CN209959403U - Heat dissipation device for wind generating set and wind generating set - Google Patents

Abstract

The utility model relates to the technical field of wind power generation, in particular to a heat dissipation device for a wind power generator set and a wind power generator set. There is a generator set, and a heat dissipation box is arranged on the outside of the generator set. The cavity of the heat dissipation box is divided into an air-cooled heat dissipation bin and a water-cooled heat dissipation bin. There is water-cooled liquid, a serpentine tube is arranged between the water-cooled heat dissipation bin and the air-cooled heat-dissipation bin, the top of the hood is fixed with an air guide pipe, the output end of the air guide duct extends into the air-cooled heat-dissipation bin, and the nacelle cover is far away from the fan blades. One side is provided with a ventilation grille, and the output end of the air-cooled heat dissipation bin is connected with the ventilation grille through pipes. The utility model has the advantages of simple structure, low heat dissipation energy consumption, strong dustproof performance, market prospect and suitable for promotion.

Description

A kind of cooling device for wind turbine and wind turbine

technical field

The utility model relates to the technical field of wind power generation, in particular to a heat dissipation device for a wind power generating set and a wind power generating set.

Background technique

As a safe and clean renewable energy, wind energy has attracted more and more attention. Wind power generation equipment is a power generation equipment that relies on capturing wind energy and converting kinetic energy into electrical energy. In modern large-scale wind turbines, as the power generated by a single unit increases, more and more heat is generated by the generator components inside the wind turbine. Therefore, it is necessary to design a new type of wind turbine cooling device to dissipate the heat in the wind turbine, so as to ensure the safe and trouble-free operation of the wind turbine. At present, in order to reduce the temperature in the wind turbine, the main heat dissipation method is to install an air conditioning system, or introduce external air from the lower platform space to the inner platform space, and then conduct heat exchange and heat dissipation in the inner platform space. However, these technologies all have certain defects. For example, the cooling method of the air-conditioning system, the air-conditioning equipment is industrial air-conditioning, the equipment is expensive, occupies a large space, and also requires other auxiliary equipment, high energy consumption and poor dust-proof performance. A cooling device for wind turbines and a wind turbine are proposed to solve the above problems.

Utility model content

The purpose of this utility model is to solve the shortcomings of the existing heat dissipation device for wind turbines, which have high energy consumption and poor dustproof performance in the prior art, and propose a heat dissipation device for wind turbines and a wind turbine. .

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

Design a heat dissipation device for wind turbines and wind turbines, including a tower body, the top of the tower body is connected with a nacelle cover through a rotating shaft, a fan blade is arranged on one side of the nacelle cover, and the inside of the nacelle cover is It is a cavity structure, a generator set is fixed inside the cavity of the nacelle cover, and a heat dissipation box matching its outline is arranged on the outside of the generator set. The interior of the cavity of the heat dissipation box is divided into an air-cooled heat dissipation bin and a water-cooled heat dissipation bin by a partition plate. On the inside of the body ring, a number of heat-conducting fins are fixed at equal angles in the inside of the ring of the heat-dissipating box. One side of the unit extends to the interior of the water-cooled heat dissipation chamber, the water-cooled heat dissipation chamber is filled with water-cooled liquid, and the water-cooled heat dissipation chamber and the air-cooled heat dissipation chamber are equally spaced and fixed on the partition plate. There are several serpentine tubes, the output end and the output end of the serpentine tube are connected with the inside of the water-cooled heat sink, and the side pipe body between the output end and the output end of the serpentine tube extends to the air In the cooling and radiating compartment, an air guide duct is fixed on the top of the nacelle cover, and the output end of the air guide duct extends into the air-cooling and radiating compartment, and the side of the nacelle cover away from the fan blades is provided with a ventilation duct The output end of the air-cooled heat dissipation bin is communicated with the ventilation grille through a pipeline.

Preferably, the serpentine tube has a copper tube body structure.

Preferably, the outer circumference of the heat dissipation box is detachably connected to the inner wall of the cavity of the nacelle cover through bolts.

Preferably, the number of the air guide ducts is two, and the output ends of the two air guide ducts are arranged opposite to the fan blades.

The utility model proposes a heat dissipation device for a wind power generator set and a wind power generator set, the beneficial effect is that: through the nacelle cover with a ventilation grille and an air guide duct and the air-cooled heat-dissipation bin, The heat dissipation box of the fins and the serpentine tube cooperates with each other, and the heat generated by the operation of the generator set is exported by the heat conduction sheet and transferred to the water-cooled radiator. The heat in the serpentine tube is dissipated by the air flow of the air duct. The whole heat dissipation process is in a sealed state, and the outside wind is not easy to enter the cabin cover and cause damage to the mechanical equipment, which improves the dustproof performance and increases the heat dissipation performance.

Description of drawings

Fig. 1 is the structural representation of a kind of cooling device for wind power generating set and wind power generating set proposed by the utility model;

2 is a schematic cross-sectional structure diagram of a heat dissipation device for a wind turbine and a wind turbine proposed by the utility model;

FIG. 3 is an enlarged schematic view of the structure of the area A in FIG. 2 .

