CN219226514U

CN219226514U - Energy storage device based on three levels

Info

Publication number: CN219226514U
Application number: CN202320002313.5U
Authority: CN
Inventors: 谭亮
Original assignee: Anshan Boxu Power Technology Co ltd
Current assignee: Anshan Boxu Power Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-20
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses an energy storage device based on three levels, which belongs to the technical field of energy storage devices and comprises a shell, wherein an energy storage circuit is arranged in the shell and consists of a three-phase transformer and a storage battery pack which are connected in parallel, heat dissipation holes are formed in two sides of the shell, a fan is arranged in the shell close to one side of the heat dissipation holes, a heat dissipation plate is further arranged in the shell and is abutted to the upper surface of the storage battery pack, and a plurality of heat dissipation fins are fixedly connected to the top of the heat dissipation plate. According to the storage battery pack, heat can be transferred to the heat dissipation plate and the heat dissipation fins, external air enters the shell from the heat dissipation hole at one side, and after the heat dissipation plate and the heat dissipation fins are cooled, the external air can be discharged to the outside of the shell through the fan, so that the heat dissipation efficiency of the storage battery pack is improved, and when the storage battery pack with the battery slot drawn out is reloaded into the battery slot, the heat dissipation plate can be upwards extruded in the process of contact between the storage battery pack and the guide plate, and the storage battery pack is convenient to install and detach.

Description

Energy storage device based on three levels

Technical Field

The utility model relates to the technical field of energy storage devices, in particular to an energy storage device based on three levels.

Background

The three-level control technology is mainly used in a frequency converter, and the three-level frequency converter adopts a clamping circuit, so that the problem of series connection of two power devices is solved, and the phase voltage output has three levels.

The three-level-based energy storage device controls the charging and discharging processes of the storage battery, performs alternating current-direct current conversion, can directly supply power for an alternating current load under the condition of no power grid, and is composed of a DC/AC bidirectional converter, a control unit and the like. Most of the batteries of the existing energy storage devices are directly cooled through a fan, so that the heat dissipation effect is poor when the battery is used in a high-temperature environment, and the service life of the battery is easy to reduce.

Disclosure of Invention

The present utility model is directed to an energy storage device based on three levels, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an energy memory based on three level, includes the casing, the casing embeds there is energy storage circuit, energy storage circuit comprises three-phase transformer and storage battery group in parallel, the both sides of casing all are provided with the louvre, the internally mounted that the casing is close to one side louvre has the fan, the inside of casing still is provided with the heating panel, the heating panel butt is at storage battery's upper surface, the top fixedly connected with of heating panel has a plurality of fin.

As still further scheme of the utility model, the front part of the shell is provided with a battery slot, the storage battery pack is accommodated in the battery slot, and the notch of the battery slot is provided with a flip.

As a still further scheme of the utility model, a groove is arranged outside the shell, an interface is arranged in the groove, and a display module is arranged at the front part of the shell.

As still further scheme of the utility model, the top of the shell is provided with a top cover which is detachably connected with the shell, and the top of the top cover is provided with a handle.

As still further scheme of the utility model, the inner wall of the shell is fixedly connected with the mounting frame, the bottom of the mounting frame is fixedly connected with the springs, and the heat dissipation plate is fixedly connected with the lower ends of the springs.

As a still further proposal of the utility model, the front end of the heat dissipation plate, which is close to the notch of the battery slot, is provided with a guide piece which gradually inclines downwards from outside to inside.

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

1. this energy memory based on three level has adopted storage battery, the heating panel, the fin, mutually support between louvre and the fan, storage battery can give heating panel and fin with heat transfer, outside air gets into in the casing from the louvre of one side, accessible fan discharges to the casing outside after cooling down heating panel and fin, storage battery's radiating efficiency has been improved, the battery of some energy memory has effectively been solved is directly dispelled the heat through the fan mostly, radiating effect is not good when using under high temperature environment, the problem of battery life is reduced easily.

2. This energy memory based on three level is provided with the guide piece, when will take out the storage battery of battery slot position and adorn back in the battery slot position again, can upwards extrude the heating panel with the in-process of guide piece contact, after the battery slot position is gone into with the storage battery assembly, the spring can press the heating panel at storage battery's surface, conveniently installs and dismantle storage battery.

3. This energy memory based on three level is provided with the top cap, and top cap accessible screw installs at the top of casing for convenient to detach when the top cap is stable firm, so that overhaul and maintain the built-in circuit of casing.

Drawings

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

FIG. 2 is a schematic diagram of a fan according to the present utility model;

FIG. 3 is a schematic elevational view of the overall structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3 according to the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a housing; 2. a battery slot; 21. a flip cover; 3. a heat radiation hole; 4. a fan; 5. an interface; 51. a groove; 6. a display module; 7. a top cover; 71. a handle; 8. a battery pack; 9. a heat dissipation plate; 91. a mounting frame; 92. a spring; 93. a heat sink; 94. and a guide piece.

