CN215486406U

CN215486406U - Cooling device of wind generating set

Info

Publication number: CN215486406U
Application number: CN202121623579.9U
Authority: CN
Inventors: 王智然
Original assignee: Avic Baian New Energy Power Co ltd
Current assignee: Avic Baian New Energy Power Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-11
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a cooling device of a wind generating set, which comprises a container, wherein the side wall of the container is rotatably connected with a rotating shaft, one end of the rotating shaft penetrates through the side wall of the container to extend outwards and is fixedly connected with a hub, a plurality of blades are fixedly connected to the hub, the outer wall of the rotating shaft positioned in the container is sequentially connected with a disc and a gear speed increasing box, the disc is connected with the inner side wall of the container through a fixing device, a heat radiating device is arranged on the disc and is used for blowing airflow in the container, the gear speed increasing box is connected with a generator in a transmission manner, a cooling device is arranged on the generator, and a plurality of through holes are formed in the side wall of the container. According to the utility model, the blades are driven to rotate by wind power in the nature, so that the rotating shaft is driven to rotate, the disc is driven to rotate, the blades rotate to blow air, the air flow in the container is blown, the heat is discharged to the outside from the through hole, and the problem that a generator set cannot dissipate heat in time is solved.

Description

Cooling device of wind generating set

Technical Field

The utility model relates to the technical field of wind power generation equipment, in particular to a cooling device of a wind generating set.

Background

The principle of wind power generation is that wind energy in nature is converted into mechanical energy, then the mechanical energy is converted into electric energy, wind power is used for driving windmill blades to rotate, and the rotating speed is increased through a speed increaser so as to drive a generator to generate electricity;

however, when two kinds of energy are converted, energy consumption is certainly generated, and the part of energy consumption is usually displayed in a heat energy mode, so that the wind generating set is subjected to higher temperature during operation, and in order to prevent adverse effects of high temperature on the wind generating set, the wind generating set needs to be cooled in time, and the existing cooling device cannot efficiently reduce the heat energy received by the wind generating set;

therefore, the application provides a wind generating set cooling device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing wind generating set is short of a high-efficiency cooling device and cannot timely reduce the high temperature of the wind generating set, and provides the cooling device of the wind generating set.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a wind generating set cooling device, includes the container, the container lateral wall rotates and is connected with the axis of rotation, the lateral wall that the one end of axis of rotation runs through the container outwards extends to fixedly connected with wheel hub, a plurality of blades of fixedly connected with on the wheel hub are located inside the container the outer wall of axis of rotation has connected gradually disc and gear increasing gear case, the disc passes through fixing device and is connected with the container inside wall, be provided with heat abstractor on the disc, heat abstractor is used for blowing the air current in the container, gear increasing gear case transmission is connected with the generator, be provided with the heat sink on the generator, a plurality of through-holes have been seted up on the container lateral wall.

Preferably, fixing device specifically includes the mount pad with container inside wall fixed connection, mount pad fixedly connected with ring, the internal diameter of ring is unanimous with the external diameter of disc, the annular fixed slot has been seted up to the ring inner wall, the fixed solid ring that has cup jointed of disc outer wall, gu fixed ring is located the fixed slot.

Preferably, the heat dissipation device specifically includes a plurality of axis bodies that rotate with the disc and be connected near one side of gear speed increasing box, the fixed cover of outer wall of axis body has connect the gear, the tip fixedly connected with a plurality of flabellums of axis body.

Preferably, the heat dissipation device further comprises a tooth groove formed in the inner wall of the ring, the tooth groove is annular, and the tooth groove is matched with the gear and is in meshed connection with the gear.

Preferably, the heat sink specifically includes the cooling piece, the cooling piece adopts heat conducting material to make, the outer wall of generator is hugged closely to the cooling piece, the cavity has been seted up in the cooling piece, the cooling piece runs through the lateral wall of container, the cavity is linked together with the external world.

