CN214706075U

CN214706075U - Energy storage device

Info

Publication number: CN214706075U
Application number: CN202120599508.3U
Authority: CN
Inventors: 丁立志; 陈沥强; 陈晓林
Original assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Current assignee: Envision Power Technology Jiangsu Co Ltd; Envision Ruitai Power Technology Shanghai Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-12
Anticipated expiration: 2031-03-24

Abstract

The utility model belongs to the technical field of the battery energy storage, an energy storage device is disclosed, which comprises a housin, and a support, electric core module, heat abstractor and high-voltage box, the casing cover is established outside the support, the support includes first portion of placing and the portion of placing of second, first portion of placing sets up the one side of the portion of placing at the second, electric core module sets up in first portion of placing, electric core module includes a plurality of horizontal range upon range of single electric cores in proper order, series connection between a plurality of single electric cores, heat abstractor and high-voltage box set up on the portion of placing of second, heat abstractor is used for dispelling the heat to electric core module, the positive pole of high-voltage box is connected with the positive pole of electric core module, the negative pole of high-voltage box is connected with the negative pole of electric core module. This energy memory integrates the degree height, and compares with prior art, need not to encapsulate for the battery package with electric core module, has reduced manufacturing cost, and the space that will set up the battery package originally in addition all gives electric core module, and the quantity of single electric core obtains increasing in the unit space, and the stored energy obtains promoting by a wide margin.

Description

Energy storage device

Technical Field

The utility model relates to a battery energy storage technical field especially relates to an energy storage device.

Background

With the increasing demand for energy day by day, the traditional fossil energy reserves are almost exhausted, and low carbon and environmental protection become inevitable trends of social development. Therefore, the development of new energy technologies such as wind power and photoelectric technology is imminent, and great progress is made in the present year. Although the wind and photovoltaic industries are fierce, the wind and photovoltaic industries are always beset with the problem of grid connection. For this reason, the energy storage industry has emerged. The energy storage technology solves the problems of randomness and volatility of new energy power generation to a great extent, and plays an important role in adjusting the new energy grid-connected power generation process.

However, as the demand for energy storage applications increases, problems in some applications begin to stand out. The existing energy storage device has the defects of various parts and complex structure, and is not beneficial to subsequent installation and maintenance. In addition, the existing energy storage device has low integration degree, low space utilization rate and low energy storage in unit space, and has no advantage in cost. The cost determines the future marketization probability of the energy storage device to a great extent, and therefore cost reduction is particularly important for the design of the energy storage device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy storage device to solve the problem that current energy storage device structure is complicated, the energy storage is low in the unit space.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an energy storage device, includes casing, support, electric core module, heat abstractor and high-voltage box, the casing cover is established outside the support, the support includes first portion of placing and the portion is placed to the second, first portion of placing sets up one side of the portion is placed to the second, electric core module sets up on the first portion of placing, electric core module includes a plurality of horizontal range upon range of single electric core in proper order, and is a plurality of series connection between the single electric core, heat abstractor and high-voltage box sets up on the portion is placed to the second, heat abstractor is used for right the electricity core module dispels the heat, the positive pole of high-voltage box with the positive pole of electric core module is connected, the negative pole of high-voltage box with the negative pole of electricity core module is connected.

Preferably, a power management system is arranged on one side of the battery cell module, the positive electrode of the battery cell module is connected with the positive electrode of the high-voltage box through the positive end of the power management system, and the negative electrode of the battery cell module is connected with the negative electrode of the high-voltage box through the negative end of the power management system.

Preferably, a water-cooling bottom plate is arranged below the battery cell module, the heat dissipation device comprises a water-cooling unit, and the water-cooling bottom plate is connected with the water-cooling unit through a water-cooling pipe.

Preferably, an insulating gasket is arranged between the battery cell module and the water-cooling bottom plate.

Preferably, the water-cooled bottom plate is detachably connected to the first placement portion.

