CN103164824A - Check machine system and method for improving check machine system accuracy - Google Patents
Check machine system and method for improving check machine system accuracy Download PDFInfo
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- CN103164824A CN103164824A CN2011104145487A CN201110414548A CN103164824A CN 103164824 A CN103164824 A CN 103164824A CN 2011104145487 A CN2011104145487 A CN 2011104145487A CN 201110414548 A CN201110414548 A CN 201110414548A CN 103164824 A CN103164824 A CN 103164824A
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Abstract
The invention provides a check machine system and a method for improving check machine system accuracy. The check machine system comprises a radio frequency identification device (RFID) identification module, a weighing module, a database server which stores related information of to-be-checked medicines and a control module which is arranged between the RFID identification module and the database server, wherein the control module is used for receiving the identity information of the to-be-checked medicines and searching in the database server to obtain corresponding single medicine weight, and at the same time the control module is also arranged between the weighing module and the database server to be used for receiving total weight obtained by the weighing module and calculating the quantity of the to-be-checked medicines according to the total weight and the single medicine weight. Compared with the prior art, according to the check machine system, through the facts that weight reading amount of a balance is collected continuously and unstable values are eliminated, an average weight is obtained after sufficient stable values are obtained, the quantity of current to-be-checked medicines is accurately calculated, and thus the precision of the medicine check system is greatly improved.
Description
Technical field
The present invention relates to the goods checking field, relate in particular to a kind of high-precision medicine method that machine system and lifting make an inventory the machine system accuracy of making an inventory that has.
Background technology
In pharmacy, hospital now, for convenient supply and the behaviour in service of understanding medicine, need regularly to the work of making an inventory of the medicine in the pharmacy, at large, in each field, machine make an inventory with its fast and accurately advantage replaced to a great extent at present manually making an inventory.Usually, machine is made an inventory and is mostly adopted the principle of weighing, at first by weighing, the single medicine box of all different types of medicines in the pharmacy or the weight of medicine are measured, just medicine weighed draw general assembly (TW) in batch afterwards, both are divided by just can draw the quantity of medicine, and this is also the way that generally adopts in the industry.
Yet because the singularity of medicine, so country is also very high for the accuracy requirement of the aspect of making an inventory of medicine, the deviation of permission is also very little, causes the medicine precision of making an inventory not high in case deviation is crossed stool.
Therefore, be necessary to provide a kind of new medicine check system with the lifting precision of making an inventory.
Summary of the invention
The object of the present invention is to provide a kind of machine system of making an inventory, its by constantly gathering day chessboard weight readings and reject wherein unsettled value, thereby improve the degree of accuracy of medicine check system.
Another goal of the invention of the present invention is to provide a kind of method that said system promotes the machine system degree of accuracy of making an inventory of using.
For achieving the above object, a kind of machine system of making an inventory provided by the invention, comprise: RFID identifies module, comprises rfid interrogator and is located at RFID label on medicine to be made an inventory, and the identity information of described rfid interrogator identification medicine described to be made an inventory also sends in the control module; The module of weighing is used for taking the general assembly (TW) of medicine described to be made an inventory and sending to the control module; Database server, storage remain the relevant information of inventory pharmaceuticals; Control module, be arranged between described RFID identification module and database server, be used for receiving the identity information of medicine described to be made an inventory, and search to obtain corresponding single drug weight in described database server; This module also is arranged at described weighing between module and database server simultaneously, is used for receiving the general assembly (TW) that the described module of weighing obtains, and calculates Quantity of drugs described to be made an inventory according to described general assembly (TW) and described single drug weight; And power module, be used for to each module for power supply.
As a further improvement on the present invention, described Weighing module comprises a LOAD CELLS and an analog-to-digital conversion module, described LOAD CELLS obtains the simulating signal corresponding to weight of medicine current to be made an inventory, and described analog-to-digital conversion module is converted into digital signal with described simulating signal.
As a further improvement on the present invention, described simulating signal comprises voltage signal or current signal.
As a further improvement on the present invention, described control module comprises a terminal PC and a touch-screen.
As a further improvement on the present invention, described power module is an accumulator.
As a further improvement on the present invention, described power module also comprises a voltage detection unit, and it is for detection of described storage battery energy value and reminding user charging when the power shortage.
As a further improvement on the present invention, described weighing communicates by RS232 between module and described control module, also communicates by RS232 between described rfid interrogator and control module.
For realizing another goal of the invention of the present invention, the make an inventory method of machine degree of accuracy of a kind of lifting that provides comprises the steps: to identify the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug; Medicine described to be made an inventory is weighed; Record the drug weight value under some steady state (SS)s, and try to achieve the average weight of medicine described to be made an inventory; Know the quantity of medicine described to be made an inventory according to described average weight and single drug weight.
