CN204243589U - New combined intelligent low-voltage power distribution JP cabinet - Google Patents
New combined intelligent low-voltage power distribution JP cabinet Download PDFInfo
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- CN204243589U CN204243589U CN201420689555.7U CN201420689555U CN204243589U CN 204243589 U CN204243589 U CN 204243589U CN 201420689555 U CN201420689555 U CN 201420689555U CN 204243589 U CN204243589 U CN 204243589U
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- 238000009826 distribution Methods 0.000 title claims abstract description 50
- 239000003990 capacitor Substances 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011438 cord wood Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a kind of novel combination type intelligent low-pressure distribution JP cabinet, power distribution cabinet comprises inlet wire drawer unit, ground connection drawer unit, inlet wire metering units, outlet drawer unit and capacitor drawer unit, electric power incoming line accesses power distribution cabinet by the input terminal of inlet wire drawer unit, and connect outlet terminal through air circuit, the outlet of described outlet terminal is drawn by busbar, described outlet drawer unit is all connected busbar by inlet wire plug connector with capacitor drawer unit, the inlet wire plug connector of described outlet drawer unit connects outlet plug connector by earth leakage circuit-breaker.Change power distribution cabinet and be designed to close the drawer type functional module isolating, simply exchange, be easy to dispersion transport and be convenient to field combinations, improve rural power grids power supply reliability, decrease the interruption duration of user, improve the security level of execute-in-place, maintainer.
Description
Technical field
The utility model relates to the technical field of low-voltage power supply, particularly relates to a kind of drawer type combination intelligent low-voltage distribution JP cabinet.
Background technology
Low-voltage distribution apparatus has been responsible for controlling electric energy, protection, measurement, conversion and distribution in low-voltage power supply system.Relate to the various aspects of nation-building and people's lives.Its development is closely related with the development of national economy, science and technology and living standards of the people.Along with the increase of resident living power utility load, require more and more higher to the insulating degree of power distribution station, rural safe electricity consumption level is constantly improved.
Distribution JP cabinet is widely used in the desk-top low-voltage network of rural area bar, one general configuration 3 returns back out line, when arbitrary return back out line residual current action breaker body fault time, adjacent for stoppage circuit breaker in cabinet outlet need be accompanied after stopping and can overhaul, expand power failure range, greatly have impact on rural power grids power supply reliability.In addition, each unit fixed and arranged of low-voltage distribution JP cabinet used at present, insulating protection is not done in line busbar junction, and live part is exposed more, and during maintenance, operating personnel easily touch charged position by mistake, there is larger potential safety hazard; Maintenance comparatively bothers, and safety precautions is poor.Distribution JP cabinet is mainly used in rural power grids, geographical position relative complex, and a large amount of mountain region, hills and paddy field bring great difficulty to the transport of distribution JP cabinet and installation.
Utility model content
Technical problem to be solved in the utility model realizes a kind of power distribution cabinet esy to use, safe and reliable.
To achieve these goals, the technical solution adopted in the utility model is: novel combination type intelligent low-pressure distribution JP cabinet, power distribution cabinet comprises inlet wire drawer unit, ground connection drawer unit, inlet wire metering units, outlet drawer unit and capacitor drawer unit, electric power incoming line accesses power distribution cabinet by the input terminal of inlet wire drawer unit, and connect outlet terminal through air circuit, the outlet of described outlet terminal is drawn by busbar, described outlet drawer unit is all connected busbar by inlet wire plug connector with capacitor drawer unit, the inlet wire plug connector of described outlet drawer unit connects outlet plug connector by earth leakage circuit-breaker.
Remote centralized meter-reading collector, metering module and outlet protection switch remote control terminal is provided with in described inlet wire metering units; be provided with transparent metering units form outside described inlet wire metering units, described outlet protection switch remote control terminal is connected by the control interface of secondary line with the earth leakage circuit-breaker of outlet drawer unit.
Capacitor drawer unit is built with containing the idle compensating control of remote collection module, contactor, intelligent complex control switch and capacitor, described contactor upper incoming line is connected with capacitor drawer inlet interface by wire, lower end outlet connects intelligent complex control switch by wire, described intelligent complex control switch connects capacitor by wire, and described idle compensating control is by controlling intelligent complex control switch.
The outlet port of described ground connection drawer unit is by grounding copper bar and ground connection one pole connector.
Described power distribution cabinet side is provided with above inlet wire drawer unit, ground connection drawer unit and inlet wire metering units from top to bottom, and another is provided with three outlet drawer units and capacitor drawer unit from top to bottom.
Described power distribution cabinet shell is stainless steel,
Separate with dividing plate between inlet wire drawer unit in described power distribution cabinet, ground connection drawer unit, inlet wire metering units, outlet drawer unit, capacitor drawer unit, form independently working space; Separate with the feature board that the metallic plate of ground connection or plastics are made between functional unit, bus, cable, form bus, functional unit and cable three regions.
