CN105242890A - Cloud print service system and implementation method therefor - Google Patents

Abstract

The invention discloses a cloud printing service system, which includes an intelligent user terminal, a cloud printing service platform and a cloud printing server, the cloud printing service platform receives a cloud printing task submitted by an intelligent user terminal, and the cloud printing server receives a cloud printing task The print document of the service platform is installed with a print driver; the cloud print server includes a network port driver module, a document archive standardization management module, a task management module, a USB driver module, a printer management module, and a printer status monitoring module. The present invention adopts a cloud printing server developed based on Linux, which has strong popularity and convenience; users can submit printing requirements through the cloud printing service platform, and the cloud printing service platform analyzes and matches according to user needs and the status of physical printing resources, and sends the printed documents to To the corresponding cloud print server for format conversion and drive printing, which can effectively avoid waste of resources and improve printing efficiency.

Description

A cloud printing service system and its implementation method

technical field

The invention relates to the field of network printing, in particular to a cloud printing service system and an implementation method thereof.

Background technique

With the continuous development of embedded technology and information technology, in order to meet the diversity of personal and commercial printing applications, and the personalized and diversified needs of network printing, ordinary printers are generally used to connect to the cloud printing service platform through the cloud printing server. At present, the main way of printing is still based on local printing, and most of the network printing that has appeared is also oriented to local area networks, or based on specific printing equipment and printing types provided by printing manufacturers, and lacks the realization of seamless, seamless printing in the Internet environment. Pervasive printing sharing and collaboration technology urgently needs to combine advanced intelligent management technology and embedded technology, and combine printing resource sets to improve the rapidity, intelligence and networking of the user's printing process. Therefore, how to solve the inconvenient printing, the general single function of printers and strong dependence, and the difficulty of sharing are the key issues at present.

Contents of the invention

In view of the above problems, in the present invention, customers can submit printing tasks through various terminals, including factors such as quantity, specification, content, location, etc., to the cloud printing service platform, and the cloud printing service platform shares and connects some low-end printers through the cloud printing server, Through the connection of the cloud printing server, some low-end printers can be connected to the cloud printing pool in the cloud printing service platform, and provide their own location, printing capabilities and other factors. The cloud printing server helps customers choose printing resources through intelligent matching. After printing, customers can also choose printing resources by themselves. Different from the prior art, the present invention does not use a PC as the server, but installs the print driver in the cloud print server, and after the printed document is transferred to the cloud print server through the network and converted into an agreed format, the developed Cloud print server to drive the printer to print.

Realize the technical scheme of the present invention as:

A cloud printing service system, comprising an intelligent user terminal, a cloud printing service platform, and a cloud printing server, the cloud printing service platform receiving a cloud printing task submitted by the intelligent user terminal, and the cloud printing server receiving the cloud printing service platform printout of the document;

The cloud print server includes a serially connected network port driver module, a document archive standardization management module, a task management module, a USB driver module, a printer management module, and a printer status monitoring module;

The network port driver module is used to connect to the network so that the cloud print server can smoothly receive the print documents sent by the cloud print service platform;

Document archive standardization management module, used for document receiving, converting to a unified format and browsing the catalog of documents;

Task management module, used for assigning and querying received documents;

The USB driver module is used to drive the printer using the USB interface, and send the distributed documents to the printer through the USB interface;

The printer management module is used to monitor the printing status of each connected printer and send it to the cloud printing service platform as feedback information;

The printer status monitoring module is used to monitor the printer's working status, ink cartridges, working performance and other information in real time, and feed this information back to the cloud printing service platform, so that it can be matched according to actual needs.

The cloud printing server includes Samsung S3C6410 core board, RJ45 network interface, USB interface, UART serial port communication (RS232), power supply and reset module, LCD display screen and human-computer interaction interface, wherein RJ45 network interface, USB interface, UART serial port communication , power supply and reset circuit and LCD display are respectively connected with the S3C6410 core board, and the human-computer interaction interface is connected with the LCD display.

