Liquid cooling system of storage battery and liquid cooling method of storage battery

Abstract

The invention discloses a storage battery, in particular to a liquid cooling system of a vehicle power storage battery, comprising a heat collection device (R), a radiator (5), a liquid pump (6) and a cooling liquid box (7) which are connected into a circulation loop through a cooling liquid pipe (8). The heat collection device (R) comprises a heat collection plate (2) and a heat conducting tube (3) made of heat conducting materials, wherein the heat collection plate (2) is jointed and connected on the outer surface of the storage battery (1), the two ends of the heat conducting tube (3) are respectively communicated with the cooling liquid pipe (8), and the heat conducting tube (3) is arranged on the outer surface of the heat collection plate (2). The liquid cooling system can effectively collect heat of the storage battery and adopts the cooling liquid to cool the storage battery, thereby having higher cooling efficiency, furthermore, the liquid cooling system can ensure that the storage battery can not be damaged due to the reasons of leakage of the cooling liquid and the like, therefore, the service life and the safety of the storage battery are ensured. In addition, the invention also provides a liquid cooling method of the storage battery.

Description

technical field [0001] The invention relates to a liquid cooling system for a storage battery (especially a vehicle power storage battery), in particular to a system for dissipating heat from the storage battery through cooling liquid. In addition, the invention also relates to a liquid cooling method for a storage battery. Background technique [0002] Generally speaking, a battery is a battery pack composed of multiple single cells. Batteries are widely used in various industries, such as batteries for automotive lighting and ignition systems. Since the storage battery is composed of multiple single cells, each single cell will generate heat during use, which will increase the overall temperature of the storage battery. The temperature rise of the battery will have adverse effects on the chemical reaction liquid inside the battery, such as expansion and gasification, which will reduce the overall performance of the battery. As an important factor affecting battery perfo...

AI Technical Summary

Problems solved by technology

However, this has encountered many difficulties technically, so the liquid cooling system of the battery has not been really realized.

[0005] The technical difficulties in realizing the liquid cooling system of the battery are as follows: First, it is difficult to set the flow channel of the cooling liquid. If the flow channel of the cooling liquid is not properly set, once the cooling liquid leaks, it may cause the battery to short circuit, or even cause the battery to be damaged. Second, because the battery is composed of multiple cells in close contact, the heat generated by these cells is very difficult to collect for cooling; third, when the battery generates more heat, it is necessary to increase the flow rate of the cooling fluid to When effective cooling is performed, the accelerated coolant will collide sharply with the pipe wall in the delivery pipe, and even form an irregular direct impact on the battery due to the improper shape of the delivery pipe at the battery, which will cause The battery vibrates violently or even shakes (especially when the vehicle battery itself needs to withstand the vibration of the car, the vibration or shaking will be aggravated or even resonate), which will adversely affect the performance of the battery and even be damaged

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