CN220420387U - Transformer heat radiation structure and wind power generation equipment - Google Patents

Abstract

The utility model discloses a transformer heat radiation structure and wind power generation equipment, wherein a transformer is arranged in a mounting cavity, and the mounting cavity is arranged in a cabin; the transformer heat radiation structure comprises a first heat radiation fan and a second heat radiation fan, wherein the engine room is provided with an air inlet and an air outlet which are communicated with the installation cavity, and the first heat radiation fan and the second heat radiation fan are both arranged in the installation cavity; the air inlet of the first cooling fan is arranged towards the air inlet, the air outlet of the first cooling fan is arranged towards the air outlet, and the air outlet is provided with the second cooling fan. According to the utility model, the first cooling fan is arranged at the bottom of the transformer, cold air is sucked from the air inlet and hot air is blown to the air outlet, and then the second cooling fan is arranged at the air outlet, so that the hot air in the installation cavity is discharged to the outside of the engine room, and the transformer is cooled. The transformer is radiated through the cooperation of the first radiating fan and the second radiating fan, the wind resistance coefficient is small, a pipeline is not required to be paved, and the cooling efficiency is high.

Description

Transformer heat radiation structure and wind power generation equipment

Technical Field

The utility model relates to the field of wind power generation, in particular to a transformer heat dissipation structure and wind power generation equipment.

Background

In general, when power generated by wind power generation is transmitted to an electric power system, it is necessary to boost the voltage by a transformer and transmit the boosted voltage to the electric power system. The temperature of the transformer has a great influence on the performance of the transformer, and therefore, a heat radiation structure needs to be provided to the transformer. In the prior art, a centralized pipeline is adopted to supply air to a transformer in a cabin so as to realize heat dissipation of the transformer. However, such a heat dissipation structure needs to consider the arrangement of the duct and the nacelle, and the duct air supply has the drawbacks of large wind resistance coefficient and low cooling efficiency.

Disclosure of Invention

The utility model mainly aims to provide a transformer heat dissipation structure and wind power generation equipment, which are used for solving the problems of large wind resistance coefficient and low cooling efficiency of pipeline air supply.

In order to achieve the above purpose, the transformer heat dissipation structure provided by the utility model comprises a first heat dissipation fan and a second heat dissipation fan, wherein the transformer is arranged in a mounting cavity, and the mounting cavity is arranged in a cabin; the cabin is provided with an air inlet and an air outlet which are communicated with the installation cavity, and the first cooling fan and the second cooling fan are arranged in the installation cavity; the air inlet of the first cooling fan is arranged towards the air inlet, the air outlet of the first cooling fan is arranged towards the air outlet, and the air outlet is provided with the second cooling fan.

Optionally, the air inlet is disposed on a bottom wall of the nacelle and is close to a bottom of the transformer, and the air outlet is disposed on a side wall of the nacelle and is close to a top of the transformer.

Optionally, the transformer heat radiation structure further comprises a mounting frame, wherein the mounting frame comprises a bracket and a connecting plate which are connected, the bracket is connected with the bottom of the transformer, and the connecting plate is detachably connected with the first heat radiation fan.

Optionally, the connecting plate includes being connected and being the first linkage segment and the second linkage segment that the contained angle set up, first linkage segment with first radiator fan can dismantle the connection, the second linkage segment with leg joint.

Optionally, the transformer includes mount and a plurality of main part that the interval set up, the main part includes the iron core and winds and locate the coil outside the iron core, the mount with the iron core is connected, the mount with leg joint.

Optionally, a connection gap is formed between the coils of any two adjacent bodies; the number of the first cooling fans is multiple, the first cooling fans are divided into a first fan group and a second fan group, the first fan group is consistent with the number of the coils and is opposite to the bottoms of the coils in a one-to-one correspondence manner, and the second fan group is consistent with the number of the connecting gaps and is opposite to the connecting gaps in a one-to-one correspondence manner.

Optionally, the transformer heat dissipation structure further comprises an air inlet grille, and the air inlet grille is arranged at the air inlet.

Optionally, the transformer heat dissipation structure further comprises a protection cover, wherein the protection cover is connected with the outer side of the engine room, and the protection cover is covered outside the air outlet.

Optionally, the protective cover has a vent, and the vent is disposed downward.

In addition, the utility model also provides wind power generation equipment, which comprises the transformer heat dissipation structure.

