CN111866833A - Method, device and medium for switching wifi network connection of handheld printer - Google Patents

Method, device and medium for switching wifi network connection of handheld printer Download PDF

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Publication number
CN111866833A
CN111866833A CN202010687496.XA CN202010687496A CN111866833A CN 111866833 A CN111866833 A CN 111866833A CN 202010687496 A CN202010687496 A CN 202010687496A CN 111866833 A CN111866833 A CN 111866833A
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CN
China
Prior art keywords
mobile terminal
handheld printer
wifi
bluetooth
connection
Prior art date
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Pending
Application number
CN202010687496.XA
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Chinese (zh)
Inventor
吴帆
熊博
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Optical Core Semiconductor Shenzhen Co ltd
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Optical Core Semiconductor Shenzhen Co ltd
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Priority to CN202010687496.XA priority Critical patent/CN111866833A/en
Publication of CN111866833A publication Critical patent/CN111866833A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections

Abstract

The invention provides a method for switching wifi network connection of a handheld printer, which comprises the following steps: establishing Bluetooth connection and WIFI network connection with a first mobile terminal; judging that data information transmission with the first mobile terminal through the WIFI network is finished; actively disconnecting the Bluetooth connection with the first mobile terminal; broadcasting equipment information and networking information of the handheld printer through the Bluetooth module; receiving a Bluetooth connection request sent by a second mobile terminal through a Bluetooth module, and establishing Bluetooth connection with the second mobile terminal; and sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission. According to the invention, the handheld printer can switch WIFI network connection among multiple devices, and a user with printing requirements can seize and control the handheld printer, so that the waiting time is favorably reduced, and the user experience is improved.

Description

Method, device and medium for switching wifi network connection of handheld printer
Technical Field
The invention belongs to the technical field of printers, and particularly relates to a method and a device for switching wifi network connection of a handheld printer, the handheld printer and a storage medium.
Background
The traditional printer is large in size, complex in structure, and required to be used on a workbench or placed on a desktop, and the paper feeding system is driven by a motor and can only print on paper surfaces with certain specifications, so that the traditional printer is not suitable for occasions needing flexible printing, such as balloon display on commercial activities, activity propaganda information printing on faces, arms and other parts of activity participants, and the like, has strict requirements on printing media and printing angles, and cannot print printing information which is difficult to erase on soft, plastic, smooth media, vertical and curved media.
Therefore, handheld printers appear in the market, users can print freely without being limited by positions when holding the handheld printers, and characters and pictures edited by the users can be printed out conveniently. However, when the WIFI of the existing handheld printer is connected with the router, the router needs to be selected and the password needs to be input, so that a touch screen needs to be arranged on the handheld printer, the product cost is improved, and the miniaturization of the printer is not facilitated. And after a mobile terminal of one user is connected with the handheld printer through the WIFI module for communication control, other users cannot be connected with the handheld printer for control, the use is very inconvenient unless the currently connected user quits the connection with the handheld printer, and if the user without the printing task always occupies the handheld printer and does not quit the connection, other users cannot be connected with the handheld printer for operation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the method for switching the wifi network connection of the handheld printer, realizes that different mobile terminals of the handheld printer can preempt the connection to the handheld printer for printing operation, improves the use efficiency of the handheld printer, and improves the user experience.
In a first aspect, an embodiment of the present invention provides a method for switching wifi network connection for a handheld printer, including:
establishing Bluetooth connection and WIFI network connection with a first mobile terminal;
judging that data information transmission with the first mobile terminal through the WIFI network is finished;
actively disconnecting the Bluetooth connection with the first mobile terminal;
broadcasting equipment information and networking information of the handheld printer through the Bluetooth module;
receiving a Bluetooth connection request sent by a second mobile terminal through a Bluetooth module, and establishing Bluetooth connection with the second mobile terminal;
and sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission.
Further, after the data information transmission with the first mobile terminal through the WIFI network is finished, the method further includes:
Judging whether the data transmission ending time of the first mobile terminal lasts for a preset time or not;
the active disconnection and the bluetooth connection of the first mobile terminal specifically comprise:
and when the data transmission with the first mobile terminal is finished and lasts for the preset time, actively disconnecting the Bluetooth connection with the first mobile terminal.
Further, after receiving the bluetooth connection request sent by the second mobile terminal through the bluetooth module and establishing the bluetooth connection with the second mobile terminal, the method further includes:
judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet;
the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection for data information transmission, and the method specifically comprises the following steps:
and if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection for data information transmission.
Further, after judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet, the method further includes:
If the first mobile terminal and the second mobile terminal are in different WIFI subnets, a request for disconnecting network connection and WIFI distribution network information of the second mobile terminal, which are sent by the second mobile terminal, are received through the Bluetooth module;
and disconnecting the WIFI network connection with the first mobile terminal, establishing the WIFI network connection with the second mobile terminal according to the WIFI network distribution information of the second mobile terminal, and realizing WIFI data transmission with the second mobile terminal.
