CN214012695U - Cooling device for transformer radiating fins - Google Patents

Abstract

The utility model discloses a cooling device for transformer radiating fins, which belongs to the technical field of transformer radiating, and comprises a base, wherein the top end of the base is fixedly connected with a shell, an electrical component is arranged in the shell, a heat conducting fin is fixedly connected on the outer wall of the shell close to the electrical component, a sealing frame is fixedly connected on the outer wall of the heat conducting fin, a liquid storage chamber is reserved between the heat conducting fin and the sealing frame, the top end of the sealing frame is communicated with a plurality of steam pipes, the top end of the shell is fixedly connected with a mounting box, a small water pump is arranged in the mounting box, a return pipe is communicated on the outer wall of the top end of the sealing frame, the cooling device can realize the cooling of a transformer arranged outdoors, the sealing frame is arranged on the outer layer and is filled with liquid, the influence of the ambient temperature on the transformer can be reduced, the radiating fins can be cooled by water, and the radiating efficiency of the radiating fins is accelerated.

Description

Cooling device for transformer radiating fins

Technical Field

The utility model relates to a transformer heat dissipation technical field, more specifically say, relate to a cooling device for transformer fin.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

When the transformer is used, a large amount of heat can be generated, the highest temperature can reach about one hundred to two hundred degrees, the temperature of the transformer is too high, the system safety operation can be threatened, the service life of an insulating paperboard inside the transformer can be shortened, the insulating paperboard becomes brittle and is easy to break, a certain insulating effect is lost, breakdown and other accidents are caused, the insulation of a winding is seriously aged, the degradation of insulating oil is accelerated, the service life is influenced, so that the influence of the too high temperature of the transformer on the transformer is very large, and the transformer can be avoided.

The existing heat dissipation device is mostly provided with heat dissipation fins outside the transformer, and when the temperature is too high, the heat dissipation effect of the heat dissipation fins is limited, and the heat cannot be dissipated too high.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a cooling device for transformer fin, it can realize cooling down installing open air transformer, and the skin is provided with sealed frame, is full of liquid in the sealed frame, can reduce ambient temperature to the influence of transformer, and can carry out the water-cooling to the fin for the radiating efficiency of fin.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A cooling device for transformer radiating fins comprises a base, wherein the top end of the base is fixedly connected with a shell, an electrical component is installed inside the shell, a heat conducting fin is fixedly connected to the outer wall of the shell close to the electrical component, a sealing frame is fixedly connected to the outer wall of the heat conducting fin, a liquid storage chamber is reserved between the heat conducting fin and the sealing frame, the top end of the sealing frame is communicated with a plurality of steam pipes, the top end of the shell is fixedly connected with a mounting box, a small water pump is arranged in the mounting box, a backflow pipe is communicated to the outer wall of the top end of the sealing frame, penetrates through the outer side wall of the mounting box and is communicated with the water outlet end of the small water pump, a water tank is buried in soil right below the base, a liquid outlet pipe is communicated to the outer wall of the bottom end of the water tank, and a cold water pipe is communicated to the water inlet end of the small water pump, the top outer wall of the water tank is communicated with a liquid inlet pipe, the liquid inlet pipe extends to the outside of soil, a liquid level switch is fixedly connected between the sealing frame and the heat conducting fin, and the liquid level switch is electrically connected with the small water pump.

Further, the top intercommunication of water tank has the pressure release pipe, outside the pressure release pipe extended to soil, through the setting of pressure release pipe, avoided small-size water pump to cause the water tank to warp when extracting the water in the water tank.

Furthermore, the top end fixed connection filter sleeve of pressure release pipe through the setting of filter sleeve, has avoided debris to get into the pressure release pipe and has caused the water in the pressure release pipe to cause the pollution.

Further, shell top fixedly connected with rain-drop, rain-drop is located the steam pipe directly over, sets up through the rain-drop, and when having avoided the circumstances such as rainy day, impurity such as rainwater gets into the liquid storage chamber through the steam pipe and produces the influence.

