Electric Snowmobile Battery Layout for Range and Weight Balance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electric snowmobiles face challenges such as limited space for batteries, weight distribution issues, and the lack of noise indication when the vehicle is idling, which can confuse drivers and complicate operations like reversing and braking.
Innovation Solution
The design includes a frame with strategically positioned batteries, an electric motor connected to the drive track, and a flexible drive system with adjustable tension, along with a steering column and support structure that allows for efficient space utilization and clear operational indications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If multiple batteries are provided to increase driving range, then the driving range is improved, but the weight and space requirements increase
Solution Approach 1:
The battery system is divided into multiple separate batteries distributed at different locations on the snowmobile (front, center, rear). This segmentation allows the total battery capacity to be increased for extended driving range while distributing the weight to maintain proper weight distribution and avoid sinking into snow.
2Duration of action of moving object
If multiple batteries are provided to increase driving range, then the driving range is improved, but the space requirements increase
Solution Approach 1:
Batteries are positioned in three-dimensional space at different locations (front, center, rear) and at different vertical levels. This spatial distribution utilizes the available volume of the snowmobile frame efficiently, accommodating multiple batteries without requiring excessive horizontal space.
3Use of energy by moving object
If the electric motor is stopped when the vehicle is at rest, then energy consumption is reduced, but the driver cannot hear that the vehicle has been started
Solution Approach 1:
An auxiliary device (such as a horn or light) is introduced as an intermediary to provide start indication to the driver. This auxiliary device consumes minimal energy compared to running the electric motor, yet effectively communicates the vehicle's operational status to the driver.
4Adaptability or versatility
If the electric motor operates in the same manner as an internal combustion engine, then operational consistency is improved, but reversing and braking issues occur
Solution Approach 1:
The control system dynamically adjusts the electric motor's operation based on the specific task. Different control strategies are applied for different operations: standard operation for forward motion, reversed polarity control for reversing, and regenerative braking control for braking. This dynamic adaptation ensures both operational consistency and reliability across different maneuvers.
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
This configuration enhances the driving range, weight distribution, and operational clarity of electric snowmobiles, ensuring efficient propulsion and safe maneuvering while addressing space and noise indication issues.
Implementation Method 1
an electric motor connected to the frame. The electric motor is electrically connected to the first and second batteries. The electric motor is operatively connected to the drive track
Data Source
AI summary
A snowmobile has: a frame including a tunnel and an upper support structure; at least one ski; a handlebar; a steering column operatively connecting the handlebar to the at least one ski; a straddle seat; a drive track; a first battery connected to and disposed on the tunnel; and a second battery connected to the frame and being disposed forward of the first battery, the steering column being disposed at least in part above the second battery. The batteries are disposed: forward of a rear end of the upper support structure, rearward of a front end of the upper support structure, laterally between left and right ends of the upper support structure, and vertically lower than an upper end of the upper support structure. The snowmobile also has an electric motor electrically connected to the batteries and operatively connected to the drive track.