CN202205287U

CN202205287U - Wireless handheld POS machine

Info

Publication number: CN202205287U
Application number: CN2011203353717U
Authority: CN
Inventors: 郑诗樵; 林�建; 钱光洪; 陈文耀
Original assignee: FUJIAN XINNUO COMMUNICATION TECHNOLOGY Co Ltd
Current assignee: FUJIAN XINNUO COMMUNICATION TECHNOLOGY Co Ltd
Priority date: 2011-09-07
Filing date: 2011-09-07
Publication date: 2012-04-25
Anticipated expiration: 2021-09-07

Abstract

The utility model provides a higher-safety wireless handheld POS (point of sales) machine which is based on a mobile wireless communication network, bears Unionpay POS services and allows companies to support customer card reading consumption. The POS machine comprises a core control module consisting of a main processor, a CPLD (Complex Programmable Logic Device) chip and a security processor which are sequentially connected, and further comprises a wireless communication module, a USB interface, a radio frequency card module, an LCD, an internal memory, a memorizer, a print head, a PSAM card interface, a UART (Universal Asynchronous Receiver/Transmitter) interface, a power management module, a physical safety protection circuit, a keystroke, a magnetic card reading head and a contact-type IC module. In the utility model, the security processor performs verification and signature for the executive program and data of the main processor through the CPLD chip, so falsification of both the data and the program is avoided, the safe operation of the POS machine program is ensured, and the safe operation of the sensitive hardware is also ensured through the physical safety protection circuit.

Description

A kind of wireless handheld POS machine

[technical field]

The utility model relates to a kind of POS terminal, is specifically related to a kind of wireless handheld POS machine.

[background technology]

Point of sale (POS, Point of sales) is commonly called as " POS ", is a kind of terminal reading device of being furnished with bar code or optical character sign indicating number, cash is arranged or barter amount cashier function.

Along with expanding economy, commercial form is also changing, and increasing specialized wholesale market and sales field occur, and large quantities of self-employed businessman also occurred.These self-employed businessman need a large amount of money transactions in the business management activity of every day, for the POS machine general demand is arranged.But traditional P OS machine needs special line to be connected, and need take bigger place, and cost is also higher, relatively is fit to the commercial form of megastore, large supermarket.And for the self-employed businessman market that becomes increasingly prosperous; Their ubiquity manages that the place is little, movability is high, can't bear characteristics such as too high handling cost; They press for one one and are convenient to carry; The POS terminal device of transaction can be made things convenient for whenever and wherever possible, carrying out of business activity can be made things convenient for to greatest extent.

Based on this, the wireless POS terminal technology is just used and is given birth to.Application based on mobile radio communication network and information-based service platform is in the ascendant, and the business solution of different industries arises at the historic moment.

Publication number is the Chinese utility model patent of C N 201732442 U; A kind of design proposal of mobile phone POS is disclosed; What adopt is the technical scheme that primary processor and safe processor combine to form a total processor, and this scheme is mainly protected primary processor safety from the hardware security holding circuit, but does not provide the safety verification mechanism of host-processor program and data; When the physical security holding circuit is broken under the situation, be difficult to prevent that host-processor program and data from being distorted.

[utility model content]

The utility model technical matters to be solved is the hand-hold wireless POS machine that provides a kind of security higher, and based on mobile radio communication network, it is professional to carry the POS of Unionpay, for businessman provides the client bankcard consumption.

This reality has the following technical scheme of novel employing to solve the problems of the technologies described above:

A kind of wireless handheld POS machine; Comprise the kernel control module of the primary processor, CPLD chip and the safe processor composition that connect successively, also comprise wireless communication module, USB interface, radio-frequency card module, LCDs, internal memory, storer, printhead, PSAM card, UART interface, power management module, physical security holding circuit, button, magnetic card card read head for ID, contact IC module;

Wherein said wireless communication module, USB interface, radio-frequency card module, LCDs, internal memory, storer, printhead, PSAM card all are connected to said primary processor;

Wherein said UART interface, button, magnetic card card read head for ID, contact IC module all are connected to said CPLD chip;

Wherein said power management module, physical security holding circuit all are connected to said safe processor.

Further, also comprise the SD memory card interface, said SD memory card interface is connected to said primary processor.

Further, also comprise backup battery, said backup battery is connected to said power management module.

Further, said LCDs is 3.2 cun perpendicular screen liquid crystal.

The advantage of the utility model is: the method that adopts universal cpu to combine with safe processor designs a kind of hand-hold wireless POS machine; Aspect security control, provided simultaneously novel method; Realize that through the CPLD chip safe processor verifies the executive routine of primary processor and data and sign; Thereby can prevent behavior that program and data are distorted, guarantee the safety of POS machine program run, guarantee the safe operation of sensitive hardware simultaneously through the physical security holding circuit.

