Views: 0 Author: luphitouch Publish Time: 2025-12-06 Origin: https://www.luphitouch.com
Interaction design is a core aspect of developing the control panel for coffee machines, requiring comprehensive consideration of multiple dimensions such as user needs, operational logic, feedback mechanisms, and environmental adaptability to enhance user experience and product competitiveness. The following are specific factors that need to be considered along with practical suggestions:
1、User Portrait Segmentation
Novice Users: Simplify the operation process, provide preset modes (such as "American coffee" and "Italian espresso" for one-click selection), and supplement with graphic guidance or voice prompts.
Senior users: Supports custom parameters (such as grind size, water temperature, pre-infusion time) to meet personalized needs (e.g., pour-over enthusiasts adjusting the extraction curve).
Special users: Design for visually impaired users with large font display or voice interaction, and set up a safety lock for children (such as unlocking by long-pressing for 3 seconds).
2、 Adapt to usage scenarios
Home scenario: prioritize convenience, such as scheduling the preparation time remotely via a mobile app or supporting voice control (e.g., "Xiao Ai, make a latte").
Commercial Scenario: Must support multi-user mode (e.g., barista A/B setting independent parameters) and record operation logs (for maintenance or training purposes).
Translation: Mobile scenario: For portable coffee machines, design anti-misoperation buttons (such as double-tap start) or waterproof and dustproof panels (above IP65 level).
High-frequency operations: Place the start/stop, mode switching, and other buttons in the center or prominent position of the panel.
Low-frequency operations: Hide options such as parameter settings and system maintenance in a secondary menu (e.g., enter setup mode by long-pressing for 3 seconds).
Emergency Operation: Set up an independent emergency stop button (red label) that can be operated without unlocking (e.g., to prevent steam splashing).
2、 Simplify the Interaction Hierarchy
Reduce steps: Shorten the operating path through a "multi-functional one-button" design (e.g., long press the button to enter cleaning mode, short press to enter production mode).
Visualize status: Display the current state with a progress bar or percentage (e.g., extraction progress, water tank level) to avoid user guessing.
Fault-proof Design: For critical operations (such as emptying coffee grounds), implement a secondary confirmation (like popping up a "Confirm Empty?" prompt box).
1、 Visual feedback
Indicator light: Distinguishes status with different colors (e.g., green = standby, red = fault, blue = connecting).
Dynamic Effects: Provide visual feedback on the outcome of an action through animation or icon changes (e.g., after clicking "Make," the screen shows a coffee cup filling animation).
Screen display: Adopt a high-contrast design (such as white background with black text), and automatically adjust the brightness in strong light environments (such as outdoor use scenarios).
2、Auditory feedback
Operation Confirmation Sound: A brief beep (such as a "beep" sound) confirms the effectiveness of the key press to avoid repeated operations.
Fault alarm sound: continuous or specific frequency sound prompts abnormality (such as water tank low water, pressure too high).
Voice Interaction: Supports bilingual prompts in Chinese and English (e.g., "Water tank is empty, please refill"), and allows users to customize voice packages.
3、Haptic Feedback
Keystroke feel: Physical keys should have a clear travel distance (e.g., 1.5mm travel + crisp rebound), and touchscreens should simulate button feedback (e.g., using vibration motors to emulate the tactile feel of mechanical buttons).
Temperature Reminder: Set anti-scalding signs for high-temperature areas (such as steam wands), or remind users through material changes (e.g., metal parts changing color when heated).
Visual impairment adaptation
Large Font Mode: Supports font enlargement (such as 200% zoom) and adjusts interface layout to avoid information overlap.
High Contrast Mode: Offers black and white inversion or custom color combinations (e.g., yellow text on a black background) to enhance readability.
Voice Navigation: Control the device using voice commands (e.g., "Adjust the grind coarseness") and receive real-time status updates.
Hearing impairment adaptation
Visual Alert: Use flashing lights or screen blinking instead of audio alarms (e.g., red screen flashing when a fault occurs).
Haptic feedback: Prompt operation results through panel vibrations (e.g., vibrate 3 times when the production is completed).
Physical Disability Adaptation
One-handed operation: Design large buttons (e.g., diameter ≥ 15mm) or use voice control to reduce the need for fine motor skills.
Adjustable Angle: The panel supports tilting or rotating (e.g., adjustable from 0 to 90 degrees) for the convenience of wheelchair users.
Extreme Environment Testing
High Temperature and High Humidity: Test the stability of panels under an environment of 40°C + 85% RH (e.g., whether there is drift in touchscreens).
Low Temperature Environment: Test the sensitivity of buttons at -20°C (e.g., whether silicone rubber buttons become hard and fail to function).
Dustproof and waterproof: Passed the IP65 level test (dustproof + water jet resistance), ensuring reliable use outdoors or in kitchen scenarios.
Durable Design
Key Lifespan: Physical keys must pass a test of over 100,000 presses (such as the knob directional valve in the Chuankun 1858, which has a lifespan of up to 500,000 presses).
Surface wear resistance: Touchscreens must pass the steel wire brush friction test (e.g., no scratches after 500 times of friction with a force of 1000g).
Anti-aging: Plastic panels must pass UV accelerated aging tests (such as no discoloration after 72 hours of ultraviolet exposure).
Localization Adaptation
Language Support: Provides a multilingual interface (e.g., Chinese, English, Japanese, German) and supports dialectal voice recognition .
Cultural Symbols: Incorporating local elements (such as the use of blue and white porcelain texture panels for Chinese models and washi paper texture buttons for Japanese models).
Festival Theme: Update festival skins via OTA (e.g., Spring Festival red theme, Christmas snowflake animation).
Emotionalized Interaction
Personification Design: Enhance approachability with cartoon characters or onomatopoeia (e.g., when the screen displays "Coffee is ready, please enjoy~" upon completion).
Achievement System: Records user usage data (such as "Made 10 cups of coffee this week") and unlocks achievement badges (like "Coffee Master").
Social Sharing: Supports one-click sharing of coffee-making results to social media (such as generating watermarked images or videos).
By systematically considering the above factors, the interactive design of coffee machine panels can achieve a balance between "usability, reliability, and emotionalization," ultimately enhancing user satisfaction and brand loyalty.
