Energy storage cabin and energy storage system

Abstract

The utility model belongs to the technical field of energy storage systems, and particularly relates to an energy storage cabin and an energy storage system, which comprise a plurality of longitudinally arranged cabins, partition plates are arranged among the cabins, and the cabins comprise a mixing cabin, a confluence power distribution cabin and a plurality of battery cabins. A liquid cooling unit, a battery pack group and a high-voltage box are sequentially arranged in the mixing cabin from top to bottom, a battery pack group and a high-voltage box are sequentially arranged in the battery cabin from top to bottom, and the battery pack group comprises a plurality of stacked battery packs; the liquid cooling unit comprises a liquid cooling main pipe, liquid cooling branch pipes arranged on the liquid cooling main pipe and liquid cooling branch pipes arranged on the liquid cooling branch pipes, the liquid cooling main pipe is arranged at the top of the energy storage cabin, the liquid cooling branch pipes are arranged on the two sides of the cabin, and the liquid cooling branch pipes penetrate into the cabin to cool the battery pack in the cabin; the LED lamp is high in intensification degree, good in heat dissipation and convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of energy storage system, specifically relates to an energy storage cabin and energy storage system. BACKGROUND

[0002] The energy storage cabin is a kind of modularized electric energy storage device, which realizes the large-scale storage and flexible scheduling of electric energy by integrating battery system, energy management system and auxiliary equipment, and is widely applied to new energy power station, grid peak shaving, emergency power supply and other scenes.

[0003] With the gradual expansion of the application market of electrochemical energy storage system, the energy storage system develops towards higher safety and energy density, and requires high integration degree of energy storage cabin, which can be quickly deployed and has flexible expandability.New requirements are put forward for the volume, heat dissipation, noise and expandability of energy storage cabin. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem to provide a kind of energy storage cabin and energy storage system, and the degree of intensification is high, and heat dissipation is good, and it is convenient to maintain.

[0005] The utility model provides a kind of energy storage cabin, including multiple cabin rooms arranged in longitudinal direction, the partition is arranged between the cabin room, the cabin room includes mixed cabin, confluence distribution cabin and multiple battery cabin, liquid cooling unit, battery pack group and high voltage box are sequentially arranged from top to bottom in the mixed cabin, battery pack group and high voltage box are sequentially arranged from top to bottom in the battery cabin, and the battery pack group includes multiple stacked battery packs.

[0006] The liquid cooling unit includes liquid cooling main pipe, liquid cooling branch pipe arranged on the liquid cooling main pipe and liquid cooling branch pipe arranged on the liquid cooling branch pipe, the liquid cooling main pipe is arranged at the top of energy storage cabin, the liquid cooling branch pipe is arranged at the two sides of cabin room, and the liquid cooling branch pipe is deeply cooled into the battery pack in cabin room.

[0007] Optionally, the side of the liquid cooling unit is provided with an air inlet, and the top surface of the liquid cooling unit is provided with an air outlet.

[0008] Optionally, a partition plate is arranged between the liquid cooling unit and the battery pack in the mixed cabin.

[0009] Optionally, the number of battery cabin is 2-10, and the number of battery pack in the battery pack group is 4-12.

[0010] Optionally, it further includes a hatch, the hatch is arranged at the side of energy storage cabin, and the number of hatch corresponds to the number of cabin room.

[0011] Optionally, the liquid cooling branch pipe and the liquid cooling branch pipe are arranged at the side of cabin room close to hatch.

[0012] Optionally, a sealing strip is arranged between the hatch and the cabin body of the energy storage cabin.

[0013] Optionally, the sealing strip is a T-shaped sealing strip.

[0014] Optionally, a partition plate is arranged between the liquid cooling unit and the battery pack in the mixing cabin; a sealing folded edge is arranged on the cabin body of the mixing cabin and the partition plate where the liquid cooling unit is located; and a bubble-shaped sealing strip is arranged between the sealing folded edge and the hatch.

[0015] The utility model provides a kind of energy storage system, including the energy storage cabin, further include temperature and humidity control system, fire alarm system, emergency system and fire control system.

[0016] The utility model has the advantages that the utility model sets up liquid cooling unit in the corner and upper portion of energy storage cabin, and the liquid cooling pipe line arranged on the top of energy storage cabin is stretched out by liquid cooling unit, to uniformly radiate battery pack, and the heat dissipation effect is better, and it is more convenient to maintain.The utility model is provided with multiple cabins on the side of energy storage cabin, i.e.

[0017] The utility model is sealed by 2 sealing strips structure, T-shaped sealing strip is installed on hatch and cabin body, i.e. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structural schematic drawing of the utility model.

