Transformer oil radiator with inclined radiating fins

Abstract

The utility model discloses a transformer oil radiator equipped with inclined radiating fins, which comprises two oil chamber components and a radiating core component arranged between the two oil chamber components, the radiating core component comprises a plurality of harmonica-shaped tubes, radiating fin groups are arranged between the adjacent harmonica-shaped tubes, and the radiating fins are arranged in the radiating fin groups. The radiating fin group comprises a plurality of radiating fins; the radiating fins are obliquely arranged, so that an included angle is formed between the radiating fins and the horizontal plane on the normal projection of the harmonica-shaped tube; and the radiating fins are in the shape of a concave curved surface. According to the heat exchanger, the heat dissipation fins are arranged at a certain inclined angle, so that hot air formed in the heat dissipation process can flow upwards along the inclined channels, the air convection heat effect is formed, the heat exchanger has higher self-cooling capacity, and the heat dissipation performance is improved; in addition, sundries accumulated in the radiating fins can be automatically cleaned under the washing of rainwater, so that the sundries are not easy to accumulate in the radiating fins.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer heat dissipation technical field, concretely relates to a transformer oil radiator equipped with inclined heat dissipation fin. BACKGROUND

[0002] The transformer oil radiator is used for cooling transformer oil, usually comprising two groups of main flow pipes and a heat dissipation core arranged between the two groups, and the transformer oil flows through the heat dissipation core to achieve the heat dissipation effect after being divided. Specifically, the heat dissipation core is usually composed of multiple groups of harmonica pipes, and heat dissipation fins are generally arranged between the harmonica pipes, and the temperature is conducted to the heat dissipation fins for cooling. In the current transformer oil radiator, for example, the Chinese utility model patent "vertical row type transformer oil radiator" with the application number 202322833054.3 previously applied by the applicant discloses that the heat dissipation fins are continuous S-shaped metal heat dissipation strips, and it is found that the heat dissipation effect needs to be improved in the use process, and the sundries (such as willow catkins, etc.) in the use environment are easy to accumulate in the gap of the heat dissipation fins and difficult to clean. SUMMARY

[0003] The utility model aims to provide a transformer oil radiator equipped with inclined heat dissipation fins to improve the heat dissipation performance and easily clean the sundries accumulated in the heat dissipation fins.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a transformer oil radiator equipped with inclined heat dissipation fins, comprising two oil chamber assemblies and a heat dissipation core assembly arranged between the two oil chamber assemblies, the heat dissipation core assembly comprises a plurality of harmonica pipes, a heat dissipation fin group is arranged between adjacent harmonica pipes, and the heat dissipation fin group comprises a plurality of heat dissipation fins; the heat dissipation fins are arranged obliquely, so that there is an included angle between the heat dissipation fins and the horizontal plane on the normal projection of the harmonica pipe; and the heat dissipation fins are concave curved surfaces.

[0005] As a preferred, the plurality of heat dissipation fins of the heat dissipation fin group are sequentially connected end to end, so that the heat dissipation fin group is in a continuous bent shape.

[0006] As a preferred, the inclination angle of the heat dissipation fins is 30°-60°.

[0007] Further, the inclination angle of the heat dissipation fins is 40°-50°.

[0008] As a preferred, the oil chamber assembly comprises a main flow pipe and a plurality of flow dividers vertically communicated with the main flow pipe, the flow dividers of the two oil chamber assemblies are one-to-one corresponding, and a plurality of vertical flat mouth-shaped flow dividing openings are arranged on the flow dividers, and the two ends of the harmonica pipe are respectively communicated with the flow dividing openings on the corresponding flow dividers.

[0009] Preferably, the side edges of the mouthpiece tube are V-angled thickened.

[0010] The utility model discloses compared with prior art, its beneficial effect lies in: the utility model discloses through setting the heat dissipation fin to be inclined to certain angle, the hot air formed in the heat dissipation process can flow along the inclined channel, thereby forming air convection heat effect, make the radiator have certain self -cooling capacity, improve the heat dissipation performance, simultaneously, the sundries of accumulation in the heat dissipation fin can be cleaned automatically under the rainwater scouring, make the sundries of accumulation not in the heat dissipation fin, in addition, the utility model discloses setting the heat dissipation fin as the curved surface, on one hand can increase the contact area of heat dissipation fin and air, further improve the heat dissipation effect, on the other hand, the rainwater is convenient for scouring. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the utility model.

[0012] Figure 2 It is the structure schematic diagram of oil chamber assembly in the utility model.

