Heat dissipation device for platform at bottom of wind power tower drum

Abstract

The utility model relates to the field of wind power towers, in particular to a heat dissipation device for a bottom platform of a wind power tower. The wind power tower bottom platform heat dissipation device comprises a draught fan and further comprises a flow guide pipe, the flow guide pipe is fixed to the air inlet end of the draught fan, a mounting pipe is arranged at the other end of the flow guide pipe, and a filter screen is fixed in the mounting pipe; the folding rubber pipe is fixed between the flow guide pipe and the mounting pipe; and the vibration generating piece is fixed on the mounting pipe. According to the wind power tower bottom platform heat dissipation device, the folding rubber pipe is a middle pipeline connecting the flow guide pipe and the installation pipe and can be telescopically deformed, so that the installation pipe has the up-down displacement floating amount, meanwhile, in the process that airflow flows through the interior of the installation pipe, the vibration generating piece is driven by the airflow to move, and the vibration generating piece is driven by the airflow to vibrate. And the mounting pipe generates continuous vibration, a certain self-cleaning effect on the filter screen in the mounting pipe is achieved, and the cleaning frequency of the filter screen can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind power tower, especially to a wind power tower cylinder bottom platform heat abstractor. BACKGROUND

[0002] The wind power tower is a key component of the wind power generation system, mainly used for supporting the wind turbine generator and lifting it to a proper height so as to capture more wind energy and convert it into electric energy.

[0003] Many electrical components, such as tower base control cabinet, converter and transformer, are arranged inside the tower cylinder, so a heat abstractor is generally installed inside the tower cylinder. For this purpose, air cooling is a common heat dissipation method, that is, a fan is installed at the air inlet and air outlet of the tower cylinder to achieve forced ventilation and heat dissipation of the tower cylinder. When cold air is introduced into the cylinder by the fan, it often contains some dirt. For this purpose, a filter screen is installed at the air inlet of the fan to filter the dirt. However, the filter screen may be clogged after a long time of use, and manual cleaning is mainly used for cleaning, which requires frequent cleaning.

[0004] Therefore, it is necessary to provide a new wind power tower cylinder bottom platform heat abstractor to solve the above technical problems. SUMMARY

[0005] To solve the above technical problems, the utility model provides a wind power tower cylinder bottom platform heat abstractor.

[0006] The wind power tower cylinder bottom platform heat abstractor provided by the utility model comprises a fan and further comprises:

[0007] A flow guide pipe is fixed to the air inlet end of the fan, and the other end of the flow guide pipe is provided with a mounting pipe, and a filter screen is fixed inside the mounting pipe.

[0008] A folding rubber pipe is fixed between the flow guide pipe and the mounting pipe.

[0009] A vibration generating part is fixed to the mounting pipe.

[0010] Preferably, the flow guide pipe is a bent pipe, the air outlet end is fixed to the fan, and the air inlet end is vertically downward.

[0011] Preferably, the folding rubber pipe is vertically arranged, mounting rings are fixed at both ends of the folding rubber pipe, and the folding rubber pipe is fixed to the flow guide pipe and the mounting pipe through the mounting rings, and a spring is embedded in the folding rubber pipe.

[0012] Preferably, the surface of the filter screen is arc-shaped and protruding.

[0013] Preferably, the vibration generator comprises an outer ring frame fixed on the mounting pipe, two positioning frames are fixed symmetrically on the outer ring frame, a rotating shaft is rotatably connected between the two positioning frames, and the rotating shaft penetrates the mounting pipe radially;

[0014] An eccentric weight outside the mounting pipe is fixed on the rotating shaft, and a sleeve ring inside the mounting pipe is also fixed on the rotating shaft, a plurality of equidistantly distributed connecting rods are fixed on the circumferential outer wall of the sleeve ring, and a hemispherical shell is fixed on the other end of the connecting rods.

