Energy storage container

Abstract

The utility model discloses an energy storage container, which belongs to the technical field of battery energy storage and comprises a container body, and a battery cabin, an electrical cabin, a fire-fighting cabin and a liquid cooling cabin which are isolated from one another are arranged in the container body; at least a battery system is arranged in the battery cabin, at least a confluence cabinet and a power distribution cabinet are arranged in the electrical cabin, the electrical cabin is arranged on one side close to the battery cabin, and the electrical cabin and the battery cabin are arranged in parallel along the length direction of the box body; at least a fire fighting system is arranged in the fire fighting cabin, at least a liquid cooling unit is arranged in the liquid cooling cabin, and the fire fighting cabin and the liquid cooling cabin are arranged side by side in the width direction of the box body and located on the outer side of the electrical cabin. According to the design, on one hand, independence of the battery system, the electrical equipment, the liquid cooling unit and the fire extinguishing system on a physical layer is achieved, heat dissipation is facilitated, interference between equipment and signals is reduced, on the other hand, functional distinguishing is achieved, the layout of an inner cavity of the container body is optimized, and maintenance and management of the container are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the battery energy storage technology field especially relates to a kind of energy storage container. BACKGROUND

[0002] Energy storage power station is another kind of effective storage and utilization equipment of energy in recent years, and plays a very important role in supplementing power for power grid, adjusting the peak and valley of power grid, when load is low or not limited, intermittent renewable energy or power grid charges energy storage system;When load is high or limited, energy storage device discharges to power grid to play the role of peak clipping and valley filling and when standby capacity is used.

[0003] In the traditional energy storage container, the busbar cabinet, power distribution cabinet and communication control cabin are usually distributed, which reduces the space utilization of the container, increases the wiring length and increases the cost. For this, the utility model patent with the authorization announcement No. CN 217740708U discloses an energy storage integrated device, which sets the battery cabin 201, the electrical cabin and the converter cabin isolated from each other in the box body. Among them, the battery cabin is integrated with busbar cabinet and battery system. On the one hand, it can save the space of the box body, and on the other hand, it is convenient to simplify the connection between the battery cluster and the busbar cabinet in the battery cabin. But some deficiencies gradually appear in actual use:

[0004] Heat dissipation problem, the battery cluster in the battery cabin will generate heat in the charging and discharging process, and the busbar cabinet will also generate heat in operation, which leads to poor heat dissipation in the battery cabin, and further affects the normal operation of the battery system;

[0005] High maintenance difficulty, although centralized design can facilitate maintenance, but when maintaining the busbar cabinet alone, not only related connecting components need to be disassembled, but also personnel need to frequently enter the battery cabin. The space where the battery is located is not suitable for frequent access of personnel because the battery has high requirements for temperature control;

[0006] Electromagnetic interference, the centralized layout of busbar cabinet and battery exists the problem of mutual interference between high and low voltage signals, which affects the normal operation of the equipment, especially in high frequency application. UTILITY MODEL CONTENT

[0007] The utility model aims to provide an energy storage container, which reasonably separates the space of the container, and solves the above-mentioned deficiencies of the existing traditional container.

[0008] This application provides an energy storage container, wherein the container body is provided with a battery compartment, an electrical compartment, a fire protection compartment and a liquid cooling compartment that are isolated from each other; the battery compartment is provided with at least a battery system, the electrical compartment is provided with at least a combiner cabinet and a distribution cabinet, the electrical compartment is located on the side close to the battery compartment and is arranged in parallel with the battery compartment along the length of the container body; the fire protection compartment is provided with at least a fire protection system, the liquid cooling compartment is provided with at least a liquid cooling unit, the fire protection compartment and the liquid cooling compartment are arranged in parallel along the width of the container body and are located outside the electrical compartment.

[0009] As a preferred embodiment of this application, the battery compartment, electrical compartment, fire compartment and liquid cooling compartment are provided with partitions between each other, and the partitions isolate each compartment into independent spaces, with the outer edge of the partition fixed to the inner wall of the box.

[0010] As a preferred embodiment of this application, the partition is provided with a wiring mechanism; when used for conveying fluid, the wiring mechanism is a wiring pipe, which is a hollow tube that passes through the partition to connect two adjacent compartments, and the pipeline can pass through the wiring pipe to connect to the corresponding equipment; when used for conveying electrical signals, the wiring mechanism is a wiring pipe and a junction box, the wiring pipe is a hollow tube that passes through the partition to connect two adjacent compartments, the cable can pass through the wiring pipe to connect to the corresponding equipment, and the junction box is fixed by an adapter hole provided on the partition, and the connection between the cable and the corresponding equipment is realized through the junction box.

