Cooling pipeline for battery container energy storage system

Abstract

The utility model relates to the technical field of cooling pipelines, in particular to a cooling pipeline for a battery container energy storage system. A cooling pipeline for a battery container energy storage system comprises a liquid inlet and outlet part, a main cooling part and a secondary cooling part, the liquid inlet and outlet part is of an annular structure defined by a liquid inlet pipe and a liquid outlet pipe, the main cooling part is provided with a frame part, and the frame part is formed by splicing transversely-arranged organ pipes and longitudinally-arranged collecting pipes; a plurality of cooling plates are arranged on the frame part side by side, the secondary cooling part is communicated with a collecting pipe of the main cooling part through a cooling round pipe, and the area of the secondary cooling part is smaller than that of the main cooling part. The liquid inlet and outlet part is arranged to be of an annular structure, so that the strength can be guaranteed, the circulation time is prolonged, and heat dissipation is guaranteed; the main cooling part is high in heat transfer speed, and the size of the whole cooling pipeline is effectively reduced; and a secondary cooling part is arranged, so that the cooling performance of the whole cooling pipeline is further optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling pipelines, in particular to a cooling pipeline for a battery container energy storage system. Background Art

[0002] Containerized battery energy storage systems are an important support for the future development of power grids. They can effectively improve the stability, reliability and power quality of power systems. They have the advantages of high capacity, strong reliability, high flexibility and strong environmental adaptability. They have broad application prospects in power grid systems.

[0003] The existing containerized battery energy storage system integrates a large number of battery modules and electrical equipment, which easily generates a lot of heat during operation and is prone to heat dissipation problems. If a battery module burns out or fails, it is very easy to cause the entire container to catch fire or explode, and even affect surrounding containers. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a cooling pipeline for a battery container energy storage system.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a cooling pipeline for a battery container energy storage system, including a liquid inlet and outlet part, a main cooling part and a secondary cooling part, the liquid inlet and outlet part is an annular structure surrounded by a liquid inlet pipe and a liquid outlet pipe, the main cooling part has a frame part, the frame part is spliced ​​by a transversely arranged accordion pipe and a longitudinally arranged collecting pipe, a plurality of cooling plates are arranged side by side on the frame part, the secondary cooling part is connected with the collecting pipe of the main cooling part through a cooling circular pipe, and the area of ​​the secondary cooling part is smaller than that of the main cooling part.

[0006] Furthermore, the frame portion includes frame one and frame two, the frame one has a first organ pipe group and a second organ pipe group, the first organ pipe group and the second organ pipe group both have upper and lower organ pipes one, and there is a certain gap between the upper and lower organ pipes one, both ends of the organ pipe one are connected to the collecting pipe, the collecting pipe close to the liquid inlet and outlet parts of the first organ pipe group is connected to the liquid inlet pipe, the collecting pipe close to the liquid inlet and outlet parts of the second organ pipe group is connected to the liquid outlet pipe, and the collecting pipe close to the secondary cooling part of the first organ pipe group and the second organ pipe group is connected to the cooling circular tube.

[0007] Furthermore, the frame 2 has a third organ pipe group and a fourth organ pipe group, and the third organ pipe group and the fourth organ pipe group both have two upper and lower organ pipes one, both ends of the organ pipe one are connected to the collecting pipe, the collecting pipe near the liquid inlet and outlet part of the third organ pipe group is connected to the liquid inlet pipe, the collecting pipe near the liquid inlet and outlet part of the fourth organ pipe group is connected to the liquid outlet pipe, the collecting pipe near the secondary cooling part of the third organ pipe group and the fourth organ pipe group is connected to the cooling circular tube, and the collecting pipes at both ends of the third organ pipe group are welded to the collecting pipes at both ends of the second organ pipe group.

[0008] Furthermore, the liquid inlet pipe is connected to a tee, and the two side pipes of the tee are respectively connected to pipeline 1 and pipeline 2, the pipeline 1 is connected to the collecting pipe at one end of the first organ pipe group, and the pipeline 2 is connected to the collecting pipe at one end of the fourth organ pipe group.

[0009] Furthermore, the liquid outlet pipe is connected to a tee-2, and the two side pipes of the tee-2 are respectively connected to pipeline 3 and pipeline 4, the pipeline 3 is connected to the collecting pipe at one end of the second organ pipe group, and the pipeline 4 is connected to the collecting pipe at one end of the third organ pipe group.

[0010] Furthermore, a plurality of first cooling plates spliced ​​together are provided on both the frame 1 and the frame 2, and foldable metal sheets are provided at both ends of the first cooling plates.

[0011] Furthermore, the secondary cooling part includes a fifth organ pipe group and a sixth organ pipe group, each of which has an upper and lower organ pipe two, and a certain gap is provided between the upper and lower organ pipe two. A second cooling plate is arranged between the fifth organ pipe group and the sixth organ pipe group, and foldable metal sheets are also arranged at both ends of the second cooling plate.

