CN2447874Y

CN2447874Y - Inductive IC card charging device

Info

Publication number: CN2447874Y
Application number: CN 00249291
Authority: CN
Inventors: 胡振清; 董铭惠
Original assignee: Shanghai Liangbiao Technology Terminal Co Ltd
Current assignee: Shanghai Liangbiao Technology Terminal Co Ltd
Priority date: 2000-09-19
Filing date: 2000-09-19
Publication date: 2001-09-12
Anticipated expiration: 2010-09-19

Abstract

The utility model relates to an induction type IC card charging machine, which comprises a machine body composed of a front housing body and a back cover, a central processor which is arranged in the machine body, an IC card operation module which is electrically connected with the central processor, a sensing module, a keyboard, a reading scan module, a voice circuit module, a safety module, a management module of a module power supply in a main storage area, a backup data module, and a contact type IC Card interface module; the bottom part of the machine body is provided with an antenna; the keyboard and a display board are embedded on a panel of the front housing body; a second display board is embedded on a back board of the back cover. The charging machine of the utility model can be free from the interference of voltage and a power supply, and the utility model has a favorable ability for fitting a working environment and high reliability.

Description

The induction type IC card money machine

The utility model relates to a kind of IC-card money machine, is specifically related to a kind of induction type IC card money machine.

Along with the high speed development of IC-card technology, the range of application of IC-card is more and more wider.Especially induction type (contactless) IC-card is used more and more on public transit vehicle.And the public transport environment is more abominable, and its characteristics are: the supply voltage of dissimilar buses is divided into 12 volts and 24 volts, and its power-supply fluctuation scope is bigger; Bus engine also can produce stronger electromagnetic interference (EMI).The operating voltage and the operating temperature range of present induction type IC card money machine are all less, for example, the MCM500 money machine of Philips be respectively 9-36V and-10-55 ℃; And because no backup functionality, its functional reliability is relatively poor.Therefore, the performance of existing induction type IC card money machine can't adapt to more abominable environment for use.

In view of the above problems, the purpose of this utility model provides a kind of favorable working performance and high induction type IC card money machine of functional reliability that can adapt to abominable environment for use.

For achieving the above object, induction type IC card money machine of the present utility model comprises: a body of forming by procapsid and bonnet, and body is provided with antenna, is embedded with keyboard and display board on the panel of procapsid; One is arranged on the CPU (central processing unit) in the described body; The IC-card operational module that is electrically connected with CPU (central processing unit), induction module, keyboard and reading scan module, sound circuit module, security module, main storage area module; Be characterized in, be embedded with second display board on the backboard of described bonnet; Also comprise power management module, Backup Data module and Contact Type Ic Card interface module, they are electrically connected with CPU (central processing unit) respectively.

Such scheme of the present utility model can carry out special processing at the different situations of public transit vehicle, to guarantee to stablize output system and the required voltage of induction module radio frequency part like this owing to be provided with power management module; Owing to be provided with Backup Data district module, can guarantee the security of transaction record, distinguish damage separately in case find certain, the data in the backup can be carried out data automatically and be recovered.

Specify the utility model one preferred embodiment below in conjunction with accompanying drawing, so that clearlyer understand the purpose of this utility model, characteristics and advantage.

Fig. 1 is the front view of the induction type IC card money machine of the utility model one preferred embodiment;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the rear view of Fig. 1;

Fig. 4 is the block diagram of inner structure of the induction type IC card money machine of Fig. 1 embodiment;

Fig. 5 is the block diagram of the principle of work of the power management module shown in Fig. 4;

Fig. 6 is the circuit diagram corresponding to the power management module of Fig. 4;

Fig. 7 is the circuit diagram of the Contact Type Ic Card interface module among Fig. 1 embodiment.