[0011] As a preferred embodiment of this application, the partition includes an outer protective layer and a heat-insulating and flame-retardant layer, wherein the outer protective layer is a sandwich structure and the heat-insulating and flame-retardant layer is disposed within the sandwich structure.

[0012] As a preferred embodiment of this application, the combiner cabinet and the distribution cabinet are arranged along the width direction of the electrical compartment.

[0013] As a preferred embodiment of this application, a door is provided on the box wall corresponding to the battery compartment, electrical compartment, fire compartment and liquid cooling compartment, so as to facilitate access to the corresponding compartment; wherein, liquid cooling door A and liquid cooling door B are respectively opened on the two adjacent box walls at the location of the liquid cooling compartment, and the top of liquid cooling door A and liquid cooling door B are both hinged to the box wall at the corresponding position, and are opened and closed by swinging in the vertical direction.

[0014] As a preferred embodiment of this application, high and low temperature resistant telescopic push rods are respectively provided on the liquid-cooled door body A and liquid-cooled door body B. One end of the telescopic push rod is hinged to the box wall and the other end is hinged to the corresponding door frame. The telescopic push rods control the liquid-cooled door body A and liquid-cooled door body B to swing in the vertical direction, thereby realizing opening and closing.

[0015] As a preferred scheme of the present application, the fire-fighting system comprises a fire-fighting controller and a fire-fighting device, and the fire-fighting device comprises a fire-fighting pipeline which is communicated to the electrical cabin, the battery cabin and the liquid cooling cabin.

[0016] As a preferred scheme of the present application, a monitoring system is further comprised, and the monitoring system at least comprises a camera arranged in the electrical cabin, the battery cabin and the liquid cooling cabin, and the monitoring system accesses the power distribution cabinet in the electrical cabin.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The present application divides the cabin into the battery cabin, the electrical cabin, the fire-fighting cabin and the liquid cooling cabin, which realizes the independence of the battery system, the electrical equipment, the liquid cooling unit and the fire-fighting system in the physical layer, is beneficial to heat dissipation, reduces the interference between the equipment and signals, realizes the function division, optimizes the space layout of the cabin cavity, and is beneficial to the maintenance and management of the container. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 An internal overall structure schematic diagram of the energy storage container is provided.

[0020] Figure 2 An internal front view structure schematic diagram of the energy storage container is provided.

[0021] Figure 3 A sectional view structure schematic diagram of the partition plate is provided.

[0022] Figure 4 A sectional view structure schematic diagram of the partition plate is provided. Figure 3 A local enlarged schematic diagram of A in the middle is provided.

[0023] Figure 5 A schematic diagram of the opening state of the liquid cooling door body A and the liquid cooling door body B is provided.

[0024] REFERENCE NUMERALS

[0025] 100 is the cabin, 101 is the liquid cooling door body A, 102 is the liquid cooling door body B, 103 is the telescopic push rod, 104 is the double-door, 105 is the single-door, 201 is the battery cabin, 202 is the battery rack, 203 is the battery pack, 204 is the electrical cabin, 205 is the liquid cooling cabin, 206 is the fire-fighting cabin, 207 is the partition plate, 2071 is the outer protective layer, 2072 is the heat-insulating and fire-retardant layer, 208 is the wiring pipe, 301 is the busbar cabinet, 302 is the power distribution cabinet, and 401 is the camera. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with specific implementation and by referring to the drawings. It should be emphasized that the following description is only exemplary and not used as a limitation on the scope and application of the utility model.

