CN219437467U - Bidirectional energy storage converter - Google Patents

Abstract

The utility model relates to the technical field of converters, in particular to a bidirectional energy storage converter which comprises a converter body, wherein a filter box is symmetrically arranged outside the converter body, an air inlet guide plate is arranged on one side, far away from the converter body, of the filter box, and a salt corrosion resistant plate filter is arranged on the inner side of the filter box. According to the utility model, when the offshore wind power generation converter is used, the salt mist in hot and humid air can be effectively filtered by the plate-type filter screen on the salt corrosion resistant plate-type filter screen, so that the smoke air is prevented from entering the converter to cause the electric elements in the converter to be damaged by damp and corrosion, and the stable operation of the converter is further ensured.

Description

Bidirectional energy storage converter

Technical Field

The utility model relates to the technical field of converters, in particular to a bidirectional energy storage converter.

Background

Because electric energy is difficult to store, in traditional power production, power generation, transmission, distribution and electricity consumption are almost carried out simultaneously, and the power grid ensures real-time balance of the electric energy through a scheduling means. Moreover, with the rise of new energy, micro-grids are developed on a large scale, but the instability and the discontinuity of output power exist in new energy power generation, so that the disadvantage of unbalanced supply and demand of electric power is easily caused, and the phenomenon of unstable voltage can occur. The energy storage converter is used as a power balance device and a standby power supply, can be used for various application occasions needing dynamic energy storage, stores the electric energy when the electric energy is surplus, inverts the stored electric energy when the electric energy is insufficient, and outputs the electric energy to a power grid, so that the related problems can be effectively solved.

Through retrieving, among the prior art, patent application number CN202222502033.9 discloses a bi-directional energy storage converter, wherein can reduce the fan and enter into bi-directional energy storage converter originally internally, lead to the fact the probability of damaging to bi-directional energy storage converter body internals, not only be favorable to clearing up the maintenance to the protection unit simultaneously, be convenient for maintain bi-directional energy storage converter body internals moreover, compact structure has stronger practicality, is fit for promoting in a large number.

However, the prior art has certain defects, and when the converter applied to offshore wind power generation is used, an effective device for filtering salt mist is lacking, because offshore air is moist, and salt-containing components in the air are more, and after the wet hot air containing salt enters the converter, electric elements in the converter are easily damaged by damp corrosion, so that the stable operation of the converter is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a bidirectional energy storage converter, which solves the problems that when the converter applied to offshore wind power generation is used, an effective device for filtering salt mist is lacking, because the air at sea is moist, and the salt content in the air is more, and the moist hot air containing salt is easy to cause the electric elements in the converter to be corroded and damaged by damp after entering the converter, thereby affecting the stable operation of the converter.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two-way energy storage converter, includes the converter body, the outside symmetry of converter body is provided with the rose box, the rose box is kept away from converter body one side is provided with the air inlet guide plate, the rose box inboard is provided with salt corrosion resistant plate filter, salt corrosion resistant plate filter inboard level equidistant is provided with the plate filter screen, plate filter screen one side is provided with the card and fixes the frame, converter body upside is provided with the wind scooper, the wind scooper upside is provided with centrifugal fan, wind scooper one side is provided with the exhaust pipe, exhaust pipe one end is provided with sealed apron, sealed apron is close to exhaust pipe one side is provided with sealed the pad, sealed apron symmetry avris is provided with the extension spring.

As a preferable technical scheme of the utility model, the cabinet door is symmetrically arranged on the other side of the converter body, and the cabinet door is connected with the converter body through a hinge.

As a preferable technical scheme of the utility model, the filter box is welded with the converter body, and the filter box is connected with the salt corrosion resistant plate filter through screws.

As a preferable technical scheme of the utility model, the air inlet guide plate is welded with the filter box, and the plate-type filter screen is glued with the clamping frame.

As a preferable technical scheme of the utility model, the clamping frame is connected with the salt corrosion resistant plate filter through a clamping groove, and the wind scooper is connected with the converter body through a bolt.

As a preferable technical scheme of the utility model, the centrifugal fan is connected with the air guide cover through bolts, and the upper part of the sealing cover plate is hinged with the exhaust pipe.

As a preferred embodiment of the present utility model, the gasket is glued to the sealing cover plate.

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

1. according to the utility model, when the offshore wind power generation converter is used, the salt mist in hot and humid air can be effectively filtered by the plate-type filter screen on the salt corrosion resistant plate-type filter screen, so that the smoke air is prevented from entering the converter to cause the electric elements in the converter to be damaged by damp and corrosion, and the stable operation of the converter is further ensured.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a bidirectional energy storage converter according to the present utility model;

FIG. 2 is a schematic diagram of a main cross-sectional structure of a filter box in a bi-directional energy storage converter according to the present utility model;

fig. 3 is an enlarged schematic structural diagram of the bidirectional energy storage converter at a in fig. 2 according to the present utility model;

fig. 4 is a schematic diagram of a right-side view structure of an exhaust pipe and a sealing cover plate in a bidirectional energy storage converter according to the present utility model.

In the figure: 1. a filter box; 2. an air inlet guide plate; 3. a current transformer body; 4. a cabinet door; 5. a centrifugal fan; 6. a wind scooper; 7. an exhaust pipe; 8. salt corrosion resistant plate filter; 9. sealing the cover plate; 10. a tension spring; 11. a sealing gasket; 12. a plate filter screen; 13. and (5) clamping and fixing the frame.

