CN107800974A - Backboard, the multi-screen splicing method and apparatus based on backboard - Google Patents

Abstract

The invention discloses a kind of backboard, the backboard is used to carry multiple controlled ends, to realize the screen splicing of the multiple controlled end, the backboard is provided with control module, and the first communication module and the second communication module being connected with the control module, first communication module, which is used to establish with the controlled end, to be connected, and second communication module, which is used to establish with control terminal, to be connected, and the backboard also includes the multiple sensing elements for being used to determine the controlled end position being connected with the control module.The present invention also proposes a kind of multi-screen splicing method and apparatus based on backboard.The present invention is solved in multiple terminals screen splicing, and physical port mismatches or the technical problem of controlled end position recognition effect difference.

Description

Backplane, backplane-based multi-screen splicing method and device

technical field

The present invention relates to the technical field of multi-screen splicing, in particular to a backplane, a backplane-based multi-screen splicing method and device.

Background technique

The current multi-screen splicing technology mainly has the following two implementation methods. The first method is: use the connection device on the side of the mobile phone and add specific connection components to complete the previous connection of multiple mobile phones. , the transmission of the corresponding data is completed, and the positioning and communication between multiple mobile phone screens; the second method is: based on the computer vision screen splicing method, the spatial position information of each terminal is obtained through camera calibration, and then the to-be-displayed Screen area to complete multi-screen splicing.

However, there are defects in the above two methods. For the first splicing method, due to the differences in the models and manufacturers of different terminal devices, there are also large differences in their physical dimensions. For the matching problem, for the second splicing method, when the light is not particularly good, the calibration of the camera is prone to large errors, resulting in inaccurate recognition of the location of the mobile phone, resulting in incorrect recognition of the display area. In addition, camera calibrations from different manufacturers exist. Certain errors, these errors may also lead to errors in the position recognition of the controlled end.

To sum up, due to the defects in the existing multi-screen splicing technology, when the screens of multiple terminals are spliced and displayed, there are technical problems such as physical port mismatch or poor position recognition effect of the controlled terminal.

Contents of the invention

The present invention provides a backplane and a backplane-based multi-screen splicing method and device, the main purpose of which is to solve the technical problems of mismatching physical ports or poor position recognition of controlled terminals when multi-terminal screens are spliced.

To achieve the above purpose, the present invention provides a backplane. The backplane is used to carry a plurality of controlled terminals to realize screen splicing of the multiple controlled terminals, the backplane is provided with a control module, and a first communication module and a second communication module connected to the control module module, the first communication module is used to establish a connection with the controlled terminal, the second communication module is used to establish a connection with the control terminal, and the backplane also includes a plurality of devices connected to the control module for An inductive element for determining the position of the controlled end.

Optionally, the first communication module is a wired connection port or a wireless communication module.

Optionally, the sensing element is a pressure sensor or a light sensor.

Optionally, the distance between every two adjacent sensing elements is less than or equal to 4.6 cm.

In order to achieve the above object, the present invention also provides a multi-screen splicing method based on the above-mentioned backplane, the multi-screen splicing method based on the backplane includes:

When it is detected that a controlled terminal is connected to the backplane, obtain the detected device information of the controlled terminal, and obtain the position information of the controlled terminal based on the sensing chip, and combine the position information with the device information association;

When the backplane receives the interaction instruction sent by the control terminal, send the device information of each controlled terminal connected to the backplane and the position information associated with the device information to the control terminal;

When the sub-display data sent by the control terminal is received, the device information associated with the sub-display data is obtained, and the sub-display data is sent to the controlled terminal corresponding to the device information for display.

Optionally, when it is detected that a controlled terminal is connected to the backplane, the step of obtaining the detected device information of the controlled terminal, and obtaining the position information of the controlled terminal based on the sensing chip includes:

When it is detected that a controlled terminal is connected to the backplane, read the detected device information of the controlled terminal;

Determining the position number of the sensing element triggered within the preset time interval when the controlled end is connected to the backplane, and using the determined position number as the position information of the controlled end.

Optionally, when it is detected that a controlled terminal is connected to the backplane, the step of reading the detected device information of the controlled terminal includes:

When it is detected that a controlled terminal is connected to the backplane, determine the detected wired connection port connected to the controlled terminal;

The backplane sends a debugging instruction to the controlled terminal based on the determined wired connection port, so as to acquire device information of the controlled terminal.

