CN202257233U - System for managing packaging line of bagged cement - Google Patents
System for managing packaging line of bagged cement Download PDFInfo
- Publication number
- CN202257233U CN202257233U CN2011203529004U CN201120352900U CN202257233U CN 202257233 U CN202257233 U CN 202257233U CN 2011203529004 U CN2011203529004 U CN 2011203529004U CN 201120352900 U CN201120352900 U CN 201120352900U CN 202257233 U CN202257233 U CN 202257233U
- Authority
- CN
- China
- Prior art keywords
- controller
- counter
- card
- write line
- read write
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- General Factory Administration (AREA)
Abstract
The utility model discloses a system for managing a packaging line of bagged cement. The system comprises an upper computer centralized control system, a counter controller, a data acquisition system, a display system, an execution mechanism, an integrated circuit (IC) card, an IC card reader-writer and a data exchanger, wherein a communication end of the IC card reader-writer is in wired connection with an IC card communication end of the upper computer centralized control system; a wired communication end of the data exchanger is in wired connection with a data communication end of the upper computer centralized control system, and a wireless communication end of the data exchanger is in wireless connection with the wireless communication end of the counter controller; a signal output end of the data acquisition system is in wired connection with a data acquisition signal input end of the counter controller; a counter information output end of the counter controller is in wireless connection with a signal input end of the display system; and a control signal output end of the counter controller is in wired connection with the signal input end of the execution mechanism. The system for managing the packaging line of the bagged cement has the advantages that: the IC card and a wireless transmission technology are applied to delivery management of the bagged cement for the first time; and labor production rate and economic benefits are improved.
Description
Technical field
The utility model relates to a kind of sack cement pack-thread management system, relates in particular to a kind of to carrying out system management between client and all departments and counting accurate, the reliable sack cement pack-thread management system of transmission.
Background technology
Along with increasing of cost of labor; Present most of manufacture of cement producer has all accomplished by the get on the bus transformation of sack cement automatic loading of cement bag storehouse, manual work; But aspect counting, or be, count inaccurate and do not catch up with the efficient of automatic loading with original method people number number; Adopt some simple counting equipments; Have only quantity record and Presentation Function; And do not have the on-the-spot function of crucial control, the scene is not transformed, thereby cause in the market demand during busy season according to the characteristics of equipment; Delivery is on-the-spot in utter disorder, occur often shutting down, stifled bag even traffic congestion, with phenomenons such as the driver disputes over trifles.
Such as; JKF series sack cement smart load control system by the grand Science and Technology Ltd. of heap of stone in Kunming exploitation and composition; Realized the packing shop robotization to a certain extent; Comparing with simple counting equipment, improved packaging efficiency largely, reduced cost, is reasonable in the present sack cement pack-thread management system.Following brief introduction is its principle of work once: (1) design proposal: adopt the centralized control system based on the PLC+ host computer; Relief cylinder and relay control; Realizing automatic switchover entrucking passage, show with the LED giant-screen, is data sampling mechanism with correlation type photoelectric sensor; Be equipped with video monitoring system can monitor scene, photologging in real time, overall process realizes computation, computer controlled automatic.(2) system's characteristics: a, data storage, inquiry and form: can store and reach the historical shipped quantity record in 10 years; Can be per year or month day or order of classes or grades at school or car plate inquiry, and generate corresponding report automatically according to the querying condition statistics.B, communication interface (optional); Connect management information system in enterprise.C, video monitoring (optional); Need not unload when deviation occurring and just can check quantity, also can prevent the violation operation between delivery person and driver.
Realize principle and solution according to the JKF series of products, in conjunction with the actual demand of present sack cement manufacturing enterprise, there is following defective in it:
(1), this system only pays attention to packing usage site intelligent management; The effective intelligent management that lacks required other department information of delivery (like weighbridge office, sales department, treasurer's department etc.); Also, might cause delivery management out of control not to client and interdepartmental system management.