Fig. 1 to 3 illustrates the contour structures of the IC-card money machine of the utility model one preferred embodiment, includes: a body of being made up of procapsid 1 and bonnet 2 is embedded with keyboard 3 and display board 4 on the procapsid panel; On the backboard of bonnet 2, be embedded with second display board 6, some working station indicators 8, IC-card socket 7 and power switch 9.Fig. 4 illustrates the inner structure of induction type IC card money machine of the present utility model and forms, and comprising: one is arranged on the CPU (central processing unit) 10 in the body; The IC-card operational module 11 that is electrically connected with CPU (central processing unit) 10, induction module 12, keyboard and reading scan module 13, sound circuit module 14, security module 15, main storage area module 16, power management module 17, Backup Data module 18 and Contact Type Ic Card interface module 19, they are electrically connected with CPU (central processing unit) 10 respectively.CPU (central processing unit) 10 of the present utility model is to adopt the MCS51 series monolithic with online programming (ISP) function, be used to control induction type IC card operation and with the exchanges data of above-mentioned other functional module.Described power management module 17 is used to monitor the power supply of input, it according to different inputs (＞=24V or＜24V) carry out different power supply to handle, the generation system is required+5V and 12V and make operating voltage range can reach 3.6V-40V, its principle of work as shown in Figure 5, after the different power supply inputs, carrying out power supply detects, then power supply is switched: boost to 24V or be depressured to 15V, be depressured to required 5V of system and 12V more respectively, respectively the radio frequency part (RF) of feed system (mainboard) and induction module 12 stably.The physical circuit of power management module 17 as shown in Figure 6, the power supply of input enters power supply and detects behind the High frequency filter network, when supply voltage during greater than 24V, triode conducting, relay gating 40V passage; If supply voltage is less than 24V, then relay disconnects.After the power supply input greater than 24V, directly be depressured to 15V, pass through step-down again and export 12V and 15V confession RF and mainboard work respectively through the MC34063DC-DC converter.For less than the input of the power supply of 24V, then boost to 24V through the special-purpose DC-DC converter of the 3-24V of customization, be depressured to 12V and 5V respectively for RF and mainboard work through MC34063 and 7805 then.Through multistagely boost, the step-down process can make the power supply of input be subjected to certain loss, therefore increases MOS at the DC output terminal, to improve the output current of power supply.Described keyboard and reading scan module 13 are used for the control demonstration and function key is handled, native system adopts 20 double-sided display, as mentioned above, front display board 4 shows remaining sum in admission fee and the card, back displays plate 6 shows total transaction person-time and total dealing money, also be provided with four graphical working station indicators, be used to indicate the card mode of operation of money machine.Sound circuit module 14 adopts ADPCM simulation output, is used to point out all kinds of card operating results.Specifically, above-mentioned voice/demonstration/