[0013] Figure 3 It is the structure schematic diagram of mouthpiece tube in the utility model.

[0014] Figure 4 It is the local structure schematic diagram of heat dissipation fin in the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further specifically explained by example below.

[0016] Example: a kind of transformer oil radiator equipped with inclined heat dissipation fin, as shown in figure, including two groups of oppositely arranged oil chamber assembly and the heat dissipation core assembly for being set between the two for intercommunication. Figures 1-4

[0017] Among them, oil chamber assembly includes main flow pipe 1 and the several shunt 2 vertically communicated in main flow pipe, the shunt 2 of two groups of oil chamber assembly is one-to-one corresponding, and a plurality of flat mouth-shaped shunt mouth 3 are set one-to-one on opposite sides. Specifically, a plurality of oil outlets are set on main flow pipe 1, and the shunt 2 is provided with oil inlet, and the oil outlet of main flow pipe 1 and the oil inlet of shunt 2 are welded and fixedly communicated, so that the transformer oil in main flow pipe 1 can flow into shunt 2. The heat dissipation core assembly includes a plurality of arranged mouthpiece tubes 4, one end of the mouthpiece tube 4 is communicated with the shunt mouth on the shunt of one of the oil chamber assemblies by welding, and the other end is communicated with the corresponding shunt mouth of the other oil chamber assembly by welding, so that a plurality of oil channels are formed between the two oil chamber assemblies.

[0018] ​In the structure, the heat dissipation fin group 5 is welded between every two adjacent harmonica tubes 4. The heat dissipation fin group 5 is in a continuous bending shape, thereby forming a plurality of heat dissipation fins connected in sequence, and every heat dissipation fin is arranged at an angle, so that the heat dissipation fin and the horizontal plane have an included angle on the normal projection of the harmonica tube, referring to Figure 4 In the embodiment, the angle is 45°. By arranging the heat dissipation fin at an angle, the air heated by the heat dissipation fin can flow upward along the inclined channel, thereby forming a heat convection, so that the heat dissipation device has a certain self-cooling capacity, and the heat dissipation performance is improved. In addition, the sundries accumulated in the heat dissipation fin can also be automatically cleaned under the washing of rainwater, and the sundries are not easy to accumulate.

[0019] Further, in the embodiment, every heat dissipation fin of the heat dissipation fin group 5 is arranged in a concave curved surface with low middle and high two sides, which can increase the contact area of the heat dissipation fin and the air, further improve the heat dissipation effect, and facilitate the washing of rainwater.

[0020] In addition, in the embodiment, the side edge of the harmonica tube 4 is designed in a V shape, the V-shaped angle is locally thickened, the V angle is 90°, which can effectively reduce the front gravel impact area and protect the sheet.

[0021] The above embodiment is only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A transformer oil radiator equipped with inclined heat dissipation fins, comprising two oil chamber assemblies and a heat dissipation core assembly disposed between the two oil chamber assemblies, characterized in that, The heat dissipation core assembly comprises a plurality of harmonica tubes, and a heat dissipation fin group is arranged between adjacent harmonica tubes, wherein the heat dissipation fin group comprises a plurality of heat dissipation fins; the heat dissipation fins are arranged in an inclined manner, so that the heat dissipation fins have an included angle with the horizontal plane in the normal projection of the harmonica tube; the heat dissipation fins are concave curved surfaces.

2. A transformer oil radiator fitted with inclined heat dissipation fins according to claim 1, characterized in that, The heat dissipation fins of the heat dissipation fin group are sequentially connected in a head-to-tail manner, so that the heat dissipation fin group has a continuous bending shape.

3. A transformer oil radiator fitted with inclined heat dissipation fins as claimed in claim 1 wherein, The inclination angle of the heat dissipation fins is 30°-60°.

4. A transformer oil radiator fitted with inclined heat dissipation fins according to claim 3, characterized in that, The inclination angle of the heat dissipation fins is 40°-50°.

5. A transformer oil radiator fitted with inclined heat dissipation fins as claimed in claim 1 wherein, The oil chamber assembly comprises a main flow pipe and a plurality of flow distributors vertically connected to the main flow pipe, the flow distributors of the two oil chamber assemblies correspond to each other, and a plurality of vertical slit-shaped flow distribution openings are arranged on the flow distributors; the two ends of the harmonica tube are respectively communicated with the flow distribution openings on the corresponding flow distributors.

6. A transformer oil radiator fitted with inclined heat dissipation fins as claimed in claim 1 wherein, The side edges of the harmonica tube are thickened in a V-shaped manner.

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