(2), PLC system and host computer adopt bus communication system, is subject to abominable working environment (like strong jamming etc.) influence, causes communication smooth or make mistakes.
(3), the field enumeration controller adopts the PLC system, though workflow is simple and easy to control, can't realize accurate counting, its error rate is bigger.
Summary of the invention
The purpose of the utility model provides a kind of to carrying out system management between client and all departments and counting accurate, the reliable sack cement pack-thread management system of transmission with regard to being in order to address the above problem.
The utility model is realized above-mentioned purpose through following technical scheme:
The utility model comprises host computer centralized control system, counter-controller, data acquisition system (DAS), display system, topworks, IC-card, IC-card read write line and data exchange unit; The IC-card communication ends wired connection of the communication ends of said IC-card read write line and said host computer centralized control system; The data communication end wired connection of the wire communication end of said data exchange unit and said host computer centralized control system; Wireless connections between the radio communication end of said data exchange unit and the radio communication end of said counter-controller; The data acquisition signal input end wired connection of the signal output part of said data acquisition system (DAS) and said counter-controller; The count information output terminal of said counter-controller and the signal input part wireless connections of said display system, the signal input part wired connection of the control signal output ends of said counter-controller and said topworks.
When entering factory, the client gets the IC-card of a data zero clearing in the entrance guard chamber; And through weighbridge office when (going into factory) by IC-card read write line record, then, the Shipping Information that the client handles between each department is distributed in the IC-card read write line institute record of all departments; So; With IC-card and IC-card read write line is tie, can client and interdepartmental relationship record got off and stores the host computer centralized control system into, through LAN or internet; The managerial personnel of being convenient to collect the control center understand, inquire about, preserve these records, realize modern workflow management.So promptly avoided traditionally on paper transmit information unreliability (as easily damaged, be prone to fake, be prone to lose, difficult revise etc.), realized management automated closed-loop related (if lack certain department information, native system is refused work, stops human intervention) again.
Between data exchange unit and the counter-controller, all adopt radio communication to be connected between counter-controller and the display system; Realize wireless transmit and reception; Be particularly suitable in strong interference environments such as industrial circle, using; (receive on every side that electric circumstance disturbs, data transmission is unreliable to have avoided the shortcoming of information wire transmission; On-the-spot installation need not be connected up); The field enumeration controller adopts the circulation error correction and detection coding techniques that interweaves through the data transmission between data exchange unit and host computer, and filtering mistake and deceptive information have automatically guaranteed the accuracy of data.
Particularly, said IC-card read write line comprises entrance guard's IC-card read write line, weighbridge office IC-card read write line, sales department's IC-card read write line, Finance Department's IC-card read write line, production department's IC-card read write line and management department's IC-card read write line.In the use; The client is after blank IC-card is got in the entrance guard chamber; Successively, accomplish the workflow of once delivering, in this process through weighbridge office IC-card read write line (going into factory), sales department's IC-card read write line, Finance Department's IC-card read write line, production department's IC-card read write line, weighbridge office IC-card read write line (dispatching from the factory), entrance guard's IC-card read write line; Each client's Shipping Information is by the IC-card read write line of corresponding department record and store the host computer centralized control system into, is convenient to the supvr and carries out modern management.Also customized other accomplished above-mentioned flow process in proper order.
Further, said counter-controller comprises several, and said data acquisition system (DAS) comprises several sensors, and the data acquisition signal input end of each said counter-controller is connected with the signal output part of one or more said sensors respectively.Number of sensors confirms that according to actual production conditions (for guaranteeing the accuracy of data acquisition, a plurality of sensor informations are gathered simultaneously can to install one to three such as a packaging production line; Automatically filtering error message); Accordingly, packaging production line of counter-controller is installed one, and these sensors are transferred to counter-controller with induced signal; Counter-controller will be given data exchange unit with this information transmission on the one hand; And be transferred to the host computer centralized control system via data exchange unit, and to give display system with this information transmission on the other hand, let the personnel in zone that display is installed can understand the current intelligence of each packaging production line in real time.