Further, the establishing of the bluetooth connection and the WIFI network connection with the first mobile terminal includes:
broadcasting equipment information and networking information of the handheld printer through the Bluetooth module;
the method comprises the steps that a Bluetooth connection request of a first terminal is received through a Bluetooth module to establish Bluetooth connection with the first terminal;
the WIFI distribution network information of the first terminal, which is sent by the first mobile terminal, is received through the Bluetooth module;
and establishing WIFI network connection with the first terminal according to the received WIFI distribution network information of the first terminal.
In a second aspect, an embodiment of the present invention further provides a device for switching wifi network connection for a handheld printer, including:
the first Bluetooth connection unit is used for establishing connection with a first mobile terminal;
the first WIFI connection unit is used for establishing WIFI network connection with the first mobile terminal;
The first judging unit is used for judging that data information transmission with the first mobile terminal through the WIFI network is finished;
the Bluetooth connection disconnection unit is used for actively disconnecting the Bluetooth connection with the first mobile terminal;
the first Bluetooth information broadcasting unit is used for broadcasting the equipment information and the networking information of the handheld printer through a Bluetooth module;
the second Bluetooth connection unit is used for receiving a Bluetooth connection request sent by the second mobile terminal through the Bluetooth module and establishing Bluetooth connection with the second mobile terminal;
and the address information sending unit is used for sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission.
Further, the apparatus further comprises:
a data transmission end time judgment unit for judging whether the data transmission end time with the first mobile terminal has continued for a preset time;
the Bluetooth connection disconnection unit is specifically configured to actively disconnect the Bluetooth connection with the first mobile terminal when data transmission with the first mobile terminal is finished and lasts for a preset time.
Further, the apparatus further comprises:
The WIFI subnet judging unit is used for judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet;
the address information sending unit is specifically configured to send the ip address and the port number of the handheld printer to the second mobile terminal if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, so that the second mobile terminal and the handheld printer establish a WIFI network connection to perform data information transmission.
Further, the apparatus further comprises:
the WIFI networking disconnection request receiving unit is used for receiving a request for disconnecting the network connection sent by the second mobile terminal through the Bluetooth module if the first mobile terminal and the second mobile terminal are in different WIFI subnets;
the WIFI distribution network information receiving unit is used for receiving the WIFI distribution network information of the second mobile terminal through the Bluetooth module if the first mobile terminal and the second mobile terminal are in different WIFI subnets;
the first Bluetooth connection unit is specifically used for broadcasting equipment information and networking information of the handheld printer through a Bluetooth module; the method comprises the steps that a Bluetooth connection request of a first terminal is received through a Bluetooth module to establish Bluetooth connection with the first terminal; the WIFI distribution network information of the first terminal, which is sent by the first mobile terminal, is received through the Bluetooth module;
The first WIFI connection unit is specifically used for establishing WIFI network connection with the first terminal according to the received WIFI network distribution information of the first terminal.
In a third aspect, an embodiment of the present invention further provides a handheld printer, including:
one or more processors;
a storage device for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for switching the connection between the wifi networked handheld printer and the multiple mobile terminals according to any embodiment of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for switching connection between multiple mobile terminals by using a wifi networked handheld printer as described in any embodiment of the first aspect.
The invention has the beneficial effects that:
the invention provides a method and a device for switching WIFI network connection by a handheld printer, the handheld printer and a storage medium, wherein the handheld printer establishes Bluetooth connection and WIFI network connection with a first mobile terminal, data information is transmitted through a WIFI network, after the fact that the data information is transmitted between the handheld printer and the first mobile terminal through the WIFI network is judged to be finished, the handheld printer is actively disconnected from the Bluetooth of the first mobile terminal, the device information and the networking information of the handheld printer are broadcasted through the Bluetooth module, the handheld printer receives a request sent by the second mobile terminal and establishes Bluetooth connection with the handheld printer and the second mobile terminal, the handheld printer sends the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module, and the second mobile terminal and the handheld printer are enabled to establish WIFI network connection for data information transmission. According to the embodiment of the invention, the handheld printer connected with the WIFI network is quickly switched among multiple devices, and a user with printing requirements can preempt and control the handheld printer, so that the waiting time is favorably reduced, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block schematic diagram of a hand-held printer provided by a first embodiment.
Fig. 2 is a block schematic diagram of a handheld printer provided by a second embodiment.
Fig. 3 is a flowchart of a method for switching wifi network connection by a handheld printer according to a third embodiment.
Fig. 4 is a flowchart of a method for switching wifi network connection by a handheld printer according to a fourth embodiment.
Fig. 5 is a flowchart of a method for switching wifi network connection by a handheld printer according to a fifth embodiment.
Fig. 6 is a flowchart of a method for switching wifi network connection by a handheld printer according to a sixth embodiment.
Fig. 7 is a block diagram illustrating an apparatus for switching wifi network connection of a handheld printer according to a seventh embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be further noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system established in fig. 1 is defined as follows: one side in the positive direction of the X axis is defined as the right side, and one side in the negative direction of the X axis is defined as the left side; one side in the positive direction of the Y axis is defined as the front, and one side in the negative direction of the Y axis is defined as the back; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Fig. 1 is a block schematic diagram of a hand-held printer provided by a first embodiment. Referring to fig. 1, the WIFI fast-networking handheld printer 1 provided in the present embodiment includes a printing device 10, a WIFI module 11, a bluetooth module 12, a communication controller 13, and a processor module 14.
