CN115052272A

CN115052272A - Data transmission method and related equipment

Info

Publication number: CN115052272A
Application number: CN202110256019.2A
Authority: CN
Inventors: 陈维强; 赵玉峰; 王昕�
Original assignee: Hisense Group Holding Co Ltd
Current assignee: Hisense Group Holding Co Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-09-13

Abstract

The invention relates to the technical field of wireless transmission, in particular to a data transmission method and related equipment, which are used for improving the flexibility of a data transmission mode between equipment. In the embodiment of the invention, the control equipment broadcasts the Bluetooth beacon information through the near field communication Bluetooth module, so that the mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module after receiving the broadcast Bluetooth beacon information; establishing a Bluetooth transmission link between the mobile terminal and the display equipment according to Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module; wifi connection information of the mobile terminal and wifi connection information of the display device are transmitted through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display device and data transmission is carried out.

Description

Data transmission method and related equipment

Technical Field

The present invention relates to the field of wireless transmission technologies, and in particular, to a data transmission method and related devices.

Background

With the development of internet technology, more and more intelligent devices can transmit data through the internet. For example, the mobile terminal is connected with audio and video playing equipment, display equipment, an intelligent curtain, an intelligent air conditioner, an intelligent oven and other equipment through the internet, and the mobile terminal can transmit data with the equipment.

At present, before data transmission is performed between a mobile terminal and an intelligent device, a user needs to manually operate to establish network connection between the mobile terminal and the intelligent device, and the network connection established between the mobile terminal and the intelligent device through a user means is used for transmitting data. Therefore, the current method for manually establishing network connection between devices results in an inflexible data transmission method between devices.

Disclosure of Invention

The exemplary embodiments of the present invention provide a data transmission method and related devices, so as to improve flexibility of a data transmission method between devices.

According to a first aspect of the exemplary embodiments, there is provided a data transmission method applied to a control device, the method comprising:

the control equipment broadcasts Bluetooth beacon information through a near field communication Bluetooth module, so that the mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module after receiving the broadcast Bluetooth beacon information;

the control equipment establishes a Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

the control equipment transmits wifi connection information of the mobile terminal and wifi connection information of the display equipment through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display equipment and data transmission is carried out.

The control equipment of the embodiment of the invention is provided with the near field communication Bluetooth module and the standard communication Bluetooth module, the standard communication Bluetooth module is in Bluetooth connection with the display equipment, and the near field communication Bluetooth module is in Bluetooth connection with the mobile terminal, so that a Bluetooth transmission link between the mobile terminal and the display equipment is established through the control equipment. Based on the established Bluetooth transmission link, the control device can exchange wifi connection information between the mobile terminal and the display device, so that a wifi transmission link between the mobile terminal and the display device is established, and the mobile device and the display device can perform data transmission based on the established wifi transmission link. Because the transmitting power grade of the near field communication Bluetooth module is lower, only when the mobile terminal is close to the control equipment, the Bluetooth connection between the mobile terminal and the near field communication Bluetooth module can be established, and because the control equipment is equipment for controlling the display equipment, when the mobile terminal is close to the control equipment, the user can understand that the display equipment is possibly required to be controlled, at the moment, the mobile terminal and the control equipment automatically establish the Bluetooth connection, and further automatically establish a wifi transmission link between the mobile terminal and the display equipment. The transmitting power of the near field communication Bluetooth module is set to be lower in grade, and misoperation caused by the fact that a wifi transmission link between the mobile terminal and the display device is established when the distance between the mobile terminal and the control device is far can also be avoided. Based on the data transmission scheme provided by the embodiment of the invention, when the distance between the mobile terminal and the control equipment is short, the Bluetooth transmission link between the mobile terminal and the display equipment can be automatically established, and the wifi transmission link for data transmission is further established based on the Bluetooth transmission link, so that the whole wifi transmission link establishment process does not need user participation, and the flexible network connection establishment between the mobile terminal and the display equipment can be realized.

According to a second aspect of the exemplary embodiments, there is provided a data transmission method applied to a mobile terminal, the method including:

after receiving Bluetooth beacon information broadcasted by a control device through a near field communication Bluetooth module, a mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module, so that the control device establishes the Bluetooth transmission link between the mobile terminal and a display device according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between a standard communication Bluetooth module of the control device and the display device; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

the mobile terminal transmits wifi connection information of the mobile terminal to the display device through the Bluetooth transmission link, and receives the wifi connection information of the display device, which is sent by the display device through the Bluetooth transmission link;

the mobile terminal establishes a wifi transmission link between the mobile terminal and the display device according to the wifi connection information of the display device, and sends data to the display device through the wifi transmission link.

According to a third aspect of the exemplary embodiments, there is provided a control device comprising a near field communication bluetooth module, a standard communication bluetooth module, and a processor; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

the near field communication Bluetooth module is used for broadcasting Bluetooth beacon information and establishing Bluetooth connection with the mobile terminal after the mobile terminal receives the Bluetooth beacon information;

the standard communication Bluetooth module is used for establishing Bluetooth connection with the display equipment;

the processor is used for establishing a Bluetooth transmission link between the mobile terminal and the display device according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the Bluetooth connection between the standard communication Bluetooth module of the control device and the display device; and transmitting wifi connection information of the mobile terminal and wifi connection information of the display device through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display device and data transmission is carried out.

According to a fourth aspect of the exemplary embodiments, there is provided a mobile terminal including a bluetooth module, a processor, and a wifi module;

the Bluetooth module is used for receiving Bluetooth beacon information broadcast by the control equipment through the near field communication Bluetooth module and transmitting the Bluetooth beacon information to the processor; the wifi connection information of the mobile terminal is transmitted to the display equipment through a Bluetooth transmission link between the mobile terminal and the display equipment, and the wifi connection information of the display equipment, which is sent by the display equipment through the Bluetooth transmission link, is received;

the processor is used for establishing Bluetooth connection with the near field communication Bluetooth module through the Bluetooth module after receiving the Bluetooth beacon information, so that the control equipment establishes the Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; according to the wifi connection information of the display equipment, a wifi transmission link between the display equipment and the wifi module is established, and data are sent to the display equipment through the wifi transmission link; and the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module.

According to a fifth aspect of the exemplary embodiments, there is provided a display device including a bluetooth module, a processor, a wifi module, and a display screen;

the Bluetooth module is used for establishing Bluetooth connection with a standard communication Bluetooth module of control equipment, so that the control equipment establishes the Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the standard communication Bluetooth module and the display equipment and the Bluetooth connection between a near field communication Bluetooth module of the control equipment and the mobile terminal; the wifi connection information of the display equipment is transmitted to the mobile terminal through the Bluetooth transmission link, and the wifi connection information of the mobile terminal, which is sent by the mobile terminal through the Bluetooth transmission link, is received; the transmitting power of the near field communication Bluetooth module is smaller than that of the standard communication Bluetooth module;

the processor is used for establishing a wifi transmission link with the mobile terminal through the wifi module according to the wifi connection information of the mobile terminal, and receiving data sent by the mobile terminal through the wifi transmission link;

and the display screen is used for displaying a corresponding display interface according to the data sent by the mobile terminal.

According to a sixth aspect of the exemplary embodiments, there is provided a data transmission apparatus comprising:

the transmitting module is used for broadcasting Bluetooth beacon information through the near field communication Bluetooth module so that the mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module after receiving the broadcast Bluetooth beacon information;

the connection establishing module is used for establishing a Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

and the transmission module is used for transmitting wifi connection information of the mobile terminal and wifi connection information of the display equipment through the Bluetooth transmission link so as to enable the mobile terminal and the display equipment to establish a wifi transmission link and perform data transmission.

According to a seventh aspect of the exemplary embodiments, there is provided a data transmission apparatus comprising:

the receiving module is used for establishing Bluetooth connection with the near field communication Bluetooth module after receiving Bluetooth beacon information broadcasted by the control equipment through the near field communication Bluetooth module, so that the control equipment establishes the Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

the transmission module is used for transmitting the wifi connection information of the mobile terminal to the display equipment through the Bluetooth transmission link and receiving the wifi connection information of the display equipment, which is sent by the display equipment through the Bluetooth transmission link;

and the connection establishing module is used for establishing a wifi transmission link between the display equipment according to the wifi connection information of the display equipment, and transmitting data to the display equipment through the wifi transmission link.