[0012] The beneficial effects of the utility model are:

[0013] The utility model is arranged between two battery modules, and has a liquid inlet and outlet part, a main cooling part and a secondary cooling part. The liquid inlet and outlet part is arranged in a ring structure, which can ensure its strength while increasing the circulation time and ensuring heat dissipation;

[0014] The main cooling part is set as a frame structure, which is composed of horizontally arranged accordion pipes and longitudinally arranged collecting pipes. It is easy to install. Multiple cooling plates are arranged side by side on the frame. The cooling medium circulates in the frame structure to dissipate heat. The cooling plates are mounted on the frame, and the heat transfer speed is fast, which effectively reduces the volume of the entire cooling pipeline.

[0015] A secondary cooling section is provided to further optimize the cooling performance of the entire cooling circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0017] Figure 1 It is an assembly drawing of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the collecting pipe in the utility model.

[0019] Figure 3 It is a structural schematic diagram of a stroke organ pipe 1 of the utility model.

[0020] In the figure: 1. liquid inlet and outlet part, 11. liquid inlet pipe, 111. tee one, 12. liquid outlet pipe, 121. tee two, 2. secondary cooling part, 3. main cooling part, 4. cooling circular pipe, 5. collecting pipe, 31. frame one, 32. frame two, 311. first organ pipe group, 312. second organ pipe, 300. organ pipe one, 321. third organ pipe group, 322. fourth organ pipe group, 33. first cooling plate, 21. fifth organ pipe group, 22. sixth organ pipe group, 20. organ pipe two, 23. second cooling plate. DETAILED DESCRIPTION

[0021] The present invention is now further described in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0022] like Figure 1 As shown, a cooling pipeline for a battery container energy storage system includes a liquid inlet and outlet part 1, a main cooling part 3 and a secondary cooling part 2. The liquid inlet and outlet part 1 is a ring structure surrounded by a liquid inlet pipe 11 and a liquid outlet pipe 12. The main cooling part 3 has a frame part, which is composed of a transversely arranged organ pipe (such as Figure 3 As shown, there are multiple flow channels inside) and a longitudinally arranged header 5 (as shown Figure 2 As shown, at least one surface is provided with a connection hole that cooperates with the organ pipe) and a plurality of cooling plates are arranged side by side on the frame. The secondary cooling part 2 is connected to the collecting pipe of the main cooling part 3 through the cooling circular tube 4, and the area of ​​the secondary cooling part 2 is smaller than that of the main cooling part 3.

[0023] Specifically, the frame portion includes frame one 31 and frame two 32, frame one 31 has a first organ pipe group 311 and a second organ pipe group 312, both of the first organ pipe group 311 and the second organ pipe group 312 have an upper and lower two organ pipes one 300, and there is a certain gap between the upper and lower two organ pipes one 300, both ends of the organ pipe one 300 are connected to the collecting pipe 5, the collecting pipe 5 close to the liquid inlet and outlet part 1 on the first organ pipe group 311 is connected to the liquid inlet pipe 11, the collecting pipe 5 close to the liquid inlet and outlet part 1 on the second organ pipe group 312 is connected to the liquid outlet pipe 12, and the collecting pipes close to the secondary cooling part 2 on the first organ pipe group 311 and the second organ pipe group 312 are connected to the cooling circular pipe 4. Frame two 32 has a third organ pipe group 321 and a fourth organ pipe group 322. The third organ pipe group 321 and the fourth organ pipe group 322 both have two upper and lower organ pipes 1 300. Both ends of the organ pipe 1 300 are connected to the collecting pipe 5. The collecting pipe 5 on the third organ pipe group 321 close to the liquid inlet and outlet part 1 is connected to the liquid inlet pipe 11, and the collecting pipe 5 on the fourth organ pipe group 322 close to the liquid inlet and outlet part 1 is connected to the liquid outlet pipe 12. The collecting pipes 5 on the third organ pipe group 321 and the fourth organ pipe group 322 close to the secondary cooling part 2 are connected to the cooling circular tube 4. The collecting pipes 5 at both ends of the third organ pipe group 321 are welded to the collecting pipes 5 at both ends of the second organ pipe group 312.

[0024] The liquid inlet pipe 11 is connected to a tee 111, and two side pipes of the tee 111 are connected to pipeline 1 and pipeline 2 respectively. Pipeline 1 is connected to the manifold 5 at one end of the first organ pipe group 311, and pipeline 2 is connected to the manifold 5 at one end of the fourth organ pipe group 322. The liquid outlet pipe 12 is connected to a tee 2 121, and two side pipes of the tee 2 121 are connected to pipeline 3 and pipeline 4 respectively. Pipeline 3 is connected to the manifold 5 at one end of the second organ pipe group 312, and pipeline 4 is connected to the manifold 5 at one end of the third organ pipe group 321.

