Heat dissipation structure of external oil type oil conservator

Abstract

The heat dissipation structure of the external oil type oil conservator comprises a bottom plate, an oil conservator body is installed at the top of the bottom plate, an oil inlet pipe and an oil outlet pipe are arranged at the positions, close to the two ends, of the bottom of the oil conservator body respectively, and one end of the oil inlet pipe is connected with one end of an oil pump. The other end of the oil pump and one end of the oil outlet pipe are connected with an oil tank of the transformer through first connecting pipes, a heat dissipation mechanism facilitating heat dissipation of the oil conservator body is arranged on the inner side of the oil conservator body, two sets of heat conduction plates are installed on the outer wall of the oil conservator body, and a plurality of sets of cooling fins are installed on one sides of the two sets of heat conduction plates. According to the oil conservator, transformer oil can circulate between the oil tank and the oil conservator body, hot oil flowing into the inner side of the oil conservator body can be subjected to effective heat dissipation treatment through the arranged heat dissipation mechanism, the oil conservator body can be subjected to heat dissipation treatment through the arranged heat conduction plate and the arranged heat dissipation fins, and therefore the oil conservator body can be cooled through the structure. The heat dissipation efficiency of the oil conservator body and oil can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of external oil type oil conservator, concretely is the heat dissipation structure of external oil type oil conservator. BACKGROUND

[0002] In the power system, the transformer is one of the important equipment, and the external oil type oil conservator as the important component of the transformer, and the heat dissipation performance plays a key role to the stable operation of the transformer.

[0003] The heat dissipation structure of the traditional external oil type oil conservator is relatively simple, and often only relies on natural convection and the limited heat dissipation area of the cabinet to dissipate heat, and this mode can meet the basic heat dissipation demand under the condition that the transformer load is low and the environmental temperature is suitable, however, in the modern power system, the transformer often needs to work under the condition of high load, high temperature environment and long time continuous operation, and the traditional heat dissipation mode is difficult to effectively control the oil temperature, at this time, the heat dissipation capacity of the traditional oil conservator is insufficient, and the oil temperature can rapidly rise and exceed the safe operation range, therefore, it is necessary to design the heat dissipation structure of the external oil type oil conservator to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing the heat dissipation structure of external oil type oil conservator to solve the problem in the above background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: the heat dissipation structure of external oil type oil conservator, including the bottom plate, the top of the bottom plate is installed with the oil conservator body, the both ends of the oil conservator body are installed with the cover plate, the bottom of the oil conservator body is equipped with the oil inlet pipe and the oil outlet pipe respectively at the position close to both ends, one end of the oil inlet pipe is connected with one end of the oil pump, the other end of the oil pump and one end of the oil outlet pipe are all connected with the oil tank of the transformer through the first connecting pipe, the inner side of the oil conservator body is equipped with the heat dissipation mechanism convenient for its heat dissipation, the outer wall of the oil conservator body is installed with two groups of heat conduction plates, one side of two groups of heat conduction plates is installed with multiple groups of radiating fins.

[0006] Preferably, the heat dissipation mechanism includes the heat dissipation pipe, the inner side of the oil conservator body is penetrated with the flow guide pipe, the flow guide pipe is installed at the top of two groups of support frames arranged in the inner side of the oil conservator body, the top of the bottom plate is equipped with the mounting seat at one side of the oil conservator body, the top of the mounting seat is installed with the heat dissipation pipe, the outer ring of the heat dissipation pipe is installed with multiple groups of heat dissipation fins, one end of the heat dissipation pipe is connected with the circulating pump installed at the top of the bottom plate, the other end of the circulating pump and the other end of the heat dissipation pipe are all connected with the second connecting pipe, the other end of two groups of second connecting pipes is all connected with two ends of the flow guide pipe through the connecting head respectively.

[0007] Preferably, the guide pipe is spirally arranged, and the guide pipe has a larger diameter than the heat dissipation pipe and the second connecting pipe.

[0008] Preferably, the top of the bottom plate is provided with a mounting rack on one side of the heat dissipation pipe, and a plurality of groups of heat dissipation fans are mounted on the inner side of the mounting rack.

[0009] Preferably, the surfaces of the heat dissipation pipe and the heat dissipation fins are plated with silver.