The cloud print server is developed based on Linux, and a print driver is installed to drive the printer to print. The cloud print server software part includes an application layer, an operating system and a driver layer, wherein the application layer includes an application program and a file system, and the operating system is formed by a Linux kernel. system, the driver layer includes U-boot bootloader and device drivers. That is, the cloud printing server developed based on Linux uses the embedded Linux system as the software basis, designs a S3C6410 circuit board, transplants the boot program for initializing the hardware, and uses the busybox tool to create the root file system to complete the construction of the Linux system. Use the Qt graphical interface writing tool to design the user graphical interface of the computer terminal and the ARM platform, realize the network communication between the application programs, and complete the file transfer function. Finally, compile and transplant the print driver, and design the Qt interface to call the driver to realize printing without PC support.

The intelligent user terminal includes terminal devices such as mobile phones, computers, and pads capable of surfing the Internet, and is used for users to submit cloud printing tasks to the cloud printing service platform.

The cloud printing service platform includes a cloud printing service platform portal, a service container, a resource manager, a task manager, an information service manager, and a security manager, wherein the cloud printing service platform portal is connected to the service container, the resource manager, and the task manager respectively. Server, Information Services Manager, and Security Manager connections.

The method for implementing cloud printing by using the cloud printing service system includes the following steps:

1) The intelligent user terminal submits printing tasks to the cloud printing service platform through the printing resource node provided by the cloud printing service platform;

2) The cloud printing service platform analyzes customer needs and attributes of printing resources, and assigns printing tasks to cloud printing servers quickly and efficiently through intelligent allocation;

3) The cloud print server processes the printing process and sends it to the printer for printing.

The printing task in step 1) includes the quantity, specification, content and location of printing.

The attributes analyzed in step 2) include the location of the printer, whether it is working or not, performance, speed, waiting time, and evaluation.

The process in step 3) is that the print server sends information including whether the printer is free to the cloud print service platform every minute, and when the cloud print service platform sends a document to the cloud print server, the cloud print server receives and converts the format.

The beneficial effects of the present invention are as follows: the present invention is mainly aimed at most ordinary USB printers, uses the simple system operation and management developed by the Linux system, does not need to use ordinary PCs as servers to cause waste of resources, and has strong popularity and convenience; Users can access the cloud printing service platform through the Internet to submit printing requirements. The cloud printing service platform analyzes and matches the user's needs and the status of physical printing resources, and sends the printed documents to the corresponding cloud printing server for document format conversion and drive printing. Effectively avoid waste of resources and improve printing efficiency.

Description of drawings

FIG. 1 is a structural diagram of the cloud printing service system of the present invention;

Fig. 2 is a structural diagram of the cloud printing server in the present invention;

Fig. 3 is a functional block diagram of the cloud printing service platform;

Fig. 4 is a flow chart of the implementation method of the cloud printing service system of the present invention.

detailed description

As shown in Figure 1, a cloud printing service system includes a smart user terminal, a cloud printing service platform and a cloud printing server, the cloud printing service platform receives a cloud printing task submitted by a smart user terminal, and the cloud printing server receives a cloud printing task Printed documents of the service platform;

The cloud print server includes a network port driver module connected in sequence, a document archiving standardization management module, a task management module, a USB driver module, a printer management module, and a printer status monitoring module; the network port driver module is used to connect to the network and make the cloud The print server can smoothly receive the printed documents sent by the cloud printing service platform; the document archiving standardization management module is used for receiving and converting documents into a unified format to browse the catalog of documents; the task management module is used for distributing the received documents, Query; the USB driver module is used to drive the printer using the USB interface, and sends the assigned document to the printer through the USB interface; the printer management module is used to monitor the printing status of each connected printer and send it to the cloud printing service platform as feedback information ;The printer status monitoring module is used for real-time monitoring of the printer's working status, ink cartridges, working performance and other information to feed back to the cloud printing service platform, so that it can be matched according to actual needs.

