CN218069534U - Oil tank shell structure of oil-immersed transformer - Google Patents

Abstract

The utility model discloses an oil-immersed transformer tank shell structure, the transformer housing body, the inside fixedly connected with transformer lid in transformer housing body top, one side fixedly connected with oil pipe is close to at transformer lid top, transformer housing body side fixedly connected with heat sink, transformer lid top fixedly connected with oil drum device, transformer housing body bottom is run through and is seted up business turn over oil hole. The utility model discloses a waterproof exhaust apparatus water is insoluble in the speciality of oil and prevents that moisture from getting into inside the oily formula transformer case through the device, and the moisture absorber can suck the moisture that leaves the air entering futilely in addition, has stopped moisture like this and has accelerated the possibility that the ageing speed of oil reduces the performance of transformer oil, and gas relay can send out the police dispatch newspaper in the very first time of the gas that produces when unusual in inside, and the transformer ceiling can sunshade rain-proof reduce to let the ageing sealed moisture that does not closely make of transformer part for a long time sunshine get into.

Description

Oil tank shell structure of oil-immersed transformer

Technical Field

The utility model relates to a transformer technical field especially relates to an oil-immersed transformer tank shell structure.

Background

A distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, 10 (6) kV or 35kV network voltage is reduced to 230/400V bus voltage used by users, an oil immersed transformer is a novel high-performance transformer with a more reasonable structure and better performance, oil is used as a main insulation means of the transformer, and is used as a cooling medium, such as oil immersed self-cooling, oil immersed air cooling, oil immersed water cooling, forced oil circulation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that solve is waterproof.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an oil-immersed transformer tank shell structure, including the transformer housing body, its characterized in that: the transformer cover is fixedly connected with the inside of the top of the transformer shell body, the top of the transformer cover is close to one side of the oil pipe, the side face of the transformer shell body is fixedly connected with a cooling device, the top of the transformer cover is fixedly connected with an oil drum device, and the bottom of the transformer shell body is provided with an oil inlet and outlet hole in a penetrating mode.

Through above-mentioned technical scheme, transformer lid has the limit of the design of the equilateral triangle limit of round down all around, and this limit is used for making the whole top mouth that covers the transformer housing body of lid, and the design of equilateral triangle limit is applicable to and prevents that water from upwards running because of tension reason and getting into inside, and the lid accompanies the rubber antiskid with the this body contact surface of shell and still has waterproof effect simultaneously, and the mounting screw is from the bottom, and the oil drum is used for adjusting the oil pressure.

The utility model discloses further set up to, the heat sink comprises outside cooling tube, heat dissipation box and powerful heat dissipation fan, outside cooling tube comprises the fin of a plurality of "C" style of calligraphy designs, transformer housing body side symmetry runs through and has seted up a plurality of oil holes, a plurality of holes have been seted up from top to bottom to outside cooling tube one side, transformer housing body side oil hole and the hole fixed connection of outside cooling tube, outside cooling tube opposite side fixedly connected with heat dissipation box, the powerful heat dissipation fan of fixedly connected with in the heat dissipation box.

Through above-mentioned technical scheme, the interval all has the interval to be used for the air to get rid of between each piece of "C" style of calligraphy fin that outside radiating tube is, and powerful heat dissipation fan is through driving the air and flowing through from the "C" style of calligraphy fin of outside radiating tube and take away the heat and further this cooling.

The utility model discloses further set up to, the oil drum device comprises oil drum support, oil drum and oil pressure scale, desiccator, "C" type return bend and waterproof exhaust apparatus, two-way valve, oil drum support and transformer lid top fixed connection, oil drum support top and oil drum fixed connection, oil drum top and desiccator fixed connection, desiccator top and "C" type return bend fixed connection, "C" type return bend and waterproof exhaust apparatus bottom fixed connection, waterproof exhaust apparatus top and two-way valve fixed connection.