Further, said counter-controller is a singlechip controller, and its programming flexibly, strong anti-interference performance, counting be accurate.
Particularly, said display system comprises indoor display, outdoor display and hand-held display.It is very little that the communication link of total system is accepted the influence of geographical conditions like this.
Particularly, said topworks comprises switch cylinder mechanism, belt control gear and warning device; Said warning device comprises audio alarm and video alarm.
The beneficial effect of the utility model is:
Information transmission and modification between all departments' (like entrance guard, weighbridge office, sales department, Finance Department, workshop etc.) of (1) produce, delivery is required are accomplished through IC-card; Both avoided traditionally on paper transmit information unreliability (as easily damaged, be prone to fake, be prone to lose, difficult revise etc.); Realized that again the management automated closed-loop is related (if lack certain department information; Native system is refused work, stops human intervention);
(2) the field enumeration controller adopts SCM system, and programming flexibly, strong anti-interference performance, counting be accurate;
(3) data transmission between field enumeration controller and host computer adopts the error correction and detection coding techniques that interweaves that circulates, and filtering mistake and deceptive information are carried out wireless transmit and reception automatically, are particularly suitable in strong interference environments such as industrial circle, using.(receive on every side that electric circumstance disturbs, data transmission is unreliable to have avoided the shortcoming of information wire transmission simultaneously; On-the-spot installation need not be connected up).
To sum up, the utility model had both improved labour productivity and economic benefit of enterprises, made cement entrucking, delivery regularized operation again, the purpose of reached enterprise security, carrying out production strictly in line with rules and regulations; Also can be equipped with independently video monitoring system, accomplish the auxiliary monitoring of produced on-site.Through checking on probation; The satchel that the utility model is carried the multiple tracks pack-thread is continuously counted rate of accuracy reached to 100% simultaneously; Its ipc monitor is real-time, effective, errorless, and the host computer database information can and be reviewed through LAN or internet and department's realization Shipping Information Real-Time Sharing.
Description of drawings
Accompanying drawing is the system architecture diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
Shown in accompanying drawing; The utility model comprises host computer centralized control system, counter-controller, data acquisition system (DAS), display system, topworks, IC-card, IC-card read write line and data exchange unit; The IC-card communication ends wired connection of the communication ends of said IC-card read write line and said host computer centralized control system; The data communication end wired connection of the wire communication end of said data exchange unit and said host computer centralized control system; Wireless connections between the radio communication end of said data exchange unit and the radio communication end of said counter-controller; The data acquisition signal input end wired connection of the signal output part of said data acquisition system (DAS) and said counter-controller; The count information output terminal of said counter-controller and the signal input part wireless connections of said display system, the signal input part wired connection of the control signal output ends of said counter-controller and said topworks.
Shown in accompanying drawing, said IC-card read write line includes but not limited to entrance guard's IC-card read write line, weighbridge office IC-card read write line, sales department's IC-card read write line, Finance Department's IC-card read write line, production department's IC-card read write line, management department's IC-card read write line.
Shown in accompanying drawing, said counter-controller comprises several, and said data acquisition system (DAS) comprises several sensors, and the data acquisition signal input end of each said counter-controller is connected with the signal output part of one or more said sensors respectively.Number of sensors confirms that according to actual production conditions (for guaranteeing the accuracy of data acquisition, a plurality of sensor informations are gathered simultaneously can to install one to three such as a packaging production line; Automatically filtering error message); Accordingly, packaging production line of counter-controller is installed one, and these sensors are transferred to counter-controller with induced signal; Counter-controller will be given data exchange unit with this information transmission on the one hand; And be transferred to the host computer centralized control system via data exchange unit, and to give display system with this information transmission on the other hand, let the personnel in zone that display is installed can understand the current intelligence of each packaging production line in real time.
Shown in accompanying drawing, said counter-controller is a singlechip controller, and its programming flexibly, strong anti-interference performance, counting be accurate.
