Energy storage integrated cabinet based on temperature control system energy consumption management technology

Abstract

The utility model relates to an energy storage integrated cabinet based on a temperature control system energy consumption management technology, which belongs to the technical field of energy storage equipment and comprises a cabinet body, a battery module, a battery management module, an energy management module, a temperature control module and a fire-fighting module. Wherein a battery management module, an energy management module and a temperature control module are arranged in the electric appliance bin, a battery module and a fire protection module are arranged in the battery bin, the battery module comprises a battery pack, a liquid cooling plate, a power distribution unit and a bidirectional converter, the temperature control module adopts a liquid cooling system, and the temperature of the battery module is controlled through a liquid cooling unit and a liquid cooling pipeline; according to the utility model, the battery management module collects the temperature of the battery cell, and the energy management module controls the temperature control module according to the temperature of the battery cell and a charging and discharging strategy, thereby achieving the intelligent control of the liquid cooling unit, achieving the purposes of optimizing the energy consumption and improving the heat dissipation efficiency, and effectively improving the safety and economical efficiency of an energy storage system.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy storage equipment, and specifically relates to an integrated energy storage cabinet based on temperature control system energy consumption management technology. Background Art

[0002] With the widespread application of renewable energy and the continuous development of power systems, energy storage technology plays an important role in balancing energy supply and demand, improving grid stability and promoting energy efficiency. As an important component of the energy storage system, the performance of the energy storage cabinet directly affects the reliability and economy of the entire energy storage system. The battery modules of the energy storage cabinet will generate a lot of heat during operation. If the heat is not dissipated in time, it will not only affect the performance and life of the battery, but may even cause thermal runaway and cause safety problems. Therefore, it is of great significance for the energy storage cabinet to improve the heat dissipation efficiency and ensure the safe and stable operation of the system. At present, liquid cooling systems are used for the heat dissipation of battery modules in energy storage cabinets, but there are often problems such as high energy consumption, complex control and uneven heat dissipation, resulting in the inability to dynamically adjust according to the actual thermal load and charge and discharge status of the battery during actual operation, and thus the inability to achieve the optimal energy efficiency ratio.

[0003] The prior art discloses a multifunctional integrated liquid-cooled energy storage cabinet with announcement number CN216597744U, which includes a cabinet body, a water-cooling module, a fire protection module, a battery module, a PCS module, and a cluster management module. Although this device solves the heat dissipation problem of the battery module through the liquid cooling system of the water-cooling module, the structural heat exchange efficiency of its liquid cooling system is low and lacks a corresponding control strategy. Utility Model Content

[0004] The technical problem solved by the utility model is to overcome the problems existing in the prior art and provide an energy storage integrated cabinet based on the energy consumption management technology of the temperature control system.

[0005] The technical solutions adopted in this utility model are as follows:

[0006] The energy storage integrated cabinet based on the temperature control system energy consumption management technology described in the present invention includes a cabinet body, and also includes a battery module, an energy management module, a temperature control module and a fire protection module. The energy management module is electrically connected to the temperature control module and the fire protection module respectively, and the fire protection module is electrically connected to the battery module; an electrical compartment and a battery compartment are provided inside the cabinet body, the battery compartment is provided below the electrical compartment, the energy management module and the temperature control module are provided in the electrical compartment, and the battery module and the fire protection module are provided in the battery compartment.

[0007] The battery module includes several battery packs, each with grooves on both sides, a liquid cooling plate under the battery pack, a guide rail at the bottom of the liquid cooling plate, and a flow channel inside the liquid cooling plate.

[0008] The temperature control module includes a liquid cooling unit and a liquid cooling pipe. The liquid cooling unit is arranged in the electrical compartment. The liquid cooling pipe includes a main line arranged in the battery compartment. The main line is connected to several branch lines, and the branch lines are connected to the flow channel.

[0009] A support frame is provided in the battery compartment, which includes side panels on both sides and several partitions in the middle. Several fixing blocks are provided on the side panels, and the fixing blocks cooperate with the grooves; guide rail grooves are provided on both sides of the partitions, and the guide rail grooves cooperate with the guide rails.

[0010] The battery module also includes a power distribution unit and a bidirectional converter. The bidirectional converter is electrically connected to the power distribution unit, and the power distribution unit is electrically connected to the battery pack.

[0011] The energy management module is also connected to a communication module, which uses a 4G wireless network card.

[0012] The energy management module uses the EMS-HC3006 device.

