Heat dissipation baffle and battery assembly with same

Abstract

This utility model relates to the field of battery pack technology, specifically to a heat dissipation partition and a battery assembly having the same. The heat dissipation partition internally comprises an air inlet, a rectifier, a distributor, and an air outlet. The rectifier has a rectifying air duct for adjusting airflow direction and uniformizing airflow speed. The distributor connects to the air outlet to form an air outlet duct for accelerating airflow speed. This utility model's heat dissipation partition, through its internal rectifier and distributor, can achieve uniform and accelerated heat dissipation of the battery assembly.

Description

Technical Field

[0001] This utility model relates to the field of battery pack technology, specifically to a heat dissipation partition and a battery assembly having the same. Background Technology

[0002] The current cooling channels for blade batteries are usually located below the blade battery pack. The existing cooling channels have slow airflow and uneven heat dissipation. In addition, each layer of the cooling channel needs to be equipped with a fan. The large number of fans leads to excessive power consumption for heat dissipation, which increases the operating cost of the blade battery. Utility Model Content

[0003] In view of this, the present invention provides a heat dissipation partition and a battery assembly having the same, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0004] To achieve the aforementioned objective, the first aspect of this utility model provides a heat dissipation partition. The heat dissipation partition is provided with an air inlet, a rectifier, a distributor, and an air outlet in sequence inside. The rectifier has a rectifier air duct, which is used to adjust the air direction and uniformly distribute the air speed. The distributor is connected to the air outlet to form an air outlet duct, which is used to accelerate the air speed.

[0005] Optionally, in the heat dissipation baffle as described above, the rectifier section is provided with partition ribs, the partition ribs divide the rectifier section into multiple rectifier air ducts, and the two side edges of the rectifier section are provided with air guide plates protruding towards the partition ribs.

[0006] Optionally, in the heat dissipation baffle as described above, the rectifier section is provided with a plurality of the partition ribs, and the plurality of partition ribs are parallel to the straight air duct path connecting the air inlet section to the air outlet section.

[0007] In the heat dissipation baffle as described above, optionally, the length of the partition rib and the air guide plate is 1 / 3 of the length of the heat dissipation baffle.

[0008] Optionally, in the heat dissipation partition as described above, the flow distribution section is provided with at least two partition strips, the partition strips are connected to the air outlet section, and the air outlet duct is formed between the partition strips.

[0009] Optionally, in the heat dissipation partition as described above, the partition strip may further include a middle partition strip and side partition strips located on both sides of the middle partition strip, for dividing the diversion portion into two air outlet ducts.

[0010] In the heat dissipation partition as described above, optionally, the portions of the side partitions on both sides near the rectifier section move closer to the middle partition to narrow the cross-section of the air outlet duct.

[0011] Optionally, in the heat dissipation partition as described above, the air outlet includes a second partition plate connected to the intermediate partition strip. The second partition plate divides the air outlet into air outlets on both sides and narrows the cross-section of the air outlet duct at the air outlet.

[0012] To achieve the aforementioned objective, a second aspect of the present invention provides a battery assembly, the battery assembly including a heat dissipation partition as described in any one of the first aspects above, wherein a plurality of blade batteries and a plurality of heat dissipation partitions are stacked at intervals between each other.

[0013] In the battery assembly described above, optionally, the heat dissipation partition is provided with a first partition plate that divides the air inlet portion into two air inlets on both sides, and the air outlet portion is provided with a second partition plate that divides the air outlet portion into two air outlets on both sides. The first partition plate and the second partition plate are respectively provided for the electrode plates at both ends of the blade battery. The first partition plate and the second partition plate protrude into the heat dissipation partition to provide space for accommodating the electrode plates of the blade battery on both sides.

[0014] The heat dissipation baffle of this invention is stacked with the blade battery at intervals, which can absorb the heat of adjacent blade batteries. The heat dissipation baffle is provided with an air inlet, a rectifier, a distributor, and an air outlet in sequence. The rectifier air duct of the rectifier and the air outlet connected by the distributor form an air outlet duct, which can make the airflow direction of the air passing through it consistent and uniform, and accelerate the air speed, thereby speeding up the heat dissipation of the heat dissipation baffle.