According to an eighth aspect of the exemplary embodiments, the present invention also provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the method according to the first or second aspect.

In addition, for technical effects brought by any one implementation manner in the second aspect to the eighth aspect, reference may be made to technical effects brought by different implementation manners in the first aspect, and details are not described herein again.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the drawings without inventive labor.

Fig. 1 schematically illustrates a data transmission system provided by an embodiment of the present invention;

fig. 2 is a schematic side view illustrating a control device according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating a structure of a control panel side of a control device according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating a bluetooth directional antenna according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a data transmission system according to an embodiment of the present invention;

fig. 6 is a schematic diagram illustrating a data transmission system according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a data transmission system according to an embodiment of the present invention;

fig. 8 is a flowchart illustrating an overall data transmission method according to an embodiment of the present invention;

fig. 9 is a flowchart illustrating a data transmission method provided by an embodiment of the present invention;

fig. 10 is a flowchart illustrating a data transmission method provided by an embodiment of the present invention;

fig. 11 is a schematic structural diagram illustrating a control device according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram illustrating a mobile terminal according to an embodiment of the present invention;

fig. 13 is a block diagram illustrating a software structure of a mobile terminal according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram illustrating a display device according to an embodiment of the present invention;

FIG. 15 is a block diagram illustrating an architectural configuration of an operating system in a memory of a display device according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram illustrating a data transmission apparatus according to an embodiment of the present invention;

fig. 17 is a schematic structural diagram schematically illustrating a data transmission apparatus according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and exhaustively described below with reference to the accompanying drawings. In the description of the embodiments of the present invention, where "/" denotes an or meaning, for example, a/B may denote a or B; "and/or" in the text is only an association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B may mean: three cases of a alone, a and B together, and B alone exist, and in addition, "a plurality" means two or more than two in the description of the embodiment of the present invention.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the features, and in the description of embodiments of the invention, "plurality" means two or more unless indicated otherwise.

Some terms appearing herein are explained below:

1. an "application" in embodiments of the present invention is a computer program that performs one or more specific tasks, and has a visual display interface that enables interaction with a user.

2. The bluetooth module in the embodiment of the invention is a Printed Circuit Board Assembly (PCBA) Board integrated with a bluetooth function, is used for short-distance wireless communication, and is divided into a bluetooth data module and a bluetooth voice module according to functions; the bluetooth module is a chip basic circuit set integrated with bluetooth function, is used for wireless network communication, and can be roughly divided into three types: data transmission module, bluetooth audio frequency + two unification modules of data etc..

3. The near field communication in the embodiment of the present invention is an emerging communication technology, and means that two devices may perform data exchange in a close proximity to each other.

4. The "Mobile terminal" in the embodiments of the present invention is also referred to as User Equipment (UE), a Mobile Station (MS), a terminal device, and the like, and is a device that provides voice and/or data connectivity for a User, for example, a handheld device with a wireless connection function. Currently, some examples of mobile terminals are: mobile phone (Mobile phone), tablet computer, notebook computer, palm computer, Mobile Internet Device (MID).

5. The term "Wi-Fi Direct", also called Wi-Fi P2P, of the embodiment of the invention, the Wi-Fi Direct technology is a challenge initiated by the Wi-Fi industry chain to the Bluetooth technology, and tries to completely replace Bluetooth, the Wi-Fi Direct is a Point-to-Point connection technology, and can directly establish tcp/ip link between two stations of station without participation of AP (Access Point); one of the stations can function as the conventional AP, which is called Group Owner (GO), and the other station is called Group Client (GC), and the stations are connected to the GO like the AP, and the GO and the GC can be one-to-one or one-to-many.

The embodiment of the invention provides a data transmission scheme which can be applied to data transmission between a mobile terminal and display equipment; according to the embodiment of the invention, the network connection between the mobile terminal and the display equipment is automatically established through the control equipment corresponding to the display equipment, and data transmission is carried out between the mobile terminal and the display equipment based on the automatically established network connection. The control device in the embodiment of the present invention is used to control the display device, for example, the control device may be a remote controller, and the display device may be a television. The control device is connected with the display device through the standard communication Bluetooth module in a Bluetooth mode, a user triggers a control command through the control device, the control device sends the control command to the display device through the Bluetooth connection between the control device and the display device, and the display device executes corresponding operation according to the received control command.

The control equipment of the embodiment of the invention is also provided with a near field communication Bluetooth module, wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module. According to the embodiment of the invention, the transmitting power grade of the near field communication Bluetooth module is set to be a lower grade, so that the Bluetooth connection can be established between the equipment which is closer to the control equipment and the near field communication Bluetooth module of the control equipment, and the short-distance Bluetooth communication between other equipment and the control equipment is realized.

The control equipment of the embodiment of the invention broadcasts the Bluetooth beacon information through the near field communication Bluetooth module, and the mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module after receiving the broadcast Bluetooth beacon information; the control equipment establishes a Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment; the control device receives wifi connection information of the display device through a Bluetooth transmission link, sends the wifi connection information of the display device to the mobile terminal through the Bluetooth transmission link, receives the wifi connection information of the mobile terminal through the Bluetooth transmission link, and sends the wifi connection information of the mobile terminal to the display device through the Bluetooth transmission link; after the mobile terminal and the display device receive wifi connection information of the other side, a wifi transmission link between the mobile terminal and the display device is established, and therefore data transmission of the established wifi transmission link is improved.

A data transmission system according to an embodiment of the present invention will be described below with reference to the accompanying drawings. As shown in fig. 1, a schematic diagram of a data transmission system according to an embodiment of the present invention includes a mobile terminal 10, a control device 11, and a display device 12; the mobile terminal 10 is installed with a control application corresponding to the display device 12, and the control device 11 is provided with a near field communication bluetooth module and a standard communication bluetooth module.

The control equipment 11 is started, and the near field communication Bluetooth module and the standard communication Bluetooth module are started; the control device 11 broadcasts bluetooth broadcast information through a standard communication bluetooth module and broadcasts bluetooth beacon information through a near field communication bluetooth module;

after the display device 12 is started, the bluetooth module is started, and after receiving bluetooth broadcast information broadcasted by the standard communication bluetooth module of the control device 11, the bluetooth module of the display device establishes bluetooth connection with the standard communication bluetooth module of the control device 11;

after the mobile terminal 10 receives the bluetooth beacon information broadcast by the near field communication bluetooth module of the control device 11, the mobile terminal 10 establishes a bluetooth connection with the near field communication bluetooth module of the control device 11;

the control device 11 establishes a bluetooth transmission link between the mobile terminal 10 and the display device 12 according to a bluetooth connection between the near field communication bluetooth module and the mobile terminal 10, a bluetooth connection between the standard communication bluetooth module and the display device 12, and a serial interface between the near field communication bluetooth module and the standard communication bluetooth module.

After the bluetooth transmission link between the mobile terminal 10 and the display device 12 is established, the mobile terminal 10 sends wifi connection information to the control device 11 based on the bluetooth transmission link, and the control device 11 sends the wifi connection information of the mobile terminal to the display device 12 through the bluetooth transmission link; based on the bluetooth transmission link, the display device 12 sends wifi connection information to the control device 11, and the control device 11 sends the wifi connection information of the display device to the mobile terminal 10 through the bluetooth transmission link; after the mobile terminal 10 and the display device 12 exchange wifi connection information through the bluetooth transmission link, a wifi transmission link is established between the mobile terminal 10 and the display device 12; the wifi transmission link established between the mobile terminal 10 and the display device 12 may be a wifi transmission link directly established between the mobile terminal 10 and the display device 12, or may also be a wifi transmission link directly established between the mobile terminal 10 and the display device 12 through a wifi router.

After the wifi transmission link is established between the mobile terminal 10 and the display device 12, the mobile terminal 10 may run a control application corresponding to the display device 12, respond to a control instruction triggered by a user in the control application, send the control instruction triggered by the user to the display device 12 through the wifi transmission link, and the display device 12 executes an operation corresponding to the control instruction; alternatively, the mobile terminal 10 may send the screen projection data of the mobile terminal 10 to the display device 12 through the wifi transmission link, so as to display the display interface of the mobile terminal 10 in the display device 12.