In order to achieve the above object, the present invention also provides a multi-screen splicing method based on the above-mentioned backplane, the multi-screen splicing method based on the backplane includes:

When the control terminal receives the information acquisition instruction, it sends an interaction instruction to the connected backplane;

When the control terminal receives the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, it divides the display data into Multiple sub-display data for information matching;

Associate the divided sub-display data with corresponding device information and send them to the backplane, so that the backplane can distribute each sub-display data to the controlled terminal corresponding to the device information associated with the sub-display data to display.

Optionally, when the control terminal receives the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, it divides the display data into the The step of displaying multiple pieces of sub-display data matched by the device information and the location information includes:

When the control terminal receives the position information and the device information associated with the position information, acquire the display screens of a plurality of the controlled terminals connected to the backplane according to the device information and the position information layout;

Based on the display screen layout, the display data is divided into a plurality of sub-display data.

Optionally, the step of acquiring display screen layouts of multiple controlled terminals connected to the backplane according to the device information and the location information includes:

Acquiring the display screen size of each of the controlled terminals according to the received device information;

The display screen layout of the controlled terminals connected to the backboard is determined according to the display screen size and position information of each controlled terminal.

Optionally, before the step of associating the sub-display data with corresponding device information and sending them to the backplane, the backplane-based multi-screen splicing method further includes:

The control terminal previews and displays the divided sub-display data based on the layout of the display screen;

After receiving the confirming instruction, execute the step of associating the sub-display data with the corresponding device information and sending it to the backplane.

In addition, in order to achieve the above object, the present invention also provides the above-mentioned multi-screen splicing device based on a backplane, which includes:

An information acquisition module, configured to obtain the detected device information of the controlled terminal when it is detected that the controlled terminal is connected to the backplane, and obtain the position information of the controlled terminal based on the sensing chip, and store the position the information is associated with said device information;

A data transmission module, configured to send the device information of each controlled terminal connected to the backplane and the location information associated with the device information to the control terminal when receiving an interaction instruction sent by the control terminal;

The information acquiring module is further configured to: when receiving the sub-display data sent by the control terminal, acquire the device information associated with the sub-display data;

The data transmission module is further configured to: send the sub-display data to the controlled terminal corresponding to the device information for display.

Optionally, the information acquisition module is further configured to: read the detected device information of the controlled terminal when it is detected that the controlled terminal is connected to the backplane;

And, determine the position number of the sensing element triggered within the preset time interval when the controlled end is connected to the backplane, and use the determined position number as the position information of the controlled end.

Optionally, the information acquisition module is further configured to: when it is detected that a controlled terminal is connected to the backplane, determine the detected wired connection port connected to the controlled terminal; and, based on the determined wired connection The port sends a debugging command to the controlled terminal to acquire device information of the controlled terminal.

In addition, in order to achieve the above object, the present invention also provides the above-mentioned multi-screen splicing device based on a backplane, which includes:

An information sending module, configured to send an interaction instruction to the connected backplane when receiving an information acquisition instruction;

The data processing module is configured to, when receiving the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, divide the display data into the information corresponding to the device information and the device information, respectively. Multiple sub-display data whose location information matches;

The information sending module is further configured to: correlate the divided sub-display data with corresponding device information and send them to the backplane, so that the backplane can distribute each sub-display data to the sub-display data. The corresponding controlled end of the associated device information is displayed.

Optionally, the data processing module includes:

a layout acquiring unit, configured to, when receiving the position information and the device information associated with the position information, acquire the multiple controlled terminals connected to the backplane according to the device information and the position information display layout;

A data splitting unit, configured to split the display data into a plurality of sub-display data based on the display screen layout.

Optionally, the layout acquisition unit is further configured to: acquire the display screen size of each of the controlled terminals according to the received device information; and determine the display screen size and position information of each of the controlled terminals. The layout of the display screen of the controlled terminal connected on the backplane.

Optionally, the backplane-based multi-screen splicing device also includes:

A preview display module, configured to preview and display the divided sub-display data based on the display screen layout;

The information sending module is further configured to: after receiving the confirmation instruction, correlate the sub-display data with the corresponding device information and send it to the backplane.

The backboard, the multi-screen splicing method and device based on the backboard proposed by the present invention, the backboard can establish connections with multiple controlled terminals, and when determining the position information, determine the information carried on the backboard according to the inductive elements on the backboard. The location information of multiple controlled terminals does not need to be realized by any part of the controlled terminal itself, that is, it does not depend on the controlled terminal, which improves the accuracy of the position recognition of the controlled terminal; and is connected to the controlled terminal through the first communication module To obtain the device information of the controlled end, the connection between the backplane and the controlled end can be realized without setting specific connection elements on the controlled end, and then the backplane establishes a connection with the control end through the second communication module to realize the control end The interaction with the backplane satisfies the user's use of multi-screen splicing. When the backplane receives the interaction command sent by the control terminal, it sends the above location information and device information to the control terminal, and receives the control terminal based on the above location information. The sub-display data obtained by dividing the display data with the device information, and sending each sub-display data to the corresponding controlled terminal for display, which solves the problem of physical port mismatch or controlled terminal position identification when multi-terminal screen splicing Poor technical issues.

