CN218243322U

CN218243322U - Wind power module and wind power system

Info

Publication number: CN218243322U
Application number: CN202222142411.7U
Authority: CN
Inventors: 张大为; 姜长伟; 金传山; 袁磊
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-06
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a wind-powered electricity generation module and wind-powered electricity generation system relates to wind-powered electricity generation technical field. The wind power module comprises a fixed plate, a power module, a cover body and a sealing part, wherein the power module is installed on the fixed plate, the cover body covers the power module, the sealing part is located between the fixed plate and the cover body, and the fixed plate and the cover body are abutted to the sealing part so that the functional module is isolated from other parts. This wind-powered electricity generation module is through adding sealing, avoids the comdenstion water contact that power module and other spare parts produced, has prolonged the life of wind-powered electricity generation module to the reliability of wind-powered electricity generation module has been improved. The wind power system reduces the maintenance cost and maintains the stability of the operation condition by applying the wind power module.

Description

Wind power module and wind power system

Technical Field

The utility model relates to a wind-powered electricity generation technical field especially relates to a wind-powered electricity generation module and wind-powered electricity generation system.

Background

The wind power module is a key device in a wind power system, and is a core component for realizing variable speed and constant frequency and converting wind energy into usable electric energy in the wind power system. The wind power module comprises a bus capacitor module and a power module, and the bus capacitor module is connected with the power module and is positioned above the power module. Because wind power system is in comparatively abominable environment usually (for example the desert, mountain top this kind of temperature difference is big round clock, the environment of high damp and hot), in addition wind power system often can appear the short time shutdown state because of the environment, and then lead to generating the condensate water easily after shutting down in bus capacitor module, the condensate water can drop on the power module under the effect of gravity, produce the short circuit condition because of the condensate water easily when the power module restarts, not only cause the incident easily, still can influence wind power system's maintenance cost and operation condition.

Therefore, in the prior art, the heater or the dehumidifier is added to evaporate or absorb the condensed water in the wind power module, so that the power module is prevented from being damaged by the condensed water, the space of the whole wind power module is required to be enlarged to accommodate the heater or the dehumidifier, the manufacturing cost is increased, and the heat dissipation difficulty of the whole wind power module is increased because the whole wind power module is of a sealing structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of them aim at provides a wind-powered electricity generation module, through adding the sealing, avoids the comdenstion water contact that power module and shut down back busbar capacitance module produced, has prolonged the life of wind-powered electricity generation module to the reliability of wind-powered electricity generation module has been improved.

For realizing the above technical effect, the technical scheme of the utility model as follows:

a wind power module comprising:

a fixing plate;

a power module mounted on the fixing plate;

the cover body covers the power module;

the sealing part is positioned between the fixed plate and the cover body, and the fixed plate and the cover body are abutted against the sealing part so that the power module is isolated from other parts.

As an alternative of the wind power module, the wind power module further comprises a bus capacitor module, the bus capacitor module is arranged on the fixing plate, the sealing portion comprises a first sealing element and a second sealing element, the first sealing element is arranged at the joint of the cover body and the bus capacitor module, and the second sealing element is arranged at the joint of the bus capacitor module and the fixing plate.

As an alternative of the wind power module, the bus capacitor module comprises a bus bar and a plurality of capacitors, the capacitor matrix is arranged on the fixing plate, the bus bar is connected with each capacitor, the capacitors are located between the bus bar and the fixing plate, the first sealing element is arranged at the joint of the bus bar and the cover body, and the second sealing element is arranged at the joint of the bus bar and the fixing plate.

As an alternative scheme of a wind power module, the first sealing member includes first elastic part, first kink and second elastic part that connect gradually, first elastic part with the surface energy that is close to mutually of second elastic part respectively with the inner wall and the outer wall butt of the cover body, first kink can with female arranging keeps away from the surface butt of electric capacity.

As an alternative of the wind power module, the first elastic portion and the second elastic portion are obliquely disposed such that a distance between the first elastic portion and the second elastic portion in a width direction thereof becomes gradually smaller.

As an alternative of wind-powered electricity generation module, the fixed plate is including mounting panel and the insulation board that is connected, generating line electric capacity module sets up on the mounting panel, power module installs on the insulation board, the second sealing member is including the third elasticity portion, second kink and the fourth elasticity portion that connect gradually, the third elasticity portion with the surface energy that is close to mutually of fourth elasticity portion respectively with the inner wall and the outer wall butt of insulation board, the second kink can with female arranging is close to the surface butt of electric capacity.