Preferably, the water-cooling bottom plate is provided with a clamping groove, and the single battery cell is arranged in the clamping groove.

Preferably, a top cover is arranged on the upper cover of the battery cell module, a module partition plate is arranged in the top cover, and the module partition plate is abutted to the battery cell module.

Preferably, the inner wall of the housing is provided with a reinforcing rib along the vertical direction.

Preferably, foam is arranged between every two adjacent single battery cells.

Preferably, the first placing portion is a multilayer structure, and each layer of the first placing portion is provided with the cell module.

The utility model has the advantages that: the utility model provides an energy storage device, a bracket comprises a first placing part and a second placing part, the first placing part is arranged at one side of the second placing part, the structure of the bracket is compact at the moment, the integration degree of the energy storage device is improved by arranging the battery cell module on the first placing part and arranging the heat dissipation device and the high-pressure box on the second placing part, the structure is simple, the battery cell module comprises a plurality of single battery cells which are sequentially and transversely stacked, the single battery cells are connected in series, the battery cell module is directly arranged on the first placing part of the bracket, compared with the prior art, the battery cell module does not need to be packaged into a battery pack, the production cost is reduced, and the space that will set up the battery package originally all gives the electric core module, and the quantity of single electric core obtains increasing in the unit space, and space utilization obtains promoting, and energy storage device's stored energy in the unit space obtains promoting.

Drawings

Fig. 1 is a schematic view of an internal structure of an energy storage device provided by the present invention;

fig. 2 is a schematic view of an energy storage device provided by the present invention;

fig. 3 is a schematic diagram of a battery cell module in the energy storage device provided by the present invention;

fig. 4 is a schematic diagram of a top cover in an energy storage device provided by the present invention.

In the figure:

100. a housing; 200. a support; 201. a first placing section; 202. a second placing section; 203. a base; 300. a battery cell module; 301. a single cell; 302. water-cooling the bottom plate; 303. a water-cooled tube; 304. an insulating spacer; 305. a top cover; 3051. a module spacer; 306. soaking cotton; 307. binding tapes; 400. a heat sink; 401. a water cooling unit; 500. a high pressure tank; 600. a power management system; 700. a fire fighting device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides an energy storage device, as shown in fig. 1 to 4, including a casing 100, a support 200, a cell module 300, a heat dissipation device 400, and a high voltage box 500, where the casing 100 is sleeved outside the support 200, that is, the casing 100 can wrap the entire support 200, the casing 100 may be, but is not limited to, a casing 100 of protection grade IP54, which can meet the requirements of dust prevention and water prevention for outdoor use in a conventional environment, the support 200 includes a first placing portion 201 and a second placing portion 202, the first placing portion 201 is disposed on one side of the second placing portion 202, at this time, the structure of the support 200 is compact, the space available for the support 200 in a unit space is increased, the cell module 300 is disposed on the first placing portion 201, the cell module 300 includes a plurality of single cells 301 stacked in a transverse direction in sequence, the plurality of single cells 301 are connected in series, the heat dissipation device 400 and the high voltage box 500 are disposed on the second placing portion 202, the heat dissipation device 400 can be located above the high-voltage box 500 and also can be located below the high-voltage box 500, as long as the placement of the heat dissipation device 400 and the high-voltage box 500 can be realized, the heat dissipation device 400 can be used for dissipating heat of the battery cell module 300 in the casing 100, so as to ensure the temperature stability and the normal operation of the energy storage device, the anode of the high-voltage box 500 is connected with the anode of the battery cell module 300, the cathode of the high-voltage box 500 is connected with the cathode of the battery cell module 300, and the high-voltage box 500 can realize the energy distribution of the battery cell module 300. In the energy storage device provided by the embodiment, the battery cell module 300 is arranged on the first placing part 201, and the heat dissipation device 400 and the high-voltage box 500 are arranged on the second placing part 202, so that the integration degree of the energy storage device is improved, and the structure is simple; directly set up on the first portion 201 of placing of support 200 with electric core module 300, compare with prior art, need not to encapsulate electric core module 300 for the battery package, reduced manufacturing cost, the space that will set up the battery package originally in addition is whole to be dodged and give electric core module 300, and the quantity of single electric core 301 obtains increasing in the unit space, and space utilization obtains promoting, and energy storage device's the stored energy in the unit space obtains promoting.

