Power battery system with upgradable heat exchange device

Abstract

The utility model provides a power battery system with an upgradable heat exchange device, which comprises a battery box body, a reserved cooling tank is arranged on one side surface of the battery box body, and the reserved cooling tank is provided with a notch arranged on the side surface of the battery box body and a tank body which extends into the battery box body and is positioned below a battery module; and a liquid cooling device is inserted into the reserved cooling groove and comprises a cooling plate inserted into the groove body and a sealing end cover fixed on the groove opening. According to the power battery scheme, a battery system is upgraded into liquid cooling and liquid heating by additionally arranging a heat exchange system device on the market in the later period, so that the performance of the power battery is improved, the service life of the power battery is prolonged, and the environmental adaptability of the whole vehicle is improved.

Description

Technical Field

[0001] The utility model relates to a power battery for an automobile. Background Art

[0002] The original vehicle power battery system only has natural cooling and cannot cope with harsh operating conditions and extreme usage scenarios. This power battery solution, when the original vehicle is equipped with a battery system with natural cooling, upgrades the battery system to liquid cooling through the installation of a heat exchange system device in the later market, thereby improving the power battery performance, extending the power battery life, and improving the environmental adaptability of the vehicle. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model provides a power battery system with an upgradeable heat exchange device. The battery system can upgrade the software and hardware of the heat exchange system through the liquid cooling device structure reserved for the battery system, the reserved three-way water pipe interface of the whole vehicle, and finally complete the upgrade of the heat exchange system of the battery system, thereby improving the performance of the power battery, extending the service life of the power battery, and improving the environmental adaptability of the whole vehicle.

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

[0005] A power battery system with an upgradeable heat exchange device includes a battery case, a battery module is arranged in the battery case, a reserved cooling groove is opened on one side of the battery case, the reserved cooling groove has a notch opened on the side of the battery case and a groove body extending into the battery case and located below the battery module, a liquid cooling device is inserted into the reserved cooling groove, and the liquid cooling device includes a cooling plate inserted into the groove body and a sealing end cover fixed on the notch.

[0006] The cooling plate is provided with multiple liquid cooling channels.

[0007] The sealing end cover is provided with a liquid inlet and outlet communicated with the multi-branch liquid cooling flow channel.

[0008] The cooling plate is arranged closely below the battery module.

[0009] The sealing end cover is arranged at one end of the cooling plate and is perpendicular to the cooling plate.

[0010] The length of the sealing end cover is greater than the length of the notch, bolt holes are arranged at both ends of the sealing end cover, and the sealing end cover is fixed to the two ends of the notch by locking nuts passing through the bolt holes.

[0011] A sealing ring is arranged on a surface of the sealing end cover close to the notch.

[0012] The sealing ring is pasted with adhesive-backed compressed foam.

[0013] The upper surface of the liquid cooling plate is coated with thermal conductive silica gel.

[0014] The liquid inlet and outlet are communicated with a thermal management structure reserved for the entire vehicle.

[0015] The beneficial effects of the utility model are:

[0016] This power battery solution, under the original vehicle power battery system configuration of natural cooling, upgrades the battery system to liquid cooling and liquid heat exchange by adding a heat exchange system device in the later market, thereby improving the power battery performance, extending the power battery service life, and improving the environmental adaptability of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of the battery system of the utility model;

[0019] Figure 2 for Figure 1 A schematic structural diagram of a liquid cooling device for the battery system.

[0020] in:

[0021] 10-battery box; 11-reserved cooling groove; 20-liquid cooling device; 21-liquid cooling plate; 22-sealing end cover; 23-sealing ring; 24-liquid inlet; 25-liquid outlet; 26-multi-branch liquid cooling channel; 27-locking nut. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and do not constitute a limitation of the utility model.

[0023] like Figure 1-2 As shown, the utility model provides a power battery system with an upgradeable heat exchange device, including a battery case 10, in which a battery module is arranged, and a reserved cooling groove 11 is opened on one side of the battery case 10, and the reserved cooling groove 11 has a notch opened on the side of the battery case 10 and a groove body extending into the battery case and located below the battery module. When the power battery system is liquid-cooled, it is only necessary to insert a liquid cooling device 20 into the reserved cooling groove 11 to realize the upgrade of the heat exchange device of the power battery system.

[0024] The liquid cooling device includes a cooling plate 21 inserted into the slot body and a sealing end cover 22 fixed on the slot. The sealing end cover 22 is arranged at one end of the cooling plate 21 and is perpendicular to the cooling plate 21 .

[0025] The cooling plate 21 is provided with a multi-branch liquid cooling channel 26 and has a thermally conductive silicone on the upper surface. The sealing end cap 22 is provided with a liquid inlet 24 and a liquid outlet 25 which are connected to the multi-branch liquid cooling channel 6. The cooling plate 21 is set close to the bottom of the battery module. After the cooling device is inserted into the cooling tank 11 and fixed, the liquid inlet 24 and the liquid outlet 25 are connected to the thermal management structure reserved for the vehicle through accessories, so that the liquid cooling heat exchange of the power battery can be realized.

[0026] In order to achieve a fixed connection between the cooling device 20 and the cooling slot 11, the length of the sealing end cover 22 is greater than the length of the slot, bolt holes are provided at both ends of the sealing end cover 22, and the sealing end cover 22 is fixed to both ends of the slot by locking nuts 27 passing through the bolt holes.

[0027] In order to achieve sealing between the sealing end cover 22 and the battery box 10, a sealing ring 23 is provided on the side of the sealing end cover 22 close to the notch, and the sealing ring 23 is pasted with adhesive-backed compressed foam.

[0028] This power battery solution, under the original vehicle power battery system configuration of natural cooling, upgrades the battery system to liquid cooling and liquid heating by adding a heat exchange system device in the later market, thereby improving the power battery performance, extending the power battery service life, and improving the environmental adaptability of the entire vehicle.

[0029] The above specific implementation methods describe the basic principles and main features of the utility model. Those skilled in the art should understand that the protection scope of the utility model is not limited by the above embodiments, and any changes or substitutions that are not conceived through creative work 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 defined in the claims.

Claims

1. A power battery system with an upgradeable heat exchange device, comprising a battery box, wherein a battery module is arranged in the battery box, characterized in that: A reserved cooling groove is provided on one side of the battery case, and the reserved cooling groove has a notch provided on the side of the battery case and a groove body extending into the battery case and located below the battery module. A liquid cooling device is inserted into the reserved cooling groove, and the liquid cooling device includes a cooling plate inserted into the groove body and a sealing end cover fixed on the notch.

2. A power battery system with an upgradeable heat exchange device as claimed in claim 1, characterized in that: The cooling plate is provided with multiple liquid cooling channels.

3. A power battery system with an upgradeable heat exchange device as claimed in claim 2, characterized in that: The sealing end cover is provided with a liquid inlet and outlet communicated with the multi-branch liquid cooling flow channel.

4. A power battery system with an upgradeable heat exchange device as claimed in claim 3, characterized in that: The cooling plate is arranged closely below the battery module.

5. A power battery system with an upgradeable heat exchange device as claimed in claim 3, characterized in that: The sealing end cover is arranged at one end of the cooling plate and is perpendicular to the cooling plate.

6. A power battery system with an upgradeable heat exchange device as claimed in claim 4, characterized in that: The length of the sealing end cover is greater than the length of the notch, bolt holes are arranged at both ends of the sealing end cover, and the sealing end cover is fixed to the two ends of the notch by locking nuts passing through the bolt holes.

7. A power battery system with an upgradeable heat exchange device as claimed in claim 6, characterized in that: A sealing ring is arranged on a surface of the sealing end cover close to the notch.

8. A power battery system with an upgradeable heat exchange device as claimed in claim 7, characterized in that: The sealing ring is pasted with adhesive-backed compressed foam.

9. A power battery system with an upgradeable heat exchange device as claimed in claim 8, characterized in that: The upper surface of the cooling plate is coated with thermal conductive silica gel.

10. A power battery system with an upgradeable heat exchange device as claimed in claim 9, characterized in that: The liquid inlet and outlet are communicated with a thermal management structure reserved for the entire vehicle.

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