CN219552606U

CN219552606U - High-voltage ride through test equipment for wind generating set

Info

Publication number: CN219552606U
Application number: CN202320133596.7U
Authority: CN
Inventors: 王蕊
Original assignee: Tianjin Fanya Yuanhua New Energy Co ltd
Current assignee: Tianjin Fanya Yuanhua New Energy Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-08-18
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to the technical field of wind driven generators, in particular to high-voltage ride-through test equipment for a wind driven generator set, which comprises a test box body, wherein two groups of connecting wires are fixedly connected to the side surface of the test box body, the other end of each connecting wire is provided with a fixed box body, both sides of each fixed box body are provided with threading through holes, a fixing mechanism is arranged in each fixed box body and mainly comprises a first fixing plate, a second fixing plate, a first connecting plate and a second connecting plate, the second connecting plate is connected with the connecting wires, the lower part of the second connecting plate is fixedly connected with the second fixing plate, and the upper part of the first connecting plate is fixedly connected with the first fixing plate.

Description

High-voltage ride through test equipment for wind generating set

Technical Field

The utility model relates to the technical field of wind driven generators, in particular to high-voltage ride through test equipment for a wind generating set.

Background

As the proportion of wind power generation in the power system is larger and larger, the influence of the wind power generation system on the power grid cannot be ignored. Particularly for a mode of large-scale centralized access of Chinese wind power, once a power grid fails and causes the voltage of a fan port (voltage at a machine end) to be higher than a certain limit value, a wind turbine generator can automatically get off the grid, so that fluctuation of the voltage and the frequency of the power grid is caused, the safe and stable operation of the power grid is seriously affected, the existing high-voltage ride-through testing device for the wind turbine generator adopts a current transformer constructed by power electronic devices, the current transformer consists of a rectifier, a direct-current link and an inverter, the current transformer is connected in series between the power grid and the wind turbine generator to be tested, and the output voltage of the inversion side of the current transformer is changed by controlling the on-off of the power electronic devices, so that the simulation test of faults of different voltage grades of the wind turbine generator to be tested is realized.

The existing test equipment is simpler at the connected position, lacks a fixing mechanism, and is easy to fall off at the connected position in the detection process, so that safety accidents are easy to be caused, and the problem that the test precision is deviated due to the fact that the contact is not tight easily occurs in the test process.

In view of the above, we propose a wind turbine generator system high voltage ride through test device.

Disclosure of Invention

In order to make up for the defects, the utility model provides high-voltage ride through test equipment for a wind generating set.

The technical scheme of the utility model is as follows:

the utility model provides a wind generating set high voltage passes through test equipment, includes the test box, two sets of connecting wire of side fixedly connected with of test box, the other end of connecting wire all is provided with fixed box, the threading through-hole has all been seted up to the both sides of fixed box, the inside of fixed box is provided with fixed establishment, and fixed establishment mainly includes first fixed plate, second fixed plate, first connecting plate and second connecting plate, the second connecting plate with connecting wire is connected, the below of second connecting plate with second fixed plate fixed connection, the top of first connecting plate with first fixed plate fixed connection.

As the preferable technical scheme, the inside of first connecting plate is offered the screw hole, and the inside threaded connection of screw hole has accurate screw rod, accurate screw rod's upper end with fixed box body rotates to be connected, accurate screw rod's top fixedly connected with adjustment carousel.

As the preferable technical scheme, the lower part of the first connecting plate is fixedly connected with a lug, and the upper part of the second connecting plate is provided with a groove.

As the preferable technical scheme, the both sides of first fixed plate are all fixedly connected with first splint, the both sides of second fixed plate are all fixedly connected with second splint, first splint with the inboard of second splint is all fixedly connected with fixed latch.

As the preferable technical scheme, two groups of first fixed racks are fixedly connected to the lower portion of the first clamping plate, a second fixed rack is fixedly connected to the upper portion of the second clamping plate, a rotating gear is arranged between the second fixed rack and the first fixed rack on the same side, the second fixed rack and the first fixed rack on the same side are connected with the rotating gear in a meshed mode, and the rotating gear is connected with the side wall of the fixed box body in a rotating mode.