The utility model has the advantage of: in economic benefit, its economic benefit is mainly reflected in aspect of reducing the loss, outlet and capacitor unit close insulation, during internal fault, can not have an impact to adjacent cells, avoid former open type and fix the common fault coverage expansion accident of JP power distribution cabinet, reduce power failure range; Directly can changing with drawer for subsequent use, without the need to carrying out breakdown repair at the scene, shortening interruption duration.On safety benefit, be divided into according to function the room that works alone, adopt galvanized sheet to be isolated in charged position and peripheral operation interface, the live parts such as busbar thoroughly " insulating ", reduce in operation the risk of touching charged position.JP power distribution cabinet outlet module and earthing module are made into drawer, avoid the risk of on-load drawing plug-in strip, ensure that safe and stable operation and the simple operation of power distribution cabinet, stop the incident potential safety hazard of privately stopping power transmission in rural area.In social benefit; reduce inspection rack district power failure range; reduce interruption duration; improve rural power grids power supply reliability; be designed to be convenient to disperse transport and the on-the-spot drawer type functional module combined on the spot to improve the protectiveness of personnel, the fail safe of equipment, impel operation field ground connection simple to operate, quick, reliable.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in the utility model specification below and figure is briefly described:
Fig. 1 is power distribution cabinet structural representation;
Fig. 2 is power distribution cabinet internal wiring schematic diagram;
Fig. 3 is inlet wire drawer unit structural representation
Fig. 4 is inlet wire metering units structural representation;
Fig. 5 is outlet drawer unit structural representation;
Fig. 6 is electric capacity drawer unit structural representation;
Fig. 7 is ground connection drawer unit structural representation
Mark in above-mentioned figure is: 1, inlet wire drawer unit; 2, ground connection drawer unit; 3, inlet wire metering units; 4, outlet drawer unit; 5, capacitor drawer unit; 6, bus;
11, Displaying Meter panel is controlled; 12, console switch; 13, outlet terminal; 14, input terminal; 15, lightning-protection module; 16, air circuit; 17, wire inlet unit controlling organization;
21, Earthed connector; 22, linear quadratic control terminal; 23, grounding copper bar;
31, metering units form; 32 remote centralized meter-reading collectors, 33, metering module, 34, outlet protection switch remote control terminal;
41, secondary terminals; 42, grounding connector; 43, outlet plug connector; 44, inlet wire plug connector; 45, earth leakage circuit-breaker; 46, protection switch operation control panel;
51, idle compensating control, 52, indicator light; 53, contactor, 54, intelligent complex control switch; 55, capacitor; 56, Electromechanical Control switch.
Embodiment
Combined intelligent low-voltage distribution JP cabinet external shell stainless steel assembles, as shown in Figure 1, cabinet internal condition distribution requires to arrange two different Combined drawer cabinets, at the upper design inlet wire drawer unit 1 of left side drawout cubicle, devising inspection earthing drawer unit 2 in the bottom of inlet wire drawer unit 1, is inlet wire metering units 3 in below; At upper design three tunnel outlet drawer units 4 of right side drawout cubicle, devise reactive power compensation drawer unit in the bottom of outlet drawer unit 4.
As shown in Figure 2,3; electric power incoming line accesses power distribution cabinet by the input terminal 14 of inlet wire drawer unit 1; and connect outlet terminal 13 through air circuit 16; air circuit 16 is adopted to be that main switch breaking capacity is large; break-time is accurate; the outlet of line terminals is drawn by busbar, and outlet drawer unit 4 is all connected busbar by inlet wire plug connector 44 with capacitor 55 drawer unit 5, and the inlet wire plug connector 44 of outlet drawer unit 4 connects outlet plug connector 43 by earth leakage circuit-breaker 45.
As shown in Figure 7, ground connection drawer unit 2 adopts galvanized sheet to make and the measure-alike ground connection drawer of outlet drawer, respectively returns back out line and arranges special ground connection one pole connector, and the outlet port of ground connection drawer unit 2 is by grounding copper bar 23 and ground connection one pole connector., realize the ground connection operation respectively returning back out line.When drawer JP cabinet is arbitrary return back out line maintenance time, extracted by this road drawer outgoing line unit, replace by this ground connection drawer module, and realize reliable ground, other outlet normally runs.
As shown in Figure 4; remote centralized meter-reading collector 32, metering module 33 and outlet protection switch remote control terminal 34 is provided with in inlet wire metering units 3; gather the information such as overload, short circuit, overvoltage, under-voltage, residual current protecting; by RS485 interface data transmission to distribution terminal module; control terminal provides the transmission of data to long-distance meter-reading system and intelligent powerless compensation; by network, intelligent management is carried out to power distribution cabinet, realize " four is distant " function of circuit breaker and capacitor 55.Distribution management personnel can grasp power distribution cabinet circuit breaker operation information and fault message in time, and effectively control.Be provided with transparent metering units form 31 outside metering units, play outlet protection switch remote control terminal 34 and be connected by the control interface of secondary line with the earth leakage circuit-breaker 45 of outlet drawer unit 4.
