Movable ultra-large electric quantity energy storage system

Abstract

The utility model discloses a movable super-large electric quantity energy storage system which comprises a vehicle body, a first-layer container and a second-layer container, the first-layer container is fixedly arranged on the vehicle body, the second-layer container is fixedly arranged on the top of the first-layer container, and the second-layer container is fixedly arranged on the top of the second-layer container. A plurality of battery clusters, a plurality of confluence cabinets and a fire-fighting cabinet which are distributed in an array mode are fixed in the first-layer container, the plurality of confluence cabinets and the fire-fighting cabinet are close to the front side of the first-layer container, and a plurality of converters, a plurality of transformers and wire inlet and outlet cabinets are arranged in the second-layer container. The plurality of converters and the plurality of transformers are respectively distributed along the left side and the right side of the inner space of the two-layer container, and the wire inlet and outlet cabinet is close to the rear side of the two-layer container. The power supply not only can store larger electric quantity, but also is higher in safety and reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage system especially relates to a movable super -large electric quantity energy storage system. BACKGROUND

[0002] With market demand for mobile power supply electric quantity is higher and higher, the corresponding category energy storage system also arises at the historic moment, including the movable super -large electric quantity energy storage system using the car as the carrier among them, the existing mobile energy storage system installs the box on the car body, sets up the battery, electric energy management system, inverter system etc. in the box, and the electric control part, energy storage part are integrated in the same box, and the battery compartment and the electrical compartment are integrally arranged, and there is no isolation measure, so there is a security risk. Moreover, limited by the size of the vehicle-mounted box, in addition to the equipment on the alternating side, there is no space for battery installation in this kind of mobile energy storage system, and the electric quantity that can be stored is small, mostly only a few hundred kWh, so it can not meet the actual demand. SUMMARY

[0003] The technical problem to be solved by the utility model is that, in view of the deficiencies of the prior art, a movable super -large electric quantity energy storage system capable of storing larger electric quantity and higher safety and reliability is provided.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme.

[0005] A movable super -large electric quantity energy storage system comprises a car body, a first container and a second container, the first container is fixed on the car body, the second container is fixed on the top of the first container, a plurality of battery clusters, a plurality of busbar cabinets and a fire-fighting cabinet are fixed in the first container, the plurality of busbar cabinets and the fire-fighting cabinet are close to the front side of the first container, a plurality of converters, a plurality of transformers and an incoming and outgoing line cabinet are arranged in the second container, the plurality of converters and the plurality of transformers are arranged along the left and right sides of the internal space of the second container respectively, and the incoming and outgoing line cabinet is close to the rear side of the second container.

[0006] Preferably, an EMS electric energy management device is arranged in the second container.

[0007] Preferably, the EMS electric energy management device is arranged adjacent to the converter.

[0008] Preferably, the length and width of the first container are smaller than the length and width of the car body.

[0009] Preferably, the length and width of the second container are the same as the length and width of the first container.

[0010] Preferably, the battery cluster is a liquid-cooled battery cluster.

[0011] The utility model discloses a movable super large electric quantity energy storage system, combine BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the side view of movable super large electric quantity energy storage system of the utility model;

[0013] Fig. 2 It is the section view of one container;

[0014] Fig. 3 It is the section view of two containers. DETAILED DESCRIPTION

[0015] The utility model will be described in more detail in connection with the drawings and examples.

[0016] The utility model discloses a movable super large electric quantity energy storage system, combine Figs. 1 to 3 As shown in the figure, it includes car body 1, one container 2 and two containers 3, one container 2 is fixed on car body 1, two containers 3 are fixed on the top of one container 2, a plurality of battery clusters 20 that are arrayed, a plurality of busbar cabinets 21 and a fire-fighting cabinet 22 are fixed in one container 2, a plurality of busbar cabinets 21 and the fire-fighting cabinet 22 are close to the front side of one container 2, a plurality of converters 30, a plurality of transformers 31 and incoming-outgoing line cabinet 32 are equipped in two containers 3, a plurality of converters 30 and a plurality of transformers 31 are distributed along the left and right sides of the internal space of two containers 3 respectively, and incoming-outgoing line cabinet 32 is close to the back side of two containers 3.

[0017] In the structure, the vehicle body 1 can be a heavy truck, the first layer container 2 is fixed on the vehicle body 1, and the second layer container 3 is fixed on the top of the first layer container 2. The double-layer container structure can place the heavy components such as the battery cluster 20, the busbar cabinet 21 and the fire-fighting cabinet 22 in the first layer container 2, so that the overall gravity center of the energy storage system is lower, the driving process is more stable, and the fire-fighting cabinet 22 in the first layer container 2 can timely put out the fire when the energy storage part has a fire-fighting problem. Furthermore, the control part and the power transformation part are arranged in the second layer container 3. Based on the above double-layer container design, the internal batteries and electrical equipment can be effectively protected from the interference of the external environment, the alternating current and direct current interference can be effectively avoided, the potential safety risk is reduced, and the application requirement is better met.