Through above-mentioned technical scheme, it leaves the space not to fill with oil in the oil drum, the inside oil of transformer passes through oil pipe to the intussuseption of oil drum because high temperature inflation, flow back from the oil drum through oil pipe again when the temperature reduces oily shrink, can extrude the air and pass through the desiccator during the oil high temperature inflation, "C" type return bend, waterproof exhaust apparatus, two-way valve is got rid of and is absorbed inside moisture when passing through the desiccator, two-way valve only inside just can open the exhaust when high pressure and low pressure and breathe in, waterproof exhaust apparatus constitutes for two jars that are equipped with half bottle of oil, it is waterproof to be water insoluble in the characteristic of oil when can only meeting water through gas.

The utility model discloses further set up to, be equipped with buchholz relay in the middle of the oil pipe, oil pipe top and oil drum fixed connection.

Through above-mentioned technical scheme, buchholz relay only can trigger through gas and be used for preventing various trouble.

The utility model discloses further set up to, transformer lid top fixedly connected with wire-terminal, transformer lid top fixedly connected with ceiling support, ceiling support top fixedly connected with transformer ceiling, transformer lid top is equipped with the thermometer.

Through above-mentioned technical scheme, the thermometer is used for detecting inside temperature, and the ceiling is used for the sunshade and keeps off the rain and slows down long-day ageing and waterproof and can also prevent that sunshine too long temperature is too high.

The utility model discloses further set up to, transformer housing body bottom fixedly connected with supporting legs, business turn over oil hole bottom fixedly connected with fuel tap.

Through above-mentioned technical scheme, the fuel tap is used for towards inside oil filling with take out inside oil, and the supporting legs is fixed when being used for supporting the converter and installing.

The utility model has the advantages as follows:

the utility model discloses a waterproof exhaust apparatus water is insoluble in the speciality of oil and prevents that moisture from getting into inside the oily formula transformer case through the device, and inside moisture absorber can suck the moisture that air entered of catching luck in addition, has stopped moisture like this and has accelerated the possibility that the ageing speed of oil reduces the performance of transformer oil, and buchholz relay can send out the police dispatch newspaper in the very first time of the gas that produces when unusual in inside, and the transformer ceiling can the sunshade rain-sheltering reduction and lets the ageing sealed moisture that does not closely make of transformer part get into for a long time sunshine.

Drawings

Fig. 1 is a three-dimensional structure diagram of the oil tank shell structure of the oil-immersed transformer of the present invention;

fig. 2 is a front view of the oil tank casing structure of the oil immersed transformer of the present invention;

fig. 3 is the utility model relates to a bottom view of oil-immersed transformer tank shell structure.

In the figure: 1. a transformer housing body; 2. supporting legs; 3. an external heat dissipation tube; 4. a strong heat dissipation fan; 5. a transformer cover; 6. a wire terminal; 7. an oil pipe; 8. a gas relay; 9. an oil drum support; 10. an oil drum; 11. an oil pressure gauge; 12. a ceiling mount; 13. a transformer ceiling; 14. a moisture absorber; 15. a "C" bend; 16. a waterproof exhaust device; 17. a two-way valve; 18. a heat dissipation box; 19. an oil valve; 20. a thermometer.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, 2 and 3, an oil tank housing structure of an oil-immersed transformer comprises a transformer housing body 1, a transformer cover 5 is fixedly connected to the inside of the top of the transformer housing body 1, an oil pipe 7 is fixedly connected to the top of the transformer cover 5 near one side, a wire connector 6 is fixedly connected to the top of the transformer cover 5, a ceiling bracket 12 is fixedly connected to the top of the transformer cover 5, a transformer ceiling 13 is fixedly connected to the top of the transformer cover 5, a thermometer 20 is arranged on the top of the transformer cover 5, a gas relay 8 is arranged in the middle of the oil pipe 7, the top of the oil pipe 7 is fixedly connected to the oil drum 10, a cooling device is fixedly connected to the side of the transformer housing body 1, oil inlet and outlet holes are formed in the bottom of the transformer housing body 1, the cooling device is composed of an external heat dissipation pipe 3, a heat dissipation box 18 and a powerful heat dissipation fan 4, the external heat dissipation pipe 3 is composed of a plurality of heat dissipation fins designed in a C shape, a plurality of oil inlet and outlet holes are formed in the side of the transformer housing body 1, a plurality of oil drum devices are connected to the top of the transformer housing body, a heat dissipation pipe 10 and a waterproof oil drum 14 are connected to the oil absorption valve 14, the top of the moisture absorber 14 is fixedly connected with a C-shaped bent pipe 15, the C-shaped bent pipe 15 is fixedly connected with the bottom of a waterproof exhaust device 16, and the top of the waterproof exhaust device 16 is fixedly connected with a two-way valve 17.