The printing device 10 is used for inkjet printing, and the printing device 10 may use thermal inkjet technology to perform inkjet printing, and may also use other inkjet technologies, which are not described in detail herein, and may refer to the mature technologies related to inkjet printing.
The WIFI module 11 is used for being in wireless connection with a router, and the router is used for users to surf the internet and has a wireless coverage function. The wireless router can be regarded as a repeater, and the broadband network signal connected to the wall of a house is forwarded to nearby wireless network devices, such as a notebook computer, a mobile phone supporting WIFI, a tablet and all devices with WIFI function, through an antenna.
The Bluetooth module 12 is used for being in wireless connection with a mobile terminal, the mobile terminal has a Bluetooth function, after the handheld printer is started, the Bluetooth module 12 broadcasts broadcast data with the model and the physical address of the handheld printer outwards, and the handheld printer is searched and connected through Bluetooth of the mobile terminal.
The communication controller 13 is respectively electrically connected with the WIFI module 11 and the Bluetooth module 12, the communication controller 13 controls the Bluetooth module 12 to acquire the identification code and the password of the router from the mobile terminal, and controls the WIFI module 11 to be wirelessly connected with the router according to the acquired identification code and the password of the router.
The processor module 14 is electrically connected with the communication controller 13 through a serial port, and the processor module 14 receives printing data sent by the mobile terminal through the WIFI module 11 and controls the ink-jet device to perform ink-jet printing according to the received printing data. The processor module 14 and the communication controller 13 can be electrically connected through a UART serial port to realize data interaction between the processor module 14 and the communication controller 13.
The communication controller 13 of this embodiment acquires the identifier and the password of the router from the mobile terminal connected to the bluetooth module 12 through the bluetooth module 12, then the communication controller 13 controls the WIFI module 11 to establish connection with the router according to the acquired identifier and the password of the router, and the processor module 14 receives the print data sent by the mobile terminal through the WIFI module 11 and controls the printing device to perform inkjet printing according to the received print data. This embodiment need not set up the touch-sensitive screen on handheld printer in order to realize the WIFI connection, also need not log in the router through mobile terminal and set up handheld printer and be connected with the router, and realize the quick wireless networking of WIFI module based on bluetooth module, has shortened the networking time, has reduced user networking operation step, does benefit to handheld printer and reduces volume and weight, has promoted user experience.
It should be noted that, the communication controller 13, the WIFI module 11, and the bluetooth module 12 are integrated on one chip, and the modular design is favorable for improving the research and development efficiency. For example, Qualcomm QCA6390 may be connected to a system on chip (SoC), which is an integrated product providing superior WIFI and bluetooth performance to mobile and computing terminals.
In this embodiment, the printing apparatus 10 may include a print coprocessor 100, an inkjet cartridge 101, and a print control unit 102, where the print control unit 102 is electrically connected to the print coprocessor 100 and the inkjet cartridge 101, respectively, the print coprocessor 100 is electrically connected to the processor module 14, and the print coprocessor 100 controls the inkjet cartridge 101 to perform inkjet printing through the print control unit 102 according to print data received from the processor module 14. The print coprocessor 100 is used for processing control protocols of ink-jet cartridges 101 of different manufacturers and different models, so that the handheld printer has wider compatibility, can be compatible with the ink-jet cartridges 101 of different manufacturers, and has more user selectivity. The ink jet cartridge 101 may be a small-sized cartridge on the market, and a nozzle is provided on one side of the cartridge, which will not be described in detail.
In this embodiment, the handheld printer further includes a position sensor 15, the position sensor 15 is electrically connected to the print coprocessor 100, the position sensor 15 is configured to acquire position information of the handheld printer, and the print coprocessor 100 controls the inkjet cartridge 101 to perform inkjet printing through the print control unit 102 according to the acquired position information and print data. The coprocessor 100 of the hand-held printer controls the ink-jet ink box 101 to jet ink through the printing control unit 102 according to the position data acquired by the position sensor 15, but not through the processor module 14, if the processor module 14 processes other tasks, the coprocessor module is also in charge of ink-jet control of the ink-jet ink box 101, time-sharing multiplexing cannot meet the requirement of real-time performance, and the coprocessor 100 controls ink-jet printing independently, so that the real-time performance is better, printed patterns are clearer and cannot be blurred. Position sensor 15 can be the encoder, and the encoder can detect the angle and the position of removal, and consequently, handheld printer not only can print along rectilinear movement, can also print by the removal wantonly, and application scope is wider, and user experience is better.
In this embodiment, the handheld printer further includes a voice playing unit 16, the voice playing unit is electrically connected to the processor module 14, and the voice playing unit 16 is configured to play a voice prompt when the printing is completed, and certainly, the voice prompt may also be used for voice prompt of insufficient ink or insufficient lighting, which is only an example and is not a limitation to the present technical solution.
Fig. 2 is a block schematic diagram of a handheld printer provided by a second embodiment. As shown with reference to figure 2 of the drawings,
the handheld printer 2 for WIFI fast networking provided by this embodiment includes: a printing device 20, a WIFI module 21, a bluetooth module 22 and a processor module 23,
the printing device 20 is used for inkjet printing, and the printing device 20 may use thermal inkjet technology to perform inkjet printing, and may also use other inkjet technologies, which are not described in detail herein, and may refer to the mature technologies related to inkjet printing.
