CN212672004U

CN212672004U - Engine room heat dissipation mechanism of wind generating set

Info

Publication number: CN212672004U
Application number: CN202021270681.0U
Authority: CN
Inventors: 刘志伟; 王振; 雷麒麟; 顾磊; 沈金星; 姜淼
Original assignee: Luneng New Energy Group Co ltd Xinjiang Branch
Current assignee: Luneng New Energy Group Co ltd Xinjiang Branch
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-09
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a cabin heat dissipation mechanism of a wind generating set, which comprises an upper fan unit positioned at the top of a cabin and a lower fan unit positioned inside a tower; the heat dissipation vent has been seted up to the cabin bottom, has seted up the heat dissipation air outlet in the pylon, and the heat dissipation air outlet is located fan unit below down, and the pylon outside welding has the layer board, installs the controlgear of fan unit operation on the layer board. In the patent, the number of the upper fan units can be determined according to the width of the top of the cabin; the output end of the control equipment is connected with the upper fan unit and the lower fan unit, and the control equipment is mainly used for controlling the upper fan unit and the lower fan unit under the control of an external instruction; when the upper fan unit rotates, the heat dissipation device is used for blowing air into the engine room, when the lower fan unit rotates, hot air in the engine room is taken out through the heat dissipation vent and the heat dissipation air outlet, heat in the engine room is dissipated in a circulation mode, and heat dissipation efficiency is greatly improved compared with an existing heat dissipation mode.

Description

Engine room heat dissipation mechanism of wind generating set

Technical Field

The utility model relates to a wind generator heat dissipation field, specifically wind generating set's cabin heat dissipation mechanism.

Background

A wind turbine generator system, also called a wind turbine, is a device for converting wind energy into electric energy, and generally includes a tower, a nacelle located at the top of the tower, and an impeller connected to the nacelle. During the energy conversion process of the wind generating set, heat is inevitably generated, and components such as a generator, a converter and the like generate heat during operation. With the increasing rated power of modern wind generating sets, the heat generation amount of heat generating components of the modern wind generating sets is increasing, and the requirement on the heat dissipation capability of the heat sink is increasing, so that the volume of the heat sink must be increased, which increases the cost of the wind generating set on one hand, and on the other hand, the transportation challenge is brought by an oversize cabin.

Through search, the invention of patent number CN201610876966.0 discloses a heat dissipation mechanism and a heat dissipation method for an engine room of a wind generating set, wherein the mechanism comprises: the first baffle and the heat dissipation opening are arranged on the side face of the engine room; one end of the first baffle is arranged on the side face of the cabin, and the other end of the first baffle extends to the outside of the cabin; the first baffle is used for blocking airflow in the incoming wind direction from flowing into the heat dissipation opening when the wind generating set performs yaw operation, a low-pressure area is formed between the first baffle and the tail portion, far away from the hub, of the engine room, the air pressure of the low-pressure area is lower than that of the engine room, and the heat dissipation opening is located in the low-pressure area and used for dissipating heat of the engine room in the yaw process.

Patent number CN 201721539695.6's utility model relates to a cabin heat abstractor, including locating the air pipe in the cabin cover, the air inlet end of air pipe and the air exit intercommunication of heat source spare in the cabin cover, the air-out end of air pipe and cabin cover vent or the inner space intercommunication of cabin cover. The utility model discloses can conveniently change air pipe's air-out direction fast to change thermal circulation mode, realize wind generating set to thermal different demands under different environment.

The utility model with patent number CN201820943948.4 relates to a ventilating and heat dissipating device for a wind generating set cabin, one side of the cabin is connected with a rotor blade, one side of the cabin, which is far away from the rotor blade, is provided with a plurality of heat dissipating holes, the outer side of the cabin is sleeved with a shell, the outer end of the upper side of a tower frame is rotatably provided with a water tank, both ends of the upper side of the water tank are fixed with, the upper end of the connecting rod is connected with the engine room, the lower side in the water tank is provided with a water pump, the output end of the water pump is connected with a water supply pipe, the water supply pipe penetrates through the water tank and is fixed on the engine room, and run through and extend to the interior upside of shell, water tank upside one end is connected with the outlet pipe, and the outlet pipe links to each other with the shell downside, is provided with the inlet tube of taking the valve on the pylon of water tank one side upper end, is provided with the drain pipe of taking the valve on the pylon of water tank one side lower extreme, is fixed with the backup pad on the pylon of water tank downside, and the backup pad upside passes through stop gear and connects the water tank.

Analysis shows that the traditional heat dissipation mode of the wind generating set cabin is mainly that a skylight is arranged on the outer side of the wind generating set cabin, but the mode has low heat dissipation efficiency and poor operation and maintenance safety. In addition, for the existing wind generating set, when the temperature in the engine room is high and heat dissipation is needed, the heat in the engine room cannot form internal circulation, and the heat dissipation reliability needs to be improved.

