CN114562424A - A fan tower - Google Patents

Abstract

The invention discloses a fan tower, which adopts an upper, middle and lower three-layer structure for layout. From bottom to top, there are a first chamber body, a second chamber body and a third chamber body. The transformer system and the converter system adopt air cooling. Heat dissipation in the form of water cooling. Reduce the weight of equipment in the engine room to reduce the risk of frame deformation, rationally use the bottom space of the tower, and arrange the electrical system in a relatively closed space at the bottom of the tower in a reasonable integrated and layered manner, thereby extending the electrical system. longer service life and lower maintenance costs for electrical systems.

Description

A fan tower

technical field

The invention relates to the technical field of fan towers, in particular to a fan tower.

Background technique

In large megawatt wind turbines, how to arrange the electrical system, rationally use the bottom tower space, reduce the weight of the equipment in the nacelle and reduce the risk of deformation of the nacelle frame, and the portable maintenance of electrical systems have become the structural design of large megawatt wind turbines. key point.

At present, the fan tower has the following problems: the weight of the cabin equipment is heavy and easy to deform, the utilization rate of the tower space is low, the device integration is low, and the maintenance cost is high.

For example, "a fan tower and fan tower" disclosed in Chinese patent documents, its announcement number: CN110454332A, its application date: August 26, 2019, the provided fan tower assembly process is convenient and fast, The sudden change in stiffness after being assembled into a fan tower can be avoided, but there are problems of low space utilization and high maintenance costs.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention proposes a fan tower, which reduces the weight of the equipment in the engine room so as to reduce the risk of frame deformation, rationally utilizes the bottom space of the tower, and adopts a reasonable integrated and layered electrical system for the electrical system. It is arranged in the relatively closed space of the bottom tower, thereby prolonging the service life of the electrical system and reducing the maintenance cost of the electrical system.

The following is the technical solution of the present invention, a fan tower includes a fan tower, a platform supporting the tower, a moment platform and three device layers located in the fan tower, and the platform supporting the tower is located in the fan tower At the outer bottom end of the cylinder, the moment platform is located at the top of the fan tower cylinder, and the three chamber bodies from bottom to top are: a first chamber body, a second chamber body and a third chamber body. It effectively avoids the influence of humidity, salt spray corrosion, lightning strike and other external bad factors, prolongs the service life of electrical equipment, and improves the space utilization rate by layered layout.

Preferably, the first chamber body includes a main transformer, a cooling fan of the main transformer, a cooling fan of the converter and a platform carrying the transformer, the main transformer is arranged on the upper end of the platform carrying the transformer, and the main transformer is The cooling fan and the cooling fan of the converter are arranged on the outer wall platform of the fan tower. The integrated layout improves space utilization, reduces the weight of cabin equipment and reduces the risk of rack deformation.

Preferably, the second chamber body includes a ring main unit, a water cooling cabinet for the main transformer, a water cooling cabinet for the converter, and a platform for carrying the ring main unit, and the ring main unit and the water cooling cabinet for the main transformer are located in the The upper end of the platform carrying the ring main unit, and the water cooling cabinet of the converter is arranged on the inner wall of the fan tower. The integrated layout improves space utilization, reduces the weight of cabin equipment and reduces the risk of rack deformation.

Preferably, the third chamber body includes a converter cabinet, an auxiliary transformer and a platform carrying the converter cabinet, the auxiliary transformer is arranged on the upper end of the platform carrying the converter cabinet, and the converter cabinet is arranged on the fan The inner walls of the tower. The integrated layout improves space utilization, reduces the weight of cabin equipment and reduces the risk of rack deformation.

Preferably, the air cooler of the main transformer, the water pipe of the main transformer and the water cooling cabinet of the main transformer form a transformer system, the first water pipe of the transformer system is connected to the air cooler of the main transformer and the main transformer, and the second water pipe of the transformer system is connected to the air cooler of the main transformer and the main transformer. The water pipe connects the air cooler of the main transformer and the water cooling cabinet of the main transformer, the third water pipe of the transformer system connects the main transformer and the water cooling cabinet of the main transformer, the water pipe of the converter, the The water-cooling cabinet and the cooling fan of the converter form a converter system, and the first water pipe of the converter system and the second water pipe of the converter system are respectively connected to the converter cabinet and the water-cooling cabinet of the converter. The third water pipe of the converter system and the fourth water pipe of the converter system are respectively connected to the water cooling cabinet of the converter and the cooling fan of the converter. Improve heat dissipation efficiency and prolong service life.

