The utility model content
The utility model provides a kind of economical and practical, multiple functional (surge protection, electric energy metrical, power distribution, condition monitoring, overcurrent protection), station little, easy for installation intelligent AC distribution case takes up room.
To achieve these goals, the utility model provides following technical scheme:
A kind of A.C. distribution box, be used for communications equipment room or communication equipment station, it comprises: cabinet, be equiped with power supply input handover module, ac electric quantity measuring module, surge protection module, monitoring output module and power distribution output module in the described cabinet, wherein: described input handover module comprises: interlocking switching device shifter and breaker of plastic casing, described breaker of plastic casing comprises the civil power breaker of plastic casing and the oily machine breaker of plastic casing that is connected gasoline generator wire that is used to connect line, and described interlocking switching device shifter is connected between two breaker of plastic casing;
Described ac electric quantity measuring module comprises: be used for the total wattful power messurement of three-phase kilowatt-hour meter, current phasor measurement ammeter, current transformer, be used for voltmeter, universal seclector that phase voltage is measured, described kilowatt-hour meter is connected between described two circuit breakers, described universal seclector connects described oily machine breaker of plastic casing, described voltmeter connects described universal seclector, described current transformer connects described oily machine breaker of plastic casing, and described ammeter connects described current transformer;
Described surge protection module comprises Surge Protector, the D type circuit breaker of the lightning surge protection that is used to protect the line invasion and attack, and described D type circuit breaker connects described civil power breaker of plastic casing, and described Surge Protector connects described D type circuit breaker;
Described monitoring output module comprises: be used for the output of civil power breaker of plastic casing, oily machine breaker of plastic casing state annex, be used for the output of breaker of plastic casing state the first terminal, be used for the output of Surge Protector state second terminal, be used for the lightning protection sound and light alarm device on the door-plate, described annex connects described civil power breaker of plastic casing and oily machine breaker of plastic casing respectively, described the first terminal connects described annex, and described second terminal is connected described Surge Protector respectively with the lightning protection sound and light alarm device;
Described power distribution output module comprises: three casements that are used for three circuit breakers of three-phase electric energy output, the simply connected circuit breaker that is used for single-phase electric energy output, station, three holes maintenance usefulness are counted two casements of socket, station, two holes maintenance usefulness and are counted socket, confluence copper bar, described confluence copper bar connects described circuit instrument transformer, and described three casements are counted socket, two casements and counted socket, three circuit breakers, simply connected circuit breaker and be connected on the described confluence copper bar.
By implementing above technical scheme; have following technique effect: the A.C. distribution box that the utility model provides is imported the combination of funtion parts such as switching, ac electric quantity measuring, surge protection, monitoring output, power distribution output and can be satisfied station civil power, oily machine double loop power supply, civil power surge protection, stands with the power supply condition monitoring, stands with power taking easy to maintenance, stand with various functions such as electric energy tariffings by power supply, save machine room space and cost greatly.
Embodiment
In order better to understand the technical solution of the utility model, describe the embodiment that the utility model provides in detail below in conjunction with accompanying drawing.
The utility model provides a kind of A.C. distribution box, be used for communications equipment room or communication equipment station, as depicted in figs. 1 and 2, comprise: cabinet, be equiped with power supply input handover module in the described cabinet, the ac electric quantity measuring module, the surge protection module, monitoring output module and power distribution output module, wherein: described input handover module comprises: be used for civil power, the interlocking switching device shifter 101 of the mechanical interlocked switching of oil machine, breaker of plastic casing, described breaker of plastic casing comprises the civil power breaker of plastic casing 103 and the oily machine breaker of plastic casing 102 that is connected gasoline generator wire that is used to connect line, and described interlocking switching device shifter 101 is connected two breaker of plastic casing 102, between 103; Described power supply input handover module adopts interlocking switching device shifter 101 to cooperate two-way breaker of plastic casing 102,103, guarantees the normal switching and the interlocking of oily machine, civil power double loop power supply; On the chamber door plate, set up separately simultaneously civil power, oily machine A B the power supply indicator of C three-phase, the electric power thus supplied of the every phase in the every road of instant playback.Interlocking switching device shifter 101 comprises interlocking support 111 and interlocking slide block 112, when oily machine breaker of plastic casing 102 disconnects, the interlocking slide block of interlocking switching device shifter 101 fixes on the left side and screw-driving is arranged, and pins oily machine breaker of plastic casing 102, prevents oily machine breaker of plastic casing 102 improper closing; If mains failure, this pushes civil power breaker of plastic casing 103, and the interlocking slide block of interlocking switching device shifter 101 fixes on the right and screw-driving is arranged, and closes oiling machine breaker of plastic casing 102, and this A.C. distribution box adopts oily machine power supply.