According to the technical scheme, the installation cavity is formed in the engine room, the air inlet communicated with the installation cavity is formed in the bottom of the engine room, and the air outlet communicated with the installation cavity is formed in the top of the engine room. The transformer, the first cooling fan and the second cooling fan are all arranged in the mounting cavity, so that safety and reliability are improved. One end that the transformer is close to the air inlet, namely the bottom of transformer is provided with first radiator fan, and first radiator fan's air intake sets up towards the air inlet, and first radiator fan's air outlet sets up towards the air exit. The transformer generates heat to form hot air after the operation, inhale cold air from the air inlet through the first radiator fan of transformer bottom to blow the hot air that the transformer produced to the air exit, after the hot air gathers to the cabin top, the second radiator fan of setting at the air exit starts, with hot air row outside the cabin, in order to realize cooling down to the transformer, thereby improve the operating efficiency of transformer, simultaneously, also can avoid the transformer damage that the high temperature leads to, the life of extension transformer improves the security and the reliability of transformer. And the transformer is radiated through the first radiating fan and the second radiating fan, so that the wind resistance coefficient is small, a pipeline is not required to be paved, and the cooling efficiency is high.

According to the utility model, the first cooling fan is arranged at the bottom of the transformer, cold air is sucked from the air inlet and hot air is blown to the air outlet, and then the second cooling fan is arranged at the air outlet, so that the hot air in the installation cavity is discharged to the outside of the engine room, and the transformer is cooled. The transformer is radiated through the cooperation of the first radiating fan and the second radiating fan, the wind resistance coefficient is small, a pipeline is not required to be paved, and the cooling efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a transformer heat dissipation structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view illustrating a heat dissipation structure of a transformer according to another embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a heat dissipation structure of a transformer according to another embodiment of the present utility model;

FIG. 4 is a schematic diagram of a connection structure of a transformer according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a connection structure of a first heat dissipating fan according to an embodiment of the utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The description of the orientations of "up", "down", "front", "rear", "left", "right", etc. in the present utility model is based on the orientation shown in fig. 4, and is merely for explaining the relative positional relationship between the components in the posture shown in fig. 4, and if the specific posture is changed, the directional indication is changed accordingly.

The utility model provides a transformer heat dissipation structure and wind power generation equipment.

In one embodiment, as shown in fig. 1 to 3, the transformer 20 is provided in a transformer installation cavity 11, and the installation cavity 11 is provided in the nacelle 10; the transformer heat dissipation structure 100 comprises a first heat dissipation fan 30 and a second heat dissipation fan 40, wherein the engine room 10 is provided with an air inlet 12 and an air outlet 13 communicated with the installation cavity 11, and the first heat dissipation fan 30 and the second heat dissipation fan 40 are both arranged in the installation cavity 11; the air inlet of the first cooling fan 30 is disposed towards the air inlet 12, the air outlet of the first cooling fan 30 is disposed towards the air outlet 13, and the air outlet 13 is provided with the second cooling fan 40.

A mounting cavity 11 is formed in the engine room 10, an air inlet 12 communicated with the mounting cavity 11 is formed in the bottom of the engine room 10, and an air outlet 13 communicated with the mounting cavity 11 is formed in the top of the engine room 10. The transformer 20, the first radiator fan 30 and the second radiator fan 40 are all arranged in the mounting cavity 11, so that safety and reliability are improved. The end of the transformer 20 close to the air inlet 12, namely the bottom end of the transformer 20 is provided with a first cooling fan 30, the air inlet of the first cooling fan 30 is arranged towards the air inlet 12, and the air outlet of the first cooling fan 30 is arranged towards the air outlet 13. The transformer 20 generates heat to form hot air after operation, inhale cold air from the air inlet 12 through the first radiator fan 30 of transformer 20 bottom, and blow the hot air that transformer 20 produced to air exit 13, after the hot air gathers to cabin 10 top, the second radiator fan 40 that sets up at air exit 13 starts, discharge the hot air to the cabin 10 outside, in order to realize cooling down to transformer 20, thereby improve the operating efficiency of transformer 20, simultaneously, also can avoid the transformer 20 damage that the high temperature leads to, the life of transformer 20 is prolonged, the security and the reliability of transformer 20 are improved. And, dispel the heat to the transformer 20 through first radiator fan 30 and second radiator fan 40, the windage coefficient is little, does not need to lay the pipeline, and cooling efficiency is high.