[0019] Figure 2 It is the front view structural schematic drawing of the utility model after removing hatch.

[0020] Figure 3 It is the section view structural schematic drawing of the mixing cabin of the utility model.

[0021] Figure 4 It is the enlarged structural schematic drawing of A position of the utility model. Figure 3

[0022] Figure 5 It is the enlarged structural schematic drawing of B position of the utility model. Figure 3

[0023] Figure 6 It is the structural schematic drawing of the liquid cooling pipe line of the utility model.

[0024] ​​Figure 7 Structure diagram of stacked state of multiple energy storage cabins.

[0025] In the figure, 1 mixed cabin, 2 battery cabin, 21 battery pack, 22 high voltage box, 3 bus distribution cabin, 4 liquid cooling unit, 5 cabin partition, 6 cabin door, 7 partition, 8 cabin corner piece, 9 sealing strip, 10 cabin vertical beam, 11 sealing flange, 12 top bubble type sealing strip, 13 cabin top beam, 41 air outlet, 42 liquid cooling main pipe, 43 liquid cooling branch pipe, 44 liquid cooling branch pipe. DETAILED DESCRIPTION

[0026] As Figures 1-6 indicated, the utility model relates to an energy storage cabin, including multiple cabin rooms arranged in longitudinal direction, be provided with partition 5 between cabin room, cabin room includes mixed cabin 1, bus distribution cabin 3 and multiple battery cabin 2, liquid cooling unit 4, battery pack group and high voltage box 22 are sequentially arranged from top to bottom in mixed cabin 1, battery pack group and high voltage box 22 are sequentially arranged from top to bottom in battery cabin 2, battery pack group includes multiple stacked battery packs 21,

[0027] Liquid cooling unit 4 includes liquid cooling main pipe 42, liquid cooling branch pipe 43 arranged on liquid cooling main pipe 42 and liquid cooling branch pipe 44 arranged on liquid cooling branch pipe 43, liquid cooling main pipe 42 is arranged at the top of energy storage cabin, liquid cooling branch pipe 43 is arranged at both sides of cabin room, and liquid cooling branch pipe 44 is deep into the interior of cabin room to cool battery pack 21 in the interior of cabin room.

[0028] The energy storage cabin of the utility model can be designed as a standard container size structure, such as a 20-foot container. There is basically no protruding structure on the outside of the energy storage cabin, so the utility model can be stacked and processed, such as Figure 7 During transportation, it can be transported in a standard container mode, reducing transportation space and transportation cost.

[0029] As Figures 1-2 indicated, the utility model relates to an energy storage cabin, including multiple cabin rooms arranged in longitudinal direction, be provided with partition 5 between cabin room, cabin room includes mixed cabin 1, bus distribution cabin 3 and multiple battery cabin 2, liquid cooling unit 4, battery pack group and high voltage box 22 are sequentially arranged from top to bottom in mixed cabin 1, battery pack group and high voltage box 22 are sequentially arranged from top to bottom in battery cabin 2, battery pack group includes multiple stacked battery packs 21,

[0030] The number of battery compartments 2 is 3, and can also be 2 or 4, which is determined according to the volume of the energy storage compartment and the required power.

[0031] The liquid cooling unit 4 is arranged at a corner of the cabin body and at the upper part of the battery pack, which can increase the transverse width and height of the liquid cooling unit 4, so that the size of the liquid cooling unit 4 is larger and the power is higher.

[0032] The liquid cooling main pipe 42 is arranged at the top of the energy storage compartment, the liquid cooling branch pipe 43 is arranged at the two sides of the cabin, and the liquid cooling branch pipe 44 is arranged in the cabin to cool the battery pack 21 in the cabin. Figure 6 The two sides of the cabin refer to the side of the cabin, as shown in the figure, which is the position between the two cabins and the end of the cabin, which facilitates the orderly extension and layout of the liquid cooling pipe.

[0033] Generally, the technical personnel generally arrange the battery pack and the high-voltage box at different positions of the energy storage compartment, or arrange the liquid cooling unit at the bottom of the cabin body. The liquid cooling unit 4 is arranged at the corner of the energy storage compartment and at the upper part of the energy storage compartment, which can increase the transverse width and height of the liquid cooling unit 4, so that the size of the liquid cooling unit 4 is larger and the power is higher.

[0034] The side of the liquid cooling unit 4 is provided with an air inlet, and the top of the liquid cooling unit 4 is provided with an air outlet 41.

[0035] The liquid cooling unit 4 and the battery pack 21 are provided with a partition plate 7 in the mixed cabin 1, which is used to separate the liquid cooling unit 4 and the battery pack 21.

