Smart Handle with Display for Vending Cabinet Access
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Solution Overview
Problem
Existing vending machines do not allow consumers to physically select products, leading to potential errors in choosing the correct item, and they are inconvenient for purchasing multiple items at once, as they require repeated steps for each product.
Innovation Solution
A product vending system with a handle that includes a digital display, payment processing unit, and control unit, allowing consumers to unlock a cabinet door to select products, display product information, and complete purchases efficiently, which can be retrofitted onto existing cabinets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional vending machines are used, then automated product dispensing is achieved, but consumers cannot physically inspect products before purchase
Solution Approach 1:
The system separates the product storage function (cabinet) from the control function (handle mounted on door), allowing consumers to physically access and inspect products while the handle manages payment and unlocking. This segmentation resolves the contradiction by enabling product inspection without requiring a complete redesign of the vending machine structure.
Solution Approach 2:
The system allows consumers to self-inspect products by opening the cabinet door after payment, eliminating the need for automated product presentation mechanisms. The consumer serves themselves by selecting and taking products directly from the open cabinet, improving selection accuracy without adding complex automated dispensing systems.
2Productivity
If traditional vending machines require repeated steps for each product, then automated control is maintained, but purchasing multiple items becomes inconvenient
Solution Approach 1:
The system performs preliminary payment processing and door unlocking before the consumer selects products. Once the door is unlocked, the consumer can efficiently select multiple items without repeating payment steps, as the system has already authorized the transaction. This preliminary action significantly improves purchase efficiency for multiple items.
Solution Approach 2:
The payment and unlocking process continues seamlessly to allow uninterrupted product selection. The system maintains the unlocked state throughout the product selection period, enabling continuous action of selecting multiple items without requiring repeated authentication or payment steps, thereby improving productivity.
3Adaptability or versatility
If a handle with payment processing unit is mounted on the cabinet door, then product inspection is enabled, but the device complexity increases
Solution Approach 1:
The handle is designed as a universal multi-functional unit that integrates payment processing, biometric authentication, and door lock control into a single component. This universality allows the same handle design to be retrofitted onto different cabinet types without requiring custom integration for each application, reducing overall system complexity despite adding functionality.
Solution Approach 2:
The patent combines payment processing unit, display, and lock control into a single integrated handle assembly mounted on the cabinet door. By merging these functions into one unit rather than separate components, the system reduces the number of individual parts and integration points, making retrofitting easier while maintaining versatility.
Data Source
AI summary
A handle for a product vending system includes a housing configured to be secured to a door of a product storage cabinet having a lock. The handle includes a display arranged on the housing, that is configured to show product information. A payment processing unit is arranged on the housing and is configured to detect or receive a payment. A control unit is configured to communicate with the lock of the product storage cabinet, such that when the payment is detected by the payment processing unit, the control unit is configured to unlock the lock of the product storage cabinet so as to provide access to a product stored in the product storage cabinet.