CN217881039U

CN217881039U - Wind turbine generator system tower footing dry-type transformer protector

Info

Publication number: CN217881039U
Application number: CN202221034970.XU
Authority: CN
Inventors: 李轩; 柳青; 宋满志; 隋润鹏; 柴晓帅; 赵广波; 范浩; 郝海龙; 范正训
Original assignee: Huaneng Rongcheng Wind Power Co ltd
Current assignee: Huaneng Rongcheng Wind Power Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-11-22
Anticipated expiration: 2032-04-30

Abstract

The utility model discloses a wind turbine generator system tower footing dry-type transformer protector, which comprises a protection component, wherein the protection component comprises a first protection plate and a second protection plate which is rotatably connected to one side of the first protection plate; and the adjusting assembly is arranged between the first protection plate and the second protection plate and adjusts the rotation angle between the first protection plate and the second protection plate. The protection device is arranged at the top of the transformer, so that the protection effect of magazine falling can be achieved on the premise that the louver is guaranteed to dissipate heat.

Description

Wind turbine generator system tower footing dry-type transformer protector

Technical Field

The utility model belongs to the technical field of wind power generation and specifically relates to a wind turbine generator system tower footing dry-type transformer protector.

Background

The tower footing dry-type transformer is a key component for converting 690V voltage into 400V voltage required by the normal operation of the wind turbine generator, and is an important component for the safe operation of the wind turbine generator. The top of the tower base is provided with a complex frequency converter system, a power cabinet, a grid-connected cabinet and a control cabinet, and the components are numerous.

And because equipment such as power cabinet self generate heat comparatively seriously, so the top of transformer need be provided with the shutter in order to guarantee inside normal heat dissipation.

However, when the wind turbine generator is in daily operation and maintenance, foreign matters such as cooling liquid of the frequency converter, maintenance tools and metal parts are easy to fall on the louver and enter the dry-type transformer, insulation materials are damaged, the problems of turn-to-turn short circuit and the like of the transformer are caused, and even the transformer is damaged, so that the wind turbine generator is out of operation due to faults.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of the embodiments of the application and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the application title of the application may be simplified or omitted to avoid obscuring the purpose of this section, the abstract and the application title, and such simplifications or omissions are not intended to limit the scope of the application.

The present application has been made in view of the above and/or other problems occurring in the prior art.

Therefore, the technical problem to be solved by the application is: how to reduce the possibility that sundries enter the transformer through the shutter.

In order to solve the technical problem, the application provides the following technical scheme: a wind turbine tower footing dry-type transformer protection device comprises,

the protection assembly comprises a first protection plate and a second protection plate which is rotatably connected to one side of the first protection plate;

and the adjusting assembly is arranged between the first protection plate and the second protection plate and adjusts the rotation angle between the first protection plate and the second protection plate.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the length direction fixedly connected with axis of rotation of first guard plate is followed to one side of first guard plate, the length direction fixedly connected with rotating sleeve of second guard plate is followed to one side of second guard plate, axis of rotation and rotating sleeve normal running fit, adjusting part sets up on axis of rotation and rotating sleeve.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the adjusting assembly comprises a limiting gear fixedly connected to the rotating shaft, a limiting rack is slidably mounted on the rotating sleeve, and the limiting rack is meshed with the limiting gear.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the sliding device is characterized in that a sliding base is fixedly connected to the outer side wall of the rotating sleeve, a T-shaped groove is formed in the sliding base along the length direction of the sliding base, a connecting block matched with the T-shaped groove is connected to the limiting rack, and a positioning piece is further arranged on the sliding base.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the positioning groove communicated with the T-shaped groove is formed in the sliding base, the positioning piece comprises a positioning spring arranged in the positioning groove, a positioning block is fixedly connected to the positioning spring and is in sliding fit with the positioning groove, a positioning hole is formed in the connecting block, and the positioning block is clamped with the positioning hole.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the upper fixed connection of connecting block has the handle.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: the one end of first guard plate still rotates and is connected with first connecting rod, the same one end of second guard plate rotates and is connected with the second connecting rod, first connecting rod and second connecting rod rotate and link to each other, be provided with the locking piece between first connecting rod and the second connecting rod.

