CN213511037U

CN213511037U - Ventilation cooling tower cylinder structure of wind turbine generator system

Info

Publication number: CN213511037U
Application number: CN202021778572.XU
Authority: CN
Inventors: 董红云; 陈少敏
Original assignee: CRRC Zhuzhou Institute Co Ltd
Current assignee: CRRC Zhuzhou Institute Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-06-22
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a wind turbine generator system ventilation cooling tower cylinder structure, including a tower cylinder body, the cabin of setting on the tower cylinder body and setting up a plurality of layers of tower cylinder platforms in the tower cylinder body, tower cylinder body lateral wall is equipped with tower door and tower cylinder lower door shrouding, be equipped with the tripe on the tower door, lower door shrouding is equipped with air intake fan, all is equipped with the trompil on a plurality of layers of tower cylinder platform, the trompil is located converter air outlet perpendicular top, at least the trompil on the first layer of tower cylinder platform is equipped with first exhaust fan, be equipped with second exhaust fan on the cabin; this scheme cools off tower section of thick bamboo interior equipment through the forced air and the nature air inlet that air intake fan and tripe formed respectively to make the air current rapidly discharge through the cabin fan of airing exhaust along the trompil on the tower section of thick bamboo platform through the chimney effect, realize the quick replacement of cold and hot air, increase the cooling efficiency to tower section of thick bamboo interior equipment.

Description

Ventilation cooling tower cylinder structure of wind turbine generator system

Technical Field

The utility model relates to a wind turbine generator system technical field especially relates to a wind turbine generator system ventilation cooling tower section of thick bamboo structure.

Background

Wind turbines are generally provided with a tower footing platform for mounting electrical components at the lower part of a tower. With the increase of rated power of a fan, a large amount of heat can be generated when electrical components (a converter, a frequency converter, a reactor and the like) in a tower barrel operate, particularly, the heat generated when the converter operates is more than dozens of kilowatts, at present, in order to enhance the heat dissipation of the electrical components, fans are generally installed on the electrical components to form air-cooling type electrical components, the air-cooling type electrical components are installed on a tower base layer platform in the tower barrel, but the space is relatively closed, high-temperature gas emitted by the air-cooling type electrical components during operation cannot be cooled and transferred in time, the local temperature of the space of the tower barrel where the electrical components are located is overhigh, and particularly, the normal operation of the electrical components can be influenced when the environmental temperature is high.

The air-cooled converter is placed in a tower cylinder, the tower cylinder is used as a sealing container, and if hot air emitted by the converter during operation is discharged into the tower cylinder and is not discharged out of the tower cylinder in time, the air temperature in the space of the tower cylinder rises, and the inlet air temperature of the converter rises to influence the normal operation of the converter. Especially, when the power of the converter is increased, the heat productivity is correspondingly increased, and the air quantity requirement of ventilation and heat dissipation of the converter cannot be met by simply utilizing the louver natural air inlet on the tower drum door.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a wind turbine generator system ventilation cooling tower section of thick bamboo structure, the forced air that utilizes air inlet fan and tripe to form respectively cools off a tower section of thick bamboo interior equipment with the natural air inlet to make the air current rapidly discharge through the cabin fan of airing exhaust along the trompil on the tower section of thick bamboo platform through the chimney effect, realize the quick replacement of cold and hot air, increase the cooling efficiency to a tower section of thick bamboo interior equipment, solved the not high problem of tower section of thick bamboo internal cooling and radiating efficiency.

The utility model discloses a solve the technical scheme that prior art problem adopted as follows:

a ventilating and cooling tower barrel structure of a wind turbine generator comprises a tower barrel body, a cabin arranged on the tower barrel body and a plurality of layers of tower barrel platforms arranged in the tower barrel body, wherein a tower barrel door and a tower barrel lower door sealing plate are arranged on the side wall of the tower barrel body, shutters are arranged on the tower barrel door, an air inlet fan is arranged on the lower door sealing plate, a plurality of layers of tower barrel platforms are provided with openings, the openings are positioned vertically above an air outlet of a converter, at least one opening on the first layer of tower barrel platform is provided with a first exhaust fan, and a second exhaust fan is arranged on the cabin; realize the natural air inlet through the form that sets up the tripe on the tower section of thick bamboo door, air intake fan's setting has increased the form of forced air inlet, utilize the mode that combines together of natural air inlet and forced air inlet, the intake in the tower section of thick bamboo has been increased, the cooling air flow that satisfies the normal during operation needs of converter that can be better, set up air exhaust fan or multilayer tower section of thick bamboo platform trompil department and set up air exhaust fan or every layer of tower section of thick bamboo platform trompil department and all set up air exhaust fan at first layer tower section of thick bamboo platform trompil department simultaneously, can be more rapid rise hot-air fast, and discharge through the cabin, establish the trompil in the perpendicular top of converter air outlet, can be more effectual hot-air.

