Box type transformer
Technical field:
The utility model relates generally to the transformer that a kind of distribution is used, and particularly relates to a kind of box type transformer that distribution is used that is used for, and belongs to the power control technology field.
Background technology:
Along with expanding economy, China is to reduce grid loss in the construction and transformation of urban and rural power grids, practices thrift construction fund, requires directly high pressure to be reduced to the distribution low-voltage through transformer, can reduce the power transformation level like this, has reduced the loss of electric energy.Because the needs that urban construction beautifies; To distribution facility and incorporating property of environment require increasingly high; The space that can be used to become distribution facility is more and more littler; The land area of practicing thrift change, distribution facility just becomes extremely important, and common distribution transformer all can not adapt to the new demand of electric network reconstruction and development on outward appearance, performance and interactivity.Above-mentioned requirements has then just been satisfied in the appearance of box type transformer, in the transformation of urban distribution network, has obtained using widely.
Box type transformer is a kind of complete change, controller switching equipment, can be used for terminal power supply and ring network power supply, change very conveniently, has guaranteed reliability, the flexibility of supplying power.
Box type transformer is to concentrate design in box-type shell traditional transformer; Line up indoor, the outdoor close-coupled controller switching equipment of one by certain connection plan; Being about to functions such as high powered, transformer step-down, low-voltage distribution organically combines; Be installed in a protection against the tide, antirust, dustproof, protection against rodents, fire prevention, antitheft, heat insulation, totally-enclosed, movably in the steel construction casing, electromechanical integration, totally-enclosed operation; Be specially adapted to city net construction and upgrading; Have characteristics such as volume is little, in light weight, low noise, low-loss, high reliability, therefore, be widely used in places such as residential building sub-district, commercial center, station, airport, factories and miness, enterprise, hospital, school.
At present; To the requirement of box type transformer just towards miniaturization, high integration, fewly safeguard, directions such as floor space is little, good looking appearance develop; But existing box type transformer in use also exists some problems; Can not satisfy above-mentioned requirements, therefore, developing a kind of novel box type transformer just becomes the power domain problem demanding prompt solution.
Summary of the invention:
Goal of the invention:
The utility model has proposed a kind of box type transformer that is used for distribution to the variety of issue that exists in the above-mentioned prior art, has overcome above-mentioned defective, and floor space is little, integrated level is high, be convenient to safeguard, useful life is generally longer.
Technical scheme:
A kind of box type transformer; Comprise transformer-cabinet, stationary barrier and base; Independently hyperbaric chamber, transformer room and the low-pressure chamber that is separated by stationary barrier arranged in the transformer-cabinet set inside; It is characterized in that: hyperbaric chamber, transformer room and low-pressure chamber inside are provided with lighting apparatus, are provided with attemperating unit in inside, transformer room, also are provided with automatic ventilation equipment in inside, transformer room.
The top inner surface of said transformer-cabinet is provided with thermal insulation layer.
Have ventilation slot on the sidewall of said transformer-cabinet internal layer.
The both sides of said base are provided with plug-type boom hoisting.
Said attemperating unit comprises temperature sensor and fan.
Advantage and effect:
The utility model provides a kind of box type transformer, have following advantage:
(1), advanced technology, safe and reliable;
(2), automaticity is high;
(3), investment is little, cost is low, floor space is little;
(4), good looking appearance, be prone to and environmental harmony;
(5), the no-load loss ratio reduced more than 30%, energy-saving effect is remarkable;
(6), improved the mains supply quality, reduced line loss;
(7), noise obviously reduces, and eliminated noise pollution;
(8), because loss is little, electric current is little, the transformer temperature rise is very low, and is not fragile, effectively prolonged useful life.
Description of drawings:
Fig. 1 is the utility model external structure sketch map.
Fig. 2 is the utility model internal structure sketch map.
Fig. 3 is hyperbaric chamber, transformer room and low-pressure chamber structural representation;
Fig. 4 is the insulating layer structure sketch map;
Fig. 5 is the attemperating unit structural representation.