Shown in accompanying drawing, said display system includes but not limited to indoor display, outdoor display, hand-held display.It is very little that the communication link of total system is accepted the influence of geographical conditions like this.
Shown in accompanying drawing, said topworks comprises switch cylinder mechanism, belt control gear and warning device; Said warning device comprises audio alarm and video alarm.
In conjunction with accompanying drawing, various systemic-functions of the utility model and implement device thereof and method are following:
1, tally function: the sensor of on-site data gathering system and counter-controller absorb the disturbing pulse on bag of cement and the travelling belt automatically from the motion tracking line speed, and Intelligent Recognition connects bag, reaches accurate counting.
2, control function: when entrucking quantity reaches when answering entrucking quantity, the field enumeration controller is exported one group of switch controlling signal (5A), as stopping the signal that pack-thread is carried, can directly realize automatic control with the secondary line of pack-thread.(as controlling packet installation stop, travelling belt stops, switch cylinder action etc.).
3, warning function: when entrucking quantity differs 20 whens bag report to the police (flicker of entrucking quantity on the display screen, the controller of field enumeration simultaneously sound and light alarm) with answering entrucking quantity; The sensor states that detects data acquisition system (DAS) when counter-controller is unusual, the corresponding pilot lamp flicker in ipc monitor system software interface.
4, Presentation Function: the field enumeration device is controlled built-in digital display screen, and the confession scene is closely checked; Wireless external outdoor LED display supplies the entrucking client to check at a distance; The wireless handheld display supplies the delivery personnel to check at a distance.
5, PC control function: many field enumeration controllers and host computer are through the data exchange unit wireless connections; Monitoring software through being installed on the host computer is controlled many field enumeration controllers in real time, accomplishes that really the people just can realize the cement delivery management in comprehensive control chamber; And all production informations on every line of host computer monitoring software automatic time storage can supply permanent the preservation and inquiry.
6, IC-card management function: the required all departments information of delivering really realizes the rigorous closed loop of delivery management through IC-card read-write and transmission.
7, network monitoring function: host computer database information and all departments are shared through LAN or internet.
In conjunction with accompanying drawing, the concrete structure of each device of the utility model is following:
1, IC-card read write line:
Read/write card unit mainly is made up of the IC-card module for reading and writing.Control module will read in the IC-card read-write software of passing on the PC through RS232 after the information processing from the IC-card of read/write card unit and show; Also can this information be write IC-card with passing to read/write card unit after the information processing that writes through the read-write of the IC-card on PC software.This subsystem is mainly accomplished administrative authority and is made all the other division management cards, and required the writing of information of all departments' (weighbridge office, sales department, Finance Department, workshop) and reading in of other department informations of delivery.
2, LED display:
The Data Receiving unit mainly is made up of wireless data transmission module, and display unit is made up of several LED displays.Control module will information processing from the Data Receiving unit after, pass to display unit and show.This subsystem is mainly accomplished the real-time demonstration of on-the-spot entrucking information.
3, data exchange unit:
Data transmission/receiving element mainly is made up of wireless data transmission module.The required required TTL information of RS232 information and date transmitter/receiver unit of host computer is accomplished conversion through the exchanges data unit.This subsystem is mainly accomplished RS232 and Transistor-Transistor Logic level conversion.
4, counter-controller
Sensor is an optoelectronic switch, and data transmission/receiving element mainly is made up of wireless data transmission module, and display unit is made up of several charactrons, and the external progress of work shows, control module is made up of several relays.The real-time sensor-lodging of control module changes and handles, and process information is passed to display unit and shown, passes to the host computer processes and displays through data transmission/receiving element simultaneously.Host computer reads in information according to IC-card, and control information is passed to control module through data transmission/receiving element, accomplishes field control.The user can show through the external progress of work, the external sound and light alarm device of relay or the secondary control module of control module, accomplishes the prompting of the field control and the progress of work.This subsystem mainly accomplish on-the-spot entrucking control, entrucking information real-time demonstration and with the message exchange of host computer.
