CN108076031A - Communications Authorization acquisition methods - Google Patents

Abstract

The invention relates to a communication authorization acquisition method for projection. The method for obtaining communication authorization includes that the first user terminal obtains a communication identification capable of controlling the first device terminal, and correspondingly generates and displays an authorization code that can be scanned, the authorization code carries authorization information, and the authorization information is used for The second user terminal obtains the data communication right of the first device terminal capable of being controlled by the first user terminal, and the second user terminal controls the second device terminal to perform data communication according to the acquired data communication right of the first device terminal , so that the second device terminal transmits the current audio and video data to the first device terminal for projection playback.

Description

Communication authorization acquisition method

technical field

The invention relates to a communication authorization acquisition method applied in a projection system.

Background technique

At present, projection equipment plays an important role in conference discussions, reports and speeches.

However, when people in different regions conduct conference discussions, when different people need to use the same projection device to share images or screens, the participants need to mail or store different files to designated locations, which will increase the operational complexity of the participants , while reducing the efficiency of participants.

Contents of the invention

In order to solve the technical problem of poor usage efficiency of the prior art projection system, it is necessary to provide a communication authorization acquisition method with better projection usage efficiency.

A communication authorization acquisition method, comprising:

The first user terminal generates and displays an authorization code that can be scanned, the authorization code carries authorization information, and the authorization information is used for the second user terminal to obtain the data communication of the first device terminal that the first user terminal can control. right.

Preferably, the first device terminal is a projection device, and the authorization information is used for the second user terminal to control the second device terminal so that the second device terminal establishes data communication with the first device terminal, And send the audio-visual data displayed and played by the second device terminal in real time to the first device terminal, so that the first device terminal projects and plays the audio-visual data, and the second device terminal is a display and playback terminal.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal,

The communication authorization method also includes:

The first user terminal receives the projection permission request sent by the second user terminal, the communication identification of the information recipient of the projection permission request is set as the communication identification of the first user terminal, and the projection permission request carries a device identifier of the second device terminal;

the first user terminal displays the projection permission request;

The first user terminal receives an input operation from an external user based on the projection permission request, and if the first user terminal detects that a predetermined user operation corresponding to a projection approval instruction occurs, the agreeing to the projection instruction, so that the second user terminal sends a projection instruction carrying the communication identification of the first equipment terminal to the second equipment terminal, and the projection instruction is used to instruct the second equipment terminal to The communication identifier of the first device terminal establishes data communication with the first device terminal, and sends the audio-visual data to the first device, so that the first device terminal projects and plays the audio-visual data.

Preferably, if the first user terminal detects that a predetermined user operation corresponding to the agreeing projection instruction occurs, it sends the device identifier of the second device terminal to the first device terminal to indicate that the first device terminal The terminal projects and plays the audio-visual data sent by the second device terminal.

Preferably, the projection consent instruction further includes a dynamic password to instruct the first device terminal to verify whether the object sending the audio-visual data is the second device terminal.

Preferably, the object sending the audio-visual data provides the dynamic password obtained by the first device terminal, if the first device terminal obtains the dynamic password received from the first user terminal and the first If the dynamic passwords provided by the two device terminals are consistent, it means that the object sending the audio-visual data is the second device terminal.

Preferably, the authorization information includes the communication identification of the first user terminal, the communication identification of the first device terminal and a dynamic password,

The communication authorization method also includes:

The first user terminal provides the dynamic password to the second device terminal;

The projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identifier of the first device terminal, and to send the audio-visual data to the first device, so that The first device terminal projects and plays the audio-visual data, and the dynamic password is used to instruct the first device terminal to project and play the audio-visual data sent by the second device terminal.

Preferably, when the first user terminal generates the authorization code, it also generates a projection time point, the projection time is pre-stored and obtained according to an external user input setting, and the first device terminal at the projection time point After that, only the audio-video data sent by the second device terminal is received.

Preferably, the authorization information further includes a projection time point, the projection time is pre-stored and obtained according to an external user input setting, after the projection time point, the first device terminal only receives the second device terminal The audio-visual data sent.

Preferably, the authorization information further includes priority information, the priority information is pre-stored and obtained according to external user input settings, and the priority information includes a plurality of the second device terminals providing the audio and video The sequence of the data, the priority information is used to indicate that the first device terminal receives the audio-visual data provided by the second device terminal in sequence according to the priority information when receiving multiple projection requests.

Preferably, the authorization information further includes priority information, the priority information is pre-stored and obtained according to external user input settings, and the priority information includes a plurality of the second device terminals providing the audio and video The sequence of the data, the priority information is used to indicate that the first device terminal receives the audio-visual data provided by the second device terminal in sequence according to the priority information when receiving multiple projection requests.

A method for obtaining communication authorization, comprising the following steps:

The second user terminal scans the authorization code displayed by the first user terminal, where the authorization code carries authorization information, and the authorization information is used to obtain the data communication right of the first device terminal that can be controlled by the first user terminal;

The second user terminal parses the authorization code to obtain the authorization information;

The second user terminal performs data communication with the first device terminal according to the authorization information.

Preferably, the step of the second user terminal performing data communication with the first device terminal according to the authorization information includes:

The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, and the second device terminal is a terminal that the second user terminal can control.

Preferably, the second device terminal is a display and playback terminal, and the display and playback terminal is used to play audio and video data, and the first device terminal is a projection device;

The step of the second user terminal controlling the second device terminal to perform data communication with the first device terminal according to the authorization information includes:

The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, so that the first device terminal projects and plays the audio played by the second device terminal in real time. view data.