As shown in fig. 2, the side view of the control device is a schematic structural diagram, the control device 11 according to the embodiment of the present invention includes a control panel 110 and a back panel 111, and the control panel 110 and the back panel 111 form a housing of the control device 11.

As shown in fig. 3, the control panel 110 includes a control area and a directional antenna area; the user triggers the control instruction through the control area, and the control device 11 responds to the control instruction triggered by the user and sends the control instruction to the display device 12 through the standard communication Bluetooth module. The control area may include a key for triggering a control command, and the user may trigger the control command by pressing the key corresponding to the control area, or the control area may further include a touch display screen, and the user triggers the control command by touching a corresponding option in the display screen.

One side of the directional antenna area facing the backboard is provided with a Bluetooth directional antenna, and the transmitting surface of the Bluetooth directional antenna faces the directional antenna area;

in implementation, the bluetooth directional antenna provided by the embodiment of the invention can be an onboard bluetooth antenna, wherein the back surface of the onboard bluetooth antenna is coated with copper and grounded, and the front surface of the onboard bluetooth antenna is an antenna emitting surface; onboard Bluetooth antenna sets up in the regional one side towards the backplate of directional antenna, as shown in fig. 4, the front of onboard Bluetooth antenna is attached in the regional one side towards the backplate of directional antenna to guarantee that the transmitting surface of onboard Bluetooth antenna is regional towards directional antenna, to controlgear's front radiation bluetooth signal.

In some embodiments, the standard communication bluetooth module comprises a standard communication bluetooth chip and a bluetooth communication antenna, and the near field communication bluetooth module comprises a near field communication bluetooth chip and a bluetooth directional antenna; a serial interface is arranged between the standard communication Bluetooth chip and the near field communication Bluetooth chip;

the near field communication Bluetooth module may adopt a BLE (Bluetooth Low Energy) communication mode to reduce power consumption.

The control equipment of the embodiment of the invention can establish Bluetooth connection with the display equipment through the standard communication Bluetooth module; in the implementation, the control equipment broadcasts Bluetooth broadcast information through the Bluetooth communication antenna, and after the display equipment receives the Bluetooth broadcast information broadcast by the control equipment, the display equipment establishes Bluetooth connection with the control equipment; or the display equipment broadcasts the Bluetooth broadcast information through the Bluetooth module, and the display equipment and the control equipment establish Bluetooth connection after the control equipment receives the Bluetooth broadcast information broadcasted by the display equipment.

After the display device is connected with the control device through the Bluetooth, the control device is in information binding with the display device, and the control device stores the device identification of the display device.

The control equipment can also broadcast Bluetooth beacon information outwards through the near field communication Bluetooth module, the signal transmission power level of the near field communication Bluetooth module is lower, and only equipment which is close to the control equipment can receive the Bluetooth beacon information broadcast by the near field communication Bluetooth module of the control equipment;

if the mobile terminal receives the Bluetooth beacon information, judging whether Bluetooth connection with the control equipment is needed to be established or not according to the received Bluetooth beacon information;

in implementation, the bluetooth beacon information may include an identifier of the near field communication bluetooth module and identifier information of the display device;

the mobile terminal determines that the control equipment comprises a near field communication Bluetooth module according to the Bluetooth beacon information, analyzes an equipment identifier of the display equipment from the Bluetooth beacon information, acquires description information of the display equipment according to the equipment identifier, and generates a Bluetooth connection response message after determining that a Bluetooth connection establishment condition is met according to the description information;

the Bluetooth connection establishment condition can be that the control equipment establishes connection with the display equipment;

the mobile terminal returns a Bluetooth connection response message to the control equipment after determining that the control equipment is connected with the display equipment according to the acquired description information of the display equipment;

and after receiving the Bluetooth connection response message returned by the mobile terminal, the control equipment establishes Bluetooth connection with the mobile terminal through the near field communication Bluetooth module.

After the control equipment establishes Bluetooth connection with the mobile terminal through the near field communication Bluetooth module, the establishment of a Bluetooth transmission link between the mobile terminal and the display equipment is completed.

According to the scheme of the embodiment of the invention, when the mobile terminal is close to the control equipment, the mobile terminal can establish Bluetooth connection with the near field communication Bluetooth module of the control equipment, and the Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment is based on to complete the establishment of the Bluetooth transmission link between the mobile terminal and the display equipment, so that the Bluetooth transmission link between the mobile terminal and the display equipment can be automatically completed when a user carries the mobile terminal to be close to the control equipment.

Fig. 5 is a schematic diagram of a data transmission system, which includes a mobile terminal 50, a control device 51, and a display device 52. The mobile terminal 50 establishes a Bluetooth connection with a near field communication Bluetooth module of the control device 51, the standard communication Bluetooth module of the control device 51 establishes a Bluetooth connection with the display device 52, and a serial interface is arranged between the near field communication Bluetooth module of the control device 51 and the standard communication Bluetooth module; the established bluetooth transmission link is: mobile terminal-near field communication bluetooth module of control device-serial interface-standard communication bluetooth module of control device-display device.

After the establishment of the Bluetooth transmission link between the mobile terminal and the display device is completed, the mobile terminal and the display device exchange wifi connection information through the Bluetooth transmission link, and establish a wifi transmission link between the mobile terminal and the display device according to the wifi connection information of the other side. The wifi transmission link established between the mobile terminal 50 and the display device 52 may be a wifi transmission link directly established between the mobile terminal 50 and the display device 52, or may also be a wifi transmission link directly established between the mobile terminal 50 and the display device 52 through a wifi router.

In implementation, the display device sends wifi connection information to the control device through the Bluetooth transmission link, and the control device forwards the received wifi connection information of the display device to the mobile terminal through the Bluetooth transmission link; in addition, the mobile terminal sends wifi connection information to the control device through the Bluetooth transmission link, and the control device forwards the received wifi connection information of the mobile terminal to the display device through the Bluetooth transmission link;

for example, the bluetooth transmission link between the display device and the mobile terminal is: mobile terminal-near field communication bluetooth module of control device-serial interface-standard communication bluetooth module of control device-display device; the mobile terminal firstly sends wifi connection information to a near field communication Bluetooth module of the control device, the near field communication Bluetooth module sends the wifi connection information of the mobile terminal to a standard communication Bluetooth module through a serial interface, and the standard communication Bluetooth module of the control device sends the wifi connection information of the mobile terminal to the display device; in addition, the display device firstly sends wifi connection information to a standard communication Bluetooth module of the control device, the standard communication Bluetooth module sends the wifi connection information of the display device to a near field communication Bluetooth module through a serial interface, and the near field communication Bluetooth module of the control device sends the wifi connection information of the display device to the mobile terminal.

After a wifi transmission link is established between the mobile terminal and the display device, data can be transmitted between the mobile terminal and the display device through the wifi transmission link;

for example, after the bluetooth transmission link between the mobile terminal and the display device is established, the mobile terminal automatically runs the control application matched with the display device; the user can trigger the control instruction to the display device through the control application running on the mobile terminal, the mobile terminal sends the control instruction triggered by the user to the display device through a wifi transmission link between the mobile terminal and the display device, and the display device executes the operation corresponding to the control instruction.

Under the condition, when the mobile terminal is close to the control equipment, the mobile terminal can establish Bluetooth connection with the near field communication Bluetooth module of the control equipment, and the Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment is based, so that the Bluetooth transmission link between the mobile terminal and the display equipment is established; the mobile terminal and the display device interact wifi connection information through the established Bluetooth transmission link, and a wifi transmission link between the mobile terminal and the display device is further established. When a user triggers a control instruction through a control application matched with the display device on the mobile terminal, the control instruction is sent to the display device through the wifi transmission link. Therefore, when a user carries the mobile terminal to be close to the control device, the Bluetooth transmission link and the wifi transmission link between the mobile terminal and the display device can be automatically completed, and the display device is controlled through the mobile terminal.

Or after the wifi transmission link is established between the mobile terminal and the display device, the mobile terminal can send the screen data to the display device through the wifi transmission link, so that the screen data in motion is displayed in an interface of the display device, and screen projection of the screen data of the mobile terminal to the display device is achieved.

