CN219605479U - Natural air cooling radiator structure of wind generating set - Google Patents

Abstract

The utility model discloses a natural air cooling radiator structure of a wind generating set, which comprises a mounting bracket, a pipe fin type radiating plate and pipelines, wherein the mounting bracket is mounted at the top of a cabin of the wind generating set and comprises a base, a radiating plate mounting frame and inclined pulling, the base is connected with the top of the cabin through bolts, the radiating plate mounting frame is vertically connected with the base to form an L-shaped structure, the inclined pulling is connected between the radiating plate mounting frame and the base, a plurality of pipe fin type radiating plates are uniformly paved on the radiating plate mounting frame, the windward side of the pipe fin type radiating plate is perpendicular to the central axis of the cabin, and the pipe fin type radiating plates are connected in a serial and parallel mixed mode through the pipelines. The utility model has the advantages of simple structure, light specific gravity, high ventilation capacity, small wind resistance, difficult blockage, easy maintenance, low cost, better economy and the like, and can meet the typhoon resistance requirement.

Description

Natural air cooling radiator structure of wind generating set

Technical Field

The utility model relates to the technical field of wind generating set radiators, in particular to a natural wind cooling radiator structure of a wind generating set.

Background

The natural air cooling radiator of the wind generating set at present is mainly a plate-fin radiator which is directly arranged at the top of a cabin of the wind generating set, and utilizes natural wind flow after pushing an impeller to take away heat generated in the power generation process of heating components such as a gear box, a generator and the like through a heat dissipation channel. In order to ensure the heat dissipation effect, the direction of the air inlet of the radiator is consistent with the wind direction, and a larger windward area is required to ensure the ventilation flow. Meanwhile, as the heat dissipation capacity brought by the high-power wind generating set is improved, the windward area of the radiator needs to be further increased to improve the heat dissipation power. However, the plate-fin radiator has high specific gravity, high price and poor economy, the larger windward area and the complex internal structure lead to the increase of the overall weight of the radiator on the one hand, and the increased weight and structural stress of the radiator bring great challenges to the structural strength, transportation and installation of the wind driven generator. And because the radiator is arranged at the back of the impeller and is blocked by the impeller system, the wind speed is relatively low, so that the efficiency of the radiator is reduced, and the heat dissipation capacity is influenced. On the other hand, the inside air flow passage of the plate-fin radiator is fine, the air resistance is relatively high, the ventilation capacity is poor, the air resistance is stronger, the radiating fins have a two-dimensional closed structure, dirt such as dust, catkin and crop residues is accumulated on the plate, the ventilation efficiency is affected, the heat dissipation capacity is reduced, and the radiating fins are difficult to clean and easy to block.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a natural air-cooling radiator structure of a wind generating set, which has the advantages of simple structure, light specific gravity, high ventilation capacity, small wind resistance, difficult blockage, easy maintenance, low cost, good economy and the like, and can meet the typhoon resistance requirement.

The aim of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a wind generating set natural wind cooling radiator structure, includes installing support, pipe wing formula heating panel and pipeline, the installing support is installed in wind generating set's cabin top, and it includes base, heating panel mounting bracket and draws to one side, the base passes through the bolt and is connected with the cabin top, the L shape structure is constituteed with the perpendicular connection of base to the heating panel mounting bracket, draw to one side and connect between heating panel mounting bracket and base, pipe wing formula heating panel has a plurality ofly, evenly tiling on the heating panel mounting bracket, its windward side is perpendicular to the axis in cabin, adopts the mode of series connection and parallel hybrid to connect through the pipeline between a plurality of pipe wing formula heating panels.

Further, the upper part of the cooling plate mounting frame is provided with a maintenance layer above the inclined pull.

Further, be equipped with the maintenance ladder that the personnel of being convenient for enter into the maintenance layer from the bottom on the heating panel mounting bracket and be located the below of maintenance layer.

Further, the tube-fin type heat dissipation plate is formed by connecting a bent tube and a straight fin in a hot sleeve, expansion joint, tension winding or brazing mode.

Further, the bent pipe is a copper pipe or a stainless steel pipe.

Further, the straight fins are stamped aluminum fins.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the natural air-cooled radiator structure adopts the tube-fin type radiating plate which is fixed on the engine room through the mounting bracket, the performance is reliable, the proportion of the tube-fin type radiating plate is small, the total weight of the radiator can be reduced, the vibration resistance and the swinging capability are stronger, and the typhoon resistance requirement is met. The single fin type heat dissipation plate is light in weight, and when the single fin type heat dissipation plate needs to be maintained, workers can independently dismantle and replace the heat dissipation plate, so that the maintenance is convenient.

2. According to the utility model, the plurality of tube fin type radiating plates are uniformly paved on the radiating plate mounting frame, so that the heat transfer area is increased, the turbulence degree of gas is enhanced, the thermal resistance of the gas is reduced, and the heat transfer coefficient of the gas is improved. Meanwhile, the straight fins can cause turbulent flow on the heat transfer surface, the turbulent flow can destroy the static boundary layer, dirt is difficult to adhere, even if dirt adheres, the dirt can also be distributed in a scale shape, and the dirt coefficient is reduced.

3. The natural air-cooled radiator structure provided by the utility model adopts the tube-fin type radiating plate, so that the cost is low, the economy is better, the fin surface structure of the tube-fin type radiating plate is simple, the fin is not easy to block, the average ventilation rate is high, the wind pressure load is reduced under various wind speeds, the stress of the mounting bracket structure is small, and the wind resistance is stronger under typhoon working conditions.

Drawings

Fig. 1 is a schematic structural diagram of a natural air-cooled radiator according to the present utility model.