[0036] The number of the battery cabin 2 is 2-10, and the number of the battery pack 21 in the battery pack group is 4-12.

[0037] The cabin door 6 is arranged on the side of the energy storage cabin, and the number of the cabin door 6 corresponds to the number of the cabin. Figure 1 As shown in the figure, two hinges are arranged on the side, and one hinge corresponds to two cabin doors on the left and right.

[0038] The liquid cooling branch pipe 43 and the liquid cooling branch pipe 44 are arranged on one side of the cabin close to the cabin door 6.

[0039] The cabin door 6 and the cabin body of the energy storage cabin are provided with a sealing strip 9, and the sealing strip 9 is a T-shaped sealing strip. Figure 4 As shown in the figure, the T-shaped sealing strip is arranged on the door frame of the cabin body, and the T-shaped long side of the T-shaped sealing strip is closely attached to the cabin ring beam and the cabin door 6 when the cabin door is closed, thereby forming a sealed environment.

[0040] The liquid cooling unit 4 and the battery pack 21 are provided with a partition plate 7 in the mixed cabin 1.

[0041] The liquid cooling unit 4 and the battery pack group are separated into two different areas by the partition plate 7 in the mixed cabin 1.

[0042] The utility model provides a kind of energy storage system, including the energy storage cabin, still including temperature and humidity control system, fire alarm system, emergency system and fire control system, can satisfy 6MWh direct current energy storage system's use demand.

[0043] Those skilled in the art should understand that the above discussion of any embodiment is only intended to be illustrative and is not intended to be limiting to the scope of the present application; the above embodiments or technical features among different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes such as the different aspects of one or more embodiments of the present application as described above, which are not provided in details for the sake of brevity.

[0044] One or more embodiments of the present application are intended to cover all such alternatives, modifications, and variations as falling within the broad scope of the application. Accordingly, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of one or more embodiments of the present application should be included in the scope of the present application.

Claims

1. An energy storage bay characterized by, Including a plurality of cabins arranged longitudinally, wherein partitions (5) are arranged between the cabins, the cabins include a mixing cabin (1), a bus distribution cabin (3), and a plurality of battery cabins (2), the mixing cabin (1) has a liquid cooling unit (4), a battery pack group, and a high-voltage box (22) arranged in sequence from top to bottom, the battery cabin (2) has a battery pack group and a high-voltage box (22) arranged in sequence from top to bottom, and the battery pack group includes a plurality of stacked battery packs (21). The liquid cooling unit (4) includes a liquid cooling main pipe (42), a liquid cooling branch pipe (43) arranged on the liquid cooling main pipe (42), and a liquid cooling sub-pipe (44) arranged on the liquid cooling branch pipe (43), the liquid cooling main pipe (42) is arranged at the top of the energy storage cabin, the liquid cooling branch pipe (43) is arranged on both sides of the cabin, and the liquid cooling sub-pipe (44) extends into the cabin to cool the battery pack (21) in the cabin.

2. The energy storage bunker of claim 1, wherein, The liquid cooling unit (4) is provided with an air inlet on the side, and the liquid cooling unit (4) is provided with an air outlet (41) on the top.

3. The energy storage bunker of claim 1, wherein, The mixing cabin (1) is provided with a partition (7) between the liquid cooling unit (4) and the battery pack (21).

4. The energy storage bunker of claim 1, wherein, The number of battery cabins (2) is 2-10, and the number of battery packs (21) in the battery pack group is 4-12.

5. An energy storage chamber according to any one of claims 1 to 4, wherein, The energy storage cabin is also provided with a cabin door (6), the cabin door (6) is arranged on the side of the energy storage cabin, and the number of cabin doors (6) corresponds to the number of cabins.

6. The energy storage chamber of claim 5, wherein, The liquid cooling branch pipe (43) and the liquid cooling sub-pipe (44) are arranged on one side of the cabin close to the cabin door (6).

7. The energy storage chamber of claim 5, wherein, The cabin door (6) and the cabin body of the energy storage cabin are provided with a sealing strip (9).

8. The energy storage chamber of claim 7, wherein, The sealing strip (9) is a T-shaped sealing strip.

9. The energy storage chamber of claim 5, wherein, The mixing cabin (1) is provided with a partition (7) between the liquid cooling unit (4) and the battery pack (21); the cabin body of the mixing cabin (1) where the liquid cooling unit (4) is located and the partition (7) are provided with a sealing folded edge (11), and a top bubble type sealing strip (12) is arranged between the sealing folded edge (11) and the cabin door (6).

10. An energy storage system characterized by, The energy storage cabin includes the temperature and humidity control system, the fire alarm system, the emergency system, and the fire extinguishing system.

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