Further, the bottom intercommunication of seal frame has the fluid-discharge tube, through the setting of fluid-discharge tube, when having impurity or incrustation scale in the seal frame, can add the reactant and carry out the scale removal, then sewage passes through the fluid-discharge tube and discharges, has reduced the operation degree of difficulty.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) it can realize cooling down installing open air transformer this scheme, and the skin is provided with sealed frame, is full of liquid in the sealed frame, can reduce ambient temperature to the influence of transformer, and can carry out the water-cooling to the fin for the radiating efficiency of fin.

(2) The top intercommunication of water tank has the pressure release pipe, and outside the pressure release pipe extended to soil, through the setting of pressure release pipe, avoided small-size water pump to cause the water tank to warp when extracting the water in the water tank.

(3) The top fixed connection of pressure release pipe filters the cover, through the setting of filtering the cover, has avoided debris to get into the pressure release pipe and has caused the intraductal water of pressure release to cause the pollution.

(4) The rain shed is fixedly connected to the top end of the shell and located right above the steam pipe, and impurities such as rainwater enter the liquid storage chamber through the steam pipe to affect when rain and other conditions are avoided due to the rain shed.

(5) The bottom intercommunication of seal frame has the fluid-discharge tube, through the setting of fluid-discharge tube, when having impurity or incrustation scale in the seal frame, can add the reactant and carry out the scale removal, then sewage passes through the fluid-discharge tube and discharges, has reduced the operation degree of difficulty.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a housing; 3. an electrical component; 4. a sealing frame; 5. a liquid storage chamber; 6. a steam pipe; 7. Mounting a box; 8. a liquid inlet pipe; 9. a small-sized water pump; 10. a return pipe; 11. a water tank; 12. a liquid outlet pipe; 13. A cold water pipe; 14. a pressure relief pipe; 15. a filter sleeve; 16. rain shielding; 17. a liquid level switch; 18. a liquid discharge pipe; 19. a heat conductive sheet.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a cooling device for transformer heat sink includes a base 1, a housing 2 is fixedly connected to a top end of the base 1, an electrical component 3 is installed inside the housing 2, a heat conducting fin 19 is fixedly connected to an outer wall of the housing 2 close to the electrical component 3, a sealing frame 4 is fixedly connected to an outer wall of the heat conducting fin 19, a liquid storage chamber 5 is reserved between the heat conducting fin 19 and the sealing frame 4, a liquid discharge pipe 18 is connected to a bottom end of the sealing frame 4, a reactant can be added to remove scale when impurities or scale are present in the sealing frame 4 by the arrangement of the liquid discharge pipe 18, then sewage is discharged through the liquid discharge pipe 18, the operation difficulty is reduced, a plurality of steam pipes 6 are connected to a top end of the sealing frame 4, a rain fly 16 is fixedly connected to a top end of the housing 2, the rain fly 16 is located right above the steam pipes 6, the rain fly 16 is arranged, so that impurities such as rain water and the like can enter the liquid storage chamber 5 through the steam pipes 6 to affect the case, the top end of the shell 2 is fixedly connected with a mounting box 7, a small water pump 9 is arranged in the mounting box 7, a return pipe 10 is communicated with the outer wall of the top end of the sealing frame 4, the return pipe 10 penetrates through the outer side wall of the mounting box 7 and is communicated with the water outlet end of the small water pump 9, a water tank 11 is buried in soil right below the base 1, a liquid outlet pipe 12 is communicated with the outer wall of the bottom end of the water tank 11, a cold water pipe 13 is communicated between the liquid outlet pipe 12 and the water inlet end of the small water pump 9, a liquid inlet pipe 8 is communicated with the outer wall of the top end of the water tank 11, the liquid inlet pipe 8 extends out of the soil, a pressure relief pipe 14 is communicated with the top end of the water tank 11, the pressure relief pipe 14 extends out of the soil, the deformation of the water tank 11 when the water in the water tank 11 is extracted by the small water pump 9 is avoided through the arrangement of the pressure relief pipe 14, a filter sleeve 15 is fixedly connected with the top end of the filter sleeve 15, and the pollution caused by the water in the pressure relief pipe 14 caused by the entry of sundries is avoided, a liquid level switch 17 is fixedly connected between the sealing frame 4 and the heat conducting fin 19, and the liquid level switch 17 is electrically connected with the small water pump 9; the distance between the outer wall of seal frame 4 and the inner wall of shell 2 is less than 2 centimetres, but sufficient space is reserved at installation level switch 17's position, level switch 17 is provided with liquid level trigger point and lower liquid level trigger point, when the liquid level descends to liquid level trigger point down, the starter motor, when liquid level trigger point was arrived to the liquid level, close the motor, specifically how to operate, for more mature technique among the prior art, do not do specific description here, go up liquid level trigger point and lower liquid level trigger point and do the adaptability according to the size of shell 2 and adjust.

