CN220086218U

CN220086218U - Protection device for energy storage component of wind driven generator

Info

Publication number: CN220086218U
Application number: CN202320276705.0U
Authority: CN
Inventors: 高超丹
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-11-24
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a protection device for an energy storage component of a wind driven generator, wherein a self-draining assembly is arranged at the bottom of a storage inner box, the protection device comprises a mounting plate, a fixed column, a movable column and a drain pipe, and the drain pipe is penetrated at the bottom end of the movable column and fixedly connected with a plunger; the plunger is connected with the buoyancy ball through the traction component. Because the buoyancy ball is hollow inflatable ball and can move upwards along with the rising of the water surface, the plunger is pulled by the upward buoyancy of the buoyancy ball to move upwards, and the plunger is attached to the bottom of the drain pipe, so that the seawater is not fed from the bottom of the drain pipe. When the sea water descends, the buoyancy ball can descend along with the sea water, the movable column can be driven to reset through gravity and the resilience force of the pressure spring, the plunger is far away from the drain pipe, the sea water in the inner cavity of the inner box can flow out along the drain pipe, the effect of self-drainage is achieved, and the situation that the storage battery is soaked to cause damage to internal parts is prevented to a certain extent.

Description

Protection device for energy storage component of wind driven generator

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a protection device for an energy storage component of a wind power generator.

Background

The wind power generator is power equipment for converting wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, the power output by the wind power generator set keeps a change state, and some wind power generator sets are provided with energy storage devices and are divided into the following categories: potential energy storage, kinetic energy storage, heat energy storage, electric energy storage and the like, and wind power generation principles are that wind power is utilized to drive windmill blades to rotate, the rotating speed is improved through a speed increaser to drive a generator to generate electricity, the generated electric energy is stored through an energy storage device, the electric energy is also energy, and the electric energy can be stored, so that emergency use can be carried out when sudden power failure occurs, and the electric energy is stored mainly by the following methods: pumped storage, compressed air storage, flywheel storage, superconducting coil storage, super-capacitor storage, storage battery storage and hydrogen storage, and lead-acid storage batteries are commonly adopted for high-power places with battery storage at present.

Energy storage technologies can be divided into two types, namely distributed and centralized, according to the different structures of the energy storage technologies. Firstly, the distributed energy storage mode mainly installs the energy storage device at the position of the wind driven generator, so that an energy storage system is required to be equipped for each wind driven generator, the effect of storing the electric energy of the single wind driven generator by adopting the single energy storage device is realized, and the stability of the wind driven generator system can be effectively enhanced. Secondly, the centralized energy storage mode can adjust the electric quantity output and input of the wind power generation device according to the actual wind power generation condition, adjusts the power generation system in real time, has flexibility and adaptability, but the current centralized energy storage technology has high requirements on the converter and the energy storage equipment, so that the centralized energy storage technology cannot be widely applied and popularized.

At present, an offshore wind driven generator is usually installed on a platform of an offshore booster station, basic equipment such as a storage battery energy storage device and the like is required to be transported to a wind farm site through an offshore wind power installation ship, the offshore air is relatively humid due to the influence of wind waves, the air humidity is high, the storage battery energy storage device is required to be connected into a power distribution cabinet for unified power supply management when in use, ventilation slots are usually formed in the side face of the power distribution cabinet for radiating the power storage energy storage device in the charging process, when severe weather is met, seawater is caused to rush into the offshore wind power installation ship when the seawater is excessively swelled, if the seawater enters the inside of the power distribution cabinet through the ventilation slots of the power distribution cabinet, the seawater cannot be discharged in time, and the situation that water is easy to enter parts inside the storage battery for a long time in the environment is caused, and the normal power generation operation of the storage battery can be influenced by the water.

Therefore, there is a need to provide a new protection device for energy storage components of wind driven generators to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a protection device for an energy storage component of a wind driven generator, which can achieve a self-drainage effect.