Preferably, the authorization information includes the communication identification of the first device terminal;

The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, so that the first device terminal projects and plays the audio played by the second device terminal in real time. The steps to view the data include:

The second user terminal sends a projection instruction carrying the communication identification of the first equipment terminal to the second equipment terminal, so that the second equipment terminal establishes data with the first equipment terminal according to the communication identification. communicating and sending the audio-visual data to the first device terminal, so that the first device terminal projects and plays the audio-visual data.

Preferably, the authorization information further includes attachment information of the first device terminal;

The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, so that the first device terminal projects and plays the audio played by the second device terminal in real time. The steps of viewing data also include:

The second user terminal displays a menu option including the attachment information;

When the second user terminal detects that a predetermined user operation on the menu option occurs, the projection instruction is generated.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the projection device;

The second user terminal controls the display and playback terminal to perform data communication with the projection device according to the authorization information, so that the projection device projects and plays the audio-visual data played by the display and playback terminal in real time, including:

The second user terminal sends a projection permission request to the first user terminal, the communication identification of the information recipient of the projection permission request is set as the communication identification of the first user terminal, and the projection permission request carries the The device identifier of the second device terminal, the device identifier of the second device terminal is used for the first user terminal to instruct the first device terminal to project and play the audio-visual data sent by the second device terminal;

When the second user terminal receives the projection approval instruction sent by the first user terminal in response to the projection permission request, send the projection carrying the communication identification of the first device terminal to the second device terminal instruction, the projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identification of the projection device, and send the audio-visual data to the first device terminal, so as to enabling the first device terminal to project and play the audio-visual data.

Preferably, the consent projection instruction further includes a dynamic password, and the device identification of the second device terminal and the dynamic password constitute permission information,

When the second user terminal receives the projection approval instruction sent by the first user terminal in response to the projection permission request, send the projection carrying the communication identification of the first device terminal to the second device terminal instruction, the projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identification of the projection device and the dynamic password, and to send the first device terminal the Audio and video data, so that the first device terminal projects and plays the audio and video data.

Preferably, the object sending the audio-visual data provides the authority information to the first device terminal, if the first device terminal obtains the authority information received from the first user terminal and the second If the permission information provided by the device terminal is consistent, it means that the object sending the audio-visual data is the second device terminal.

Preferably, the authorization information includes the communication identification of the first user terminal, the communication identification of the first device terminal and a dynamic password,

The second user terminal controls the display and playback terminal to perform data communication with the projection device according to the authorization information, so that the projection device projects and plays the audio-visual data played by the display and playback terminal in real time, including:

The dynamic password is provided to the first device terminal after the authorization information is generated;

The second user terminal sends a projection instruction carrying the communication identification of the first device terminal and the dynamic password to the second device terminal, and the projection instruction is used to instruct the second device terminal to The communication identifier of the device establishes data communication with the first device terminal, and sends the audio-visual data to the first device terminal, so that the first device terminal projects and plays the audio-visual data.

A method for obtaining communication authorization, comprising the following steps:

The first device terminal generates and displays a scannable authorization code via the first user terminal, the authorization code carries authorization information, and the first device terminal is controlled by the first user terminal; and

The data communication right of the first device terminal is obtained by the second user terminal through the authorization information and data communication is established.

Preferably, the step of obtaining the data communication right of the first device terminal for the second user terminal through the authorization information and establishing data communication includes:

The first device terminal communicates data with the second device terminal controlled by the second user terminal according to the authorization information.

Preferably, the second device terminal is a display and playback terminal, and the display and playback terminal is used to play audio and video data, and the first device terminal is a projection device;

The step of the first device terminal communicating data with the second device terminal controlled by the second user terminal according to the authorization information includes:

The first device terminal receives a communication request sent from the second device terminal;

The first device terminal establishes data communication with the second device terminal according to the communication request, so that the first device terminal projects and plays the audio-visual data played by the second device terminal in real time.

Preferably, the authorization information includes the communication identification of the first device terminal.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal,

The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes:

The first device terminal receives the communication identification of the second device terminal provided by the first user terminal when receiving an external input operation corresponding to an instruction to agree to the projection;

The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, where the projection request includes the communication identifier of the object sending the projection request;

The second device terminal verifies whether the communication identifier of the object sending the projection request is consistent with the communication identifier of the second device terminal provided by the first user terminal, if the communication identifier of the object sending the projection request is consistent with the communication identifier of the object sent from the first user terminal The provided communication identifiers of the second device terminals are consistent, and the first device terminal receives and plays the audio-visual data provided by the second device terminal.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal,

The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes:

The first device terminal receives the communication identification and the dynamic password from the second device terminal provided when the first user terminal receives an external input operation corresponding to an instruction to agree to the projection;

The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, and the projection request includes the dynamic password;

The second device terminal verifies whether the dynamic password of the object sending the projection request is consistent with the dynamic password provided by the first user terminal, and if they are consistent, the first device terminal receives and plays the dynamic password of the second device terminal Audiovisual data provided.

Preferably, the authorization information includes the communication identification of the first user terminal, the communication identification and dynamic password of the first device terminal,

The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes:

The first device terminal receives the dynamic password provided by the first user terminal while generating the authorization information;

The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, where the projection request includes the dynamic password;

The second device terminal verifies whether the dynamic password of the object sending the projection request is consistent with the dynamic password provided by the first user terminal, and if they are consistent, the first device terminal receives and plays the dynamic password of the second device terminal Audiovisual data provided.

A method for obtaining communication authorization, comprising the following steps:

The second device terminal obtains the data communication right of the first device terminal that can be controlled by the first user terminal through the second user terminal, wherein the first user terminal generates and displays an authorization code that can be scanned, and the authorization code carries authorization information, The authorization code carrying authorization information is provided to the second device terminal through the second user terminal, and the second device terminal establishes data communication with the first device terminal according to the authorization information.