The utility model realizes the heat dissipation of the transformer 20 by arranging the first heat dissipation fan 30 at the bottom of the transformer 20, sucking cold air from the air inlet 12, blowing hot air to the air outlet 13, and then arranging the second heat dissipation fan 40 at the air outlet 13, and discharging the hot air in the installation cavity 11 to the outside of the engine room 10. The transformer 20 is radiated by the cooperation of the first radiating fan 30 and the second radiating fan 40, so that the wind resistance coefficient is small, a pipeline is not required to be paved, and the cooling efficiency is high.

Specifically, the installation cavity 11 is an independent space, the installation cavity 11 and other parts of the engine room 10 have no ventilation and heat exchange paths, the temperature of the whole engine room 10 is not influenced, and the phenomenon that the temperature of other parts of the engine room 10 is too high is avoided. The first cooling fan 30 is a centrifugal fan, and the centrifugal fan can generate stable high-pressure air flow, so as to improve the cooling efficiency of the coil 222. The second heat dissipation fan 40 is a high-power axial flow fan, and the axial flow fan can rapidly discharge the hot air flow in the installation cavity 11, thereby realizing the improvement of the heat dissipation efficiency of the transformer 20.

In an embodiment, referring to fig. 1 in combination, the air inlet 12 is disposed on the bottom wall of the nacelle 10 and near the bottom of the transformer 20, and the air outlet 13 is disposed on the side wall of the nacelle 10 and near the top of the transformer 20.

The air inlet 12 is disposed on the bottom wall of the nacelle 10, and the air inlet 12 is close to the bottom of the transformer 20, so that the first cooling fan 30 is convenient to suck cool air from the air inlet 12. The air outlet 13 is provided on a side wall of the nacelle 10 to prevent the entry of rain and snow from the air outlet 13. In addition, the air outlet 13 is close to the top of the transformer 20, so that the second cooling fan 40 is convenient to discharge the hot air generated by the transformer 20 to the outside of the nacelle 10.

In an embodiment, referring to fig. 4 and 5 in combination, the transformer heat dissipation structure 100 further includes a mounting frame 50, the mounting frame 50 includes a bracket 51 and a connecting plate 52 connected to each other, the bracket 51 is connected to the bottom of the transformer 20, and the connecting plate 52 is detachably connected to the first heat dissipation fan 30.

The mounting frame 50 is arranged at the bottom of the transformer 20, and the mounting frame 50 is connected with the transformer 20 through the bracket 51, so that the mounting and fixing of the mounting frame 50 are realized. The connection plate 52 is detachably connected with the first cooling fan 30, so that the first cooling fan 30 is convenient to replace after being worn, and the first cooling fan 30 is more flexible and convenient to use.

Specifically, the bracket 51 is a rectangular frame structure, has high structural stability, and is convenient to install. The bracket 51 is positioned above the first heat dissipation fan 30, and the bracket 51 can reduce the vibration of the first heat dissipation fan 30. Meanwhile, the support 51 can prevent an operator from stepping on the first cooling fan 30 when operating the transformer 20, so that the first cooling fan 30 is more convenient to use.

In an embodiment, referring to fig. 5 in combination, the connecting plate 52 includes a first connecting section 521 and a second connecting section 522 connected to each other and disposed at an included angle, the first connecting section 521 is detachably connected to the first cooling fan 30, and the second connecting section 522 is connected to the bracket 51.

The connection plate 52 includes a first connection section 521 and a second connection section 522, the first connection section 521 extends in the front-rear direction, the second connection section 522 extends in the left-right direction, and the first connection section 521 and the second connection section 522 are disposed at an angle. The connection plate 52 is detachably connected with the first cooling fan 30 by arranging the first connection section 521, specifically, the first connection section 521 is detachably connected with the first cooling fan 30 through a fastener, the fastener is a bolt, and the bolt has the advantages of easily available materials and convenient installation. The second connection section 522 is connected with the bracket 51, and the contact area between the connection plate 52 and the bracket 51 is increased by arranging the second connection section 522, so that the structural stability of the mounting bracket 50 is higher, and the first cooling fan 30 can be stably mounted on the mounting bracket 50.

