Smart card payment system and method used for paying in food market

Abstract

The invention discloses an intelligent card payment system and a method for payment during shopping in a food market. The system comprises vegetable buying cards (1) of each card holder, cashing machines (2) of each commercial tenant, and a card center (3); the commercial tenants deduct the payment sum in the electronic cash balance stored in the vegetable buying cards (1) of the card holders by the cashing machines (2) when the card holders purchase and pay, then the cashing machines (2) transmit the trade records like the payment sum, the identifying numbers of the vegetable buying cards (1), the identifying numbers of the cashing machines (2) to the card center (3) by a mobile phone network (4), and the card center (3) stores the money of the payment sum to the shop account of the gathering commercial tenants according to the trade records. The invention has the advantage that the card holders not only can use the vegetable buying cards (1) to purchase and pay, but also can hand the vegetable buying cards (1) to servants to buy vegetables in the food market without handing cash to the servants; moreover, the card holders can search the trade records of the vegetable buying cards (1) afterwards, thus being capable of avoiding the servants from embezzling the money for buying the vegetables in secret.

Description

【Technical field】 [0001] The invention relates to the technical field of smart cards, in particular to a smart card payment system and method for payment when shopping in a vegetable market. 【Background technique】 [0002] At present, when people go shopping in the vegetable market, they usually use cash and coins to pay, and the banknotes and coins returned are sometimes very dirty, especially when shopping at some fish vendors, the exchanged banknotes and coins are often Wet and dirty, even with fish blood, etc. When customers receive banknotes and coins that are wet and dirty, if they put them in their wallets, they will stain their wallets, and if they are held in their hands, they will dirty their hands. Embarrassment is a problem that needs to be solved. In addition, in some households that employ servants, the work of buying vegetables and cooking is usually performed by the servants. Generally, the employers give the servants cash in advance to buy vegetables, and t...

AI Technical Summary

Problems solved by technology

[0002] At present, when people go shopping in the vegetable market, they usually use cash and coins to pay, and the banknotes and coins returned are sometimes very dirty, especially when shopping at some fish vendors, the exchanged banknotes and coins are often Wet and dirty, even with fish blood, etc. When customers receive banknotes and coins that are wet and dirty, if they put them in their wallets, they will stain their wallets, and if they are held in their hands, they will dirty their hands. Embarrassment is a problem that needs to be solved

In addition, in some households that employ servants, the work of buying vegetables and cooking is usually performed by the servants. Generally, the employers give the servants cash in advance to buy vegetables, and then the servants use the money to buy vegetables in the vegetable market. Dishonest servants will take advantage of this opportunity to secretly embezzle part of the money for grocery shopping, causing losses to customers. This is an urgent problem to be solved

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