The WIFI module 21 is used for being wirelessly connected with a router, and the router is used for users to surf the internet and has a wireless coverage function. The wireless router can be regarded as a repeater, and the broadband network signal connected to the wall of a house is forwarded to nearby wireless network devices, such as a notebook computer, a mobile phone supporting WIFI, a tablet and all devices with WIFI function, through an antenna.
The Bluetooth module 22 is used for wireless connection with a mobile terminal, the mobile terminal has a Bluetooth function, after the handheld printer is started, the Bluetooth module 22 broadcasts broadcast data with the model and the physical address of the handheld printer outwards, and the handheld printer is searched and connected through Bluetooth of the mobile terminal.
The processor module 23 is respectively electrically connected with the printing device 20, the WIFI module 21 and the Bluetooth module 22, the processor module 23 controls the WIFI module 21 to be wirelessly connected with the router according to the identification code and the password of the router acquired by the Bluetooth module 22, receives the printing data sent by the mobile terminal through the WIFI module 21, and controls the printing device 20 to perform ink-jet printing according to the received printing data.
The processor module 23 of the handheld printer 2 of this embodiment controls the WIFI module 21 to be wirelessly connected with the router according to the identification code and the password of the router wirelessly connected with the bluetooth module 22, which are acquired by the bluetooth module 22, receives the print data sent by the mobile terminal through the WIFI module 21, and controls the printing device 20 to perform inkjet printing according to the received print data. This embodiment need not set up the touch-sensitive screen on handheld printer in order to realize the WIFI connection, also need not log in the router through mobile terminal and set up handheld printer and be connected with the router, and realize the quick wireless networking of WIFI module based on bluetooth module, has shortened the networking time, has reduced user networking operation step, does benefit to handheld printer and reduces volume and weight, has promoted user experience.
In this embodiment, the printing apparatus 20 may include a print coprocessor 200, an inkjet cartridge 201, and a print control unit 202, where the print control unit 202 is electrically connected to the print coprocessor 200 and the inkjet cartridge 201, respectively, the print coprocessor 200 is electrically connected to the processor module 23, and the print coprocessor 200 controls the inkjet cartridge 201 to perform inkjet printing through the print control unit 202 according to print data received from the processor module 23. The print coprocessor 200 is used for processing control protocols of the ink-jet cartridges 201 of different models of different manufacturers, so that the handheld printer has wider compatibility, can be compatible with the ink-jet cartridges 201 of different manufacturers, and has more user selectivity. The ink-jet cartridge 201 may be a small-sized cartridge on the market, and a nozzle is provided on one side of the cartridge, which will not be described in detail herein.
In this embodiment, the handheld printer further includes a position sensor 24, the position sensor 24 is electrically connected to the print coprocessor 200, the position sensor 24 is configured to acquire position information of the handheld printer, and the print coprocessor 200 controls the inkjet cartridge 201 to perform inkjet printing through the print control unit 202 according to the acquired position information and print data. The coprocessor 200 of the hand-held printer controls the ink-jet cartridge 201 to jet ink through the printing control unit 202 according to the position data acquired by the position sensor 24, but not through the processor module 23, if the processor module 23 processes other tasks, the processor module is responsible for the ink-jet control of the ink-jet cartridge 201, time-sharing multiplexing cannot meet the requirement of real-time performance, and the coprocessor 200 controls the ink-jet printing independently, so that the real-time performance is better, printed patterns are clearer and cannot be blurred.
In this embodiment, the handheld printer further includes a voice playing unit 25, the voice playing unit is electrically connected to the processor module 23, and the voice playing unit 25 is configured to play a voice prompt when the printing is completed, and certainly, the voice prompt may also be used for voice prompt of insufficient ink or insufficient lighting, which is only an example and is not a limitation to the present technical solution.
Fig. 3 is a flowchart of a method for switching wifi network connection by a handheld printer according to a third embodiment. Referring to fig. 3, the handheld printer provided in this embodiment may be the handheld printer shown in fig. 1, or may be the handheld printer shown in fig. 2, where the handheld printer shown in fig. 1 is taken as an example for description, the bluetooth module 12 and the WIFI module 11 are both controlled by the communication controller 13, and the processor module 14 is responsible for processing communication data. The method for switching the wifi network connection of the handheld printer provided by the embodiment comprises the following steps:
s300, Bluetooth connection and WIFI network connection are established with the first mobile terminal.
In this embodiment, the establishing of the bluetooth connection and the WIFI network connection between the handheld printer and the first mobile terminal specifically includes the following steps:
Step 1, broadcasting equipment information and networking information of the handheld printer through a Bluetooth module.
In this embodiment, the device information may include a model and a Mac address of the handheld printer; the networking information may include a connected WIFI network and an unconnected WIFI network, and specifically, 1 may be used to indicate that the handheld printer has been connected to the WIFI network, that is, the handheld printer has been connected to the mobile terminal for data transmission. And 0 represents that the WIFI network is not connected, namely the handheld printer is disconnected from the mobile terminal, and the handheld printer and the mobile terminal cannot perform data transmission. At this time, the handheld printer is in the unconnected network stage, and thus the networking information may be represented by 0.