[0027] As Figures 1-2 shown, it is an internal structure schematic diagram of an energy storage container provided by the embodiment, the energy storage container comprises a box body 100, the box body 100 is a rectangular body, and a battery cabin 201, an electrical cabin 204, a fire-fighting cabin 206 and a liquid cooling cabin 205 are arranged in the box body 100 and are isolated from each other, at least a battery system is arranged in the battery cabin 201, the battery system comprises a battery rack 202 and a plurality of battery clusters fixed on the battery rack 202, and the battery clusters are connected in series and parallel to supply power to the power grid; at least a busbar cabinet 301 and a distribution cabinet 302 are arranged in the electrical cabin 204, the electrical cabin 204 is arranged on the side close to the battery cabin 201 and is arranged in parallel with the battery cabin 201 along the length direction of the box body 100, the electrical cabin 204 is arranged close to the battery cabin 201 to realize the separation of the electrical equipment and the battery system area, and the wiring length can be effectively shortened and the wiring path can be optimized; at least a fire-fighting system is arranged in the fire-fighting cabin 206, and at least a liquid cooling unit is arranged in the liquid cooling cabin 205, the fire-fighting cabin 206 and the liquid cooling cabin 205 are arranged in parallel along the width direction of the box body 100 and are located on the outer side of the electrical cabin 204, that is, the fire-fighting cabin 206 and the liquid cooling cabin 205 are arranged in parallel on the box body 100 and are located at the opposite ends of the battery cabin 201, so that the shortest path requirement between the electrical cabin 204 and the battery cabin 201 is realized, and the space layout of the box body 100 is optimized while realizing the functional division.

[0028] As can be known from the above, the box body 100 is isolated into the battery cabin 201, the electrical cabin 204, the fire-fighting cabin 206 and the liquid cooling cabin 205, on the one hand, the battery system, the electrical equipment, the liquid cooling unit and the fire-fighting system are independent in the physical layer, which is beneficial to heat dissipation and reduces the interference between the equipment and signals, and on the other hand, the functional division is realized, the space layout and the line layout in the box body 100 are optimized, and the maintenance and management of the container are facilitated.

[0029] In the electrical cabin 204, the busbar cabinet 301 and the distribution cabinet 302 are arranged along the width direction of the electrical cabin 204, and it can be understood that, in order to facilitate heat dissipation, an air flow gap is preferably arranged between the busbar cabinet 301 and the distribution cabinet 302 to ensure that the busbar cabinet 301 and the distribution cabinet 302 can effectively dissipate heat.

[0030] The electrical cabin 204 is arranged adjacent to the battery cabin 201, which is conducive to the power lines in the battery system accessing the busbar cabinet 301 in the shortest path, effectively simplifying the line layout, and converging the output currents of the multiple battery clusters in the battery system together through the busbar cabinet 301 and then uniformly outputting; the power distribution cabinet 302 is the control center of the container, mainly used for power distribution, system monitoring and management, etc.; integrating the power distribution cabinet 302 and the busbar cabinet 301 in the same electrical cabin 204 is not only conducive to the maintenance and management of electrical equipment, but also reduces the need for workers to frequently enter and exit the battery cabin 201 compared to the traditional arrangement of the busbar cabinet 301 in the battery cabin 201, which is conducive to strictly controlling the temperature in the battery cabin 201, and at the same time, improves the safety of workers.

[0031] As shown in Figure 1 The battery cabin 201, the electrical cabin 204, the fire-fighting cabin 206 and the liquid cooling cabin 205 are each arranged with a partition plate 207, which separates each cabin into a mutually independent space, and the outer edge of the partition plate 207 is fixed to the inner wall of the box body 100. It can be understood that, since the fire-fighting cabin 206 and the liquid cooling cabin 205 are arranged along the width direction of the box body 100, they share a partition plate 207 that separates the electrical cabin 204. It can be seen that this design not only optimizes the spatial layout of the box body 100, but also saves the material of the partition plate 207.

[0032] It can be understood that the partition plate 207 should meet the needs of high and low temperature resistance. The partition plate 207 of the embodiment comprises an outer protective layer 2071 and a heat-insulating and flame-retardant layer 2072, as shown in Figures 3-4 The outer protective layer 2071 is a sandwich structure, and the heat-insulating and flame-retardant layer 2072 is arranged in the sandwich structure. In the embodiment, the outer protective layer 2071 is preferably made of steel plate, and the two steel plates form a sandwich structure, and the heat-insulating and flame-retardant layer 2072 is clamped in the sandwich. It can be understood that the constituent material of the heat-insulating and flame-retardant layer 2072 can be any one of rock wool and aluminum silicate fiber or a composite material of the two.

[0033] The partition plate 207 is provided with a wiring mechanism, which comprises a wiring pipe 208 or a wiring box.