Preferably, a wall ladder is provided on the inner wall of the fan tower, and the wall ladder is located below the window. The fixed wall ladder is adopted to improve the stability and safety of the device.

Preferably, the transformer system adopts air cooling and water cooling to dissipate heat. Air-cooled and water-cooled at the same time to improve heat dissipation efficiency.

Preferably, the converter system adopts air cooling and water cooling to dissipate heat. Air-cooled and water-cooled at the same time to improve heat dissipation efficiency.

Preferably, the platform carrying the ring main unit, the platform carrying the converter cabinet and the moment platform are provided with windows as passages for the upper and lower floors. Reduce maintenance costs.

Preferably, the fan tower is cylindrical or circular. Improve device stability.

The beneficial effects of the invention are: reducing the weight of the equipment in the engine room, thereby reducing the risk of frame deformation, rationally utilizing the bottom space of the tower, and arranging the electrical system in a reasonable integrated and layered manner in the bottom section of the tower in a relatively airtight manner space, thereby extending the service life of the electrical system and reducing the maintenance cost of the electrical system.

Description of drawings

Figure 1 is a schematic structural diagram of a fan tower provided by the present invention.

FIG. 2 is a schematic structural diagram of a fan tower transformer system provided by the present invention.

FIG. 3 is a schematic structural diagram of a fan tower converter system provided by the present invention.

1. Fan tower; 2. Platform supporting tower; 3. Platform carrying transformer; 4. Main transformer; 51. Air cooler of main transformer; 52. Water pipe of main transformer; 53. Water cooling cabinet of main transformer ;6. The platform that carries the ring main unit; 7. The ring main unit; 8. The platform that carries the converter; 9. The auxiliary transformer; 10. The torque platform; 11. The converter; 121. The water pipe of the converter; 122 . Water cooling cabinet of the converter; 123. Cooler of the converter; 521. The first water pipe of the transformer system; 522. The second water pipe of the transformer system; 523. The third water pipe of the transformer system; 1211. The converter system 1212. The second water pipe of the converter system; 1213. The third water pipe of the converter system; 1214. The fourth water pipe of the converter system; 13. The wall ladder.

Detailed ways

The technical solutions of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings. Furthermore, in order to better illustrate the present invention, numerous specific details are set forth below. It will be understood by those skilled in the art that the present invention may be practiced without certain specific details. In some instances, methods and means well known to those skilled in the art are not described in detail, so as to highlight the gist of the present invention.

Embodiment: As shown in Figures 1 to 3, a fan tower includes a fan tower 1, which is installed in the first chamber of the first layer in the fan tower 1, and is installed in the second layer in the fan tower 1. The second chamber body is installed on the third chamber body on the third floor in the fan tower 1, and is installed on the moment platform 10 at the top of the fan tower 1.

The electrical system of the tower is arranged in the upper, middle and lower three-layer structure in the tower, from bottom to top are the first chamber body, the second chamber body and the third chamber body. The platform 2 supporting the tower is set at the outer bottom end of the fan tower 1 . The first chamber body includes the main transformer 4, the cooling fan 51 of the main transformer, the cooling fan 123 of the converter, and the platform 3 carrying the transformer. The main transformer 4 is arranged on the upper end of the platform 3 carrying the transformer. The cooling fan 123 of the flow unit is installed on the outer wall platform of the fan tower 1 . The fan tower 1 is in the form of a cylinder or a round table.

The second chamber body includes the ring network cabinet 7, the water cooling cabinet 53 of the main transformer, the water cooling cabinet 122 of the converter, and the platform 6 carrying the ring network cabinet. The network cabinet 7 and the water cooling cabinet 53 of the main transformer are arranged on the upper end of the platform 6 carrying the ring network cabinet, and the water cooling cabinet 122 of the converter is arranged on the inner wall of the fan tower 1 . The inner wall of the fan tower 1 is provided with a wall ladder 13, the wall ladder 13 is located below the window, the wall ladder 13 is U-shaped steel and is provided with a non-slip pad.