And step 2, receiving a first terminal Bluetooth connection request through a Bluetooth module and establishing Bluetooth connection with the first terminal.
When the first mobile terminal receives the equipment information and the networking information broadcasted by the handheld printer through the Bluetooth module, a request for establishing Bluetooth connection is sent to the handheld printer, and the handheld printer establishes connection with the first mobile terminal after receiving the Bluetooth connection request sent by the first mobile terminal.
If only one handheld printer is arranged in the whole local area network, Bluetooth connection is directly and automatically realized, and if a plurality of handheld printing devices are arranged in the local area network, a user needs to select the corresponding handheld printer from a client installed on the first mobile terminal to connect.
And step 3, receiving the WIFI distribution network information of the first terminal sent by the first mobile terminal through the Bluetooth module.
The method comprises the steps that a client corresponding to the handheld printer is installed on the mobile terminal, a user can fill in the SSID and the login password of the router connected with the user through the client, and the handheld printer receives the SSID and the login password of the router to achieve networking with the router. The handheld printer stores the SSID and the login password of the router for subsequent automatic login.
And 4, establishing WIFI network connection with the first terminal according to the received WIFI distribution network information of the first terminal.
After the network connection between the handheld printer and the first mobile terminal is achieved, a TCP/IP protocol or a UDP protocol may be used for data transmission between the first mobile terminal and the handheld printer, for example, the first mobile terminal sends a photo or text to be printed to the handheld printer.
And S301, judging that data information transmission with the first mobile terminal through the WIFI network is finished.
After the first mobile terminal is connected with the handheld printer through a network, the data information is transmitted to the handheld printer through the WIFI network, the handheld printer can judge whether the data information transmission of the first mobile terminal is finished or not, the mode of specifically judging the data information transmission finishing is different according to different used communication protocols, TCP/IP and UDP protocols can be consulted, and detailed description is omitted here.
S302, actively disconnecting the Bluetooth connection with the first mobile terminal.
After the first mobile terminal sends the data information to the handheld printer, the handheld printer actively disconnects the Bluetooth connection with the first mobile terminal.
S303, broadcasting the equipment information and the networking information of the handheld printer through the Bluetooth module.
The handheld printer broadcasts the equipment information and the networking information thereof through the Bluetooth module, wherein the equipment information can comprise the model and the Mac address of the handheld printer; the networking information may include a connected WIFI network and an unconnected WIFI network, and specifically, 1 may be used to indicate that the handheld printer has been connected to the WIFI network, that is, the handheld printer has been connected to the mobile terminal for data transmission. And 0 represents that the WIFI network is not connected, namely the handheld printer is disconnected from the mobile terminal, and the handheld printer and the mobile terminal cannot perform data transmission. At this time, although the bluetooth connection is disconnected, the WIFI network connection is normal between the handheld printer and the first mobile terminal, and thus the networking information may be represented by 1.
S304, a Bluetooth connection request sent by the second mobile terminal is received through the Bluetooth module, and Bluetooth connection is established with the second mobile terminal.
After receiving the information broadcast by the handheld printer Bluetooth module, the second mobile terminal sends a request for establishing Bluetooth connection to the second mobile terminal through Bluetooth, and the handheld printer receives the Bluetooth connection request of the second mobile terminal, confirms that Bluetooth connection is established with the second mobile terminal, and then can perform simple data interaction through Bluetooth.
S305, the IP address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection to carry out data information transmission.
The handheld printer sends the ip address and the port number to the second mobile terminal through the Bluetooth module of the handheld printer, and the second mobile terminal establishes network connection with the handheld printer according to the ip address and the port number of the handheld printer, so that data information can be transmitted through a WIFI network.
In the embodiment, the handheld printer is in a networking state with the first mobile terminal, and after the first mobile terminal finishes data transmission, the handheld printer actively disconnects the Bluetooth connection with the first mobile terminal, the Bluetooth module of the handheld printer broadcasts the device information and the networking information thereof, receives a request of the second mobile terminal for establishing the Bluetooth connection, the handheld printer establishes the Bluetooth connection with the second mobile terminal, and sends the ip address and the port number of the handheld printer to the second mobile terminal, so that the second mobile terminal establishes the WIFI network connection with the handheld printer for data information transmission. After the first mobile terminal sends the printing data information, other users with printing requirements can seize and control the handheld printer without waiting for the disconnection of the first mobile terminal and the Bluetooth connection of the handheld printer, the technical problem that the other users cannot connect the handheld printer due to the fact that the disconnection is forgotten after the printing of the handheld printer is finished by the connection of the other users is avoided, the other users can actively connect the handheld printer, the waiting time is favorably shortened, and the user experience is improved.
Fig. 4 is a flowchart of a method for switching wifi network connection by a handheld printer according to a fourth embodiment. Referring to fig. 4, this embodiment is optimized based on the embodiment shown in fig. 3, and after the first mobile terminal finishes data information, the embodiment disconnects the bluetooth connection with the first mobile terminal at a preset time interval, which specifically includes the following steps:
s400, Bluetooth connection and WIFI network connection are established with the first mobile terminal.
And S401, judging that data information transmission with the first mobile terminal through the WIFI network is finished.