In order to achieve the above purpose, the utility model provides a protection device for an energy storage component of a wind driven generator, which comprises a protection box body and a placement inner box fixedly connected with the protection box body and used for storing a storage battery pack, wherein a self-draining assembly is arranged at the bottom of the placement inner box;

the self-drainage assembly comprises a mounting plate fixedly connected to the inner side wall of the inner placing box, a fixed column fixedly connected to the bottom of the mounting plate, and a movable column with the top end vertically movably inserted into the inner cavity of the fixed column; the bottom of the inner placing box is provided with a drain pipe, and the bottom end of the movable column penetrates through the drain pipe and is fixedly connected with a plunger;

the plunger is connected with the buoyancy ball through the traction component; when the movable column is positioned at the upper end of the stroke, the plunger plugs the bottom opening of the drain pipe, and when the movable column is positioned at the lower end of the stroke, the plunger is separated from the bottom opening of the drain pipe.

Preferably, the bottom of the inner placing box is provided with two self-draining assemblies oppositely.

Preferably, an elastic member for applying force downwards to the movable column is further arranged between the fixed column and the movable column.

Preferably, a connecting plate is fixedly arranged on one side of the plunger; the traction component is a traction rope, one end of the traction component is connected with the connecting plate, and the other end of the traction component is fixedly connected with the buoyancy ball.

Preferably, the top of the plunger is integrally provided with a sealing ring sized to mate with the drain bottom opening.

Preferably, a retaining ring is arranged at one end of the fixed column, which is far away from the mounting plate, and a baffle plate matched with the retaining ring is arranged at one end of the movable column, which is far away from the plunger.

Preferably, the elastic piece is a pressure spring, and two ends of the pressure spring are respectively abutted with the inner cavity wall of the fixed column and the baffle.

Preferably, a placing table for installing the storage battery pack is fixedly connected to the center of the placing inner box, a heat dissipation piece is arranged on the top wall of the inner cavity of the placing inner box, and an air outlet of the heat dissipation piece is opposite to the placing table.

Preferably, one side of the protective box body is provided with an adjustable shutter.

Preferably, two detachable sealing plates are oppositely arranged at the top of the protective box body.

Compared with the related art, the protection device for the energy storage component of the wind driven generator has the following beneficial effects:

because the buoyancy ball is hollow inflatable ball and can move upwards along with the rising of the water surface, the plunger is pulled by the upward buoyancy of the buoyancy ball to move upwards, and the plunger is attached to the bottom of the drain pipe, so that the seawater is not fed from the bottom of the drain pipe. When the sea water descends, the buoyancy ball can descend along with the sea water, the movable column can be driven to reset through gravity and the resilience force of the pressure spring, the plunger is far away from the drain pipe, the sea water in the inner cavity of the inner box can flow out along the drain pipe, the effect of self-drainage is achieved, and the situation that the storage battery is soaked to cause damage to internal parts is prevented to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the whole structure of a protection device for an energy storage component of a wind driven generator according to the present utility model;

FIG. 2 is a schematic view of the structure of the inner box of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the placement inner case of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure A shown in FIG. 3;

fig. 5 is a schematic structural diagram of the self-draining assembly according to the present utility model.

Reference numerals in the drawings:

1. a protective box body; 2. placing an inner box; 3. a mounting plate; 4. fixing the column; 5. a movable column; 6. a traction rope; 7. a drain pipe; 8. a plunger; 9. a connecting plate; 10. a buoyancy ball; 11. a seal ring; 12. a retainer ring; 13. a baffle; 14. a pressure spring; 15. a placement table; 16. a heat sink; 17. an adjustable shutter; 18. the sealing plate can be detached.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic diagram of an overall structure of a protection device for an energy storage component of a wind turbine according to the present utility model; FIG. 2 is a schematic view of the structure of the inner box of FIG. 1; FIG. 3 is a schematic cross-sectional view of the placement inner case of FIG. 1; FIG. 4 is an enlarged schematic view of the structure A shown in FIG. 3; fig. 5 is a schematic structural diagram of the self-draining assembly according to the present utility model.