Preferably, the second device terminal performs data communication with the first device terminal under the control of the second user terminal.

Preferably, the second device terminal is a display and playback terminal for playing audio-visual data, and the first device terminal is a projection device;

The step of establishing the data communication between the second device terminal and the first device terminal according to the authorization information includes:

The second device terminal performs data communication with the first device terminal under the control of the second user terminal according to the authorization information, and the second device terminal transmits audio-visual data displayed and played in real time to the The first device terminal is used to perform projection playback.

Preferably, the authorization information includes the communication identification of the first device terminal;

The second device terminal performs data communication with the first device terminal under the control of the second user terminal according to the authorization information, and the second device terminal transmits audio-visual data displayed and played in real time to the The steps for the first device terminal to perform projection playback include:

The second device terminal receives a projection instruction carrying the communication identifier of the first device terminal sent from the second user terminal;

The second device terminal establishes data communication with the first device terminal according to the communication identifier, and sends the audio-visual data to the first device terminal, so that the first device terminal projects and plays the audio-visual data. view data.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal,

The step of the second device terminal performing data communication with the first device terminal under the control of the second user terminal according to the authorization information includes:

The second device terminal receives a projection instruction carrying the communication identifier of the first device terminal sent from the second user terminal, and the projection instruction is that the first device terminal receives a message from the first user terminal at Provided by the second user terminal when receiving an external input operation corresponding to an agreed projection instruction;

The second device terminal sends a projection request to the first device terminal according to the projection instruction, wherein the projection request includes a communication identifier of the second device terminal;

When the first device terminal agrees to establish data communication with the second device terminal, the second device terminal sends the audio-visual data to the first device terminal for playback.

Preferably, the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal,

The step of the second device terminal performing data communication with the first device terminal under the control of the second user terminal according to the authorization information includes:

The second device terminal receives a projection instruction carrying the communication identification of the first device terminal and a dynamic password sent from the second user terminal, and the projection instruction is that the first device terminal receives a dynamic password from the first device terminal. A user terminal is provided by the second user terminal when receiving an external input operation corresponding to an agreed projection instruction;

The second device terminal sends a projection request to the first device terminal according to the projection instruction, wherein the projection request includes the communication identification of the second device terminal and the dynamic password;

When the first device terminal agrees to establish data communication with the second device terminal, the second device terminal sends the audio-visual data to the first device terminal for playback.

Preferably, the authorization information includes the communication identification of the first user terminal, the communication identification and dynamic password of the first device terminal,

The step of the second device terminal performing data communication with the first device terminal under the control of the second user terminal according to the authorization information includes:

The second device terminal receives a projection instruction carrying the communication identification of the first device terminal and a dynamic password sent from the second user terminal, and the projection instruction is that the first device terminal receives a dynamic password from the first device terminal. A user terminal is provided by the second user terminal when receiving an external input operation corresponding to an agreed projection instruction;

The second device terminal sends a projection request to the first device terminal according to the projection instruction, wherein the projection request includes the communication identification of the second device terminal and the dynamic password;

When the first device terminal agrees to establish data communication with the second device terminal, the second device terminal sends the audio-visual data to the first device terminal for playback.

Compared with the prior art, the first user terminal obtains the device information of the first device terminal to generate an authorization code, and the second user terminal uses the authorization code to select and control the stored and played audio and video data of the second device terminal to convert the audio and video data The data is transmitted to the first device terminal for projection and playback, thereby effectively integrating and sharing the terminal devices in the same local area network or different local area networks as the second device terminal of the projection application device, and improving the efficiency of projection.

Description of drawings

FIG. 1 is a schematic diagram of system components of the projection system of the present invention.

FIG. 2 is a system structure diagram of the projection system.

FIG. 3 is a schematic diagram of a terminal device applying for account registration to an Internet of Things system platform through an Internet of Things gateway.

FIG. 4 shows the corresponding relationship between the terminal device, the IoT system platform and the account shown in FIG. 2 and FIG. 3 .

Fig. 5 is a schematic flow chart of generating an authorization code by a first terminal.

FIG. 6 is a schematic diagram of the authorization code shown in FIG. 5 .

FIG. 7 is a schematic diagram of a control operation interface generated by the third terminal shown in FIG. 4 .

FIG. 8 is a schematic diagram of the control operation interface shown in FIG. 7 .

FIG. 9 is a schematic flow diagram of projection between the fourth terminal and the second terminal.

FIG. 10 is a schematic flow diagram of projection between the fourth terminal and the second terminal in the second embodiment of the present invention.

FIG. 11 is a schematic flowchart of projection between the fourth terminal and the second terminal in the third embodiment of the present invention.

Fig. 12 is a flow chart of the projection system in the fourth embodiment of the present invention.

Explanation of main component symbols

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. Similar applications, therefore, the present invention is not limited by the specific embodiments disclosed below.

Secondly, the present invention is described in detail in combination with schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, and it should not be limited here. The protection scope of the present invention.

The technical solutions in the embodiments of the present invention will be specifically described below in conjunction with the drawings in the embodiments of the present invention.

Please refer to FIG. 1 . FIG. 1 is a schematic diagram of system components of the projection system of the present invention. It can be understood that the application of the projection system 10 is based on the Internet I and multiple local area networks L, wherein the multiple local area networks L are all connected to the Internet I to communicate with each other.

Taking the projection system 10 located in any one of the local area networks L as an example, the specific composition and operating principle of the projection system 10 will be described in detail.

Specifically, the local area network L includes an IoT gateway L1, an IoT system platform L2, and multiple terminal devices L3, wherein each terminal device L3 also includes an input/sensing module L31 and an execution module L32. Multiple terminal devices L3 communicate with each other through the IoT gateway L1 and the IoT system platform L2. At the same time, they can also be connected to the Internet I through the IoT gateway L1, and then connected to other local area networks L. Alternatively, the multiple terminal devices L3 may also be respectively located in different local area networks.