[0015] This invention also provides a battery assembly that has all the features of the aforementioned heat dissipation partition, and thus also has its corresponding advantages. Attached Figure Description

[0016] The disclosure of this utility model will become more apparent from the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0017] Figure 1 This is a perspective view of one embodiment of the battery assembly of this utility model.

[0018] Figure 2 for Figure 1 A partially enlarged schematic diagram of an embodiment of the battery assembly.

[0019] Figure 3This is a schematic diagram of the internal air duct structure of the heat dissipation partition of this utility model.

[0020] Figure 4 This is a partially enlarged schematic diagram of the internal air duct of the heat dissipation partition of this utility model, showing the rectifier section.

[0021] Figure 5 This is a partially enlarged schematic diagram of the internal air duct of the heat dissipation partition of this utility model, showing the flow distribution section and the air outlet section.

[0022] Figure 6 This is a schematic diagram of the airflow direction of the internal air duct of the heat dissipation partition of this utility model.

[0023] Reference numerals: 1-Heat dissipation baffle; 2-Air inlet; 21-First baffle; 22-Air inlet; 3-Air outlet; 31-Second baffle; 32-Air outlet; 33-Air outlet duct; 4-Rectifying section; 41-Separating rib; 42-Air guide plate; 43-Rectifying duct; 5-Bifurcation section; 51-Separating strip; 52-Side separating strip; 53-Intermediate separating strip; 6-Blade battery; 61-Electrode. Detailed Implementation

[0024] Referring to the accompanying drawings and specific embodiments, the structure, composition, features and advantages of the heat dissipation partition of the present invention and the battery assembly having it will be described by way of example below. However, all descriptions should not be used to limit the present invention in any way.

[0025] Furthermore, for any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature shown or implied in the various drawings, the present invention still allows for any combination or deletion of these technical features (or their equivalents) without any technical obstacle. Therefore, these further embodiments according to the present invention should also be considered within the scope of the description herein.

[0026] It should also be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship of the heat dissipation partition and the battery assembly having it shown in the accompanying drawings. They are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0028] In the description of this disclosure, "multiple" means at least two, such as two, three or more, unless otherwise expressly and specifically limited.

[0029] from Figure 1 and Figure 2 As can be seen, the battery assembly of this utility model includes a heat dissipation partition 1 and a blade battery 6. The shape and size of the heat dissipation partition 1 are the same as those of the blade battery 6. Multiple heat dissipation partitions 1 and multiple blade batteries 6 are stacked and arranged alternately, that is, the side of the heat dissipation partition 1 is in contact with the side of the blade battery 6. One heat dissipation partition 1 and one blade battery 6 are arranged and stacked alternately, thereby making the structure of the battery assembly more compact.

[0030] The heat dissipation plate 1 is used to absorb the heat of the adjacent blade battery 6. The staggered arrangement ensures that each blade battery 6 has an adjacent heat dissipation plate 1 for heat dissipation. Moreover, since the side of the heat dissipation plate 1 is in contact with the side of the blade battery 6, the heat dissipation plate 1 can absorb the heat of the entire blade battery 6, thereby ensuring that each blade battery 6 can be heat dissipated evenly.

[0031] Optionally, a steel strip (not shown in the figure) can be used to connect the heat dissipation partition 1 and the blade battery 6 to increase the preload between the heat dissipation partition 1 and the blade battery 6, thereby enhancing the reliability and tightness of the connection between the heat dissipation partition 1 and the blade battery 6 and preventing relative slippage.

[0032] The heat dissipation plate 1 can be made of aluminum alloy, which has excellent thermal conductivity and can absorb the heat from the adjacent blade battery 6, thus achieving large-area heat exchange for the blade battery 6. The blade battery 6 can be made of sodium-ion battery, which has higher thermal stability and more stable internal impedance, making it less prone to thermal runaway. It also has strong environmental adaptability and is suitable for outdoor deployment under various climatic conditions.