S402, judging whether the data transmission ending time of the first mobile terminal lasts for a preset time.
Specifically, the timer can be used for timing, after data transmission of the first mobile terminal is finished, the timer is started for timing, the preset time can be 1 minute, 2 minutes or 5 minutes, a first mobile terminal user can edit the print data and print the print data again, and the preset time is not limited here.
And S403, actively disconnecting the Bluetooth connection with the first mobile terminal when the data transmission with the first mobile terminal is finished and lasts for a preset time.
In this embodiment, after the first mobile terminal and the handheld printer finish data information transmission, the bluetooth connection with the first mobile terminal is actively disconnected, and when the bluetooth connection is disconnected, the timer is cleared. Therefore, the Bluetooth connection is disconnected after waiting for a period of time, so that other users can preempt the Bluetooth connection, and the situation that the control right of the handheld printer is preempted by other terminals when the first mobile terminal sends the data information again for printing in a short time can be avoided.
S404, broadcasting the equipment information and the networking information of the handheld printer through the Bluetooth module.
S405, a Bluetooth connection request sent by the second mobile terminal is received through the Bluetooth module, and Bluetooth connection is established with the second mobile terminal.
S406, the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection to carry out data information transmission.
The details of steps S400, S401, S404, S405, and S406 in this embodiment may refer to the embodiment shown in fig. 3, and are not described herein again.
In this embodiment, after the first mobile terminal finishes transmitting data information to the handheld printer, the handheld printer is disconnected from the first mobile terminal for a preset time, so that the second mobile terminal can preempt the control right of the handheld printer through bluetooth, that is, the first mobile terminal can transmit data information to the handheld printer again for printing in a short time after transmitting data information, for example, the first mobile terminal has poor feeling after printing, and adjust to print again without occupying the handheld printer by the first mobile terminal, after the preset time, the handheld printer actively disconnects the bluetooth connection with the first mobile terminal, so that the second mobile terminal can preempt the control right of the handheld printer based on bluetooth, and establish network connection with the handheld printer, thereby realizing printing through WIFI transmission data information, and ensuring normal printing of the currently connected mobile terminal, other users also have an opportunity to preempt the use right of the handheld printer, for example, after the first user finishes printing, the user does not take the mobile phone out to get in a serial gate, and when other users use the handheld printer, the user right of the handheld printer can be preempted only by the mobile phone of the other users, so that the handheld printer is more convenient.
Fig. 5 is a flowchart of a method for switching wifi network connection by a handheld printer according to a fifth embodiment. Referring to fig. 5, a fifth embodiment is an optimization based on the embodiment shown in fig. 3, and when the first mobile terminal and the second mobile terminal are in the same WIFI subnet, the method in this embodiment includes the following steps:
s500, Bluetooth connection and WIFI network connection are established with the first mobile terminal.
And S501, judging that data information transmission with the first mobile terminal through the WIFI network is finished.
S502, actively disconnecting the Bluetooth connection with the first mobile terminal.
S503, broadcasting the equipment information and the networking information of the handheld printer through the Bluetooth module.
S504, a Bluetooth connection request sent by the second mobile terminal is received through the Bluetooth module, and Bluetooth connection is established with the second mobile terminal.
And S505, judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet.
After the handheld printer establishes bluetooth connection with the first mobile terminal, the device identification information and the network address information of the first mobile terminal are acquired and stored, and after the handheld printer establishes bluetooth connection with the second mobile terminal, the device identification information and the network address information of the second mobile terminal are acquired in the same way, so that the device identification information and the network address information of the first mobile terminal and the network address information of the second mobile terminal can be processed, for example, if the two network addresses are the same as the subnet mask after calculation, the two network addresses are in the same WIFI subnet.
And S506, if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection to transmit data information.
For details of steps S500, S501, S502, S503 and S504 in this embodiment, please refer to the embodiment shown in fig. 3, which is not described herein again.
In this embodiment, it is determined that the first mobile terminal and the second mobile terminal are in the same WIFI subnet, and then the handheld printer directly sends its ip address and port number to the second mobile terminal, so that the second mobile terminal and the handheld printer establish a WIFI network connection for data information transmission. Different users of the embodiment can preempt the use right of the handheld printer, the waiting time is reduced, and the user experience is good.
Fig. 6 is a flowchart of a method for switching wifi network connection by a handheld printer according to a sixth embodiment. Referring to fig. 6, a sixth embodiment is an optimization based on the embodiment shown in fig. 3, and a processing method is adopted when a first mobile terminal and a second mobile terminal are in different WIFI subnets, where the method in this embodiment includes the following steps:
S600, Bluetooth connection and WIFI network connection are established with the first mobile terminal.
And S601, judging that data information transmission with the first mobile terminal through the WIFI network is finished.
And S602, actively disconnecting the Bluetooth connection with the first mobile terminal.
S603, broadcasting the equipment information and the networking information of the handheld printer through the Bluetooth module.
S604, a Bluetooth connection request sent by the second mobile terminal is received through the Bluetooth module, and Bluetooth connection is established with the second mobile terminal.
S605, judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet.
And S606, if the first mobile terminal and the second mobile terminal are in different WIFI subnets, receiving a request for disconnecting the network connection and WIFI distribution network information of the second mobile terminal, which are sent by the second mobile terminal, through a Bluetooth module.