Under the condition, when the mobile terminal is close to the control equipment, the mobile terminal can establish Bluetooth connection with the near field communication Bluetooth module of the control equipment, and the Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment is based, so that the Bluetooth transmission link between the mobile terminal and the display equipment is established; and the mobile terminal and the display equipment interact wifi connection information through the established Bluetooth transmission link, and a wifi transmission link between the mobile terminal and the display equipment is further established. The mobile terminal sends the current screen data to the display device through the wifi transmission link, and the screen data of the mobile terminal is projected to the display device. Therefore, when a user carries the mobile terminal to be close to the control device, the Bluetooth transmission link and the wifi transmission link between the mobile terminal and the display device can be automatically completed, and screen projection to the display device through screen data of the mobile terminal is achieved.

In the embodiment of the invention, a wifi transmission link established between the mobile terminal and the display device can be a wifi P2P connection or a wifi routing connection; the following description is made for different wifi connection types respectively.

1. And establishing wifi P2P connection between the mobile terminal and the display device.

After a Bluetooth transmission link is established between a mobile terminal and display equipment, wifi P2P label information is exchanged between the mobile terminal and the display equipment through the established Bluetooth transmission link;

in some embodiments, wifi P2P tag information may be a MAC address;

the mobile terminal sends wifi P2P label information of the mobile terminal to the display device through a Bluetooth transmission link; correspondingly, the display device sends wifi P2P label information of the display device to the mobile terminal through the Bluetooth transmission link.

After the mobile terminal exchanges wifi P2P label information with the display device, a wifi P2P connection can be established between the mobile terminal and the display device.

In some embodiments, after establishing the wifi P2P connection between the mobile terminal and the display device, the mobile terminal responds to the operation triggered by the user through the control application, and the mobile terminal sends a control command to the display device through the wifi P2P connection; or the mobile terminal sends screen data to the display device through wifi P2P connection to realize the screen projection function.

For example, the data transmission system shown in fig. 6 includes a mobile terminal 60, a control device 61, and a display device 62. The mobile terminal 60 establishes a Bluetooth connection with the near field communication Bluetooth module of the control device 61, the standard communication Bluetooth module of the control device 61 establishes a Bluetooth connection with the display device 62, and a serial interface is arranged between the near field communication Bluetooth module of the control device 61 and the standard communication Bluetooth module; the established bluetooth transmission link is: mobile terminal-near field communication bluetooth module of control device-serial interface-standard communication bluetooth module of control device-display device. The mobile terminal 60 automatically foreground-runs a control application matched with the display device 62; and, wifi P2P label information is exchanged between the mobile terminal 60 and the display device 62 through a bluetooth transmission link, and a wifi P2P connection is established between the mobile terminal 60 and the display device 62. The mobile terminal 60 responds to the operation triggered by the user in the control application, sends a control command through the wifi P2P connection with the display device 62, and the display device 62 executes the corresponding processing operation.

2. And establishing wifi routing connection between the mobile terminal and the display equipment.

After a Bluetooth transmission link is established between a mobile terminal and display equipment, equipment label information is exchanged between the mobile terminal and the display equipment through the established transmission link;

in some embodiments, the device tag information may be an IP address;

the mobile terminal sends the equipment label information of the mobile terminal to the display equipment through the Bluetooth transmission link; correspondingly, the display equipment sends the equipment label information of the display equipment to the mobile terminal through the Bluetooth transmission link.

After the mobile terminal and the display equipment exchange equipment label information, wifi routing connection can be established between the mobile terminal and the display equipment;

in implementation, the mobile terminal establishes wifi routing connection with the display device through the wifi router.

In some embodiments, after wifi routing connection is established between the mobile terminal and the display device, the mobile terminal responds to operation triggered by a user through a control application, the mobile terminal sends a control command for controlling the display device to the wifi router, the wifi router sends the control command to a cloud server corresponding to the display device after receiving the control command, the cloud server identifies the display device executing the control command and issues the control command to the display device through the wifi router, and the display device executes corresponding processing operation after receiving the control command. Or the mobile terminal sends the screen data to a wifi router, the wifi router sends the screen data to a cloud server corresponding to the display device after receiving the screen data, the cloud server identifies the display device needing to receive the screen data, the display device sends the screen data to the display device through the wifi router, and the display device displays an interface corresponding to the screen data in the interface to achieve a screen projection function.

For example, the data transmission system shown in fig. 7 includes a mobile terminal 70, a control device 71, a wifi router 72, a display device 73, and a cloud server 74. The mobile terminal 70 establishes a Bluetooth connection with the near field communication Bluetooth module of the control device 71, the standard communication Bluetooth module of the control device 71 establishes a Bluetooth connection with the display device 72, and a serial interface is arranged between the near field communication Bluetooth module of the control device 71 and the standard communication Bluetooth module; the established bluetooth transmission link is: mobile terminal-near field communication bluetooth module of control device-serial interface-standard communication bluetooth module of control device-display device. The mobile terminal 70 and the display device 72 exchange device tag information through a Bluetooth transmission link, and the mobile terminal 70 establishes a wifi routing connection with the display device 73 through the wifi router 72 and the cloud server 74. The mobile terminal 70 runs an application matched with the display device on the display interface (for example, when the display device is a smart television, the application matched with the display device may be a video playing application corresponding to the smart television, or may also be an application for controlling the smart television). The mobile terminal 70 responds to an operation triggered by a user through a control application, the mobile terminal 70 sends a control command for controlling the display device 73 to the wifi router 72, the wifi router 72 sends the control command to the cloud server 74 after receiving the control command, the cloud server 74 identifies the display device 73 executing the control command and sends the control command to the display device 73 through the wifi router 72, and the display device 73 executes a corresponding processing operation after receiving the control command. Or, the mobile terminal 70 sends the screen data to the wifi router 72, after receiving the screen data, the wifi router 72 sends the screen data to the cloud server 74, the cloud server 74 identifies the display device 73 that needs to receive the screen data, and sends the screen data to the display device 73 through the wifi router 72, and the display device 73 displays an interface corresponding to the screen data in the interface to implement a screen projection function.

In addition, after the standard communication bluetooth module of the control device establishes bluetooth connection with the display device for the first time in the embodiment of the present invention, the control device performs information binding with the display device, and stores the device identifier of the display device in the control device. If the Bluetooth connection is established between the near field communication Bluetooth module of the control device and the mobile terminal, the standard communication Bluetooth module of the control device and the display device are disconnected, the mobile terminal can acquire the stored device identification of the display device through the near field communication Bluetooth module, and the mobile terminal can be connected with the display device through the cloud end, so that data transmission is performed.

As shown in fig. 8, a flowchart of a data transmission method according to an embodiment of the present invention includes the following steps:

step S801, the control equipment broadcasts Bluetooth broadcast information through a standard communication Bluetooth module;

step S802, after receiving the Bluetooth broadcast information, the display equipment returns a Bluetooth connection response message to the control equipment;

step S803, the display device establishes Bluetooth connection with a standard communication Bluetooth module of the control device;

step S804, the control device broadcasts Bluetooth beacon information through the near field communication Bluetooth module;

step S805, after receiving the Bluetooth beacon information, the mobile terminal analyzes the equipment identifier of the display equipment from the Bluetooth beacon information and acquires the description information of the display equipment according to the equipment identifier;

step S806, the mobile terminal sends a Bluetooth connection response message to the control device after determining that the Bluetooth connection establishment condition is met according to the description information;

step S807, the mobile terminal establishes Bluetooth connection with a near field communication Bluetooth module of the control equipment;

step S808, the control device establishes a Bluetooth transmission link between the mobile terminal and the display device according to Bluetooth connection between the display device and a standard communication Bluetooth module of the control device, Bluetooth connection between the mobile terminal and a near field communication Bluetooth module of the control device, and a serial interface between the standard communication Bluetooth module and the near field communication Bluetooth module;

step S809, the display device and the mobile terminal exchange wifi connection information through the established Bluetooth transmission link;

step S810, establishing a wifi transmission link between the display device and the mobile terminal;

after a wifi transmission link between the display device and the mobile terminal is established, the embodiment of the present invention may execute step S811 and step S812, or execute step S813 and step S814;

step S811, the mobile terminal responds to a control command triggered by a user through a control application, and sends the control command to the display device through a wifi transmission link;

step S812, the display device executes an operation corresponding to the control command;

step S813, the mobile terminal acquires screen data in the current display interface and sends the screen data to the display equipment through a wifi transmission link;

step S814, the display device displays according to the received screen data.