Described ac electric quantity measuring module comprises: the kilowatt-hour meter 201 that is used for the total wattful power messurement of three-phase, current phasor measurement ammeter 202, current transformer 203, be used for the voltmeter 204 that phase voltage is measured, universal seclector 205, described kilowatt-hour meter 201 is connected described two circuit breakers 102, between 103, described universal seclector 205 connects described oily machine breaker of plastic casing 102, described voltmeter 204 connects described universal seclector 205, described current transformer 203 connects described oily machine breaker of plastic casing 102, and described ammeter 202 connects described current transformer 203; In the present embodiment, adopt three-phase four-wire watt-hour meter 201 metering civil power power consumptions, adopt every phase real work electric current at current transformer 203, ammeter 202 instant playback stations (room); Adopt universal seclector 205, the voltmeter 204 instant phase voltages that show on-the-spot power supply of measuring, electric voltage exception can in time be found.
Described surge protection module comprises Surge Protector 301, the D type circuit breaker 302 of the lightning surge protection that is used to protect the line invasion and attack, described D type circuit breaker 302 connects described civil power breaker of plastic casing 103, and described Surge Protector 301 connects described D type circuit breaker 302; Adopt Surge Protector 301; 302 pairs of mains-supplied circuits of D type circuit breaker of D curve 63A carry out the effective lightning protection (probability of oily machine supply line induction lightening surge; failure energy is very little; can not consider lightning protection); " L " line input of Surge Protector 301 is received the output of civil power breaker of plastic casing by D curve 63A circuit breaker 302; can play necessary surge protection, the power frequency continued flow that D curve 63A circuit breaker 302 can effectively cut off the unusual back generation of Surge Protector ageing failure to the electricity consumption facility in active watt-hour meter in the distribution box 201 and the station (room).
Described monitoring output module comprises: be used for civil power breaker of plastic casing 103, the annex 401 of oil machine breaker of plastic casing 102 states output, be used for two breaker of plastic casing 102, the first terminal 402 of 103 states output, second terminal 403 that is used for the output of Surge Protector 301 states, be used for the lightning protection sound and light alarm device 404 on the door-plate, this device 404 can be for being arranged on the inefficacy indicator light on the door-plate, described annex 401 connects described civil power breaker of plastic casing 103 and oily machine breaker of plastic casing 102 respectively, described the first terminal 402 connects described annex 401, makes things convenient for remote monitoring; Described second terminal 403 is connected described Surge Protector 301 respectively with lightning protection sound and light alarm device 404, is used for the output of Surge Protector 301 operating states, makes things convenient for remote monitoring.3 lines of this annex 401 outputs put the number pipe of 11,12,14 printed words respectively, directly are connected on the binding post 402, and the silk-screen or the wiring explanation of pasting this terminal 402 below binding post 402; When breaker of plastic casing 102 disconnected, the state of annex 401 outputs remained on " 11,12 is normally closed, and 11,14 often open " state; When breaker of plastic casing 102 closed, the state of annex 401 outputs remained on " 11,14 is normally closed, and 11,12 often open " state.The fault alarm of Surge Protector 301 comprises the inefficacy indicator light 404 on second terminal 403, the door-plate.After Surge Protector 301 lost efficacy dropout, second terminal 403 transferred " 11,14 is normally closed, and 11,12 often open " to by " 11,12 is normally closed, and 11,14 often open ", and the lightning protection sound and light alarm device 404 on the door-plate transfers red light to by green light and is accompanied by alarm call output simultaneously.
Described power distribution output module comprises: three casements that are used for three circuit breakers 501 of three-phase electric energy output, the simply connected circuit breaker 502 that is used for single-phase electric energy output, station, three holes maintenance usefulness are counted two casements of socket 503, station, two holes maintenance usefulness and are counted socket 504 and confluence copper bar 505, described confluence copper bar 505 connects described circuit instrument transformer 203, described three casements are counted socket 503, two casements and are counted socket 504, three circuit breakers 502, simply connected circuit breaker 502 and be connected on the described confluence copper bar 505, not only attractive in appearance but also reliable, also significantly reduced installation time.
This A.C. distribution box can satisfy station civil power, oily machine double loop power supply, civil power surge protection, stands with the power supply condition monitoring, stands with power taking easy to maintenance, stand with various functions such as electric energy tariffings by above function combinations, saves machine room space and cost greatly.Cabinet adopts wall-hung type to install, and makes full use of machine room (station) space.
More than a kind of A.C. distribution box that the utility model embodiment is provided be described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, part in specific embodiments and applications all can change, in sum, this description should not be construed as restriction of the present utility model.