CN215871089U

CN215871089U - Single-bearing direct-drive wind driven generator

Info

Publication number: CN215871089U
Application number: CN202121115593.8U
Authority: CN
Inventors: 焦昌梅
Original assignee: Yancheng Teachers University
Current assignee: Yancheng Teachers University
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-18
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a single-bearing direct-drive wind driven generator which comprises an outer shell, a cold injection mechanism and an inner shell, wherein the cold injection mechanism comprises a pressurizing cylinder, a liquid storage tank, a guide pipe, a pipe cover, an air groove, a pushing air cylinder, a sliding plate, a spring, a liquid injection pipe, an air column and a piston rod; the improved air cylinder is characterized in that a pressurizing cylinder is fixedly connected to the outer wall of the right side of the shell, a liquid storage tank is connected to the lower end of the pressurizing cylinder in an intercommunicating manner, an air groove is formed in the pressurizing cylinder, an air column slides along the inner portion of the air groove in a matched manner, a pushing air cylinder is installed on the outer wall of the right side of the shell, a piston rod is installed at the lower end of the pushing air cylinder, the lower end of the piston rod is fixedly connected with the air column, and a sliding plate is connected to the inner portion of the liquid storage tank in a sliding and clamping manner. The radiating aluminum fins in the single-bearing direct-drive wind driven generator are used for increasing the whole radiating area of the generator, the liquid injection pipe is communicated with the space between the outer shell and the inner shell of the generator, and after condensate is injected into the liquid injection pipe, the quick radiating effect can be achieved.

Description

Single-bearing direct-drive wind driven generator

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to a single-bearing direct-drive wind driven generator.

Background

The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.

Patent number CN201220708078.5 discloses a single-bearing direct-drive wind power generator, which comprises a fixed shaft, a movable shaft, a stator, a rotor and a bearing, wherein the fixed shaft supports the stator and is installed on an outer bracket of the bearing, and the movable shaft supports the rotor and is fixedly connected with an inner rotor of the bearing. The single-bearing direct-drive wind driven generator adopts the rotor part and the single-bearing support, so that the bearing cost is reduced; the economy of the generator and the market competitiveness are improved; the gearbox in the traditional wind power equipment is optimized, the volume of the fan is reduced, the weight of the fan is reduced, the purchase and maintenance cost of the gearbox is saved, and the economic cost is reduced.

At present, the wind driven generator has the following disadvantages: 1. although the wind driven generator is provided with the heat dissipation element, the whole heat dissipation surface is small, so that the heat dissipation efficiency is low, and the whole service life of equipment is influenced; 2. internal components of the wind driven generator are easily damaged by external impact. Therefore, a single-bearing direct-drive wind driven generator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a single-bearing direct-drive wind driven generator, wherein heat dissipation aluminum fins are used for increasing the overall heat dissipation area of the generator, a liquid injection pipe is communicated with the space between an outer shell and an inner shell of the generator, and after condensate is injected into the liquid injection pipe, the quick heat dissipation effect can be achieved, and the problems in the background art can be effectively solved.

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

a single-bearing direct-drive wind driven generator comprises an outer shell, a cold injection mechanism and an inner shell, wherein the cold injection mechanism comprises a pressure cylinder, a liquid storage tank, a guide pipe, a pipe cover, an air groove, a pushing air cylinder, a sliding plate, a spring, a liquid injection pipe, an air column and a piston rod; the bottom of the liquid storage tank is communicated and connected with a guide pipe, and the tail end of the guide pipe is screwed with a pipe cover; the tube cover is opened by screwing, and the injector is inserted into the tube opening of the guide tube, so that waste liquid in the liquid storage tank can be sucked out or new condensate can be injected; the left side of the liquid storage tank is communicated with a liquid injection pipe; the liquid injection pipe is communicated with the space between the outer shell and the inner shell of the generator, and after condensate is injected into the liquid injection pipe, the quick heat dissipation effect can be achieved.

Furthermore, the outer side wall of the inner shell is fixedly connected with radiating aluminum fins, and the inner side wall of the outer shell is fixedly connected with fin clamping blocks; the radiating aluminum fins are used for increasing the whole radiating area of the generator.