As shown in Figure 2, the cloud print server includes S3C6410 core board, RJ45 network interface, USB interface UART serial port communication (RS232), power supply and reset circuit, LCD display screen and human-computer interaction interface, wherein RJ45 network interface, USB interface, UART The serial port communication, power supply and reset circuit and LCD display are respectively connected to the S3C6410 core board, and the human-computer interaction interface is connected to the LCD display.

The cloud print server is developed based on Linux, and a print driver is installed to drive the printer to print. The software part of the cloud print server includes an application layer, an operating system and a driver layer, wherein the application layer includes an application program and a file system, and the operating system is a Linux kernel The formed system, the driver layer includes U-boot bootloader and device driver. The cloud printing server uses the embedded Linux system as the software basis, designs a S3C6410 circuit board, transplants the boot program of the initialization hardware, the Linux kernel, uses the busybox tool to make the root file system, and completes the construction of the Linux system. Use the Qt graphical interface writing tool to design the user graphical interface of the computer terminal and the ARM platform, realize the network communication between the application programs, and complete the file transfer function. Finally, compile and transplant the print driver, and design the Qt interface to call the driver to realize printing without PC support.

The cloud printing server developed based on Linux can standardize printing resources and publish them on the cloud printing service platform to establish a cloud printing pool, and has the functions of viewing connected printer information, file receiving status, print queue, etc.

The smart user terminal is a terminal device such as a mobile phone, a computer, and a pad capable of surfing the Internet, and is used for the user to submit a cloud printing task to the cloud printing service platform.

As shown in Figure 3, the cloud printing service platform includes the cloud printing service platform portal, service container, resource manager, task manager, information service manager, and security manager, which are used to establish a cloud printing pool for unified management of resources, and analyze customer needs and The attributes of printing resources, through intelligent allocation, quickly and efficiently assign printing tasks to cloud printing servers for printing, which is a bridge connecting customers and printing resources. The cloud printing service platform portal is respectively connected with the service container, the resource manager, the task manager, the information service manager and the security manager.

The following specifically introduces the functions of each component of the cloud printing service platform:

ClientPortal, a cloud printing service platform portal, is a functionally expanded Web server that can run independently, including multiple portlet services. Portlets can be dynamically loaded according to requirements, and cloud service users can complete collaborative manufacturing tasks through the Portal.

The service container provides basic web service support functions and is an extensible web service container. The service container includes the basic environment of network services. The service container needs to be deployed on each cloud resource node for service interaction to realize the basic SOAP message management in the cloud service, the invocation and management of web services, and the binding of services and resources. Core functions such as virtual resource service, resource status monitoring and service query.

The resource manager includes resource templates, resource attributes, resource encapsulation, resource standardization, resource virtualization, resource description, life cycle, service aggregation, resource release, resource monitoring, resource deployment, and local autonomous resource management. The foundation of the cloud printing platform.

The interaction between the task manager and the Portal, and combined operation with the resource manager, including task submission, task template, service matching selection, task decomposition, resource scheduling, resource scheduling policy, performance evaluation, task deployment, task monitoring, life cycle, batch Task service is the core module for collaborative printing in the cloud printing service platform.

The information server is an information centralized module in the cloud printing platform, including resource registration/deregistration, service catalog, resource search, SLA, resource reservation, QoS and notification mechanism. The information server provides network service registration, release, service matching, Service retrieval and collection of resource status. At the same time, it is also an important basis for negotiation and coordination in the collaborative printing process.

The security manager provides the cloud printing service platform with user management, identity authentication, certification center (CA), agent certificate management mechanism, single sign-on, platform and service security management, resource access control, printing task security policy, network payment security And information security and other important modules with security protection functions. User management performs user information query, modification, and authority management; the proxy certificate management mechanism transfers trust relationships among task managers, network services, and users. The certification authority (CA) provides basic security guarantees for the system to cloud service users, cloud servers and other entities, which are realized by issuing security certificates; service security management is implemented through message and session security to ensure the security of the service process.

