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CN116755649B - Intelligent printing equipment data management system and method based on Internet of things - Google Patents

Intelligent printing equipment data management system and method based on Internet of things Download PDF

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Publication number
CN116755649B
CN116755649B CN202311022438.5A CN202311022438A CN116755649B CN 116755649 B CN116755649 B CN 116755649B CN 202311022438 A CN202311022438 A CN 202311022438A CN 116755649 B CN116755649 B CN 116755649B
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analog signal
discrete analog
signal line
diagram
printing
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CN116755649A (en
Inventor
杨兴中
黄利
周雨桐
张彦伟
谢府锦
郭东旭
戚元鹏
陈恩占
储晨
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Nanjing Kungfu Bean Information Technology Co ltd
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Nanjing Kungfu Bean Information Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1222—Increasing security of the print job
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G06F21/608—Secure printing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1238—Secure printing, e.g. user identification, user rights for device usage, unallowed content, blanking portions or fields of a page, releasing held jobs
    • 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
    • Y02P90/30—Computing systems specially adapted for manufacturing

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

The invention discloses an intelligent printing equipment data management system and method based on the Internet of things, and belongs to the technical field of data management. Constructing a data service cloud deck, marking the attribute rights of the sources of the printed files based on the enterprise department architecture, dividing the types of the printed files, and recording the data information of each type of the printed files; establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system to form a discrete analog signal line graph, and processing the discrete analog signal line graph according to the data information; dividing the continuous time interval of the discrete analog signal line graph, and converting the discrete analog signal line graph into a digital signal graph; generating an encrypted message, after the encrypted message is successfully decrypted and verified, sending a printing instruction, and updating the encrypted message irregularly; furthermore, the printing device is controlled and prevented from being attacked maliciously while the printing file of the enterprise is effectively protected.

Description

Intelligent printing equipment data management system and method based on Internet of things
Technical Field
The invention relates to the technical field of data management, in particular to a data management system and method of intelligent printing equipment based on the Internet of things.
Background
The system is an Internet of things, networking and informatization age, people pay more and more attention to personal privacy and enterprise information security no matter in daily life or work and study, and security protection measures for mobile phones and computers are endless. However, when most IT operation staff place the key point of enterprise information security on a PC, the seal equipment serving as a plurality of important document circulation hubs is often easily ignored by people, so that enterprises face various potential safety hazards, such as product quotations, financial reports, payroll, scheme marks, contracts and the like, and printing leakage events are not uncommon;
how to prevent leakage of print data is a problem to be solved.
Disclosure of Invention
The invention aims to provide an intelligent printing equipment data management system and method based on the Internet of things, which are used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
an intelligent printing equipment data management system based on the internet of things, the system comprises: the system comprises a data service holder module, a discrete analog signal line diagram analysis module, a digital signal diagram conversion module and an encryption and decryption module;
The data service cloud platform module is used for constructing a data service cloud platform, marking the source of the printed file by the aid of an enterprise department framework, dividing the type of the printed file according to the attribute mark, and recording the data information of each type of the printed file, wherein the data information comprises the number of the printed files uploaded to the data service cloud platform by the computer equipment and the time of each uploading;
the discrete analog signal line graph analysis module is used for establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
the digital signal diagram conversion module is used for dividing the discrete analog signal line diagram into continuous time intervals and converting the discrete analog signal line diagram into a digital signal diagram according to the division result;
the encryption and decryption module generates an encryption message according to the digital signal diagram, and sends a printing instruction after successful decryption verification of the encryption message; and according to the encrypted message, carrying out encryption protection on all file data of the enterprise, and carrying out unscheduled updating on the encrypted message.
Further, the data service cradle head module further comprises a generic token unit and a print file type dividing unit;
the ownership marking unit is used for constructing a data service cloud deck, marking the ownership of the source of the printed file based on the architecture of the enterprise department, and the ownership marking mode is as follows: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
the printing file type dividing unit divides the printing file types according to the attribute marks, wherein one department corresponds to one printing file type, and K printing file types are obtained in total according to the enterprise department architecture; recording each data service cloud platformData information of the type of the seed print file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded m times by 1,2 corresponding to the nth computer device, and DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Indicating the time of the mth upload.