[0034] When used for conveying fluid (which includes cooling liquid or fire-fighting gas, etc.), the wiring mechanism is a wiring pipe 208, which is a hollow pipe body that connects the adjacent two cabins through the partition plate 207, as shown in Figures 3-4As shown, the pipeline can pass through the wiring pipe 208 to access the corresponding equipment; for example, the cooling liquid pipeline of the liquid cooling unit in the liquid cooling cabin 205 passes through the wiring pipe 208 to access the quick plug on both ends of each battery pack 203 in the battery cabin 201 to complete the assembly of the battery cooling system; the fire extinguishing system includes a fire extinguishing controller and a fire extinguishing device, and the fire extinguishing device includes a fire extinguishing pipeline that passes through the wiring pipe 208 to communicate with the electrical cabin 204, the battery cabin 201 and the liquid cooling cabin 205 for fire extinguishing as needed; It can be understood that the inner and outer diameters of the wiring pipe 208 can be selected according to actual needs, and in addition, in order to achieve the sealing function between the cabin bodies, a high-temperature-resistant sealing ring or sealing gasket is used to seal the through hole position of the wiring pipe 208 and the partition plate 207 and the connection position of the wiring pipe 208 and the pipeline.

[0035] When used for conveying power signals, the wiring mechanism is the wiring pipe 208 and the wiring box, the wiring pipe 208 is a hollow pipe body, which communicates between the two adjacent cabin bodies through the partition plate 207, as shown in the figure Figures 3-4 As shown, the cable can pass through the wiring pipe 208 to access the corresponding equipment; the wiring box is fixed through the matching hole provided on the partition plate 207, and the connection between the cable and the corresponding equipment is realized through the wiring box; the wiring box of the embodiment is preferably high-temperature-resistant, and specifically can adopt the BOXTB-4AT series industrial wiring box, which can work at -20°C to +100°C, meeting the requirements of being arranged in the energy storage box. The wiring box is fixed in the matching hole of the partition plate 207 by bolts, and the matching hole is sealed by a high-temperature-resistant sealing ring or sealing gasket. The number of wiring boxes and the selection of wiring terminals are selected according to actual conditions. The wiring box of the embodiment is mainly used to connect the power lines of each battery pack 203 in the battery cabin 201 to the collection cabinet.

[0036] It can be understood that the specific arrangement position of the wiring mechanism on the partition plate 207 should be designed according to the actual wiring needs, and the embodiment is preferably arranged at a position close to the bottom of the partition plate 207.

[0037] In addition, when the wiring mechanism is the wiring pipe 208, the pipe diameter of the wiring pipe 208 can allow multiple cables or pipelines to pass through at the same time, which can reduce the number of openings on the partition plate 207 and improve the integrity of the partition plate 207. Of course, in order to facilitate the lead, only one cable or pipeline can also be allowed to pass through.

[0038] A door body is arranged on the wall of the box 100 corresponding to the battery cabin 201, the electrical cabin 204, the fire-fighting cabin 206 and the liquid cooling cabin 205, and the corresponding cabin body can be accessed through the door body; specifically, a double-door 104 is arranged on the wall of the box 100 corresponding to the battery cabin 201, and a single-door 105 is arranged on the wall of the box 100 corresponding to the electrical cabin 204, the liquid cooling cabin 205 and the fire-fighting cabin 206, wherein, since the liquid cooling cabin 205 is located at the end of the box 100, in order to achieve better heat dissipation and air permeation, the liquid cooling door body A 101 and the liquid cooling door body B 102 are preferably arranged on the adjacent two walls of the box 100 at the position of the liquid cooling cabin 205, the top of the liquid cooling door body A 101 and the liquid cooling door body B 102 are hinged to the wall of the box 100 at the corresponding position, and the opening and closing of the liquid cooling door body A 101 and the liquid cooling door body B 102 is achieved by swinging in the vertical direction.

[0039] As shown in Figure 5 , the liquid cooling door body A 101 and the liquid cooling door body B 102 are in the open state, as shown in the figure, a high and low temperature resistant telescopic push rod 103 is arranged on the liquid cooling door body A 101 and the liquid cooling door body B 102, one end of the telescopic push rod 103 is hinged to the wall of the box 100, and the other end is hinged to the door body frame, the opening and closing of the liquid cooling door body A 101 and the liquid cooling door body B 102 is achieved by swinging in the vertical direction through the telescopic push rod 103; compared with the traditional horizontal direction swinging opening and closing mode, on the one hand, the liquid cooling door body A 101 and the liquid cooling door body B 102 can avoid mutual collision and interference when they are opened at the same time, and on the other hand, the sealing performance of the door body is better; it can be understood that the telescopic push rod is a traditional electric telescopic cylinder or a manual telescopic cylinder, the specific effective stroke and load bearing range of the telescopic cylinder can be selected according to actual needs, and the embodiment does not make specific limitations here to ensure that the door body is safely supported.