As shown in fig. 9, an embodiment of the present invention provides a data transmission method, which is applied to a control device, and includes the following steps:

step S901, the control device broadcasts Bluetooth beacon information through a near field communication Bluetooth module, so that the mobile terminal establishes Bluetooth connection with the near field communication Bluetooth module after receiving the broadcast Bluetooth beacon information;

step S902, the control device establishes a Bluetooth transmission link between the mobile terminal and the display device according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the pre-established Bluetooth connection between the standard communication Bluetooth module of the control device and the display device; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

and step S903, the control equipment transmits the wifi connection information of the mobile terminal and the wifi connection information of the display equipment through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display equipment and data transmission is carried out.

Optionally, the broadcasting, by the control device, the bluetooth beacon information through the near field communication bluetooth module includes:

the control equipment broadcasts Bluetooth beacon information containing equipment identification of the display equipment so that the mobile terminal obtains description information of the display equipment according to the equipment identification and returns a Bluetooth connection response message after determining that a Bluetooth connection establishment condition is met according to the description information;

the control equipment establishes the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal according to the following modes:

after receiving the Bluetooth connection response message, the control equipment establishes the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal;

the device identifier of the display device included in the bluetooth beacon information is obtained from the standard communication bluetooth chip by the near field communication bluetooth chip of the near field communication bluetooth module through the serial interface; and the equipment identification of the display equipment is stored in the standard communication Bluetooth chip after the standard communication Bluetooth module establishes Bluetooth connection with the display equipment.

Optionally, the control device transmits wifi connection information of the mobile terminal and wifi connection information of the display device through the bluetooth transmission link, including:

the control equipment receives wifi connection information sent by the mobile terminal through the near-field Bluetooth communication module and transmits the wifi connection information of the mobile terminal to the standard Bluetooth communication module; the wifi connection information of the mobile terminal is sent to the display device through the standard Bluetooth communication module; and

the control equipment receives wifi connection information sent by the display equipment through the standard Bluetooth communication module and transmits the wifi connection information of the display equipment to the near-field Bluetooth communication module; and transmitting the wifi connection information of the display device to the mobile terminal through the near field Bluetooth communication module.

As shown in fig. 10, an embodiment of the present invention provides a data transmission method applied to a mobile terminal, including the following steps:

step S1001, after a mobile terminal receives Bluetooth beacon information broadcasted by a control device through a near field communication Bluetooth module, establishing Bluetooth connection with the near field communication Bluetooth module, so that the control device establishes the Bluetooth transmission link between the mobile terminal and a display device according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal and the preset Bluetooth connection between a standard communication Bluetooth module of the control device and the display device; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

step S1002, the mobile terminal transmits wifi connection information of the mobile terminal to the display device through the Bluetooth transmission link, and receives the wifi connection information of the display device, which is sent by the display device through the Bluetooth transmission link;

and S1003, the mobile terminal establishes a wifi transmission link between the mobile terminal and the display device according to the wifi connection information of the display device, and sends data to the display device through the wifi transmission link.

Based on the same inventive concept, an embodiment of the present invention further provides a control device, as shown in fig. 11, the control device includes a near field communication bluetooth module 110, a standard communication bluetooth module 111, and a processor 112; the transmitting power of the near field communication Bluetooth module 110 is less than that of the standard communication Bluetooth module 111;

the near field communication bluetooth module 111 is configured to broadcast bluetooth beacon information, and establish a bluetooth connection with a mobile terminal after the mobile terminal receives the bluetooth beacon information;

the standard communication Bluetooth module 111 is used for establishing Bluetooth connection with display equipment;

the process 112 is configured to establish a bluetooth transmission link between the mobile terminal and the display device according to a bluetooth connection between the near field communication bluetooth module and the mobile terminal and a bluetooth connection between a standard communication bluetooth module of the control device and the display device; and transmitting wifi connection information of the mobile terminal and wifi connection information of the display device through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display device and data transmission is carried out.

Optionally, as shown in fig. 11, the near field communication bluetooth module 110 includes a near field communication bluetooth chip 1101 and a bluetooth directional antenna 1102;

the control equipment also comprises a shell consisting of a control panel and a back plate, wherein the control panel comprises a control area and a directional antenna area;

the Bluetooth directional antenna is arranged on one side, facing the backboard, of the directional antenna area, and the transmitting surface of the Bluetooth directional antenna faces the directional antenna area;

the processor 112 is further configured to respond to a control instruction triggered by a user through the control area, and send the control instruction to the display device through the standard communication bluetooth module.

Optionally, the standard communication bluetooth module 111 includes a standard communication bluetooth chip 1111 and a bluetooth communication antenna 1112;

a serial interface is arranged between the standard communication Bluetooth chip 1111 and the near field communication Bluetooth chip 1101;

the processor 112 is specifically configured to: and establishing a Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal, the Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment and the serial interface.

Optionally, the near field communication bluetooth module 110 is specifically configured to: broadcasting Bluetooth beacon information containing the equipment identifier of the display equipment so that the mobile terminal acquires the description information of the display equipment according to the equipment identifier and returns a Bluetooth connection response message after determining that the Bluetooth connection establishment condition is met according to the description information; transmitting the received Bluetooth connection response message returned by the mobile terminal to the processor;

the processor 112 is specifically configured to establish a bluetooth connection between the near field communication bluetooth module and the mobile terminal;

the device identifier of the display device contained in the bluetooth beacon information is obtained from the standard communication bluetooth chip by the near field communication bluetooth chip of the near field communication bluetooth module through the serial interface; and the device identification of the display device is stored in the standard communication Bluetooth chip after the standard communication Bluetooth module establishes Bluetooth connection with the display device.

Optionally, the processor 112 is specifically configured to:

receiving wifi connection information sent by the mobile terminal through the near field Bluetooth communication module, and transmitting the wifi connection information of the mobile terminal to the standard Bluetooth communication module; the wifi connection information of the mobile terminal is sent to the display device through the standard Bluetooth communication module; and

receiving wifi connection information sent by the display equipment through the standard Bluetooth communication module, and transmitting the wifi connection information of the display equipment to the near field Bluetooth communication module; and transmitting the wifi connection information of the display equipment to the mobile terminal through the near field Bluetooth communication module.

Based on the same inventive concept, an embodiment of the present invention further provides a mobile terminal, as shown in fig. 12, which is a schematic structural diagram of a mobile terminal 1200.

The following describes an embodiment specifically by taking the mobile terminal 1200 as an example. It should be understood that the mobile terminal 1200 shown in fig. 12 is merely an example, and that the mobile terminal 1200 may have more or fewer components than shown in fig. 12, may combine two or more components, or may have a different configuration of components. The various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.

A block diagram of a hardware configuration of a mobile terminal 1200 according to an exemplary embodiment is exemplarily shown in fig. 12. As shown in fig. 12, the mobile terminal 1200 includes: radio Frequency (RF) circuit 1210, memory 1220, display unit 1230, camera 1240, sensor 1250, audio circuit 1260, Wireless Fidelity (wifi) module 1270, processor 1280, bluetooth module 1281, and power supply 1290.

The RF circuit 1210 is configured to receive and transmit signals during information transmission and reception or during a call, and may receive downlink data of a base station and then send the downlink data to the processor 1280 for processing; the uplink data may be transmitted to the base station. In general, RF circuitry includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 1220 may be used for storing software programs and data. The processor 1280 performs various functions of the mobile terminal 1200 and data processing by executing software programs or data stored in the memory 1220. The memory 1220 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. The memory 1220 stores an operating system that enables the mobile terminal 1200 to operate. The memory 1220 of the present invention may store an operating system and various application programs, and may also store codes for performing the methods according to the embodiments of the present invention.

The display unit 1230 may be used to receive input numeric or character information and generate signal input related to user settings and function control of the mobile terminal 1200, and particularly, the display unit 1230 may include a touch screen 1231 disposed on the front of the mobile terminal 1200 and may collect touch operations of a user thereon or nearby, such as clicking a button, dragging a scroll box, and the like.

The display unit 1230 may also be used to display information input by the user or information provided to the user and a Graphical User Interface (GUI) of various menus of the mobile terminal 1200. In particular, the display unit 1230 may include a display screen 1232 disposed at the front of the mobile terminal 1200. The display 1232 may be configured in the form of a liquid crystal display, a light emitting diode, or the like. The display unit 1230 may be used to display various graphical user interfaces described in the present invention.