Description of reference numerals:
1, transformer-cabinet; 2, stationary barrier; 3, base; 4, hyperbaric chamber; 5, transformer room; 6, low-pressure chamber; 7, lighting apparatus; 8, attemperating unit; 9, automatic ventilation equipment; 10, thermal insulation layer; 11, ventilation slot; 12, boom hoisting.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation:
The utility model provides a kind of box type transformer, and is as shown in fig. 1, comprises transformer-cabinet 1, is installed in stationary barrier 2 and base 3 in the transformer-cabinet 1.Transformer-cabinet 1 can adopt aluminium alloy plate, corrosion resistant plate, composite plate etc., preferred glass fibers refinforced cement (Glass Fiber Reinforced Cement, GRC).This is because the GRC material has stronger shock resistance, bend resistance ability; Anti-be exposed to the sun, radiation proof, anti-corrosion capability; Therefore protection against the tide and anti-fire resistance, can not produce the phenomenon of condensation preferably; The finished product casing efflorescence prevention performance of using the GRC material to process is very strong, reaches as high as 50 years useful life; But the color choice of transformer-cabinet 1 is big, flexible and changeable, coordinates mutually with surrounding environment.And, noise problem that the casing that adopts the GRC material to solve effectively to adopt metallic plate or color steel manufacturing is in operation and rainy day raindrop impact the problem that disturbs residents, promoted the living environment quality of community resident.Stationary barrier 2 can adopt more light aluminium alloy plate or corrosion resistant plate, to reduce the weight of whole box body, is convenient to transportation.Base 3 can adopt zinc-plated channel-section steel or cement to make, and corrosion resistance is strong like this, has enough mechanical strengths again.
As shown in Figure 2, in transformer-cabinet 1 set inside three the relatively independent cells that separated by stationary barrier 2, i.e. hyperbaric chamber 4, transformer room 5 and low-pressure chamber 6 are arranged.As shown in Figure 3, hyperbaric chamber 4, transformer room 5 and low-pressure chamber 6 inside are provided with lighting apparatus 7, and each indoor lighting apparatus 7 all can be closed down with the unlatching of chamber door automatically.As shown in Figure 3; 5 inside is provided with the attemperating unit 8 of control indoor temperature change generated in case in the transformer room, and 5 inside also are provided with automatic ventilation equipment 9 in the transformer room, are used for adjusting the indoor temperature of transformer room 5; Forced-air circulation guarantees the safe and reliable operation of casing.Automatic ventilation manufacturing 9 can be arranged on the top or the sidepiece of transformer room 5, also can the top and sidepiece all be provided with.
As shown in Figure 4; The top inner surface of said transformer-cabinet 1 is provided with thermal insulation layer 10; Be provided with like this is for fear of producing the condensation phenomenon at the high temperature extremely frigid zones owing to the temperature in the transformer-cabinet 1 sharply changes, making transformer-cabinet 1 have good heat insulation, radiation proof effect.
Shown in Fig. 1 and Fig. 2, have ventilation slot 11 on the sidewall of said transformer-cabinet 1 internal layer, the ventilation effect that can effectively increase whole transformer-cabinet 1 is set like this.
Shown in Fig. 1 and Fig. 2; The both sides of said base 3 are provided with plug-type boom hoisting 12; Be provided with like this is because the material Different Weight that casing uses is also different; The weight of common nonmetal casing is 5~8 times of weight of metal cabinet, and whole box body can't be born the strength of top lifting, at base boom hoisting is set and just can effectively addresses this problem.
Shown in Fig. 3 and Fig. 5; Said transformer room 5 inner attemperating units 8 comprise temperature sensor and fan; When the temperature of temperature sensor senses in transformer room 5 surpassed set point; Fan will start automatically, thereby reduces the indoor temperature in transformer room 5, effectively prevents because the overheated electric elements fault that causes of indoor temperature.
The utility model provides a kind of box type transformer, simple in structure, be convenient to safeguard, cost of investment is low, energy consumption is little, noise is little, long service life, is the power distribution equipment of a kind of economy, safety, science, is suitable for commercial Application.