The Internet of Things system platform L2 is used to provide the registration application and login dialog box of the terminal device L3, receive the registration application of the terminal device L3, and correspondingly generate and provide the corresponding account, and manage the corresponding account, and temporarily store the transmission from the IoT gateway L1 provided data information.

Specifically, please refer to FIG. 2 , which is a system structure diagram of the projection system 10 .

The projection system 10 includes a first user terminal 11 , a first device terminal 12 , a second user terminal 13 , a second device terminal 14 , a third user terminal 15 , and a third device terminal 16 . Among them, the first user terminal 11, the first device terminal 12, the second user terminal 13, the second device terminal 14, the third user terminal 15, and the third device terminal 16 are specific device categories of the terminal device L3, and these The terminal device L3 communicates with each other and performs data transmission through the IoT gateway L1.

In this embodiment, the first user terminal 11, the second user terminal 13 and the third user terminal 15 are an operation control terminal capable of displaying images and receiving user operations, such as mobile phones; the first device terminal 12 is a display application terminal , such as a projection device; the second device terminal 14 and the third device terminal 16 are information bearing terminals for storing audio and video application data, such as computer devices.

The first user terminal 11 and the first device terminal 12 form a first group and are bound to each other, and the first user terminal 11 can obtain communication identification information of the first device terminal 12 . The second user terminal 13 and the second device terminal 14 form a second group and are bound to each other, and the second device terminal 14 can acquire the communication identification information of the second user terminal 13 . The third user terminal 15 and the third device terminal 16 form a third group and are bound to each other, and the third user terminal may also obtain communication identification information of the third device terminal. It should be noted that the communication identification information is an identification for the first device terminal 12 to link to the IoT system platform L2 and communicate with other terminals, such as device attributes, account numbers, IP addresses, and the like.

Please refer to FIG. 3 , wherein FIG. 3 is a schematic diagram of the terminal device L3 applying for account registration to the IoT system platform L2 through the IoT gateway L1 .

First, in step S301, the first user terminal 11 is connected to the IoT gateway L1, and the IoT gateway L1 provides a login interface and a dialog box. In step S302, the first user inputs corresponding first setting information, and the first setting information includes device attribute setting, account number, password and the like. In step S303, the IoT gateway L1 identifies and stores the first setting information, and obtains the first type of account from the IoT system platform L2. Wherein, the first type of account corresponds to an operation control terminal, and the operation control terminal may be the first user terminal 11 , the second device terminal 14 and the third user terminal 15 , such as a mobile phone.

In step S304, the IoT gateway L1 feeds back the first type of account to the first user. The first type of account includes at least two accounts. In this embodiment, the number of the at least two accounts is three, specifically the first account, the second account, and the fifth account, which can respectively correspond to the first user terminal 11. The second user terminal 13 and the third user terminal 15 .

The second user links to the IoT gateway L1, step S305, the IoT gateway L1 provides a login registration interface and a dialog box, in step S306, the second user inputs the corresponding second setting information, and then in step S307, the IoT gateway L1 identifies and stores the second setting information, and obtains the second type of account from the IoT system platform. Wherein, the second type of account corresponds to an application terminal, and the application terminal may be the first device terminal 12, such as a projector. In step S308, the IoT gateway L1 feeds back the second type of account to the second user. In this embodiment, the second type of account includes at least one account, which may be a third account, and may correspond to the first device terminal 12 .

Similarly, in step S309, the third user connects to the IoT gateway L1, and the IoT gateway L1 provides a login registration interface and a dialog box. Then in step S310, the third user inputs the corresponding second setting information. In step S311, the IoT gateway L1 identifies and stores the third setting information, and obtains the third type account 312 from the IoT system platform. Wherein, the third type of account corresponds to the information bearing terminal, the information bearing terminal is the second device terminal 14 and the third device terminal 16, which store image data for projection display, and the information bearing terminal can be a notebook Computer (Notebook), personal computer (Personal Computer, PC), etc. Finally, in step S312, the IoT gateway L1 feeds back the third type of account to the third user. The third type of account includes at least one account. In this embodiment, the number of the at least one account is two. The account can be the fourth account and the sixth account, which can correspond to the second device terminal 14 and the third device terminal 16 .

Wherein, the first user, the second user and the third user may be the same user, or may be different users, which is not limited thereto.

Please refer to FIG. 4 , which shows the corresponding relationship between terminal devices, IoT system platforms and accounts shown in FIG. 2 and FIG. 3 .

As shown in Figure 4, the first user terminal 11 uses the first account to log in to the IoT system platform L2 from the IoT gateway L1, the first device terminal 12 logs in through the third account, and the second user terminal 13 logs in through the second account , the second device terminal 14 uses the fourth account to log in, the third user terminal 15 uses the fifth account to log in, and the third device terminal 16 uses the sixth account to log in. In this embodiment, the first user terminal 11 and the first device terminal 12 are bound into a group, the second user terminal 13 is bound into a group with the fourth terminal, and the third user terminal 15 is bound with the third device terminal 16 as a group.

Specifically, please refer to FIG. 5 , where FIG. 5 is a schematic flow chart of generating an authorization code by the first user terminal 11 . Specifically, the authorization code carries authorization information, and the authorization information includes at least the communication identification of the first user terminal 11 and the communication identification of the first device terminal 12 . In this embodiment, the authorization code is a two-dimensional code pattern.

As shown in Fig. 5, in step S501, the first user terminal 11 can obtain the communication identifier of the first device terminal 12 from the IoT gateway L1, and in step S502, correspondingly generate an authorization code.

