Air-cooled pipeline structure of container energy storage air-cooled temperature control unit

Abstract

The utility model discloses a kind of air-cooled duct structures of container energy storage air-cooled temperature control unit, it is related to energy storage container technical field, to solve the phenomenon that the high wind pressure of starting end, low end wind pressure of traditional air-cooled duct structure in use process, and then lead to battery pack temperature difference, service life shortening problem, including pipeline assembly and directional conveying component, the directional conveying component evenly distributes in the bottom of pipeline assembly;The pipeline assembly includes conveying pipeline, the side of conveying pipeline is provided with air inlet, the bottom of conveying pipeline is provided with a plurality of air outlet along length direction, the inside of conveying pipeline is provided with cold air flow passage, and air inlet and air outlet are communicated with cold air flow passage with.The utility model is through the design pipeline assembly and directional conveying component, make the air volume deviation of each air outlet reduce, and then reduce battery pack temperature difference, significantly improve the consistency of battery module.

Description

Technical Field

[0001] This utility model relates to the field of energy storage container technology, and more specifically, to an air-cooled pipe structure for a containerized energy storage air-cooled temperature control unit. Background Technology

[0002] Energy storage containers integrate battery clusters, battery management systems, and other components within their container body, making them integrated energy storage devices suitable for applications such as thermal, wind, and solar power plants, as well as residential communities, schools, research institutions, factories, and large load centers. During operation, the internal ambient temperature of the energy storage container significantly impacts the batteries and other electrical equipment housed within the container. Therefore, cooling devices are necessary to reduce the internal temperature of the container.

[0003] Traditional air-cooled duct structures are mostly designed with "equal cross-sections," such as cylindrical or rectangular straight pipes. However, during the flow of cold air, pressure loss occurs due to friction and local resistance, resulting in high air pressure at the beginning of the duct and low air pressure at the end. This easily leads to the phenomenon of "more air near the end and less air far away." Consequently, the battery pack near the beginning of the duct has a better cooling effect, while the battery panels near the end of the duct have a poorer cooling effect, which in turn leads to a large temperature difference in the battery pack and a shortened service life. Based on the above problems, we propose an air-cooled duct structure for containerized energy storage air-cooled temperature control units. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide an air-cooled pipe structure for a containerized energy storage air-cooled temperature control unit. This solves the problem that traditional air-cooled pipe structures are prone to high air pressure at the beginning and low air pressure at the end during use, which leads to large temperature differences in the battery pack and shortened service life.

[0005] To solve the above technical problems, this utility model provides the following technical solution: an air-cooled pipe structure for a containerized energy storage air-cooled temperature control unit, comprising a pipe assembly and a directional conveying assembly, wherein the directional conveying assembly is evenly distributed at the bottom of the pipe assembly; the pipe assembly includes a conveying pipe, an air inlet port is provided on one side of the conveying pipe, and multiple air outlet ports are provided along the length direction at the bottom of the conveying pipe; a cold air circulation channel is provided inside the conveying pipe, and the air inlet port and the air outlet port are connected to the cold air circulation channel; the directional conveying assembly includes a directional pipe, a connecting part that cooperates with the air outlet port is provided at the top of the directional pipe, a guide grid is provided at the top of the connecting part, and the guide grid extends into the interior of the cold air circulation channel; a directional conveying port is provided at the bottom of the directional pipe; The cross-sectional dimensions of the cold air circulation channel gradually decrease from the air inlet port to the end of the delivery pipe, and the angle between the guide grid and the cold air flow direction gradually increases from the end of the delivery pipe to the air inlet port.

[0006] Preferably, the air inlet port is connected to the output end of an external air-cooled temperature control unit, and a sealing gasket is provided on the inner side wall of the air outlet port.

[0007] Preferably, the angle between the guide vane and the direction of cold air flow is 0°, 5°, 10°, 15°, and 20° from the end of the conveying pipe to the air inlet port.

[0008] Preferably, the surface of the flow guide is provided with through holes, the diameter of which is 5-8 mm and the opening ratio is 60%-70%.