[0015] Preferably, the rotating shaft and the positioning frame are connected by bearings, and the rotating shaft does not contact the mounting pipe.

[0016] Compared with the related art, the wind power tower bottom platform heat dissipation device has the following beneficial effects:

[0017] In the wind power tower bottom platform heat dissipation device, the folding rubber pipe is an intermediate pipe connecting the flow guide pipe and the mounting pipe, and can be stretched and deformed, so that the mounting pipe has an up-down displacement floating amount, and in the process of airflow flowing in the mounting pipe, the airflow drives the vibration generator to move, so that the mounting pipe generates continuous vibration, and the filter screen inside the mounting pipe has a certain self-cleaning effect, and the cleaning frequency of the filter screen can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of a preferred embodiment of the wind power tower bottom platform heat dissipation device is shown.

[0019] Figure 2 The structure diagram of the fan and the flow guide pipe cooperatively connected is shown.

[0020] Figure 3 The structure diagram of the folding rubber pipe is shown.

[0021] Figure 4 The structure diagram of the filter screen is shown.

[0022] Figure 5 The structure diagram of the vibration generator is shown.

[0023] Reference signs in the drawings: 1, fan; 2, flow guide pipe; 3, folding rubber pipe; 31, mounting ring; 32, spring; 4, mounting pipe; 5, filter screen; 6, vibration generator; 61, outer ring frame; 62, positioning frame; 63, rotating shaft; 64, eccentric weight; 65, sleeve ring; 66, connecting rod; 67, shell. DETAILED DESCRIPTION

[0024] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element with a particular orientation, constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.

[0026] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0028] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0029] Please refer to Figures 1 to 5 The utility model embodiment provides a kind of wind power tower drum bottom platform heat sink, wind power tower drum bottom platform heat sink includes fan 1, still include:

[0030] Flow guide pipe 2, flow guide pipe 2 is fixed in the air inlet end of fan 1, flow guide pipe 2 other end vertically downward, and is provided with mounting pipe 4, mounting pipe 4 is fixed with filter screen 5 inside, filter screen 5 surface presents arc-shaped convexity;

[0031] Folding rubber tube 3, folding rubber tube 3 is fixed between flow guide pipe 2 and mounting pipe 4;

[0032] Vibration generating part 6, vibration generating part 6 is fixed on mounting pipe 4.

[0033] It should be noted that: in the device, the fan 1 is used as the main flow guide structure, the flow guide pipe 2, the folded rubber pipe 3 and the mounting pipe 4 form a pipeline structure for air inlet, the filter screen 5 is fixed in the mounting pipe 4, so that the filter screen 5 can filter impurities;

[0034] The folded rubber pipe 3 is vertically arranged and can be elastically deformed, so that the mounting pipe 4 has a certain vertical displacement floating amount, and the vibration generating part 6 is arranged in the mounting pipe 4; in the process of rapid flow of the gas in the pipeline, the airflow acts on the vibration generating part 6, and the vibration generating part 6 converts the acting force to realize its movement; in the movement process, the mounting pipe 4 can generate reciprocating vibration, so that the dirt adhered to the filter screen 5 is shaken off through the vibration, and the filter screen 5 has a certain self-cleaning effect; therefore, the time required from manual cleaning to complete blockage of the filter screen 5 is longer, and the cleaning frequency of the filter screen 5 can be reduced.

[0035] The mounting pipe 4 is vertically arranged, which is beneficial to subsequent manual cleaning of the filter screen 5, and the surface of the mounting pipe 4 is in the form of a circular arc protrusion, which is more convenient for vibration cleaning and manual cleaning.

[0036] In the embodiment of the utility model, please refer to Figure 3 The folded rubber pipe 3 is vertically arranged, mounting rings 31 are fixed at both ends of the folded rubber pipe 3, and the mounting rings 31 are fixed with the flow guide pipe 2 and the mounting pipe 4, and springs 32 are embedded in the folded rubber pipe 3.