When the first mobile terminal and the second mobile terminal are in different WIFI subnets, the second mobile terminal inputs the SSID and the login password of a network router where the second mobile terminal is located through a software client installed on the second mobile terminal, the second mobile terminal sends a request for disconnecting the network connection between the handheld printer and the first mobile terminal to the handheld printer, and the SSID and the login password of the network router where the second mobile terminal is located are sent to the handheld printer through Bluetooth.
S607, the WIFI network connection with the first mobile terminal is disconnected, the WIFI network connection is established with the second mobile terminal according to the WIFI network distribution information of the second mobile terminal, and WIFI data transmission with the second mobile terminal is achieved.
After receiving the request of the second mobile terminal, the handheld printer disconnects the WIFI network connection with the first mobile terminal, establishes the WIFI network connection with the second mobile terminal according to the SSID and the login password of the router of the network where the second mobile terminal is located, and achieves data information transmission.
According to the embodiment, network connection when the handheld printer and the second mobile terminal are located in different WIFI subnets is achieved, network switching is automatically completed, operation is simple, and user experience is good.
It should be noted that the embodiment shown in fig. 3 may be combined with the embodiments shown in fig. 4, fig. 5, and fig. 6 to form an optimized embodiment, and the above-mentioned embodiments do not represent all implementations, and are not described in detail here.
It should be noted that, in the foregoing embodiment, the first and second mobile terminals in the first mobile terminal and the second mobile terminal are only for convenience of description and do not have practical meanings, and may be substantially the same mobile terminal, where the mobile terminal is a smart device having bluetooth and WIFI communication functions, for example, a mobile phone, a tablet computer, or other portable devices capable of operating and processing data.
Fig. 7 is a block diagram illustrating an apparatus for switching wifi network connection of a handheld printer according to a seventh embodiment. Referring to fig. 7, the device for switching wifi network connection for handheld printers provided in this embodiment is used to implement the method shown in fig. 3, and the device includes:
a first bluetooth connection unit 700 for establishing a connection with a first mobile terminal;
a first WIFI connection unit 701, configured to establish a WIFI network connection with a first mobile terminal;
a first determining unit 702, configured to determine that data information transmission with a first mobile terminal via a WIFI network is finished;
a bluetooth disconnection unit 703 for actively disconnecting the bluetooth connection with the first mobile terminal;
a first bluetooth information broadcasting unit 704 for broadcasting device information and networking information of the handheld printer through a bluetooth module;
the second bluetooth connection unit 705 is configured to receive a bluetooth connection request sent by the second mobile terminal through the bluetooth module, and establish a bluetooth connection with the second mobile terminal;
and the address information sending unit 706 is configured to send the ip address and the port number of the handheld printer to the second mobile terminal through the bluetooth module, so that the second mobile terminal and the handheld printer establish a WIFI network connection to perform data information transmission.
The detailed content of the device refers to the method shown in fig. 3, and is not described herein again.
The device that this embodiment provided handheld printer switches wifi internet access has sent at first mobile terminal and has printed data information after, other users that have the demand of printing can preempt the handheld printer of control, need not wait for the bluetooth of first mobile terminal disconnection and handheld printer to be connected, the technical problem that the disconnection leads to other users to be unable to connect handheld printer after avoiding having the handheld printer of user connection to print, other users can initiatively connect handheld printer, do benefit to and reduce latency, improve user experience.
The device that handheld printer switches wifi internet access still includes:
a data transmission end time judgment unit for judging whether the data transmission end time with the first mobile terminal has continued for a preset time;
the Bluetooth connection disconnection unit is specifically configured to actively disconnect the Bluetooth connection with the first mobile terminal when data transmission with the first mobile terminal is finished and lasts for a preset time.
Further, the apparatus further comprises:
the WIFI subnet judging unit is used for judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet;
The address information sending unit is specifically configured to send the ip address and the port number of the handheld printer to the second mobile terminal if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, so that the second mobile terminal and the handheld printer establish a WIFI network connection to perform data information transmission.
Preferably, the first and second liquid crystal materials are,
the WIFI networking disconnection request receiving unit is used for receiving a request for disconnecting the network connection sent by the second mobile terminal through the Bluetooth module if the first mobile terminal and the second mobile terminal are in different WIFI subnets;
the WIFI distribution network information receiving unit is used for receiving the WIFI distribution network information of the second mobile terminal through the Bluetooth module if the first mobile terminal and the second mobile terminal are in different WIFI subnets;
the first Bluetooth connection unit is specifically used for broadcasting equipment information and networking information of the handheld printer through a Bluetooth module; the method comprises the steps that a Bluetooth connection request of a first terminal is received through a Bluetooth module to establish Bluetooth connection with the first terminal; the WIFI distribution network information of the first terminal, which is sent by the first mobile terminal, is received through the Bluetooth module;
the first WIFI connection unit is specifically used for establishing WIFI network connection with the first terminal according to the received WIFI network distribution information of the first terminal.