As an alternative of the wind power module, the third elastic portion and the fourth elastic portion are obliquely disposed such that a distance between the third elastic portion and the fourth elastic portion in a width direction thereof gradually becomes smaller.

As an alternative to the wind power module, the cover body is provided with a collecting trough for collecting condensate dripping on the sealing portion.

As an alternative to the wind power module, the thickness of the first sealing member of the sealing portion is gradually reduced along the length direction thereof, and the collecting groove is communicated with one end of the first sealing member where the thickness is minimum.

The beneficial effects of the utility model are that: the utility model provides a wind-powered electricity generation module makes through adding the sealing and seals between the cover body and the fixed plate to make power module and other spare parts isolated, and then make the comdenstion water that other spare parts produced of wind-powered electricity generation module after shutting down can not enter into power module, guaranteed power module's life and the security that wind-powered electricity generation module used, reduced wind-powered electricity generation system's maintenance cost and maintained the stability of its operation condition. In addition, because the wind power module can produce heat itself when the operation to can evaporate the comdenstion water that drops on the sealing, also need not to increase heater or dehumidifier, greatly reduced the manufacturing cost of wind power module.

Another object of the utility model is to provide a wind power system, through using foretell wind-powered electricity generation module, reduced wind power system's maintenance cost and maintained the stability of its operation condition.

a wind power system comprises the wind power module.

The utility model has the advantages that: the utility model provides a wind power system through using foretell wind-powered electricity generation module, has reduced wind power system's maintenance cost and has maintained the stability of its operation condition.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is an exploded view of a wind power module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wind power module according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion A of FIG. 2;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 3;

fig. 5 is a partially enlarged structural view at C in fig. 3.

Reference numerals:

1. a fixing plate; 11. mounting a plate; 12. an insulating plate;

2. a bus capacitor module; 21. a busbar; 22. a capacitor;

3. a power module; 4. a cover body;

5. a sealing part; 51. a first seal member; 511. a first elastic portion; 512. a first bent portion; 513. a second elastic part; 52. a second seal member; 521. a third elastic part; 522. a second bent portion; 523. a fourth elastic part;

6. a heating module; 7. a heat sink.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. Wherein the terms "first position" and "second position" are two different positions.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a wind power system, which includes a wind power module, and the wind power module can ensure that the wind power system realizes variable speed and constant frequency and converts wind energy into usable electric energy.

Specifically, as shown in fig. 1, the wind power module includes a fixing plate 1, a bus capacitor module 2 and a power module 3, the bus capacitor module 2 and the power module 3 are connected and are both installed on the fixing plate 1, and the bus capacitor module 2 is located above the power module 3. Because wind power system is in comparatively abominable environment usually (for example the desert, mountain top this kind of temperature difference is big round clock, the environment of high damp and hot), in addition wind power system often can appear the short time shutdown state because of the environment, and then lead to generating the condensate water easily after shutting down bus capacitor module 2, the condensate water can drop on power module 3 under the effect of gravity, produce the short circuit condition because of the condensate water easily when power module 3 restarts, not only cause the incident easily, still can influence wind power system's maintenance cost and operational aspect.

For solving the above problem, as shown in fig. 1, the wind power module in this embodiment further includes a cover 4 and a sealing portion 5, the cover 4 covers the power module 3, the sealing portion 5 is located between the fixing plate 1 and the cover 4, and the fixing plate 1 and the cover 4 are both abutted to the sealing portion 5, so that the power module 3 is isolated from the bus capacitor module 2.

It can be understood that the condensation water that the wind power module produced at the bus capacitor module 2 after shutting down drips on sealing 5 to avoid the contact of power module 3 and condensation water, guaranteed the security that power module 3's life and wind power module used, reduced wind power system's maintenance cost and maintained the stability of its operation condition. In addition, because the wind power module can itself produce heat when the operation to can evaporate the comdenstion water that drops on sealing 5, also need not to increase heater or dehumidifier, greatly reduced the manufacturing cost of wind power module. This wind-powered electricity generation module is through adding sealing 5, avoids the comdenstion water contact that power module 3 and shut down back bus capacitor module 2 produced, has prolonged the life of wind-powered electricity generation module to the reliability of wind-powered electricity generation module has been improved.

