Locker-Based Commodity Sales With Single-Ticket Multi-Box Unlocking
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Solution Overview
Problem
Existing non-face-to-face sales systems require users to open locker boxes each time a commodity is selected, making it cumbersome when purchasing multiple items.
Innovation Solution
A commodity sales system with a locker device and ticket issuing device that allows users to designate multiple purchases, issue a single purchase ticket with unlocking information, and unlock multiple locker boxes using a reader, simplifying the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the door of the locker box is opened each time money is deposited and a commodity is selected, then the user can take out the commodity to be purchased from the locker box, but the user needs to take out the commodity each time which is very troublesome when purchasing a plurality of commodities at once
Solution Approach 1:
The system performs preliminary action by opening the locker box door in advance after payment is received, before the user needs to take out the commodity. The controller opens the door based on payment information, allowing the user to immediately access and retrieve multiple commodities without repeated door-opening operations. This resolves the contradiction by preparing the locker box state ahead of time for efficient commodity retrieval.
2Productivity
If the door is opened each time money is deposited and a commodity is selected, then the locker box can be accessed, but the operation for purchasing multiple commodities becomes troublesome and inefficient
Solution Approach 1:
The system merges multiple commodity retrieval operations into a single locker box opening operation. When a user purchases multiple commodities, the controller opens the locker box door once based on the payment information, and the user can then retrieve all selected commodities from the same open locker box. This combining of operations significantly improves productivity while reducing the complexity of repeated door-opening and closing operations.
3Ease of operation
If a single purchase ticket with unlocking information is issued for multiple commodities, then multiple locker boxes can be unlocked with one ticket, but the system requires a ticket issuing device and reader configuration
Solution Approach 1:
The system introduces a purchase ticket as an intermediary carrier that stores unlocking information for multiple locker boxes. The ticket serves as a mediator between the payment system and the locker boxes, allowing a single ticket to contain multiple unlocking codes or identifiers. This intermediary approach enables one-ticket access to multiple commodities while distributing the system complexity across the ticket storage and reader verification components.
Data Source
AI summary
A commodity sales system includes a locker device, a ticket issuing device, and a controller. The ticket issuing device includes a ticket issuer and an interface configured to accept an input from a user. The locker device includes a locking unit provided for each locker box, and a reader configured to read information. The controller accepts designation of a commodity to be purchased, via the interface, causes the ticket issuer to issue a purchase ticket holding unlocking information for unlocking the locker box in which the designated commodity is stored, in a form that can be read by the reader, and unlocks the locker box based on the unlocking information read from the purchase ticket by the reader.


