TWI705638B - Energy storage system equipment - Google Patents

Abstract

An energy storage system equipment includes an energy storage container and a plurality of battery stacks. The interior of the storage container includes a control room, a battery room and an inner compartment wall. The inner compartment wall is partitioned between the control room and the battery room, wherein the battery room includes an outer side wall, an inner side board, a accommodation box and a walkway space. The interlayer between the outer side wall and the inner side board forms a heat dissipation compartment, the outer side wall defines a heat dissipation hole, the inner side board defines a vent hole, the heat dissipation hole and the vent hole respectively communicate with the heat dissipation compartment, and the accommodation box is disposed between the inner side board and the walkway space. The accommodating box includes a backplane, and the backplane defines a heat discharging port, and the heat discharging port corresponds to the vent hole of the inner side board. The battery stacks are accommodated in the accommodation box.

Description

Energy storage system equipment

The invention relates to a storage device, in particular to an energy storage system device.

In order to effectively improve the efficiency of the grid, use flexibility and adaptability, or integrate renewable energy power generation (such as solar power, hydropower or wind power), energy storage technology has become an indispensable development focus for the development of smart grids and renewable energy applications. For example, energy storage equipment can adjust the mismatch between peak power consumption and peak power generation, so that the utilization rate of renewable energy power generation can be effectively improved, and it can avoid power abandonment or reduce traditional peak load.

Generally, energy storage equipment mainly stores electric energy through battery packs. However, the battery pack generates a lot of heat energy during the charging and discharging process, which causes the temperature of the battery pack storage space to continue to increase, causing the battery pack or other equipment to malfunction or accidents (Such as a fire).

In view of the foregoing, in one embodiment, an energy storage system device is provided, including an energy storage cabinet and a plurality of batteries stacked. The energy storage cabinet includes a control room, a battery room, and an inner partition wall. The inner partition wall separates the control room and the battery room. The battery room includes an outer side wall, an inner side panel, at least one storage box and aisle In the space, a heat dissipation compartment is formed by sandwiching between the outer side wall and the inner plate, the outer side wall is provided with at least one heat dissipation hole, the inner plate is provided with at least one vent, at least one heat dissipation hole and at least one vent are respectively connected to the heat dissipation compartment, and the housing box It is arranged between the inner side board and the aisle space, and the accommodating box includes a back board, the back board is provided with at least one heat exhaust port, and the heat exhaust port corresponds to the vent connected to the inner side board. A plurality of batteries are stacked in the accommodating box.

In summary, according to the energy storage system device of the embodiment of the present invention, a heat dissipation compartment is formed in the battery compartment, and the heat exhaust port of the back plate of the storage box of the battery stack is connected to the heat dissipation compartment, so that the battery stack operates. The heat generated can be concentrated into the heat dissipation compartment and discharged from the heat dissipation holes on the outer side wall to the outside of the energy storage cabinet, so as to avoid overheating of the battery room and affect the operation of the battery stack, reduce the load of the air conditioning system or cause accidents (such as fire) occur.

Various embodiments are presented below for detailed description. However, the embodiments are only used as examples for description and do not limit the scope of the present invention. In addition, some elements are omitted from the drawings in the embodiments to clearly show the technical features of the present invention. The same reference numerals will be used to indicate the same or similar elements in all drawings.

FIG. 1 is a perspective view of an embodiment of the energy storage system equipment of the present invention, and FIG. 2 is an internal schematic diagram of an embodiment of the energy storage system equipment of the present invention. As shown in FIG. 1 and FIG. 2, the energy storage system device 1 of this embodiment includes an energy storage cabinet 10 and a plurality of battery stacks 20. The multiple battery stacks 20 of the energy storage system equipment 1 can be used to store electrical energy generated by the power grid or renewable energy equipment (such as solar power generation equipment, hydroelectric power generation equipment or wind power generation equipment), so as to greatly increase the power generation utilization rate of the power grid and renewable energy equipment .

As shown in Figures 1 and 2, the energy storage system device 1 of this embodiment is a large-scale energy storage device. For example, the energy storage cabinet 10 of the energy storage system device 1 is a large-scale container (such as a length of 20 feet, 40 feet). It can be placed in indoor and outdoor spaces, but it is not limited. The energy storage system equipment 1 can also be a large energy storage station. The energy storage cabinet 10 has multiple independent spaces inside. In this embodiment, the energy storage cabinet 10 includes a control room 11, a battery room 15 and an internal partition wall 101. The energy storage cabinet 10 is shown in FIG. The ceiling 13 is omitted to show the internal structure of the energy storage cabinet 10 clearly. Among them, the inner partition wall 101 is a partition wall inside the energy storage cabinet 10, and the inner partition wall 101 is separated between the control room 11 and the battery room 15, that is, the inner partition wall 101 divides the energy storage cabinet The interior of 10 is divided into a control room 11 and a battery room 15. In some embodiments, the inner partition wall 101 may be a fireproof inner partition wall. For example, the inner partition wall 101 may be a non-combustible material (such as concrete, brick, hollow brick, tile, stone, steel, aluminum, glass, fiberglass). , Mineral wool, ceramics, mortar or lime and other materials that do not burn, melt, rupture, deform, and produce harmful gases due to fire heat), which can effectively avoid fire in the control room 11 or battery room 15 Expand the scope of disasters.