[0013] The utility model has the following beneficial effects:

[0014] The energy storage integrated cabinet based on the temperature control system energy consumption management technology described in the present invention improves the space utilization rate inside the cabinet by arranging the electrical compartment and the battery compartment, which is beneficial to the installation and interaction between the modules; the contact area between the bottom of the battery and the liquid cooling system is increased by the liquid cooling plate and the flow channel inside the liquid cooling plate, thereby improving the heat exchange efficiency and realizing efficient temperature control of the battery module; the cooperation between the guide rail and the guide rail groove, and the cooperation between the fixing block and the groove facilitates the installation of the battery pack while also providing good support and fixation for the battery pack; the communication module can perform multi-platform real-time monitoring of the energy storage equipment to ensure the overall safety and stable operation of the energy storage equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the utility model;

[0016] Figure 2 Schematic diagram of the support frame;

[0017] Figure 3 This is the main view of the battery pack;

[0018] Figure 4 This is a side view of the battery pack;

[0019] Figure 5 Schematic diagram of the internal structure of the liquid cooling plate;

[0020] Figure 6 This is the electrical connection block diagram of the utility model.

[0021] Among them: 1. Cabinet; 2. Battery module; 3. Battery management module; 4. Energy management module; 5. Temperature control module; 6. Fire protection module; 7. Electrical compartment; 8. Battery compartment; 9. Battery pack; 10. Groove; 11. Liquid cooling plate; 12. Guide rail; 13. Flow channel; 14. Liquid cooling unit; 15. Main line; 16. Branch line; 17. Support frame; 18. Side panel; 19. Partition; 20. Fixed block; 21. Guide rail groove; 22. Distribution unit; 23. Bidirectional converter. DETAILED DESCRIPTION

[0022] like Figures 1 to 6 As shown, the energy storage integrated cabinet based on the temperature control system energy consumption management technology described in the present invention includes a cabinet body 1, and also includes a battery module 2, an energy management module 4, a temperature control module 5 and a fire protection module 6. The energy management module 4 is electrically connected to the temperature control module 5 and the fire protection module 6 respectively, and the fire protection module 6 is electrically connected to the battery module 2; an electrical compartment 7 and a battery compartment 8 are provided inside the cabinet body 1, and the battery compartment 8 is provided below the electrical compartment 7, the energy management module 4 and the temperature control module 5 are provided in the electrical compartment 7, and the battery module 2 and the fire protection module 6 are provided in the battery compartment 8.

[0023] The battery module 2 includes several battery packs 9 , each having grooves 10 on both sides, a liquid cooling plate 11 below the battery pack 9 , a guide rail 12 at the bottom of the liquid cooling plate 11 , and a flow channel 13 inside the liquid cooling plate 11 .

[0024] The temperature control module 5 includes a liquid cooling unit 14 and a liquid cooling pipe. The liquid cooling unit 14 is arranged in the electrical compartment 7. The liquid cooling pipe includes a main line 15 arranged in the battery compartment 8. The main line 15 is connected to a plurality of branch lines 16, and the branch lines 16 are connected to the flow channel 13.

[0025] A support frame 17 is provided in the battery compartment 8, and the support frame 17 includes side panels 18 on both sides and several partitions 19 in the middle. Several fixing blocks 20 are provided on the side panels 18, and the fixing blocks 20 cooperate with the grooves 10; guide rail grooves 21 are provided on both sides of the partitions 19, and the guide rail grooves 21 cooperate with the guide rails 12.

[0026] The battery module 2 further includes a power distribution unit 22 and a bidirectional converter 23 . The bidirectional converter 23 is electrically connected to the power distribution unit 22 , and the power distribution unit 22 is electrically connected to the battery pack 9 .

[0027] The energy management module 4 is also connected to a communication module, which uses a 4G wireless network card.

[0028] The energy management module 4 adopts the EMS-HC3006 device.

[0029] Specifically, the battery module 2 is connected to the energy management module 4 via the battery management module 3. The battery management module 3 uses a BMS device, which includes a master control unit model BAU-HC3006, a master control unit model BCU-HC3006, and a slave control unit model BMU-HC3006. Among them, the BAU-HC3006 centrally manages the battery module 2, the BMU-HC3006 is used to monitor the temperature of single cells, and the BCU-HC3006 is used to monitor the temperature of battery clusters. The EMS-HC3006 device uses a Cortex-A7800Mhz processor, which generates instructions based on the collected temperature data and implements the instructions through the I / O interface and actuator.