Further, the discrete analog signal line graph analysis module further comprises a data mapping unit and an intersection point processing unit;
the data mapping unit is configured to establish a two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of print files, and a print information set SI is comprehensively configured according to a time sequence from first to last k All data information in the system is mapped in a two-dimensional coordinate system, and each coordinate point is sequentially connected to form a discrete analog signal line graph, and the discrete analog signal line graph is marked as D (SI) k )；
The intersection processing unit is used for processing the intersection point of the discrete analog signal line graph D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 For the horizontal line, mark the horizontal line y=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Respectively are provided withRepresents the time corresponding to the abscissa of the q intersections.
Further, the digital signal diagram conversion module further comprises a section dividing unit and a diagram conversion unit;
the section dividing unit divides the section according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) The time corresponding to the last coordinate point in the graph; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
the graph conversion unit is used for converting the graph into the graph D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of the continuous time interval, if TT is the continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the high-level signal segments in a two-dimensional coordinate system is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )。
Further, the encryption and decryption module further comprises a printing control unit and a data protection unit;
the printing control unit generates an encrypted message according to the digital signal diagram, and marks the encrypted message generated corresponding to the kth type of the printing file as EM k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; when the computer equipment sends a print file to the data service cloud deck, the type of the print file is locked through the IP of the computer equipment, an operator decrypts the encrypted message according to the type of the print file, the data service cloud deck feeds back the decrypted digital signal diagram and verifies the decrypted digital signal diagram, and after verification is successful, the data service cloud deck sends a print instruction;
the data protection unit encrypts and protects all file data of enterprises according to the encrypted message and performs unscheduled updating on the encrypted message.
A data management method of intelligent printing equipment based on the Internet of things comprises the following steps:
step S100: constructing a data service cloud deck, marking the source of a printing file by virtue of an enterprise department framework, dividing the type of the printing file according to the attribute mark, and recording the data information of each type of the printing file, wherein the data information comprises the number of the printing files uploaded to the data service cloud deck by computer equipment and the time of each uploading;
Step S200: establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
step S300: dividing the discrete analog signal line graph in a continuous time interval, and converting the discrete analog signal line graph into a digital signal graph according to a division result;
step S400: generating an encrypted message according to the digital signal diagram, and sending a printing instruction after the encrypted message is successfully decrypted and verified; and according to the encrypted message, carrying out encryption protection on all file data of the enterprise, and carrying out unscheduled updating on the encrypted message.
Further, the specific implementation process of the step S100 includes:
step S101: constructing a data service cloud platform, and marking the attribute rights of the source of the printed file based on the architecture of an enterprise department, wherein the attribute rights marking method comprises the following steps: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
Step S102: dividing the types of the printed files according to the rights label, wherein one department corresponds to one type of the printed files, and obtaining K types of the printed files according to the enterprise department architecture; the data service cloud deck records the data information of each type of printing file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded for m times by 1,2 corresponding to the nth computer deviceAnd DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Representing the time of the mth upload;
according to the method, the work functions of different departments of the enterprise are different, and the characteristics reflected on the file types are different, for example, the file types corresponding to the purchasing department are often product quotations, contracts and the like, the file types corresponding to the financial department are often financial data related to financial reports, the file types corresponding to the personnel department are often attendance records, payroll and the like, and the file types corresponding to the research and development department are often research and development materials, scheme labels and the like; the application is further based on different department architectures, divides file types, and combines computer equipment connected with printing equipment to upload the file types to a data service cloud deck through the internet of things technology so as to uniformly manage relevant printing data.
Further, the specific implementation process of the step S200 includes:
step S201: establishing a two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of the printed files, and the printing information set SI is comprehensively formed according to the sequence of time from first to last k All data information in the system is mapped in a two-dimensional coordinate system, and each coordinate point is sequentially connected to form a discrete analog signal line graph, and the discrete analog signal line graph is marked as D (SI) k )；
Step S202: in the discrete analog signal line diagram D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 For the horizontal line, mark the horizontal line y=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Time corresponding to the abscissa of the q intersections is indicated as 1, 2.
