CN201229615Y - IC card handhold water saler - Google Patents

Abstract

The utility model IC card hand-held water vending device comprises a shell, a battery box, an LCD display, a keyboard and an RS232 interface, and an antenna board and a main board are installed inside. The antenna board is installed on the inner side of the card swiping sensing area on the casing. The main board is provided with a main controller, a display driving circuit, a storage circuit, a clock circuit, an IC card processing circuit, a keyboard circuit and a communication interface circuit, and each circuit is connected with the main controller respectively. The main controller performs human-computer interaction through the keyboard circuit, and performs information interaction with the user's IC card through the IC card processing circuit. The output information of the main controller is connected to the LCD display through the display driving circuit and to the storage circuit. The utility model has the advantages of the IC card hand-held water vending device: instead of the original computer water selling method, it can directly recharge and manage historical records for IC card users. Low cost, high efficiency, easy to popularize and use on a large scale.

Description

IC card handheld water vending machine

technical field

The utility model relates to a control device, in particular to an IC card hand-held water vending device.

Background technique

With the rapid development of my country's economy and the acceleration of urbanization, water shortages have appeared in large and medium-sized cities, and now thousands of households have been advocating water conservation. According to statistics, almost all cities have adopted the IC card prepaid water consumption, IC card intelligent metering system is a relatively advanced water control and metering equipment in China at present. The system host is installed in the urban water resources management office, which has the functions of card reading, writing, data statistics, information processing, printing reports, etc. The system extension is installed at the site of water intake and water users to monitor the water consumption of water users in real time. At present, my country adopts the IC card prepaid water meter measurement method. However, when users go to the local water management department to recharge and purchase water, they must have the help of a computer to complete the recharge, which cannot be convenient, fast and efficient. It is an urgent need for many users to replace the original computer water sales method with new control equipment in charging.

Utility model content

The purpose of this utility model is to overcome the defects existing in the existing technology, to provide a water sales method that can replace the computer, and directly recharge and manage data for IC card users. The IC card hand-held water vending machine used.

In order to achieve the above-mentioned purpose, the IC card hand-held water vending device provided by the utility model includes a casing, the casing is provided with a battery box with a cover, a keyboard and an LCD display, the casing is provided with a card swiping induction area, and the casing is equipped with An antenna board and a main board, the antenna board is installed on the inside of the card swiping induction area, the main board is provided with a main controller, a display drive circuit, a storage circuit, a clock circuit, an IC card processing circuit and a keyboard circuit, and the display drive circuit, storage circuit, clock circuit, IC card processing circuit and keyboard circuit are respectively connected with the main controller, the main controller performs human-computer interaction through the keyboard circuit, and the main controller through the IC card processing circuit For information interaction with the user's IC card, the output information of the main controller is connected to the LCD display through the display driving circuit, and then to the storage circuit.

The utility model is an IC card hand-held water vending device, wherein the main controller is composed of a chip of the model MSP430F149, the display driver circuit is composed of an LCD driver chip of the model RA8835 or SED1335, and the storage circuit is formed of a model AT45DB161D It is composed of chips, the clock circuit is composed of a chip with a model number of PCF8563, and the IC card processing circuit is composed of a module with a model number of M101LV3.

The utility model has an IC card hand-held water vending device, wherein the main controller is connected with a communication interface circuit for interacting with a PC, and the communication interface circuit is an RS232 interface, which is composed of a PAX3223 chip.

The utility model is an IC card hand-held water vending device, wherein the keyboard adopts a 4*4 matrix keyboard.

The utility model is a handheld water vending device with an IC card, wherein the casing is provided with an external 12V power supply interface.

The advantages and beneficial effects of the utility model IC card hand-held water vending device are:

1. Instead of the original way of selling water by computer, it can directly recharge IC card users and manage historical records accurately.

2. The structure is exquisite, easy to carry, can be powered by battery or external power supply, easy to use, low cost and high efficiency.

3. The operation is simple, and it is convenient to promote and use on a large scale.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the block diagram of the utility model IC card hand-held water vending device;

Fig. 2 is the circuit schematic diagram of main controller;

Fig. 3 is a schematic diagram of a display driving circuit;

Fig. 4 is the schematic diagram of memory circuit;

Fig. 5 is the schematic diagram of clock circuit;

Fig. 6 is the schematic diagram of IC card processing circuit;

Fig. 7 is the schematic diagram of keyboard circuit;

Fig. 8 is a schematic diagram of the communication interface circuit;

Fig. 9 is a schematic diagram of the appearance of the IC card hand-held water vending device of the present invention.