In conjunction with accompanying drawing, advancing factory's delivery of cargo with the client is example, and the flow process of the utility model in application process is:
1. the client enters factory: the entrance guard gets the chamber blank common IC-card;
2. weighbridge office (entering factory) weighs: weighbridge office is write the client and is advanced factory's information (advancing factory's numbering, license plate number, tare weight etc.) and go into IC-card;
3. sales department handles the delivery of cargo formality: read weighbridge office on the IC-card (the entering factory) information of weighing, after cross-check information was errorless, sales department write the delivery of cargo information (kind, quantity, customer number, delivery of cargo people etc.) that the client handles and goes into IC-card;
4. Finance Department handles and hands over the money formality: read sales department's delivery of cargo information, after cross-check information was errorless, according to kind input unit price, computed in software went out the amount of money, and gathering is again write Finance Department and handed over money information (" having handed over money " sign, but expression entrucking) to go into IC-card;
5. workshop loading: car is reached the parking lot, and the queuing of swiping the card to the Shop floor control chamber is read entrucking information (kind, quantity, license plate number) and is gone into IC-card, arranges the entrucking track.If " having handed over money " sign is invalid, prompting " do not hand over money as yet, can not line up ".The workshop trestle work combine control computer in real time with entrucking, queueing message (license plate number, adorn quantity, should adorn quantity) dynamically be shown on the on-the-spot LED screen of entrucking, and data are preserved with the form of database in real time.
6. weighbridge office (dispatching from the factory) weighs: the vehicle of having accomplished entrucking reaches weighbridge office (dispatching from the factory) and weighs; Read entrucking information (kind, quantity, license plate number) and go into IC-card; After cross-check information is errorless; Write the weighbridge office information of weighing (" weighing " sign, keep license plate number, other information in the deletion card) of dispatching from the factory and go into IC-card;
7. the client is dispatched from the factory: read IC-card to the entrance guard chamber, show to confirm that license plate number, the errorless back of " weighing " sign press acknowledgement key (all information in the deletion card), receive the card clearance.If do not have " weighing " sign, will not let pass.
Claims (7)
1. sack cement pack-thread management system; It is characterized in that: comprise host computer centralized control system, counter-controller, data acquisition system (DAS), display system, topworks, IC-card, IC-card read write line and data exchange unit; The IC-card communication ends wired connection of the communication ends of said IC-card read write line and said host computer centralized control system; The data communication end wired connection of the wire communication end of said data exchange unit and said host computer centralized control system; Wireless connections between the radio communication end of said data exchange unit and the radio communication end of said counter-controller; The data acquisition signal input end wired connection of the signal output part of said data acquisition system (DAS) and said counter-controller; The count information output terminal of said counter-controller and the signal input part wireless connections of said display system, the signal input part wired connection of the control signal output ends of said counter-controller and said topworks.
2. sack cement pack-thread management system according to claim 1 is characterized in that: said IC-card read write line comprises entrance guard's IC-card read write line, weighbridge office IC-card read write line, sales department's IC-card read write line, Finance Department's IC-card read write line, production department's IC-card read write line and management department's IC-card read write line.
3. sack cement pack-thread management system according to claim 1; It is characterized in that: said counter-controller comprises several; Said data acquisition system (DAS) comprises several sensors, and the data acquisition signal input end of each said counter-controller is connected with the signal output part of one or more said sensors respectively.
4. according to claim 1 or 3 described sack cement pack-thread management systems, it is characterized in that: said counter-controller is a singlechip controller.
5. sack cement pack-thread management system according to claim 1, it is characterized in that: said display system comprises indoor display, outdoor display and hand-held display.
6. sack cement pack-thread management system according to claim 1, it is characterized in that: said topworks comprises switch cylinder mechanism, belt control gear and warning device.