Further, the implementation process of the step S300 includes:
step S301: according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) The time corresponding to the last coordinate point in the graph;
in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals;
in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
step S302: in the discrete analog signal line diagram D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of the continuous time interval, if TT is the continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the ordinate of the high-level signal segments in the two-dimensional coordinate system corresponds toThe number of print files is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )。
Further, the specific implementation process of the step S400 includes:
Step S401: generating an encrypted message according to the digital signal diagram, and marking the encrypted message generated corresponding to the kth printing file type as EM (effective information) k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; when the computer equipment sends a print file to the data service cloud deck, the type of the print file is locked through the IP of the computer equipment, an operator decrypts the encrypted message according to the type of the print file, the data service cloud deck feeds back the decrypted digital signal diagram and verifies the decrypted digital signal diagram, and after verification is successful, the data service cloud deck sends a print instruction;
step S402: and the data service cloud platform encrypts and protects all file data of the enterprise according to the encrypted message, and performs unscheduled updating on the encrypted message.
Compared with the prior art, the invention has the following beneficial effects: in the intelligent printing equipment data management system and method based on the Internet of things, a data service cloud deck is constructed, the enterprise department architecture is based, the sources of printing files are subjected to attribute marking, the types of the printing files are divided, and the data information of each type of printing file is recorded; establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system to form a discrete analog signal line graph, and processing the discrete analog signal line graph according to the data information; dividing the continuous time interval of the discrete analog signal line graph, and converting the discrete analog signal line graph into a digital signal graph; generating an encrypted message, after the encrypted message is successfully decrypted and verified, sending a printing instruction, and updating the encrypted message irregularly; furthermore, the printing device is controlled and prevented from being attacked maliciously while the printing file of the enterprise is effectively protected.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a data management system of intelligent printing equipment based on the Internet of things;
fig. 2 is a schematic diagram of steps of a data management method of intelligent printing equipment based on the internet of things.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides the following technical solutions:
referring to fig. 1, in a first embodiment: provided is an intelligent printing equipment data management system based on the Internet of things, which comprises: the system comprises a data service holder module, a discrete analog signal line diagram analysis module, a digital signal diagram conversion module and an encryption and decryption module;
The data service cloud deck module is used for constructing a data service cloud deck, marking the source of the printed file with the right, dividing the type of the printed file according to the right mark, and recording the data information of each type of the printed file, wherein the data information comprises the number of the printed files uploaded to the data service cloud deck by the computer equipment and the time of each uploading;
the data service holder module further comprises a subordinate token unit and a print file type dividing unit;
the ownership marking unit is used for constructing a data service cloud deck, marking the ownership of the source of the printed file based on the architecture of the enterprise department, and the ownership marking mode is as follows: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
a print file type dividing unit for dividing print file types according to the attribute marks, wherein one department corresponds to one print file type, and K print file types are obtained according to enterprise department architecture; the data service cloud deck records the data information of each type of printing file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded m times by 1,2 corresponding to the nth computer device, and DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Representing the time of the mth upload;
the discrete analog signal line graph analysis module is used for establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
the discrete analog signal line graph analysis module further comprises a data mapping unit and an intersection point processing unit;
the data mapping unit is used for establishing a two-dimensional coordinate system, wherein the abscissa in the two-dimensional coordinate system represents the time dimension, the ordinate represents the number dimension of the printed files, and the printing information set SI is comprehensively formed according to the sequence of time from first to last k All data information in the system is mapped in a two-dimensional coordinate system, and each coordinate point is sequentially connected to form a discrete analog signal line graph, and the discrete analog signal line graph is marked as D (SI) k )；
An intersection processing unit for processing the intersection of the discrete analog signal line graph D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 For the horizontal line, mark the horizontal line y=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Respectively representing times corresponding to the abscissa of the q intersections;
the digital signal diagram conversion module is used for dividing the discrete analog signal line diagram into continuous time intervals and converting the discrete analog signal line diagram into a digital signal diagram according to a division result;
the digital signal diagram conversion module further comprises a section dividing unit and a diagram conversion unit;
section dividing means for dividing the section into sections according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) Last coordinate of (3)The time corresponding to the point; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
a graph conversion unit for converting the graph into a graph D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of the continuous time interval, if TT is the continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the high-level signal segments in a two-dimensional coordinate system is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )；
The encryption and decryption module generates an encryption message according to the digital signal diagram, and sends a printing instruction after successful decryption verification of the encryption message; according to the encrypted message, carrying out encryption protection on all file data of an enterprise, and carrying out unscheduled updating on the encrypted message;
the encryption and decryption module further comprises a printing control unit and a data protection unit;
The printing control unit generates an encrypted message according to the digital signal diagram, and marks the encrypted message generated corresponding to the kth type of the printing file as the EM k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; when the computer equipment sends a print file to the data service cloud deck, the type of the print file is locked through the IP of the computer equipment, an operator decrypts the encrypted message according to the type of the print file, the data service cloud deck feeds back the decrypted digital signal diagram and verifies the decrypted digital signal diagram, and after verification is successful, the data service cloud deck sends a print instruction;
and the data protection unit is used for carrying out encryption protection on all file data of the enterprise according to the encrypted message and carrying out unscheduled updating on the encrypted message.