As shown in FIG. 2, in this embodiment, the battery chamber 15 includes a plurality of outer side walls 16, a plurality of inner panels 17, a plurality of storage boxes 18 and aisle space 19, and the plurality of storage boxes 18 are arranged in the battery chamber. 15 inside. Please cooperate with FIG. 3, which is a perspective view of an embodiment of the accommodating box of the present invention. In this embodiment, each accommodating box 18 may be a box body, and each accommodating box 18 contains a plurality of battery stacks 20 inside. For example, each storage box 18 has a front door 183. During the installation of the battery stack 20, the worker can open the front door 183 and place multiple battery stacks 20 into each storage box 18, and then put the front door 183 Close to complete the installation.

In some embodiments, each battery stack 20 described above can be an electrochemical battery (for example, a lead-acid, lithium, sodium, nickel, or flow battery, etc.) to utilize the electrochemical potential energy stored in the battery cell, electrode or electrolyte to perform Fast charging and discharging. The control room 11 is provided with a power distribution device 12, for example, the power distribution device 12 may include a feeder, an isolating switch, a circuit breaker, and a power transformer, etc. The power distribution device 12 is electrically connected to each battery stack 20 in each containing box 18, To cut off, switch on, change or adjust the voltage.

As shown in FIG. 2 again, in this embodiment, there is a firewall 151 in the battery compartment 15 which divides the battery compartment 15 into two parts, that is, the battery compartment 15 is further divided into two independent compartments 152 Each independent compartment 152 stores multiple storage boxes 18 for energy storage operations. The firewall 151 can also be made of non-combustible materials (such as concrete, brick, hollow brick, tile, stone, steel, aluminum, glass, fiberglass). , Mineral wool, ceramics, mortar or lime and other materials that do not burn, melt, break and deform and generate harmful gases due to fire heat) make one of the independent compartments 152 of the battery room 15 fire, It can effectively prevent the disaster from expanding to another independent compartment 152 or the control room 11, so that the battery stack 20 in the other independent compartment 152 can still continue to perform energy storage operations.

As shown in Figures 1 and 2, each independent compartment 152 of the battery compartment 15 is provided with two outer side walls 16, two inner side plates 17 and a plurality of containing boxes 18, and the two outer side walls 16 are respectively located in the independent compartment 152 Opposite the two outer walls, the two inner panels 17 are respectively adjacent to the two outer side walls 16, and each inner panel 17 and the adjacent outer side wall 16 are sandwiched to form a heat dissipation compartment C, and the aisle space 19 is between the two inner panels 17 And the heat dissipation compartment C are isolated from each other and not connected. 1 to 4, in this embodiment, each outer side wall 16 is provided with a heat dissipation hole 161 to communicate with the outer space of the energy storage cabinet 10, and each inner side plate 17 is provided with a vent 171, and the heat dissipation hole 161 and the vent 171 are respectively connected to each heat dissipation compartment C. A plurality of accommodating boxes 18 are respectively arranged between the inner side plate 17 and the aisle space 19. Each accommodating box 18 includes a back plate 181, which is located on the opposite side of the front door 183, and the front door 183 faces the aisle space 19 so that the staff It is convenient to repair or replace the battery stack 20 in the aisle space 19. The back plate 181 of each accommodating box 18 is provided with a heat exhaust port 182, and the heat exhaust port 182 corresponds to the vent 171 of each inner side plate 17, whereby the heat generated by the operation of the battery stack 20 in each accommodating box 18 The heat exhaust port 182 is introduced into each heat dissipation compartment C in a concentrated manner, and is discharged from the heat dissipation hole 161 of the outer side wall 16 to the outside of the energy storage cabinet 10. Different embodiments of this cooperation are described in detail below.

