Reducer Housing Water Cooling Structure With S-Shaped Flow Path
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Solution Overview
Problem
Current air-cooled reducer assemblies for new energy vehicles suffer from poor heat dissipation, leading to high operating temperatures and premature component failure due to inefficient cooling, which does not meet the design requirements for high-speed applications.
Innovation Solution
A water cooling structure integrated with the reducer housing, featuring a chamber with a water path, interdigitating baffles, and wavy heat dissipation ribs, which enhances heat exchange efficiency by flowing cooling fluid through multi-stage heat dissipation columns and baffles, increasing the heat dissipation contact area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If air cooling is used for the reducer assembly, then the structure is simple, but the cooling effect is poor and heat cannot be dissipated in time
Solution Approach 1:
The patent applies hydraulic cooling by introducing a water cooling device with water channels into the reducer housing. Cooling water flows through these channels to directly remove heat from the gear components, transforming from air cooling to liquid cooling for effective heat dissipation under high-speed operating conditions
Solution Approach 2:
The water cooling device is integrated with the reducer housing into a unified structure. The cooling channels are formed within the housing itself, merging the cooling function with the structural housing to reduce overall system complexity while improving cooling efficiency
2Temperature
If water cooling device is added to improve cooling effect, then heat dissipation improves, but the number of parts increases and structure becomes complicated
Solution Approach 1:
The water cooling device is merged with the reducer housing into an integrated structure where the cooling channels are formed within the housing itself. This integration reduces the number of separate parts while maintaining effective water cooling functionality
Solution Approach 2:
The reducer housing serves dual functions: it provides the structural enclosure for the gear components and simultaneously acts as the water cooling device with integrated cooling channels. This multi-functionality eliminates the need for a separate cooling device, reducing part count while improving cooling efficiency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated water cooling structure effectively reduces the operating temperature of the reducer assembly, improving its reliability and longevity by enhancing heat dissipation, thus meeting the demands of high-speed vehicle operations.
Implementation Method 1
The cooling fluid flows in from the water inlet, passes through the multi-stage heat dissipation columns and baffles, and fully exchanges heat through the surface of the heat dissipation columns
Implementation Method 2
wavy heat dissipation ribs are provided at the bottom of the water path. The cooling fluid flows in from the water inlet, passes through the multi-stage heat dissipation columns and baffles, and fully exchanges heat through the surface of the heat dissipation columns. Moreover, the wavy heat dissipation ribs increase the heat dissipation contact area, further improve the cooling efficiency
Data Source
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AI summary
A water cooling structure of a reducer and a reducer assembly are disclosed. The water cooling structure comprises a chamber formed by a reducer housing and a cover plate, and the cover plate is fixedly connected to the chamber. The chamber is provided with a water inlet (1) and a water outlet (2) respectively. The chamber is also provided with one or several partition plates (6) on two opposite side walls. The partition plates (6) are arranged in an interdigitating manner and each of the partition plates (6) is connected with only one side wall of the chamber, and there is a gap between the partition plates (6) and the opposite other side wall of the chamber, so as to form an S-shaped water path. The water inlet (1) and water outlet (2) are respectively disposed at both ends of the water path. A plurality of baffles (4) are further vertically provided on the partition plates (6) and side walls of the chamber that are parallel to the partition plates (6), and the baffles (4) are arranged in an interdigitating manner. The water cooling structure disclosed in the present disclosure is integrated with the reducer housing into one part, and thus has a simple structure, saves space and is convenient to arrange on the vehicle. Moreover, the cooling efficiency is further improved by the above special structure.