[0009] Preferably, a cold air nozzle is provided in the middle of the side of the directional delivery port away from the directional pipe. The cold air nozzle is duckbill shaped. A connecting sleeve is provided on the edge of the side of the directional delivery port away from the directional pipe, and the connecting sleeve is connected to the air inlet of the external battery pack.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model designs a pipe assembly and a directional delivery assembly. The pipe assembly has a cold air flow channel with a cross-sectional dimension that gradually decreases from the air inlet to the end of the delivery pipe. This gradual change in cross-sectional dimension effectively compensates for pressure loss during cold air delivery. In the directional delivery assembly, the angle between the guide grille and the direction of cold air flow gradually increases from the end of the delivery pipe to the air inlet. The smaller angle at the end of the guide grille reduces obstruction of the cold air, allowing more cold air to flow towards the end. The larger angle at the near end of the guide grille appropriately blocks some of the cold air, preventing excessive cold air flow at the near end. This differentiated angle design further balances the airflow at each outlet, preventing excessive airflow at the near end and insufficient airflow at the far end. This reduces the airflow deviation at each outlet, thereby reducing the temperature difference in the battery pack and significantly improving the consistency of the battery module.

[0011] 2. This utility model is further designed by incorporating a directional delivery component. Through holes are provided on the surface of the guide vane, allowing some cold air to pass through, preventing excessive obstruction of the airflow and enhancing the mixing effect, reducing eddy currents within the pipe, and minimizing cold air transmission loss. A directional delivery port is located at the end of the directional pipe, with a cold air nozzle installed in the middle of the side of the directional delivery port away from the directional pipe. The cold air nozzle is duckbill-shaped, which focuses the cold air into a flat airflow, increasing the contact area between the cold air and the battery pack inlet side, thus improving cooling efficiency. A connecting sleeve is integrally formed on the edge of the directional delivery port away from the directional pipe. The inner diameter of the connecting sleeve matches the outer diameter of the external battery pack inlet, allowing for a tight connection between the directional delivery port and the battery pack inlet, preventing cold air from diffusing and being lost during delivery. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the pipe assembly structure of this utility model; Figure 3 This is a schematic diagram of the internal structure of the pipe assembly of this utility model; Figure 4 This is a schematic diagram of the directional conveying component structure of this utility model; Figure 5 This is a top view schematic diagram of the flow guide grid structure of this utility model; Figure 6 This is a schematic diagram of the directional conveying port structure of this utility model; Figure 7 This is a schematic diagram of the working structure of this utility model.

[0013] The following are the labels in the diagram: 1. Pipe assembly; 101. Conveying pipe; 1011. Cold air flow channel; 102. Air inlet port; 103. Air outlet port; 2. Directional conveying assembly; 201. Directional pipe; 202. Connecting part; 203. Flow guide; 2031. Through hole; 204. Directional conveying port; 2041. Connecting sleeve; 2042. Cold air nozzle. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments: This utility model relates to an air-cooled duct structure for a containerized energy storage air-cooled temperature control unit, including a duct assembly 1 and a directional conveying assembly 2. The directional conveying assembly 2 is evenly distributed at the bottom of the duct assembly 1. The duct assembly 1 includes a conveying duct 101, with an air inlet port 102 fixedly connected to one side of the conveying duct 101. Multiple air outlet ports 103 are provided along the length of the bottom of the conveying duct 101. A cold air circulation channel 1011 is provided inside the conveying duct 101, and the air inlet port 102 and the air outlet ports 103 are connected to the cold air circulation channel 1011. The conveying duct 101 serves as a carrier frame for cold air delivery, supporting the entire duct structure and protecting the internal cold air circulation channel 1011. The air inlet port 102 is used for... The connection between the duct assembly 1 and the external air-cooled temperature control unit is sealed by a flange to ensure no leakage of cold air. The outlet port 103 serves as a diversion port for cold air to enter the directional delivery assembly 2 from the delivery duct 101. The number of outlet ports corresponds to the number of battery packs, ensuring that each battery pack has an independent supply of cold air. The cold air flow channel 1011 gradually decreases in cross-sectional size to compensate for pressure loss during cold air delivery. The directional delivery assembly 2 includes a directional duct 201. The top of the directional duct 201 is fixedly connected to a connecting part 202 that mates with the outlet port 103. The top of the connecting part 202 is fixedly connected to a guide grille 203, which extends into the interior of the cold air flow channel 1011. The bottom of the directional duct 201 is fixedly connected to a directional delivery end. Port 204 and directional duct 201 serve as a transition channel for cold air from outlet port 103 to directional delivery port 204, preventing cold air from diffusing during transmission. Connector 202 is interference-fitted with outlet port 103 to further enhance sealing. Guide grille 203 actively adjusts airflow distribution through angle differentiation. Directional delivery port 204 serves as the final adjustment end before cold air enters the battery pack, integrating cold air nozzle 2042 and connecting sleeve 2041 to achieve precise air delivery and stable connection. This utility model designs duct assembly 1 and directional delivery assembly 2, and provides a cold air circulation channel 1011 inside duct assembly 1. The cross-sectional dimensions of the cold air circulation channel 1011 gradually decrease from inlet port 102 to the end of delivery duct 101. The gradually changing cross-sectional dimensions of the cold air circulation channel 1011 effectively compensate for pressure loss during cold air delivery. The angle between the guide grille 203 in the directional delivery component 2 and the direction of cold air flow gradually increases from the end of the delivery pipe 101 to the air inlet port 102. The angle of the guide grille 203 at the end is smaller, which can reduce the obstruction of cold air and allow more cold air to flow to the end. The angle of the guide grille 203 at the near end is larger, which can appropriately block some cold air and avoid excessive cold air at the near end. Through this differentiated angle design, the air volume of each air outlet port 103 is further balanced, avoiding the phenomenon of more air at the near end and less air at the far end. This reduces the air volume deviation of each air outlet port 103, thereby reducing the temperature difference of the battery pack and significantly improving the consistency of the battery module.

