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EV battery cooling unit

A technology for electric vehicles and cooling devices, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of uneven cooling of serial flow channels and insignificant cooling effect of parallel flow channels, so as to avoid sudden power loss and use. The effect of life enhancement and increased water pressure

Inactive Publication Date: 2018-12-11
HUANGHE S & T COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a new electric vehicle battery cooling device, which effectively solves the problem of ineffective cooling of parallel channels and uneven cooling of serial channels.

Method used

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  • EV battery cooling unit
  • EV battery cooling unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1, the present invention is an electric vehicle battery cooling device, including a battery box 1, in which a number of discharge cells 2 are fixedly installed, and the feature is that two groups of cooling cells are surrounded outside the cell 2 Tube 3, specifically, the cooling tube 3 is divided into an external cooling tube 3-1 and an internal cooling tube 3-2 connected to each other. The battery core 2 is surrounded by an internal cooling tube 3-2, and the cooling tube 3 Cooling water can be installed inside to realize dual-cycle cooling, and other liquids for cooling can also be installed in the cooling pipe 3, and a set of switch valve groups 4 are installed on the cooling pipe 3, refer to Figure 4 , the switch valve group 4 can control the flow of cooling water, the switch valve group 4 can be opened when the temperature rises, and the double cycle is changed into a four-cycle cooling, and the two ends of the cooling pipe 3 described in each group are ...

Embodiment 2

[0048] Embodiment 2. On the basis of Embodiment 1, thermal conductive silicone grease can be coated between the battery core 2 and cooling pipe 3. Thermal conductive silicone grease has high thermal conductivity, excellent thermal conductivity, and good electrical insulation , wider service temperature, good service stability, low consistency and good construction performance.

Embodiment 3

[0049] Embodiment 3. On the basis of Embodiment 1, the direction changing device 7 includes a transverse direction changing bevel gear 23 coaxially fixedly connected with the impeller 6. The rotation of the transverse direction changing bevel gear 23 can drive the impeller 6 to rotate. The direction bevel gear 23 is located below the cooling water circulation barrel 5, and a waterproof gasket can be installed between the transverse direction change bevel gear 23 and the cooling water circulation barrel 5 to increase the sealing performance of the cooling water circulation barrel 5, and the lateral direction change bevel gear 23 meshes sideways There is a longitudinal direction-changing bevel gear set 24, and a large direction-changing bevel gear 25 is co-engaged next to the two longitudinal direction-changing bevel gear sets 24 below the two adjacent cooling water circulation barrels 5. The driven bevel gear 17 is meshed beside the direction-changing bevel gear 25 .

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Abstract

The invention relates to an electric vehicle battery cooling device which efficiently solves problems of an unobvious cooling effect of parallel flow channels and uneven cooling of serial flow channels of an existing cooling device. According to the technical scheme for solving the problems, the electric vehicle battery cooling device comprises a battery box provided with multiple rows of electriccores; and the electric vehicle cooling device is characterized in that two groups of cooling pipes surround the electric cores, cooling water is filled with the cooling pipes to realize double-circulation cooling; the cooling pipes are provided with a switch valve group; the switch valve group can be opened when the temperature rises, so as to change the double-circulation cooling into four-circulation cooling; cooling water circulating buckets are fixedly connected at the two ends of each cooling pipe; an impeller is rotationally connected inside each cooling water circulating bucket; a steering device is fixedly and coaxially connected at the lower end of each impeller; the steering device is arranged at the lower side of each cooling water circulating bucket and is connected with a variable speed drive device arranged at the lower side of the battery box; an evaporator can be suspended at the exterior of each cooling water circulating bucket; and the evaporator can be connected with a condenser in a vehicle air-conditioning system. The electric vehicle battery cooling device improves the battery cooling effect.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to an electric vehicle battery cooling device. Background technique [0002] Under the background of energy constraints and environmental pollution, the country regards the development of new energy as an important measure to improve the environment and save costs. Among them, with continuous efforts, the new energy automobile industry has shown a good momentum of development in recent years. Electric vehicles are favored by the majority of users because of their low cost of use, easy maintenance, stable driving, no impact in shifting gears, and environmental protection, and have quickly become the most important part of new energy vehicles. Major automobile manufacturers are also vigorously developing the electric vehicle industry in response to market demand and the country's call, making electric vehicles have made great progress in recent years. [0003] As one of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/613H01M10/625H01M10/6567
CPCH01M10/613H01M10/625H01M10/6567Y02E60/10
Inventor 杨娜冯钊
Owner HUANGHE S & T COLLEGE