Description of drawings

FIG. 1 is a schematic structural view of an embodiment of a backplane of the present invention;

2 is a schematic diagram of connecting multiple controlled terminals through wired connection ports in an embodiment of the backplane of the present invention;

3 is a schematic diagram of connecting multiple controlled terminals through a wireless communication module in another embodiment of the backplane of the present invention;

4 is a flow chart of the first embodiment of the backplane-based multi-screen splicing method of the present invention;

Fig. 5 is a schematic diagram of the connection of the backplane, the controlled terminal and the control terminal in the first embodiment of the backplane-based multi-screen splicing method of the present invention;

Fig. 6 is a schematic diagram of the effect of splicing and displaying on multiple controlled terminals after the display data is divided in the first embodiment of the backplane-based multi-screen splicing method of the present invention;

7 is a flow chart of the second embodiment of the backplane-based multi-screen splicing method of the present invention;

Fig. 8 is a schematic diagram of the functional modules of the first embodiment of the backplane-based multi-screen splicing device of the present invention;

FIG. 9 is a schematic diagram of functional modules of the second embodiment of the backplane-based multi-screen splicing device of the present invention.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The invention provides a backplane. Referring to FIG. 1 , it is a schematic structural diagram of an embodiment of the backplane of the present invention.

In this embodiment, the backplane 100 is used to carry multiple controlled terminals to realize screen splicing of multiple controlled terminals. The backplane 100 is provided with a control module 10 and a first communication module 20 connected to the control module 10 and the second communication module 30, the first communication module 20 is used to establish a connection with the controlled terminal, the second communication module 30 is used to establish a connection with the control terminal, and the backplane 100 also includes a plurality of devices connected to the control module 10 for determining The sensing element 40 for the position of the controlled end.

The above-mentioned first communication module 20 for connecting the controlled terminal may be a wired connection port or a wireless communication module. 1, the first communication module 20 is a wired connection port, such as a universal USB (Universal Serial Bus, Universal Serial Bus) port, and a plurality of USB ports for connecting the controlled terminal are arranged on the backplane 100, because The USB port is a general-purpose connection port, and controlled terminals such as mobile phones and tablet computers of various types can establish wired connections with the backplane 100. As shown in FIG. A schematic diagram of a port connecting multiple controlled terminals.

Optionally, as another implementation manner, the first communication module 20 may be a wireless communication module, such as a Bluetooth module, a wi-fi (Wireless-Fidelity, wireless fidelity) module, etc., which can realize near-field communication. Referring to FIG. 3 , it is a schematic diagram of connecting multiple controlled terminals through a wireless communication module in another embodiment of the backplane 100 of the present invention.

It can be understood that, as an implementation manner, the first communication module 20 in the above two manners can be installed in the backplane 100 at the same time, so as to facilitate the establishment of connections with various types of controlled terminals.

Optionally, the second communication module 30 is a module capable of realizing near-field communication, such as a wi-fi module and a bluetooth module. Above-mentioned first communication module 20 and second communication module 30 are all connected with control module 10, and control module 10 is the control chip that has calculation and data processing ability, for example, can be microprocessor, to the data that receives or the data to be sent to process.

The sensing element 40 may be a pressure sensor. Referring to FIG. 1 , a plurality of pressure sensors are evenly arranged on the backplane 100 to determine the position information of each controlled terminal. When a pressure sensor detects pressure information, the backplane 100 can determine the position of the pressure sensor in the pressurized area, and then determine the position information of the controlled terminal located on it. All the pressure sensors on the backplane 100 are numbered, as shown in the figure 1, the number on the sensing element 40 is its number, and the numbers of all pressure sensors and the corresponding positions of the pressure sensors on the backboard are stored in the control module 10. When the pressure sensor detects the pressure information, it determines the detection The number of the sensor that has measured the pressure information, and then determine its position, so as to obtain the position where the controlled end is placed.