As shown in Figures 1 to 4, in this embodiment, a plurality of accommodating boxes 18 in each independent compartment 152 of the battery compartment 15 respectively bear on the two inner side plates 17, where each inner side plate 17 supports There are four containing boxes 18, but this is not limited. The back plate 181 of each accommodating box 18 is provided with a plurality of heat exhaust ports 182. The plurality of heat exhaust ports 182 can be arranged linearly (as shown in FIG. Each heat exhaust port 182 has multiple vents 171 corresponding to the multiple heat exhaust ports 182, so that the heat generated by the operation of the battery stack 20 of each containing box 18 can be directly introduced from the heat exhaust port 182 to each heat dissipation compartment C without being transferred to the aisle space 19. In addition, the heat energy introduced into the heat dissipation compartments C can be discharged from the heat dissipation holes 161 of the outer side wall 16 to the outside of the energy storage cabinet 10 to exchange heat with the outside to achieve the effect of natural heat dissipation. This prevents the battery compartment 15 from overheating and affects the operation of the battery stack 20 and accidents (such as fire), and at the same time prevents the indoor temperature of the aisle space 19 from being affected by the heat generated by the battery stack 20 from increasing.

However, the foregoing embodiment is only an example. As shown in FIG. 5, in another embodiment, the vent 172 of the inner plate 17 in the battery compartment 15 can also be a large-area hole to simultaneously cover the back of each accommodating box 18 The heat exhaust ports 182 on the plate 181, for example, the vents 172 here are elongated holes, but they can also be holes of other shapes (for example, square or rectangular, etc.). Compared with the embodiment of FIG. 4, this embodiment can prevent the inside plate 17 from being unable to correctly correspond to the heat exhaust ports 182 due to manufacturing tolerances, thereby reducing the difficulty in manufacturing. In addition, the inner side plate 17 is easier to apply to the containing box 18 with different arrangements of the heat exhaust ports 182.

As shown in Figure 1, Figure 2, Figure 4 and Figure 6, where Figure 6 is a cross-sectional view of Figure 2 6-6. In this embodiment, each outer side wall 16 of the battery compartment 15 is further provided with a convection hole 162, the height of the convection hole 162 is lower than the height of the heat dissipation hole 161, when the battery stack 20 in each containing box 18 operates After the heat energy is introduced into each heat dissipation compartment C from the heat exhaust port 182 through the vent 171, the hot air in each heat dissipation compartment C can rise and be discharged through the heat dissipation hole 161, and the cold air outside the energy storage cabinet 10 can be convective The holes 162 enter each heat dissipation compartment C to achieve the effect of generating natural convection (shown by arrow F in Fig. 6) to accelerate the cooling.

As shown in FIG. 7, in some embodiments, each heat dissipation hole 161 on the side wall 16 outside the battery compartment 15 may be further provided with an exhaust fan 30. When the exhaust fan 30 operates, the hot air in each heat dissipation compartment C can be accelerated. Exhaust and accelerate the external cold air from the convection hole 162 into each heat dissipation compartment C to achieve the effect of accelerating heat dissipation and convection. In addition, each convection hole 162 on the outer side wall 16 of the battery chamber 15 can also be provided with an exhaust fan 31 to further accelerate the heat dissipation and convection effect.

In some embodiments, the above-mentioned inner side plates 17 may be non-combustible materials (such as concrete, bricks, hollow bricks, tiles, stones, steel, aluminum, glass, glass fiber, mineral wool, ceramics, mortar, or lime, etc.), which are not caused by fire. The fireproof board made of materials that burn, melt, rupture and deform and produce harmful gases) can effectively prevent the disaster from expanding to the heat dissipation compartment C or the outside of the energy storage cabinet 10 when a fire occurs in the battery room 15. However, this is not limited, and each inner side plate 17 can also be made of other materials.

As shown in Figures 6 and 7, in some embodiments, the aisle space 19 of the battery compartment 15 can be further connected to the air outlet 41 of the air conditioner 40 to introduce cold air into the aisle space 19 to reduce the indoor temperature. To further prevent the battery compartment 15 from overheating. In addition, since the aisle space 19 and each heat dissipation compartment C are isolated from each other, the heat generated by the operation of the battery stack 20 of each accommodating box 18 will not be transferred to the aisle space 19, and therefore, the load of the air conditioning device 40 can be greatly reduced It can further achieve the effect of energy saving and electricity saving.

As shown in FIG. 1, in some embodiments, each outer side wall 16 of the battery chamber 15 may be provided with a maintenance door 163, and the above-mentioned heat dissipation hole 161 is provided on the maintenance door 163, whereby the staff can access the energy storage cabinet The maintenance door 163 is opened on the outside of the body 10 to repair or replace related equipment in the battery compartment 15.