As a further improvement on the present invention, the step of described " identifying the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug " specifically comprises: read the RFID label of medicine to be made an inventory to obtain the identity information of medicine to be made an inventory; Search the medicine information database; Match the single drug weight corresponding with current identity information.
Compared with prior art, the present invention also rejects wherein unsettled value by the weight readings that constantly gathers day chessboard, try to achieve an average weight after obtaining enough stationary values repeatedly, thereby calculate comparatively exactly the quantity of medicine current to be made an inventory, so make the degree of accuracy of medicine check system greatly promote.
Description of drawings
Fig. 1 is the fundamental diagram of machine system of making an inventory in an embodiment of the present invention;
Fig. 2 promotes the workflow diagram of the method for the machine degree of accuracy of making an inventory in an embodiment of the present invention;
Fig. 3 is the process flow diagram of the concrete steps of step S1 in embodiment shown in Figure 2;
Fig. 4 measures the workflow diagram of single drug weight in embodiment shown in Figure 2;
Fig. 5 treats the medicine of the making an inventory process flow diagram of work of making an inventory in embodiment shown in Figure 2.
Embodiment
Describe the present invention below with reference to embodiment shown in the drawings.But these embodiments do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these embodiments, method or function all is included in protection scope of the present invention.
As shown in Figure 1, in the present embodiment, a kind of machine system of making an inventory is used for medicine is made an inventory, and it comprises: RFID identification module, the module of weighing, database server, control module and power module.
Wherein, RFID identifies module, comprises rfid interrogator 102 and is located at intelligent medicine box 101(medicine to be made an inventory) upper RFID label (not shown), intelligent medicine box is used for identification medicine box ID automatically, holds medicine.Described rfid interrogator is identified at a distance the identity information (ID) of medicine to be made an inventory by radio frequency and is sent to and controls in module; Preferably, rfid interrogator is communicated by letter with the control module by the RS232 interface.RS232 is the EIA(Electronic Industry Association of EIA) a kind of serial physical interface standard of formulating.RS is the abbreviation of English " proposed standard ", and 232 is identification number, and the RS232 bus standard is provided with 25 signal line, comprises a main channel and an accessory channel.
The module of weighing is used for taking the general assembly (TW) of medicine described to be made an inventory and sending to the control module; Weighing module comprises a LOAD CELLS (LOADCELL) 104 and an analog-to-digital conversion module (MCU﹠amp; The AD conversion) 105, LOAD CELLS is divided into 8 classes such as photo-electric, fluid pressure type, electromagnetic type, condenser type, magnetic pole deformation type, oscillatory type, gyro ceremony, resistance-strain type by conversion method, use the widest with resistance-strain type.LOAD CELLS (LOADCELL) 104 obtains the simulating signal corresponding to weight of medicine current to be made an inventory, and described analog-to-digital conversion module is converted into digital signal with described simulating signal.Preferably, simulating signal comprises voltage signal or current signal.Analog-to-digital conversion module (MCU﹠amp; The AD conversion) 105 communicate by letter with the control module by the RS232 interface equally.
Power module is used for to each module (rfid interrogator 102, LOADCELL104, MCU﹠amp; AD conversion 105) power supply, described power module is preferably an accumulator 103, and described power module also comprises a voltage detection unit (MCU voltage detecting) 108, and it is for detection of described storage battery energy value and reminding user charging when the power shortage.Voltage detection unit (MCU voltage detecting) 108 is communicated by letter with the control module by the RS232 interface equally.
Fig. 2 is to Figure 5 shows that the present invention promotes the make an inventory preferred implementation of method of machine degree of accuracy of medicine, at first joins shown in Figure 2ly, and in the present embodiment, a kind of described make an inventory method of machine degree of accuracy of medicine that promotes comprises the steps:
S1, identify the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug; Because the required medicament categories of making an inventory of hospital is various, so at first the work of making an inventory be the kind of such medicine of identification.As shown in Figure 3, wherein, preferably, the step of described " identifying the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug " specifically comprises:
S11, read the RFID label of medicine to be made an inventory to obtain the identity information of medicine to be made an inventory; As the present invention's embodiment preferably, employing RFID(radio-frequency (RF) identification) technology is identified the kind of medicine, specifically to stick in advance the RFID label on the medicine box of medicine or medicine bottle, when making an inventory, system only need to read the identity information that the RFID label just can this medicine of automatic acquisition by the RFID recognizer;
S12, search the medicine information database; Wherein, this database need be stored the identity information of whole pharmacy medicine and the drug information that is complementary with identity information in advance, such as: the weight of tank farm stock, make an inventory record, single medicine, volume, etc. information.