In an embodiment, referring to fig. 4 and 5 in combination, the transformer 20 includes a fixing frame 21 and a plurality of main bodies 22 disposed at intervals, the main bodies 22 include a core 221 and a coil 222 wound around the core 221, the fixing frame 21 is connected to the core 221, and the fixing frame 21 is connected to the bracket 51.

The plurality of main bodies 22 are arranged at intervals in the left-right direction, the main bodies 22 comprise a core 221 and a coil 222, the coil 222 is wound outside the core 221, and the working efficiency of the transformer 20 is improved by arranging the plurality of main bodies 22. The core 221 is coupled to the fixing frame 21, thereby achieving the mounting and fixing of the main body 22. The fixing frame 21 is connected with the bracket 51, thereby realizing the connection of the transformer 20 with the first heat radiation fan 30.

In one embodiment, referring to fig. 4 and 5 in combination, a connection gap 23 is formed between the coils 222 of any two adjacent bodies 22; the number of the first heat dissipation fans 30 is plural, the plurality of the first heat dissipation fans 30 is divided into a first fan group 31 and a second fan group 32, the first fan group 31 is consistent with the number of the coils 222 and is arranged opposite to the bottom of the coils 222 in a one-to-one correspondence manner, and the second fan group 32 is consistent with the number of the connecting gaps 23 and is arranged opposite to the connecting gaps 23 in a one-to-one correspondence manner.

A connection gap 23 is formed between the coils 222 of any adjacent two of the bodies 22, that is, the coils 222 are spaced apart. The heat dissipation efficiency of the transformer 20 is improved by providing a plurality of first heat dissipation fans 30. The plurality of first heat dissipation fans 30 are divided into a first fan group 31 and a second fan group 32, and the first fan group 31 is arranged in a manner corresponding to the number of the coils 222 and facing the bottoms of the coils 222 one by one, so as to dissipate heat of the coils 222. The second fan groups 32 are arranged opposite to the connection gaps 23 in a one-to-one correspondence manner, and the number of the connection gaps 23 is consistent, so that the blowing amount of the first cooling fan 30 is increased, and the cooling efficiency of the transformer 20 is improved.

In an embodiment, referring to fig. 4 and 5 in combination, a plurality of partition plates 211 are disposed on the fixing frame 21, and the plurality of partition plates 211 divide the fixing frame 21 into a plurality of mounting areas, and the number of the mounting areas is consistent with that of the first heat dissipation fans 30 and the mounting areas are disposed in a one-to-one correspondence.

The plurality of division plates 211 are arranged at intervals along the left-right direction, the plurality of division plates 211 divide the fixing frame 21 into a plurality of installation areas, the plurality of installation areas are arranged at intervals along the left-right direction, the installation areas are consistent in number and are arranged in one-to-one correspondence with the first cooling fans 30, and one first cooling fan 30 is arranged in each installation area. The fixing frame 21 is divided into a plurality of installation areas by the plurality of division plates 211, so that an operator can conveniently position and install the first cooling fan 30 to the corresponding position, and the installation of the first cooling fan 30 is more convenient.

In an embodiment, referring to fig. 4 and fig. 5 in combination, a ventilation notch 212 is formed on the fixing frame 21, and an air outlet of the first cooling fan 30 is communicated with the ventilation notch 212.

The ventilation gap 212 has been seted up at the top of mount 21, and the air outlet and the ventilation gap 212 of first radiator fan 30 are linked together, avoid mount 21 to produce the interference to first radiator fan 30 through setting up ventilation gap 212, improve first radiator fan 30's radiating efficiency for first radiator fan 30's use is more convenient.

In an embodiment, referring to fig. 1 and fig. 3 in combination, the transformer heat dissipation structure 100 further includes an air inlet grille 60, and the air inlet grille 60 is disposed at the air inlet 12.

The air inlet 12 is provided with an air inlet grille 60, and external dust and impurities are prevented from entering the installation cavity 11 to damage the transformer 20 by arranging the air inlet grille 60, so that the service life of the transformer 20 is prolonged, and the cabin 10 is kept clean.

Specifically, the electric filtering device is arranged on the air inlet grille 60, and is automatically started when the electric filtering device detects that the dust content is large, so that the air inlet grille 60 is automatically cleaned.

In an embodiment, referring to fig. 1 and fig. 3 in combination, the transformer heat dissipation structure 100 further includes a protection cover 70, the protection cover 70 is connected to the outside of the nacelle 10, and the protection cover 70 is covered outside the air outlet 13.