Referring to fig. 2, in the second embodiment: the intelligent printing equipment data management method based on the Internet of things comprises the following steps:
constructing a data service cloud deck, marking the source of a printing file by virtue of an enterprise department framework, dividing the type of the printing file according to the attribute mark, and recording the data information of each type of the printing file, wherein the data information comprises the number of the printing files uploaded to the data service cloud deck by computer equipment and the time of each uploading;
The method comprises the steps of constructing a data service cloud deck, marking the source of a printed file by the right label in the way that: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
dividing print file types according to the attribute tagsOne department corresponds to one type of printing file, and K types of printing files are obtained according to the enterprise department architecture; the data service cloud deck records the data information of each type of printing file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded m times by 1,2 corresponding to the nth computer device, and DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Representing the time of the mth upload;
establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
Establishing a two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of the printed files, and the printing information set SI is comprehensively formed according to the sequence of time from first to last k All data information in the system is mapped in a two-dimensional coordinate system, and each coordinate point is sequentially connected to form a discrete analog signal line graph, and the discrete analog signal line graph is marked as D (SI) k )；
In the discrete analog signal line diagram D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 Marking the horizontal line as the horizontal liney=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Respectively representing times corresponding to the abscissa of the q intersections;
dividing the discrete analog signal line graph in a continuous time interval, and converting the discrete analog signal line graph into a digital signal graph according to a division result;
according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) The time corresponding to the last coordinate point in the graph;
in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals;
in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
in the discrete analog signal line diagram D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of consecutive time intervals if in continuityInterval section TT G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the high-level signal segments in a two-dimensional coordinate system is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )；
Generating an encrypted message according to the digital signal diagram, and sending a printing instruction after the encrypted message is successfully decrypted and verified; according to the encrypted message, carrying out encryption protection on all file data of an enterprise, and carrying out unscheduled updating on the encrypted message;
Generating an encrypted message according to the digital signal diagram, and marking the encrypted message generated corresponding to the kth printing file type as EM (effective information) k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; when the computer equipment sends a print file to the data service cloud deck, the type of the print file is locked through the IP of the computer equipment, an operator decrypts the encrypted message according to the type of the print file, the data service cloud deck feeds back the decrypted digital signal diagram and verifies the decrypted digital signal diagram, and after verification is successful, the data service cloud deck sends a print instruction;
and the data service cloud platform encrypts and protects all file data of the enterprise according to the encrypted message, and performs unscheduled updating on the encrypted message.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The intelligent printing equipment data management method based on the Internet of things is characterized by comprising the following steps of:
step S100: constructing a data service cloud deck, marking the source of a printing file by virtue of an enterprise department framework, dividing the type of the printing file according to the attribute mark, and recording the data information of each type of the printing file, wherein the data information comprises the number of the printing files uploaded to the data service cloud deck by computer equipment and the time of each uploading;
step S200: establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
Step S300: dividing the discrete analog signal line graph in a continuous time interval, and converting the discrete analog signal line graph into a digital signal graph according to a division result;
step S400: generating an encrypted message according to the digital signal diagram, and sending a printing instruction after the encrypted message is successfully decrypted and verified; according to the encrypted message, carrying out encryption protection on all file data of an enterprise, and carrying out unscheduled updating on the encrypted message;
the specific implementation process of the step S100 includes:
step S101: constructing a data service cloud platform, and marking the attribute rights of the source of the printed file based on the architecture of an enterprise department, wherein the attribute rights marking method comprises the following steps: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