[0037] It should be noted that: the folded rubber pipe 3 is made of rubber material, so it has good deformation ability, but its rigidity is insufficient; therefore, the springs 32 are arranged in the folded rubber pipe 3 to further improve the compression resistance of the folded rubber pipe 3 without affecting the deformation of the folded rubber pipe 3.

[0038] In the embodiment of the utility model, please refer to Figure 5 The vibration generating part 6 comprises an outer ring frame 61, the outer ring frame 61 is fixed on the mounting pipe 4, two positioning frames 62 are fixed on the outer ring frame 61 in a symmetrical manner, a rotating shaft 63 is connected between the two positioning frames 62 through a bearing, the rotating shaft 63 penetrates the mounting pipe 4 in the radial direction and does not contact the mounting pipe 4.

[0039] The eccentric weight 64 is fixed on the rotating shaft 63 outside the mounting pipe 4, and the sleeve ring 65 is also fixed on the rotating shaft 63 inside the mounting pipe 4; a plurality of equidistantly distributed connecting rods 66 are fixed on the circumferential outer wall of the sleeve ring 65, and the other end of each connecting rod 66 is fixed with a hemispherical shell 67.

[0040] It should be noted that: in the vibration generating part 6, the shell 67 is located inside the mounting pipe 4, which is hemispherical, so when the airflow impacts on it, the pressure difference between the inner concave surface and the outer convex surface can drive the rotating shaft 63 to rotate, and the rotating shaft 63 can drive the eccentric weight 64 to rotate during rotation, thereby generating centrifugal force, and the vibration of the mounting pipe 4 is realized through the centrifugal force.

[0041] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0042] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A wind power tower bottom platform heat dissipation device, comprising a fan (1), characterized in that, Also include: The flow guide pipe (2) is fixed to the air inlet end of the fan (1), the other end of the flow guide pipe (2) is provided with a mounting pipe (4), the mounting pipe (4) is fixed with a filter screen (5) inside; The folding rubber pipe (3) is fixed between the flow guide pipe (2) and the mounting pipe (4); The vibration generating part (6) is fixed on the mounting pipe (4).

2. The windmill tower section platform heat dissipating device according to claim 1, wherein, The flow guide pipe (2) is a bend pipe, the air outlet end is fixed on the fan (1), and the air inlet end is vertically downward.

3. The windmill tower section platform heat dissipating device according to claim 1, wherein, The folding rubber pipe (3) is vertically arranged, mounting rings (31) are fixed at both ends of the folding rubber pipe (3), and the folding rubber pipe (3) is fixed with the flow guide pipe (2) and the mounting pipe (4) through the mounting rings (31), and springs (32) are embedded in the folding rubber pipe (3).

4. The windmill tower section platform heat dissipating device according to claim 1, wherein, The surface of the filter screen (5) is arc convex.

5. The windmill tower section platform heat dissipating device according to claim 1, wherein, The vibration generating part (6) includes an outer ring frame (61), the outer ring frame (61) is fixed on the mounting pipe (4), two positioning frames (62) are symmetrically fixed on the outer ring frame (61), a rotating shaft (63) is rotatably connected between the two positioning frames (62), and the rotating shaft (63) penetrates the mounting pipe (4) in the radial direction; An eccentric weight block (64) is fixed on the rotating shaft (63) and located outside the mounting pipe (4), a sleeve ring (65) is also fixed on the rotating shaft (63) and located inside the mounting pipe (4), a plurality of equidistantly distributed connecting rods (66) are fixed on the circumferential outer wall of the sleeve ring (65), and a hemispherical shell cover (67) is fixed at the other end of the connecting rod (66).

6. The windmill tower section platform heat dissipating device according to claim 5, characterized in that, The rotating shaft (63) and the positioning frame (62) are connected by a bearing, and the rotating shaft (63) does not contact the mounting pipe (4).

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