CN201440292U

CN201440292U - Petty sum consumption POS machine based on WLAN technical communication

Info

Publication number: CN201440292U
Application number: CN200920133858XU
Authority: CN
Inventors: 孙永战
Original assignee: SHENZHEN DECARD TECHNOLOGY Co Ltd
Current assignee: SHENZHEN DECARD SMARTCARD TECH CO., LTD.
Priority date: 2009-07-14
Filing date: 2009-07-14
Publication date: 2010-04-21
Anticipated expiration: 2019-07-14

Abstract

The utility model relates to a petty sum consumption POS machine based on the WLAN technical communication, which comprises a main processor, a power circuit, a ferroelectric memory, a storing/reset circuit, a keyboard, an LCD screen, a CPU card interface circuit, a magnetic stripe card interface, a radio-frequency IC card read-write module and a WLAN wireless communication module, wherein the power circuit, the ferroelectric memory, the storing/reset circuit, the keyboard, the LCD screen, the CPU card interface circuit, the magnetic stripe card interface, the radio-frequency IC card read-write module and the WLAN wireless communication module are respectively and electrically connected with the main processor, the CPU card interface circuit is also respectively and electrically connected with a large card interface and an SAM card interface, the magnetic stripe card interface is also electrically connected with a magnetic stripe card rail, and the radio-frequency IC card read-write module is also electrically connected with a radio-frequency antenna. The utility model can reduce the cost of network wire distribution, can shorten the construction period, can flexibly configure the POS machine equipment, can overcome the problem of position limitation of a traditional wire distribution method, and has the advantages of high transmission speed and safe information transmission.

Description

Small amount consumption POS machine based on the WLAN technical communication

Technical field

The utility model relates to the POS machine, relates in particular to a kind of small amount consumption POS machine based on the WLAN technical communication.

Background technology

POS (Point Of Sail, point of sales terminal) machine be in people's current consumption the equipment that often uses, all need connected network communication in the work of all kinds of POS machine; Because RS485 interface antijamming capability is strong, the main connected network communication interface of existing P OS machine is the RS485 interface, and a small amount of RS232 and a spot of USB interface are also arranged.But the POS facility of existing employing wire communication mode have following shortcoming: need the cost great amount of cost to carry out network wiring cost, the construction period is long; Be subjected to the position restriction problem of traditional wiring mode, the configuration of POS machine is dumb; Transmission speed is limited.

(Wireless LAN WLAN) is to use the LAN (Local Area Network) of wireless connections to WLAN (wireless local area network), refers to that the employing wireless communication technology is interconnected with computer equipment, and formation can mutual communication and realized the network system of resource sharing; The media that it uses radiowave to transmit as data, transmitting range is generally tens meters.The Backbone network of WLAN (wireless local area network) uses cable (CABLE) usually, and (wireless access points WAP) inserts WLAN (wireless local area network) to wireless local network user by one or more radio access devices.WLAN (wireless local area network) has been applied in business district, university, airport and other public domains now widely.The characteristics of WLAN (wireless local area network) essence are not re-use telecommunication cable computer and network is coupled together, but connect by wireless mode, thereby make moving of the structure of network and terminal more flexible.

WAPI (Wireless LAN Authentication and Privacy Infrastructure, wireless local area is differentiated and confidentiality foundation structure) be a kind of host-host protocol in the wireless lan (wlan), also be Chinese wireless LAN safety compulsory standard simultaneously.WAPI uses the security protocol of a kind of " WLAN (wireless local area network) is differentiated and secret architecture (WAPI) " by name; just it has adopted the cipher mode more senior than WIFI; and the more important thing is; it is the wireless local area standard of China's independent research, and generally the words of Shi Yonging can more help protecting the information security of China than WIFI.

The utility model content

Therefore, the purpose of this utility model provides a kind of small amount consumption POS machine based on the WLAN technical communication, and it adopts the WAPI agreement in the WLAN communication protocol, makes that the transmission data are more safe and reliable.

For achieving the above object, the utility model provides a kind of small amount consumption POS machine based on the WLAN technical communication, and it comprises: primary processor, power circuit, ferroelectric memory, storage/reset circuit, keyboard, LCD screen, CPU card interface circuit, big card, SAM (secure access module) card, magnetic stripe card interface, magnetic stripe card track, radio-frequency (RF) IC card module for reading and writing, radio-frequency antenna and the WLAN wireless communication module that adopts the WAPI agreement; Described primary processor electrically connects power circuit, ferroelectric memory, storage/reset circuit, keyboard, LCD screen, CPU card interface circuit, magnetic stripe card interface, radio-frequency (RF) IC card module for reading and writing and WLAN wireless communication module respectively, described CPU card interface circuit also electrically connects big card, SAM card respectively, described magnetic stripe card interface also electrically connects the magnetic stripe card track, and described radio-frequency (RF) IC card module for reading and writing also electrically connects radio-frequency antenna.

Wherein, described primary processor also electrically connects hummer.

Wherein, described primary processor also electrically connects the LED lamp.

Wherein, described primary processor also electrically connects the real-time clock back-up battery circuit.

Wherein, described primary processor is a Philips LPC213X chip.

Wherein, described WLAN wireless communication module is the HED05W01SU chip.

Wherein, described radio-frequency (RF) IC card module for reading and writing is the RC531 chip.

In sum, the utility model can reduce network wiring cost based on the small amount consumption POS machine of WLAN technical communication, shortens the construction period; Can flexible configuration POS machine equipment, break away from the position restriction problem of traditional wiring mode; Transmission speed is fast, and information transmission is safer.