step S102: dividing the types of the printed files according to the rights label, wherein one department corresponds to one type of the printed files, and obtaining K types of the printed files according to the enterprise department architecture; the data service cloud deck records the data information of each type of printing file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded m times by 1,2 corresponding to the nth computer device, and DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Representing the time of the mth upload;
the specific implementation process of the step S200 includes:
step S201: establishing a two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, and an ordinate represents a printing textThe number dimension is used for comprehensively printing the information set SI according to the sequence of time from first to last k All data information in the system is mapped in a two-dimensional coordinate system, and each coordinate point is sequentially connected to form a discrete analog signal line graph, and the discrete analog signal line graph is marked as D (SI) k )；
Step S202: in the discrete analog signal line diagram D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 For the horizontal line, mark the horizontal line y=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Respectively representing times corresponding to the abscissa of the q intersections;
the specific implementation process of the step S300 includes:
step S301: according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) The time corresponding to the last coordinate point in the graph;
in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals;
specially, when separatingLoose analog signal line diagram D (SI) k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
step S302: in the discrete analog signal line diagram D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of the continuous time interval, if TT is the continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the high-level signal segments in a two-dimensional coordinate system is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )。
2. The intelligent printing apparatus data management method based on the internet of things according to claim 1, wherein the specific implementation process of step S400 includes:
step S401: generating an encrypted message according to the digital signal diagram, and marking the encrypted message generated corresponding to the kth printing file type as EM (effective information) k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; when the computer equipment sends a print file to the data service cloud deck, the type of the print file is locked through the IP of the computer equipment, an operator decrypts the encrypted message according to the type of the print file, the data service cloud deck feeds back the decrypted digital signal diagram and verifies the decrypted digital signal diagram, and after verification is successful, the data service cloud deck sends a print instruction;
step S402: and the data service cloud platform encrypts and protects all file data of the enterprise according to the encrypted message, and performs unscheduled updating on the encrypted message.
3. An intelligent printing equipment data management system based on the internet of things, which is characterized by comprising: the system comprises a data service holder module, a discrete analog signal line diagram analysis module, a digital signal diagram conversion module and an encryption and decryption module;
the data service cloud platform module is used for constructing a data service cloud platform, marking the source of the printed file by the aid of an enterprise department framework, dividing the type of the printed file according to the attribute mark, and recording the data information of each type of the printed file, wherein the data information comprises the number of the printed files uploaded to the data service cloud platform by the computer equipment and the time of each uploading;
The discrete analog signal line graph analysis module is used for establishing a two-dimensional coordinate system, mapping coordinate points of data information in the two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of printed files, forming a discrete analog signal line graph according to a mapping result, and processing the discrete analog signal line graph according to the data information;
the digital signal diagram conversion module is used for dividing the discrete analog signal line diagram into continuous time intervals and converting the discrete analog signal line diagram into a digital signal diagram according to the division result;
the encryption and decryption module generates an encryption message according to the digital signal diagram, and sends a printing instruction after successful decryption verification of the encryption message; according to the encrypted message, carrying out encryption protection on all file data of an enterprise, and carrying out unscheduled updating on the encrypted message;
the data service holder module further comprises a subordinate token unit and a print file type dividing unit;
the ownership marking unit is used for constructing a data service cloud deck, marking the ownership of the source of the printed file based on the architecture of the enterprise department, and the ownership marking mode is as follows: the method comprises the steps that through locking computer equipment IP of each enterprise department, a printing file sent to a data service cloud deck through computing equipment is unified with additional department attribution marks;
The printing file type dividing unit divides the printing file types according to the attribute marks, wherein one department corresponds to one printing file type, and K printing file types are obtained in total according to the enterprise department architecture; the data service cloud deck records the data information of each type of printing file; data information under the kth type of printing file is integrated, and a printing information set is generated and recorded as SI k ={IP 1 ，IP 2 ，...，IP n } wherein IP 1 ，IP 2 ，...，IP n Respectively represent data information sets corresponding to the 1 st, 2 nd, and the n computer devices, and IP n ={DI 1 ，DI 2 ，...，DI m (where DI) 1 ，DI 2 ，...，DI m Respectively representing data information uploaded m times by 1,2 corresponding to the nth computer device, and DI m =[q m ，t m ]，q m Representing the number of print files uploaded at the mth time, t m Representing the time of the mth upload;