[0033] The heat dissipation baffle 1 of this utility model is a heat dissipation baffle 1 for an air-cooled system. Air can circulate inside the heat dissipation baffle 1. That is, air can enter from one end of the air inlet of the heat dissipation baffle 1, pass through the interior of the heat dissipation baffle 1, and carry the heat of the blade battery 6 absorbed by the heat dissipation baffle 1, and dissipate from the other end of the air outlet of the heat dissipation baffle 1 to achieve heat dissipation of the blade battery 6.

[0034] Because of the spaced stacking arrangement of the heat dissipation partition 1 and the blade battery 6, several cooling fans can be evenly distributed at one end near the battery assembly. It is not necessary to equip each layer of heat dissipation partition 1 with a cooling fan. Air can circulate through the heat dissipation partition 1 to carry away the heat absorbed by the blade battery 6 by the heat dissipation partition 1, so as to achieve the effect of heat dissipation of the battery assembly.

[0035] The cooling fan can be a blower fan, positioned near the air intake end of the heat dissipation partition 1. Optionally, the cooling fan can also be an exhaust fan, positioned near the air outlet end of the heat dissipation partition 1. In other optional embodiments, a blower fan can be positioned near the air intake end of the heat dissipation partition 1, while an exhaust fan can be positioned near the air outlet end of the heat dissipation partition 1, to increase airflow within the air duct 11 of the heat dissipation partition 1 and accelerate heat dissipation.

[0036] Specifically, such as Figure 3 As shown, the heat dissipation partition 1 is provided with an air inlet 2, a rectifier 4, a distributor 5, and an air outlet 3 in sequence. The air inlet 2 and the air outlet 3 are respectively located at both ends of the heat dissipation partition 1. The rectifier 4 has a rectifier air duct 43, and the distributor 5 is connected to the air outlet 3 to form an air outlet air duct 33.

[0037] In use, the cooling fan guides the cooler external air into the air inlet 2 of the heat dissipation partition 1, then through the rectifier duct 43 of the rectifier 4 to adjust the air direction and uniform the air speed, then through the outlet duct 33 of the splitter 5 to accelerate, and finally out to the outside from the outlet 3.

[0038] It should be noted that when passing through the rectifier air duct 43 and the outlet air duct 33, due to the heat exchange principle, the heat absorbed by the heat dissipation plate 1 of the blade battery 6 is transferred to the passing air, and the air carries the heat of the blade battery 6 and dissipates it to the outside of the outlet air duct 3.

[0039] Specifically, such as Figure 3 As shown, the air inlet 2 is provided with a first partition plate 21, which is located in the middle of the air inlet 2 and divides the air inlet 2 into two air inlets 22 on both sides.

[0040] Optionally, the first partition 21 can be as follows: Figure 3 In the embodiment, the cone shape, with the tip of the cone facing the rectifier 4, can guide the air entering from the air inlet 22.

[0041] In other embodiments, the shape of the first partition 21 is not limited and can be rectangular, triangular, etc., depending on actual needs. The number of first partitions 21 is also not limited and can be as follows: Figure 3 One or more embodiments can be used, depending on the actual situation.

[0042] Combination Figure 2 It can be seen that the position of the first partition plate 21 of the heat dissipation partition 1 corresponds to the position of the electrode plate 61 of one end of the blade battery 6. That is, the first partition plate 21 can protrude into the interior of the heat dissipation partition 1 to provide space for accommodating the electrode plates 61 of the blade battery 6 on both sides, and also serves to separate the air intake 2.

[0043] It is understandable that external wind can enter the air inlet 22 from various directions (such as...). Figure 6 (As shown by the middle arrow), therefore, the airflow entering the air inlet 22 from all directions needs to be rectified by the rectifier 4 to adjust the airflow direction to be consistent and the airflow speed uniform. Specifically, as shown... Figure 4 As shown, the rectifier section 4 is provided with a partition rib 41, which divides the rectifier section 4 into multiple rectifier air ducts 43.

[0044] exist Figure 4 In this embodiment, the rectifier 4 is provided with a partition rib 41, which is parallel to the length direction of the heat dissipation baffle 1, that is, parallel to the shortest straight airflow path connecting the air inlet 2 to the air outlet 3. Therefore, the air entering the rectifier 4, due to the Coanda effect, will flow along the partition rib 41 to the distribution section 5. That is, the air along the partition rib 41 is rectified to be parallel to the length direction of the heat dissipation baffle 1, and the flow velocity is uniform (e.g., ...). Figure 6 (As indicated by the middle arrow).