In the figure: tower body 1, cabin cover 2, ventilation grille 3, air guide duct 4, heat dissipation box 5, air-cooled heat dissipation bin 6, water-cooled heat dissipation bin 7, heat conduction sheet 8, generator set 9, serpentine tube 10.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a cooling device for a wind turbine and a wind turbine, comprising a tower body 1, the top of the tower body 1 is connected with a nacelle cover 2 through a rotating shaft, and a fan blade is provided on one side of the nacelle cover 2, The interior of the nacelle cover 2 is a cavity structure, the inside of the cavity of the nacelle cover 2 is fixedly provided with a generator set 9, the outer side of the generator set 9 is provided with a heat dissipation box 5 that matches its contour, and the heat dissipation box 5 is a circular cavity. Structure, the outer circumference of the heat dissipation box 5 is detachably connected to the inner wall of the cavity of the nacelle cover 2 through bolts, and the interior of the cavity of the heat dissipation box 5 is divided into an air-cooled heat dissipation bin 6 and a water-cooled heat dissipation bin 7 by a partition.

The air-cooled heat dissipation bin 6 is arranged on the outside of the ring of the heat dissipation box 5, and the water-cooled heat dissipation bin 7 is arranged on the inner side of the ring of the heat dissipation box 5. The inner ring of the heat dissipation box 5 is equidistantly fixed with a number of heat-conducting fins 8 to conduct heat. One side of the sheet 8 is in conflict with the outer wall of the generator set 9, and the side of the heat conducting sheet 8 away from the generator set 9 extends to the interior of the water-cooled heat dissipation bin 7. The water-cooled heat dissipation bin 7 is filled with water cooling liquid, and the water-cooled heat dissipation bin 7 A number of serpentine tubes 10 are equally spaced and fixed on the partition between the air-cooled heat sink 6. The serpentine tube 10 is a copper tube body structure. 7 The interior is connected, and the side pipe body between the output end of the serpentine tube 10 and the output end extends into the air-cooled heat dissipation bin 6, and the top of the cabin cover 2 is fixedly provided with an air guide duct 4, and the number of the air guide duct 4 is two. The output ends of the two air guide ducts 4 are arranged opposite to the fan blades, the output ends of the air guide ducts 4 extend into the air-cooled heat dissipation bin 6, and the side of the nacelle cover 2 away from the fan blades is provided with a ventilation grille 3, The output end of the air-cooled heat dissipation bin 6 is communicated with the ventilation grille 3 through a pipeline.

When in use, through the interaction between the cabin cover 2 with the ventilation grille 3 and the air guide duct 4 and the heat dissipation box 5 with the air-cooled heat dissipation bin 6, the water-cooled heat dissipation bin 7, the heat conducting sheet 8 and the serpentine tube 10 , the heat generated by the operation of the generator set 9 is derived from the heat-conducting sheet 8 and transferred to the water-cooled heat sink 7, while the water-cooled liquid in the water-cooled heat sink 7 is heated to flow through the serpentine tube 10, and the heat in the serpentine tube 10 is The air flow of the air duct 4 dissipates heat, and the entire heat dissipation process is in a sealed state, and the outside wind is not easy to enter the cabin cover 2 to cause damage to the mechanical equipment, which improves the dustproof performance and increases the heat dissipation performance.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (4)

1. The utility model provides a heat abstractor and wind generating set for wind generating set, includes body of the tower (1), its characterized in that, body of the tower (1) top is rotated through the pivot and is connected and be equipped with cabin cover (2), cabin cover (2) one side is equipped with the fan blade, cabin cover (2) inside is the cavity structure, the inside fixed generating set (9) that is equipped with of cavity of cabin cover (2), the outside of generating set (9) is equipped with rather than profile phase-match's heat dissipation box (5), heat dissipation box (5) are the annular cavity structure, the cavity of heat dissipation box (5) is inside to be separated for air-cooled heat dissipation storehouse (6) and water-cooling heat dissipation storehouse (7) through the baffle, air-cooled heat dissipation storehouse (6) set up heat dissipation box (5) ring outside, water-cooling heat dissipation storehouse (7) set up heat dissipation box (5) ring inboard, a plurality of heat conducting fins (8) are uniformly and fixedly arranged in the circular ring of the heat radiating box body (5) at equal angles, one side of each heat conducting fin (8) is abutted against the outer wall of the generator set (9), one side of each heat conducting fin (8) far away from the generator set (9) extends to the interior of the water-cooling heat radiating bin (7), water-cooling liquid is filled in the water-cooling heat radiating bin (7), a plurality of coiled pipes (10) are uniformly and fixedly arranged on a partition plate between the water-cooling heat radiating bin (7) and the air-cooling heat radiating bin (6) at equal intervals, the output ends and the output ends of the coiled pipes (10) are communicated with the interior of the water-cooling heat radiating bin (7), one side pipe body between the output ends and the output ends of the coiled pipes (10) extends into the air-cooling heat radiating bin (6), an air guide pipeline (4) is fixedly arranged at the top of the cabin cover (2), and the output end of the air guide pipeline (4) extends into the air-cooling heat radiating bin (6, one side of the cabin cover (2) far away from the fan blades is provided with a ventilation grating (3), and the output end of the air-cooling heat dissipation bin (6) is communicated with the ventilation grating (3) through a pipeline.

2. The heat dissipation device for the wind generating set and the wind generating set according to claim 1, wherein the serpentine tube (10) is a copper tube structure.

3. The heat dissipation device for the wind generating set and the wind generating set according to claim 1, wherein the outer circumference of the heat dissipation box body (5) is detachably connected with the inner wall of the cavity of the nacelle cover (2) through bolts.

4. The heat dissipation device for the wind generating set and the wind generating set according to claim 1, wherein the number of the air guide pipelines (4) is two, and the output ends of the two air guide pipelines (4) are arranged opposite to the fan blades.

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