New energy microgrid energy storage device

Abstract

The invention discloses a new energy micro-grid energy storage device which comprises a box body, a plurality of battery units are linearly arrayed in the box body, and every two adjacent battery units are separated through a spacer; the distance piece comprises a left side plate, a right side plate, an upper pressing strip and a lower pressing strip, the left side plate and the right side plate are oppositely arranged, the upper pressing strip and the lower pressing strip are oppositely arranged, the two side plates are connected through a plurality of first springs, the two pressing strips are connected through a lead screw and a nut, first inclined faces are arranged on the upper portions and the lower portions of the opposite sides of the two side plates, and second inclined faces matched with the first inclined faces are arranged on the two opposite side faces of the pressing strips. When the two pressing strips get close to or get away from each other, the two side plates get away from or get close to each other synchronously, a ventilation groove is defined by the two side plates and the two pressing strips, a fan module is arranged on one side of the box body, a ventilation hole is formed in the other side of the box body, and the two ends of the ventilation groove correspond to the fan module and the ventilation hole respectively. The battery unit fixing device can effectively fix the battery unit, is suitable for battery units of different specifications, has the functions of battery unit fixing, ventilation and heat dissipation, and is remarkable in use effect.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage devices, and in particular to a new energy microgrid energy storage device. Background Art

[0002] Micro-Grid, also translated as microgrid, refers to a small power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc. The purpose of the microgrid is to realize the flexible and efficient application of distributed power sources and solve the problem of grid connection of a large number of distributed power sources in various forms. The development and extension of microgrids can fully promote the large-scale access of distributed power sources and renewable energy, realize the highly reliable supply of various energy forms to loads, and is an effective way to realize active distribution networks and transition from traditional power grids to smart grids. Existing microgrid energy storage devices usually install multiple battery cells in a box. Multiple battery cells are close to each other and fixed by corresponding frames. The frame fixing effect is not ideal, and when the battery cells are of different specifications, different boxes are required. There is no spacing between the battery cells, and the ventilation and heat dissipation effect is not ideal, which needs to be improved. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a new energy microgrid energy storage device that can effectively fix battery cells and adapt to battery cells of different specifications, taking into account the functions of battery cell fixation and ventilation and heat dissipation, and has significant use effect, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new energy microgrid energy storage device, comprising a box body, wherein a plurality of battery cells are arranged in a linear array in the box body, and two adjacent battery cells are separated by a spacer; the spacer comprises two left and right side panels which are oppositely arranged, and two upper and lower pressure strips which are oppositely arranged, the two side panels are connected by a plurality of springs, and the two pressure strips are connected by a screw rod and a nut, the upper and lower parts of the opposite sides of the two side panels are provided with a slope one, and the two back sides of the pressure strip are provided with a slope two which is adapted to the slope one, and when the two pressure strips approach or move away from each other, the two side panels move away or approach synchronously, the two side panels and the two pressure strips form a ventilation groove, a fan module is provided on one side of the box body, and a ventilation hole is provided on the other side of the box body, and the two ends of the ventilation groove correspond to the fan module and the ventilation hole respectively.

[0005] Preferably, when the two pressure strips are relatively close, the two side plates are far away from each other, and when the two pressure strips are relatively far away, the two side plates are close to each other, the two side plates respectively contact the side walls of the two battery cells, and the two side plates are always in a vertical and parallel state.

[0006] Preferably, the pressure strip is provided with a through hole for the screw rod to pass through, the screw rod passes through the two pressure strips, and two nuts are provided, both of which are threadedly connected to the screw rod, and the two nuts respectively contact with the opposite sides of the two pressure strips.

[0007] Preferably, a cover plate is fixed to the upper part of the box body by bolts, a pressure plate is provided at the lower part of the cover plate, and a plurality of springs are provided between the pressure plate and the cover plate.

[0008] Preferably, the fan module comprises a casing, two fans are arranged in the casing, and a temperature probe for detecting the internal temperature is also arranged in the casing. The temperature probe feeds back a signal to a controller, and the controller controls the speed of the fans.

[0009] Preferably, two support bars for supporting the battery cells are provided at the bottom of the box body.

[0010] Preferably, the side plate is a heat dissipating aluminum plate.

[0011] Compared with the prior art, the beneficial effects of the present invention are: two battery cells are spaced and positioned by a spacer to ensure that the battery cells are firmly fixed. The spacer is composed of two side plates, two pressure strips, a screw and a nut. The spacing between the two side plates can be adjusted by adjusting the two nuts, so that the battery cells can be fixed, and battery cells of different specifications can be adapted. In addition, the spacer has a ventilation slot, and the fan module blows air into the ventilation slot to accelerate the heat dissipation of the battery cell, taking into account the functions of battery cell fixation and ventilation and heat dissipation, and the use effect is significant. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention Figure 1 ; Figure 3 It is a schematic diagram of the local structure of the present invention Figure 2 ; Figure 4 It is a schematic diagram of the structure of the spacer of the present invention; Figure 5 is a cross-sectional view of a spacer of the present invention; Figure 6 It is a schematic diagram of the cover plate structure of the present invention.

[0013] In the figure: 1 cover plate, 1.1 spring 2, 1.2 pressure plate, 2 fan module, 3 box body, 3.1 support bar, 3.2 ventilation hole, 4 battery unit, 5 spacer, 5.1 side plate, 5.11 inclined plane 1, 5.2 nut, 5.3 screw rod, 5.4 spring 1, 5.5 pressure strip, 5.51 inclined plane 2. DETAILED DESCRIPTION

[0014] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0015] See also Figure 1-6 The present invention provides a technical solution: a new energy microgrid energy storage device, comprising a box body 3, wherein a plurality of battery cells 4 are arranged in a linear array in the box body 3, and two adjacent battery cells 4 are separated by a spacer 5; the spacer 5 comprises two oppositely arranged side panels 5.1 on the left and right and two oppositely arranged pressure strips 5.5 on the upper and lower sides, the two side panels 5.1 are connected by a plurality of springs 5.4, the two pressure strips 5.5 are connected by a screw rod 5.3 and a nut 5.2, the upper and lower parts of the opposite sides of the two side panels 5.1 are provided with an inclined surface 5.11, and the two back sides of the pressure strips 5.5 are provided with an inclined surface 2 5.51 adapted to the inclined surface 5.11, when the two pressure strips 5.5 approach or move away from each other, the two side panels 5.1 move away or approach synchronously, the two side panels 5.1 and the two pressure strips 5.5 form a ventilation slot, a fan module 2 is provided on one side of the box body 3, and a ventilation hole 3.2 is provided on the other side of the box body 3, and the two ends of the ventilation slot correspond to the fan module 2 and the ventilation hole 3.2 respectively; Specifically, when the two pressure strips 5.5 are relatively close, the two side plates 5.1 are far away from each other, and when the two pressure strips 5.5 are relatively far away, the two side plates 5.1 are close to each other, and the two side plates 5.1 are respectively in contact with the side walls of the two battery cells 4, and the two side plates 5.1 are always in a vertical and parallel state; the pressure strip 5.5 is provided with a through hole for the screw rod 5.3 to pass through, the screw rod 5.3 passes through the two pressure strips 5.5, and the nuts 5.2 are provided with two threads connected to the screw rod 5.3, and the two nuts 5.2 are respectively in contact with the opposite sides of the two pressure strips 5.5; The two nuts 5.2 are screwed to adjust the spacing between the two pressure strips 5.5. The spacing between the two side panels 5.1 is adjusted by changing the spacing between the two pressure strips 5.5, so that the two side panels 5.1 can correspondingly contact the side walls of the battery unit 4, thereby fixing the battery unit 4. In addition, the spacer 5 has ventilation slots, and the fan module 2 blows air into the ventilation slots, which can accelerate the heat dissipation of the battery unit 4, taking into account the functions of fixing the battery unit 4 and ventilating and heat dissipating, and the use effect is remarkable; Furthermore, a cover plate 1 is fixed to the upper part of the box body 3 by bolts, a pressure plate 1.2 is provided at the lower part of the cover plate 1, and a plurality of springs 1.1 are provided between the pressure plate 1.2 and the cover plate 1. When the cover plate 1 is fixed to the box body 3 by bolts, the springs 1.1 are compressed and the pressure plate 1.2 is pressed on the battery cell 4 to ensure that the battery cell 4 is firmly fixed; Furthermore, the fan module 2 includes a casing, two fans are arranged in the casing, and a temperature probe for detecting the internal temperature is also arranged in the box body 3. The temperature probe feeds back a signal to the controller, and the controller controls the fan speed. The controller adjusts the motor speed of the fan in the prior art, which will not be described here. The air volume is adjusted according to actual needs. In addition, two support bars 3.1 for supporting the battery unit 4 are provided at the bottom of the box body 3; the side plate 5.1 is a heat dissipation aluminum plate with good heat dissipation effect.