7. sack cement pack-thread management system according to claim 6, it is characterized in that: said warning device comprises audio alarm and video alarm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203529004U CN202257233U (en) | 2011-09-20 | 2011-09-20 | System for managing packaging line of bagged cement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203529004U CN202257233U (en) | 2011-09-20 | 2011-09-20 | System for managing packaging line of bagged cement |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202257233U true CN202257233U (en) | 2012-05-30 |
Family
ID=46118447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011203529004U Expired - Fee Related CN202257233U (en) | 2011-09-20 | 2011-09-20 | System for managing packaging line of bagged cement |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202257233U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102854863A (en) * | 2012-09-17 | 2013-01-02 | 唐山任氏水泥设备有限公司 | Intelligent loading and controlling system for sacked cement |
CN103019184A (en) * | 2012-11-22 | 2013-04-03 | 江苏新街南方水泥有限公司 | Informationized cement production management system |
CN103679415A (en) * | 2013-11-14 | 2014-03-26 | 四川航天世都制导有限公司 | One-card logistics management system and method |
CN105652847A (en) * | 2016-03-31 | 2016-06-08 | 连云港职业技术学院 | Control system for automatically counting quantity and production data of zipper packages |
CN115009880A (en) * | 2022-06-30 | 2022-09-06 | 宁夏赛马水泥有限公司 | Automatic conveying system for bagged cement |
-
2011
- 2011-09-20 CN CN2011203529004U patent/CN202257233U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102854863A (en) * | 2012-09-17 | 2013-01-02 | 唐山任氏水泥设备有限公司 | Intelligent loading and controlling system for sacked cement |
CN103019184A (en) * | 2012-11-22 | 2013-04-03 | 江苏新街南方水泥有限公司 | Informationized cement production management system |
CN103679415A (en) * | 2013-11-14 | 2014-03-26 | 四川航天世都制导有限公司 | One-card logistics management system and method |
CN103679415B (en) * | 2013-11-14 | 2016-05-11 | 四川航天世都制导有限公司 | All-purpose card logistic management system and method |
CN105652847A (en) * | 2016-03-31 | 2016-06-08 | 连云港职业技术学院 | Control system for automatically counting quantity and production data of zipper packages |
CN115009880A (en) * | 2022-06-30 | 2022-09-06 | 宁夏赛马水泥有限公司 | Automatic conveying system for bagged cement |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202257233U (en) | System for managing packaging line of bagged cement | |
CN105005289B (en) | A kind of industrial platform of internet of things | |
CN109377145B (en) | Intelligent commodity distribution management system | |
CN202757669U (en) | Automatic weighing management system for automobile silo loading with quantitative coal | |
AU2013272940C1 (en) | Gas demand prediction system and gas demand prediction method | |
CN101763079A (en) | Comprehensive metering control system for coaler of coal mine | |
CN101201890A (en) | Wireless intelligent management system for managerial personnel vehicle | |
NZ568451A (en) | Parking system employing remote asset management techniques | |
US20100332294A1 (en) | Method and systems for monitoring machine and operator productivity and profitability | |
CN102346933A (en) | Distributed embedded automatic vending machine system | |
CN103646312A (en) | Public bicycle information reading method based on two-dimension code | |
CN104240309A (en) | Vehicle management and control system | |
CN203163853U (en) | Automatic weighing management system | |
CN110837625A (en) | Port operation control method and device | |
CN111445171A (en) | Production management system for port based on information technology | |
CN103679415B (en) | All-purpose card logistic management system and method | |
CN212871437U (en) | Intelligent weighing terminal | |
CN205879328U (en) | Weigh structure with payment function | |
Matičević et al. | RFID and supply chain management for manufacturing digital enterprise | |
KR100584903B1 (en) | System for real time controlling driving data of power plant | |
CN201721981U (en) | Automatic vehicle loading system of tube cabin | |
CN202120355U (en) | Distribution embedded vending machine system | |
WO2014006910A1 (en) | Gas supply stop instruction system and gas supply stop instruction method | |
CN103077449A (en) | Wireless data acquisition handset and electronic waybill system | |
CN211403461U (en) | Logistics tracking sale system based on radio frequency identification technology |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160920 |