The utility model discloses when using, fill or emit cooling oil to inside through fuel tap 19, 4 rotatory drive circulation of air heat dissipations of powerful heat dissipation fan in the heat dissipation box 18, inside temperature is observed to thermometer 20, observes the oil drum oil mass through oil pressure scale 11, absorbs the inside steam that produces through moisture absorber 14, and the inside gas that produces is got rid of to rethread "C" type return bend 15, waterproof exhaust apparatus 16 and two-way valve 17, prevents that outside steam from getting into inside simultaneously.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (6)

1. The utility model provides an oil-immersed transformer tank shell structure, includes transformer housing body (1), its characterized in that: the transformer cover is characterized in that a transformer cover (5) is fixedly connected to the inside of the top of the transformer shell body (1), one side of the top of the transformer cover (5) is close to a fixedly connected oil pipe (7), a cooling device is fixedly connected to the side face of the transformer shell body (1), an oil drum device is fixedly connected to the top of the transformer cover (5), and an oil inlet and outlet hole is formed in the bottom of the transformer shell body (1) in a penetrating mode.

2. The oil tank shell structure of an oil-filled transformer according to claim 1, characterized in that: the cooling device is composed of an external radiating pipe (3), a radiating box (18) and a powerful radiating fan (4), the external radiating pipe (3) is composed of radiating fins designed in a plurality of 'C' shapes, a plurality of oil holes are formed in the lateral symmetry of the transformer shell body (1) in a penetrating mode, a plurality of holes are formed in one side of the external radiating pipe (3) from top to bottom, the oil holes in the lateral side of the transformer shell body (1) are fixedly connected with the holes of the external radiating pipe (3), the radiating box (18) is fixedly connected with the other side of the external radiating pipe (3), and the powerful radiating fan (4) is fixedly connected in the radiating box (18).

3. The oil tank shell structure of an oil-filled transformer according to claim 1, characterized in that: the oil drum device comprises an oil drum support (9), an oil drum (10), an oil pressure gauge (11), a moisture absorber (14), a C-shaped bent pipe (15), a waterproof exhaust device (16) and a two-way valve (17), wherein the oil drum support (9) is fixedly connected with the top of a transformer cover (5), the top of the oil drum support (9) is fixedly connected with the oil drum (10), the top of the oil drum (10) is fixedly connected with the moisture absorber (14), the top of the moisture absorber (14) is fixedly connected with the C-shaped bent pipe (15), the C-shaped bent pipe (15) is fixedly connected with the bottom of the waterproof exhaust device (16), and the top of the waterproof exhaust device (16) is fixedly connected with the two-way valve (17).

4. The oil tank shell structure of an oil-filled transformer according to claim 1, characterized in that: the gas relay (8) is arranged in the middle of the oil pipe (7), and the top of the oil pipe (7) is fixedly connected with the oil drum (10).

5. The oil tank shell structure of an oil-filled transformer according to claim 1, characterized in that: the transformer cover is characterized in that an electric wire connector (6) is fixedly connected to the top of the transformer cover (5), a ceiling support (12) is fixedly connected to the top of the transformer cover (5), a transformer ceiling (13) is fixedly connected to the top of the ceiling support (12), and a thermometer (20) is arranged on the top of the transformer cover (5).

6. The oil tank shell structure of an oil-filled transformer according to claim 1, characterized in that: the transformer casing body (1) bottom fixedly connected with supporting legs (2), business turn over oil hole bottom fixedly connected with oil valve (19).

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