Furthermore, the inner surface of the fin clamping block is bonded with a rubber block, and the fin clamping block is matched and clamped with the radiating aluminum fin; the rubber block is adhered to the inner surface of the fin clamping block, the fin clamping block and the radiating aluminum fin are clamped in a matched mode, and the rubber block can play a buffering role between the fin clamping block and the radiating aluminum fin.

Compared with the prior art, the utility model has the following beneficial effects that 1, the cold injection mechanism is additionally arranged, the cold injection mechanism comprises a pressurizing cylinder, a liquid storage box, a guide pipe, a pipe cover, an air groove, a pushing air cylinder, a sliding plate, a spring, a liquid injection pipe, an air column and a piston rod, the pushing air cylinder is opened to push the piston rod to move when working, the piston rod drives the air column to move downwards along the track of the air groove, the air column has good sealing performance, the extruded gas pushes the sliding plate in the liquid storage box to slide directionally, condensate in the liquid storage box is pushed to be injected between the outer shell and the inner shell of the generator through the liquid injection pipe, the radiating aluminum fins are used for increasing the integral radiating area of the generator, the liquid injection pipe is communicated with the space between the outer shell and the inner shell of the generator, and after the condensate is injected into the liquid injection pipe, the quick radiating effect can be achieved; 2. the rubber block is adhered to the inner surface of the fin clamping block, the fin clamping block and the radiating aluminum fin are clamped in a matched mode, and the rubber block can play a buffering role between the fin clamping block and the radiating aluminum fin.

Drawings

Fig. 1 is a schematic overall structure diagram of a single-bearing direct-drive wind driven generator according to the present invention.

FIG. 2 is a schematic structural diagram of an injection cooling mechanism of a single-bearing direct-drive wind driven generator.

FIG. 3 is a schematic cross-sectional view of a single-bearing direct-drive wind turbine generator according to the present invention.

In the figure: 1. a housing; 2. a cold injection mechanism; 201. a pressurizing cylinder; 202. a liquid storage tank; 203. a conduit; 204. a tube cover; 205. an air tank; 206. a push cylinder; 207. a sliding plate; 208. a spring; 209. a liquid injection pipe; 210. a gas column; 211. a piston rod; 3. an inner shell; 4. heat dissipating aluminum fins; 5. a fin fixture block; 6. a rubber block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a single-bearing direct-drive wind power generator comprises an outer shell 1, and further comprises an injection cooling mechanism 2 and an inner shell 3, wherein the injection cooling mechanism 2 comprises a pressure cylinder 201, a liquid storage tank 202, a guide pipe 203, a pipe cover 204, an air groove 205, a push cylinder 206, a sliding plate 207, a spring 208, a liquid injection pipe 209, an air column 210 and a piston rod 211, the outer wall of the right side of the outer shell 1 is fixedly connected with the pressure cylinder 201, the lower end of the pressure cylinder 201 is connected with the liquid storage tank 202 in an intercommunicating manner, the air groove 205 is formed in the pressure cylinder 201, the air column 210 slides along the air groove 205 in a matching manner, the push cylinder 206 is installed on the outer wall of the right side of the outer shell 1, the piston rod 211 is installed at the lower end of the push cylinder 206, the air column 210 is fixedly connected at the lower end of the piston rod 211, the sliding plate 207 is slidably clamped with the sliding plate 207 in the liquid storage tank 202, the right side of the sliding plate 207 is fixedly connected with the spring 208, the spring 208 is fixedly attached to the right inner wall of the reservoir 202.

Wherein, the bottom of the liquid storage tank 202 is communicated and connected with a conduit 203, and the tail end of the conduit 203 is screwed with a pipe cover 204; the waste liquid inside the tank 202 can be sucked out or new condensate can be injected by screwing open the cap 204 and inserting the syringe into the mouth of the guide tube 203.

Wherein, the left side of the liquid storage tank 202 is communicated with a liquid injection pipe 209; the liquid injection pipe 209 is communicated with the space between the generator outer shell 1 and the inner shell 3, and after condensate is injected into the space, the quick heat dissipation effect can be achieved.

