A structure of electric vehicle power battery system
A power battery and system structure technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of reducing the service life of the battery system, different flow rates and flow rates, and poor temperature uniformity of battery modules, and achieve improved uniformity. performance, prolonging service life, and improving temperature uniformity
Active Publication Date: 2021-04-30
DONGFENG MOTOR CO LTD
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Existing water-cooled plates are provided with multiple flow channels in parallel. However, no matter where the water inlet and outlet are arranged, the flow velocity and flow rate of each flow channel will be different due to the distance from the water inlet and outlet.
Therefore, the cooling inside each flow channel will also have large differences due to the uneven flow velocity and flow distribution, which will affect the heat exchange effect between the flow channel and the battery module, resulting in poor temperature uniformity of the battery module and lower battery life. system lifetime
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0044] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0045] Such as Figure 17 to Figure 23 As shown, the present invention is an electric vehicle power battery system structure, which is characterized in that it includes: first brackets 101, 201, second brackets 102, 202, water inlets 106, 208, and water outlets 107, 209, in the Between the first bracket 101, 201 and the second bracket 102, 202 are provided a plurality of cooling liquid passages 105, 203 extending from the first bracket 101, 201 to the direction of the second bracket 102, 202, at least One of the cooling liquid passages 105, 203 communicates with the water inlets 106, 208, at least one of the cooling liquid passages 105, 203 communicates with the water outlets 107, 209, and the first bracket 101, 201 is provided with The first bracket communicating with the cooling liquid channels 105, 203 communicates with the liquid...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a power battery system structure for an electric vehicle, comprising: a first bracket, a second bracket, a water inlet, and a water outlet; The cooling liquid channel extending from the first bracket to the direction of the second bracket, at least one of the cooling liquid channels communicates with the water inlet, and at least one of the cooling liquid channels communicates with the water outlet. A first bracket communicating with the cooling liquid channel is provided, and a second bracket communicating with the cooling liquid channel is provided in the second bracket; the first bracket communicates with the liquid channel and / or the second bracket is provided with a deflector in the communication channel, and the deflector is provided with a guide hole. The invention improves the uniformity of cooling inside each flow channel, improves the temperature uniformity of the battery module, and prolongs the service life of the battery system.
Description
technical field [0001] The invention relates to the technical field related to electric vehicles, in particular to a power battery system structure for electric vehicles. Background technique [0002] There are currently electric vehicles with battery pack temperature control systems in the market, which generally have a separate design of water-cooling pipelines or water-cooling plates to cool the battery. [0003] The existing water-cooled plate is provided with a plurality of parallel flow channels. However, no matter where the water inlet and outlet are arranged, the flow velocity and flow rate of each flow channel will be different due to the distance from the water inlet and outlet. Therefore, the cooling inside each flow channel will also have large differences due to the uneven flow velocity and flow distribution, which will affect the heat exchange effect between the flow channel and the battery module, resulting in poor temperature uniformity of the battery module ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/613H01M10/617H01M10/625H01M10/6556H01M10/6568
CPCY02E60/10
Inventor 禹强陈尚云蒋治
Owner DONGFENG MOTOR CO LTD