The smart canteen integrates the Internet technologies such as mobile Internet, Internet of Things, big data mining and cloud computing with the college catering industry, and promotes the development of students' food and beverage consumption in the food processing and food supply chain of the canteen, and accelerates the development of the catering industry in the university. The innovation ability of the catering industry in colleges and universities will build new advantages and new kinetic energy for the future development of the catering industry. The smart canteen system uses student selection as a demand driver to combine the user experience of the canteen, purchasing department, supplier, and regulator, as well as the characteristics of the catering industry to achieve precise management and real-time tracking and mobilization; emphasizing non-critical processes Give more flexible authorization, especially to the grassroots front-line employees to make more micro-decision rights, let the people who know the problem the most to make decisions.
The Smart Canteen is a large-scale system integration project. Each function has different cost control, reliability, real-time and security requirements. Each functional service object is distributed in various public areas. According to the different functions, we divide the project design into different subsystems for classification control. By adopting the system's functional classification, hierarchical and step-by-step integration ideas, careful design and planning, starting from the catering characteristics and actual needs of the entire campus, designing system integration content from the perspectives of technology, economy, operation and service, and improving the campus Monitor management efficiency to achieve management data, improve and improve the environment for teachers and students to eat.
Wisdom canteen overall design
Canteen procurement plan
In the module, the Purchasing and Supply Department submits the delivery order to the supplier. The Purchasing and Supply Department can know the delivery status of the delivery order in time, and use the “delivery order inquiry†under the module to view the real-time in the mobile terminal. Different user rights are used for data confirmation such as delivery, acceptance, and warehousing. Data collection can use one-dimensional bar code, two-dimensional bar code, radio frequency card and other technologies to facilitate accurate and fast entry and query.
Raw material management
In order to strengthen the supervision and management of food quality and safety, effectively control the operating costs, the acceptance of the canteen raw materials, the purchase of canteen food and the establishment of a ledger system, electronic information management of canteen food raw materials, to achieve traceability of raw materials.
Food management
Digitize and informatize the identification and management of each dish in the cafeteria, using a dish, one yard and one logo system. The dish ID is multi-written and initialized using a dish with a chip.
Smart settlement management
The smart settlement module is mainly composed of two parts: a smart dinner plate and a smart self-checkout station. Unlike ordinary melamine tableware, RFID radio frequency chips are embedded in the bottom of each tableware for the wisdom plate. However, its daily use, cleaning and disinfection are still the same as ordinary melamine tableware, and have passed. Endurance test for high temperature, cleaning and collision. The smart settlement counter adopts an integrated design, which integrates multiple devices such as radio frequency reading and writing device, card reader and display screen, which can realize rapid batch identification (up to 15) of tableware entering the settlement area. The customer self-checks and brushes. The campus card is authenticated and paid, and the settlement speed can reach 2 seconds and 1 single, completely eliminating the need for manual intervention, which greatly improves the settlement efficiency and alleviates the problem of settlement queuing congestion.
Campus card automatic settlement
The campus card card settlement mode is adopted to realize the unattended automatic campus card settlement function.
WeChat data push
Scientific nutrition analysis is provided for each meal of each teacher and student, and nutrition analysis data is pushed through WeChat to give dietary and exercise advice.
Cost accounting
Cost calculation from input raw material to output food, and input the corresponding statistical analysis results to provide quantitative decision guidance for managers.
Wisdom canteen project results and display
Through the collection of dining data, the dining content and nutrients of the diners can be obtained in time, and the nutrition data push and suggestion services can be realized according to the personalization settings of the mobile phone WeChat client. As shown in Figure 1, we can get the total energy intake, whether it exceeds the standard, the next step of energy supplement or consumption advice, and dietary nutrition recommendations.
This paper proposes the application and data push service based on campus card smart canteen, based on campus card, raw food data center, WeChat, nutrition analysis data push, using smart plate, relying on the versatility, stability and reliability of campus card media, effective It solves a systemic problem such as high labor cost, low efficiency, and zero nutrition data. It has high efficiency, centralized data management, effective management of nutrition data, raw material data, and food data, and based on this data mining, to improve effective decision support. At the same time, it also lays a solid foundation for the construction of a smart campus. However, the specific impact and implementation of the application need to be tested.
(The author is Zhejiang University Book and Information Center)
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