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. 1-4, a bidirectional energy storage converter comprises a converter body 3, wherein a filter box 1 is symmetrically arranged outside the converter body 3, an air inlet guide plate 2 is arranged on one side, away from the converter body 3, of the filter box 1, a salt corrosion resistant plate filter 8 is arranged on the inner side of the filter box 1, plate filter screens 12 are horizontally and equidistantly arranged on the inner side of the salt corrosion resistant plate filter 8, a clamping frame 13 is arranged on one side of the plate filter screens 12, a wind scooper 6 is arranged on the upper side of the converter body 3, a centrifugal fan 5 is arranged on the upper side of the wind scooper 6, an exhaust pipe 7 is arranged on one side of the wind scooper 6, a sealing cover plate 9 is arranged at one end of the exhaust pipe 7, a sealing gasket 11 is arranged on one side, close to the exhaust pipe 7, and tension springs 10 are arranged on the symmetrical side sides of the sealing cover plate 9.

In this embodiment, the opposite side symmetry of converter body 3 is provided with cabinet door 4, and cabinet door 4 passes through hinge connection with converter body 3, and after cabinet door 4 opened, can carry out maintenance to the electrical components of converter body 3 inboard.

In this embodiment, the filter box 1 is welded with the converter body 3, and the filter box 1 is connected with the salt corrosion resistant plate filter 8 through screws, and the plate filter screen 12 on the salt corrosion resistant plate filter 8 can filter salt fog in air, so that the salt fog concentration of air entering the converter body 3 is greatly reduced, and further, the electric components inside the converter body 3 are prevented from being corroded and damaged.

In this embodiment, the air intake guide plate 2 is welded with the filter box 1, the plate filter screen 12 is glued to the clamping frame 13, and the air intake guide plate 2 can guide the air entering the inner side of the converter body 3.

In this embodiment, the clamping frame 13 is connected with the salt corrosion resistant plate filter 8 through the clamping groove, the wind scooper 6 is connected with the converter body 3 through the bolt, and the clamping frame 13 can clamp and fix the plate type filter screen 12, so that the plate type filter screen 12 is effectively fixed, and the filtering effect is ensured.

In this embodiment, centrifugal fan 5 passes through bolted connection with wind scooper 6, and sealed apron 9 upper portion is articulated with exhaust pipe 7, and sealed apron 9 can be sealed exhaust pipe 7 one end under the effect of extension spring 10, avoids the outside salt fog air of converter body 3 to enter into in the converter body 3.

In this embodiment, the sealing pad 11 is glued to the sealing cover plate 9, and the sealing pad 11 can improve the tightness of the connection between the sealing cover plate 9 and the exhaust duct 7, so as to prevent external air from entering the exhaust duct 7.

Working principle: when the air conditioner is used, the converter body 3 is placed inside the wind power generation equipment, the cabinet door 4 is tightly closed, the centrifugal fan 5 is started, negative pressure is formed inside the converter body 3, air outside the converter body 3 enters the converter body 3 through the air inlet guide plate 2, salt mist in the air can be filtered by the salt corrosion resistant plate type filter 8, the filtered air enters the inner side of the converter body 3, further, electric elements inside the converter body 3 can be subjected to air cooling and heat dissipation, the air after heat absorption is pumped away under the action of the centrifugal fan 5 and is discharged through the exhaust pipe 7, the temperature of the electric elements inside the converter body 3 is ensured, the stable operation of the converter body 3 is ensured, the exhaust pipe 7 is stopped after the exhaust is stopped, the sealing cover plate 9 can be tightly covered on the exhaust pipe 7 under the action of the tension spring 10, the sealing gasket 11 can enable the sealing cover plate 9 and the exhaust pipe 7 to be tightly sealed, and the electric elements inside the converter body 3 are prevented from being corroded and damaged by the outside air entering the inner side of the converter body 3.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

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

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a two-way energy storage converter, includes converter body (3), its characterized in that: the novel solar energy power converter comprises a converter body (3), wherein a filter box (1) is symmetrically arranged outside the converter body (3), an air inlet guide plate (2) is arranged on one side of the converter body (3), a salt corrosion resistant plate filter (8) is arranged on the inner side of the filter box (1), a plate filter screen (12) is arranged on the inner side of the salt corrosion resistant plate filter (8) at equal intervals, a clamping frame (13) is arranged on one side of the plate filter screen (12), a centrifugal fan (5) is arranged on the upper side of the converter body (3), an exhaust pipe (7) is arranged on one side of the air guide cover (6), a sealing cover plate (9) is arranged on one end of the exhaust pipe (7), a sealing gasket (11) is arranged on one side of the exhaust pipe (7), and tension springs (10) are arranged on the symmetrical side of the sealing cover plate (9).

2. A bi-directional energy storage converter as defined in claim 1, wherein: the transformer is characterized in that a cabinet door (4) is symmetrically arranged on the other side of the transformer body (3), and the cabinet door (4) is connected with the transformer body (3) through a hinge.

3. A bi-directional energy storage converter as defined in claim 1, wherein: the filter box (1) is welded with the converter body (3), and the filter box (1) is connected with the salt corrosion resistant plate filter (8) through screws.

4. A bi-directional energy storage converter as defined in claim 1, wherein: the air inlet guide plate (2) is welded with the filter box (1), and the plate type filter screen (12) is glued with the clamping frame (13).

5. A bi-directional energy storage converter as defined in claim 1, wherein: the clamping frame (13) is connected with the salt corrosion resistant plate filter (8) through a clamping groove, and the wind scooper (6) is connected with the converter body (3) through a bolt.

6. A bi-directional energy storage converter as defined in claim 1, wherein: the centrifugal fan (5) is connected with the air guide cover (6) through bolts, and the upper part of the sealing cover plate (9) is hinged with the exhaust pipe (7).

7. A bi-directional energy storage converter as defined in claim 1, wherein: the sealing gasket (11) is glued with the sealing cover plate (9).