A liquid cooling assembly and a battery module including the liquid cooling assembly

Abstract

The utility model discloses a liquid cooling assembly and a battery module including the liquid cooling assembly; including a liquid cooling assembly, the liquid cooling assembly includes two connecting pipes, a plurality of connecting pipes and a plurality of cooling plates; a plurality of cooling plates are twistably installed on the two connecting pipes through the connecting pipe. The beneficial effect is that the cooling plate is installed on the connecting pipe through the twistable connecting pipe, and the cooling plate can be vertically installed on the connecting pipe during assembly. After installation, the cooling plate is twisted to make the cooling plate and the connecting pipe tilted at a certain angle, so that a plurality of cooling plates can be folded together, the entire space volume is reduced, and transportation is convenient. In addition, the vertical cooling plates are arranged on both sides of the battery, and the contact area with the battery is maximized, and the cooling effect is better; the cooling plate has very little contact with the air, and the heat loss is minimized, which solves the problem that the existing cooling plate is installed on the upper or lower part of the battery, avoids the defect that more than half of the cooling plate area is in contact with the air, and the contact area between the battery and the cooling plate is small, and the heat exchange efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a liquid cooling component and a battery module comprising the liquid cooling component. Background Art

[0002] As batteries become more mature and their energy density increases, the space utilization of modules or battery packs is also increasingly demanded. In the current industrial product design of battery packs or modules, there are generally two thermal management methods, namely liquid circulation and heat transfer plate air circulation. The latter is gradually eliminated due to its low efficiency and large size. At present, there are two ways to install liquid circulation components: at the bottom or top of the battery pack. Both have the two major disadvantages of small contact surface with the battery and uneven heat transfer. The upper installation is limited by the battery structure. For battery packs with electrodes at the top, liquid cooling components cannot be used in this way. Some power battery packs adopt this method. Some power battery packs and mainstream energy storage battery packs mainly adopt the bottom installation, but in order to withstand the weight of the battery pack and the acceleration during transportation, the strength requirements are high and the material cost is high. There was a side installation design in the early days, but due to the large delivery volume, the battery pack assembly was difficult. This results in high transportation costs for liquid cooling components and high production costs for battery packs. Industrial production cannot be achieved. Utility Model Content

[0003] The purpose of the present utility model is to provide a method for solving the above-mentioned problems, as described below.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a battery module, including a liquid cooling component, which includes two connecting pipes, a plurality of communicating pipes and a plurality of cooling plates; the plurality of cooling plates are twistably mounted on the two connecting pipes through the communicating pipes; the connecting pipes are connected to the cooling plates through the communicating pipes.

[0006] Preferably, the connecting tube is provided with a first connecting part, a torsion part and a second connecting part; the connecting tube is connected to the connecting tube through the first connecting part, and the connecting tube is connected to the cooling plate through the second connecting part; the connecting tube is made of aluminum, and the cooling plate can be foldably installed on the two connecting tubes through the torsion part of the connecting tube.

[0007] Preferably, the length of the torsion portion is greater than the length of the first connecting portion and the second connecting portion.

[0008] Preferably, a coolant delivery channel is provided in the cooling plate.

[0009] Preferably, the coolant delivery channel is a cooling circulation channel.

[0010] Preferably, one end of the connecting pipe is provided with an internal thread, and the other end of the connecting pipe is provided with an external thread, and the internal thread and the external thread match each other; the connection can also be made through other pipe joints.

[0011] Preferably, it further comprises a plurality of battery packs, wherein the battery packs are fixed by battery pack support frames, and the cooling plates of the liquid cooling assembly are arranged on both sides of each of the battery packs.

[0012] Preferably, the two connecting pipes are respectively a liquid inlet connecting pipe and a liquid outlet connecting pipe.

[0013] Preferably, the battery packs are connected in series.

[0014] Preferably, the battery packs are connected in parallel.