For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is the circuit block diagram of the utility model based on the small amount consumption POS machine of WLAN technical communication.

Embodiment

As shown in Figure 1, it is the circuit block diagram of the utility model based on the small amount consumption POS machine of WLAN technical communication, it mainly comprises: primary processor 1, power circuit 2, ferroelectric memory 3, storage/reset circuit 4, keyboard 5, LCD screen 6, CPU card interface circuit 7, big card 8, SAM card 9, magnetic stripe card interface 10, magnetic stripe card track 11, radio-frequency (RF) IC card module for reading and writing 12, radio-frequency antenna 13 and the WLAN wireless communication module 14 that adopts the WAPI agreement, it also can further comprise hummer 15, LED lamp 16 and real-time clock back-up battery circuit 17.

Primary processor 1 electrically connects power circuit 2, ferroelectric memory 3, storage/reset circuit 4, keyboard 5, LCD screen 6, CPU card interface circuit 7, magnetic stripe card interface 10, radio-frequency (RF) IC card module for reading and writing 12, WLAN wireless communication module 14, hummer 15, LED lamp 16 and real-time clock back-up battery circuit 17 respectively, CPU card interface circuit 7 further electrically connects big card 8, SAM card 9 respectively, magnetic stripe card interface 10 further electrically connects magnetic stripe card track 11, and radio-frequency (RF) IC card module for reading and writing 12 further electrically connects radio-frequency antenna 13.

Primary processor 1 is responsible for the function of the whole POS machine of coordinated management, it can adopt the PhilipsLPC213X chip, according to common circuit connecting mode, the primary processor 1 peripheral power circuit 2 of being responsible for power supply,

ferroelectric memory

3,1 storage of control primary processor of storaging user data and the storage/reset circuit 4 that resets of connecting; Primary processor 1 connects keyboard 5 to support button operation; Connect LCD screen 6,, can show remaining sum and this amount of consumption and inquiry transaction record as the liquid crystal LCD of 4 row, 8 row; Connect LED lamp 16,, can indicate states such as power supply, communication, Card Reader, transaction as 4 LED light; Connect hummer 15, can sound and remind the user; Connect real-time clock back-up battery circuit 17, can automatically switch to back-up source later in the VDD of primary processor 1 power down, under the situation of using back-up source, real-time clock power consumption is seldom so that can long-term work.

Primary processor 1 is by connecting CPU card interface circuit 7, magnetic stripe card interface 10 and radio-frequency (RF) IC card module for reading and writing 12, can make the utility model support all kinds of contacts, contactless smart card operation, simultaneously, also supports the operation of the magnetic stripe card of 1,2,3 rails; Wherein, radio-frequency (RF) IC card module for reading and writing 12 can adopt existing chip, for example the RC531 chip.On this basis, connect the WLAN wireless communication module 14 that adopts the WAPI agreement by primary processor 1, for example existing HED05W01SU chip, make that POS machine of the present utility model can be based on WLAN communication technology transmission data, also adopted the WAPI agreement in the WLAN communication protocol simultaneously, make that the transmission data are more safe and reliable, support data encryption WLAN wireless communication module 14 to finish the encryption and the packing of data stream automatically, pass to the AP access point with wireless transmission method, pass back to data processing centre (DPC) by Internet again, finish the wireless automatic transmission of data.

In the utility model, primary processor 1 also can further connect other communication interface, as radio network interfaces such as GPRS/CDMA/ bluetooth/ZIGBIEE, or wired network interfaces such as RS232, RS485, or is used to connect the serial line interface of serial bill printer.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model accompanying Claim.

Claims

1. the small amount based on the WLAN technical communication is consumed the POS machine, it is characterized in that, comprising: primary processor, power circuit, ferroelectric memory, storage/reset circuit, keyboard, LCD screen, CPU card interface circuit, big card, SAM card, magnetic stripe card interface, magnetic stripe card track, radio-frequency (RF) IC card module for reading and writing, radio-frequency antenna and the WLAN wireless communication module that adopts the WAPI agreement; Described primary processor electrically connects power circuit, ferroelectric memory, storage/reset circuit, keyboard, LCD screen, CPU card interface circuit, magnetic stripe card interface, radio-frequency (RF) IC card module for reading and writing and WLAN wireless communication module respectively, described CPU card interface circuit also electrically connects big card, SAM card respectively, described magnetic stripe card interface also electrically connects the magnetic stripe card track, and described radio-frequency (RF) IC card module for reading and writing also electrically connects radio-frequency antenna.

2. the small amount consumption POS machine based on the WLAN technical communication as claimed in claim 1 is characterized in that described primary processor also electrically connects hummer.

3. the small amount consumption POS machine based on the WLAN technical communication as claimed in claim 1 is characterized in that described primary processor also electrically connects the LED lamp.

4. the small amount consumption POS machine based on the WLAN technical communication as claimed in claim 1 is characterized in that described primary processor also electrically connects the real-time clock back-up battery circuit.

5. as the arbitrary described small amount consumption POS machine of claim 1-4, it is characterized in that described primary processor is a Philips LPC213X chip based on the WLAN technical communication.

6. as the arbitrary described small amount consumption POS machine of claim 1-4, it is characterized in that described WLAN wireless communication module is the HED05W01SU chip based on the WLAN technical communication.

7. as the arbitrary described small amount consumption POS machine of claim 1-4, it is characterized in that described radio-frequency (RF) IC card module for reading and writing is the RC531 chip based on the WLAN technical communication.