polyester template, face can be provided to support and Interphase interval to bus.All buses adopt rectangle rounding bus, and overlap with embossed technology, and in cabinet, branch bar adopts and closes visual shield, and vertical bus also can be circle, drawer unit power plug is contacted with vertical bus and reaches optimum efficiency.Vertical bus is also embedded in backboard, provides face to support by backboard, and this backboard is that high-strength anti-flaming type polyester glass fiber is made.
Described busbar length is identical with group length, marks phase look routinely, and busbar must be completely isolated, without any the aperture of directly contact.Bus selects hot tinning copper bar, and copper bar copper content is greater than 99.9%, and main busbar and branch's busbar skin apply envelope and mould sheath.
Described drawer unit comprises 1 unit drawer 2,2 unit drawer 3, fixing drawer 4, and be provided with circuit breaker, contactor, motor protecter etc. in unit drawer, drawer unit is provided with mechanical chain.Drawer inlet wire side copper bar 8, drawer outlet plug connector 10 are for the connection of drawer unit inlet wire, outlet, and drawer inlet wire seal bootr 11 is insulating cover.For extraction structure, can the chain device of mounting electrical in the structure of design, as sensitive switch etc., with ensure system testing, connect, separation point position time electrical interlocks, prevent misoperation.
System data transmission is based on bus cable.Bus cable and connection should meet corresponding bus cable code requirement.Bus cable should choose the screen with electromagnetism interference, and cable shield reliably should receive ground conductor surface.For data heart yearn, in the entire system, the heart yearn of same color must be connected on the end points that same Color pair answers.
Bus, control signal wire should separate with power cable or busbar, especially to avoid bus and busbar near or parallel cabling.
Claims (5)
1. an Intelligent low-voltage switchgear, comprises cabinet, bus-bar system, and cable and drawer unit, is characterized in that: described bus-bar system is five-wire system bus-bar system, comprises three-phase A, B, C, zero busbar N, ground connection busbar PE; Bus comprises horizontal main bus bar, branch bar; Horizontal main bus bar is arranged in the top of switch cubicle or rear portion and the little indoor of bus, and in cabinet, pass through branch bar power distribution to various piece, the vertical Da of branch bar is connected to horizontal main bus bar, the fixing employing insulated bus bar clamp of main busbar and branch's busbar or supporting insulator.
2. Intelligent low-voltage switchgear as claimed in claim 1, it is characterized in that: in described switch cubicle, horizontal main bus bar is arranged on cabinet top rear positions, horizontal main bus bar adopts edge-to-edge's mode to be installed in feature board inner groovy, this feature board is flame-retardant reinforced glass fiber reinforced polyester template, vertical bus is arranged in backboard, and backboard is flame retardant type polyester glass fiber.
3. Intelligent low-voltage switchgear as claimed in claim 1, is characterized in that: described busbar uses hot tinning copper bar, and main busbar and branch's busbar skin apply envelope and mould sheath.
4. Intelligent low-voltage switchgear as claimed in claim 1, is characterized in that: all buses are rectangle rounding bus, and overlaps with embossed technology, and in switch cubicle, branch bar adopts and closes visual shield.
5. Intelligent low-voltage switchgear as claimed in claim 1, is characterized in that: described drawer unit is provided with mechanical chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108082.1U CN204517251U (en) | 2015-02-15 | 2015-02-15 | A kind of Intelligent low-voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520108082.1U CN204517251U (en) | 2015-02-15 | 2015-02-15 | A kind of Intelligent low-voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517251U true CN204517251U (en) | 2015-07-29 |
Family
ID=53715187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520108082.1U Expired - Fee Related CN204517251U (en) | 2015-02-15 | 2015-02-15 | A kind of Intelligent low-voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517251U (en) |
-
2015
- 2015-02-15 CN CN201520108082.1U patent/CN204517251U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20210215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |