Electric Bus Battery Packaging for Passenger Space
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The space constraints in electric buses limit the arrangement of batteries, compromising passenger space and comfort.
Innovation Solution
The bus design incorporates a frame assembly with strategically positioned battery packs, including first, second, and third groups, spaced apart to minimize occupancy, allowing for increased passenger space, improved comfort, and enhanced visual comfort for both passengers and the driver.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If battery packs are arranged within the carriage space, then the bus can carry sufficient power, but the passenger space is reduced and comfort is compromised
Solution Approach 1:
The patent relocates battery packs from the traditional horizontal arrangement within the carriage to vertical arrangements on the roof and rear frame, utilizing three-dimensional space more effectively. This dimensional transition allows the battery packs to be positioned outside the main passenger compartment, thereby preserving passenger space while maintaining adequate power capacity.
Solution Approach 2:
The patent extracts battery packs from the internal carriage space and positions them in external locations such as the roof and rear frame. This separation removes the conflicting element (battery packs) from the passenger area, resolving the space conflict while preserving the functional requirement for power supply.
2Use of energy by moving object
If battery packs are arranged within the carriage space, then the bus can carry sufficient power, but passenger comfort and visual comfort are reduced
Solution Approach 1:
By moving battery packs to the roof and rear frame, the patent eliminates visual obstructions and physical constraints within the passenger compartment. This spatial reconfiguration improves passenger comfort and visual comfort while maintaining the required power capacity through external battery placement.
Solution Approach 2:
The extraction of battery packs from the carriage interior removes sources of discomfort such as restricted movement, poor ventilation, and visual clutter, thereby improving overall passenger comfort while preserving power capacity through external positioning.
3Use of energy by moving object
If more space is allocated to battery packs, then power capacity is improved, but the number of seats and carrying capacity are reduced
Solution Approach 1:
The patent utilizes the vertical dimension by placing battery packs on the roof and rear frame, thereby increasing power capacity without encroaching on the horizontal space required for seating. This three-dimensional space utilization allows both power capacity and carrying capacity to be maximized simultaneously.
Solution Approach 2:
The patent segments the bus structure into distinct functional zones: the carriage interior for passenger seating and the external structures (roof, rear frame) for battery placement. This segmentation allows independent optimization of both carrying capacity and power capacity without compromise.
Data Source
AI summary
A bus is provided, including: a frame assembly including a front frame, a rear frame and a hinge turntable therebetween; carriages including a front carriage having a front carriage body and a front carriage floor, and a rear carriage having a rear carriage body and a rear carriage floor; a front axle and a middle axle disposed at a bottom of the front frame; a rear axle disposed at a bottom of the rear frame; a first group of battery packs including a first battery pack disposed within a rear cabin in the rear of the rear carriage body and a second battery pack disposed on the rear frame; a second group of battery packs disposed on upper surfaces of top roof of the front and rear carriage bodies; a third group of battery packs disposed on the front carriage floor and between the front axle and the hinge turntable.