The flow chart of the implementation method of the cloud printing service of the present invention is shown in Figure 4, including the following steps:

1) Intelligent user terminals such as mobile phones, computers, pads and other terminal devices submit printing tasks to the cloud printing service platform through the printing resource nodes provided by the cloud printing service platform, including the quantity, specification, content, location, etc. of printing;

2) The cloud printing service platform analyzes customer needs and attributes of printing resources, including printer location, working or not, performance, speed, waiting time, evaluation and other attributes, and quickly and efficiently assigns printing tasks to the cloud through intelligent allocation print server;

3) The cloud print server processes the printing process and sends it to the printer for printing. The process processing is that the print server sends information including whether the printer is free to the cloud print service platform every minute. When the cloud print service platform sends documents to the cloud print server, the cloud print server receives and converts the format.

Claims (9)

1. a cloud print service system, comprise intelligent subscriber terminal, cloud print service platform, it is characterized in that, also comprise cloud printing server, described cloud print service platform receives the cloud print out task that intelligent subscriber terminal is submitted to, receives the printed document of cloud print service platform in described cloud printing server;

Described cloud printing server comprises the network port driving module, document file standardized management module, task management module, USB driver module, printer task management module and the printer modes monitoring modular that are linked in sequence;

Network port driving module, for interconnection network, makes cloud printing server can receive the printed document of described cloud print service platform transmission;

Document file standardized management module, for document reception, transform the catalogue of consolidation form and browsing document;

Task management module, distributes for being carried out by the document received, inquires about;

USB driver module, for driving the printer using USB interface, is sent to printer by the document of distribution by USB interface;

Printer task management module, for monitoring each printer of connection, the state obtaining print out task sends to cloud print service platform as feedback information;

Printer capability monitoring modular, for duty, print cartridge, the serviceability of real-time monitoring printer, feeds back to cloud print service platform, makes it mate according to the actual requirements by performance information.

2. cloud print service system according to claim 1, it is characterized in that: described cloud printing server comprises Samsung S3C6410 core board, RJ45 network interface, USB interface, UART serial communication, power supply and reset circuit, LCD display and human-computer interaction interface, wherein RJ45 network interface, USB interface, UART serial communication, power supply are connected with S3C6410 core board respectively with reset circuit and LCD display, and human-computer interaction interface is connected with LCD display.

3. cloud print service system according to claim 1, it is characterized in that: described cloud printing server is developed based on Linux, and printing driving is installed, cloud printing server software section comprises the application layer, operating system and the driving layer that are linked in sequence, wherein application layer comprises application program and file system, operating system is the system that linux kernel is formed, and drives layer to comprise U-boot boot and device drives.

4. cloud print service system according to claim 1, is characterized in that: described intelligent subscriber terminal comprises mobile phone, computer, the pad terminal device that can surf the Net, submits cloud print out task to for user Xiang Yun print service platform.

5. cloud print service system according to claim 1, is characterized in that: described cloud print service platform comprises cloud print service platform portal, service container, explorer, task manager, information service management device and security manager; Its medium cloud print service platform portal is connected with service container, explorer, task manager, information service management device and security manager respectively.

6. an implementation method for cloud print service system, is characterized in that, adopts the cloud print service system as described in any one of claim 1-5, comprises the steps:

1) the print resource node that intelligent subscriber terminal is provided by cloud print service platform submits print out task to cloud print service platform;

2) attribute of customer demand and print resource resolved by cloud print service platform, by the mode of smart allocation, print out task distributed to cloud printing server fast, efficiently;

3) cloud printing server is sent to printer after carrying out printing flow processing and prints.

7. the method realizing cloud and print according to claim 6, is characterized in that: the print out task in described step 1) comprises the quantity of printed document, specification, content and place.

8. according to claim 6 realize cloud print method, it is characterized in that: described step 2) in resolve attribute comprise printer position, whether work, performance, speed, the stand-by period, evaluation.

9. the method realizing cloud and print according to claim 6, it is characterized in that: the flow processing in described step 3) is that printing server transmission per minute comprises the whether idle information of printer to cloud print service platform, when cloud print service platform sends document to this cloud printing server, cloud printing server receives and transforms form.