The touch screen 1231 may cover the display screen 1232, or the touch screen 1231 and the display screen 1232 may be integrated to implement the input and output functions of the mobile terminal 1200, and after the integration, the touch screen may be referred to as a touch display screen for short. The display unit 1230 according to the present invention can display the application programs and the corresponding operation steps.

Camera 1240 may be used to capture still images or video. The object generates an optical image through the lens and projects the optical image to the photosensitive element. The photosensitive element may be a Charge Coupled Device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor. The light sensing elements convert the light signals into electrical signals, which are then passed to a processor 1280 for conversion into digital image signals.

The mobile terminal 1200 may also include at least one sensor 1250, such as an acceleration sensor 1251, a distance sensor 1252, a fingerprint sensor 1253, a temperature sensor 1254. Mobile terminal 1200 may also be configured with other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, light sensors, motion sensors, and the like.

The audio circuit 1260, speaker 1261, and microphone 1262 can provide an audio interface between a user and the mobile terminal 1200. The audio circuit 1260 may transmit the received electrical signal converted from the audio data to the speaker 1261, and the audio signal is converted into a sound signal by the speaker 1261 and output. The mobile terminal 1200 may also be provided with a volume button for adjusting the volume of the sound signal. On the other hand, the microphone 1262 converts the collected sound signals into electrical signals, which are received by the audio circuit 1260 for conversion into audio data, which is then output to the RF circuit 1210 for transmission to, for example, another terminal, or to the memory 1220 for further processing. The microphone 1262 may capture the user's voice in the present invention.

The processor 1280, which is a control center of the mobile terminal 1200, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the mobile terminal 1200 and processes data by running or executing software programs stored in the memory 1220 and calling data stored in the memory 1220. In some embodiments, processor 1280 may include one or more processing units; the processor 1280 may also integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a baseband processor, which primarily handles wireless communications. It is to be appreciated that the baseband processor described above may not be integrated into the processor 1280. The processor 1280 of the present invention may run an operating system, an application program, a user interface display, and a touch response, and the method for controlling an electronic home device at a mobile terminal side according to the embodiments of the present invention. Additionally, processor 1280 is coupled with display unit 1230.

The bluetooth module 1281 is configured to perform information interaction with other bluetooth devices having a bluetooth module through a bluetooth protocol. For example, the mobile terminal 1200 may establish a bluetooth connection with a near field bluetooth communication module of the control device through the bluetooth module 1281, thereby performing data interaction.

wifi belongs to a short-distance wireless transmission technology, and the mobile terminal 1200 can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the Wi-Fi module 1270, and provides wireless broadband internet access for the user; for example, in the embodiment of the present invention, the mobile terminal 1200 may establish a wifi connection with the display device through the Wi-Fi module 1270. In the embodiment of the present invention, the mobile terminal 1200 may receive bluetooth beacon information broadcast by the near field communication bluetooth module of the control device through the bluetooth module 1281, establish bluetooth connection with the near field communication bluetooth module of the control device through the bluetooth module 1281, and exchange wifi connection information with the display device based on the bluetooth connection established between the display device and the standard communication bluetooth module of the control device and the bluetooth connection established between the bluetooth module 1281 and the near field communication bluetooth module of the control device; the mobile terminal 1200 establishes a wifi transmission link with the display device through the wifi module according to the wifi connection information and performs data transmission.

Mobile terminal 1200 also includes a power supply 1290 (such as a battery) that provides power to various components. The power supply may be logically coupled to the processor 1280 via a power management system, thereby implementing functions such as managing charging, discharging, and power consumption via the power management system. The mobile terminal 1200 may also be configured with a power button for powering on and off the terminal, and locking the screen.

Fig. 13 is a block diagram of a software configuration of a mobile terminal 1200 according to an embodiment of the present invention.

The layered architecture divides the software into several layers, each layer having a clear role and division of labor. The layers communicate with each other through a software interface. In some embodiments, the Android system is divided into four layers, an application layer, an application framework layer, an Android runtime (Android runtime) and system library, and a kernel layer from top to bottom.

The application layer may include a series of application packages.

As shown in fig. 13, the application package may include camera, gallery, calendar, phone call, map, navigation, WLAN, bluetooth, music, video, short message, etc. applications.

The application framework layer provides an Application Programming Interface (API) and a programming framework for the application program of the application layer. The application framework layer includes a number of predefined functions.

As shown in FIG. 13, the application framework layers may include a window manager, content provider, view system, phone manager, resource manager, notification manager, and the like.

The window manager is used for managing window programs. The window manager can obtain the size of the display screen, judge whether a status bar exists, lock the screen, intercept the screen and the like.

The content provider is used to store and retrieve data and make it accessible to applications. The data may include video, images, audio, calls made and received, browsing history and bookmarks, phone books, etc.

The view system includes visual controls such as controls to display text, controls to display pictures, and the like. The view system may be used to build applications. The display interface may be composed of one or more views. For example, the display interface including the short message notification icon may include a view for displaying text and a view for displaying pictures.

The phone manager is used to provide communication functions of the mobile terminal 1200. Such as management of call status (including on, off, etc.).

The resource manager provides various resources for the application, such as localized strings, icons, pictures, layout files, video files, and the like.

The notification manager enables the application to display notification information in the status bar, can be used to convey notification-type messages, can disappear automatically after a brief dwell, and does not require user interaction. Such as a notification manager used to notify download completion, message alerts, etc. The notification manager may also be a notification that appears in the form of a chart or scroll bar text at the top status bar of the system, such as a notification of a background running application, or a notification that appears on the screen in the form of a dialog window. For example, text information is prompted in the status bar, a prompt tone is given, the communication terminal vibrates, and an indicator light flashes.

The Android Runtime comprises a core library and a virtual machine. The Android runtime is responsible for scheduling and managing an Android system.

The core library comprises two parts: one part is a function which needs to be called by java language, and the other part is a core library of android.

The application layer and the application framework layer run in a virtual machine. And executing java files of the application program layer and the application program framework layer into a binary file by the virtual machine. The virtual machine is used for performing the functions of object life cycle management, stack management, thread management, safety and exception management, garbage collection and the like.

The system library may include a plurality of functional modules. For example: surface managers (surface managers), Media Libraries (Media Libraries), three-dimensional graphics processing Libraries (e.g., OpenGL ES), 2D graphics engines (e.g., SGL), and the like.

The surface manager is used to manage the display subsystem and provide fusion of 2D and 3D layers for multiple applications.

The media library supports a variety of commonly used audio, video format playback and recording, and still image files, among others. The media library may support a variety of audio-video encoding formats, such as MPEG4, h.264, MP3, AAC, AMR, JPG, PNG, and the like.

The three-dimensional graphic processing library is used for realizing three-dimensional graphic drawing, image rendering, synthesis, layer processing and the like.

The 2D graphics engine is a drawing engine for 2D drawing.

The kernel layer is a layer between hardware and software. The inner core layer at least comprises a display driver, a camera driver, an audio driver and a sensor driver.

Based on the same inventive concept, an embodiment of the present invention further provides a display apparatus, as shown in fig. 14, which is a schematic structural diagram of a display apparatus 1400.

As shown in fig. 14, the display apparatus 1400 may include a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a memory 260, a user interface 265, a video processor 270, a display 275, an audio processor 280, an audio output interface 285, and a power supply 290.

The tuner demodulator 210 receives the broadcast television signal in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, and resonance, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., EPG data).

The tuner demodulator 210 is responsive to the user selected frequency of the television channel and the television signal carried by the frequency, as selected by the user and controlled by the controller 250.

The tuner demodulator 210 can receive a television signal in various ways according to the broadcasting system of the television signal, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, a digital modulation mode or an analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to the different kinds of the received television signals.

In other exemplary embodiments, the tuning demodulator 210 may also be in an external device, such as an external set-top box. In this way, the set-top box outputs a television signal after modulation and demodulation, and inputs the television signal into the display apparatus 200 through the external device interface 240.