Preferably, a plurality of said through holes extend through the side wall of the container, said through holes being located on the lower side wall of the container.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the blades are driven to rotate by wind power in the nature, so that the rotating shaft is driven to rotate, the disc is driven to rotate, the blades rotate to blow air, the air flow in the container is blown, the heat is discharged to the outside from the through hole, and the problem that a generator set cannot dissipate heat in time is solved.

2. The cooling block is arranged on the generator shell, so that when raining falls into the cavity, heat emitted by the generator can be absorbed and converted into water vapor to escape, meanwhile, the device is positioned at high altitude, the wind power is strong, and when strong wind flows through the opening end of the cavity, hot air is driven to flow to the nature, so that the effect of efficiently cooling the generator is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a cooling device of a wind generating set according to the present invention;

FIG. 2 is a schematic view of a connection structure between a disk and blades of a cooling device of a wind turbine generator system according to the present invention;

fig. 3 is a schematic view of a connection structure between a disc and a ring in a cooling device of a wind turbine generator system according to the present invention.

In the figure: 1 container, 2 rotating shafts, 3 hubs, 4 blades, 5 disks, 6 gear speed increasing boxes, 7 generators, 8 through holes, 9 mounting seats, 10 rings, 11 fixing grooves, 12 fixing rings, 13 shafts, 14 gears, 15 fan blades, 16 tooth grooves, 17 cooling blocks and 18 chambers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, a cooling device of a wind generating set comprises a container 1, wherein a rotating shaft 2 is rotatably connected to the side wall of the container 1, one end of the rotating shaft 2 penetrates through the side wall of the container 1 and extends outwards, a hub 3 is fixedly connected to the rotating shaft, a plurality of blades 4 are fixedly connected to the hub 3, a disc 5 and a gear speed increasing box 6 are sequentially connected to the outer wall of the rotating shaft 2 inside the container 1, the disc 5 is connected with the inner side wall of the container 1 through a fixing device, a heat dissipation device is arranged on the disc 5 and used for blowing air flow in the container 1, a generator 7 is connected to the gear speed increasing box 6 in a transmission manner, a cooling device is arranged on the generator 7, and a plurality of through holes 8 are formed in the side wall of the container 1;

the wind blows a plurality of blades 4 to drive the rotating shaft 2 to rotate, and the rotating speed is increased through the gear speed increasing box 6, so that the generator 7 generates electricity;

further, the fixing device specifically comprises a mounting seat 9 fixedly connected with the inner side wall of the container 1, the mounting seat 9 is fixedly connected with a circular ring 10, the inner diameter of the circular ring 10 is consistent with the outer diameter of the circular disc 5, an annular fixing groove 11 is formed in the inner wall of the circular ring 10, a fixing ring 12 is fixedly sleeved on the outer wall of the circular disc 5, and the fixing ring 12 is located in the fixing groove 11;

referring to fig. 3, the disc 5 may perform a rotational movement with respect to the ring 10, and the disc 5 may not be separated from the ring 10 by the interaction of the fixing ring 12 and the fixing groove 11;

further, the heat dissipation device specifically comprises a plurality of shaft bodies 13 rotatably connected with one side of the disc 5 close to the gear box 6, gears 14 are fixedly sleeved on the outer walls of the shaft bodies 13, and a plurality of fan blades 15 are fixedly connected with the end portions of the shaft bodies 13;

when in use, the rotating shaft 2 drives the disc 5 to rotate, and drives the plurality of shaft bodies 13 to revolve (around the central axis of the rotating shaft 2);

furthermore, the heat dissipation device also comprises a tooth groove 16 formed in the inner wall of the ring 10, the tooth groove 16 is annular, and the tooth groove 16 is matched with the gear 14 and is meshed with the gear 14;

in use, the plurality of shaft bodies 13 revolve, and the plurality of shaft bodies 13 also rotate (refer to surrounding the central axis of the shaft body 2) through the interaction between the gears 14 and the tooth spaces 16;

further, the cooling device specifically comprises a cooling block 17, the cooling block 17 is made of a heat conducting material, the cooling block 17 is tightly attached to the outer wall of the generator 7, a cavity 18 is formed in the cooling block 17, the cooling block 17 penetrates through the side wall of the container 1, and the cavity 18 is communicated with the outside;