[description of drawings]

Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.

Fig. 1 is the utility model structured flowchart.

[embodiment]

As shown in Figure 1; A kind of hand-hold wireless POS machine; Comprise the kernel control module of the primary processor 1, CPLD chip 2 and safe processor 3 compositions that connect successively, comprise that also storer 4, internal memory 5, liquid crystal show device 6, radio-frequency card module 7, USB interface 8, wireless communication module 9, contact IC module 10, magnetic card card read head for ID 11, button 12, printhead 13, SD storage card 14, PSAM card 15, UART interface 16, power management module 17, binodal lithium battery 18, physical security holding circuit 19.

Wherein wireless communication module 9, USB interface 8, radio-frequency card module 7, LCDs 6, internal memory 5, storer 4, printhead 13, SD storage card 14, PSAM card 15 all are connected to primary processor 1; LCDs 6 is 3.2 cun perpendicular screen liquid crystal.

Wherein UART interface 16, button 12, magnetic card card read head for ID 11, contact IC module 10 all are connected to CPLD chip 2.

Wherein power management module 17, physical security holding circuit 19 all are connected to safe processor 3.

Each several part function and matching relationship are following:

Primary processor 1: be responsible for the operation of system program and the processing of data.Utilize primary processor 1 abundant Peripheral Interface to realize the visit to various peripheral hardwares, primary processor 1 cooperates more bus of expansion and logic control function with CPLD chip 2 simultaneously.The operation of primary processor 1 receives the control of safe processor 3.

CPLD chip 2: for primary processor 1 and safe processor 3 provide various expansion interfaces; CPLD chip 2 is also realized an important function simultaneously; Deposit the start-up code of primary processor 1, safe processor 3 judges whether to start primary processor 1 through checking CPLD chip 2 inner start-up code.

Safe processor 3: the visit and the control of responsible peripheral responsive module, be responsible for the monitoring of physical security holding circuit 19, be responsible for the encryption of data, primary processor 1 start-up code of also being responsible for checking CPLD chip 2 inside is to judge whether to start primary processor 1.

Storer 4: deposit bootloader at different levels, file system, kernel, application etc.

Internal memory 5: be primary processor 1 program run space.

LCD 6: display interface menu and operation information.

Radio-frequency card module 7: realize the visit of radio-frequency card.

USB interface 8: realize the USB communication function.

Wireless communication module 9: being responsible for the communication of terminal and background system, to realize the exchanges data of terminal and background system, can be GPRS, CDMA or 3G module.

Contact IC module 10: realize that the IC-card data read and write.

Magnetic card card read head for ID 11: realize the visit of data on magnetic card.

Button 12: be responsible for realizing the menu operation function.

Printhead 13: be responsible for the realization of printing function.

SD storage card 14: through memory interface and storage medium, can the business datum at terminal be stored, guarantee the safety of data.

PSAM card 15: realize visit to the PSAM card.

UART interface 16: realize the function that primary processor 1 serial ports control desk and data are downloaded.

Power management module 17: be responsible for the power supply of each circuit module and the management of charging and discharging of backup battery.

Binodal lithium battery 18: can work in order to terminal under the state that has a power failure.

Physical security holding circuit 19: realize equipment physical security mechanism.

The utility model is to utilize primary processor to cooperate with safe processor to realize the POS of Unionpay terminating machine; Realize that through the CPLD chip safe processor controls and function such as verification the startup of primary processor, thereby realize the function of host-processor program and data security protecting.System utilizes primary processor to realize the visit of communication modules such as wireless communication module, radio-frequency card, serial ports, USB, realizes the thermal printing function simultaneously, can also visit storage mediums such as SD card, PSAM card; Safe processor is realized the access function to button, Contact Type Ic Card, magnetic card, is responsible for the protection of safety simultaneously, and both combinations have constituted powerful POS processing platform.

Claims

1. hand-hold wireless POS machine; It is characterized in that: comprise the kernel control module of the primary processor, CPLD chip and the safe processor composition that connect successively, also comprise wireless communication module, USB interface, radio-frequency card module, LCDs, internal memory, storer, printhead, PSAM card, UART interface, power management module, physical security holding circuit, button, magnetic card card read head for ID, contact IC module;

2. a kind of hand-hold wireless POS machine as claimed in claim 1 is characterized in that: also comprise the SD memory card interface, said SD memory card interface is connected to said primary processor.

3. a kind of hand-hold wireless POS machine as claimed in claim 1, it is characterized in that: also comprise backup battery, said backup battery is connected to said power management module.

4. a kind of hand-hold wireless POS machine as claimed in claim 1 is characterized in that: said LCDs is 3.2 cun perpendicular screen liquid crystal.