When the small-sized water pump is used, heat in the electrical component 3 is led out through the heat conducting fin 19, the heat conducting fin 19 is wrapped by water, when the temperature is too high, liquid in the liquid storage chamber 5 is evaporated to bring out the heat, when the liquid level in the liquid storage chamber 5 is lower than the lower liquid level of the liquid level switch 17, the small-sized water pump 9 is started to fill water in the liquid storage chamber 5, and when the liquid level in the liquid storage chamber 5 reaches the upper liquid level of the liquid level switch 17, the small-sized water pump 9 is closed, so that the circulation is performed, and the cooling of the heat conducting fin 19 is accelerated; compared with the prior art, the cooling device can cool the transformer installed outdoors, the sealing frame is arranged on the outer layer, liquid is filled in the sealing frame, the influence of the environment temperature on the transformer can be reduced, the cooling fins can be cooled by water, and the cooling efficiency of the cooling fins is improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a cooling device for transformer fin, includes base (1), the top fixedly connected with shell (2) of base (1), the internally mounted of shell (2) has electrical components (3), fixed connection conducting strip (19), its characterized in that on shell (2) were close to electrical components's (3) outer wall: the outer wall of the heat conducting fin (19) is fixedly connected with a sealing frame (4), a liquid storage chamber (5) is reserved between the heat conducting fin (19) and the sealing frame (4), the top end of the sealing frame (4) is communicated with a plurality of steam pipes (6), the top end of the shell (2) is fixedly connected with a mounting box (7), a small water pump (9) is arranged in the mounting box (7), the outer wall of the top end of the sealing frame (4) is communicated with a return pipe (10), the return pipe (10) penetrates through the outer side wall of the mounting box (7) and is communicated with the water outlet end of the small water pump (9), a water tank (11) is buried in soil right below the base (1), the outer wall of the bottom end of the water tank (11) is communicated with a liquid outlet pipe (12), a liquid inlet pipe (13) is communicated between the liquid outlet pipe (12) and the water inlet end of the small water pump (9), and a liquid inlet pipe (8) is, the liquid inlet pipe (8) extends to the outside of the soil, a liquid level switch (17) is fixedly connected between the sealing frame (4) and the heat conducting fins (19), and the liquid level switch (17) is electrically connected with the small water pump (9).

2. A cooling device for a transformer heat sink according to claim 1, wherein: the top end of the water tank (11) is communicated with a pressure relief pipe (14), and the pressure relief pipe (14) extends out of the soil.

3. A cooling device for a transformer heat sink according to claim 2, wherein: the top end of the pressure relief pipe (14) is fixedly connected with a filter sleeve (15).

4. A cooling device for a transformer heat sink according to claim 1, wherein: the top end of the shell (2) is fixedly connected with a rain cape (16), and the rain cape (16) is positioned at the upper end of the steam pipe (6).

5. A cooling device for a transformer heat sink according to claim 1, wherein: the bottom end of the sealing frame (4) is communicated with a liquid discharge pipe (18).

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