[0010] Preferably, the surface of the heat dissipation fin is coated with a nano ceramic heat dissipation coating.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The oil pump can pump the oil in the transformer oil tank to the inside of the oil storage cabinet body, and the oil can flow into the inside of the oil tank through the oil outlet pipe after being cooled in the inside of the oil storage cabinet body, so that the oil in the oil tank and the oil storage cabinet body circulate, the heat dissipation mechanism can effectively cool the hot oil flowing into the inside of the oil storage cabinet body, and the heat conduction plate and the heat dissipation fin can cool the oil storage cabinet body, thereby effectively improving the heat dissipation efficiency of the oil storage cabinet body and the oil. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of the overall structure of the utility model;

[0014] Figure 2 It is a bottom view of the utility model;

[0015] Figure 3 It is a side view and top view of the utility model;

[0016] Figure 4 It is a schematic view of the internal structure of the utility model;

[0017] Figure 5 It is Figure 3 A enlarged view of A in the utility model.

[0018] In the figure: 1, bottom plate, 2, oil storage cabinet body, 3, cover plate, 4, oil inlet pipe, 5, oil outlet pipe, 6, oil pump, 7, first connecting pipe, 8, support frame, 9, guide pipe, 10, mounting seat, 11, heat dissipation pipe, 12, heat dissipation fin, 13, circulating pump, 14, second connecting pipe, 15, connecting head, 16, mounting rack, 17, heat dissipation fan, 18, heat conduction plate, 19, heat dissipation fin. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0020] Embodiment one

[0021] Please refer to Figures 1-5 The utility model provides the heat dissipation structure of outer oil formula oil storage tank, including bottom plate 1, the top of bottom plate 1 is installed with oil storage tank body 2, both ends of oil storage tank body 2 are installed with cover plate 3, the bottom of oil storage tank body 2 is close to the position of both ends and is equipped with oil inlet pipe 4 and oil outlet pipe 5 respectively, one end of oil inlet pipe 4 is connected with one end of oil pump 6, the other end of oil pump 6 and one end of oil outlet pipe 5 are all connected with the oil tank of transformer through first connecting pipe 7, the inside of oil storage tank body 2 is equipped with the heat dissipation mechanism convenient for its heat dissipation, and the outer wall of oil storage tank body 2 is installed with two groups of heat conduction plate 18, and one side of two groups of heat conduction plate 18 is installed with multiple groups of fin 19.

[0022] Specifically, through the oil pump 6 arranged, the oil in the oil tank of transformer can be pumped to the inside of oil storage tank body 2, and after heat dissipation in the inside of oil storage tank body 2, the oil can flow into the inside of oil tank through oil outlet pipe 5, so that the oil in the oil tank and the oil storage tank body 2 can circulate, through the heat dissipation mechanism arranged, the hot oil flowing into the inside of oil storage tank body 2 can be effectively heat dissipated, through the heat conduction plate 18 and fin 19 arranged, the oil storage tank body 2 can be heat dissipated, and through the above structure, the heat dissipation efficiency of oil storage tank body 2 and oil can be effectively improved.

[0023] The heat dissipation mechanism comprises a heat dissipation pipe 11, a flow guide pipe 9 is arranged through the inner side of the oil tank body 2, the flow guide pipe 9 is arranged on the top of two groups of support frames 8 arranged on the inner side of the oil tank body 2, the top of the bottom plate 1 is provided with a mounting seat 10 on one side of the oil tank body 2, the heat dissipation pipe 11 is arranged on the top of the mounting seat 10, a plurality of heat dissipation fins 12 are arranged on the outer ring of the heat dissipation pipe 11, one end of the heat dissipation pipe 11 is connected with a circulating pump 13 arranged on the top of the bottom plate 1, the other end of the circulating pump 13 and the other end of the heat dissipation pipe 11 are both connected with a second connecting pipe 14, the other ends of the two groups of second connecting pipes 14 are both connected with the two ends of the flow guide pipe 9 through connecting heads 15, and the metal fluid can circulate between the flow guide pipe 9 and the heat dissipation pipe 11 by starting the circulating pump 13. When the metal fluid is in the flow guide pipe 9, the metal fluid can absorb the heat of the hot oil in the oil tank body 2, and the metal fluid after absorbing the heat can flow into the heat dissipation pipe 11 under the action of the circulating pump 13. The heat of the metal fluid can be replaced with air under the action of the heat dissipation pipe 11 and the heat dissipation fins 12, so that the heat dissipation effect is achieved. The metal fluid after heat dissipation can flow into the flow guide pipe 9 again to exchange heat with the hot oil, so that the heat dissipation efficiency of the transformer oil can be effectively improved.

[0024] The flow guide pipe 9 is arranged in a spiral shape, the aperture of the flow guide pipe 9 is larger than the apertures of the heat dissipation pipe 11 and the second connecting pipe 14, and the metal fluid can be quickly dispersed when flowing into the flow guide pipe 9 by arranging the flow guide pipe 9 with a large aperture. The aperture becomes smaller near the outlet, so that the residence time of the metal fluid in the oil tank body 2 is prolonged, and the heat exchange effect between the metal fluid and the hot oil can be effectively improved.