As an optimal scheme of the wind turbine tower footing dry-type transformer protection device, the wind turbine tower footing dry-type transformer protection device comprises the following steps: the locking piece comprises a locking bolt, the locking bolt penetrates through the first connecting rod and the second connecting rod, and a locking nut is connected to the locking bolt in a threaded mode.

As an optimal scheme of the wind turbine tower footing dry-type transformer protection device, the wind turbine tower footing dry-type transformer protection device comprises the following steps: the equal fixedly connected with arc supporting part in one side that first guard plate and second guard plate kept away from each other.

As an optimal scheme of the wind turbine generator tower footing dry-type transformer protection device, wherein: a plurality of draw-in grooves have all been seted up to first guard plate and the relative one side of second guard plate, the draw-in groove sets up along the length direction of first guard plate and second guard plate.

The beneficial effect of this application: the protection device is arranged at the top of the transformer, so that the protection effect of magazine falling can be achieved on the premise that the louver is guaranteed to dissipate heat.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without inventive labor. Wherein:

fig. 1 is a schematic overall structural diagram of a dry-type transformer protection device for a wind turbine tower footing according to an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a cross-sectional view of an adjusting assembly in a dry-type transformer protector for a tower footing of a wind turbine generator according to an embodiment of the present disclosure;

fig. 4 is a schematic overall structural diagram of a dry-type transformer protector for a wind turbine tower footing according to an embodiment of the present application;

fig. 5 is an enlarged view of a portion B in fig. 4.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.

Next, the present application will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present application, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the present application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, the embodiment provides a wind turbine tower footing dry-type transformer protection device, which includes a protection assembly, where the protection assembly includes a first protection plate 101 and a second protection plate 102. One side of the first protection plate 101 is fixedly connected with a rotation shaft 103 along the length direction of the first protection plate 101, one side of the second protection plate 102 is fixedly connected with a rotation sleeve 104 along the length direction of the second protection plate 102, and the rotation shaft 103 is in rotating fit with the rotation sleeve 104.

The rotating shaft 103 and the rotating sleeve 104 are further provided with an adjusting assembly 200, the adjusting assembly 200 comprises a sliding base 203 fixedly connected to the outer side wall of the rotating sleeve 104, a T-shaped groove 203a is formed in the sliding base 203 along the length direction of the sliding base 203, a connecting block 204 matched with the T-shaped groove 203a in a sliding connection mode, and the sliding base 203 is further provided with a positioning piece 205.

The slide base 203 is provided with a positioning groove 205a communicated with the T-shaped groove 203a, the positioning element 205 comprises a positioning spring 205b arranged in the positioning groove 205a, the positioning spring 205b is fixedly connected with a positioning block 205c, the positioning block 205c is in sliding fit with the positioning groove 205a, the connecting block 204 is provided with a positioning hole 205d, and the positioning block 205c is clamped with the positioning hole 205 d. When the connecting block 204 slides to a specific position, the positioning spring 205b in the positioning groove 205a pushes out the positioning block 205c, so that the positioning block 205c is engaged with the positioning hole 205d, thereby fixing the connecting block 204.

The connecting block 204 is fixedly connected with a limiting rack 202, the rotating shaft 103 is fixedly connected with a limiting gear 201, and the limiting gear 201 is meshed with the limiting rack 202. After the first protection plate 101 and the second protection plate 102 rotate to a designated angle, the sliding connection block 204 enables the positioning block 205c to be clamped with the positioning hole 205d, and meanwhile, the limiting rack 202 is meshed with the limiting gear 201, so that the locking of the angle between the first protection plate 101 and the second protection plate 102 is realized. The adjustment of angle can promote protector's suitability for this protector can be applicable to the equipment of different models size.

After the angle adjustment is completed, the protection device is placed on the transformer, so that the top of the transformer is protected.

Example 2

Referring to fig. 4 to 5, the present embodiment is different from embodiment 1 in that a first link 105 is further rotatably connected to one end of the first shielding plate 101, a second link 106 is rotatably connected to the same end of the second shielding plate 102, the first link 105 and the second link 106 are rotatably connected, and a locking member is disposed between the first link 105 and the second link 106.