Detailed ways

Referring to Fig. 9, it is the appearance of the IC card hand-held water vending device of the present utility model, which includes a shell 9, which is provided with a battery box 11 with a cover, a keyboard 16, an LCD display 20, an RS232 interface 18 and an external 12V power supply interface 10 . The shell 9 is also provided with a card swiping induction area 12 . The keyboard 16 includes an on/off key, a system program reset key, a menu return and entry key, a menu up, down, left, and right movement key, 10 numeric keys of 0-9, and a decimal point and a delete key. There are also 3 spare independent buttons. The screen above the casing 9 is an LCD display 20, the uppermost interface is an RS232 interface 18, and the lowermost one is an external 12V power supply interface 10. The upper part of the back of the product is the card swiping induction area 12 of the IC card, and the lower part is the battery box 11 .

An antenna board and a main board are housed in the housing 9 . The antenna board is installed inside the card swiping sensing area 12 . Referring to Fig. 1, a main controller 1, a display driver circuit 2, a storage circuit 3, a clock circuit 4, an IC card processing circuit 5, a keyboard circuit 6 and a communication interface circuit 7 are installed on the main board. Display driving circuit 2, storage circuit 3, clock circuit 4, IC card processing circuit 5, keyboard circuit 6 and communication interface circuit 7 are respectively connected with main controller 1.

Referring to Fig. 2, the main controller 1 is the control center of the whole instrument. The main controller 1 is composed of a chip modeled as MSP430F149, and has a storage circuit composed of an AT45DB161D memory chip. The storage circuit stores historical data and information that the entire system needs to save. The AT45DB161D memory chip has the characteristics of large capacity and SPI interface. The main controller 1 and the storage circuit 3 use the SPI interface for data communication.

Display driver circuit 2 uses RA8835 or SED1335 as the driver chip. The use of RA8835 chip can be fully compatible with SED1335, which was widely used in the past, and the application is relatively simple. Referring to Fig. 3, the IC card hand-held water vending device of the present utility model is composed of a chip of model RA8835. The LCD monitor adopts 160*160 monochrome LCD, and LT1615 is used to drive LCD backlight voltage regulation, and the display effect is very good. The output information of the main controller 1 is connected to the LCD display through the display driving circuit 2 and to the storage circuit 3 . In order to provide accurate time for the system, an external clock circuit 4 is used. The clock circuit 4 is composed of a PCF8563 chip, which is stable, has low operating voltage, and is easy to operate. The main controller 1 and the clock circuit 4 use the I2C interface for data communication. The IC card processing circuit 5 is a bridge for communication between the user's IC card and the main controller 1. The IC card processing circuit 5 is composed of a model M101LV3 module. The main controller 1 and the IC card processing circuit 5 use RS232 serial ports for communication. Reading and writing of information. The communication interface circuit 7 is composed of a chip with the model number PAX3223. The keyboard circuit 6 adopts a 4*4 matrix keyboard connection method and is connected with 8 I/Os of the main controller 1 for manual input. The communication interface circuit 7 is connected with the main controller 1 through a serial port.

The working voltage of the whole system of the IC card hand-held water vending device of the utility model is 3.3V. Since two 1.5V batteries are used for power supply, MAX1724 is used to boost the voltage to reach 3.3V to meet the power supply of the system. In addition, there is an external 12V DC power supply.

The specific connection of each circuit will be further explained according to the schematic diagram below.

See Figure 3 and Figure 2, P4.0, P4.1, P4.2, P4.3, P4.4, P4.5, P4.6, P4.7, L_AO, L_CS, L_RES, Each pin of V20_C, L_RD, L_WR, EL_C is connected with pins 36, 37, 38, 39, 40, 41, 42, 43, 48, 47, 25, 61, 51, 50, 49 of the main controller 1 respectively.

4 and 2, SIMO0, SOMI0, UCLK0, F_RST, STE0, and F_WP terminals of the storage circuit 3 are respectively connected to pins 29, 30, 31, 60, 28, and 59 of the main controller 1 in sequence.