[0030] Specifically, the battery module 2 includes a connected battery pack 9, a distribution unit 22 and a bidirectional converter 23. The battery pack 9 is the core part of the entire energy storage device. A liquid cooling plate 11 is arranged underneath it. On the one hand, it can support the battery pack 9 to a certain extent. On the other hand, it can exchange heat with the battery pack 9 through multiple rows of liquid cooling pipes to achieve good heat dissipation. The distribution unit 22 is electrically connected to the battery pack 9 for electrical monitoring and fuse electrical protection of the battery pack 9. The bidirectional converter 23 is electrically connected to the distribution unit 22. On the one hand, the bidirectional converter 23 can convert the DC power in the battery pack 9 into AC power and transmit it to the power grid or for user loads. On the other hand, the bidirectional converter 23 can also convert AC power into DC power for charging the battery pack 9.

[0031] Specifically, the grooves 10 on both sides of the battery pack 9 cooperate with the fixing blocks 20 on both sides of the support frame 17 inside the cabinet 1, and the guide rails 12 at the bottom of the battery pack 9 cooperate with the guide rail grooves 21 on both sides of the partition 19 inside the support frame 17, which can facilitate the installation and disassembly of the battery pack 9. At the same time, it can also play a dual fixing role for the battery pack 9 during use, ensuring the stable operation of the battery pack 9.

[0032] Specifically, during the application process, the battery management module 3 collects the cell temperature of the battery module 2, the energy management module 4 controls the temperature control module 5 according to the cell temperature information and the equipment charging and discharging strategy, and the temperature control module 5 controls the start and stop of the liquid cooling unit 14 according to the instructions of the energy management module to control the temperature of the battery module 2; the battery management module 3 collects the cell temperature information of the battery module 2 and sends it to the energy management module 4, the energy management module 4 calculates the temperature control time point based on the charging and discharging time period measurement and cell temperature, when the temperature control time point is not reached, the temperature control module 5 enters the standby state, when the temperature control time point is reached, the temperature control module 5 enters the running state; then, it is necessary to calculate the stop time point according to the temperature control efficiency, when the stop time point is reached, the temperature control module 5 enters the standby state, when the stop time point is not reached, the temperature control module 5 continues to run.

Claims

1. An integrated energy storage cabinet based on temperature control system energy consumption management technology, comprising a cabinet body (1), characterized in that: The cabinet further comprises a battery module (2), an energy management module (4), a temperature control module (5) and a fire protection module (6); the energy management module (4) is electrically connected to the temperature control module (5) and the fire protection module (6), respectively; the fire protection module (6) is electrically connected to the battery module (2); an electrical compartment (7) and a battery compartment (8) are provided inside the cabinet (1); the battery compartment (8) is provided below the electrical compartment (7); the energy management module (4) and the temperature control module (5) are provided in the electrical compartment (7); and the battery module (2) and the fire protection module (6) are provided in the battery compartment (8).

2. The energy storage integrated cabinet based on temperature control system energy consumption management technology according to claim 1 is characterized in that: The battery module (2) includes a plurality of battery packs (9), grooves (10) are provided on both sides of the battery packs (9), a liquid cooling plate (11) is provided below the battery packs (9), a guide rail (12) is provided at the bottom of the liquid cooling plate (11), and a flow channel (13) is provided inside the liquid cooling plate (11).

3. The energy storage integrated cabinet based on the temperature control system energy consumption management technology according to claim 2 is characterized in that: The temperature control module (5) includes a liquid cooling unit (14) and a liquid cooling pipeline. The liquid cooling unit (14) is arranged in the electrical compartment (7). The liquid cooling pipeline includes a main pipeline (15) arranged in the battery compartment (8). The main pipeline (15) is connected to a plurality of branch pipelines (16). The branch pipelines (16) are connected to the flow channel (13).

4. The energy storage integrated cabinet based on temperature control system energy consumption management technology according to claim 2 is characterized in that: A support frame (17) is provided in the battery compartment (8), and the support frame (17) includes side panels (18) on both sides and a plurality of partitions (19) in the middle. The side panels (18) are provided with a plurality of fixing blocks (20), and the fixing blocks (20) are matched with the grooves (10); and guide rail grooves (21) are provided on both sides of the partition (19), and the guide rail grooves (21) are matched with the guide rails (12).

5. The energy storage integrated cabinet based on temperature control system energy consumption management technology according to claim 2 is characterized in that: The battery module (2) further comprises a power distribution unit (22) and a bidirectional converter (23), wherein the bidirectional converter (23) is electrically connected to the power distribution unit (22), and the power distribution unit (22) is electrically connected to the battery pack (9).

6. The energy storage integrated cabinet based on temperature control system energy consumption management technology according to claim 1 is characterized in that: The energy management module (4) is also connected to a communication module, and the communication module adopts a 4G wireless network card.

7. The energy storage integrated cabinet based on temperature control system energy consumption management technology according to claim 1 is characterized in that: The energy management module (4) adopts an EMS-HC3006 device.

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