As shown in Figure 5, in power distribution cabinet outlet drawer unit 4, have employed the cordwood system type switch of repertoire integrating zero-sequence transformer, leakage relay, A.C. contactor 52, air circuit 16, with air circuit 16 for main switch, breaking capacity is large, and break-time is accurate; Performance is reliable, misoperation is few, stable, not power consumption; There is deferred action characteristic, can not overstep tripping; There is the defencive function that residual current protecting, overload protection, short-circuit protection, phase shortage under-voltage protection, protection off zero, reclosing etc. are perfect; Digital display form has real-time display, tripping operation display, button Presentation Function, the residual electricity flow valuve of the real-time circuit of energy and maximal phase, current operating current value gear, during tripping operation, display is any reason tripping operation, causes residual electricity flow valuve during that phase and the tripping operation of tripping operation; Total tripping operation number of times and locking number of times can be shown; Wiring four is entered four and is gone out, and the multistage fixing stepping of residual current operating value is adjustable, easy to use; According to service requirement, and devise separate operation panel, can arrange at the enterprising line operate of exterior panel.
As shown in Figure 6, capacitor 55 drawer unit 5 is built with containing the idle compensating control 51 of remote collection module, contactor 52, intelligent complex control switch 54 and capacitor 55, contactor 52 upper incoming line is connected with capacitor 55 drawer inlet interface by wire, lower end outlet connects intelligent complex control switch 54 by wire, intelligent complex control switch 54 connects capacitor 55 by wire, and idle compensating control 51 is by controlling intelligent complex control switch 54.Capacitor 55 drawer unit 5 main loop unit contactor 52 is connected with main circuit busbar by wire connecting drawer connector (quiet), contactor 52 outlet is connected with 4 road intelligent compound switch inlet wires, and 4 road intelligent compound switch outlets are connected with No. 4 capacitors 55 respectively.Wherein every group capacitor 55 compensation capacity is 20kvar, meets compensation demand.
Separate with dividing plate between inlet wire drawer unit 1 in power distribution cabinet, ground connection drawer unit 2, inlet wire metering units 3, outlet drawer unit 4, capacitor 55 drawer unit 5, form independently working space, can effectively prevent fault from expanding.The electric elements of transmission line circuit are all arranged in the drawer that can extract out, form the functional unit that can complete power supply task.Separate with the feature board that metallic plate or the plastics of ground connection are made between functional unit, bus 6, cable, form bus 6, functional unit and cable three regions, between each functional unit, also have quarantine measures.Power distribution cabinet outlet adopts drawer-type structure, and drawer panel is provided with Special control mechanism and form, can realize totally closed operation, stops power transmission operating sequence according to power distribution cabinet, devises safe machinery and electrical interlocks.In addition copper bus-bar insulation room is full-closed structure, improves security performance.Power distribution cabinet metering units have employed long-distance meter-reading system, and earth leakage protective outgoing line unit and reactive compensation unit have employed tele-control system, facilitate remote job.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689555.7U CN204243589U (en) | 2014-11-17 | 2014-11-17 | New combined intelligent low-voltage power distribution JP cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689555.7U CN204243589U (en) | 2014-11-17 | 2014-11-17 | New combined intelligent low-voltage power distribution JP cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN204243589U true CN204243589U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420689555.7U Expired - Fee Related CN204243589U (en) | 2014-11-17 | 2014-11-17 | New combined intelligent low-voltage power distribution JP cabinet |
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| CN (1) | CN204243589U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348106A (en) * | 2014-11-17 | 2015-02-11 | 国家电网公司 | Combined intelligent low-voltage distribution JP cabinet |
| CN109672109A (en) * | 2017-10-13 | 2019-04-23 | 广东易正电气股份有限公司 | A kind of low-voltage drawer cabinet |
| CN114221248A (en) * | 2021-12-20 | 2022-03-22 | 广西电网有限责任公司河池供电局 | Drawer type power supply cabinet with bus rapidly grounded |
-
2014
- 2014-11-17 CN CN201420689555.7U patent/CN204243589U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348106A (en) * | 2014-11-17 | 2015-02-11 | 国家电网公司 | Combined intelligent low-voltage distribution JP cabinet |
| CN109672109A (en) * | 2017-10-13 | 2019-04-23 | 广东易正电气股份有限公司 | A kind of low-voltage drawer cabinet |
| CN114221248A (en) * | 2021-12-20 | 2022-03-22 | 广西电网有限责任公司河池供电局 | Drawer type power supply cabinet with bus rapidly grounded |
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|---|---|---|---|
| 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: 20150401 Termination date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |