Energy storage container

Abstract

The utility model discloses an energy storage container which comprises a container body, an inner cavity is arranged in the container body, the inner cavity comprises a battery bin and an equipment bin, a plurality of battery packs are arranged in the battery bin, and a control power distribution bin and a high-voltage confluence bin are arranged in the equipment bin; the battery box further comprises a PCS and a water cooling unit, the PCS and the water cooling unit are arranged in the non-closed containing space of the box body, and the PCS and the water cooling unit are arranged on the two sides of the battery bin respectively. According to the utility model, the accommodating space for accommodating the water chilling unit and the PCS is made into the outdoor bin, so that the design of doors, shutters and PCS heat dissipation air ducts is reduced, and the manufacturing process difficulty and the manufacturing cost are reduced. In addition, the battery compartment can be effectively enlarged, the energy density can be improved, and the functions of power distribution and voltage transformation can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage devices, in particular to an energy storage container. Background Art

[0002] With the rapid development of new energy technologies, energy storage technology, as a key link connecting renewable energy and the power grid, has become increasingly important. As an integrated energy storage device, the energy storage container has gradually become an important development direction of energy storage technology due to its advantages such as small floor area, convenient transportation and installation, strong environmental adaptability, and modular rapid layout. However, the existing energy storage containers have a single function, cannot realize power distribution and voltage transformation functions, and have a low energy density. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an energy storage container to solve the problems that the existing energy storage container has a single function, cannot realize power distribution and voltage transformation functions, and has a low energy density.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: an energy storage container, which includes a box body. An inner cavity is provided in the box body, and the inner cavity includes a battery compartment and an equipment compartment. A plurality of battery packs are provided in the battery compartment, and a control power distribution compartment and a high-voltage busbar compartment are provided in the equipment compartment. It also includes a PCS and a water-cooling unit. The PCS and the water-cooling unit are arranged in the non-closed accommodation space of the box body, and the PCS and the water-cooling unit are respectively arranged on both sides of the battery compartment.

[0005] Further, in the energy storage container of the utility model, a water-cooling pipe and a branch pipe are provided in the battery compartment. One end of the water-cooling pipe is connected to the water-cooling unit, and the other end is connected to the battery pack through the branch pipe.

[0006] Further, in the energy storage container of the utility model, a first middle partition wall and a second middle partition wall are further included. The first middle partition wall and the second middle partition wall are arranged in the box body, and the first middle partition wall, the second middle partition wall and the box body enclose to form the battery compartment.

[0007] Further, in the energy storage container of the utility model, a gas detector and a fire outlet are further included. The gas detector is arranged in the battery compartment, the fire outlet is arranged on the first middle partition wall, and the fire outlet is communicated with the battery compartment.

[0008] Further, in the energy storage container of the utility model, a fire inlet is further included. The fire inlet is arranged on the second middle partition wall, and the fire inlet is communicated with the battery compartment.

[0009] Further, in the energy storage container of the present utility model, a dehumidifier is further included, and the dehumidifier is arranged on the second intermediate partition wall.

[0010] Further, in the energy storage container of the present utility model, a fire extinguisher bottle, a first fire pipeline, and a second fire pipeline are further included. The fire extinguisher bottle is arranged in the control power distribution bin. One end of the first fire pipeline is connected to the fire extinguisher bottle, the other end of the first fire pipeline is connected to the battery bin, one end of the second fire pipeline is connected to the fire extinguisher bottle, and the other end of the second fire pipeline is connected to the battery pack.

[0011] Further, in the energy storage container of the present utility model, a fire hydrant and a third fire pipeline are further included. The fire hydrant is arranged on the box body. One end of the third fire pipeline is communicated with the battery bin, and the other end is communicated with the fire hydrant.

[0012] Further, in the energy storage container of the present utility model, a wire duct is further included. The wire duct is arranged outside the battery bin, and the wire duct includes a high-voltage wire duct and a low-voltage wire duct.

[0013] Further, in the energy storage container of the present utility model, a battery bin door is further included, and the battery bin door is rotatably arranged on the box body.

[0014] The beneficial effects of the present utility model are as follows: The inner cavity of the box body is compartmented to form a battery bin and an equipment bin, wherein the equipment bin includes a control power distribution bin and a high-voltage busbar bin. On this basis, a water-cooled unit and a PCS are arranged in the box body, and the water-cooled unit and the PCS are respectively arranged on both sides of the battery bin. The water-cooled unit and the PCS are directly communicated with the external space without sealing requirements, that is, the water-cooled unit and the PCS are not arranged in the inner cavity of the box body. It is equivalent to making the accommodation space for placing the water-cooled unit and the PCS into an outdoor bin. Generally speaking, by making the space for placing the water-cooled unit and the PCS into an outdoor mode, the water-cooled unit and the PCS are directly communicated with the external space, avoiding the traditional indoor mode, reducing the design of doors, louvers, and PCS heat dissipation air ducts, reducing the sealing and waterproof requirements, reducing the manufacturing process difficulty and manufacturing cost, and improving the production line assembly efficiency. Workers can directly complete the cabinet installation through a forklift. In addition, the present utility model simultaneously cancels the control cabinet, the power distribution cabinet, and the fire cabinet, integrates some equipment into the left power distribution bin and the high-voltage busbar bin, improves the space utilization rate, enlarges the battery bin, increases the energy density, and realizes the power distribution and voltage transformation functions. That is, a high-integration and high-energy density industrial and commercial energy storage container that can realize isolation voltage transformation and power distribution functions and has stable power is realized. Description of the Drawings

[0015] Figure 1Schematic diagram of the energy storage container according to the present utility model from a perspective in one embodiment;

[0016] Figure 2 Schematic diagram of the energy storage container according to the present utility model from another perspective in one embodiment;

[0017] Figure 3 Schematic diagram of the internal composition of the energy storage container according to the present utility model from a perspective in one embodiment;

[0018] Figure 4 Schematic diagram of the internal composition of the energy storage container according to the present utility model from another perspective in one embodiment;

[0019] Figure 5 Schematic diagram of the internal composition of the energy storage container according to the present utility model from yet another perspective in one embodiment;

[0020] Figure 6 Schematic diagram of the internal composition of the energy storage container according to the present utility model from still another perspective in one embodiment;

[0021] Figure 7 Schematic diagram of the internal composition of the energy storage container according to the present utility model from another perspective in one embodiment.

[0022] Label description:

[0023] 1. Box body; 11. Fire extinguisher bottle; 12. Fire outlet; 13. Branch pipe; 14. Second fire pipeline; 15. Fire hydrant; 16. Fire inlet; 17. Water cooling pipe; 18. First middle partition wall; 19. Second middle partition wall;

[0024] 2. Battery compartment; 20. Third middle partition wall; 21. Dehumidifier; 22. Gas detector; 23. Fire detector; 24. Cable tray; 25. Battery pack; 26. High-voltage busbar compartment door; 27. Control and distribution compartment door;

[0025] 3. Battery compartment door;

[0026] 4. Water cooling unit;

[0027] 5. PCS;

[0028] 6. Electric cabinet;

[0029] 7. Control and distribution compartment;

[0030] 8. First fire pipeline;

[0031] 9. Third fire pipeline;

[0032] 10. High-voltage busbar compartment. Detailed implementation manners

[0033] To describe in detail the technical content, achieved objectives and effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the drawings.

[0034] Please refer to Figures 1 to 7 , the present utility model relates to an energy storage container, which includes a box body 1. An inner cavity is provided in the box body. The inner cavity includes a battery compartment 2 and an equipment compartment. A plurality of battery packs 25 are provided in the battery compartment. A control and power distribution compartment 7 and a high-voltage busbar compartment 10 are provided in the equipment compartment; it further includes a water-cooled unit 4 and a PCS 5. The PCS and the water-cooled unit are arranged in the non-closed accommodation space of the box body, and the PCS and the water-cooled unit are respectively arranged on both sides of the battery compartment 2.

[0035] As can be seen from the above description, the beneficial effects of the present utility model are as follows: The inner cavity of the box body 1 is partitioned to form a battery compartment 2 and an equipment compartment, and the equipment compartment includes a control and power distribution compartment 7 and a high-voltage busbar compartment 10. On this basis, a water-cooled unit 4 and a PCS 5 are arranged in the box body. The water-cooled unit and the PCS are respectively arranged on both sides of the battery compartment 2. The water-cooled unit and the PCS are directly communicated with the external space and do not require sealing. That is, the water-cooled unit and the PCS are not arranged in the inner cavity of the box body. It is equivalent to making the accommodation space for placing the water-cooled unit and the PCS into an outdoor compartment. Generally speaking, by making the space for placing the water-cooled unit and the PCS into an outdoor mode, the water-cooled unit and the PCS are directly communicated with the external space, avoiding the traditional indoor mode, reducing the design of doors, louvers and the PCS heat dissipation air duct, reducing the sealing and waterproof requirements, reducing the manufacturing process difficulty and manufacturing cost, and improving the production line assembly efficiency. Workers can directly complete the cabinet installation through a forklift. In addition, the present utility model simultaneously cancels the control cabinet, the power distribution cabinet and the fire cabinet, integrates some equipment into the power distribution compartment 7 and the high-voltage busbar compartment 10 on the left side, improves the space utilization rate, enlarges the battery compartment, increases the energy density, and realizes the power distribution and voltage transformation functions through the PCS 5. That is, a high-integration and high-energy density industrial and commercial energy storage container that can realize isolation voltage transformation and power distribution functions and has stable power is realized.

[0036] Furthermore, in the energy storage container of the present utility model, a water-cooled pipe 17 and a branch pipe 13 are provided in the battery compartment 2. One end of the water-cooled pipe 17 is connected to the water-cooled unit 4, and the other end is connected to the battery pack 25 through the branch pipe 13.

[0037] As described above, a water-cooling pipe 17 is installed at the bottom of the battery compartment 2. One end of the water-cooling pipe 17 is connected to the water-cooling unit 4, and the other end is connected to each battery pack 25 through a branch pipeline. A cooling circuit is formed between the water-cooling unit 4 and the battery packs 25 through the water-cooling pipe 17 and the branch pipelines to cool the battery packs 25 and ensure that the battery cores will not affect their service life due to excessive temperature.

[0038] Furthermore, in the energy storage container of the present utility model, a first middle partition wall 18 and a second middle partition wall 19 are further included. The first middle partition wall 18 and the second middle partition wall 19 are arranged inside the box body 1, and the first middle partition wall 18 and the second middle partition wall 19 enclose the battery compartment 2 with the box body 1.

[0039] As described above, by arranging corresponding middle partition walls inside the box body 1, the middle partition walls can enclose corresponding compartments, such as the battery compartment 2, with the box body 1 to separate the battery compartment 2 and other compartments, ensuring sealing performance and waterproof performance.

[0040] Furthermore, in the energy storage container of the present utility model, a gas detector 22 and a fire-fighting air outlet 12 are further included. The gas detector 22 is arranged inside the battery compartment 2, and the fire-fighting air outlet is arranged on the first middle partition wall, and the fire-fighting air outlet 12 is communicated with the battery compartment 2.

[0041] It should be noted that the gas detector 22 is a combustible gas detector, such as a CO gas detector. In actual use, when the gas detector 22 detects the generation of combustible gas inside the battery compartment 2, the fire-fighting air outlet 12 will be activated to discharge the combustible gas inside the battery compartment 2 outside the compartment, thereby ensuring that the battery compartment 2 will not catch fire due to a high concentration of combustible gas.

[0042] Furthermore, in the energy storage container of the present utility model, a fire-fighting air inlet 16 is further included. The fire-fighting air inlet 16 is arranged on the second middle partition wall 19, and the fire-fighting air inlet 16 is communicated with the battery compartment 2.

[0043] As described above, when the gas detector 22 detects the generation of combustible gas inside the battery compartment 2, the fire-fighting air outlet 12 will be activated to discharge the combustible gas inside the battery compartment 2 outside the compartment, thereby ensuring that the battery compartment 2 will not catch fire due to a high concentration of combustible gas. However, in the present utility model, since the battery compartment 2 is relatively airtight, if air is exhausted from only one side, an internal and external pressure difference will be formed, making it impossible to completely exhaust the combustible gas inside the battery compartment 2. To solve the above problem, the present utility model provides a fire-fighting air inlet 16 on the other side of the battery compartment 2 (i.e., on the second middle partition wall 19). When the fire-fighting air outlet 12 is activated, the fire-fighting air inlet 16 is activated simultaneously, thereby ensuring a smooth ventilation process and ensuring that the combustible gas is completely exhausted.

[0044] Further, in the energy storage container of the present utility model, a fire extinguisher bottle 11, a first fire pipeline 8, and a second fire pipeline 14 are further included. The fire extinguisher bottle 11 is arranged in the control and power distribution bin 7. One end of the first fire pipeline is connected to the fire extinguisher bottle 11, and the other end of the first fire pipeline is connected to the battery bin 2. One end of the second fire pipeline is connected to the fire extinguisher bottle 11, and the other end of the second fire pipeline is connected to the battery pack 25.

[0045] It should be noted that a fire detector 23 is also correspondingly arranged in the battery bin 2, and the fire detector 23 can be an optoelectronic smoke fire detector. In actual use, when the optoelectronic smoke fire detector detects that the battery bin 2 catches fire and smokes, through the fire control system, the audible and visual alarms inside and outside the container are started, and at the same time, the fire extinguisher bottle 11 is started. The battery bin 2 is sprayed with a fire extinguishing agent (such as heptafluoropropane) through the first fire pipeline 8 for fire extinguishing, and the battery pack 25 in the water-cooled electric cabinet is sprayed with a fire extinguishing agent (such as perfluoro ketone) through the second fire pipeline for fire extinguishing. In addition, dual effective fire protection for the battery bin 2 is achieved in this way, so as to avoid greater losses when the battery bin 2 catches fire.

[0046] Further, in the energy storage container of the present utility model, a fire hydrant 15 and a third fire pipeline 9 are further included. The fire hydrant 15 is arranged on the box body 1. One end of the third fire pipeline 9 is communicated with the battery bin 2, and the other end is communicated with the fire hydrant 15.

[0047] In actual application, if in some cases, the fire in the battery bin 2 has not been extinguished, the battery bin 2 can be sprayed with water for fire extinguishing through the fire hydrant 15 to ensure that no greater losses will be caused when the battery bin 2 catches fire.

[0048] Further, in the energy storage container of the present utility model, a wire duct 24 is further included. The wire duct 24 is arranged outside the battery bin 2, and the wire duct 24 includes a high-voltage wire duct and a low-voltage wire duct.

[0049] As can be seen from the above description, two wire ducts 24 (such as metal wire ducts) are arranged at positions near the two side doors at the bottom of the battery bin 2 to achieve separation of high and low voltages. In addition, through the setting of the corresponding water-cooled pipes 17 and the metal wire duct 24, separation of water and electricity is achieved.

[0050] Further, in the energy storage container of the present utility model, a dehumidifier 21 is further included. The dehumidifier is arranged on the second middle partition wall. In addition, in an optional embodiment, a plurality of dehumidifiers can be correspondingly arranged, and the plurality of dehumidifiers can be arranged on the corresponding first middle partition wall and the second middle partition wall. For example, three dehumidifiers are set, one of the dehumidifiers is set on the first middle partition wall 18, and the other two are set on the second middle partition wall 19.

[0051] Furthermore, in the energy storage container of the present utility model, a battery compartment door 3 is further included, and the battery compartment door 3 is rotatably arranged on the box body 1.

[0052] As can be seen from the above description, by arranging the rotatably connected battery compartment door 3 on the box body 1, the battery compartment 2 can be correspondingly seen by rotating the battery compartment door 3, so as to operate the corresponding components in the battery compartment 2.

[0053] Please refer to Figures 1 to 7 , Embodiment 1 of the present utility model is: an energy storage container (i.e., an industrial and commercial energy storage container), which is applied to an energy storage system. This energy storage container is a standard 20-foot container, that is, its length, width and height are 6058mm * 2438mm * 2896mm. This energy storage container includes a box body 1, and two middle partition walls (i.e., the first middle partition wall 18, the second middle partition wall 19 and the third middle partition wall 20) are arranged in the box body 1. As Figure 3 shown, the first middle partition wall 18 and the second middle partition wall 19 are arranged along the horizontal width direction of the box body 1, and the third middle partition wall 20 is arranged along the horizontal length direction of the box body 1. Among them, the compartment between the first middle partition wall 18 and the second middle partition wall 19 is the battery compartment 2, and a plurality of electrical cabinets 6 are arranged in the battery compartment 2, and battery packs 25 are correspondingly arranged in the electrical cabinets. Two PCSs are arranged on the right side of the battery compartment 2, and the two PCSs are directly connected to the outside and do not need to be sealed. A water-cooling unit 4, a control and distribution compartment 7 and a high-voltage busbar compartment 10 are arranged on the left side of the battery compartment 2. As Figure 2 shown, the water-cooling unit is directly connected to the outside and does not need to be sealed, and devices such as busbar copper bars are arranged in the high-voltage busbar compartment 10.

[0054] In this embodiment, as Figure 3 and Figure 7 shown, a water-cooling pipe 17 and a branch pipe 13 are arranged in the battery compartment 2. The water-cooling pipe 17 is arranged at the bottom of the battery compartment 2, and one end of the water-cooling pipe 17 is connected to the water-cooling unit 4, and the other end is connected to the battery pack 25 through the branch pipe 13. The water-cooling unit 4 and the battery pack 25 form a cooling loop through the water-cooling pipe 17 and the branch pipe 13 to cool the battery pack 25 and ensure that the battery cells will not affect their service life due to excessive temperature.

[0055] In addition, a fire protection system is provided in the energy storage container, which is specifically as follows: A fire protection control system is provided in the control and distribution bin 7, a combustible gas detector is provided in the battery bin 2, a fire outlet 12 is provided on the first partition wall 18, and the fire outlet 12 communicates with the battery bin 2. Correspondingly, a fire inlet 16 is provided on the second partition wall 19, and the fire inlet 16 communicates with the battery bin 2. During actual use, when the combustible gas detector in the battery bin 2 detects the generation of combustible gas in the battery bin 2, the fire protection control system will activate the fire outlet 12 and the fire inlet 16, suck external air into the battery bin 2 through the fire inlet 16, and discharge the air and the corresponding combustible gas in the battery bin 2 out of the battery bin 2 through the fire outlet 12. On the basis of balancing the internal and external pressure differences, the combustible gas is discharged out of the battery bin 2 as much as possible to ensure that the battery bin 2 will not catch fire due to a high concentration of combustible gas.

[0056] In addition, as Figure 3 , Figure 4 and Figure 5 shown, an optoelectronic smoke fire detector, an alarm, a fire extinguisher bottle 11, a fire hydrant 15 and multiple fire pipes (such as a first fire pipe 8, a second fire pipe 14 and a third fire pipe 9) are also provided in the energy storage box. Among them, the optoelectronic smoke fire detector is arranged in the battery bin 2, the fire extinguisher bottle 11 is arranged in the control and distribution bin 7, the alarm and the fire hydrant 15 are arranged on the box body 1; one end of the first fire pipe is connected to the fire extinguisher bottle 11, and the other end is connected to the battery bin 2; one end of the second fire pipe is connected to the fire extinguisher bottle 11, and the other end of the second fire pipe is connected to the battery pack 25; one end of the third fire pipe 9 communicates with the battery bin 2, and the other end communicates with the fire hydrant 15. During actual use, when the optoelectronic smoke fire detector in the battery bin 2 detects a fire and smoke in the battery bin 2, through the fire protection control system, the internal and external audible and visual alarms of the container are activated, and the fire extinguisher bottle 11 is activated. The battery bin 2 is sprayed with a fire extinguishing agent (such as heptafluoropropane) through the first fire pipe 8 for fire extinguishing, and the battery pack 25 in the water-cooled electric cabinet is sprayed with a fire extinguishing agent (such as perfluoroketone) through the second fire pipe for fire extinguishing. In addition, double effective fire protection of the battery bin 2 is achieved in this way, so as to avoid greater losses when the battery bin 2 catches fire. If complete fire extinguishing cannot be carried out at this time, the fire hydrant 15 will be opened, and the battery bin 2 will be sprayed with water for fire extinguishing through the third fire channel. To sum up, through the above triple fire protection system, it is ensured that no greater losses will be caused when the battery bin 2 catches fire.

[0057] In this embodiment, as Figure 6As shown, on the outer parts of both sides of the battery compartment 2, there are respectively two wire grooves 24. One of the two wire grooves is a high-voltage wire groove, and the other is a low-voltage wire groove, achieving high-voltage and low-voltage separation. It should be noted that the battery compartment 2 is correspondingly provided with a battery compartment door 3, and the battery compartment door 3 is rotatably arranged on the box body 1. The high-voltage busbar compartment 10 is correspondingly provided with a high-voltage busbar compartment door 26, and the high-voltage busbar compartment door 26 is rotatably arranged on the box body 1. The control and distribution compartment 7 is correspondingly provided with a control and distribution compartment door 27, and the control and distribution compartment door 27 is rotatably arranged on the box body 1. In addition, a dehumidifier 21 is also provided on the second partition wall of the battery compartment 2.

[0058] In summary, the energy storage container provided by the present utility model: (1) has a high integration of energy storage functions, a high energy density, is convenient for installation and maintenance, and can realize a high-integration and high-energy density industrial and commercial energy storage container with an isolation transformation and power distribution function and stable power. (2) There are various fire protection settings to ensure that no large losses will be caused when a fire breaks out in the battery compartment.

[0059] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An energy storage container, characterized in that, It includes a box body, an inner cavity is provided in the box body, the inner cavity includes a battery compartment and an equipment compartment, a plurality of battery packs are provided in the battery compartment, and a control power distribution compartment and a high-voltage busbar compartment are provided in the equipment compartment; it also includes a PCS and a water-cooling unit, the PCS and the water-cooling unit are arranged in a non-closed accommodation space of the box body, and the PCS and the water-cooling unit are respectively arranged on both sides of the battery compartment.

2. The energy storage container according to claim 1, characterized in that, A water-cooling pipe and a branch pipe are provided in the battery compartment, one end of the water-cooling pipe is connected to the water-cooling unit, and the other end is connected to the battery pack through the branch pipe.

3. The energy storage container according to claim 1, characterized in that, It also includes a first middle partition wall and a second middle partition wall, the first middle partition wall and the second middle partition wall are arranged in the box body, and the first middle partition wall, the second middle partition wall and the box body enclose to form the battery compartment.

4. The energy storage container according to claim 3, characterized in that, It also includes a gas detector and a fire outlet, the gas detector is arranged in the battery compartment, the fire outlet is arranged on the first middle partition wall, and the fire outlet is communicated with the battery compartment.

5. The energy storage container according to claim 3, characterized in that It also includes a fire inlet, the fire inlet is arranged on the second middle partition wall, and the fire inlet is communicated with the battery compartment.

6. The energy storage container according to claim 3, characterized in that, It also includes a dehumidifier, and the dehumidifier is arranged on the second middle partition wall.

7. The energy storage container according to claim 1, characterized in that It also includes a fire extinguisher bottle, a first fire pipeline and a second fire pipeline, the fire extinguisher bottle is arranged in the control power distribution compartment, one end of the first fire pipeline is connected to the fire extinguisher bottle, the other end of the first fire pipeline is connected to the battery compartment, one end of the second fire pipeline is connected to the fire extinguisher bottle, and the other end of the second fire pipeline is connected to the battery pack.

8. The energy storage container according to claim 1, characterized in that, It also includes a fire hydrant and a third fire pipeline, the fire hydrant is arranged on the box body, one end of the third fire pipeline is communicated with the battery compartment, and the other end is communicated with the fire hydrant.

9. The energy storage container according to claim 1, wherein, It also includes a wire groove, the wire groove is arranged outside the battery compartment, and the wire groove includes a high-voltage wire groove and a low-voltage wire groove.

10. The energy storage container according to claim 1, characterized in that, It also includes a battery compartment door, and the battery compartment door is rotatably arranged on the box body.

Images