[0016] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the content of the present invention.

Claims

1. A new energy microgrid energy storage device, comprising a box (3), characterized in that: The box body (3) has a plurality of battery cells (4) in a linear array, and two adjacent battery cells (4) are separated by a spacer (5); the spacer (5) comprises two oppositely arranged left and right side plates (5.1) and two oppositely arranged upper and lower pressure strips (5.5); the two side plates (5.1) are connected by a plurality of springs (5.4); the two pressure strips (5.5) are connected by a screw rod (5.3) and a nut (5.2); the upper and lower parts of the opposite sides of the two side plates (5.1) are both provided with an inclined surface (5. 11), two opposite sides of the pressure strip (5.5) are provided with a second inclined plane (5.51) adapted to the first inclined plane (5.11), when the two pressure strips (5.5) are moved closer to or away from each other, the two side panels (5.1) are moved away from or closer to each other synchronously, the two side panels (5.1) and the two pressure strips (5.5) form a ventilation slot, one side of the box body (3) is provided with a fan module (2), and the other side of the box body (3) is provided with a ventilation hole (3.2), and the two ends of the ventilation slot correspond to the fan module (2) and the ventilation hole (3.2) respectively.

2. A new energy microgrid energy storage device according to claim 1, characterized in that: When the two pressure strips (5.5) are relatively close to each other, the two side plates (5.1) are separated from each other; when the two pressure strips (5.5) are relatively separated from each other, the two side plates (5.1) are close to each other; the two side plates (5.1) respectively contact the side walls of the two battery cells (4); and the two side plates (5.1) are always in a vertical and parallel state.

3. A new energy microgrid energy storage device according to claim 1, characterized in that: The pressure strip (5.5) is provided with a through hole for the screw rod (5.3) to pass through, the screw rod (5.3) passes through the two pressure strips (5.5), the nut (5.2) is provided with two threads connected to the screw rod (5.3), and the two nuts (5.2) respectively contact with the opposite sides of the two pressure strips (5.5).

4. A new energy microgrid energy storage device according to claim 1, characterized in that: A cover plate (1) is also fixed to the upper part of the box body (3) by means of bolts, a pressure plate (1.2) is provided at the lower part of the cover plate (1), and a plurality of springs (1.1) are provided between the pressure plate (1.2) and the cover plate (1).

5. A new energy microgrid energy storage device according to claim 1, characterized in that: The fan module (2) comprises a casing, two fans are arranged in the casing, and a temperature probe for detecting the internal temperature is also arranged in the box body (3). The temperature probe feeds back a signal to a controller, and the controller controls the speed of the fans.

6. A new energy microgrid energy storage device according to claim 1, characterized in that: Two support bars (3.1) for supporting the battery unit (4) are provided at the inner bottom of the box body (3).

7. A new energy microgrid energy storage device according to claim 1, characterized in that: The side plate (5.1) is a heat dissipation aluminum plate.

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