As the preferable technical scheme, four groups of positioning slide bars are fixedly connected in the fixed box body, and the positioning slide bars are in sliding connection with the first fixed plate and the second fixed plate.

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

1. according to the utility model, two groups of connecting wires are fixedly connected to the side surface of the test box body, the other ends of the connecting wires are provided with the fixing box bodies, the two sides of the fixing box bodies are provided with the threading through holes, the fixing mechanism is arranged in the fixing box bodies, and the connecting wires are fixed through the fixing mechanism, so that the beneficial effects of improving the connection strength of the connecting parts of the wires and improving the use safety of the test equipment are achieved, and the problems that the existing test equipment is simpler in connecting parts, lacks the fixing mechanism, and is easy to fall off at the connecting parts in the detection process, so that safety accidents are easy to be caused are solved.

2. The utility model mainly comprises a first fixing plate, a second fixing plate, a first connecting plate and a second connecting plate, wherein the second connecting plate is connected with the connecting wire, and is tightly connected with the wire body through the first connecting plate and the second connecting plate in the use process, so that the beneficial effect of the detection precision of the test equipment is improved, and the problem that the test precision is deviated due to the fact that the contact is not tight in the test process is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a fixing mechanism according to the present utility model;

FIG. 3 is a schematic view of a first clamping plate according to the present utility model;

fig. 4 is a schematic view of a first fixing plate structure according to the present utility model.

In the figure: 1. a test box; 11. connecting wires; 12. fixing the box body; 13. a threading through hole; 2. a first fixing plate; 21. a second fixing plate; 22. positioning a slide bar; 23. a first clamping plate; 24. a first fixed rack; 25. a second fixed rack; 26. rotating the gear; 27. a second clamping plate; 28. fixing the latch; 3. a first connection plate; 31. a precision screw; 32. adjusting a turntable; 33. a bump; 34. a second connecting plate; 35. a groove.

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.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a wind generating set high voltage passes through test equipment, including test box 1, test box 1's side fixedly connected with two sets of connecting wire 11, connecting wire 11's the other end all is provided with fixed box body 12, threading through-hole 13 has all been seted up to fixed box body 12's both sides, fixed box body 12's inside is provided with fixed establishment, fixed establishment mainly includes first fixed plate 2, second fixed plate 21, first connecting plate 3 and second connecting plate 34, second connecting plate 34 is connected with connecting wire 11, second connecting plate 34's below and second fixed plate 21 fixed connection, first connecting plate 3's top and first fixed plate 2 fixed connection, threaded hole is seted up to first connecting plate 3's inside, threaded hole's internal thread connection has accurate screw 31, accurate screw 31's upper end and fixed box body 12 rotate and be connected, accurate screw 31's top fixedly connected with adjustment carousel 32, first connecting plate 3's below fixedly connected with lug 33, recess 35 has been seted up to second connecting plate 34's top.

To be added, in the use process, the connected wire body passes through the threading through hole 13, the exposed position of the wire is erected above the second connecting plate 34, the rotating adjusting turntable 32 drives the precise screw 31 to rotate, the precise screw 31 pushes the first fixing plate 2 downwards, the first connecting plate 3 is driven to be pressed downwards, and the wire is in tight contact with the second connecting plate 34.

As a preference of this embodiment, the two sides of the first fixing plate 2 are fixedly connected with the first clamping plate 23, the two sides of the second fixing plate 21 are fixedly connected with the second clamping plate 27, the inner sides of the first clamping plate 23 and the second clamping plate 27 are fixedly connected with the fixed clamping teeth 28, the lower part of the first clamping plate 23 is fixedly connected with two groups of first fixing racks 24, the upper part of the second clamping plate 27 is fixedly connected with the second fixing racks 25, a rotating gear 26 is arranged between the second fixing racks 25 on the same side and the first fixing racks 24, the second fixing racks 25 on the same side and the first fixing racks 24 are in meshed connection with the rotating gear 26 on the same side, the rotating gear 26 is in rotating connection with the side wall of the fixed box 12, the inner part of the fixed box 12 is fixedly connected with four groups of positioning slide bars 22, and the positioning slide bars 22 are in sliding connection with the first fixing plate 2 and the second fixing plate 21.

