CN2684273Y

CN2684273Y - Article weight sensing and original material authentication protective device

Info

Publication number: CN2684273Y
Application number: CN 03235088
Authority: CN
Inventors: 陈开贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-25
Filing date: 2003-06-25
Publication date: 2005-03-09
Anticipated expiration: 2013-06-25

Abstract

The utility model relates to an article weight sensing and original material authentication protective device, which comprises a computer, an article bar code reader, a weight detecting instrument and a keyboard. The weight detecting instrument is connected to the computer by a data cable or a wireless data transmission device; the bar code reader is connected to the computer by the data cable. The utility model has advantages of simple structure, exact identification and flexible application mode; the utility model not only is used by itself, but also constitutes a management system with the function of original material authentication. The utility model is widely used in many places such as storehouse management, article keeping, product detection and weight encoding anti-counterfeiting.

Description

The article check weighing original is differentiated protective device

(1), affiliated technical field

The utility model relates to a kind of article detection apparatus, and whether particularly a kind of article of differentiating are the detection protective device of the original.

(2), technical background

For a long time,, sell, in cashier's process,, check (or with outward appearance) then and there by the article receiving-transmitting sides usually and confirm for the true and false of handing-over article and whether intact in item circulation.If find the article problem afterwards, promptly easily cause dispute, be difficult to distinguish responsibility again.

In recent years, along with the popularization of development of computer and bar code technology, in the library, bookstore, the supermarket, bank, hospital pharmacy, computer management has all been adopted in many item circulation place such as warehouse.But because computing machine can't be by bar code to the article book original whether, damaged judging whether, article differentiate that problem still is a managerial difficult problem.Be example only, give back in the books, remove books and torn page or leaf, outside the old problems such as ' putting in a skylight ', often find that also the books bar code such as is replaced at the new situation at computer management system in public use with library's open stack management.In order to take precautions against, taking care of books department can only adopt the reinforcement TV monitoring and controlling usually, and whether note relatively giving back books identical with the computing machine displaying contents, and to giving back artificial measures such as books and periodicals scrutiny, this had both increased management difficulty, and actual effect is also limited.

(3), summary of the invention

The purpose of this utility model just provides a kind of simple in structure, easy to operate article check weighing original and differentiates protective device, and it can differentiate whether these article are the original according to the weight change that detects article.

The purpose of this utility model is to realize by such technical scheme, it includes computing machine, article bar-code reader, weight detector and keyboard, weight detector is connected with computing machine by data cable or wireless data transmission device, and bar-code reader is connected with computing machine by data cable.

In the utility model, weight detector can be existing commercially available prod, is the electronic scales of MSX-155 as model, also can be custom-designed voluntarily Weight detecting device.The utility model is like this work: after the supvr is read in computing machine with the article bar-code reader with the bar code number ISBN X of measured object (books in this way), these books are placed on the weight detector, weight detector can be measured its weight P1 automatically and send in the computing machine by data cable or wireless data transmission device again.After computing machine receives measured object bar code ISBN X, actual measurement weight data P1, show 12 barcode datas of its bar code ISBN X and survey the weight data value by display.Computing machine will be checked its weight P0 internal memory situation according to barcode number: if internal storage data P0=0, then preserving this weight data P1 is P0 and bar code number ISBN X, and this moment, measured object was for public use, entered registration procedure for public use subsequently.If internal memory weight data P0 ≠ 0, measured object just calls P0 and compares with existing measured value P1 for giving back at this moment.As P1-P0=0 or in ± 1 permissible error scope, it is the original and N/D that computing machine 1 is declared the bar code article, promptly enters to go back the thing normal running program of disannuling a call: to P0 and bar code number internal memory clear 0; Send and pass through signal.If exceed error range, computing machine changes alert program over to, provides alarm prompt and shows the difference of P1-P0, handles for the supvr, and after disposing, the supvr can send clear instruction by computer keyboard, and computing machine is promptly to P0 and bar code number internal memory clear 0.To no bar code books, can import book cataloging number by keyboard, replace the books bar code, all the other are identical.

Owing to adopted technique scheme, the utlity model has simple in structure, identification accurately and application mode advantage flexibly, both can use separately, also management system can be formed, other places such as storehouse management, article keeping, product detection and weight encode false-proof can be widely used in original identification function.