Join shown in Figure 4ly, the obtaining step of described single drug weight is specially:
The medicine of choosing a load quantity is put in a day chessboard and weighs; The medication amount of choosing in principle is larger, and precision is also just higher, preferably, in the present embodiment, only needs quantity of sampling quantity K just can satisfy accuracy requirement (step S301) greater than 20.
The weight readings (step S302) of continuous acquisition sky chessboard; Wherein, after medicine was put day chessboard, the controller on day chessboard can send at set intervals a current weight readings and go out, and this action is continuously.
Whether the weight readings that judges current collection stablizes (step S303), if current weight readings is recorded (step S305) as valid data; If not, reject current weight readings (step S304); Wherein, such determining step can circulate N time (ginseng diagram).
Obtain several effective drug weight values, the end data collection; The effective weight readings that obtains can be designated as: M1, M2 ... Mn.
At last, calculate single drug weight and being stored in the medicine information database.Particularly, pass through computing formula: MA=(M1+M2+ ... + Mn)/(K+N), wherein, MA represents the single drug weight of certain kind.The result of this measurement obtains by the value under the steady state (SS) of repeatedly getting day chessboard, its error size can effectively be controlled at ± 0.2% in.
S13, match the single drug weight corresponding with current identity information.Single drug weight namely comprises the weight of the finished product of packing (medicine box, medicine bottle), about this single drug weight national standard error for be not less than ± 0.4%, error is less, the operating error of making an inventory of medicine afterwards is also just less.
S2, medicine described to be made an inventory is weighed; Preferably, adopt originally making an inventory of weighing in present embodiment, the device of weighing can be electronics sky chessboard.Medicine to be made an inventory can be medicine box or the medicament of any amount.
S3, record the drug weight value under some steady state (SS)s, and try to achieve the average weight of medicine described to be made an inventory;
With reference to Fig. 5, in the present embodiment, the step of described " recording the drug weight value under some steady state (SS)s " specifically comprises:
The weight readings (step S402) of continuous acquisition sky chessboard; Before this, need medicine to be made an inventory (quantity is indefinite) is placed in (step S401) on day chessboard, wherein, after medicine was put day chessboard, the controller on day chessboard can send at set intervals a current weight readings and go out, and this action is continuously.
Whether the weight readings that judges current collection stablizes (step S403), if current weight readings is recorded (step S405) as valid data; If not, reject current weight readings (step S404); Wherein, such determining step can circulate Y time (ginseng diagram).
Obtain several effective drug weight values, the end data collection.The effective weight readings that obtains can be designated as: M10, M20 ... Mn0.
S4, know the quantity of medicine described to be made an inventory according to described average weight and single drug weight.Particularly, pass through computing formula: Num=(M10+M20+ ... + Mn0)/(MA+Y), wherein, MA represents the single drug weight that records in above-mentioned steps, Num represents the quantity of medicine to be made an inventory.The Quantity of drugs of so making an inventory and obtaining, its error size can effectively be controlled at ± 0.2% in.
Compared with prior art, the present invention also rejects wherein unsettled value by the weight readings that constantly gathers day chessboard, try to achieve an average weight after obtaining enough stationary values repeatedly, thereby calculate comparatively exactly the quantity of medicine current to be made an inventory, so make the degree of accuracy of medicine check system greatly promote.
The application can describe in the general context of the computer executable instructions of being carried out by computing machine, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can put into practice the application in distributed computing environment, in these distributed computing environment, be executed the task by the teleprocessing equipment that is connected by communication network.In distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
Be to be understood that, although this instructions is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent embodiment that skill spirit of the present invention does or change all should be included in protection scope of the present invention.
Claims (9)
1. the machine system of making an inventory, is characterized in that, this system comprises:
RFID identifies module, comprises rfid interrogator and is located at RFID label on medicine to be made an inventory, and the identity information of described rfid interrogator identification medicine described to be made an inventory also sends in the control module;
The module of weighing is used for taking the general assembly (TW) of medicine described to be made an inventory and sending to the control module;
Database server, storage remain the relevant information of inventory pharmaceuticals;
Control module, be arranged between described RFID identification module and database server, be used for receiving the identity information of medicine described to be made an inventory, and search to obtain corresponding single drug weight in described database server; This module also is arranged at described weighing between module and database server simultaneously, is used for receiving the general assembly (TW) that the described module of weighing obtains, and calculates Quantity of drugs described to be made an inventory according to described general assembly (TW) and described single drug weight; And
Power module is used for to each module for power supply.
