1. introduction
Recently, Qian'an City introduced the IC card intelligent management system, which promoted and applied the IC card intelligent management system in the agricultural machine well irrigation measurement management. The management system has the characteristics of scientific and reasonable management means, simple and flexible operation, strong management function and safe and reliable system. The management mode of paying the land after the first payment is used to effectively solve the problem of difficulty in charging the wells, avoiding electricity disputes, saving labor for meter reading, reducing the cost of watering, and achieving remarkable economic and social benefits. benefit.
2. IC card system
The IC card intelligent irrigation management system applies computer management, smart card technology and single-chip microcomputer automatic control to water conservancy automatic irrigation. Take the user's prepaid water fee and use the card to start the irrigation. Automatic timed billing, irrigation can not be carried out when the prepaid water fee in the card is exhausted or no card is available: At the same time, the water consumption and water use time can be counted, which can provide a basis for the relevant departments to formulate scientific water use planning.
The system consists of a central computer (or dedicated recharge meter) and an agricultural irrigation intelligent controller: the central management system consists of subsystems such as system maintenance, card management, extension management, comprehensive statistics, security encryption, and auxiliary systems. See the IC card intelligent irrigation management system structure diagram for its model.
3. IC card system features
Taking high-performance microcomputer as the core, smart card (non-contact RF card) as data carrier, full surface mount technology, full industrial grade chip design, strong anti-interference measures on software and hardware, ensuring accurate system measurement and operation stable. The system has the characteristics of leading technology, complete functions, convenient installation and convenient use.
3.1 easy to operate, simple
Using the non-contact RF IC card technology, the user closes the IC card to the area of ​​the agricultural irrigation intelligent controller, and the system automatically switches the power to the power. Once again, the system automatically pulls the power off, and the power used by the user is recharged by the administrator. It is recorded in the respective IC card. Whenever it is used, the display shows the power of the IC card. When the power in the IC card is empty, the system automatically pulls the gate, and the user needs to purchase the power again to start the gate.
3.2 Management system is convenient and flexible
Through the management software in the computer, it can complete the comprehensive management of dozens of units and hundreds of agricultural irrigation intelligent controllers. In view of the fact that rural computers are not yet popular, special rechargers are deployed in units of villages or irrigation groups. The recharge meter is cheaper and more convenient to use than a computer, and can be used separately from the computer. Realize the issuance and management of user cards, rate setting and change of different wells, query card issuance records, and issue card statistics. The Water Affairs Bureau has set up a general monitoring center to formulate water fee accounting methods for various types of wells in various towns and towns. Formulate a reasonable price of water so that the interests of managers and the interests of the majority of farmers increase their income and income to a certain extent.
3.3 System is safe and reliable
First, the encryption function The smart card used by the system uses advanced system encryption technology to ensure the security of use, and subsystems can be divided within the system to ensure that users between villages and villages do not cross or collide. The second is the power failure protection function. When the user is in use, if the power is suddenly turned off, the data in the controller (user's time or power consumption) will not be lost. When the call is made, the user can continue to use the third. The low voltage environment uses the pump high pressure manual start to change to the farmer. The card low-pressure operation agricultural irrigation intelligent controller, the controller can automatically control the water pump with the automatic starter cabinet, and detect the phase loss, under-pressure, over-current, over-pressure and other abnormal operations during the running of the pump. It ensures the safe operation of the pump.
3.4 powerful management
The implementation of water fee pre-payment will not only help the government departments to supervise and control the water price, but also maximize water conservation, establish water-saving awareness, eliminate various disputes in the water use process, reduce the burden on farmers, and close the relationship between the cadres and the masses. The system can count the number of cards issued, the amount of income, etc. and print it into a report: detailed statistics on water use can not only enhance water management, but also provide a basis for scientific water use. The extended function of the system lays the foundation for automatic water-saving irrigation.
3.5 Adaptability and long service life
The agricultural irrigation intelligent controller in the system can control the wells of various powers with the corresponding auxiliary equipment, and the wide voltage design can be realized according to the actual situation of the rural power grid. The 220 380V AC power can still work stably, which has laid a foundation for the promotion of the system. Good foundation: high reliability components, suitable for temperature of 40 ° C 65 ° C, relative humidity <90% time measurement error within 1 s, power error within 0.1 kW · h; and moisture, waterproof, anti- Dust can be reused for a long time and has a service life of more than 100,000 times.
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IC card intelligent irrigation management system structure diagram
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