[0015] The beneficial effect is that the cooling plate of the utility model is installed on the connecting pipe through a twistable connecting pipe. The cooling plate can be installed vertically on the connecting pipe during assembly. After installation, the cooling plate is twisted to make the cooling plate and the connecting pipe tilted at a certain angle, so that several cooling plates can be folded together, the entire space volume is reduced, and transportation is convenient. When transported to the battery factory, when the battery needs to be installed, the battery is placed on the battery support frame, and then the adjacent cooling plate is twisted in the opposite direction until the cooling plate is perpendicular to the direction of the connecting pipe and close to the battery, and then the battery and the knob cooling plate are installed in sequence until the entire battery module is assembled. When a larger module is needed, since one end of the connecting pipe is provided with an internal thread and the other end of the connecting pipe is provided with an external thread, the internal thread and the external thread cooperate with each other and can be directly connected or connected through a pipe joint, so as to form a modular structure and facilitate assembly. In addition, vertical cooling plates are arranged on both sides of the battery, so that the contact area with the battery is maximized and the cooling effect is better; the cooling plate has very little contact with the air and the heat loss is minimized, which solves the problem of the existing cooling plate being installed on the upper or lower part of the battery, avoids the defect that more than half of the cooling plate is in contact with the air, while the contact area between the battery and the cooling plate is small, and the heat exchange efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model when folded;

[0018] Figure 2 is a schematic diagram of the installation structure of a battery and a liquid cooling assembly in an embodiment;

[0019] Figure 3 yes Figure 2 The schematic diagram of the installed structure in the embodiment:

[0020] Figure 4 It is a structural schematic diagram of the connecting pipe of the utility model.

[0021] The following are the descriptions of the reference numerals:

[0022] 1. Connecting pipe; 2. Connecting pipe; 201. First connecting part; 202. Twisting part; 203. Second connecting part; 3. Cooling plate; 4. Battery pack. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 As shown, see Figure 1-Figure 4 As shown, the utility model provides a battery 4 module, including a liquid cooling assembly, which includes two connecting tubes 1, a plurality of connecting tubes 2 and a plurality of cooling plates 3; the plurality of cooling plates 3 are twistably mounted on the two connecting tubes 1 through the connecting tubes 2; the connecting tubes 1 are connected to the cooling plates 3 through the connecting tubes 2.

[0025] In this embodiment, the connecting pipe 2 is provided with a first connecting portion 201, a twisting portion 202, and a second connecting portion 203; the connecting pipe 2 is connected to the connecting pipe 1 through the first connecting portion 201, and the connecting pipe 2 is connected to the cooling plate 3 through the second connecting portion 203. The connecting pipe 2 is made of aluminum, and the cooling plate 3 is foldably mounted on the two connecting pipes 1 through the twisting portion 202 of the connecting pipe 2. First, the size of the connecting pipe 2 is calculated according to the needs, and the lengths of the first connecting portion 201, the twisting portion 202, and the second connecting portion 203 are calculated to ensure that normal use meets the needs.

[0026]

[0027] The connecting pipe 1 conforms to the above scheme according to material mechanics calculation. In addition, the torsion of the cooling plate 3 described in the utility model is limited to one torsion and reset.

[0028] In this embodiment, the length of the torsion portion 202 is greater than the length of the first connection portion 201 and the second connection portion 203 .

[0029] In this embodiment, a cooling liquid delivery channel is provided in the cooling plate 3 .

[0030] In this embodiment, the coolant delivery channel is a cooling circulation channel.

[0031] In this embodiment, one end of the connecting pipe 1 is provided with an internal thread, and the other end of the connecting pipe 1 is provided with an external thread, and the internal thread and the external thread match each other; they can also be connected through other pipe joints; they can also be connected through other pipe joints and materials.

[0032] In this embodiment, a plurality of battery packs 4 are further included. The battery packs 4 are fixed by a battery pack support frame, and the cooling plates 3 of the liquid cooling assembly are arranged on both sides of each of the battery packs 4 .

[0033] In this embodiment, the two connecting pipes 1 are respectively a liquid inlet connecting pipe and a liquid outlet connecting pipe.

[0034] In this embodiment, the battery packs 4 are connected in series.

[0035] In this embodiment, the battery packs 4 are connected in parallel.

