Hedge Clipper Operation Display Panel Merging
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Solution Overview
Problem
Portable tools with electric motor-driven tip tools face operability issues due to large operation display panels necessitating multiple switches and display units, leading to increased size and manufacturing costs.
Innovation Solution
A single driving information display unit and operation switch unit that switches display content based on operation status, such as time or number of operations, allowing multiple information types to be displayed using a reduced panel size, enhancing visibility and operability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple switches and display units are separately provided on the operation display panel to display different driving information, then the display functionality is improved, but the operation display panel size is enlarged and operability deteriorates
Solution Approach 1:
The patent combines multiple display units and switches into a single integrated operation display panel. The control unit integrates control over multiple display elements (LEDs, LCD segments) and responds to a single switch input to display various driving information including battery capacity, motor speed, and operational status. This merging approach maintains comprehensive display functionality while reducing the physical size and improving operability.
Solution Approach 2:
The operation display panel is designed as a multi-functional unit that can display various types of driving information (battery remaining capacity, motor speed, operational status) using a single display structure and switch. The control unit dynamically configures the display content based on the switch state and available information, making the panel universal for multiple display purposes without requiring separate dedicated displays for each function.
2Adaptability or versatility
If multiple switches and display units are separately provided on the operation display panel, then the display functionality is improved, but the number of component parts is increased and manufacturing cost is increased
Solution Approach 1:
The patent merges multiple separate components (individual display units for battery capacity, motor speed, and operational status, along with multiple switches) into a single integrated operation display panel with a unified control unit. This consolidation reduces the total number of component parts, simplifies the bill of materials, and lowers manufacturing costs while maintaining the ability to display all necessary driving information.
Solution Approach 2:
The control unit is designed as a universal controller that manages multiple display functions through a single interface. It can display battery remaining capacity, motor speed, and operational status information using the same hardware resources, eliminating the need for separate dedicated display circuits and control logic for each function, thereby reducing manufacturing complexity and cost.
3Adaptability or versatility
If the operation display panel is enlarged to accommodate multiple switches and display units, then the display functionality is improved, but the visibility of specific information is reduced
Solution Approach 1:
The patent combines multiple display elements into a single compact operation display panel where all driving information (battery capacity, motor speed, operational status) is displayed in close proximity. The integrated design ensures that all information is within a single field of view, maintaining high visibility without requiring the panel to be enlarged. The control unit manages the display content to ensure clear presentation of each information type.
Data Source
AI summary
A casing of a hedge clipper which is a portable tool is provided with a power source housing in which an electric motor is housed and a main handle held by a worker, and blades serving as a tip tool are provided to the casing. An operation display panel is provided on the main handle, and a driving information display unit which displays a battery remaining capacity and a rotation speed of an electric motor as a plurality of pieces of driving information is provided on the operation display panel. The selection of the information to be displayed is switched by the operation of an operation switch unit provided in the operation display panel.