[0045] Optionally, the number of partition bars 41 is not limited, and can be as follows: Figure 4 The embodiment shown has four parallel dividing ribs 41 that divide the air duct 11 into five channels, through which the air can flow. In other embodiments, there may be multiple dividing ribs 41, as long as they can evenly divide the air duct 11.

[0046] Furthermore, air guide plates 42 can be provided on both sides of the rectifier section 4. The air guide plates 42 protrude towards the partition ribs 41. The air guide plates 42 are streamlined to reduce wind resistance, so that the wind can pass smoothly through the air guide plates 42.

[0047] Combination Figure 3 It can be seen that the length of the dividing rib 41 and the air guide plate 42 is 1 / 3 of the longitudinal length of the air duct 11, so that the passing air has a longer rectification process, in order to achieve the purpose of adjusting the wind direction and the average wind speed.

[0048] To reduce the air resistance of the heat dissipation baffle 1 and accelerate heat dissipation, the heat dissipation baffle 1 of this utility model is also provided with a flow diversion section 5. Specifically, as shown in... Figure 5 As shown, the heat dissipation partition 1 has at least two partition bars 51 in the diversion section 5, and an air outlet duct 33 is formed between the partition bars 51.

[0049] Specifically, the divider 51 includes a side divider 52 and a middle divider 53, such as Figure 5 As shown, the middle partition 53 is a straight line, and the side partitions 52 are located on both sides of the middle partition 53, and the side partitions 52 on both sides are correspondingly arranged and are curved. The side partitions 52 on both sides and the middle partition 53 divide the diversion section 5 into two air outlet ducts 33 to facilitate the diversion of air.

[0050] Furthermore, combined Figure 3 As shown, the portions of the side partitions 52 near the rectifier 4 move closer to the middle partition 53, while the middle portions of the side partitions 52 move away from the middle partition 53. The portions of the side partitions 52 near the air outlet 3 are parallel to the edge of the heat dissipation baffle 1 and connected to the air outlet 3. This results in the cross-section of the air outlet duct 33 formed on both sides of the middle partition 53 gradually widening. As the air passes through the narrowed air outlet duct 33, the wind speed increases, thereby increasing the airflow velocity.

[0051] from Figure 5 It can also be seen that the air outlet 3 is provided with a second partition plate 31, which is located in the middle of the air outlet 3. The second partition plate 31 divides the air outlet 3 into two air outlets 32 on both sides, and the second partition plate 31 is connected to the middle partition strip 53. Furthermore, the connection between the second partition plate 31 and the middle partition strip 53 is rounded to reduce wind resistance.

[0052] Optionally, the shape of the second partition 31 is not limited, and can be as follows: Figure 5 The rectangle in the embodiment can also be a triangle, a cone, etc., depending on actual needs. The number of the second partition plates 31 is also not limited, and can be as follows: Figure 5 One or more embodiments can be used, depending on the actual situation.

[0053] Specifically, the connection between the second partition plate 31 and the middle partition strip 53 causes the channel to narrow again at the air outlet 3, that is, the cross-section of the air outlet duct 33 formed on both sides of the middle partition strip 53 changes from narrow to wide and then narrows again.

[0054] When the airflow passes through the diversion section 5 and the outlet section 3, it first accelerates through the narrower outlet duct 33, then through the wider outlet duct 33, and finally through the narrower outlet duct 33 at the outlet section 3, where it accelerates again. It can be understood that after these two accelerations, the maximum airflow speed occurs at the outlet 32. The diversion section 5 of the heat dissipation baffle 1 ensures that the airflow passing through the heat dissipation baffle 1 maintains a consistently high airflow speed, thereby accelerating the heat dissipation of the heat dissipation baffle.

[0055] The heat dissipation baffle 1 of this invention, through its internally arranged air inlet 2, rectifier 4, diverter 5, and outlet 3, can accelerate and balance the airflow entering it. This reduces the number of cooling fans, thereby reducing the heat dissipation energy consumption of the blade battery.