Referring to FIG. 5 and FIG. 2 , the C_SCL and C_SDA pins of the clock circuit 4 are respectively connected to pins 27 and 26 of the main controller 1 .

6 and 2, the "TXD1" and "RXD1" terminals of the IC card processing circuit 5 are respectively connected to pins 34 and 35 of the main controller 1 in sequence. "IC OUTA" and "IC OUTB" are respectively connected to pins 24 and 46 of the main controller 1 in turn. The "TX1" and "TX2" ends of the IC card processing circuit 5 are connected to the antenna.

Referring to Figure 7 and Figure 2, P1.0, P1.1, P1.2, P1.3, P1.4, P1.5, P1.6, P1.7, P2.0, and F3 terminals of keyboard circuit 6 They are respectively connected to pins 12, 13, 14, 15, 16, 17, 18, 19, 20, and 21 of the main controller 1 in turn.

Referring to FIG. 8 and FIG. 2 , the pins P2.5, P2.6, P2.7, TXD0 and RXD0 of the communication interface circuit 7 are respectively connected to the pins 25, 26, 27, 32, and 33 of the main controller 1 in turn.

Using the IC card hand-held water vending device of the utility model, its working process is as follows: when the balance in the IC card water user's card is insufficient, the device can be used to recharge. Bring the IC card of the water user close to the card swiping sensing area. After the system is turned on, manual input is performed through the keyboard, and the main controller 1 communicates with the IC card processing circuit 5 to complete the data reading and writing of the card. When the instrument enters the state of recharging the user, it first reads the information in the user card, and the main controller 1 displays the information through the display driver circuit 2 . When reading and writing the card, the IC card processing circuit 5 enters the working state, automatically searches for the card, conducts induction through the antenna, and transmits electromagnetic waves with a frequency of 13.56MHZ through the antenna to realize data interaction. After the user's information is read out and displayed, the user can enter the user's recharge amount through the keyboard, and enter the recharge state after the input is confirmed. When the recharge is successful, the instrument will give a correct prompt message, and the user can continue to use water. .

At the same time, the storage circuit 3 saves the user's recharge history information for query, printing, deletion and the like. Users can also upload data to the host computer PC through the RS232 serial port for unified analysis and processing.

The above-described embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made in the scheme should fall within the scope of protection determined by the claims of the present utility model.

Claims (5)

1. an IC-card is handed and is sold hydrophone, comprise shell, described shell is provided with battery case with cover (11), keyboard (16) and LCD display (20), it is characterized in that: described shell (9) is provided with the induction zone of swiping the card (12), described shell is equipped with antenna plate and mainboard in (9), described antenna plate is installed in the inboard of the described induction zone of swiping the card (12), described mainboard is provided with master controller (1), circuit of display driving (2), memory circuit (3), clock circuit (4), IC-card treatment circuit (5) and keyboard circuit (6), described circuit of display driving (2), memory circuit (3), clock circuit (4), IC-card treatment circuit (5) is connected with described master controller (1) respectively with keyboard circuit (6), described master controller (1) carries out man-machine interaction by described keyboard circuit (6), described master controller (1) carries out information interaction with user's IC-card by IC-card treatment circuit (5), the output information of described master controller (1) is connected to described LCD display (20) by described circuit of display driving (2), and is connected to described memory circuit (3).

2. the hand-held hydrophone of selling of IC-card as claimed in claim 1, it is characterized in that: it is the chip formation of MSP430F149 that wherein said master controller (1) adopts model, it is the LCD chip for driving formation of RA8835 or SED1335 that described circuit of display driving (2) adopts model, it is the chip formation of AT45DB161D that described memory circuit (3) adopts model, it is the chip formation of PCF8563 that described clock circuit (4) adopts model, and it is the module formation of M101LV3 that IC-card treatment circuit (5) adopts model.

3. the hand-held hydrophone of selling of IC-card as claimed in claim 1 or 2, it is characterized in that: wherein said master controller (1) is connected to and is used for the communication interface circuit (7) mutual with PC, described communication interface circuit (7) is the RS232 interface, and adopting model is the chip formation of PAX3223.

4. IC-card as claimed in claim 3 is hand-held sells hydrophone, and it is characterized in that: wherein said keyboard adopts the 4*4 matrix keyboard.

5. IC-card as claimed in claim 4 is hand-held sells hydrophone, and it is characterized in that: wherein said shell is provided with the power interface of external 12V.

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