In the specific implementation process, as shown in fig. 1-5, the inner placing box 2 is fixedly connected with the protective box body 1, and specifically, two sides of the inner placing box can be respectively and fixedly connected with two sides of the inner cavity of the protective box body 1; the bottom of the inner box 2 is provided with self-draining assemblies, the number and the positions of the self-draining assemblies can be selected according to specific occasions, and two opposite self-draining assemblies can be arranged generally.

The self-draining assembly can specifically comprise a mounting plate 3, a fixed column 4, a movable column 5, a traction rope 6 and a draining pipe 7 penetrating the bottom of the inner box 2, wherein:

the mounting plate 3 can be fixedly connected to the inner side wall of the inner accommodating box 2, and the fixing column 4 can be fixedly connected to the bottom of the mounting plate 3. An elastic piece can be arranged at the inner cavity of the fixed column 4 and used for pushing the movable column 5 to move downwards smoothly to open the drain pipe 7 when draining water; however, in theory, it is of course also possible to dispense with the elastic member, and the gravity of the movable column 5 can open the drain pipe 7.

One end of the movable column 5 is penetrated to the inner cavity of the fixed column 4 and is fixedly connected with the elastic piece, and one end of the movable column 5, which is far away from the fixed column 4, is penetrated with a drain pipe 7 and is fixedly connected with a plunger 8; one side of the plunger 8 may be provided with a connection plate 9, and one end of the traction member, such as the traction rope 6, penetrates through one end of the connection plate 9 away from the plunger 8, and one end of the traction rope 6 away from the connection plate 9 is fixedly connected with a buoyancy ball 10.

Obviously, the connection plate 9 may not be provided on one side of the plunger 8, and a traction member such as the traction rope 6 may be directly connected to the plunger 8.

The top of the plunger 8 is integrally connected with a sealing ring 11, and the sealing ring 11 corresponds to the inner diameter of the drain pipe 7 in size; the fixed column 4 can be fixedly connected with the check ring 12 at the end far away from the mounting plate 3, the movable column 5 can be fixedly connected with the baffle 13 at the end far away from the plunger 8, and the baffle 13 is attached to the check ring 12.

The elastic component specifically can be pressure spring 14, the both ends of pressure spring 14 respectively with fixed column 4 inner chamber wall and baffle 13 butt, because buoyancy ball 10 can upwards move along with the rising of surface of water for hollow inflatable ball, and then upwards remove by the plunger 8 of the ascending buoyancy pulling connecting plate 9 one side of buoyancy ball 10, make the baffle 13 at movable column 5 top extrude pressure spring 14, sealing washer 11 and plunger 8 can laminate in the bottom of drain pipe 7 simultaneously, make the sea water no longer follow the intaking of drain pipe 7 bottom.

The center of the inner box 2 is fixedly connected with a placing table 15 for installing a storage battery, a heat dissipation piece 16 can be arranged on the top wall of the inner cavity of the inner box 2, an air outlet of the heat dissipation piece 16 is opposite to the placing table 15, an adjustable shutter 17 is arranged on one side of the protective box body 1, and two opposite detachable sealing plates 18 can be arranged on the top of the protective box body 1.