Please refer to Figure 5 and Figure 6 together, wherein Figure 6 is a schematic diagram of the authorization code displayed by the first user terminal 11 shown in Figure 5, as shown in Figure 6, the first user terminal 11 will obtain the second device terminal 12 The information is displayed, and at the same time, operable options are generated, and the authorization code is correspondingly generated under the user's input operation.

The authorization information in the authorization code includes at least the communication identification of the first user terminal 11 and the communication identification of the second device terminal 12 . The communication identifier of the first user terminal 11 includes the IP address or account of the first user terminal 11 , and the communication identifier of the first device terminal 12 includes the IP address or account of the first device terminal 12 .

Please refer to FIG. 7 and FIG. 8 together. FIG. 7 is a schematic flow chart of generating the control operation interface by the second user terminal 13 shown in FIG. 4 , and FIG. 8 is a schematic diagram of the control operation interface shown in FIG. 7 . As shown in Figure 7,

In step S701 , the second user terminal 13 acquires the communication identifier of the second device terminal 14 .

In step S702 , the second user terminal 13 obtains the authorization information by scanning the authorization code of the first user terminal 11 , wherein the authorization information includes the communication identification of the first device terminal 12 .

In step S703, as shown in FIG. 8 , it is the operable options and screens generated by the second user terminal 13 according to the authorization code. Specifically, the second user terminal 13 carries the information obtained from the authorization information to the communication of the terminal. The identification and the acquired communication identification of the application terminal are taken as operable options, for example, the communication identification information of the second device terminal 14 is used as an operable option, and the communication identification of the first device terminal 12 is also used as an operable option.

Specifically, as shown in Figure 8, the communication identification of the second equipment terminal 14 is displayed with the equipment name of the second equipment terminal 14; the communication identification of the first equipment terminal 12 is displayed with the equipment name of the first equipment terminal 12 . In addition, when the second user terminal 13 detects that the option of the communication identification of the second device terminal 14 and the option of the communication identification of the first device terminal 12 are operated and activated, the second user terminal 13 generates a corresponding control instruction, and the second user terminal 13 generates a corresponding control command. A user terminal 11 and a second device terminal 14 execute corresponding actions through execution modules according to the control instruction.

It should be noted that the working principles of the third user terminal 15 and the third device terminal 16 are the same as those of the second user terminal 13 and the second device terminal 14 described above, and will not be described in detail in this embodiment. The second user terminal 13 and the second device terminal 14 are used as examples to illustrate the working process of the projection system 10 , and the working process of the third user terminal 15 and the third device terminal 16 will not be described in detail.

As shown in FIG. 9 , where FIG. 9 is a schematic flow diagram of the second device terminal 14 projecting with the first device terminal 12 according to the control command, in this embodiment, the control command is a projection command.

In step S901, the second user terminal 13 outputs a projection command to the second device terminal 14; in step S902, the second device terminal 14 sends a corresponding projection request to the IoT gateway L1, and then sends the projection request to the first Device terminal 12; in step S903, the first device terminal 12 feeds back a projection consent command, and in step S904, the second device terminal 14 passes the audio and video data to be projected currently in the running or playing state through the Internet of Things gateway L1 The first device terminal 12 then performs projection display based on the audio and video data transmitted by the second device terminal 14 .

Alternatively, as shown in FIG. 10 , wherein FIG. 10 is a schematic flow chart of projection between the second device terminal 14 and the first device terminal 12 in the second embodiment of the present invention.

After the second user terminal 13 generates the control instruction according to the authorization code and the external input information provided under the input operation of the external user, the second user terminal 13 executes the following steps. In this embodiment, the control instruction is a projection permission request transmitted to the first user terminal 11 .

In step S1001 , the second user terminal 13 sends the projection permission request to the first user terminal 11 . Wherein, the projection permission request includes the communication identification of the second user terminal 13 and the communication identification of the second device terminal 14 .

In step S1002, the first user terminal 11 parses the projection permission request, and extracts and displays the information of the second user terminal 13 as an information bearing terminal in the projection permission request. The current usage status and the attributes of the second device terminal 14 provide an external input command to the first user terminal 11 , and the first user terminal 11 generates an agree projection command Y or reject projection command N according to the external input command.

When the first user terminal 11 generates an approval projection instruction, the first user terminal 11 outputs the approval projection instruction to the second user terminal 13, and at the same time, the first user terminal 11 sends the second device terminal obtained from the projection permission request The communication identification of 14 is sent to the first device terminal 12. When the first user terminal 11 generates a projection rejection instruction, it refuses to transmit the data information in the second device terminal 14 to the first device terminal 12 for projection display. In this embodiment, the projection rejection instruction is not transmitted to the second user terminal 13, that is, when the second user terminal 13 does not receive the projection approval instruction, it means that the first user terminal 11 does not allow the second device terminal 14 transmit the data information to the first device terminal 12 for projection display, of course, alternatively, the projection rejection instruction may also be transmitted to the second user terminal 13 .

In step S1003 , the second user terminal 13 outputs a projection command to the second device terminal 14 according to the agreed projection command, so as to instruct the second device terminal 14 to send audio and video data to be projected and displayed to the first device terminal 12 . Wherein, the projection instruction includes the communication identification of the first device terminal 12 .

In step S1004, the second device terminal 14 sends a projection request to the first device terminal 12 according to the projection instruction. Wherein, the projection request includes the communication identification of the second device terminal 14 .