Optionally, the cover body 4 is made of a transparent PC material, so that the visualization of the power module 3 is improved, and the reliability of the whole wind power module is ensured.

In the present embodiment, as shown in fig. 1 to 5, the sealing part 5 includes a first sealing member 51 and a second sealing member 52, the first sealing member 51 is disposed at the connection between the cover 4 and the bus capacitor module 2, and the second sealing member 52 is disposed at the connection between the bus capacitor module 2 and the fixing plate 1, so that a sealed cavity is formed between the cover 4 and the fixing plate 1 by the sealing part 5.

Specifically, the bus capacitor module 2 includes a bus bar 21 and a plurality of capacitors 22, the plurality of capacitors 22 are arranged on the fixing plate 1 in a matrix manner, the bus bar 21 is connected with each capacitor 22, the capacitors 22 are located between the bus bar 21 and the fixing plate 1, the first sealing element 51 is arranged at the connection position of the bus bar 21 and the cover 4, and the second sealing element 52 is arranged at the connection position of the bus bar 21 and the fixing plate 1. Namely, the first sealing element 51 is placed at the joint of the busbar 21 and the cover body 4, so that the condensate water generated by cooling after shutdown on the surface of the busbar 21 far away from the capacitor 22 can drip on the power module 3 under the action of gravity, and the second sealing element 52 is arranged at the joint of the busbar 21 and the fixing plate 1, so that the condensate water generated by cooling after shutdown on the surface of the capacitor 22 and the busbar 21 near the capacitor 22 can drip on the power module 3 under the action of gravity.

In this embodiment, as shown in fig. 4, the first sealing element 51 includes a first elastic portion 511, a first bending portion 512, and a second elastic portion 513 connected in sequence, the surfaces of the first elastic portion 511 and the second elastic portion 513 that are close to each other can be abutted against the inner wall and the outer wall of the cover 4, respectively, and the first bending portion 512 can be abutted against the surface of the bus bar 21 that is far from the capacitor 22. The first sealing element 51 and the edge of the cover 4 are clamped by the first elastic part 511 and the second elastic part 513, so that the sealing performance is ensured and the cover is convenient to assemble and disassemble. Exemplarily, the first sealing element 51 is an integrally formed structure, and the first sealing element 51 is made of a rubber material, which has good elastic performance, waterproof performance and anti-slip performance, and can reduce damage to the cover body 4 and the busbar 21 during installation.

Further, the first elastic part 511 and the second elastic part 513 are obliquely disposed such that a distance between the first elastic part 511 and the second elastic part 513 in a width direction thereof is gradually reduced, thereby improving stability of the connection of the first seal 51 and the cover 4.

Optionally, a flow collecting groove is arranged on the cover 4 for collecting condensed water dripping on the sealing part 5, so as to avoid overflow of the condensed water when the condensed water is excessive. Specifically, the thickness of the first elastic portion 511 of the first sealing member 51 is gradually reduced along the length direction thereof, and the drainage groove is communicated with the end of the first sealing member 51 having the smallest thickness, i.e., the condensed water can automatically slide down into the drainage groove on the first elastic portion 511 by the gravity, so as to improve the efficiency of collecting and disposing the condensed water.

As shown in fig. 5, the fixing plate 1 includes a mounting plate 11 and an insulating plate 12 connected to each other, the bus capacitor module 2 is disposed on the mounting plate 11, the power module 3 is mounted on the insulating plate 12, the second sealing member 52 includes a third elastic portion 521, a second bending portion 522, and a fourth elastic portion 523 connected in sequence, the surfaces of the third elastic portion 521 and the fourth elastic portion 523, which are close to each other, can be abutted to the inner wall and the outer wall of the insulating plate 12, respectively, and the second bending portion 522 can be abutted to the surface of the bus bar 21, which is close to the capacitor 22. Namely, the second sealing element 52 is clamped with the edge of the insulating plate 12 through the third elastic part 521 and the fourth elastic part 523, so that the sealing performance is ensured and the assembly and disassembly are convenient. Illustratively, the second sealing element 52 is an integrally molded structure, and the second sealing element 52 is made of a rubber material, which has good elastic properties, waterproof properties and anti-slip properties, and can reduce damage to the insulating plate 12 and the busbar 21 during installation.

