CN202947790U

CN202947790U - Electronic scale

Info

Publication number: CN202947790U
Application number: CN 201220560453
Authority: CN
Inventors: 孙伟; 卢景
Original assignee: Beijing Xindalu Lianzhong Digital Science & Technology Co Ltd
Current assignee: Beijing New World Intelligent Traceability Technology Co ltd
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2013-05-22
Anticipated expiration: 2022-10-30

Abstract

The utility model discloses an electronic scale which comprises central processing units (CPUs), a radio frequency identification device (RFID) read-write module, a weighing control module, a sensing module, a printing module, a wireless module, a data storage module, a display module and a remote control module. By means of the two CPUs, the electronic scale can achieve functions of high-accuracy weighing and measuring, traceable code printing, local data processing and storage and the like; by means of an added hand-held terminal, a user can trace and inquire information of production places, slaughterhouses, wholesale markets, cargo owners, retail terminals and stall owners of foods even if under the condition that the electronic scale is not manually operated, and safety of the foods can be inquired at any time.

Description

A kind of electronic scales

[technical field]

The utility model relates to a kind of electronic scales, particularly relates to a kind of electronic scales that uses at the agricultural trade Vegetable Market.

[background technology]

In the market, especially on the market of farm produce, but because the advantage such as electronic scales has robotization control, digital intuitive display, accuracy is high, resolution is high, volume is little, installation and maintenance are simple, the utilization of electronic scales is more and more universal.

In the conditional electronic scale structure of existing tracing function, all adopt a CPU processor, data processing speed is slow, and the interface limited amount, can't with possess the greater functionality module and be connected.simultaneously, the user need to carry out manual button operation on scale, and in food real trade process, if each button operation on scale in person of buying and selling all, so in case occur that the user is numerous to be occurred waiting in line or electronic scales is placed on inconvenient direct manual occasion, certainly will bring inconvenience to supvr and user, be unfavorable for that also the consumer accurately and fast reviews the place of production that inquires food, the slaughterhouse, the wholesale market, the owner of cargo, retail terminal, the important informations such as stall owner, significant wastage electronic scales button wearing and tearing, reduced the available labour time of electronic scales.

[summary of the invention]

The utility model provides a kind of electronic scales, can be applied to the inconvenient occasion of directly using the manual manipulation electronic scales.The present invention adopts the basic conception of technical scheme to be:

A kind of electronic scales, the RFID module for reading and writing that comprises CPU and be connected with CPU, weighing and sensing module, data memory module and display module, described CPU are two, a CPU is connected with data memory module with display module, RFID read module respectively; The 2nd CPU is connected with a CPU with the weighing and sensing module.

Preferably, display module is LED and LCD display.

Preferably, also comprise interface module, print module and mixed-media network modules mixed-media.

Preferably, described interface module is usb interface module or the RS232 serial port module that can be connected with CPU.

Preferably, print module is mini-printer.

Preferably, mixed-media network modules mixed-media is GPRS module, WIFI module and Ethernet.

Preferably, also comprise a handheld terminal.

Preferably, handheld terminal is PDA equipment or hand-held recognizer.

[description of drawings]

Fig. 1 is for adopting the electronic scales cut-away view of the present invention of two CPU;

Fig. 2 is for using purchase-transaction process flow diagram of the present invention.

[embodiment]

As shown in Figure 1, electronic scales of the present invention comprises that a CPU (1), the 2nd CPU (2) and the RFID module for reading and writing (6) that is connected with CPU, weighing and sensing module (5), print module (9), mixed-media network modules mixed-media (7), data memory module (8), display module (3) and one possess handheld terminal (10).

The present invention adopts the dual processor collaborative work, wherein a CPU (1) possesses the high performance digital signal processing capacity (as monocycle MAC, single instruction multiple data (SIMD) technology, saturation algorithm, Float Point Unit) of processing, add the performances such as low-power consumption in conjunction with superpower extensibility, mixed signal processing, can articulate LCD, the CUP smart card, WIFI, printer etc., and then disposal system Global Information; The main processes sensor information of the 2nd CPU (2) and keyboard LED information, can share simultaneously the transmission of a CPU (1) mass data and I/O Processing tasks, reduce its bandwidth occupancy, make a CPU (2) with all strength processing digital signal control digital computation in using.Communicate by letter by UART between dual processor.Certainly, the present invention also can use a CPU job, and just modular unit can reduce in the case, and the speed of system's deal with data and precision can reduce greatly.