Furthermore, the air inlet fan is fixed on the lower door sealing plate through a screw, and a damping gasket is arranged between the screw and the lower door sealing plate; the damping washer can effectively reduce the influence of the vibration of the air inlet fan on the rain shield.

Furthermore, the inlet of the air intake fan is provided with a screen or a protective net, and the screen or the protective net can effectively prevent large-particle dust or animals from entering the tower.

Further, the tripe is located tower cylinder body inboard and is equipped with the filter pulp, and the filter pulp sets up the filtering action that can be better, prevents in debris entering tower cylinder.

Further, the trompil all is equipped with and is equipped with grid plate or screen cloth, can effectively prevent that the object from weighing down and causing the safety problem.

Furthermore, the inlet of the air inlet fan is provided with a rain shield, so that rainwater can be effectively prevented from entering the tower barrel and the converter.

Specifically, the outer edge of the rain shield forms 30 degrees with the horizontal plane, and the arrangement of the angle can prevent rainwater from entering the tower barrel and does not influence the air inlet amount.

Further, the air inlet fan is an air inlet axial flow fan, and the first air exhaust fan and the second air exhaust fan are air exhaust axial flow fans.

The utility model discloses the theory of operation as follows: outside air enters the tower barrel body through the louvers and the air inlet fan, equipment in the tower barrel, such as a converter, is cooled, cooled hot air vertically rises under the action of a chimney effect and a first air exhaust fan on a first layer of tower barrel platform, flows into the cabin through openings in each layer of tower barrel platform, and is exhausted to the outside through a second air exhaust fan arranged on the cabin, and ventilation and cooling work inside the tower barrel is achieved.

The beneficial effects are as follows:

the utility model discloses the utilization realizes the natural air inlet through the form that sets up the tripe on the tower section of thick bamboo door, air intake fan's setting has increased the form of forced air inlet, utilize the mode that combines together of natural air inlet and forced air inlet, the intake in the tower section of thick bamboo has been increased, the cooling air flow that satisfies the normal during operation needs of converter that can be better, set up air exhaust fan or multilayer tower section of thick bamboo platform trompil department and set up air exhaust fan or every layer of tower section of thick bamboo platform trompil department and all set up air exhaust fan simultaneously in first layer tower section of thick bamboo platform trompil department, can be rapid rise hot-air fast, and discharge through the cabin, establish the perpendicular top at the converter air outlet with the trompil, can be more effective hot.

Drawings

FIG. 1 is a schematic view illustrating ventilation and cooling of a tower according to the present embodiment;

FIG. 2 is a schematic view of the rain shield of the present embodiment;

FIG. 3 is a schematic view of a first layer tower platform according to the present embodiment;

FIG. 4 is a schematic view of an opening of a tower platform according to the present embodiment.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1, this embodiment provides a wind turbine generator system ventilation cooling tower cylinder structure, including tower cylinder body 1, set up cabin 2 on tower cylinder body 1 and set up a plurality of layers of tower cylinder platform 3 in tower cylinder body 1, tower cylinder body 1 lateral wall is equipped with tower door 4 and a tower section of thick bamboo lower door shrouding 5, be equipped with tripe 6 on the tower door 4, lower door shrouding 5 is equipped with air intake fan 7, all be equipped with trompil 8 on a plurality of layers of tower cylinder platform 3, trompil 8 is located converter air outlet perpendicular top, trompil 8 on the first layer tower cylinder platform 3 is equipped with first exhaust fan 9, be equipped with second exhaust fan 10 on the cabin 2.

In this embodiment, the number of piles of tower section of thick bamboo platform 3 is along with the altitude mixture control of tower section of thick bamboo body 1, realize the natural air inlet through the form that sets up tripe 6 on tower section of thick bamboo door 4, air intake fan 7's setting has increased the form of forced air inlet, utilize the mode that combines together of natural air inlet and forced air inlet, the intake in the tower section of thick bamboo has been increased, the cooling air flow that satisfies the normal during operation needs of converter that can be better, set up first exhaust fan 9 in 3 trompils 8 departments of first layer tower section of thick bamboo platform simultaneously, can be more rapid rise hot-air fast, and discharge through cabin 2, establish trompil 8 in the perpendicular top of converter air outlet, can be more effective hot-air utilize the chimney effect to arrange on through.