In step S1005, after receiving the projection request from the second device terminal 14, the first device terminal 12 parses the projection request and obtains the communication identification of the second device terminal 14, and compares it with the projection request received from the first user terminal 11. The equipment information of the second equipment terminal 14 is compared and verified and analyzed. If the information is consistent (Y), then a projection permission instruction is fed back to the second equipment terminal 14, and the second equipment terminal 14 can transmit the audio and video data currently played and displayed to The first device terminal 12 performs projection display; if the information is inconsistent (N), then a projection prohibition command is fed back to the second device terminal 14, and the second device terminal 14 is then prohibited from transmitting projection data to the first device terminal 12. Of course, in In other implementation manners of the present invention, the first device terminal 12 may not feed back information to the second device terminal 14 .

In step S1006, after receiving the projection permission instruction, the second device terminal 14 transmits the audio and video data to the first device terminal 12, and the first device terminal 12 transmits the audio and video data transmitted by the second device terminal 14 The data are projected and displayed.

Alternatively, as shown in FIG. 11 , in the third embodiment of the present invention, the flow diagram of projection between the second device terminal 14 and the first device terminal 12 is shown. In the second user terminal 13, according to the authorization code and under the control of the user, The control instruction is generated. In this embodiment, the control instruction is a projection permission request.

In step S1101 , the second user terminal 13 sends the projection permission request to the first user terminal 11 . The projection permission request includes the communication identification of the first device terminal 12 and the communication identification of the second device terminal 14 .

In step S1102, the first user terminal 11 parses the projection permission request, and from the communication identification of the second device terminal 14 as an information-bearing terminal in the projection permission request, the external user according to the current use of the first device terminal 12 The state and the attribute of the second device terminal 14 are judged and the first user terminal 11 is controlled to generate the projection instruction Y or the projection instruction N rejected.

When the first user terminal 11 generates an approval projection instruction, it outputs the approval projection instruction to the second user terminal 13, wherein the projection approval instruction includes at least one dynamic password information. At the same time, the first user terminal 11 provides the dynamic password information and the communication identification of the second device terminal 14 as permission information to the first device terminal 11.

In step S1103, the second user terminal 13 outputs a projection command to the second device terminal 14 according to the agreed projection command, for instructing the second device terminal 14 to send audio and video data to the first device terminal 12 for projection display. Wherein, the projection instruction includes the communication identification of the first device terminal 11 and the dynamic password information.

In step S1104 , the second device terminal 14 sends a projection request to the first device terminal 12 according to the projection instruction, so as to request the first device terminal 12 to project audio and video data. Wherein, the projection instruction includes the dynamic password.

In step S1105, after the first device terminal 12 receives the projection request from the second device terminal 14, it parses and obtains the communication identification of the second device terminal 14 and the dynamic password information in the projection request, and compares it with the dynamic password information from the first device terminal 14. The permission information received by the user terminal 11 is compared, verified and analyzed, and if the information is consistent (Y), a projection permission instruction is fed back to the second device terminal 14 . If the information is inconsistent (N), the first device terminal 12 feeds back a projection prohibition command to the second device terminal 14, and the second device terminal 14 is prohibited from transmitting projection data to the first device terminal 12. Of course, in other embodiments of the present invention In this case, the first device terminal 12 may not feed back information to the second user terminal 13.

In step S1106, after receiving the projection permission instruction, the second device terminal 14 transmits the audio and video data to be projected to the first device terminal 12, and the first device terminal 12 then transmits the audio and video data according to the audio and video data transmitted by the second device terminal 14. The data are projected and displayed.

Alternatively, the projection request may only include the dynamic secret information.

Please refer to FIG. 12, wherein, FIG. 12 is a schematic diagram of the projection process of the projection system according to the fourth embodiment of the present invention. As shown in FIG. 12, in step S1201, the first user terminal 11 acquires the first device terminal 12 through the IoT gateway L1 The device information of the first device terminal 12, wherein the device information of the first device terminal 12 includes the communication identifier of the first device terminal 12.

In step S1202, the first user terminal 11 generates an authorization code according to the device information of the aforementioned first device terminal 12, and the authorization information in the authorization code includes at least the communication identification of the first user terminal 11 and the communication identification of the first device terminal 12 and a dynamic password information. In this embodiment, the authorization code is a two-dimensional code.

In step S1203 , the first user terminal 11 provides the dynamic password information to the first device terminal 12 .

In step S1204, the second user terminal 13 scans the authorization code of the first user terminal 11, and generates a control operation interface including the second device terminal 14 through the authorization information in the authorization code, and obtains the dynamic password information at the same time.

In step S1205, the second user terminal 13 generates a corresponding projection instruction under the operation control of the external user. The projection instruction includes the communication identification of the first device terminal 12 and the dynamic password information.

In step S1206, the second user terminal 13 sends the projection instruction to the second device terminal 14 for instructing the second device terminal 14 to provide audio and video data to the proposing device terminal 12 for projection display.

In step S1207, the second device terminal 14 sends a corresponding projection request to the first device terminal 12 according to the projection instruction, so as to request to project audio and video data. Wherein, the projection request includes the dynamic password information.

In step S1208, after receiving the projection request from the second device terminal 14, the first device terminal 12 parses the dynamic password information in the projection request, and compares it with the dynamic password information received from the first user terminal 11. The information is compared, verified and analyzed, and if the information is consistent (Y), a projection permission request is fed back to the second device terminal 14 . If the information is inconsistent (N), the first device terminal 12 feeds back a projection prohibition command to the second device terminal 14 , and the second device terminal 14 is prohibited from transmitting projection data to the first device terminal 12 .

In step S1209, after receiving the projection permission instruction, the second device terminal 14 transmits the audio and video data to be projected to the first device terminal 12, and the first device terminal 12 then transmits the audio and video data according to the audio and video data transmitted by the second device terminal 14. The data are projected and displayed.

Preferably, in the foregoing four implementation manners, when the first user terminal 11 generates the authorization code, it also generates a projection time point, and the projection time is pre-stored and obtained according to an external user input setting. A device terminal 12 only receives the audio-visual data sent by the second device terminal 14 after the projection time point.