The third chamber body includes a converter cabinet 11, an auxiliary transformer 9 and a platform 8 carrying the converter cabinet. The platform 8 carrying the converter cabinet has a window as a channel for the upper and lower floors, and the auxiliary transformer 9 is installed on the platform 8 carrying the converter cabinet. At the upper end, the converter cabinet 11 is arranged on the inner wall of the fan tower 1 .

The air cooler 51 of the main transformer, the water pipe 52 of the main transformer and the water cooling cabinet 53 of the main transformer form the transformer system; the water pipe 121 of the converter, the water cooling cabinet 122 of the converter and the air cooler 123 of the converter form the converter system .

As shown in FIG. 2 , the first water pipe 521 of the transformer system is connected to the air cooler 51 of the main transformer and the main transformer 4 , the second water pipe 522 of the transformer system is connected to the air cooler 51 of the main transformer and the water cooling cabinet 53 of the main transformer. The third water pipe 523 connects the main transformer 4 and the water cooling cabinet 53 of the main transformer.

As shown in FIG. 3 , the first water pipe 1211 of the converter system and the second water pipe 1212 of the converter system are respectively connected to the converter cabinet 11 and the water cooling cabinet 122 of the converter, and the third water pipe 1213 of the converter system and The fourth water pipe 1214 of the converter system is respectively connected to the water cooling cabinet 122 of the converter and the cooling fan 123 of the converter.

The windows of the ring main unit support platform 6 , the converter cabinet support platform 8 and the moment platform 10 are rectangular, and the edges are anti-skid. The transformer system and the converter system adopt the form of air cooling and water cooling to dissipate heat.

The above content is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Covered within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a fan tower section of thick bamboo, its characterized in that, three room body in the platform, the moment platform and the fan tower section of thick bamboo that include fan tower section of thick bamboo, support tower section of thick bamboo, fan tower section of thick bamboo outside bottom is located to the platform that supports tower section of thick bamboo, the moment platform is located fan tower section of thick bamboo top, three room body from the bottom up do respectively: a first chamber, a second chamber, and a third chamber.

2. The fan tower of claim 1, wherein the first chamber comprises a main transformer, a main transformer air cooler, a converter air cooler, and a transformer-carrying platform, the main transformer is disposed on the transformer-carrying platform, and the main transformer air cooler and the converter air cooler are disposed on the platform outside the fan tower.

3. The wind turbine tower of claim 1, wherein the third chamber comprises a converter cabinet, an auxiliary transformer and a platform for carrying the converter cabinet, the auxiliary transformer is disposed at the upper end of the platform for carrying the converter cabinet, and the converter cabinet is disposed on the inner wall of the wind turbine tower.

4. The wind turbine tower of claim 1, wherein the second chamber body comprises a ring main unit, a water cooling unit of a main transformer, a water cooling unit of a converter and a platform for bearing the ring main unit, the ring main unit and the water cooling unit of the main transformer are disposed at the upper end of the platform for bearing the ring main unit, and the water cooling unit of the converter is disposed on the inner wall of the wind turbine tower.

5. The fan tower according to claim 4, wherein the air cooler of the main transformer, the water pipe of the main transformer and the water-cooled cabinet of the main transformer constitute a transformer system, a first water pipe of the transformer system connects the air cooler of the main transformer and the main transformer, a second water pipe of the transformer system connects the air cooler of the main transformer and the water-cooled cabinet of the main transformer, a third water pipe of the transformer system connects the main transformer and the water-cooled cabinet of the main transformer, the air cooler of the converter, the water cooling cabinet of the converter and the water pipe of the converter form a converter system, a first water pipe of the converter system and a second water pipe of the converter system are respectively connected with the converter cabinet and the water cooling cabinet of the converter, and a third water pipe of the converter system and a fourth water pipe of the converter system are respectively connected with the water cooling cabinet of the converter and the air cooler of the converter.

6. The wind turbine tower of claim 5, wherein the transformer system is air-cooled or water-cooled.

7. The wind turbine tower of claim 3, wherein the platform bearing the ring main unit, the platform bearing the converter cabinet and the torque platform are provided with windows.

8. The wind turbine tower of claim 5, wherein the converter system is air cooled and water cooled.

9. The wind turbine tower of claim 1, wherein the wind turbine tower is in the shape of a circular truncated cone or a cylinder.

10. The wind turbine tower of claim 6, wherein the wall inside the wind turbine tower is provided with wall ladders, and the wall ladders are located below the window.

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