In summary, according to the energy storage system device 1 of the embodiment of the present invention, the heat dissipation compartment C is formed in the battery compartment 15, and the heat exhaust port 182 of the back plate 181 of the storage box 18 of the battery stack 20 is connected to the heat dissipation compartment C, the heat generated by the operation of the battery stack 20 can be concentrated into the heat dissipation compartment C and discharged from the heat dissipation hole 161 of the outer side wall 16 to the outside of the energy storage cabinet 10, so as to prevent the battery compartment 15 from overheating and affect the operation of the battery stack 20 and reduce The load of the air conditioning system may cause an accident (such as a fire).

Although the technical content of the present invention has been disclosed in the preferred embodiments as above, it is not intended to limit the present invention. Anyone who is familiar with this technique and makes some changes and modifications without departing from the spirit of the present invention should be covered by the present invention Therefore, the scope of protection of the present invention shall be subject to the scope of the attached patent application.

1: Energy storage system equipment 10: Energy storage cabinet 101: inner partition wall 11: Control room 12: Power distribution device 13: Ceiling 15: battery room 151: Firewall 152: Independent compartment 16: outer wall 161: cooling hole 162: Convection Hole 163: Repair Door 17: inner panel 171, 172: Vent 18: storage box 181: Backplane 182: Heat exhaust port 183: front door 19: Aisle space C: cooling compartment 20: battery stack 30: exhaust fan 31: Exhaust fan 40: Air Conditioner 41: Outlet F: Arrow

[Figure 1] is a perspective view of an embodiment of the energy storage system equipment of the present invention. [Figure 2] is an internal schematic diagram of an embodiment of the energy storage system equipment of the present invention. [Figure 3] is a perspective view of an embodiment of the accommodating box of the present invention. [Figure 4] is a partial exploded perspective view of an embodiment of the energy storage system equipment of the present invention. [Figure 5] is a partial exploded perspective view of another embodiment of the energy storage system equipment of the present invention. [Figure 6] is a cross-sectional view of 6-6 in Figure 2. [Figure 7] is a cross-sectional view of another embodiment of the energy storage system equipment of the present invention.

1: Energy storage system equipment

10: Energy storage cabinet

101: inner partition wall

11: Control room

12: Power distribution device

15: battery room

151: Firewall

152: Independent compartment

16: outer wall

17: inner panel

18: storage box

19: Aisle space

C: cooling compartment

Claims (9)

An energy storage system equipment includes: an energy storage cabinet, which includes a control room, a battery room, and an inner partition wall, the inner partition wall is separated between the control room and the battery room, wherein, The battery compartment includes an outer side wall, an inner side plate, at least one accommodating box, and an aisle space. A heat dissipation compartment is formed between the outer side wall and the inner side plate. The outer side wall is provided with at least one heat dissipation hole and at least a convection The height position of the at least one pair of flow holes is lower than the height position of the at least one heat dissipation hole, the inner side plate is provided with at least one vent, the at least one heat dissipation hole and the at least one vent are respectively connected to the heat dissipation compartment, the At least one accommodating box is disposed between the inner side plate and the aisle space, the at least one accommodating box includes a back plate, the back plate is provided with at least one row of heat openings, and the at least one row of heat openings is correspondingly connected to the inner plate The at least one vent; and a plurality of battery stacks are accommodated in the at least one accommodating box; wherein, the at least one heat dissipation hole and the at least one pair of flow holes opened in the outer side wall communicate with the outside of the energy storage cabinet Space enables the heat dissipation compartment to generate natural convection with the outside; wherein, the heat dissipation compartment and the walkway space are isolated from each other, so that the heat dissipation compartment and the walkway space are not connected to each other. The energy storage system device according to claim 1, wherein the outer side wall is provided with a maintenance door, and the at least one heat dissipation hole is provided on the maintenance door. The energy storage system device according to claim 1, wherein an exhaust fan is further provided at the at least one heat dissipation hole. The energy storage system equipment according to claim 1, wherein the inner partition wall is a fireproof inner partition wall. The energy storage system device according to claim 1, wherein the battery room further includes a firewall, and the firewall divides the battery room into multiple parts. The energy storage system device according to claim 1, wherein the back plate is provided with a plurality of the heat exhaust ports, the inner side plate is provided with a plurality of the vents, and the heat exhaust ports are respectively connected with the vents. The energy storage system device according to claim 1, wherein the back plate is provided with a plurality of the heat exhaust ports, and the at least one vent of the inner side plate is correspondingly connected with the heat exhaust ports. The energy storage system device according to claim 1, wherein the aisle space is further connected to an air outlet of an air conditioning device. The energy storage system equipment according to claim 1, wherein a power distribution device is provided in the control room, and the battery stacks are electrically connected to the power distribution device.

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