the chamber 18 is communicated with the outside, so that rainwater in nature can fall into the chamber 18, and wind force in nature can contact the inside of the chamber 18;

when the water storage device is used, in a rainy day, the cavity 18 can store water for absorbing heat emitted by the generator 7, and liquid water absorbs the heat and is converted into gaseous water to escape from the cavity 18;

the wind direction of the strong wind flow is vertical to the opening end of the chamber 18, the air pressure at the place with high wind speed is reduced, so that the air pressure in the chamber 18 is larger than the air pressure at the opening end of the chamber 18, and the gas driving heat can accelerate to escape from the chamber 18;

further, a plurality of through holes 8 penetrate through the side wall of the container 1, and the through holes 8 are positioned on the lower side wall of the container 1;

referring to fig. 1, through holes 8 are provided on the lower side wall of the container 1 in order to prevent rainwater from entering the container 1 and damaging electronic equipment such as a generator set;

the working principle of the utility model is as follows:

the blades 4 drive the hub 3 to rotate by utilizing wind power, drive the rotating shaft 2 to rotate, and drive the disc 5 to rotate, so that the shaft body 13 is in self-rotation and revolution, the blades 15 blow out spiral airflow, and heat emitted by the engine unit is discharged to the outside from the through hole 8;

the cooling block 17 utilizes rainwater and wind current in nature to accelerate the heat dissipation rate of the generator 7, and the structure enables the temperature inside the container 1 to be timely and efficiently reduced, so that the continuous and stable operation of the generator set is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A cooling device of a wind generating set is characterized by comprising a container (1), the side wall of the container (1) is rotatably connected with a rotating shaft (2), one end of the rotating shaft (2) penetrates through the side wall of the container (1) and extends outwards, a hub (3) is fixedly connected, a plurality of blades (4) are fixedly connected on the hub (3), a disc (5) and a gear speed increasing box (6) are sequentially connected with the outer wall of the rotating shaft (2) positioned in the container (1), the disc (5) is connected with the inner side wall of the container (1) through a fixing device, the disc (5) is provided with a heat dissipation device which is used for blowing the air flow in the container (1), the gear speed increasing box (6) is connected with a generator (7) in a transmission mode, a cooling device is arranged on the generator (7), and a plurality of through holes (8) are formed in the side wall of the container (1).

2. The cooling device of a wind generating set according to claim 1, wherein the fixing device specifically includes a mounting seat (9) fixedly connected to the inner side wall of the container (1), the mounting seat (9) is fixedly connected to a ring (10), the inner diameter of the ring (10) is consistent with the outer diameter of the disc (5), a fixing groove (11) in an annular shape is formed in the inner wall of the ring (10), a fixing ring (12) is fixedly sleeved on the outer wall of the disc (5), and the fixing ring (12) is located in the fixing groove (11).

3. The cooling device of the wind generating set according to claim 2, wherein the heat sink specifically comprises a plurality of shaft bodies (13) rotatably connected to one side of the disc (5) close to the gearbox (6), a gear (14) is fixedly sleeved on the outer wall of each shaft body (13), and a plurality of fan blades (15) are fixedly connected to the end portion of each shaft body (13).

4. A cooling device for a wind generating set according to claim 3, characterized in that the heat sink further comprises a tooth socket (16) formed on the inner wall of the ring (10), the tooth socket (16) is annular, and the tooth socket (16) is adapted to the gear (14) and is engaged with the gear (14).

5. The cooling device of the wind generating set according to claim 1, wherein the cooling device specifically comprises a cooling block (17), the cooling block (17) is made of a heat conducting material, the cooling block (17) is tightly attached to the outer wall of the generator (7), a cavity (18) is formed in the cooling block (17), the cooling block (17) penetrates through the side wall of the container (1), and the cavity (18) is communicated with the outside.

6. A wind park cooling arrangement according to claim 1, wherein a plurality of said through holes (8) extend through a side wall of the container (1), said through holes (8) being located on a lower side wall of the container (1).