2. the machine system of making an inventory according to claim 1, it is characterized in that, described Weighing module comprises a LOAD CELLS and an analog-to-digital conversion module, described LOAD CELLS obtains the simulating signal corresponding to weight of medicine current to be made an inventory, and described analog-to-digital conversion module is converted into digital signal with described simulating signal.
3. the machine system of making an inventory according to claim 2, is characterized in that, described simulating signal comprises voltage signal or current signal.
4. the machine system of making an inventory according to claim 1, is characterized in that, described control module comprises a terminal PC and a touch-screen.
5. the machine system of making an inventory according to claim 1, is characterized in that, described power module is an accumulator.
6. the machine system of making an inventory according to claim 5, is characterized in that, described power module also comprises a voltage detection unit, and it is for detection of described storage battery energy value and reminding user charging when the power shortage.
7. the machine system of making an inventory according to claim 1, is characterized in that, described weighing communicates by RS232 between module and described control module, and described rfid interrogator and controlling between module also communicates by RS232.
8. an application rights requires the 1 described machine system of making an inventory to promote the method for the machine degree of accuracy of making an inventory, and it is characterized in that, described method comprises the steps:
Identify the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug;
Medicine described to be made an inventory is weighed;
Record the drug weight value under some steady state (SS)s, and try to achieve the average weight of medicine described to be made an inventory;
Know the quantity of medicine described to be made an inventory according to described average weight and single drug weight.
9. method according to claim 8, is characterized in that, the step of described " identifying the kind of medicine to be made an inventory to obtain the single drug weight corresponding with this kind similar drug " specifically comprises:
Read the RFID label of medicine to be made an inventory to obtain the identity information of medicine to be made an inventory;
Search the medicine information database;
Match the single drug weight corresponding with current identity information.
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| CN2011104145487A CN103164824A (en) | 2011-12-13 | 2011-12-13 | Check machine system and method for improving check machine system accuracy |
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| CN2011104145487A CN103164824A (en) | 2011-12-13 | 2011-12-13 | Check machine system and method for improving check machine system accuracy |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104408545A (en) * | 2014-10-30 | 2015-03-11 | 江苏迅捷装具科技有限公司 | Medicine metering system and method |
| CN105329600A (en) * | 2015-11-20 | 2016-02-17 | 江苏人先医疗科技有限公司 | Intelligent counting medicine storage device as well as intelligent counting method and device |
| CN106017637A (en) * | 2016-04-13 | 2016-10-12 | 北京鹏泰互动广告有限公司 | Intelligent weighing system and consumables monitoring method |
| CN106959278A (en) * | 2017-03-16 | 2017-07-18 | 京东方科技集团股份有限公司 | drug monitoring device, system and method |
| CN109300265A (en) * | 2018-09-12 | 2019-02-01 | 河北戴斯特尼科技有限公司 | Unmanned Supermarket Management System |
| CN109549370A (en) * | 2018-12-05 | 2019-04-02 | 上海应用技术大学 | A kind of intelligent access device and its application method |
| CN109784461A (en) * | 2018-12-14 | 2019-05-21 | 信远德怡医疗科技（北京）有限公司 | Medicine counting device and method |
| CN110893986A (en) * | 2019-11-26 | 2020-03-20 | 南方医科大学南方医院 | Medicine bottle conveying device and implementation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104408545A (en) * | 2014-10-30 | 2015-03-11 | 江苏迅捷装具科技有限公司 | Medicine metering system and method |
| CN105329600A (en) * | 2015-11-20 | 2016-02-17 | 江苏人先医疗科技有限公司 | Intelligent counting medicine storage device as well as intelligent counting method and device |
| CN106017637A (en) * | 2016-04-13 | 2016-10-12 | 北京鹏泰互动广告有限公司 | Intelligent weighing system and consumables monitoring method |
| CN106959278A (en) * | 2017-03-16 | 2017-07-18 | 京东方科技集团股份有限公司 | drug monitoring device, system and method |
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| CN109300265A (en) * | 2018-09-12 | 2019-02-01 | 河北戴斯特尼科技有限公司 | Unmanned Supermarket Management System |
| CN109549370A (en) * | 2018-12-05 | 2019-04-02 | 上海应用技术大学 | A kind of intelligent access device and its application method |
| CN109784461A (en) * | 2018-12-14 | 2019-05-21 | 信远德怡医疗科技（北京）有限公司 | Medicine counting device and method |
| CN110893986A (en) * | 2019-11-26 | 2020-03-20 | 南方医科大学南方医院 | Medicine bottle conveying device and implementation method thereof |
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Application publication date: 20130619 |