[0040] It also comprises a monitoring system, as shown in Figures 1-2 , the monitoring system at least comprises a camera 401 arranged in the electrical cabin 204, the battery cabin 201 and the liquid cooling cabin 205, the monitoring system is connected to the power distribution cabinet 302 in the electrical cabin 204, and the state in the electrical cabin 204, the battery cabin 201 and the liquid cooling cabin 205 can be monitored in real time through the camera 401, which is beneficial to the staff to timely master the dynamics in each cabin body.

[0041] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the present application, some improvements can be made, which should also be regarded as the protection scope of the present application, and these will not affect the effect and practicability of the present application. The protection scope of the present application should be subject to the content of the claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An energy storage container, comprising a container body, characterized in that, The enclosure contains isolated battery compartment, electrical compartment, fire compartment, and liquid cooling compartment. The battery compartment contains at least a battery system, and the electrical compartment contains at least a combiner cabinet and a distribution cabinet. The electrical compartment is located on the side closest to the battery compartment and is arranged parallel to the battery compartment along the length of the enclosure. The fire compartment contains at least a fire suppression system, and the liquid cooling compartment contains at least a liquid cooling unit. The fire compartment and the liquid cooling compartment are arranged parallel to each other along the width of the enclosure and are located outside the electrical compartment.

2. The energy storage container according to claim 1, characterized in that, The battery compartment, electrical compartment, fire compartment, and liquid cooling compartment are each separated by a partition, which isolates each compartment into an independent space. The outer edge of the partition is fixed to the inner wall of the box.

3. The energy storage container according to claim 2, characterized in that, The partition is equipped with a wiring mechanism. When used for conveying fluid, the wiring mechanism is a hollow conduit that passes through the partition to connect two adjacent compartments, and the pipeline can pass through the conduit to connect to the corresponding equipment. When used for conveying electrical signals, the wiring mechanism consists of a conduit and a junction box. The conduit is a hollow conduit that passes through the partition to connect two adjacent compartments, and the cable can pass through the conduit to connect to the corresponding equipment. The junction box is fixed by an adapter hole provided on the partition, and the cable can be connected to the corresponding equipment through the junction box.

4. The energy storage container according to claim 2, characterized in that, The partition includes an outer protective layer and a heat-insulating and flame-retardant layer. The outer protective layer is a sandwich structure, and the heat-insulating and flame-retardant layer is disposed within the sandwich structure.

5. The energy storage container according to claim 1, characterized in that, Inside the electrical compartment, the combiner cabinet and the distribution cabinet are arranged along the width of the electrical compartment.

6. The energy storage container according to claim 1, characterized in that, Doors are provided on the walls of the enclosures corresponding to the battery compartment, electrical compartment, fire compartment, and liquid cooling compartment, facilitating access to the corresponding compartments. Liquid cooling doors A and B are respectively provided on the two adjacent walls of the enclosure where the liquid cooling compartment is located. The tops of liquid cooling doors A and B are hinged to the corresponding walls of the enclosures and are opened and closed by swinging in the vertical direction.

7. The energy storage container according to claim 6, characterized in that, The liquid-cooled door A and liquid-cooled door B are respectively equipped with telescopic push rods resistant to high and low temperatures. One end of the telescopic push rod is hinged to the wall of the box, and the other end is hinged to the corresponding door frame. The telescopic push rods control the liquid-cooled door A and liquid-cooled door B to swing in the vertical direction, thereby realizing opening and closing.

8. The energy storage container according to claim 1, characterized in that, The fire protection system includes a fire controller and fire protection equipment, and the fire protection equipment includes fire protection pipes that connect to the electrical compartment, battery compartment and liquid cooling compartment.

9. The energy storage container according to claim 1, characterized in that, It also includes a monitoring system, which includes at least cameras installed in the electrical compartment, battery compartment and liquid cooling compartment, and the monitoring system is connected to the power distribution cabinet in the electrical compartment.

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