An embodiment of the present invention further provides a handheld printer, including:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a method for switching connections between a plurality of mobile terminals for a wifi networked handheld printer, the method comprising:
establishing Bluetooth connection and WIFI network connection with a first mobile terminal;
judging that data information transmission with the first mobile terminal through the WIFI network is finished;
actively disconnecting the Bluetooth connection with the first mobile terminal;
broadcasting equipment information and networking information of the handheld printer through the Bluetooth module;
receiving a Bluetooth connection request sent by a second mobile terminal through a Bluetooth module, and establishing Bluetooth connection with the second mobile terminal;
and sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for switching the connection between the wifi networking handheld printer and the multiple mobile terminals is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A method for switching wifi network connection of a handheld printer is characterized by comprising the following steps:
establishing Bluetooth connection and WIFI network connection with a first mobile terminal;
judging that data information transmission with the first mobile terminal through the WIFI network is finished;
actively disconnecting the Bluetooth connection with the first mobile terminal;
broadcasting equipment information and networking information of the handheld printer through the Bluetooth module;
receiving a Bluetooth connection request sent by a second mobile terminal through a Bluetooth module, and establishing Bluetooth connection with the second mobile terminal;
and sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission.
2. The method of claim 1, wherein after determining that the data information transmission with the first mobile terminal via the WIFI network is finished, the method further comprises:
Judging whether the data transmission ending time of the first mobile terminal lasts for a preset time or not;
the active disconnection and the bluetooth connection of the first mobile terminal specifically comprise:
and when the data transmission with the first mobile terminal is finished and lasts for the preset time, actively disconnecting the Bluetooth connection with the first mobile terminal.
3. The method of claim 1, wherein after the bluetooth connection request sent by the second mobile terminal is received by the bluetooth module and the bluetooth connection is established with the second mobile terminal, the method further comprises:
judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet;
the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection for data information transmission, and the method specifically comprises the following steps:
and if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, the ip address and the port number of the handheld printer are sent to the second mobile terminal through the Bluetooth module, so that the second mobile terminal and the handheld printer establish WIFI network connection for data information transmission.
4. The method of claim 3, wherein after determining whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet, further comprising:
If the first mobile terminal and the second mobile terminal are in different WIFI subnets, a request for disconnecting network connection and WIFI distribution network information of the second mobile terminal, which are sent by the second mobile terminal, are received through the Bluetooth module;
and disconnecting the WIFI network connection with the first mobile terminal, establishing the WIFI network connection with the second mobile terminal according to the WIFI network distribution information of the second mobile terminal, and realizing WIFI data transmission with the second mobile terminal.
5. The method of claim 1, wherein establishing the bluetooth connection and the WIFI network connection with the first mobile terminal comprises:
broadcasting equipment information and networking information of the handheld printer through the Bluetooth module;
the method comprises the steps that a Bluetooth connection request of a first terminal is received through a Bluetooth module to establish Bluetooth connection with the first terminal;
the WIFI distribution network information of the first terminal, which is sent by the first mobile terminal, is received through the Bluetooth module;
and establishing WIFI network connection with the first terminal according to the received WIFI distribution network information of the first terminal.
6. The utility model provides a device that handheld printer switches wifi internet access which characterized in that includes:
the first Bluetooth connection unit is used for establishing connection with a first mobile terminal;
the first WIFI connection unit is used for establishing WIFI network connection with the first mobile terminal;
The first judging unit is used for judging that data information transmission with the first mobile terminal through the WIFI network is finished;
the Bluetooth connection disconnection unit is used for actively disconnecting the Bluetooth connection with the first mobile terminal;
the first Bluetooth information broadcasting unit is used for broadcasting the equipment information and the networking information of the handheld printer through a Bluetooth module;
the second Bluetooth connection unit is used for receiving a Bluetooth connection request sent by the second mobile terminal through the Bluetooth module and establishing Bluetooth connection with the second mobile terminal;
and the address information sending unit is used for sending the ip address and the port number of the handheld printer to the second mobile terminal through the Bluetooth module so as to enable the second mobile terminal and the handheld printer to establish WIFI network connection for data information transmission.
7. The apparatus of claim 6, wherein the apparatus further comprises:
a data transmission end time judgment unit for judging whether the data transmission end time with the first mobile terminal has continued for a preset time;
the Bluetooth connection disconnection unit is specifically configured to actively disconnect the Bluetooth connection with the first mobile terminal when data transmission with the first mobile terminal is finished and lasts for a preset time.
8. The apparatus of claim 6, wherein the apparatus further comprises:
the WIFI subnet judging unit is used for judging whether the first mobile terminal and the second mobile terminal are in the same WIFI subnet;
the address information sending unit is specifically configured to send the ip address and the port number of the handheld printer to the second mobile terminal if the first mobile terminal and the second mobile terminal are in the same WIFI subnet, so that the second mobile terminal and the handheld printer establish a WIFI network connection to perform data information transmission.
9. A hand-held printer, comprising:
one or more processors;
a storage device for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method for switching connection between the wifi networked handheld printer of any one of claims 1-5.
10. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing the method for switching connection between a plurality of mobile terminals for a wifi networked handheld printer as claimed in any one of claims 1 to 5.
CN202010687496.XA 2020-07-16 2020-07-16 Method, device and medium for switching wifi network connection of handheld printer Pending CN111866833A (en)

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Application publication date: 20201030