The working principle provided by the utility model is as follows:

when the sea water rises and enters the inside of the protective box body 1 through the adjustable louver 17, the water surface rises, the buoyancy ball 10 moves upwards along with the rising of the water surface, the plunger 8 on one side of the connecting plate 9 is pulled upwards by the upward buoyancy of the buoyancy ball 10, the baffle 13 on the top of the movable column 5 presses the pressure spring 14, meanwhile, the sealing ring 11 and the plunger 8 can be attached to the bottom of the water discharging pipe 7, sea water does not enter the inside of the inner box 2 when the heat dissipation ports on two sides of the inner box 2 are higher than the water surface, even if a small amount of sea water enters the inner box 2, the installation height of the storage battery pack is higher than the bottom wall of the inner box 2 through the arrangement of the placing table 15, the buoyancy ball 10 descends along with the rising of the sea water, the movable column 5 can be driven to reset through the rebound force of the pressure spring 14, at the moment, the sealing ring 11 and the plunger 8 are far away from the water discharging pipe 7, the sea water in the inner cavity of the inner box 2 can flow out of the device along the water discharging pipe 7, the effect of self-draining can be realized through the adjustable louver 17, and the damage of parts inside the storage battery is prevented to a certain extent when the storage battery is immersed.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The protection device for the energy storage component of the wind driven generator provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The protection device for the energy storage component of the wind driven generator is characterized by comprising a protection box body (1) and a placement inner box (2) fixedly connected with the protection box body and used for storing a storage battery pack, wherein a self-drainage assembly is arranged at the bottom of the placement inner box (2);

the self-drainage assembly comprises a mounting plate (3) fixedly connected to the inner side wall of the inner placing box (2), a fixed column (4) fixedly connected to the bottom of the mounting plate (3), and a movable column (5) with the top end vertically movably inserted into the inner cavity of the fixed column (4); the bottom of the inner placing box (2) is provided with a drain pipe (7), and the bottom end of the movable column (5) penetrates through the drain pipe (7) and is fixedly connected with a plunger (8);

the plunger (8) is connected with the buoyancy ball (10) through a traction component; when the movable column (5) is positioned at the upper end of the stroke, the plunger (8) is used for blocking the bottom opening of the drain pipe (7), and when the movable column (5) is positioned at the lower end of the stroke, the plunger (8) is separated from the bottom opening of the drain pipe (7).

2. The protection device for energy storage components of a wind driven generator according to claim 1, wherein two self-draining assemblies are oppositely arranged at the bottom of the inner placing box (2).

3. The protection device of an energy storage component of a wind driven generator according to claim 1 or 2, wherein an elastic member for applying a downward force to the movable column (5) is further arranged between the fixed column (4) and the movable column (5).

4. A protection device for an energy storage component of a wind power generator according to claim 3, characterized in that a connecting plate (9) is fixedly arranged on one side of the plunger (8); the traction component is a traction rope (6), one end of the traction rope is connected with the connecting plate (9), and the other end of the traction rope is fixedly connected with the buoyancy ball (10).

5. A protection device for an energy storage component of a wind power generator according to claim 3, characterised in that the top of the plunger (8) is integrally provided with a sealing ring (11) dimensioned to fit the bottom opening of the drain pipe (7).

6. The protection device of the energy storage component of the wind driven generator according to claim 5, wherein a retaining ring (12) is arranged at one end of the fixed column (4) far away from the mounting plate (3), and a baffle (13) matched with the retaining ring (12) is arranged at one end of the movable column (5) far away from the plunger (8).

7. The protection device of the energy storage component of the wind driven generator according to claim 6, wherein the elastic piece is a pressure spring (14), and two ends of the pressure spring (14) are respectively abutted with the inner cavity wall of the fixed column (4) and the baffle plate (13).

8. A protection device for an energy storage component of a wind driven generator according to claim 3, wherein a placement table (15) for installing a storage battery is fixedly connected to the center of the placement inner box (2), a heat dissipation piece (16) is arranged on the top wall of an inner cavity of the placement inner box (2), and an air outlet of the heat dissipation piece (16) is opposite to the placement table (15).

9. A protection device for energy storage components of a wind power generator according to claim 3, characterized in that one side of the protection box (1) is provided with an adjustable shutter (17).

10. The protection device for energy storage components of a wind power generator according to claim 9, wherein two detachable sealing plates (18) are oppositely arranged at the top of the protection box body (1).