[0025] The top of the bottom plate 1 is provided with a mounting frame 16 on one side of the heat dissipation pipe 11, and a plurality of heat dissipation fans 17 are arranged in the inner side of the mounting frame 16. The heat dissipation effect of the heat dissipation pipe 11 and the heat dissipation fins 12 can be further improved by arranging the heat dissipation fans 17. The surfaces of the heat dissipation pipe 11 and the heat dissipation fins 12 are both arranged in silver plating, and the surface of the heat dissipation fin 19 is coated with a nano ceramic heat dissipation coating. The heat dissipation capacity of the silver-plated heat dissipation pipe 11 and the heat dissipation fins 12 and the heat dissipation fin 19 coated with the nano ceramic heat dissipation coating can be further improved, and the heat dissipation efficiency is improved.

[0026] Working principle: first, through the set oil pump 6, the oil in the transformer tank can be pumped to the inside of the oil storage cabinet body 2, after heat dissipation in the inside of the oil storage cabinet body 2, the oil can flow into the inside of the oil tank through the oil outlet pipe 5, so that the oil in the oil tank and the oil storage cabinet body 2 can circulate, by starting the circulating pump 13, under the action of the circulating pump 13, the metal fluid can circulate between the flow guide pipe 9 and the heat dissipation pipe 11, the metal fluid can be quickly dispersed when flowing into the flow guide pipe 9, the aperture becomes smaller near the outlet, which can prolong the residence time of the metal fluid in the oil storage cabinet body 2, so that the heat exchange effect between the metal fluid and the hot oil can be effectively improved, under the action of the circulating pump 13, the metal fluid after absorbing heat can flow into the inside of the heat dissipation pipe 11, under the action of the heat dissipation pipe 11 and the heat dissipation fin 12, the heat of the metal fluid can be replaced with air to achieve the effect of heat dissipation, the heat dissipated metal fluid can flow into the heat dissipation pipe 9 again to exchange heat with the hot oil, so that the heat dissipation efficiency of the transformer oil can be effectively improved, and the whole operation process is completed.

[0027] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. Radiating structure of an external oil tank, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is provided with an oil tank body (2), both ends of the oil tank body (2) are provided with cover plates (3), the bottom of the oil tank body (2) is provided with an oil inlet pipe (4) and an oil outlet pipe (5) near both ends respectively, one end of the oil inlet pipe (4) is connected with one end of an oil pump (6), the other end of the oil pump (6) and one end of the oil outlet pipe (5) are connected with an oil tank of a transformer through a first connecting pipe (7), the inner side of the oil tank body (2) is provided with a heat dissipation mechanism for facilitating heat dissipation, and the outer wall of the oil tank body (2) is provided with two groups of heat conducting plates (18), one side of each of the two groups of heat conducting plates (18) is provided with a plurality of heat dissipation fins (19).

2. The heat dissipating structure of an external oil reservoir according to claim 1, wherein: The heat dissipation mechanism comprises a heat dissipation pipe (11), the inner side of the oil tank body (2) is provided with a flow guide pipe (9), the flow guide pipe (9) is installed on the top of two groups of support frames (8) arranged on the inner side of the oil tank body (2), the top of the bottom plate (1) is provided with a mounting seat (10) on one side of the oil tank body (2), the mounting seat (10) is provided with the heat dissipation pipe (11) on the top, a plurality of heat dissipation fins (12) are arranged on the outer ring of the heat dissipation pipe (11), one end of the heat dissipation pipe (11) is connected with a circulating pump (13) installed on the top of the bottom plate (1), the other end of the circulating pump (13) and the other end of the heat dissipation pipe (11) are connected with a second connecting pipe (14), and the other ends of the two groups of second connecting pipes (14) are connected with both ends of the flow guide pipe (9) through connecting heads (15) respectively.

3. The heat dissipating structure of an external oil reservoir according to claim 2, wherein: The flow guide pipe (9) is spirally arranged, and the aperture of the flow guide pipe (9) is larger than that of the heat dissipation pipe (11) and the second connecting pipe (14).

4. The heat dissipating structure of an external oil reservoir according to claim 3, wherein: The top of the bottom plate (1) is provided with a mounting frame (16) on one side of the heat dissipation pipe (11), and a plurality of heat dissipation fans (17) are arranged in the inner side of the mounting frame (16).

5. The heat dissipating structure of an external oil reservoir according to claim 4, wherein: The surfaces of the heat dissipation pipe (11) and the heat dissipation fins (12) are plated with silver.

6. The heat dissipating structure of an external oil reservoir according to claim 1, wherein: The surface of the heat dissipation fin (19) is coated with a nano ceramic heat dissipation coating.

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