The communicator 220 is a component for communicating with an external device or an external server according to various communication protocol types. For example, the display apparatus 200 may transmit content data to an external apparatus connected via the communicator 220, or browse and download content data from an external apparatus connected via the communicator 220. The communicator 220 may include a network communication protocol module or a near field communication protocol module such as a wifi module 221, a bluetooth module 222, a wired ethernet communication protocol module 223, etc., so that the communicator 220 may receive a control signal of the control device 100 according to the control of the controller 250 and implement the control signal as a wifi signal, a bluetooth signal, a radio frequency signal, etc.; according to the embodiment of the invention, the display device 200 establishes a Bluetooth connection with a standard communication Bluetooth module of the control device through the Bluetooth module 222, and the display device 200 establishes a wifi transmission link with the mobile terminal through the wifi module 221.

The detector 230 is a component of the display device 1400 for collecting signals of an external environment or interaction with the outside. The detector 230 may include a sound collector 231, such as a microphone, which may be used to receive a user's sound, such as a voice signal of a control instruction of the user to control the display device 1400; alternatively, ambient sounds may be collected that identify the type of ambient scene, enabling the display device 1400 to adapt to ambient noise.

In some other exemplary embodiments, the detector 230, which may further include an image collector 232, such as a camera, a video camera, etc., may be configured to collect external environment scenes to adaptively change the display parameters of the display device 1400; and the function of collecting the attribute of the user or the gesture interacted with the user so as to realize the interaction between the display equipment and the user.

In some other exemplary embodiments, the detector 230 may further include a light receiver for collecting the intensity of the ambient light to adapt to the display parameter variation of the display device 1400.

In other exemplary embodiments, the detector 230 may further include a temperature sensor, such as by sensing an ambient temperature, and the display device 1400 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, the display device 1400 may be adjusted to display a cool color tone; when the temperature is lower, the display device 1400 may be adjusted to display a warmer color temperature of the image.

The external device interface 240 is a component for providing the controller 250 to control data transmission between the display apparatus 1400 and an external apparatus. The external device interface 240 may be connected to an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.

The external device interface 240 may include: a High Definition Multimedia Interface (HDMI) terminal 241, a Composite Video Blanking Sync (CVBS) terminal 242, an analog or digital Component terminal 243, a Universal Serial Bus (USB) terminal 244, a Component terminal (not shown), a red, green, blue (RGB) terminal (not shown), and the like.

The controller 250 controls the operation of the display device 1400 and responds to the user's operations by running various software control programs (e.g., an operating system and various application programs) stored on the memory 260.

As shown in fig. 14, the controller 250 includes a Random Access Memory (RAM)251, a Read Only Memory (ROM)252, a graphics processor 253, a CPU processor 254, a communication interface 255, and a communication bus 256. The RAM251, the ROM252, the graphic processor 253, and the CPU processor 254 are connected to each other through a communication bus 256 through a communication interface 255.

The ROM252 stores various system boot instructions. When the power-on signal is received, the display apparatus 1400 starts the power-on, and the CPU processor 254 executes the system start-up instruction in the ROM252, and copies the operating system stored in the memory 260 to the RAM251 to start the running of the start-up operating system. After the start of the operating system is completed, the CPU processor 254 copies the various application programs in the memory 260 to the RAM251 and then starts running and starting the various application programs.

And a graphic processor 253 for generating various graphic objects such as icons, operation menus, and user input instruction display graphics, etc. The graphic processor 253 may include an operator for performing an operation by receiving various interactive instructions input by a user, and further displaying various objects according to display attributes; and a renderer for generating various objects based on the operator and displaying the rendered result on the display 275.

A CPU processor 254 for executing operating system and application program instructions stored in memory 260. And according to the received user input instruction, processing of various application programs, data and contents is executed so as to finally display and play various audio-video contents.

In some example embodiments, the CPU processor 254 may comprise a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some initialization operations of the display device 1400 in the display device preloading mode and/or operations of displaying a screen in the normal mode. A plurality of or one sub-processor for performing an operation in a state of a standby mode or the like of the display apparatus.

The communication interface 255 may include a first interface to an nth interface. These interfaces may be network interfaces that are connected to external devices via a network.

The controller 250 may control the overall operation of the display apparatus 1400. For example: in response to receiving a user input command for selecting a GUI object displayed on the display 275, the controller 250 may perform an operation related to the object selected by the user input command.

Where the object may be any one of the selectable objects, such as a hyperlink or an icon. The operation related to the selected object is, for example, an operation of displaying a link to a hyperlink page, document, image, or the like, or an operation of executing a program corresponding to the object. The user input command for selecting the GUI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch panel, etc.) connected to the display apparatus 1400 or a voice command corresponding to a voice spoken by the user.

The memory 260 stores various types of data, software programs, or applications that drive and control the operation of the display device 1400. The memory 260 may include volatile and/or nonvolatile memory. And the term "memory" includes the memory 260, the RAM251 and the ROM252 of the controller 250, or a memory card in the display device 1400.

In some embodiments, the memory 260 is specifically used for storing an operating program for driving the controller 250 of the display device 1400; various application programs built in the display device 1400 and downloaded by a user from an external device are stored; data such as visual effect images for configuring various GUIs provided by the display 275, various objects related to the GUIs, and selectors for selecting GUI objects are stored.

In some embodiments, memory 260 is specifically configured to store drivers for tuner demodulator 210, communicator 220, detector 230, external device interface 240, video processor 270, display 275, audio processor 280, etc., and related data, such as external data (e.g., audio-visual data) received from the external device interface or user data (e.g., key information, voice information, touch information, etc.) received by the user interface.

In some embodiments, memory 260 specifically stores software and/or programs representing an Operating System (OS), which may include, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. Illustratively, the kernel may control or manage system resources, as well as functions implemented by other programs (e.g., the middleware, APIs, or applications); at the same time, the kernel may provide an interface to allow middleware, APIs, or applications to access the controller to enable control or management of system resources.

A block diagram of the architectural configuration of the operating system in the memory of the display device 1400 is illustrated in fig. 15. The operating system architecture comprises an application layer, a middleware layer and a kernel layer from top to bottom.

The application layer, the application programs built in the system and the non-system-level application programs belong to the application layer. Is responsible for direct interaction with the user. The application layer may include a plurality of applications such as a setup application, a post application, a media center application, and the like. These applications may be implemented as Web applications that execute based on a WebKit engine, and in particular may be developed and executed based on HTML5, Cascading Style Sheets (CSS), and JavaScript.

Here, HTML, which is called HyperText Markup Language (HyperText Markup Language), is a standard Markup Language for creating web pages, and describes the web pages by Markup tags, where the HTML tags are used to describe characters, graphics, animation, sound, tables, links, etc., and a browser reads an HTML document, interprets the content of the tags in the document, and displays the content in the form of web pages.

CSS, known as Cascading Style Sheets (Cascading Style Sheets), is a computer language used to represent the Style of HTML documents, and may be used to define Style structures, such as fonts, colors, locations, etc. The CSS style can be directly stored in the HTML webpage or a separate style file, so that the style in the webpage can be controlled.

JavaScript, a language applied to Web page programming, can be inserted into an HTML page and interpreted and executed by a browser. The interaction logic of the Web application is realized by JavaScript. The JavaScript can package a JavaScript extension interface through the browser to realize communication with the kernel layer.

The middleware layer may provide some standardized interfaces to support the operation of various environments and systems. For example, the middleware layer may be implemented as multimedia and hypermedia information coding experts group (MHEG) middleware related to data broadcasting, DLNA middleware which is middleware related to communication with an external device, middleware which provides a browser environment in which each application program in the display device operates, and the like.

The kernel layer provides core system services such as: file management, memory management, process management, network management, system security authority management and the like. The kernel layer may be implemented as a kernel based on various operating systems, for example, a kernel based on the Linux operating system.

The kernel layer also provides communication between system software and hardware, and provides device driver services for various hardware, such as: provide display driver for the display, provide camera driver for the camera, provide button driver for the remote controller, provide wiFi driver for the WIFI module, provide audio driver for audio output interface, provide power management drive for Power Management (PM) module etc..

A user interface 265 receives various user interactions. Specifically, it is used to transmit an input signal of a user to the controller 250 or transmit an output signal from the controller 250 to the user. For example, the remote controller 100A may transmit an input signal input by a user, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., to the user interface 265, and then the input signal is forwarded to the controller 250 through the user interface 265; alternatively, the remote controller 100A may receive an output signal such as audio, video, or data output from the user interface 265 via the controller 250, and display the received output signal or output the received output signal in audio or vibration form.

