Cosmetic Material Dispenser With Load-Sensing Pusher Control
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Solution Overview
Problem
Existing cosmetic material dispensers face challenges in precisely discharging cosmetic materials to a target amount, taking too long to discharge, and inaccurately determining the remaining amount in cartridges.
Innovation Solution
A cosmetic material dispenser with sensors to detect load and weight, controlling the pusher's speed based on load changes to achieve precise discharge, and accurately calculate remaining material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the pusher rises at a constant high speed to discharge cosmetic material quickly, then the discharge time is reduced, but the discharge amount cannot be precisely controlled
Solution Approach 1:
The pusher's rising speed is dynamically adjusted based on real-time load sensor feedback. The controller changes the rising speed from fast to slow when the load reaches a threshold, enabling both quick discharge and precise control of the discharge amount.
Solution Approach 2:
A load sensor is installed in the pusher to detect the cosmetic material load in real-time, and this feedback is used by the controller to adjust the pusher's rising speed, ensuring precise discharge amount control while maintaining efficient discharge time.
2Manufacturing precision
If the pusher rises at a slow speed to precisely control discharge amount, then the discharge precision is improved, but the discharge time increases
Solution Approach 1:
The system uses dynamic speed adjustment where the pusher rises at high speed initially for quick discharge, then automatically switches to slow speed when the load sensor detects the threshold, achieving both precision and efficiency.
Solution Approach 2:
The discharge process continues without interruption by seamlessly transitioning from fast to slow rising speed, maintaining continuous cosmetic material discharge while achieving precise amount control through speed modulation rather than stopping.
3Device complexity
If the dispenser uses a simple discharge mechanism without sensors, then the device complexity is reduced, but the remaining amount of cosmetic material cannot be accurately calculated
Solution Approach 1:
The load sensor in the pusher automatically provides feedback on cosmetic material remaining amount, and the controller uses this self-provided information to calculate and display the remaining amount without requiring additional separate measurement systems.
Solution Approach 2:
The load sensor acts as an intermediary that converts the physical state of cosmetic material in the cartridge into measurable electrical signals, enabling accurate remaining amount calculation without direct visual or manual measurement.
4Speed
If the pusher rises at very high speed, then the discharge speed is maximized, but the pusher cannot accurately detect when the head is pressurized
Solution Approach 1:
The load sensor provides real-time feedback on the pusher's contact state with the cartridge head, allowing the controller to accurately detect pressurization even during high-speed operation by continuously monitoring load changes.
Solution Approach 2:
The mechanical detection of head pressurization is replaced with an electrical load sensor that measures force, enabling more precise and reliable detection during high-speed pusher movement by converting mechanical contact into electrical signals.
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
Ensures accurate discharge to the target amount, minimizes discharge time, and accurately determines the remaining material in cartridges, reducing errors and improving user convenience.
Implementation Method 1
a first sensor configured to detect a magnitude of a load when the head is pressed, and the first sensor is installed in the pusher
Implementation Method 2
a second sensor configured to detect a weight of the cosmetic material discharged from the cartridge, and the second sensor is installed below a receiving body where the container receiving the discharged cosmetic material is placed
Implementation Method 3
a pusher for pressurizing the head of one of the plurality of cartridges
Data Source
AI summary
A cosmetic dispenser according to an embodiment of the present disclosure may include: a plurality of cartridges accommodating a cosmetic therein and having a head to which pressure is applied to discharge the cosmetic; a pusher for pressing the head of any one cartridge among the plurality of cartridges; a controller for lifting or lowering the pusher; and a first sensor for detecting the magnitude of a load when the head is pressed, wherein the first sensor is installed to the pusher.