The locking member includes a locking bolt 107, the locking bolt 107 passes through the first link 105 and the second link 106, and a locking nut 108 is threadedly coupled to the locking bolt 107. By the first and

second links

105 and 106, stability between the first and

second guard plates

101 and 102 may be improved.

Example 3

Referring to fig. 1, the present embodiment is different from embodiment 2 in that an arc support portion 109 is fixedly connected to both sides of the first shield plate 101 and the second shield plate 102 away from each other. Three clamping grooves 110 are formed in one side, opposite to the first protection plate 101 and the second protection plate 102, of the first protection plate 101, and the clamping grooves 110 are formed in the length direction of the first protection plate 101 and the length direction of the second protection plate 102. Through the arrangement of the supporting portion 109 and the card slot 110, the protection device can be stably installed on the top of the transformer, thereby improving the stability of the device.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present application. Therefore, the present application is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the application, or those unrelated to enabling the application).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, which should be covered by the claims of the present application.

Claims

1. The utility model provides a wind turbine generator system tower footing dry-type transformer protector which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the protection assembly comprises a first protection plate (101) and a second protection plate (102) rotatably connected to one side of the first protection plate (101);

the adjusting assembly (200) is arranged between the first protection plate (101) and the second protection plate (102) and is used for adjusting the rotating angle between the first protection plate (101) and the second protection plate (102).

2. The wind turbine tower footing dry-type transformer protector of claim 1, wherein: one side of first guard plate (101) is along length direction fixedly connected with axis of rotation (103) of first guard plate (101), length direction fixedly connected with rotating sleeve (104) of second guard plate (102) is followed to one side of second guard plate (102), axis of rotation (103) and rotating sleeve (104) normal running fit, adjusting part (200) sets up on axis of rotation (103) and rotating sleeve (104).

3. The wind turbine tower footing dry-type transformer protector of claim 2, wherein: adjusting part (200) are including fixed connection in limit gear (201) on axis of rotation (103), slidable mounting has spacing rack (202) on rotating sleeve (104), spacing rack (202) mesh with limit gear (201) mutually.

4. The wind turbine tower footing dry-type transformer protector of claim 3, wherein: the outer side wall of the rotating sleeve (104) is fixedly connected with a sliding base (203), a T-shaped groove (203 a) is formed in the sliding base (203) along the length direction of the sliding base (203), a connecting block (204) matched with the T-shaped groove (203 a) is connected to the limiting rack (202), and a positioning piece (205) is further arranged on the sliding base (203).

5. The wind turbine tower footing dry-type transformer protector of claim 4, wherein: set up constant head tank (205 a) that is linked together with T-slot (203 a) on slide bracket (203), setting element (205) is including setting up positioning spring (205 b) in constant head tank (205 a), fixedly connected with locating piece (205 c) on positioning spring (205 b), locating piece (205 c) and constant head tank (205 a) sliding fit, locating hole (205 d) have been seted up on connecting block (204), locating piece (205 c) and locating hole (205 d) block mutually.

6. The wind turbine tower footing dry-type transformer protection device of claim 4 or 5, wherein: and a handle (206) is fixedly connected to the connecting block (204).

7. The wind turbine tower footing dry-type transformer protector of any one of claims 1-5, wherein: the one end of first guard plate (101) still rotates and is connected with first connecting rod (105), the same end rotation of second guard plate (102) is connected with second connecting rod (106), first connecting rod (105) and second connecting rod (106) rotate and link to each other, be provided with the locking piece between first connecting rod (105) and second connecting rod (106).

8. The wind turbine tower footing dry-type transformer protector of claim 7, wherein: the locking piece comprises a locking bolt (107), the locking bolt (107) penetrates through the first connecting rod (105) and the second connecting rod (106), and a locking nut (108) is connected to the locking bolt (107) in a threaded mode.

9. The wind turbine tower footing dry-type transformer protector of claim 8, wherein: the first protection plate (101) and the second protection plate (102) are fixedly connected with arc-shaped supporting parts (109) on the sides far away from each other.

10. The wind turbine tower footing dry-type transformer protector of claim 8 or 9, wherein: a plurality of draw-in grooves (110) have all been seted up to first guard plate (101) and the relative one side of second guard plate (102), draw-in groove (110) set up along the length direction of first guard plate (101) and second guard plate (102).