Detailed Description

Example 1

Referring to fig. 1-4, the three-level-based energy storage device of the present embodiment includes a housing 1, in which an energy storage circuit is built in the housing 1, and the energy storage circuit is formed by connecting a three-phase transformer and 8 sets of storage batteries in parallel, so that the energy storage device has a high level V/2, a zero level 0V, and a low level-V/2. Both sides of casing 1 all are provided with louvre 3, and the internally mounted that casing 1 is close to one side louvre 3 has the fan 4 that the end of blowing is towards casing 1 outside, and during fan 4 operation, outside air gets into in the casing 1 from louvre 3 on one side, and accessible fan 4 discharges to casing 1 outside after cooling down storage battery 8.

Meanwhile, the heat dissipation plate 9 is further arranged in the shell 1, the heat dissipation plate 9 is abutted to the upper surface of the storage battery 8, the top of the heat dissipation plate 9 is fixedly connected with the plurality of heat dissipation fins 93, the heat dissipation plate 9 and the heat dissipation fins 93 are made of metal materials with good heat conduction performance, the storage battery 8 can conduct heat to the heat dissipation plate 9 and the heat dissipation fins 93, the heat dissipation efficiency of the storage battery 8 is improved when the fan 4 works, and the storage battery 8 of the energy storage device can effectively dissipate heat in a high-temperature environment.

The front portion of the shell 1 is provided with a battery slot 2, the storage battery 8 is accommodated in the battery slot 2, a turnover cover 21 is arranged at a notch of the battery slot 2, after the turnover cover 21 is opened, the storage battery 8 can be pulled out from the battery slot 2, the storage battery 8 can be formed by connecting a plurality of storage batteries in parallel, and the use of the energy storage device is not affected when the single storage battery is detached.

Wherein, the inner wall fixedly connected with mounting bracket 91 of casing 1, the bottom fixedly connected with of mounting bracket 91 a plurality of springs 92, heating panel 9 fixed connection is in the lower extreme of a plurality of springs 92, and spring 92 can compress tightly heating panel 9 at the top of storage battery 8 for storage battery 8 can effectively transmit the heating panel 9 with heat.

In addition, the front end of the heat dissipation plate 9, which is close to the notch of the battery slot 2, is provided with a guide plate 94, the guide plate 94 gradually inclines downwards from outside to inside, when the storage battery 8 drawn out of the battery slot 2 is reloaded into the battery slot 2, the heat dissipation plate 9 can be upwards extruded in the process of contacting the storage battery 8 with the guide plate 94, and after the storage battery 8 is loaded into the battery slot 2, the spring 92 can press the heat dissipation plate 9 on the surface of the storage battery 8.

In addition, the outside of casing 1 is provided with recess 51, is provided with interface 5 in the recess 51, and the front portion of casing 1 is provided with display module 6, and interface 5 and display module 6 are all connected with the built-in circuit of casing 1, and interface 5 can be input/output interface such as DC interface, type-C interface.

Simultaneously, the top of casing 1 is provided with top cap 7, top cap 7 and casing 1 can dismantle the connection, and top cap 7 accessible screw installs at the top of casing 1 for convenient to detach when top cap 7 is stable firm, so that overhaul and maintain the built-in circuit of casing 1. The top of the top cover 7 is provided with a handle 71, and the top cover 7 is movably hinged to the top of the storage battery pack 8.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an energy memory based on three level, includes casing (1), casing (1) embeds there is tank circuit, tank circuit comprises three-phase transformer and storage battery (8) group in parallel, a serial communication port, the both sides of casing (1) all are provided with louvre (3), the internally mounted that casing (1) is close to one side louvre (3) has fan (4), the inside of casing (1) still is provided with heating panel (9), heating panel (9) butt is at the upper surface of storage battery (8), the top fixedly connected with fin (93) of heating panel (9).

2. The three-level-based energy storage device according to claim 1, wherein a battery slot (2) is provided at the front of the housing (1), the battery pack (8) is accommodated in the battery slot (2), and a flip cover (21) is provided at a notch of the battery slot (2).

3. The three-level-based energy storage device according to claim 1, wherein a groove (51) is arranged outside the housing (1), an interface (5) is arranged in the groove (51), and a display module (6) is arranged at the front part of the housing (1).

4. The three-level-based energy storage device according to claim 1, wherein a top cover (7) is arranged at the top of the housing (1), the top cover (7) is detachably connected with the housing (1), and a handle (71) is arranged at the top of the top cover (7).

5. The three-level-based energy storage device according to claim 1, wherein an installation frame (91) is fixedly connected to the inner wall of the shell (1), a plurality of springs (92) are fixedly connected to the bottom of the installation frame (91), and the heat dissipation plate (9) is fixedly connected to the lower ends of the springs (92).

6. The three-level-based energy storage device according to claim 5, wherein the front end of the heat dissipation plate (9) close to the notch of the battery slot (2) is provided with a guide piece (94), and the guide piece (94) gradually inclines downwards from outside to inside.