Alternatively, the authorization information further includes a projection time point, the projection time is pre-stored and obtained according to an external user input setting, after the projection time point, the first device terminal 12 only receives the second The audio and video data sent by the device terminal 14.

Preferably, the authorization information further includes priority information, the priority information is pre-stored and obtained according to external user input settings, and the priority information includes information indicating that a plurality of the second device terminals 14 provide the audio Depending on the order of the data, the priority information is used to instruct the first device terminal 12 to sequentially receive the audio-visual data provided by the second device terminal 14 according to the priority information when receiving multiple projection requests.

Compared with the prior art, the projection system links the first user terminal 11, the first device terminal 12, the second user terminal 13, and the second device terminal 14 as a whole through the Internet of Things gateway and the Internet of Things system platform, and through The first user terminal 11 obtains the device information of the first device terminal 12 to generate an authorization code, and selects the second user terminal 13 storing data to be projected and the second device terminal 14 as an application device through the authorization code, thereby effectively Terminal devices in the same local area network or different local area networks are effectively integrated and shared as the second device terminal 14 as a projection application device, which improves projection efficiency.

Claims (18)

1. A communication authorization acquisition method, comprising: The first user terminal generates and displays an authorization code that can be scanned, the authorization code carries authorization information, and the authorization information is used for the second user terminal to obtain the data communication of the first device terminal that the first user terminal can control. right. 2. The communication authorization acquisition method according to claim 1, wherein the first device terminal is a projection device, and the authorization information is used for the second user terminal to control the second device terminal so that the The second device terminal establishes data communication with the first device terminal, and sends the audio-visual data displayed and played by the second device terminal in real time to the first device terminal, so that the first device terminal projects and plays the For audio and video data, the second device terminal is a display and playback terminal. 3. The communication authorization acquisition method according to claim 2, wherein the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal, The communication authorization method also includes: The first user terminal receives the projection permission request sent by the second user terminal, the communication identification of the information recipient of the projection permission request is set as the communication identification of the first user terminal, and the projection permission request carries a device identifier of the second device terminal; the first user terminal displays the projection permission request; The first user terminal receives an input operation from an external user based on the projection permission request, and if the first user terminal detects that a predetermined user operation corresponding to a projection approval instruction occurs, the agreeing to the projection instruction, so that the second user terminal sends a projection instruction carrying the communication identification of the first equipment terminal to the second equipment terminal, and the projection instruction is used to instruct the second equipment terminal to The communication identification of the first device terminal establishes data communication with the first device terminal, and sends the audio-visual data to the first device, so that the first device terminal projects and plays the audio-visual data, wherein , if the first user terminal detects that a predetermined user operation corresponding to the agreeing projection instruction occurs, send the device identification of the second device terminal to the first device terminal to instruct the first device terminal to project Playing the audio and video data sent by the second device terminal. 4. The method for obtaining communication authorization according to claim 3, wherein the instruction of agreeing to projection also includes a dynamic password to instruct the first device terminal to verify whether the object sending the audio-visual data is the second The device terminal, wherein the object sending the audio-visual data provides the first device terminal with the dynamic password obtained by it, if the first device terminal obtains the dynamic password received from the first user terminal and the If the dynamic passwords provided by the second device terminal are consistent, it means that the object sending the audio-visual data is the second device terminal. 5. The communication authorization acquisition method according to claim 2, wherein the authorization information includes the communication identification of the first user terminal, the communication identification of the first device terminal and a dynamic password, and the communication Authorization methods further include: The first user terminal provides the dynamic password to the second device terminal; The projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identifier of the first device terminal, and to send the audio-visual data to the first device, so that The first device terminal projects and plays the audio-visual data, and the dynamic password is used to instruct the first device terminal to project and play the audio-visual data sent by the second device terminal. 6. The communication authorization acquisition method according to any one of claims 1-5, characterized in that, when the first user terminal generates the authorization code, it also generates a projection time point, and the projection time is based on external The user inputs the setting and stores it in advance, and the first device terminal only receives the audio-visual data sent by the second device terminal after the projection time point. 7. The communication authorization acquisition method according to any one of claims 1-5, wherein the authorization information further includes a projection time point, and the projection time is pre-stored and obtained according to an external user input setting. After the projection time point, the first device terminal only receives the audio-visual data sent by the second device terminal. 8. The communication authorization acquisition method according to claim 6, wherein the authorization information further includes priority information, the priority information is pre-stored and obtained according to external user input settings, and the priority information Including the sequence indicating that multiple second device terminals provide the audio-visual data, the priority information is used to instruct the first device terminal to receive the second audio-visual data sequentially according to the priority information when receiving multiple projection requests. Audio and video data provided by the device terminal. 9. A method for obtaining communication authorization, comprising the following steps: The second user terminal scans the authorization code displayed by the first user terminal, where the authorization code carries authorization information, and the authorization information is used to obtain the data communication right of the first device terminal that can be controlled by the first user terminal; The second user terminal parses the authorization code to obtain the authorization information; The second user terminal performs data communication with the first device terminal according to the authorization information, wherein: The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, the second device terminal is a terminal that the second user terminal can control, and the second device terminal The terminal is a display and playback terminal, and the display and playback terminal is used to play audio and video data, and the first device terminal is a projection device; and The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, so that the first device terminal projects and plays the audio played by the second device terminal in real time. view data. 10. The communication authorization acquisition method according to claim 9, wherein the authorization information includes the communication identification of the first device terminal; The second user terminal controls the second device terminal to perform data communication with the first device terminal according to the authorization information, so that the first device terminal projects and plays the audio played by the second device terminal in real time. The steps to view the data include: The second user terminal sends a projection instruction carrying the communication identification of the first equipment terminal to the second equipment terminal, so that the second equipment terminal establishes data with the first equipment terminal according to the communication identification. communicate, and send the audio-visual data to the first device terminal, so that the first device terminal projects and plays the audio-visual data, wherein the authorization information also includes the auxiliary information of the first device terminal ;as well as The second user terminal displays a menu option including the attachment information; When the second user terminal detects that a predetermined user operation on the menu option occurs, the projection instruction is generated. 