The protection cover 70 is connected with the outer side of the engine room 10 to realize the installation and fixation of the protection cover 70, the protection cover 70 is covered outside the air outlet 13, and the protection cover 70 is arranged to prevent rain and snow from flowing backwards into the installation cavity 11, so that the safety and reliability of the engine room 10 are improved, and the service life of the engine room 10 is prolonged.

In an embodiment, referring to fig. 1 and 3 in combination, the protection cover 70 has a vent 71, and the vent 71 is disposed downward. By providing the vent 71 downward, rain and snow are prevented from entering the installation cavity 11 from the side and top of the protective cover 70, the safety and reliability of the nacelle 10 are improved, and the service life of the nacelle 10 is prolonged.

In addition, the utility model also provides wind power generation equipment, which comprises the transformer heat dissipation structure 100. The specific structure of the transformer heat dissipation structure 100 refers to the above embodiment, and since the wind power generation equipment adopts all the technical solutions of the above embodiment, the transformer heat dissipation structure at least has all the beneficial effects brought by the technical solutions of the above embodiment, and will not be described in detail herein.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A transformer heat dissipation structure, wherein a transformer (20) is arranged in a mounting cavity (11), and the mounting cavity (11) is arranged in a cabin (10); the transformer heat radiation structure is characterized by comprising a first heat radiation fan (30) and a second heat radiation fan (40), wherein the engine room (10) is provided with an air inlet (12) and an air outlet (13) which are communicated with the installation cavity (11), and the first heat radiation fan (30) and the second heat radiation fan (40) are both arranged in the installation cavity (11); the air inlet of the first cooling fan (30) is arranged towards the air inlet (12), the air outlet of the first cooling fan (30) is arranged towards the air outlet (13), and the air outlet (13) is provided with the second cooling fan (40).

2. Transformer heat sink according to claim 1, characterised in that the air inlet (12) is arranged on the bottom wall of the nacelle (10) near the bottom of the transformer (20), and the air outlet (13) is arranged on the side wall of the nacelle (10) near the top of the transformer (20).

3. The transformer heat dissipation structure as recited in claim 1, characterized in that the transformer heat dissipation structure further comprises a mounting frame (50), the mounting frame (50) comprises a bracket (51) and a connecting plate (52) which are connected, the bracket (51) is connected with the bottom of the transformer (20), and the connecting plate (52) is detachably connected with the first heat dissipation fan (30).

4. A transformer heat dissipating structure according to claim 3, wherein the connection plate (52) comprises a first connection section (521) and a second connection section (522) connected and arranged at an angle, the first connection section (521) being detachably connected to the first heat dissipating fan (30), and the second connection section (522) being connected to the bracket (51).

5. The transformer heat dissipation structure as defined in claim 4, wherein the transformer (20) includes a fixing frame (21) and a plurality of main bodies (22) disposed at intervals, the main bodies (22) include a core (221) and a coil (222) wound around the core (221), the fixing frame (21) is connected to the core (221), and the fixing frame (21) is connected to the bracket (51).

6. The transformer heat dissipation structure as recited in claim 5, characterized in that a connection gap (23) is formed between the coils (222) of any adjacent two of the bodies (22); the number of the first cooling fans (30) is multiple, the first cooling fans (30) are divided into a first fan group (31) and a second fan group (32), the first fan group (31) is consistent with the number of the coils (222) and is opposite to the bottoms of the coils (222) in a one-to-one correspondence manner, and the second fan group (32) is opposite to the connecting gaps (23) in a one-to-one correspondence manner and is opposite to the connecting gaps (23) in a one-to-one correspondence manner.

7. The transformer heat dissipation structure as recited in any one of claims 1-6, characterized in that the transformer heat dissipation structure further comprises an air inlet grille (60), the air inlet grille (60) being arranged at the air inlet (12).

8. Transformer heat dissipation structure according to any of claims 1-6, characterized in that it further comprises a protective cover (70), said protective cover (70) being connected to the outside of the nacelle (10), said protective cover (70) being arranged outside the air outlet (13).

9. The transformer heat dissipation structure as recited in claim 8, characterized in that the shield (70) has a vent (71), the vent (71) being disposed downward.

10. A wind power plant, characterized in that it comprises a transformer heat dissipation structure (100) according to any one of claims 1 to 9.