Except that the first exhaust fan is arranged at the opening of the first layer of tower drum platform in the embodiment, the first exhaust fan can be additionally arranged on the multilayer platform, so that the exhaust efficiency is improved, and the flow of hot air and the circulation of cold and hot air are enhanced.

As shown in fig. 2, in this embodiment, in order to effectively reduce the influence of the vibration of the intake fan on the rain shield and effectively prevent large particles of dust or animals from entering the tower; the air inlet fan 7 is fixed on the lower door sealing plate 5 through a screw, and a damping washer 11 is arranged between the screw and the lower door sealing plate 5; a protective net 12 is arranged at the inlet of the air inlet fan 7;

as shown in fig. 3, in this embodiment, in order to effectively prevent rainwater from entering the tower and the converter, a rain shield 14 is disposed at an inlet of the air intake fan 7, and an outer edge 15 of the rain shield 14 forms 30 ° with the horizontal plane under the condition that rainwater is prevented from entering the tower and the air intake amount is not affected.

As shown in fig. 4, the openings 8 are all provided with the grid plates 13, so that the safety problem caused by falling of objects can be effectively prevented.

In this embodiment, the louver 6 is provided with filter cotton (not shown) on the inner side of the tower body 1, so that better filtering effect can be achieved, and sundries can be prevented from entering the tower.

In this embodiment, the air intake fan 7 is an air intake axial flow fan, and the first air exhaust fan 9 and the second air exhaust fan 10 are air exhaust axial flow fans.

The working process of the embodiment is as follows: outside air enters the tower barrel body 1 through the louver 6 and the air inlet fan 7 to cool the converter in the tower barrel, cooled hot air vertically rises under the action of a chimney effect and a first air exhaust fan 9 on the first layer of tower barrel platform 3, flows into the cabin 2 through the open holes 8 on each layer of tower barrel platform 3, and is exhausted to the outside through a second air exhaust fan 10 arranged on the cabin 2, so that the ventilation and cooling work inside the tower barrel is realized.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection of the claims of the present invention.

Claims

1. The utility model provides a wind turbine generator system ventilation cooling tower cylinder structure, its characterized in that is in including tower cylinder body (1), setting cabin (2) and setting on tower cylinder body (1) are in a plurality of layers of tower cylinder platform (3) in tower cylinder body (1), tower cylinder body (1) lateral wall is equipped with tower cylinder door (4) and tower cylinder lower door shrouding (5), be equipped with tripe (6) on tower cylinder door (4), lower door shrouding (5) are equipped with air intake fan (7), a plurality of layers all be equipped with trompil (8) on tower cylinder platform (3), trompil (8) are located converter air outlet perpendicular top, at least on first layer tower cylinder platform (3) trompil (8) are equipped with first exhaust fan (9), be equipped with second exhaust fan (10) on cabin (2).

2. The wind turbine generator ventilation cooling tower structure as claimed in claim 1, wherein the air intake fan (7) is fixed on the lower door sealing plate (5) through screws, and a damping washer (11) is arranged between the screws and the lower door sealing plate (5).

3. The wind turbine generator ventilation cooling tower structure as claimed in claim 1, wherein the inlet of the intake air fan (7) is provided with a screen or protective mesh (12).

4. The wind turbine generator ventilation cooling tower drum structure as claimed in claim 1, wherein the louver (6) is provided with filter cotton on the inner side of the tower drum body.

5. The wind turbine generator ventilation cooling tower construction according to claim 1, wherein the apertures (8) are provided with a grid or mesh (13).

6. The wind turbine generator ventilating and cooling tower structure as recited in claim 1, wherein a rain shield (14) is provided at the inlet of the intake air blower.

7. The wind turbine generator ventilation cooling tower construction as claimed in claim 6, wherein the outer edge of the rain shield (14) is 30 ° to the horizontal.

8. The wind turbine generator ventilation cooling tower structure as claimed in claim 1, wherein the air intake fan (7) is an axial air intake fan, and the first air exhaust fan (9) and the second air exhaust fan (10) are both axial air exhaust fans.