A kind of landscape type ring main unitTechnical field
The present invention relates to field of electrical equipment, more particularly, to a kind of landscape type ring main unit.
Background technology
Ring main unit is that one group of transmission ＆ distribution electrical equipment is contained in metal or non-metallic insulation cabinet or makes assembled compartment ringSupply main is formed the annular of a closure, power supply is to this by the electrical equipment of net power supply unit by electrical equipmentRing main is powered, and passes through the outside distribution of high-voltage switch gear from main line another Lu Yilu.Such benefit is, each distributionBranch road both can be with its left side main line power taking source, again can be by main line power taking source on the right side of it.When left side, main line is out of order, itJust continue to be powered from right side main line, and work as right side main line and be out of order, it just continues to be powered from left side main line, soOne, although main power is single service, obtain for each distribution branch road similar to the material benefit supplied power with double circuit,Thus improve the reliability of power supply.It is widely used in Urban Residential District, skyscraper, individual greatly type public building, factoryIn the power distribution station of the load centers such as enterprise and box-type substation.
Conventional ring main unit profile is cuboid, is similar to small-sized building construction, is that power department is special, shell adopts metalShell, generally monochromatic spraying, floor space is big, and utilization rate is not high.With the quickening of China's process of modernization, city is builtIf coming into the city beauty treatment stage being intended to improve city streetscape, traditional ring main unit straggly need not the gold tying up cityLocation, disorderly pastes and recklessly spends phenomenon seriously, extremely inharmonious with graceful urban environment.And urban waterlogging problem highlights in recent years, oneDenier waterlogging is formed, and electrical equipment soaks, and causes large-area power-cuts.
Content of the invention
The technical problem to be solved is to provide a kind of floor space little, attractive in appearance, anti-urban waterlogging, and basis is prefabricatedThe landscape type ring main unit installed.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of landscape type ring main unit it is characterised in that: include prefabricated foundation base, bolt connection is on prefabricated foundation baseThe ring main unit shell of side and the power equipment located at ring main unit inside the shell；Described prefabricated foundation base passes through foundation ground, thereonEdge is slightly above foundation ground；Described prefabricated foundation base and ring main unit shell horizontal cross-section are major and minor axis in the same direction and same centerEllipse；The bottom of described power equipment is higher than foundation ground.
Technical scheme is further: described ring main unit shell includes housing itself and the top cover of housing top itself.
Technical scheme is further: two sides of described ring main unit shell long axis direction are openable pair and openDoor.
Technical scheme is further: described housing upper and lower ends side itself is equipped with passage.
Technical scheme is further: the top cover of described ring main unit shell is long axis direction and housing long axis direction phase itselfSame ellipse, and its major and minor axis is respectively longer than the major and minor axis of housing itself.
Technical scheme is further: described top cover is provided with annular lightning arrester.
Technical scheme is further: described top cover is provided with relief valve, is provided with pressure sensitive device and pressure release belowValve is connected.
Technical scheme is further: described power equipment side is provided with comprehensive microcomputer protecting device, and opposite side is provided with numberAccording to transmission unit dtu.
Technical scheme is further: described power equipment top is divided into power pack, and its underpart is air vent；DescribedIt is binding post above air vent, its bottom surface is equipped with wire inlet/outlet hole.
Technical scheme is further: described prefabricated foundation base is the elliptical cavity of hollow；Described prefabricated foundation baseWith ring main unit housing all using rustless steel or cold-rolled steel sheet material.
Have the beneficial effects that using produced by technique scheme:
There is the features such as rain-proof, dust-proof, Radix Saposhnikoviae, snow defence, environmental protection, feature richness, all power equipments are installed on thisIn ring main unit body, it can be avoided that external impairment, effective protection is carried out to internal power equipment, and floor space is little, realizedSocial function is combined with the safety of electric power function and is independent of each other, using safety.The art work is seemed outside landscape electrical equipment,Advertisement can also realize economic benefit, and more original ring main unit image attractive in appearance it is adaptable to urban infrastructure, be conducive to lifting intelligenceIntelligent city image, the promotion appearance of the city are taken on a new look further.Prefabricated foundation base is previously-completed, and ring main unit shell and power equipment are all in workPrefabricated in factory complete, in-site installation is convenient, fast, shorten power off time.Effectively prevent urban waterlogging, live part is high, floodsDo not affect normal power supply afterwards.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the right view of the present invention；
Fig. 3 be the present invention right view in a-a direction profile；
Fig. 4 is the front view of the present invention；
Fig. 5 be the present invention front view in b-b direction profile；
Fig. 6 be the present invention front view in c-c direction profile；
Fig. 7 is the structural representation of the power equipment of the present invention；
Fig. 8 is the structural representation of the prefabricated foundation base of the present invention.
Wherein: 1- prefabricated foundation base；2- foundation ground；3- ring main unit shell；31- housing itself；32- top cover；33- keeps awayThunder device；4- power equipment；41- synthesis microcomputer protecting device；42- data transmission unit dtu；43- binding post；44- divulges informationHole.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeGround description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based onEmbodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative workEmbodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of details in the following description in order to fully understand the present invention, but the present invention is acceptableTo be implemented different from alternate manner described here using other, those skilled in the art can be without prejudice to intension of the present inventionIn the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Embodiment
A kind of landscape type ring main unit as shown in figures 1-8, including prefabricated foundation base 1, bolt connection in prefabricated foundation base 1The ring main unit shell 3 of top and the power equipment 4 in ring main unit shell 3；Described prefabricated foundation base 1 passes through foundation ground2, its upper edge is slightly above foundation ground 2；Described prefabricated foundation base 1 and ring main unit shell 3 horizontal cross-section are major and minor axis togetherTo and concentric ellipse；The bottom of described power equipment 4 is higher than foundation ground 2.