11. The communication authorization acquisition method according to claim 9, wherein the authorization information includes the communication identification of the first user terminal and the communication identification of the projection device; The second user terminal controls the display and playback terminal to perform data communication with the projection device according to the authorization information, so that the projection device projects and plays the audio-visual data played by the display and playback terminal in real time, including: The second user terminal sends a projection permission request to the first user terminal, the communication identification of the information recipient of the projection permission request is set as the communication identification of the first user terminal, and the projection permission request carries the The device identifier of the second device terminal, the device identifier of the second device terminal is used for the first user terminal to instruct the first device terminal to project and play the audio-visual data sent by the second device terminal; When the second user terminal receives the projection approval instruction sent by the first user terminal in response to the projection permission request, send the projection carrying the communication identification of the first device terminal to the second device terminal instruction, the projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identification of the projection device, and send the audio-visual data to the first device terminal, so as to enabling the first device terminal to project and play the audio-visual data. 12. The communication authorization acquisition method according to claim 11, wherein the consent projection instruction further includes a dynamic password, and the device identification of the second device terminal and the dynamic password constitute a permission information, When the second user terminal receives the projection approval instruction sent by the first user terminal in response to the projection permission request, send the projection carrying the communication identification of the first device terminal to the second device terminal instruction, the projection instruction is used to instruct the second device terminal to establish data communication with the first device terminal according to the communication identification of the projection device and the dynamic password, and to send the first device terminal the Audio-visual data, so that the first device terminal projects and plays the audio-visual data, wherein the object sending the audio-visual data provides the permission information to the first device terminal, if the first device terminal If the permission information received from the first user terminal is consistent with the permission information provided by the second device terminal, it means that the object sending the audio-visual data is the second device terminal. 13. The communication authorization acquisition method according to claim 9, wherein: The authorization information includes the communication identification of the first user terminal, the communication identification of the first device terminal and a dynamic password, The second user terminal controls the display and playback terminal to perform data communication with the projection device according to the authorization information, so that the projection device projects and plays the audio-visual data played by the display and playback terminal in real time, including: The dynamic password is provided to the first device terminal after the authorization information is generated; The second user terminal sends a projection instruction carrying the communication identification of the first device terminal and the dynamic password to the second device terminal, and the projection instruction is used to instruct the second device terminal to The communication identifier of the device establishes data communication with the first device terminal, and sends the audio-visual data to the first device terminal, so that the first device terminal projects and plays the audio-visual data. 14. A communication authorization acquisition method, comprising the following steps: The first device terminal generates and displays a scannable authorization code via the first user terminal, the authorization code carries authorization information, and the first device terminal is controlled by the first user terminal; and The data communication right of the first device terminal is obtained by the second user terminal through the authorization information and data communication is established, wherein the first device terminal communicates with the second device terminal controlled by the second user terminal according to the authorization information For data communication, the second device terminal is a display and playback terminal, and the display and playback terminal is used to play audio and video data, and the first device terminal is a projection device; and The step of the first device terminal communicating data with the second device terminal controlled by the second user terminal according to the authorization information further includes: The first device terminal receives a communication request sent from the second device terminal; The first device terminal establishes data communication with the second device terminal according to the communication request, so that the first device terminal projects and plays the audio-visual data played by the second device terminal in real time. 15. The method for obtaining communication authorization according to claim 14, wherein the authorization information includes the communication identification of the first device terminal. 16. The communication authorization acquisition method according to claim 14, wherein the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal, The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes: The first device terminal receives the communication identification of the second device terminal provided by the first user terminal when receiving an external input operation corresponding to an instruction to agree to the projection; The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, where the projection request includes the communication identifier of the object sending the projection request; The second device terminal verifies whether the communication identifier of the object sending the projection request is consistent with the communication identifier of the second device terminal provided by the first user terminal, if the communication identifier of the object sending the projection request is consistent with the communication identifier of the object sent from the first user terminal The provided communication identifiers of the second device terminals are consistent, and the first device terminal receives and plays the audio-visual data provided by the second device terminal. 17. The communication authorization acquisition method according to claim 14, wherein the authorization information includes the communication identification of the first user terminal and the communication identification of the first device terminal, The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes: The first device terminal receives the communication identification and the dynamic password from the second device terminal provided when the first user terminal receives an external input operation corresponding to an instruction to agree to the projection; The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, and the projection request includes the dynamic password; The second device terminal verifies whether the dynamic password of the object sending the projection request is consistent with the dynamic password provided by the first user terminal, and if they are consistent, the first device terminal receives and plays the dynamic password of the second device terminal Audiovisual data provided. 18. The communication authorization acquisition method according to claim 14, wherein the authorization information includes the communication identification of the first user terminal, the communication identification and dynamic password of the first device terminal, The step of establishing data communication between the first device terminal and the second device terminal according to the communication request includes: The first device terminal receives the dynamic password provided by the first user terminal while generating the authorization information; The first device terminal receives a projection request sent by the second device terminal under the control of the second user terminal, where the projection request includes the dynamic password; The second device terminal verifies whether the dynamic password of the object sending the projection request is consistent with the dynamic password provided by the first user terminal, and if they are consistent, the first device terminal receives and plays the dynamic password of the second device terminal Audiovisual data provided.