The outer side wall of the inner shell 3 is fixedly connected with a radiating aluminum fin 4, and the inner side wall of the outer shell 1 is fixedly connected with a fin clamping block 5; the radiating aluminum fins 4 are used for increasing the overall radiating area of the generator.

The inner surface of the fin clamping block 5 is bonded with a rubber block 6, and the fin clamping block 5 is matched and clamped with the radiating aluminum fin 4; the rubber block 6 is adhered to the inner surface of the fin clamping block 5, the fin clamping block 5 and the radiating aluminum fin 4 are matched and clamped, and the rubber block 6 can play a buffering role between the two.

It should be noted that, the utility model is a single-bearing direct-drive wind driven generator, when in use, by adding the cold injection mechanism 2, the cold injection mechanism 2 comprises a pressure cylinder 201, a liquid storage tank 202, a guide pipe 203, a pipe cover 204, an air groove 205, a pushing cylinder 206, a sliding plate 207, a spring 208, a liquid injection pipe 209, an air column 210 and a piston rod 211, by opening the switch of the pushing cylinder 206, the pushing cylinder 206 is pushed to work and pushes the piston rod 211 to move, the piston rod 211 drives the air column 210 to move downwards along the track of the air groove 205, the air column 210 has good sealing performance and pushes the sliding plate 207 in the liquid storage tank 202 to directionally slide, the condensate in the liquid storage tank 202 is pushed to be injected between the generator outer shell 1 and the inner shell 3 through the liquid injection pipe 209, the heat dissipation aluminum fins 4 are used for increasing the integral heat dissipation area of the generator, the liquid injection pipe 209 is communicated with the space between the generator outer shell 1 and the inner shell 3, after the condensate is injected therein, the quick heat dissipation effect can be achieved; the rubber block 6 is adhered to the inner surface of the fin clamping block 5, the fin clamping block 5 and the radiating aluminum fin 4 are matched and clamped, and the rubber block 6 can play a buffering role between the two.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a single bearing directly drives type aerogenerator, includes shell (1), its characterized in that: the cooling device is characterized by further comprising a cooling mechanism (2) and an inner shell (3), wherein the cooling mechanism (2) comprises a pressurizing cylinder (201), a liquid storage box (202), a guide pipe (203), a pipe cover (204), an air groove (205), a pushing air cylinder (206), a sliding plate (207), a spring (208), a liquid injection pipe (209), an air column (210) and a piston rod (211);

the outer wall of the right side of the shell (1) is fixedly connected with a pressurizing cylinder (201), and the lower end of the pressurizing cylinder (201) is communicated with a liquid storage tank (202); the bottom of the liquid storage tank (202) is communicated and connected with a guide pipe (203), and the tail end of the guide pipe (203) is screwed with a pipe cover (204); an air groove (205) is formed in the pressurizing cylinder (201), the air column (210) slides along the air groove (205) in a matched manner, a pushing air cylinder (206) is installed on the outer wall of the right side of the shell (1), a piston rod (211) is installed at the lower end of the pushing air cylinder (206), and the air column (210) is fixedly connected to the lower end of the piston rod (211); a sliding plate (207) is slidably clamped in the liquid storage tank (202), a spring (208) is fixedly connected to the right side of the sliding plate (207), and the spring (208) is fixedly connected to the inner wall of the right side of the liquid storage tank (202); the left side of the liquid storage tank (202) is connected with a liquid injection pipe (209) in an intercommunicating manner.

2. The single-bearing direct-drive wind power generator as claimed in claim 1, wherein: the outer side wall of the inner shell (3) is fixedly connected with radiating aluminum fins (4), and the inner side wall of the outer shell (1) is fixedly connected with fin clamping blocks (5).

3. The single-bearing direct-drive wind power generator as claimed in claim 2, wherein: the inner surface of the fin clamping block (5) is bonded with a rubber block (6), and the fin clamping block (5) is matched and clamped with the heat-radiating aluminum fin (4).