Preferred: described ring main unit shell 3 includes housing itself 31 and the top cover 32 of housing 31 top itself.
Preferred: for the ease of to the inspection of power equipment 4 and maintenance, two of described ring main unit shell 3 long axis directionSide is openable double door.
Preferred: for the ease of the ventilation of ring main unit in the present embodiment, described housing 31 upper and lower ends side itself is all provided withThere is air vent.Air vent can be using the shutter of activity, in order to reach intelligent effect, can also be in ring main unit shell 3Portion's mounting temperature sensor, fan and motor, when temperature sensor detects abnormal temperature, deliver a signal to fan and electricityMachine, shutter opened by motor, and fan starts outwards to exclude air, keeps normal temperature and air circulation in ring main unit.
Preferred: the passage in order to prevent the sleet side of rushing to during sleety weather enters in ring main unit, outside described ring main unitThe top cover 32 of shell 3 is that long axis direction is oval with housing 31 long axis direction identical itself, and its major and minor axis is respectively longer than shellThe major and minor axis of body 31 itself.
Preferred: in order to reduce the use to solid space, to reduce the requirement to surrounding, replace traditional lightning-arrest dressPut, described top cover 32 is provided with annular lightning arrester 33, effect attractive in appearance can also be played simultaneously.
Preferred: in order to ensure the Environmental security in the inner and outer portion of equipment, described top cover 32 is provided with relief valve, sets belowPressure sensitive device is had to be connected with relief valve, internally more than when requiring pressure, pressure sensitive device passes information to pressureRelief valve, relief valve automatically opens up and completes pressure release；After internal pressure is less than requiring pressure, relief valve closes automatically.
Preferred: in order to save space, power equipment 4 is played with the effect of monitoring, operation and protection, described electric power simultaneouslyEquipment 4 side is provided with comprehensive microcomputer protecting device 41, and opposite side is provided with data transmission unit dtu 42, is easy to control centre timelyAcquisition ring main unit information, timely ring main unit can be assigned with instruction it is ensured that the normal work of ring main unit.Simultaneously acceptableAccording to actual needs, power equipment 4 made one enter four to go out plus pt cabinet, one enter five and go out or two enter four and form, each cabinet such as go outSon can correspond to a comprehensive microcomputer protecting device 41.
Preferred: for the ease of the connection of circuit, when preventing from, in city, waterlogging occurs, to affect the use of the present invention, institute simultaneouslyState power equipment 4 top and be divided into power pack, its underpart is air vent 44；Described air vent 44 top is binding post 43,Its bottom surface is equipped with wire inlet/outlet hole, power pack stationary frame structure distance from bottom ground 40-60cm, preferably 50cm,Effectively prevent urban waterlogging, live part is high, does not affect normal power supply after flooding.
Preferred: in order to save material, to be easy to the connection of circuit, described prefabricated foundation base 1 is the elliptical cavity of hollow；Described ring main unit housing 3 adopts rustless steel or cold-rolled steel sheet material, has preferable protection, explosion prevention function.
Installing ring main unit at present under normal circumstances is to dig pit in scene, and scene is brick, then ring main unit is installed,This mounting means engineering time is long, needs the of long duration of power failure, has a strong impact on normal work and life.Using the present invention'sRing main unit, can complete the construction of prefabricated foundation base 1 in advance, typically adopt armored concrete precast construction, this kind of structure is relativelyFor firm, and long service life, in construction, the upper edge of prefabricated foundation base 1 is slightly above foundation ground 2, prefabricated basePlinth base 1 is the ellipse of hollow, the size of the major and minor axis in face and the horizontal cross-section of ring main unit shell 3 outside its horizontal cross-sectionThe matching size of the major and minor axis of inner surface closes.After the completion of ring main unit shell 3 and power equipment 4 are prefabricated all in factory, to countyCity can be mounted directly, and substantially reduces the time of construction.
The present invention has the features such as rain-proof, dust-proof, Radix Saposhnikoviae, snow defence, environmental protection, feature richness, all power equipments peacesIt is loaded in this ring main unit body, it can be avoided that external impairment, effective protection has been carried out to internal power equipment.Ring main unit housing exteriorSeem the art work, elegant in appearance, LED lamp illumination, advertisement, landscape picture etc. can be installed, advertisement can also realize economic benefit, andMore original ring main unit image is attractive in appearance, with surrounding enviroment harmony, combines together it is adaptable to urban infrastructure, is conducive to carryingRise smart city image, promote the appearance of the city to take on a new look further.Ellipsoidal structure, the narrowest can accomplish 375mm, can as little as 4.5,It is substantially reduced floor space it is achieved that social function is combined with the safety of electric power function and is independent of each other, using safety, attractive in appearance,Generous.Prefabricated foundation base is previously-completed, ring main unit shell and power equipment is prefabricated all in factory completes, and power equipment is pacifiedIt is attached on the support of ring main unit inside the shell, convenient, fast to in-site installation, shorten power off time.Effectively prevent urban waterlogging, bandElectricity is partly high, does not affect normal power supply after flooding.