[0015] Specifically, the air inlet port 102 is connected to the output end of the external air-cooled temperature control unit to facilitate the acquisition of the cold air source. The inner wall of the air outlet port 103 is bonded with a sealing gasket, which fills the gap connected to the directional conveying component 2 to completely block cold air leakage.

[0016] Specifically, the angle between the guide vane 203 and the direction of cold air flow is 0°, 5°, 10°, 15° and 20° from the end of the conveying pipe 101 to the air inlet port 102. The angle of the end guide vane 203 is smaller, which can reduce the obstruction of the cold air and allow more cold air to flow to the end; while the angle of the near end guide vane 203 is larger, which can appropriately block some of the cold air and avoid excessive cold air at the near end.

[0017] It is worth mentioning that the surface of the flow deflector 203 is provided with through holes 2031. The diameter of the through holes 2031 is 5-8mm and the opening rate is 60%-70%. The through holes 2031 allow some cold air to pass through the flow deflector 203, avoiding excessive obstruction of the airflow by the flow deflector 203, while enhancing the mixing effect of the airflow, reducing the generation of eddies in the pipe, and reducing the loss of cold air transmission.

[0018] It is worth noting that a cold air nozzle 2042 is installed in the middle of the side of the directional delivery port 204 away from the directional pipe 201. The cold air nozzle 2042 is duckbill-shaped, which transforms the cold air from the directional delivery port 204 from a dispersed state to a flat, focused state, increasing the contact area between the cold air and the air inlet side of the battery pack. This prevents the cold air from spreading outwards before contacting the battery, improving the direct cooling efficiency of the cold air on the battery. A connecting sleeve 2041 is installed on the edge of the side of the directional delivery port 204 away from the directional pipe 201, and the connecting sleeve 2041 is connected to the external air inlet of the battery pack, achieving a tight connection between the directional delivery port 204 and the air inlet of the battery pack, thus achieving precise air delivery. By providing through holes 2031 on the surface of the guide grid 203, some cold air can be allowed to pass through the guide grid 203, preventing... The airflow deflector 203 excessively obstructs the airflow while enhancing the mixing effect, reducing eddy currents within the pipe, and minimizing cold air transmission loss. A directional delivery port 204 is provided at the end of the directional pipe 201. A cold air nozzle 2042 is installed in the middle of the side of the directional delivery port 204 away from the directional pipe 201. The cold air nozzle 2042 is duckbill-shaped, which focuses the cold air into a flat airflow, increasing the contact area between the cold air and the battery pack air inlet, thus improving cooling efficiency. A connecting sleeve 2041 is integrally formed on the edge of the directional delivery port 204 away from the directional pipe 201. The inner diameter of the connecting sleeve 2041 matches the outer diameter of the external battery pack air inlet, allowing for a tight connection between the directional delivery port 204 and the battery pack air inlet, preventing cold air from diffusing and being lost during delivery.