(4), description of drawings

Description of drawings of the present utility model is as follows:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the internal circuit configuration synoptic diagram of the weight detector in the utility model.

Among the figure: 1. computing machine; 2. article bar-code reader; 3. weight detector; 4. keyboard; 5. measured object; 6. weight sensor; 7. multichannel analog switch; 8. high-precision meter amplifier; 9. high-speed a/d converter ic; 10.89C51 microprocessor.

(5), embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

As shown in Figure 1, the utility model includes computing machine 1, article bar-code reader 2, weight detector 3 and keyboard 4, weight detector 3 is connected with computing machine 1 by data cable or wireless data transmission device, and bar-code reader 2 is connected with computing machine 1 by data cable.

In the utility model, weight detector can be existing commercially available prod, is the electronic scales of MSX-155 as model, also can be custom-designed voluntarily Weight detecting device, as shown in Figure 2.The utility model is like this work: after the supvr is read in computing machine 1 with article bar-code reader 2 with the bar code number ISBN X of measured object 5 (books in this way), these books 5 are placed on the weight detector 3, weight detector can be measured its weight P1 automatically and send in the computing machine 1 by data cable or wireless data transmission device again.After computing machine receives measured object 5 bar code ISBN X, actual measurement weight data P1, show 12 barcode datas of its bar code ISBN X and survey the weight data value by display.Computing machine 1 will be checked its weight P0 internal memory situation according to barcode number: if internal storage data P0=0, then preserving this weight data P1 is P0 and bar code number ISBN X, and this moment, measured object 5 was for public use, entered registration procedure for public use subsequently.If internal memory weight data P0 ≠ 0, measured object 5 just calls P0 and compares with existing measured value P1 for giving back at this moment.As P1-P0=0 or in ± 1 permissible error scope, computing machine 1 is declared bar code article 5 and is the original and N/D, promptly enters to go back the thing normal running program of disannuling a call: to P0 and bar code number internal memory clear 0; Send and pass through signal.If exceed error range, computing machine 1 changes alert program over to, provides alarm prompt and shows the difference of P1-P0, handles for the supvr, and after disposing, the supvr can send clear instruction by computer keyboard 4, and computing machine 1 is promptly to P0 and bar code number internal memory clear 0.To no bar code books, can import book cataloging number by keyboard, replace the books bar code, all the other are identical.

Shown in Figure 2, it is the circuit theory diagrams that design voluntarily, this weight detector is to be made of high precision strain-type weight sensor 6 (authorized pressure≤10KG, precision 0.01%), multichannel analog switch 7, high-precision meter amplifier 8 (linear error≤0.003%), high-speed a/d converter ic 9 (24) and 89C51 microprocessor 10.This system can measure its weight in 0.5 second after article are put the weight detector table top, the duplicate measurements error of same article is ± 1 gram.This circuit specific design parameter can be referring to relevant " device handbook.Wherein it should be noted:

(1) for satisfying the actual needs that article can carry out weight detecting in many places, guarantee each channel data uniformity of treatment simultaneously, in accompanying drawing 2, be provided with multichannel analog switch MUX, by it same data processing circuit is connected respectively with two weight sensors, under the control of 89C51 microprocessor, realizes the weight data acquisition time.

(2) in order to adapt to the configuration variance of different user computer peripheral equipment, partly adopt the different structure form of external independence integrated circuit board and built-in computer bus data collecting card in the accompanying drawing 2 in the frame of broken lines respectively.

(3) concrete application of the present utility model is not limited to above illustrative ranges, but can adopt the out of Memory data (as the time according to managerial demand, get thing voucher number etc.) to article code, adopt various other systems to form modes (as gamma camera+computing machine etc.) to be widely used in item circulation, sell, cashier's management place, and product detects automation field automatically.

Claims

1. an article check weighing original is differentiated protective device; it is characterized in that: include computing machine (1), article bar-code reader (2), weight detector (3) and keyboard (4); weight detector (3) is connected with computing machine (1) by data cable or wireless data transmission device, and bar-code reader (2) is connected with computing machine (1) by data cable.