CN2030367U - Fin type radiator for transformer - Google Patents

Abstract

The utility model relates to a fin type radiator for a transformer, particularly a fin type radiator for circulatory heat dispersion of an oil immersion type low-loss transformer, which is the matching component of a low-loss transformer. The forms of the fin type radiator are a fixed form and a demountable form. The utility model is composed of radiating fins, a flow collecting pipe, a suspension ring, a flange and a stopper. The radiating fins adopt a complete waviness oil passage and straight through type seam welding ribs, and arc interfaces of both ends thereof are additionally provided with turned edges. Two segments of punching holes of both sides of the flow collecting pipe are provided with reinforcing ribs, the straight port welding is changed into the flat welding, so the strength is enhanced. Compared with the existing radiator, the radiator saves oil by 10% and is large in radiating surface, economical in material and convenient in machining. The utility model has the advantages of beautiful appearance and high safety.

Description

Fin type radiator for transformer

The utility model relates to a kind of transformer chip radiator, in particular for the gilled radiator of oil immersed type low loss transformer circulation heat radiation.

The gilled radiator of being made by collecting main and fin weldering is the matching component of low loss transformer.In 1983 national low loss transformer of China is unified design drawing (unified design OBT.140.1200) two slit bamboo or chopped wood semicircle bent plates is welded into the pipe collecting main, the changeable more shape of weld is many more, interior welds is adopted in the welding of full notch of the strip on the collecting main and fin, in case damage, be difficult for repairing, and collecting main is excessive owing to otch, and the rigidity loss is too many, is difficult for guaranteeing rounding.Moreover collecting main adopt split processing, involutory again welding had both increased difficulty of processing, had damaged the attractive in appearance of profile again.Fin two ends circular arc connects straight mouthful of easy sealing-off of welding of employing, if slightly error is difficult for reprocessing, often causes product rejection because of not reprocessing.

The oil duct of this fin is designed to flat trapezoidal, and its radiating surface is less, and fuel consumption is big, and it is attractive in appearance that profile is also owed.Seam weldering muscle in the fin is a discontinuous, has increased seam weldering difficulty of processing.

The purpose of this utility model is to avoid the problems referred to above of the prior art, and provides a kind of improved more fuel-efficient and be convenient to stitch the complete corrugated gilled radiator that intensity is higher, radiating surface is bigger of weldering processing.

Task of the present utility model is finished by following measures.

The utility model is respectively to increase a flange at two positive and negative synthetic dice two ends of complete corrugated fin monolithic, and fin seam weldering muscle is a through type, forms gilled radiator with the collecting main of going out two sector holes with special-purpose perforating die.

The utility model compared with prior art has the following advantages.

Because the fin oil duct for corrugated entirely, has enlarged area of dissipation, has dwindled the oil duct gap, being equal under the radiating effect, can save transformer oil 8～10%, and good looking appearance.Fin seam weldering muscle is through type, and is more fuel-efficient, and the seam weldering processing of being more convenient for has improved intensity.The fin two ends have increased flange, make itself and the connecting of collecting main punching, and can adopt the form of downhand welding, have increased weld strength.In centre-to-centre spacing processing, if error slightly can be done trace adjustment with flange, to guarantee the applying and the welding quality of fin and collecting main.On the basis that does not influence by oil mass, two sections punchings on the collecting main, dig young, the intensity height, reinforcement is left in the centre, collecting main is strengthened once more.

The utility model is following will to be described in detail embodiment (in conjunction with the accompanying drawings).

Fig. 1 a, fixed gilled radiator front view.

Fig. 1 b, removable gilled radiator front view.

Fig. 2 a, fixed gilled radiator end view.

Fig. 2 b, removable gilled radiator end view.

Fig. 3, gilled radiator fin front view.

Fig. 4, gilled radiator collecting main front view.

The utility model is formed (seeing Fig. 1 a, b and Fig. 2 a, b) by fin (1), last collecting main (2), lower header (3), suspension ring (4), flange (5) and stopper (6).

Fin (1) (see figure 3) is to be had circular arc interface (7), had the positive and negative complete corrugated steel plate of rectangle (B that sees Fig. 3 is to the rotation) monolithic of oblique shoulder (8) to weld synthetic dice on its both sides by two two ends.On its two ends circular arc interfaces (7), has flange (9) (seeing the C-C profile of Fig. 3).The centre joint weldering muscle of fin (1) is a through type seam weldering muscle (10).

Last collecting main (2) and lower header (3) are round steel pipe.On last collecting main (2) and lower header (3) both sides, stamp out two oval punchings (11) with particular manufacturing craft, the middle reinforcement (12) that leaves between the punching (11).Requirement according to all size transformer, adopt the fin sheet number of different sheet numbers, on upper and lower collecting main (2,3), correspondence stamps out the punching (11) identical with fin sheet number, with circular arc interface (7), flange (9) assembly welding at fin (1) two ends.

Requirement according to China's all size transformer standard design.Fin sheet of the present utility model is wide to be 310 millimeters, and centre-to-centre spacing is 50 millimeters between sheet, and last lower header centre-to-centre spacing has 11 grades from 500 millimeters to 2500 millimeters, forms more than 200 specification, can with different transformer adapteds.

For in, convenience on high-power transformer transportation and the packing, except above-mentioned a kind of fixed gilled radiator (seeing that Fig. 1 a and Fig. 2 are a), second kind is removable gilled radiator (seeing Fig. 1 b and Fig. 2 b), one end of removable gilled radiator collecting main is equipped with flange (5), connects with transformer-cabinet in the transformer place to use.

Claims (2)

1, a kind of transformer chip radiator, gilled radiator in particular for oil immersed type low loss transformer circulation heat radiation, form by fin (1), last collecting main (2), lower header (3), suspension ring (4), flange (5) and stopper (6), it is characterized in that:

A fin (1) is had circular arc interface (7), is had the positive and negative complete corrugated monolithic of rectangle of oblique shoulder (8) to weld synthetic dice on its both sides by two two ends, have flange (9) on its two ends circular arc interfaces (7), the centre joint weldering muscle of fin (1) is a through type seam weldering muscle;

Last collecting main of b (2) and lower header (3) are round tube, two punchings (11) are arranged on its both sides, reinforcement (12) is arranged between punching (11), along with the different sheet numbers of the fin of transformer requirement, on upper and lower collecting main (2,3), correspondence is gone out the punching (11) identical with fin sheet number, with circular arc interface (7) flange (9) assembly welding at fin (1) two ends.

2,, it is characterized in that collecting main (2) and lower header (3) made by steel pipe according to the desired gilled radiator of claim 1.

Images