the discrete analog signal line graph analysis module further comprises a data mapping unit and an intersection point processing unit;
the data mapping unit is configured to establish a two-dimensional coordinate system, wherein an abscissa in the two-dimensional coordinate system represents a time dimension, an ordinate represents a number dimension of print files, and a print information set SI is comprehensively configured according to a time sequence from first to last k All the data information in the database, mapping coordinate points in a two-dimensional coordinate system, and sequentially connecting the coordinate points to form a distance A line graph of the scattered analog signal, denoted D (SI k )；
The intersection processing unit is used for processing the intersection point of the discrete analog signal line graph D (SI k ) Respectively selecting the maximum value q of the number of the printed files corresponding to the ordinate max And a minimum value q min And calculating the average value q of the number of the printed files according to the maximum value and the minimum value 0 =2 -1 (q max +q min ) The method comprises the steps of carrying out a first treatment on the surface of the In the discrete analog signal line diagram D (SI k ) In y=q 0 For the horizontal line, mark the horizontal line y=q 0 Extracting time corresponding to abscissa at each intersection point with all intersection points of the discrete analog signal line graph to form intersection point time set, and recording as T (SI k )={T 1 ，T 2 ，...，T g }, wherein T is 1 ，T 2 ，...，T g Respectively representing times corresponding to the abscissa of the q intersections;
the digital signal diagram conversion module further comprises a section dividing unit and a diagram conversion unit;
the section dividing unit divides the section according to the intersection time set T (SI k ) Discrete analog signal line diagram D (SI k ) Divided into g+1 continuous time intervals, wherein the start time of the 1 st continuous time interval is a discrete analog signal line graph D (SI k ) The end time of the (g+1) th continuous time interval is the discrete analog signal line graph D (SI) k ) The time corresponding to the last coordinate point in the graph; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point in (1) is the same point, or, when the discrete analog signal line diagram D (SI k ) The last coordinate point and intersection point time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g continuous time intervals; in particular, when the discrete analog signal line diagram D (SI k ) The 1 st coordinate point and intersection point time set T (SI k ) The 1 st intersection point of the two lines is the same point, and when the discrete analog signal line diagram D (SI k ) In (a)And the last coordinate point and intersection time set T (SI k ) If the g-th intersection point is the same point, the discrete analog signal line diagram D (SI k ) Dividing into g-1 continuous time intervals;
the graph conversion unit is used for converting the graph into the graph D (SI k ) In the method, any continuous time interval is acquired and is marked as TT G Wherein G represents the number of the continuous time interval, if TT is the continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 Above, the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into high-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the high-level signal segments in a two-dimensional coordinate system is q max Conversely, if TT is a continuous time interval G The corresponding broken line segment of the discrete analog signal in the range is in the horizontal line y=q 0 The following will be the continuous time interval TT G The corresponding discrete analog signal broken line segments in the range are converted into low-level signal segments of digital signal straight line segments, and the number of printed files corresponding to the ordinate of the low-level signal segments in a two-dimensional coordinate system is q min The method comprises the steps of carrying out a first treatment on the surface of the The digital signal straight line segments corresponding to each continuous time interval are combined to form a complete digital signal diagram, and a discrete analog signal line diagram D (SI k ) The corresponding digital signal diagram is denoted as F (SI k )。
4. A smart printing device data management system based on the internet of things as claimed in claim 3, wherein: the encryption and decryption module also comprises a printing control unit and a data protection unit;
the printing control unit generates an encrypted message according to the digital signal diagram, and marks the encrypted message generated corresponding to the kth type of the printing file as EM k ={[U 1 ，TT 1 ][U 2 ，TT 2 ]...[U g+1 ，TT g+1 ]-a }; locking by computer device IP when computer device sends print file to data service cradle headDetermining the type of a printing file, decrypting the encrypted message by an operator according to the type of the printing file, feeding back the decrypted digital signal diagram by the data service cloud deck, verifying the digital signal diagram, and sending a printing instruction by the data service cloud deck after the verification is successful;
The data protection unit encrypts and protects all file data of enterprises according to the encrypted message and performs unscheduled updating on the encrypted message.
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