Optionally, as shown in fig. 3, a power management system 600 is disposed on one side of the cell module 300, the positive electrode of the cell module 300 is connected to the positive electrode of the high voltage box 500 through the positive electrode end of the power management system 600, the negative electrode of the cell module 300 is connected to the high voltage box 500 through the negative electrode end of the power management system 600, that is, the positive electrode of the cell module 300 is connected to the positive electrode end of the power management system 600, the negative electrode of the cell module 300 is connected to the negative electrode end of the power management system 600, the positive electrode end of the power management system 600 is connected to the positive electrode of the high voltage box 500, the negative electrode end of the power management system 600 is connected to the negative electrode of the high voltage box 500, through the provision of the power management system 600, the energy distribution of the cell module 300 can be controlled, the energy storage performance of the energy storage device is improved, and the service life of the cell module 300 is prolonged.

The water-cooling bottom plate 302 is arranged below the battery cell module 300 in this embodiment, the heat dissipation device 400 includes a water-cooling unit 401, the water-cooling bottom plate 302 is connected with the water-cooling unit 401 through a water-cooling pipe 303, a cooling liquid of the water-cooling unit 401 flows into the water-cooling bottom plate 302 through the water-cooling pipe 303, the cooling liquid flowing into the water-cooling bottom plate 302 absorbs heat of the battery cell module 300 and then flows back to the water-cooling unit 401 through the water-cooling pipe 303, and the circulation is performed so as to achieve the purpose of dissipating heat of the battery cell module 300.

Optionally, an insulating gasket 304 is arranged between the battery cell module 300 and the water-cooling bottom plate 302, and by arranging the insulating gasket 304, the water-cooling bottom plate 302 and the battery cell module 300 can be prevented from being electrically connected, so that the short circuit phenomenon of the battery cell module 300 is avoided, the working stability of the battery cell module 300 is enhanced, and the service life of the battery cell module 300 is ensured.

Optionally, in order to facilitate installation and later replacement and maintenance of the water-cooled bottom plate 302, the water-cooled bottom plate 302 is detachably connected to the first placing portion 201, and the installed water-cooled bottom plate 302 can be stabilized on the first placing portion 201, so that the water-cooled bottom plate 302 and the first placing portion 201 are prevented from moving relatively when the support 200 shakes, and stability of the water-cooled bottom plate 302 is ensured.

Optionally, water-cooling bottom plate 302 is provided with the draw-in groove, and single electric core 301 of electric core module 300 sets up in the draw-in groove, and through setting up water-cooling bottom plate 302 the draw-in groove, single electric core 301 sets up in the draw-in groove, and single electric core 301 can with water-cooling bottom plate 302's draw-in groove joint, has avoided taking place to take place to move between electric core module 300 and the water-cooling bottom plate 302 when support 200 takes place to rock, has guaranteed electric core module 300's stability.

Top lid of electric core module 300 in this embodiment is equipped with top cap 305, as shown in fig. 4, be provided with module baffle 3051 in the top cap 305, module baffle 3051 and electric core module 300 butt, top cap 305 is in the top of electric core module 300 and compresses tightly electric core module 300, can play fixed effect to electric core module 300, further strengthen electric core module 300's structural stability, and simultaneously, the vibrations that energy memory probably takes place in the use can be offset to module baffle 3051, avoid vibrations to influence electric core module 300's stability, the life of electric core module 300 has been guaranteed.