Therefore, an automatic heat dissipation mode for the engine room of the wind turbine generator system is urgently needed to reduce operation and maintenance costs and improve the heat dissipation efficiency of the engine room.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a nacelle heat dissipation mechanism of a wind turbine generator system; the automatic heat dissipation of the engine room of the wind generating set can be realized quickly in a circulating mode, and the wind generating set is simple in structure, low in cost and convenient and quick to operate.

The utility model is realized in such a way, a cabin heat dissipation mechanism of the wind generating set is constructed, which comprises an upper fan unit positioned at the top of the cabin and a lower fan unit positioned in the tower; the heat dissipation vent has been seted up to the cabin bottom, has seted up the heat dissipation air outlet in the pylon, and the heat dissipation air outlet is located fan unit below down, and the pylon outside welding has the layer board, installs the controlgear of fan unit operation on the layer board.

Preferably, an exhaust baffle is welded inside the tower frame, and the exhaust baffle is located below the lower fan unit and corresponds to the heat dissipation air outlet.

Optimally, the upper fan unit and the heat dissipation ventilation openings correspond to the middle of the cabin and correspond to the position of the tower (3).

Preferably, three circular clamping columns are welded inside the tower frame, the shell corresponding to the lower fan unit is provided with three connecting clamping heads, and the lower fan unit is buckled on the circular clamping columns through the connecting clamping heads.

Preferably, the lower fan unit further has a filter plate.

Optimally, a protection plate is welded at the top of the cabin.

Preferably, the inner wall of the engine room is provided with a cold air cooling pipe which is provided with an air outlet.

The utility model has the advantages of as follows:

the method has the advantages that: the utility model comprises an upper fan unit positioned at the top of the engine room and a lower fan unit positioned in the tower; the heat dissipation vent has been seted up to the cabin bottom, has seted up the heat dissipation air outlet in the pylon, and the heat dissipation air outlet is located fan unit below down, and the pylon outside welding has the layer board, installs the controlgear of fan unit operation on the layer board. In the patent, as shown in fig. 2, the number of upper fan units can be determined according to the width of the top of the nacelle; the output end of the control equipment is connected with the upper fan unit and the lower fan unit, and the control equipment is mainly used for controlling the upper fan unit and the lower fan unit under the control of an external instruction (through timing remote control or electric control); when the upper fan unit rotates, the heat dissipation fan unit is used for blowing air into the engine room, when the lower fan unit 4 rotates, hot air in the engine room is taken out through the heat dissipation vent and the heat dissipation air outlet, heat in the engine room is dissipated in a circulation mode, and heat dissipation efficiency is greatly improved compared with an existing heat dissipation mode.

The method has the advantages that: as shown in fig. 1, an exhaust baffle is welded inside the tower, the exhaust baffle is located below the lower fan unit and corresponds to the heat dissipation air outlet, and heat can be rapidly discharged under the action of the exhaust baffle.

The method has the advantages that: as shown in fig. 1, the upper fan unit and the heat dissipation vent correspond exactly to the middle of the nacelle and exactly to the position of the tower; so that the circulation in the cabin is smoother.

The advantages are that: three circular clamping columns are welded inside the tower frame, the shell corresponding to the lower fan unit is provided with three connecting clamping heads, and the lower fan unit is clamped on the circular clamping columns through the connecting clamping heads; the embodiment is shown in fig. 3, which facilitates assembly, cleaning, disassembly and replacement of the lower fan unit.

The advantages are that: the lower fan unit 4 also has a filter sheet which prevents excessive dust and the like from entering the lower fan unit.

The method has the advantages that: the protection plate is welded at the top of the engine room, the position of the protection plate is slightly higher than that of the upper fan unit, and external rainwater can be prevented from entering the engine room.

The method has the advantages that: a cold air cooling pipe is arranged on the inner wall of the cabin and is provided with an air outlet; the cold air cooling pipe can be communicated with external refrigeration equipment, and a certain amount of cold air can be introduced into the cabin in the heat dissipation process to help the cabin to cool and dissipate heat.

Drawings

FIG. 1 is a schematic view of an overall implementation of a nacelle heat dissipation mechanism of the present patent;

FIG. 2 is a schematic view of an upper fan unit of the present patent;

FIG. 3 is a schematic view of the lower fan unit of this patent snapped into the tower.