Fig. 2 is a schematic installation diagram of the natural air-cooled radiator of the present utility model.

Fig. 3 is a schematic structural view of a tube fin type heat dissipating plate according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

As shown in fig. 1 to 3, the present embodiment provides a natural wind cooling radiator structure of a wind generating set, which includes a mounting bracket 1, a tube fin type heat dissipation plate 2 and a pipeline (not shown in the drawings); the mounting bracket 1 is arranged at the top of a cabin 3 of the wind generating set and is made of high-strength structural steel, and provides support for the tube fin type heat radiation plate 2, and the mounting bracket comprises a base 101, a heat radiation plate mounting frame 102 and inclined pull 103, wherein the base 101 is connected with the top of the cabin 3 through bolts, the heat radiation plate mounting frame 102 is vertically connected with the base 101 to form an L-shaped structure, the inclined pull 103 is connected between the heat radiation plate mounting frame 102 and the base 101, the heat radiation plate mounting frame 102 and the inclined pull 103 are connected by adopting fasteners on the premise of meeting the strength requirement, so that the heat radiation plate mounting frame 102 and the inclined pull 103 can be detached for transportation, the base 101 bears the dead weight of the whole heat radiator, and the heat radiation plate mounting frame 102 and the inclined pull 103 bear wind resistance borne by the whole heat radiator, so that the heat radiator is ensured to be stable in typhoon; the pipe fin formula heating panel 2 has a plurality ofly, evenly tiling on heating panel mounting bracket 102, and adopt the fastener to connect between pipe fin formula heating panel 2 and the heating panel mounting bracket 102, support unilateral dismouting, the windward side of pipe fin formula heating panel 2 is perpendicular to the axis of cabin 3, this kind of mounting means can make windward side projection area the biggest for the direction of incoming wind, absorb the heat that heating element such as gear box, generator produced in the power generation process through the coolant liquid in the pipe fin formula heating panel 2, then use natural wind cooling pipe fin formula heating panel 2, adopt the mode of series connection and parallel connection to be connected between a plurality of pipe fin formula heating panels 2, reduce radiator pressure loss when improving its radiating efficiency, reduce hydraulic performance demand.

Specifically, the upper portion of heating panel mounting bracket 102 and be located to one side the top of 103 and be equipped with maintenance layer 4, be equipped with on the heating panel mounting bracket 102 and be located the below of maintenance layer 4 and be convenient for personnel enter into maintenance ladder 5 of maintenance layer 4 from the bottom, through maintenance layer 4 and maintenance ladder 5, can make the staff contact all fasteners and heating panel surface to reserve and have sufficient space to carry out maintenance operation. Because the weight of the single tube-fin heat dissipation plate is lighter, when the single tube-fin heat dissipation plate needs to be maintained, workers can independently dismantle and replace the single tube-fin heat dissipation plate, and the maintenance is convenient.

Specifically, the fin-tube heat dissipation plate 2 is formed by connecting a bent tube 201 and a straight fin 202 by means of hot sheathing, expansion joint, tension winding or brazing. The bent pipe is a copper pipe or a stainless steel pipe, is formed by drawing and bending a special base material, is used for heat transfer by contacting with cooling liquid, and provides partial strength support of the cooling plate. The straight fin is a stamped aluminum fin, is made of aluminum through cold rolling, coating, longitudinal shearing, foil rolling and stamping and is used for increasing the gas side heat transfer area, the straight fin has no two-dimensional sealing structure, sundries are not easy to intercept, dust is settled, meanwhile, the straight fin is convenient to maintain and clean, and on-site maintenance personnel can maintain the radiator by carrying a small number of tools.

Compared with the existing plate-fin type natural air-cooled radiator, the natural air-cooled radiator structure has the advantages of simple structure, light specific gravity, high ventilation capacity, small wind resistance, difficult blockage, easy maintenance, low cost and better economy under the condition of ensuring the same radiating efficiency, meets the typhoon resistance requirement, and can compensate the problems brought by the plate-fin type natural air-cooled radiator.

The above description is only of the preferred embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive conception of the present utility model equally within the scope of the disclosure of the present utility model.

Claims (6)

1. A natural wind cooling radiator structure of a wind generating set is characterized in that: including installing support, pipe wing formula heating panel and pipeline, the installing support is installed in wind generating set's cabin top, and it includes base, heating panel mounting bracket and draws to one side, the base passes through the bolt and is connected with the cabin top, the heating panel mounting bracket is connected perpendicularly with the base and is constituteed L shape structure, draw to one side and connect between heating panel mounting bracket and base, pipe wing formula heating panel has a plurality ofly, evenly tiling on the heating panel mounting bracket, its windward side perpendicular to the axis in cabin, adopts the mode of series connection and parallel hybrid to be connected through the pipeline between a plurality of pipe wing formula heating panels.

2. The natural wind cooling radiator structure of a wind generating set according to claim 1, wherein: and a maintenance layer is arranged on the upper part of the cooling plate mounting frame and above the inclined pull.

3. The natural wind cooling radiator structure of a wind generating set according to claim 2, wherein: the maintenance ladder which is convenient for personnel to enter the maintenance layer from the bottom is arranged on the cooling plate mounting frame and below the maintenance layer.

4. The natural wind cooling radiator structure of a wind generating set according to claim 1, wherein: the tube-fin type heat dissipation plate is formed by connecting a bent tube and a straight fin in a thermal sleeve, expansion joint, tension winding or brazing mode.

5. The natural wind cooling radiator structure of a wind generating set according to claim 4, wherein: the bent pipe is a copper pipe or a stainless steel pipe.

6. The natural wind cooling radiator structure of a wind generating set according to claim 4, wherein: the straight fins are punched aluminum fins.