Optionally, be provided with between two adjacent single electric cores 301 in electric core module 300 and steep cotton 306, through setting up steep cotton 306, can avoid electric core module 300 in long-time use on the one hand, single electric core 301 takes place to expand and leads to taking place to damage rather than adjacent single electric core 301, guarantees electric core module 300's life, and on the other hand, steep cotton 306 can prevent two adjacent single electric core 301 supports 200 and take place the short circuit. In order to make the structure between the single electric core 301 more stable in electric core module 300, can adopt ligature area 307 to carry out the ligature to all single electric cores 301 in electric core module 300, prevent that arbitrary single electric core 301 from taking place to cluster the position and influencing the use. In order to better connect the positive electrodes of the single cells 301 and the negative electrodes of the single cells 301 in the cell module 300, but not limited to, the positive electrodes of all the single cells 301 are connected by using aluminum bars, and the negative electrodes of all the single cells 301 are connected by using aluminum bars, which have good electrical conductivity.

The first placing part 201 in this embodiment is a multilayer structure, and each layer of the first placing part 201 is provided with the battery cell module 300, and according to a specific energy storage condition, the first placing parts 201 with different layers are selected to meet the use requirements.

The second placing portion 202 in this embodiment is further provided with a fire fighting device 700, and the fire hazard caused by a short circuit can be avoided by the fire fighting device 700, thereby ensuring the safety of life and property.

In order to improve the structural strength of the entire energy storage device, the inner wall of the housing 100 in this embodiment is provided with a reinforcing rib along the vertical direction; the bottom of the bracket 200 is provided with a base 203, and the base 203 can be used for insulating the ground.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An energy storage device, comprising a casing (100), a bracket (200), a cell module (300), a heat dissipation device (400) and a high voltage box (500), wherein the casing (100) is sleeved outside the bracket (200), the bracket (200) comprises a first placing part (201) and a second placing part (202), the first placing part (201) is arranged at one side of the second placing part (202), the cell module (300) is arranged on the first placing part (201), the cell module (300) comprises a plurality of single cells (301) which are horizontally stacked in sequence, the single cells (301) are connected in series, the heat dissipation device (400) and the high voltage box (500) are arranged on the second placing part (202), the heat dissipation device (400) is used for dissipating heat of the cell module (300), and the positive pole of the high voltage box (500) is connected with the positive pole of the cell module (300), and the negative electrode of the high-voltage box (500) is connected with the negative electrode of the battery cell module (300).

2. The energy storage device according to claim 1, wherein a power management system (600) is disposed on one side of the cell module (300), a positive electrode of the cell module (300) is connected to a positive electrode of the high-voltage box (500) through a positive electrode end of the power management system (600), and a negative electrode of the cell module (300) is connected to a negative electrode of the high-voltage box (500) through a negative electrode end of the power management system (600).

3. The energy storage device according to claim 1, wherein a water-cooling bottom plate (302) is arranged below the cell module (300), the heat dissipation device (400) comprises a water-cooling unit (401), and the water-cooling bottom plate (302) is connected with the water-cooling unit (401) through a water-cooling pipe (303).

4. The energy storage device of claim 3, wherein an insulating gasket (304) is arranged between the cell module (300) and the water-cooled base plate (302).

5. The energy storage device according to claim 3, wherein the water-cooled floor (302) is detachably connected to the first placement portion (201).

6. Energy storage device according to claim 3, characterized in that the water-cooled base plate (302) is provided with a clamping groove, in which the single cell (301) is arranged.

7. The energy storage device of claim 1, wherein a top cover (305) is arranged on an upper cover of the cell module (300), a module separator (3051) is arranged in the top cover (305), and the module separator (3051) abuts against the cell module (300).

8. Energy storage device according to claim 1, characterized in that the inner wall of the housing (100) is provided with reinforcement ribs in the vertical direction.

9. The energy storage device according to any one of claims 1 to 8, wherein foam (306) is arranged between two adjacent single cells (301).

10. The energy storage device according to any one of claims 1 to 8, wherein the first placement portion (201) is a multi-layer structure, and each layer of the first placement portion (201) is provided with the cell module (300).