Further, the third elastic part 521 and the fourth elastic part 523 are obliquely disposed such that a distance between the third elastic part 521 and the fourth elastic part 523 in a width direction thereof is gradually reduced, thereby improving stability of connection of the second sealing member 52 and the cover 4.

Optionally, the wind power module further includes a heating module 6, and the heating module 6 is installed on the insulating plate 12, and is used for evaporating the condensed water dropping on the second sealing element 52 in time, so as to improve the reliability of the operation of the power module 3.

Further, considering that the power module 3 generates heat during operation, the wind power module further includes a heat sink 7, the heat sink 7 is mounted on the mounting plate 11, and the power module 3 is mounted on the heat sink 7 through an insulating plate 12.

In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and it is to be understood that the present invention is not limited to the above embodiments, but may be modified within the scope of the present invention.

Claims

1. The utility model provides a wind-powered electricity generation module which characterized in that includes:

a fixed plate (1);

a power module (3) mounted on the fixed plate (1);

the cover body (4) covers the power module (3);

the sealing part (5) is located between the fixing plate (1) and the cover body (4), the fixing plate (1) and the cover body (4) are abutted to the sealing part (5), so that the power module (3) is isolated from other parts.

2. The wind power module according to claim 1, characterized in that the wind power module further comprises a bus capacitor module (2), the bus capacitor module (2) is arranged on the fixing plate (1), the sealing portion (5) comprises a first sealing element (51) and a second sealing element (52), the first sealing element (51) is arranged at the joint of the cover body (4) and the bus capacitor module (2), and the second sealing element (52) is arranged at the joint of the bus capacitor module (2) and the fixing plate (1).

3. The wind power module according to claim 2, wherein the bus bar capacitor module (2) comprises a bus bar (21) and a plurality of capacitors (22), the plurality of capacitors (22) are arranged on the fixing plate (1) in a matrix manner, the bus bar (21) is connected with each capacitor (22) and the capacitor (22) is located between the bus bar (21) and the fixing plate (1), the first sealing element (51) is arranged at the joint of the bus bar (21) and the cover body (4), and the second sealing element (52) is arranged at the joint of the bus bar (21) and the fixing plate (1).

4. The wind power module according to claim 3, characterized in that the first sealing element (51) comprises a first elastic part (511), a first bent part (512) and a second elastic part (513) which are connected in sequence, the surfaces of the first elastic part (511) and the second elastic part (513) close to each other can be respectively abutted against the inner wall and the outer wall of the cover body (4), and the first bent part (512) can be abutted against the surface of the bus bar (21) far away from the capacitor (22).

5. The wind power module according to claim 4, characterized in that the first elastic part (511) and the second elastic part (513) are obliquely arranged such that a distance between the first elastic part (511) and the second elastic part (513) in a width direction thereof becomes gradually smaller.

6. The wind power module according to claim 3, wherein the fixing plate (1) comprises a connecting mounting plate (11) and an insulating plate (12), the bus capacitor module (2) is arranged on the mounting plate (11), the power module (3) is arranged on the insulating plate (12), the second sealing element (52) comprises a third elastic part (521), a second bent part (522) and a fourth elastic part (523) which are sequentially connected, the surfaces of the third elastic part (521) and the fourth elastic part (523) which are close to each other can be respectively abutted against the inner wall and the outer wall of the insulating plate (12), and the second bent part (522) can be abutted against the surface of the busbar (21) which is close to the capacitor (22).

7. The wind power module according to claim 6, characterized in that the third elastic part (521) and the fourth elastic part (523) are obliquely arranged such that a distance between the third elastic part (521) and the fourth elastic part (523) in a width direction thereof becomes gradually smaller.

8. A wind power module according to any of claims 2-7, characterised in that the cover (4) is provided with a collecting gutter for collecting condensation dripping on the sealing portion (5).

9. Wind module according to claim 8, characterized in that the thickness of the first sealing element (51) of the sealing portion (5) tapers along its length, the collecting channel communicating with the end of the first sealing element (51) where the thickness is smallest.

10. Wind power system, characterized in that it comprises a wind power module according to any of claims 1-9.