keyboard scan module

14 and 13 is used for the scanning of 20 charactrons and the processing of button, to speech play and status lamp 8 and hummer control, their self-powered filtering and mu balanced circuits, and by RS485 and each master control template communication.The special module that induction module 12 adopts Huahong integrated circuit company to produce is a kind of induction type module of the ISO14443 of meeting standard, and the distance of reaction between its card and the antenna is the 0-10 centimetre, and the typical time of finishing once transaction is less than 300ms.Security module 15 adopts special-purpose PSAM card, is used for management, generation and the transaction authentication of key, and its security performance is high and read or write speed is fast.IC-card operational module 11 is used to take charge of the transmission of selling the sign-out and various information table of registering of card and is used for the upgrading of application program and download etc.The setting of described Backup Data district module 18 is the securities in order to ensure transaction record, except that all transaction records carry out the safety certification processing, adopt the double copies structure, damage in case find certain perform region, then the data in the backup are carried out the data recovery automatically.The circuit structure of described IC-card interface module (RS232/RS485) 19 as shown in Figure 7, its self-powered filtering and mu balanced circuit, and by RS485 and each main control module communication.The utility model adopts jumbo Contact Type Ic Card department to sell card as the medium of gathering, for the driver, the various information table that the IC-card money machine just will be stored in the card automatically after every day, the working start was registered collects in its relevant storer, come off duty when sign-out, then sell in the card passing to department under the Transaction Information in the money machine automatically.The driver can be whenever and wherever possible sell with department and stick into row collection like this, then department is sold card and delivers to specify to gather on the collection point and get final product, has avoided because crowding of causing of concentrated collection.Simultaneously, employing department sells the acquisition time that card collection also can significantly reduce data, compares with other acquisition mode, uses the IC-card collection can be reduced by at least the acquisition time of half.In addition, the utility model also adopts following measure to guarantee system's operate as normal under situation about being disturbed: the mode that adopts High frequency filter+DC-DC+ three-terminal voltage-stabilizing, the undesired signal that results from the money machine power supply is isolated, also used special inhibition EMI device in the line; Critical component adopts metallic shield, disturbs the destruction to system to prevent the external magnetic field; Adopt hardware watchdog (WATCHDOG) technology, be subjected to the interference program back 150ms that makes mistakes with convenient system, (RESET) operation automatically resets; With external component, for example communication interface, keyboard etc. all adopt photoelectric isolation technology; Adopt software reset's technology, and insert a plurality of JMP START instructions, when program flies to escape to these programmed instruction, carry out reset operation automatically at the vacant place of program; Adopt CRC-16 that the transaction data and the intermediate variable that produce are concluded the business, to guarantee the correctness of data.The antenna of IC-card money machine of the present utility model places the bottom of money machine, adopts recess on the top of antenna, and it highly is card and antenna valid function distance, has improved the success ratio of card operation greatly.Guaranteeing also to comprise following measure aspect the reliability: body adopts the PVC material, and inner the employing strengthened structure, to guarantee in use can not cause the damage of money machine because of vehicle jolts; Software and hardware combines to prevent the generation of money machine maloperation; Key position adopts the dust and moisture measure, with working temperature and the humidity range that improves money machine greatly.

Claims

1. an induction type IC card money machine comprises: a body of being made up of procapsid and bonnet is embedded with keyboard and display board on the panel of procapsid; One is arranged on the CPU (central processing unit) in the described body; The IC-card operational module that is electrically connected with CPU (central processing unit), induction module, keyboard and reading scan module, sound circuit module, security module, main storage area module; It is characterized in that, be embedded with second display board on the backboard of described bonnet; Also comprise power management module, Backup Data module and Contact Type Ic Card interface module, they are electrically connected with CPU (central processing unit) respectively.

2. induction type IC card money machine as claimed in claim 1 is characterized in that, a kind of single-chip microcomputer with online programming (ISP) function of described CPU (central processing unit).

3. induction type IC card money machine as claimed in claim 1 is characterized in that, described Contact Type Ic Card interface module, keyboard and reading scan module and sound circuit module each self-powered filtering and mu balanced circuit.

4. induction type IC card money machine as claimed in claim 1, it is characterized in that, described induction module is a kind of induction type module of the ISO14443 of meeting standard, and the distance of reaction between its card and the antenna is the 0-10 centimetre, and the typical time of finishing once transaction is less than 300ms.

5. induction type IC card money machine as claimed in claim 1 is characterized in that, described security module is a kind of PSAM card of special use.

6. induction type IC card money machine as claimed in claim 1 is characterized in that, also includes interference protection measure; These measures comprise: the mode of High frequency filter+DC-DC+ three-terminal voltage-stabilizing and special inhibition EMI device in the line; The metallic shield to system destruction is disturbed in the external magnetic field that prevents that is located on the critical component; Interference program (RESET) operational hardware and the software reset's measure of automatically reseting that make mistakes.

7. induction type IC card money machine as claimed in claim 1 is characterized in that described antenna places the bottom of money machine, and being formed with it on the top of antenna highly is that card and antenna valid function are apart from recess.