With the continuous development of IC card technology applications, especially the development of readable and writable non-contact IC card technology, the scope of the card application has expanded to a wider field of weak electricity. However, the pursuit of new technologies and the realization of the concept of the card will not bring success to the actual application, but will result in waste of funds and instability of the entire system. This paper describes the rationality of the design of the card system in practical engineering applications with the design of the smart card system of the weak current system of a tourist resort.
A tourist resort in China, covering an area of ​​over 100,000 square meters. The interior includes: theme parks, hotels, holiday villas, car rentals, and other travel services, including integrated wiring systems, computer network systems, database management systems, satellite and cable TV systems, security systems, hotel management systems, and intelligence. Door lock system, parking lot management system, smart card consumption management system, etc. As the various fee management systems of the tourist resort, the ideal one is the one-card system. The card has:
Hotel door lock key function; (2) in-house entertainment consumption function; (3) key function of holiday villa; (4) car rental, chartering fee function; (5) payment function of various consumption in theme park; 6) Parking lot entry and exit and payment functions. There is no need to bring cash and metal keys to the entire resort. All traffic and consumption are realized by cards. The implementation of such a card system may have certain difficulties in the past few years, but it is achievable under the current technical conditions of the IC card. Whether the current one-card technology engineering practice in tourist resorts is appropriate and necessary, and whether the system after implementation is stable is a must for weak electric design engineers. This is also the possibility and reliability of the entire weak current system project. basis.
Parking lot entry and exit and payment
The development of the parking lot IC management system is also a process from a contact type magnetic card to a contact type IC card to the current non-contact long distance IC card. Since the parking lot is far away (from the driver to the card reader on the card reader in front of the car outside the car), it is inconvenient to use the contact card, and the environment of the card is more than the conditions of the above systems. Poor, so the demand for long-distance non-contact IC is the strongest. According to this basic requirement, the system is suitable for non-contact read-only medium and long distance IC systems and related parking management software.
Entertainment consumption within the hotel
In-house entertainment consumption requires the use of an IC card instead of a cash payment. After reading the IC card of the guest through the consumer card reader in the hotel, after checking the validity of the card, the amount of the card in the database is deducted through the database in the background to realize the consumption of the card payment form. In this way, there are basically two modes of credit card consumption. First, the consumer or consumer workstations that are swiped by the card are deducted through the network to the back-end SQL database, and the same amount of data (read-write card) in the IC card is also performed. Deduction (first perform the operation of deducting the IC card, if the data of the background database can be left in the consumer machine and the consumer workstation in the field when the network is busy, and then sent to the server database). Second, when the card is consumed, the consumer workstation does not change the content of the IC card (read-only card), but checks the validity of the card through the network, and then deducts the amount consumed from the background database.
The first scheme in management is more reasonable, corresponding to the IC card technology that can be read and written, and the second scheme corresponds to the IC card technology of the read-only card. However, the hotel entertainment consumption management software applied by the contact IC card is mature and stable than the contactless IC hotel management software because of its long application time. For the resort's hotel consumption, from the point of view of actual demand, all contact-type IC card swipe consumption systems can meet the needs.
Chartering, car rental, various consumption of theme parks
Renting, renting a car, and all kinds of consumption in theme parks are all using IC cards to spend cash on the consumer or consumer workstations away from the back-end servers. The consumer terminals of these consumer points are remote from the SQL database of the back-end central server and connect and exchange data over a long-distance bus or computer network. Due to the distance and the network, the real-time background data exchange has higher requirements on the network. Therefore, in the application of the IC card, the credit card is used to deduct the amount in the card and simultaneously on the consumer machine and the consumer workstation or (POS). The data stored on the consumer workstation, the data exchange between the SQL database and the consumer workstation in the background of the computer network can be asynchronously performed according to the idle gap of the network. For such long-distance card consumption, there are many technical applications of non-contact IC cards that can be read and written, and contact-type readable and writable IC cards have had some applications in the past few years, due to the development of non-contact IC cards. Lost the market, so the related equipment is rarely produced by manufacturers. Due to the long-distance data communication problem, the read-only IC card must be contacted with the back-end SQL database to confirm the consumption, so there will be a possibility for the guest to wait (this is not the same in the hotel, can not be settled immediately after swiping the card) Wait for the waiter to send it back.
In the resort's chartering, car rental, theme park, all kinds of consumption is to be delivered in real time, otherwise let the people behind wait.) Therefore, according to such requirements, the system is suitable for use with a contactless readable and writable IC card system and related consumer management software.
System Requirements Analysis
The basic demand for a card as a tourist resort is the six items mentioned above. However, whether to use the system and one card to go through the whole village system solution for these projects depends on the actual needs of each system, the technical level of the mainstream equipment of each system, and the network related technology of each system (for the application of the card) Depending on the network connection of each system). The specific analysis is as follows: the key to the door of the hotel room and holiday villa and the key to the door of the holiday villa, you need to use the IC card instead of the metal key. The lock to be opened is set by the card issuing system of the IC card, and the effective use time (according to the payment of the guest and the predetermined number of days). The unlocked data can be automatically recorded in the memory inside the lock, and there is no need to know the opening and closing of the door lock in real time online. It is only necessary to read the data in the lock by a relatively simple method, such as a handheld collector or a portable machine. RS232 interface, etc. These features are sufficient for the actual hotel door lock management. Online real-time monitoring of the door lock situation (open, closed) and which card enters the real-time data of the record, (the hotel's door lock has only one or two IC card entry, no access control system multi-card into the single door Situation) At the same time, the data is backed up to the backend database. The concept and function of these modern online access control is not necessary in the management of the keys to hotels and villa doors.
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