[0036] Install the above structure as follows:

[0037] See also Figure 1 First, design a connecting pipe 2 that can meet the design requirements, and then install the connecting pipe 1 and the cooling plate 3 on the connecting pipe 1 in sequence. The cooling plate 3 can be installed vertically on the connecting pipe 1 during assembly. After installation, twist the cooling plate 3 to make the cooling plate 3 and the connecting pipe 1 tilted at a certain angle, so that several cooling plates 3 can be folded together, and the entire space volume is reduced, which is convenient for transportation. When transporting to the battery factory, when the battery needs to be installed, put the battery on the battery support frame, and then reversely twist the adjacent cooling plate 3 until the cooling plate 3 is perpendicular to the direction of the connecting pipe 1 and close to the battery, and then install the battery and the knob cooling plate 3 in sequence until the entire battery module is assembled, see Figure 3 When a larger module is needed, since one end of the connecting pipe 1 is provided with an internal thread and the other end of the connecting pipe 1 is provided with an external thread, the internal thread and the external thread cooperate with each other and can be directly connected or connected through a pipe joint, so as to form a modular structure and facilitate assembly. In addition, the liquid cooling component can be arranged at the bottom of the battery or buckled on the upper part of the battery, and the liquid cooling component can be arranged according to different situations. The fixing method of the cooling plate 3 can be bundled or bonded according to the installation position of the cooling plate 3.

[0038] The beneficial effect is that the cooling plate 3 of the utility model is installed on the connecting pipe 1 through the twistable connecting pipe 2. The cooling plate 3 can be installed vertically on the connecting pipe 1 during assembly. After installation, the cooling plate 3 is twisted to make the cooling plate 3 and the connecting pipe 1 tilted at a certain angle, so that several cooling plates 3 can be folded together, the volume of the entire space is reduced, and transportation is convenient. When transported to the battery factory, when the battery needs to be installed, the battery is placed on the battery support frame, and then the adjacent cooling plate 3 is twisted in the opposite direction until the cooling plate 3 is perpendicular to the direction of the connecting pipe 1 and close to the battery, and then the battery and the knob cooling plate 3 are installed in sequence until the whole After a battery module is assembled, when a larger module is needed, since one end of the connecting pipe 1 is provided with an internal thread and the other end of the connecting pipe 1 is provided with an external thread, the internal thread and the external thread cooperate with each other and can be directly connected or connected through a pipe joint, so as to form a modular structure and facilitate assembly. In addition, the vertical cooling plates 3 are arranged on both sides of the battery, so that the contact area with the battery is maximized and the cooling effect is better; the cooling plate 3 has very little contact with the air and the heat loss is minimized, which solves the problem of the existing cooling plate 3 being installed on the upper or lower part of the battery, avoids the defect that more than half of the area of ​​the cooling plate 3 is in contact with the air, while the contact area between the battery and the cooling plate 3 is small, and the heat exchange efficiency is high.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A liquid cooling component, characterized in that: It comprises two connecting pipes, a plurality of connecting pipes and a plurality of cooling plates; the plurality of cooling plates are twistably mounted on the two connecting pipes through the connecting pipes; the connecting pipes are connected with the cooling plates through the connecting pipes; The connecting pipe is provided with a first connecting portion, a twisting portion, and a second connecting portion; the connecting pipe is connected to the connecting pipe through the first connecting portion, and the connecting pipe is connected to the cooling plate through the second connecting portion; the connecting pipe is made of aluminum, and the cooling plate is foldably mounted on the two connecting pipes through the twisting portion of the connecting pipe; The length of the torsion portion is greater than the length of the first connection portion and the second connection portion; A coolant delivery channel is provided in the cooling plate; The coolant delivery channel is a cooling circulation channel; One end of the connecting pipe is provided with an internal thread, and the other end of the connecting pipe is provided with an external thread, and the internal thread and the external thread match each other.

2. A battery module, comprising the liquid cooling assembly according to claim 1, characterized in that: It also includes a plurality of battery packs, which are fixed by battery pack support frames, and the cooling plates of the liquid cooling assembly are arranged on both sides of each of the battery packs.

3. The battery module according to claim 2, characterized in that: The two connecting pipes are respectively a liquid inlet connecting pipe and a liquid outlet connecting pipe.

4. The battery module according to claim 3, characterized in that: The battery packs are connected in series.

5. The battery module according to claim 3, characterized in that: The battery packs are connected together in parallel.

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