[0056] When using, such as Figure 6As shown by the arrows, external air enters the interior of the heat dissipation baffle 1 from various directions through the air inlet 22 of the air inlet 2. It is rectified by the rectifier duct 43 of the rectifier 4 into a parallel straight airflow path as shown by the arrows. Then, it accelerates through the narrowing section of the outlet duct 33 at the branch 5, passes through the wider section of the outlet duct 33, and finally accelerates again through the narrowing section of the outlet duct 33 at the air outlet 32, as shown by the arrows. In this way, the airflow speed inside the heat dissipation baffle 1 is increased and becomes more uniform and stable. This allows for rapid heat dissipation with fewer cooling fans while reducing energy consumption.

[0057] Furthermore, the present invention also provides a battery assembly comprising a blade battery 6 and a heat dissipation partition 1 stacked at intervals, thereby the battery assembly having all the features of the aforementioned heat dissipation partition 1, and thus also possessing its corresponding advantages.

[0058] The technical scope of this utility model is not limited to the contents of the above description. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the scope of this utility model.

Claims

1. A heat dissipation partition, characterized in that, The heat dissipation baffle (1) is provided with an air inlet (2), a rectifier (4), a diverter (5) and an air outlet (3) in sequence. The rectifier (4) has a rectifier air duct (43), which is used to adjust the wind direction and uniform wind speed. The diverter (5) is connected to the air outlet (3) to form an air outlet duct (33), which is used to accelerate the wind speed.

2. The heat dissipation partition as described in claim 1, characterized in that, The rectifier (4) is provided with a partition rib (41), which divides the rectifier (4) into multiple rectifier air ducts (43), and the two sides of the rectifier (4) are provided with air guide plates (42) protruding towards the partition rib (41).

3. The heat dissipation partition as described in claim 2, characterized in that, The rectifier (4) is provided with a plurality of the partition ribs (41), which are parallel to the straight air duct path connecting the air inlet (2) to the air outlet (3).

4. The heat dissipation partition as described in claim 3, characterized in that, The lengths of the partition rib (41) and the air guide plate (42) are 1 / 3 of the length of the heat dissipation partition (1).

5. The heat dissipation partition as described in claim 1, characterized in that, The diversion section (5) is provided with at least two partition strips (51), the partition strips (51) are connected to the air outlet section (3), and the air outlet duct (33) is formed between the partition strips (51).

6. The heat dissipation partition as described in claim 5, characterized in that, The dividing strip (51) also includes a middle dividing strip (53) and side dividing strips (52) located on both sides of the middle dividing strip (53), for dividing the diversion section (5) into two air outlet ducts (33).

7. The heat dissipation partition as described in claim 6, characterized in that, The portions of the side partitions (52) and (51) on both sides that are close to the rectifier (4) move closer to the middle partition (53) to narrow the cross-section of the air outlet duct (33).

8. The heat dissipation partition as described in claim 7, characterized in that, The air outlet (3) includes a second partition plate (31), which is connected to the middle partition strip (53). The second partition plate (31) divides the air outlet (3) into air outlets (32) on both sides. The second partition plate (31) narrows the cross-section of the air outlet duct (33) at the air outlet (32).

9. A battery assembly, characterized in that, The battery assembly includes blade batteries (6) and heat dissipation partitions as described in any one of claims 1 to 8, wherein a plurality of blade batteries (6) and a plurality of heat dissipation partitions (1) are stacked at intervals between each other.

10. The battery assembly as claimed in claim 9, characterized in that, The heat dissipation partition (1) is provided with a first partition (21) that divides the air inlet (2) into two air inlets (22) on both sides, and the air outlet (3) is provided with a second partition (31) that divides the air outlet (3) into two air outlets (32) on both sides. The first partition (21) and the second partition (31) are respectively provided for the electrode plates (61) at both ends of the blade battery (6). The first partition (21) and the second partition (31) protrude into the heat dissipation partition (1) to provide space for accommodating the electrode plates (61) of the blade battery (6) on both sides.

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