[0018] As a preferred mode, the second layer container 3 is provided with an EMS electric energy management device 33. Further, the EMS electric energy management device 33 is arranged adjacent to the converter 30. The BMS is a core processing component of the energy storage system, is responsible for monitoring the state of the battery, predicting the life of the battery, protecting the battery from overcharge / overdischarge and the like, and through the BMS electric energy management device, the user can know the health status and performance of the battery in real time.

[0019] For the internal structure of the first layer container: the transport vehicle is used to transport the container type energy storage system from the production place to the installation site, and the transport vehicle has sufficient carrying capacity and stability to ensure the safety of the system during transportation; the first layer container mainly bears the battery related equipment, and the first layer container is specially designed to optimize the layout and heat dissipation of the battery pack; in the embodiment, the battery cluster 20 is a liquid-cooled battery cluster, the battery cluster is the core part of the energy storage system, and the heat dissipation technology can effectively reduce the temperature of the battery during work, improve the performance and life of the battery, the battery cluster usually contains a plurality of battery monomers, and the battery cluster is composed of a battery pack through series connection or parallel connection; the fire-fighting system is used to deal with the fire risk such as battery thermal runaway, and the system is provided with a liquid-cooled fire-fighting system, which can quickly respond and extinguish the fire by spraying cooling liquid or extinguishing agent to protect the safety of the battery and the equipment; the busbar cabinet is used to collect and distribute the output current of a plurality of battery packs, ensures the stability and balance of the current, and is a bridge connecting the battery pack and the subsequent electrical equipment; the auxiliary system includes ventilation, lighting, monitoring and other equipment, and is used to ensure the comfort and safety of the internal environment of the container.

[0020] In order to make the size arrangement of the upper and lower layers reasonable, in the embodiment, the length and width of the one-layer container 2 are smaller than the length and width of the vehicle body 1. Further, the length and width of the two-layer container 3 are the same as the length and width of the one-layer container 2.

[0021] In the two-layer container of the embodiment: the transformer is used to convert high-voltage electric energy into low-voltage electric energy suitable for the energy storage system, and is one of the key equipment in the electrical cabin; the incoming and outgoing line cabinet is used to connect the energy storage system with the power grid or other electrical equipment, and contains electrical elements such as circuit breakers and disconnectors, which are used to control the on-off of the circuit and protect the safety of the circuit.

[0022] Compared with the prior art, the utility model provides more space to load batteries, which is based on the design of the double-layer container, so that the system can accommodate more battery packs, thereby improving the power and energy storage capacity. This layout is particularly important for application scenarios that require long-time power supply or high energy density. At the same time, the utility model separates the AC and DC systems to improve safety, which can effectively avoid mutual interference of AC and DC and reduce potential safety risks, and can make the maintenance and management of the system more convenient and safe. In practical applications, the utility model is suitable for various energy storage scenarios, such as new energy power stations, data centers, electric vehicle charging stations, etc.

[0023] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement or improvement within the technical scope of the utility model should be included in the scope of protection of the utility model.

Claims

1. A portable, ultra-large capacity energy storage system, characterized in that, The container includes a vehicle body (1), a single-layer container (2), and a double-layer container (3). The single-layer container (2) is fixed on the vehicle body (1), and the double-layer container (3) is fixed on the top of the single-layer container (2). The single-layer container (2) contains multiple battery clusters (20), multiple combiner cabinets (21), and a fire cabinet (22) arranged in an array. The multiple combiner cabinets (21) and the fire cabinet (22) are located near the front of the single-layer container (2). The double-layer container (3) contains multiple converters (30), multiple transformers (31), and an inlet / outlet cabinet (32). The multiple converters (30) and multiple transformers (31) are distributed along the left and right sides of the interior space of the double-layer container (3), and the inlet / outlet cabinet (32) is located near the rear of the double-layer container (3).

2. The portable ultra-large capacity energy storage system as described in claim 1, characterized in that, The second-level container (3) is equipped with an EMS power management device (33).

3. The portable ultra-large capacity energy storage system as described in claim 2, characterized in that, The EMS power management device (33) is arranged adjacent to the converter (30).

4. The portable ultra-large capacity energy storage system as described in claim 1, characterized in that, The length and width of the first-layer container (2) are less than the length and width of the vehicle body (1).

5. The portable ultra-large capacity energy storage system as described in claim 1, characterized in that, The length and width of the second-layer container (3) are the same as those of the first-layer container (2).

6. The portable ultra-large capacity energy storage system as described in claim 1, characterized in that, The battery cluster (20) is a liquid-cooled battery cluster.

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