Mixed-media network modules mixed-media (7) can adopt GPRS module, WIFI module and Ethernet, in order that the Transaction Information of every day can be uploaded to management server, and and management server communication etc.

Weighing and sensing module (5) is input to auxiliary processor through signal processing circuit, is digital signal through the AD conversion process, is then carrying out scale transformation, data processing etc.Relate generally to the driving of A/D convertor circuit.Can the Real-time Collection Item Weight and show in real time on the LCD screen, can automatically show related data by artificial modification correlation parameter, change related data.The most basic weight, unit price, total price needs to show in real time.

RFID card reading module (6) can be read and write rfid card, and data in database is taken out compare, thereby verifies trade company's log-on message, records Transaction Information etc.

Data memory module (8) is used for each transaction details of storage, and historical data etc. is read in inquiry.

Print module (9) is exactly a mini-printer, printable detailed transaction information, the information such as code of tracing to the source.

Display module (3) is LED and LCD display, and before and after minute, the two sides shows.Function informations such as LCD display of commodity kind, quantity, unit price, total price, user's information, printing wherein, LED is the information such as a display of commodity tare weight, weight, price.

Electronic scales of the present invention also comprises interface module (not marking in figure), and described interface module is usb interface module or the RS232 serial port module that can be connected with CPU.

When utilizing electronic scales of the present invention to conclude the business, specific works flow process following (referring to Fig. 2):

Step 1, after start, the buyer inserts rfid card, and this moment is about the latest datas such as the inspection and quarantine information of product, production batch, seller information writing system in advance;

Step 2, the list of display of commodity batch information and Member Information Box;

Step 3 enters the merchandise query interface, selects commodity, carries out purchase-transaction;

Step 4 after confirming transaction, is preserved transaction record to rfid card;

Step 5 is printed transaction and is reviewed receipt;

Step 6 uploads to remote server system automatically with information such as transaction record, retailer's record, purchaser's records.

If being arranged on, electronic scales is not easy in manually operated environment, can use handheld terminal (10), such as PDA equipment or hand-held recognizer (for example hand-held recognizer of the NL-PT1118 of Fujian Newland Computer Co., Ltd), as long as can complete identification and read functions.

The utility model has solved the inconvenient problem of directly using the manual manipulation electronic scales of user, and adopt two CPU effectively to improve speed and precision that data are processed, guaranteed that the consumer accurately and fast reviews the important informations such as the place of production that inquires food, slaughterhouse, wholesale market, the owner of cargo, retail terminal, stall owner.

Above content is in conjunction with concrete optimal technical scheme further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.

Claims

1. electronic scales, the RFID module for reading and writing that comprises CPU and be connected with CPU, weighing and sensing module, data memory module and display module, it is characterized in that described CPU is two, a CPU is connected with data memory module with display module, RFID read module respectively; The 2nd CPU is connected with a CPU with the weighing and sensing module.

2. a kind of electronic scales according to claim 1, is characterized in that, display module is LED and LCD display.

3. a kind of electronic scales according to claim 2, is characterized in that, also comprises interface module, print module and mixed-media network modules mixed-media.

4. a kind of electronic scales according to claim 3, is characterized in that, described interface module is usb interface module or the RS232 serial port module that can be connected with CPU.

5. a kind of electronic scales according to claim 3, is characterized in that, print module is mini-printer.

6. a kind of electronic scales according to claim 3, is characterized in that, mixed-media network modules mixed-media is GPRS module, WIFI module and Ethernet.

7. according to claim 1-6 described a kind of electronic scaless of arbitrary claim, is characterized in that, also comprises a handheld terminal.

8. a kind of electronic scales according to claim 7, is characterized in that, handheld terminal is PDA equipment or hand-held recognizer.