It is worth noting that the inner parts of the first clamping plate 23 and the second clamping plate 27 are provided with sliding grooves, the first fixed rack 24 and the second fixed rack 25 slide up and down in the sliding grooves, the first clamping plate 23 on two sides can be driven to move downwards by the first fixed plate 2 in the process of pushing the first clamping plate 2 downwards by the precise screw 31, meanwhile, the first clamping plate 23 can drive the first fixed rack 24 to slide downwards, meanwhile, the rotating gear 26 is driven to rotate, then the rotating gear 26 can drive the second fixed rack 25 to slide upwards, the second clamping plate 27 is driven to move upwards, the wire body is clamped and fixed by being matched with the first clamping plate 23, the connection strength of the wire body connection part is improved, and the use safety of the testing equipment is improved.

When the high-voltage ride through test equipment for the wind generating set is used, firstly, a connected wire body passes through the threading through hole 13, the exposed position of the wire is erected above the second connecting plate 34, the rotating adjusting turntable 32 drives the precise screw 31 to rotate, the precise screw 31 pushes the first fixing plate 2 downwards to drive the first connecting plate 3 to press downwards, the wire is tightly contacted with the second connecting plate 34, the tightness of the wire body connection is improved, meanwhile, the first fixing plate 2 drives the first clamping plates 23 on two sides to move downwards, meanwhile, the first clamping plates 23 drive the first fixing racks 24 to slide downwards, meanwhile, the rotating gear 26 is driven to rotate, then the rotating gear 26 drives the second fixing racks 25 to slide upwards, the second clamping plates 27 are driven to move upwards, the wire body is clamped and fixed in a matched mode, the connection strength of the wire body is improved, and the use safety of the test equipment is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and 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 wind generating set high voltage passes through test equipment, includes test box (1), its characterized in that: the side fixedly connected with two sets of connecting wire (11) of test box (1), the other end of connecting wire (11) all is provided with fixed box body (12), threading through-hole (13) have all been seted up to the both sides of fixed box body (12), the inside of fixed box body (12) is provided with fixed establishment, and fixed establishment mainly includes first fixed plate (2), second fixed plate (21), first connecting plate (3) and second connecting plate (34), second connecting plate (34) with connecting wire (11) are connected, the below of second connecting plate (34) with second fixed plate (21) fixed connection, the top of first connecting plate (3) with first fixed plate (2) fixed connection.

2. The high voltage ride through test apparatus of a wind turbine generator system of claim 1, wherein: the novel portable electronic device is characterized in that a threaded hole is formed in the first connecting plate (3), a precise screw rod (31) is connected to the threaded hole in a threaded mode, the upper end of the precise screw rod (31) is connected with the fixed box body (12) in a rotating mode, and an adjusting rotary table (32) is fixedly connected to the upper portion of the precise screw rod (31).

3. The high voltage ride through test apparatus of a wind turbine generator system of claim 1, wherein: the lower part of the first connecting plate (3) is fixedly connected with a convex block (33), and the upper part of the second connecting plate (34) is provided with a groove (35).

4. The high voltage ride through test apparatus of a wind turbine generator system of claim 1, wherein: the two sides of the first fixing plate (2) are fixedly connected with a first clamping plate (23), the two sides of the second fixing plate (21) are fixedly connected with a second clamping plate (27), and the inner sides of the first clamping plate (23) and the second clamping plate (27) are fixedly connected with fixed clamping teeth (28).

5. The high voltage ride through test apparatus for a wind turbine generator set of claim 4, wherein: two sets of first fixed racks (24) are fixedly connected with the below of first splint (23), the top fixedly connected with second fixed rack (25) of second splint (27), homonymy second fixed rack (25) with be provided with between first fixed rack (24) and rotate gear (26), homonymy second fixed rack (25) with first fixed rack (24) all with homonymy rotate gear (26) meshing connection, rotate gear (26) with the lateral wall of fixed box body (12) rotates and is connected.

6. The high voltage ride through test apparatus of a wind turbine generator system of claim 1, wherein: four groups of positioning slide bars (22) are fixedly connected to the inside of the fixed box body (12), and the positioning slide bars (22) are in sliding connection with the first fixed plate (2) and the second fixed plate (21).