Wherein: the air cooling device comprises a cabin 1, an upper fan unit 2, a tower 3, a lower fan unit 4, a heat dissipation ventilation opening 5, a heat dissipation air outlet 6, a supporting plate 7, control equipment 8, an exhaust baffle 9, a circular clamping column 10, a connecting clamping head 11, a filter plate 12, a protection plate 13, a cold air cooling pipe 14 and an air outlet 15.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a cabin heat dissipation mechanism of a wind generating set through improvement, which comprises an upper fan unit 2 positioned at the top of a cabin 1 and a lower fan unit 4 positioned inside a tower 3; the bottom of the engine room 1 is provided with a heat dissipation vent 5, a heat dissipation air outlet 6 is arranged in the tower 3, the heat dissipation air outlet 6 is positioned below the lower fan unit 4, a supporting plate 7 is welded outside the tower 3, and a control device 8 for controlling the operation of the fan unit is arranged on the supporting plate 7.

In this patent, as shown in fig. 2, the number of upper fan units 2 may be determined according to the width of the top of the nacelle 1; the output end of the control device 8 is connected with the upper fan unit 2 and the lower fan unit 4, and the control device 8 is mainly used for controlling the upper fan unit 2 and the lower fan unit 4 under the control of an external instruction (through timing remote control or electric control); when the upper fan unit 2 rotates, the air blower is used for blowing air into the engine room 1, when the lower fan unit 4 rotates, hot air in the engine room 1 is taken out through the heat dissipation ventilation opening 5 and the heat dissipation air outlet 6, heat in the engine room is dissipated in a circulating mode, and heat dissipation efficiency is greatly improved compared with an existing heat dissipation mode.

As shown in fig. 1, an exhaust baffle 9 is welded inside the tower 3, the exhaust baffle 9 is located below the lower fan unit 4 and corresponds to the heat dissipation outlet 6, and heat can be quickly exhausted under the action of the exhaust baffle 9.

As shown in fig. 1, the upper fan unit 2 and the heat dissipation vent 5 correspond to the middle of the nacelle 1 and correspond to the position of the tower 3; so that the circulation in the cabin is smoother.

Three circular clamping columns 10 are welded inside the tower 3, a shell corresponding to the lower fan unit 4 is provided with three connecting clamping heads 11, and the lower fan unit 4 is clamped on the circular clamping columns 10 through the connecting clamping heads 11; the embodiment is shown in fig. 3, in such a way as to facilitate assembly, cleaning, disassembly and replacement of the lower fan unit 4.

The lower fan unit 4 also has a filter sheet 12, and the filter sheet 12 prevents excessive dust and the like from entering the lower fan unit 4.

The protection plate 13 is welded at the top of the cabin 1, and the position of the protection plate 13 is slightly higher than that of the upper fan unit 2, so that external rainwater can be prevented from entering the cabin 1.

A cold air cooling pipe 14 is arranged on the inner wall of the cabin 1, and the cold air cooling pipe 14 is provided with an air outlet 15; the cold air cooling pipe 14 can be communicated with external refrigeration equipment, and a certain amount of cold air can be introduced into the cabin 1 in the heat dissipation process to help the cabin 1 to cool and dissipate heat.

To sum up, this patent can realize the automatic heat dissipation function in wind generating set cabin through circulation mode and cold wind cooling mode fast, self simple structure, with low costs, convenient operation are swift.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a wind generating set's cabin heat dissipation mechanism which characterized in that: comprises an upper fan unit (2) positioned at the top of a cabin (1) and a lower fan unit (4) positioned inside a tower (3); the heat dissipation ventilation opening (5) has been seted up to cabin (1) bottom, has seted up heat dissipation air outlet (6) in pylon (3), and heat dissipation air outlet (6) are located fan unit (4) below down, and pylon (3) outside welding has layer board (7), installs fan unit operation's controlgear (8) on layer board (7).

2. The nacelle heat dissipation mechanism of a wind generating set of claim 1, wherein: an air exhaust baffle (9) is welded inside the tower frame (3), and the air exhaust baffle (9) is located below the lower fan unit (4) and corresponds to the heat dissipation air outlet (6).

3. The nacelle heat dissipation mechanism of a wind generating set of claim 1, wherein: the upper fan unit (2) and the heat dissipation ventilation opening (5) just correspond to the middle of the engine room (1) and just correspond to the position of the tower (3).

4. The nacelle heat dissipation mechanism of a wind generating set of claim 2, wherein: the inside welding of pylon (3) has three circular calorie of post (10), and the shell that fan unit (4) correspond down has three connection dop (11), and fan unit (4) are through connecting dop (11) buckle on circular calorie of post (10) down.

5. The nacelle heat dissipation mechanism of a wind generating set of claim 1, wherein: the lower fan unit (4) also has a filter plate (12).

6. The nacelle heat dissipation mechanism of a wind generating set of claim 1, wherein: the top of the cabin (1) is welded with a protection plate (13).

7. The nacelle heat dissipation mechanism of a wind generating set of claim 6, wherein: the inner wall of the engine room (1) is provided with a cold air cooling pipe (14), and the cold air cooling pipe (14) is provided with an air outlet (15).