[0019] Working Principle: This embodiment provides an air-cooled duct structure for a containerized energy storage air-cooled temperature control unit. In use, firstly, after the external air-cooled temperature control unit is started, the generated cold air enters the cold air circulation channel 1011 inside the conveying duct 101 through the air inlet port 102 of the duct assembly 1. The air inlet port 102 is sealed to the output end of the temperature control unit to prevent cold air leakage. Simultaneously, the cross-sectional size of the channel gradually decreases from the air inlet end to the outlet end to compensate for pressure loss during airflow, maintain stable air pressure throughout the entire section, and prevent a situation of "more airflow near the outlet and less airflow at the outlet." Next, as the cold air flows within the circulation channel, the guide grille 203 of the directional conveying assembly 2 comes into play. From the outlet end of the duct to the air inlet end, the angle between the guide grille 203 and the airflow direction gradually increases, with a smaller angle at the outlet end reducing obstruction to ensure airflow at the outlet end, and a larger angle near the outlet appropriately limiting flow. To prevent excessive near-end airflow, the grid surface through-holes 2031 also reduce eddies, allowing airflow to flow more evenly to each air outlet port 103. Finally, the evenly distributed cold air enters the directional pipe 201 through the air outlet port 103, and then passes through the duckbill-shaped nozzle of the directional delivery port 204, focusing into a flat airflow that is precisely aimed at the air inlet side of the battery pack. At the same time, the connecting sleeve 2041 of the directional delivery port 204 is tightly connected to the air inlet of the battery pack, ensuring that the cold air is delivered without loss, achieving uniform cooling of each battery pack, controlling the battery temperature difference, and ensuring the stable operation of the energy storage system. The embodiments disclosed in this utility model are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this utility model based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A cooling duct structure for a containerized energy storage air-cooled temperature control unit, characterized in that, The system includes a pipe assembly (1) and a directional conveying assembly (2), wherein the directional conveying assembly (2) is evenly distributed at the bottom of the pipe assembly (1); the pipe assembly (1) includes a conveying pipe (101), an air inlet port (102) is provided on one side of the conveying pipe (101), and multiple air outlet ports (103) are provided along the length direction at the bottom of the conveying pipe (101); a cold air circulation channel (1011) is provided inside the conveying pipe (101), and the air inlet port (102) is... The air outlet (103) is connected to the cold air circulation channel (1011); the directional delivery component (2) includes a directional pipe (201), the top of the directional pipe (201) is provided with a connecting part (202) that cooperates with the air outlet (103), the top of the connecting part (202) is provided with a guide grille (203), and the guide grille (203) extends into the interior of the cold air circulation channel (1011), and the bottom of the directional pipe (201) is provided with a directional delivery port (204). The cross-sectional dimensions of the cold air circulation channel (1011) gradually decrease from the air inlet port (102) to the end of the conveying pipe (101), and the angle between the guide grid (203) and the cold air flow direction gradually increases from the end of the conveying pipe (101) to the air inlet port (102).

2. The air-cooled duct structure of a containerized energy storage air-cooled temperature control unit according to claim 1, characterized in that, The air inlet port (102) is connected to the output end of the external air-cooled temperature control unit, and the inner wall of the air outlet port (103) is provided with a sealing gasket.

3. The air-cooled duct structure of a containerized energy storage air-cooled temperature control unit according to claim 2, characterized in that, The angle between the flow guide (203) and the direction of cold air flow is 0°, 5°, 10°, 15° and 20° from the end of the conveying pipe (101) to the air inlet (102).

4. The air-cooled duct structure of a containerized energy storage air-cooled temperature control unit according to claim 3, characterized in that, The surface of the flow guide (203) is provided with through holes (2031), the diameter of the through holes (2031) is 5-8mm, and the opening rate is 60%-70%.

5. The air-cooled duct structure of a containerized energy storage air-cooled temperature control unit according to claim 4, characterized in that, A cold air nozzle (2042) is provided in the middle of the side of the directional delivery port (204) away from the directional pipe (201). The cold air nozzle (2042) is duckbill shaped. A connecting sleeve (2041) is provided on the edge of the side of the directional delivery port (204) away from the directional pipe (201), and the connecting sleeve (2041) is connected to the air inlet of the external battery pack.

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