In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on the display 275, and the user interface 265 receives the user input commands through the GUI. Specifically, the user interface 265 may receive user input commands for controlling the position of a selector in the GUI to select different objects or items.

Alternatively, the user may input a user command by inputting a specific sound or gesture, and the user interface 265 receives the user input command by recognizing the sound or gesture through the sensor. The video processor 270 is configured to receive an external video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on the display 275.

Illustratively, the video processor 270 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.

The demultiplexing module is configured to demultiplex an input audio/video data stream, for example, an input MPEG-2 stream (based on a compression standard of a digital storage media moving image and voice), and demultiplex the input audio/video data stream into a video signal and an audio signal.

And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.

And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display.

The frame rate conversion module is configured to convert a frame rate of an input video, for example, convert a frame rate of an input 60Hz video into a frame rate of 120Hz or 240Hz, where a common format is implemented by using, for example, an interpolation frame method.

And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output RGB data signals.

And a display 275 for receiving the image signal from the input of the video processor 270 and displaying the video content, the image and the menu manipulation interface. The display video content may be from the video content in the broadcast signal received by the tuner-demodulator 210, or from the video content input by the communicator 220 or the external device interface 240. The display 275 while displaying a user manipulation interface UI generated in the display device 1400 and used to control the display device 1400.

And, the display 275 may include a display screen assembly for presenting a picture and a driving assembly for driving the display of an image. Alternatively, a projection device and projection screen may be included, provided that display 275 is a projection display.

The audio processor 280 is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing to obtain an audio signal that can be played by the speaker 286.

Illustratively, audio processor 280 may support various audio formats. Such as MPEG-2, MPEG-4, Advanced Audio Coding (AAC), high efficiency AAC (HE-AAC), and the like.

The audio output interface 285 is used for receiving an audio signal output by the audio processor 280 under the control of the controller 250, and the audio output interface 285 may include a speaker 286 or an external sound output terminal 287, such as an earphone output terminal, for outputting to a generating device of an external device.

In other exemplary embodiments, video processor 270 may comprise one or more chips. Audio processor 280 may also comprise one or more chips.

And, in other exemplary embodiments, the video processor 270 and the audio processor 280 may be separate chips or may be integrated with the controller 250 in one or more chips.

And a power supply 290 for supplying power supply support to the display apparatus 1400 from the power input from the external power source under the control of the controller 250. The power supply 290 may be a built-in power supply circuit installed inside the display apparatus 1400 or may be a power supply installed outside the display apparatus 1400.

As shown in fig. 16, an embodiment of the present invention further provides a data transmission apparatus, including:

the transmitting module 1601 is used for broadcasting the bluetooth beacon information through the near field communication bluetooth module, so that the mobile terminal establishes bluetooth connection with the near field communication bluetooth module after receiving the broadcast bluetooth beacon information;

a connection establishing module 1602, configured to establish a bluetooth transmission link between the mobile terminal and the display device according to a bluetooth connection between the nfc bluetooth module and the mobile terminal and a bluetooth connection between a standard communication bluetooth module of the control device and the display device that is established in advance; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

the transmission module 1603 is used for transmitting wifi connection information of the mobile terminal and wifi connection information of the display device through the Bluetooth transmission link, so that a wifi transmission link is established between the mobile terminal and the display device and data transmission is carried out.

Optionally, the sending module 1601 is specifically configured to: broadcasting Bluetooth beacon information containing the equipment identifier of the display equipment so that the mobile terminal acquires the description information of the display equipment according to the equipment identifier and returns a Bluetooth connection response message after determining that the Bluetooth connection establishment condition is met according to the description information;

the connection establishing module 1602 is specifically configured to: after receiving the Bluetooth connection response message, establishing the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal;

Optionally, the transmission module 1603 is specifically configured to:

As shown in fig. 17, an embodiment of the present invention further provides another data transmission apparatus, including:

a receiving module 1701, configured to establish a bluetooth connection with a near field communication bluetooth module after receiving bluetooth beacon information broadcast by the control device through the near field communication bluetooth module, so that the control device establishes the bluetooth transmission link between the mobile terminal and the display device according to the bluetooth connection between the near field communication bluetooth module and the mobile terminal and a bluetooth connection between a standard communication bluetooth module of the control device and the display device that is established in advance; the transmitting power of the near field communication Bluetooth module is smaller than that of the standard communication Bluetooth module;

a transmission module 1702, configured to transmit wifi connection information of the mobile terminal to the display device through the bluetooth transmission link, and receive wifi connection information of the display device sent by the display device through the bluetooth transmission link;

and the connection establishing module 1703 is configured to establish a wifi transmission link between the display devices according to the wifi connection information of the display devices, and send data to the display devices through the wifi transmission link.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A control device comprising a near field communication Bluetooth module, a standard communication Bluetooth module, and a processor; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

2. The control device of claim 1, wherein the near field communication bluetooth module comprises a near field communication bluetooth chip and a bluetooth directional antenna;

the processor is further used for responding to a control instruction triggered by a user through the control area and sending the control instruction to the display equipment through the standard communication Bluetooth module.

3. The control device according to claim 2, wherein the standard communication bluetooth module includes a standard communication bluetooth chip and a bluetooth communication antenna;

a serial interface is arranged between the standard communication Bluetooth chip and the near field communication Bluetooth chip;

the processor is specifically configured to: and establishing a Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the near field communication Bluetooth module and the mobile terminal, the Bluetooth connection between the standard communication Bluetooth module of the control equipment and the display equipment and the serial interface.

4. The control device of claim 1, wherein the near field communication bluetooth module is specifically configured to: broadcasting Bluetooth beacon information containing the equipment identifier of the display equipment so that the mobile terminal acquires the description information of the display equipment according to the equipment identifier and returns a Bluetooth connection response message after determining that the Bluetooth connection establishment condition is met according to the description information; transmitting the received Bluetooth connection response message returned by the mobile terminal to the processor;

the processor is specifically configured to establish a bluetooth connection between the near field communication bluetooth module and the mobile terminal;

5. The control device of claim 1, wherein the processor is specifically configured to:

the wifi connection information sent by the display equipment is received through the standard Bluetooth communication module, and the wifi connection information of the display equipment is transmitted to the near field Bluetooth communication module; and transmitting the wifi connection information of the display device to the mobile terminal through the near field Bluetooth communication module.

6. A mobile terminal is characterized by comprising a Bluetooth module, a processor and a wifi module;

the Bluetooth module is used for receiving Bluetooth beacon information broadcast by the control equipment through the near field communication Bluetooth module and transmitting the Bluetooth beacon information to the processor; transmitting wifi connection information of the mobile terminal to the display device through a Bluetooth transmission link between the mobile terminal and the display device, and receiving the wifi connection information of the display device, which is transmitted by the display device through the Bluetooth transmission link;

7. The mobile terminal of claim 6, wherein the processor is specifically configured to: after receiving the Bluetooth beacon information, analyzing the equipment identifier of the display equipment from the Bluetooth beacon information; obtaining the description information of the display equipment according to the equipment identification, and generating a Bluetooth connection response message after determining that the Bluetooth connection establishment condition is met according to the description information;

the bluetooth module is further configured to: and sending the Bluetooth connection response message to the control equipment so that the control equipment establishes Bluetooth connection between the mobile terminal and the control equipment after receiving the Bluetooth connection response message.

8. The display device is characterized by comprising a Bluetooth module, a processor, a wifi module and a display screen;

the Bluetooth module is used for establishing Bluetooth connection with a standard communication Bluetooth module of control equipment, so that the control equipment establishes the Bluetooth transmission link between the mobile terminal and the display equipment according to the Bluetooth connection between the standard communication Bluetooth module and the display equipment and the Bluetooth connection between a near field communication Bluetooth module of the control equipment and the mobile terminal; the wifi connection information of the display equipment is transmitted to the mobile terminal through the Bluetooth transmission link, and the wifi connection information of the mobile terminal, which is sent by the mobile terminal through the Bluetooth transmission link, is received; wherein the transmitting power of the near field communication Bluetooth module is less than that of the standard communication Bluetooth module;

9. A method of data transmission, the method comprising:

10. A method of data transmission, the method comprising:

the mobile terminal transmits wifi connection information of the mobile terminal to the display device through the Bluetooth transmission link, and receives the wifi connection information of the display device, which is transmitted by the display device through the Bluetooth transmission link;