[0025] Both frame one 31 and frame two 32 are provided with a plurality of first cooling plates 33 spliced ​​together, and foldable metal sheets are provided at both ends of the first cooling plates 33, which can be folded upward or downward, and adjacent first cooling plates 33 are clamped together by slots and protrusions. One end of the first cooling plate 33 on frame one 31 passes through the gap on the first organ pipe group 311 and is folded upward or downward, and the other end thereof passes through the gaps on the second organ pipe group 311 and the third organ pipe group 321 in turn and is folded downward; one end of the first cooling plate 33 on frame two 32 passes through the gaps on the third organ pipe group 321 and the second organ pipe group 311 in turn and is folded upward or downward to avoid installation interference, and the other end thereof passes through the gap on the fourth organ pipe group 322 and is flipped upward or downward.

[0026] The secondary cooling part 2 includes a fifth organ pipe group 21 and a sixth organ pipe group 22. The fifth organ pipe group 21 and the sixth organ pipe group 22 both have two upper and lower organ pipes 20, and there is a certain gap between the upper and lower organ pipes 20. A second cooling plate 23 is arranged between the fifth organ pipe group 21 and the sixth organ pipe group 22, and foldable metal sheets are also arranged at both ends of the second cooling plate 23. The length of the second organ pipe 20 is less than the length of the first organ pipe 300, but the length of the second cooling plate 23 is greater than the length of the first cooling plate 33.

[0027] In addition, the thickness of the first cooling plate 33 and the second cooling plate 23 is 4-5 mm, and the heat transfer speed is fast. According to the actual box structure of the containerized battery energy storage system, the secondary cooling part 2 can also be removed, but generally there is enough space to place the secondary cooling part 2, so that the cooling effect can be further optimized.

[0028] The above-mentioned implementation mode is only for illustrating the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A cooling pipeline for a battery container energy storage system, characterized in that: It includes a liquid inlet and outlet part, a main cooling part and a secondary cooling part. The liquid inlet and outlet part is an annular structure surrounded by a liquid inlet pipe and a liquid outlet pipe. The main cooling part has a frame part, which is spliced ​​by a transversely arranged accordion pipe and a longitudinally arranged collecting pipe. A plurality of cooling plates are arranged side by side on the frame part. The secondary cooling part is connected with the collecting pipe of the main cooling part through a cooling circular pipe. The area of ​​the secondary cooling part is smaller than that of the main cooling part.

2. The cooling pipeline for the battery container energy storage system according to claim 1, characterized in that: The frame part includes frame one and frame two, frame one has a first organ pipe group and a second organ pipe group, the first organ pipe group and the second organ pipe group both have upper and lower organ pipes one, and there is a certain gap between the upper and lower organ pipes one, both ends of the organ pipe one are connected to the collecting pipe, the collecting pipe close to the liquid inlet and outlet part of the first organ pipe group is connected to the liquid inlet pipe, the collecting pipe close to the liquid inlet and outlet part of the second organ pipe group is connected to the liquid outlet pipe, and the collecting pipe close to the secondary cooling part of the first organ pipe group and the second organ pipe group is connected to the cooling circular tube.

3. The cooling pipeline for the battery container energy storage system according to claim 2 is characterized in that: The frame 2 has a third organ pipe group and a fourth organ pipe group. The third organ pipe group and the fourth organ pipe group both have two upper and lower organ pipes 1. Both ends of the organ pipes 1 are connected to the collecting pipes. The collecting pipes on the third organ pipe group close to the liquid inlet and outlet parts are connected to the liquid inlet pipe, the collecting pipes on the fourth organ pipe group close to the liquid inlet and outlet parts are connected to the liquid outlet pipe, the collecting pipes on the third and fourth organ pipe groups close to the secondary cooling parts are connected to the cooling circular tubes, and the collecting pipes at both ends of the third organ pipe group are welded to the collecting pipes at both ends of the second organ pipe group.

4. The cooling pipeline for the battery container energy storage system according to claim 3 is characterized in that: The liquid inlet pipe is connected to a tee-1, and two side pipes of the tee-1 are respectively connected to pipeline 1 and pipeline 2. Pipeline 1 is connected to the collecting pipe at one end of the first organ pipe group, and pipeline 2 is connected to the collecting pipe at one end of the fourth organ pipe group.

5. The cooling pipeline for the battery container energy storage system according to claim 4 is characterized in that: The liquid outlet pipe is connected to a tee-2, and the two side pipes of the tee-2 are respectively connected to pipelines 3 and 4. The pipeline 3 is connected to the collecting pipe at one end of the second organ pipe group, and the pipeline 4 is connected to the collecting pipe at one end of the third organ pipe group.

6. The cooling pipeline for the battery container energy storage system according to claim 2, characterized in that: The frame 1 and the frame 2 are both provided with a plurality of first cooling plates spliced ​​together, and foldable metal sheets are provided at both ends of the first cooling plates.

7. The cooling pipeline for the battery container energy storage system according to claim 1, characterized in that: The secondary cooling part includes a fifth organ pipe group and a sixth organ pipe group. The fifth organ pipe group and the sixth organ pipe group both have upper and lower organ pipes 2, and there is a certain gap between the upper and lower organ pipes 2. A second cooling plate is arranged between the fifth organ pipe group and the sixth organ pipe group, and foldable metal sheets are also arranged at both ends of the second cooling plate.

Images