Optionally, the distance between every two adjacent sensing elements 40 is less than or equal to 4.6 cm. Specifically, the density of the sensing element 40 is not lower than the minimum length and width of a 3.7-inch screen, so as to meet the support for mobile phones with a screen size of 3.7 inches and above; for example, a 3.7-inch mobile phone has an aspect ratio of 16:9, according to the Pythagorean Theorem , it can be obtained that the width is 4.60 cm and the length is 8.17 cm, so the width density of the sensing element 40 is not less than 1 piece/4.60 cm, and the length density is not less than 1 piece/8.18 cm.

In other embodiments of the backplane 100 of the present invention, the sensing element 40 may also be a light sensor whose position is similar to that of a pressure sensor, but determines the position information of the controlled terminal by sensing changes in light signals.

Optionally, when more terminals are required to be spliced and displayed, multiple backplanes 100 in the present invention can be spliced together and connected to realize expansion of a larger screen. When the sensing element 40 is a pressure sensor, the backboard 100 needs to be placed horizontally when in use; or a fixing device is provided on the backboard 100 to place the controlled end at an angle of less than 90 degrees to the horizontal plane.

The backplane 100 proposed in this embodiment can establish connections with multiple controlled terminals. When determining the position information, the position information of the multiple controlled terminals carried on the backplane 100 is determined according to the sensing element 40 on the backplane 100. It does not need to be realized by any part of the controlled terminal itself, that is, it does not depend on the controlled terminal, which improves the accuracy of the position recognition of the controlled terminal; and obtains the device information of the controlled terminal through the first communication module 20 connected with the controlled terminal, The connection between the backplane 100 and the controlled terminal can be realized without setting specific connection elements on the controlled terminal, and then the backplane 100 establishes a connection with the control terminal through the second communication module 30 to realize the connection between the control terminal and the backplane 100. The interaction between them satisfies the user's use of multi-screen splicing, and solves the technical problems of mismatching physical ports or poor position recognition of the controlled terminal when splicing multiple terminal screens.

Based on the backplane in the above embodiment, the present invention also provides a multi-screen splicing method based on the backplane. Referring to FIG. 4 , it is a flow chart of the first embodiment of the backplane-based multi-screen splicing method of the present invention. In this embodiment, the execution subject of the following steps is the backplane.

In this embodiment, the backplane-based multi-screen splicing method includes:

Step S01, when it is detected that a controlled terminal is connected to the backplane, obtain the detected device information of the controlled terminal, and obtain the position information of the controlled terminal based on the sensing chip, and combine the position information with the Association of the above equipment information;

The following takes the controlled terminal as a mobile phone, the first communication module as a USB port, and the sensing element as a pressure sensor as an example. Since mobile phones are generally equipped with USB ports and adapted data lines, users can use the data lines of the mobile phone to connect The mobile phone is connected to the backplane, and after being connected to the backplane, the mobile phone is switched to the debugging module, so as to facilitate data transmission, and at the same time establish a wireless communication between the backplane and the control terminal, as shown in Figure 5, which is based on the backplane of the present invention The connection diagram of the backplane, the controlled terminal and the control terminal in the first embodiment of the multi-screen splicing method. The backplane is respectively connected to the controlled terminal A, the controlled terminal B and the controlled terminal C through USB ports, and establishes a connection with the control terminal through wireless communication.

When the user uses the backplane for multi-screen splicing display, the controlled terminal A, the controlled terminal B, and the controlled terminal C are respectively connected to the backplane through data cables.

Specifically, the step of acquiring location information includes: when it is detected that a controlled terminal is connected to the backplane, reading the detected device information of the controlled terminal; The position number of the sensing element triggered within the preset time interval, and the determined position number is used as the position information of the controlled terminal.

For the backplane, when a pressure sensor detects pressure information, it is determined that the controlled end is connected to the backplane, and the number of the pressure sensor that detects the pressure information is determined, that is, the numbers of all pressure sensors in the pressure area are determined, such as As shown in the figure, assuming that when the controlled terminal A is placed, the numbers of the pressure sensors that detect the pressure information are 11, 12, 13, 21, 22, and 23, then the above numbers can be used as the position information of the controlled terminal A and recorded as P1 ;In order to accurately obtain the location information of each controlled terminal, when placing the controlled terminal, it is necessary to place one at a time, and place them in sequence; obtain the location information of controlled terminal A, controlled terminal B, and controlled terminal C respectively They are P1, P2, and P3 respectively.

After the controlled terminal is connected to the backboard, it enters the debugging module, and the backplane can read the device information of the controlled terminal. The device information includes the display size of the mobile phone, the size of the mobile phone, and the resolution of the mobile phone. The backplane obtains the device information of controlled terminal A, controlled terminal B, and controlled terminal C respectively, records them as S1, S2, and S3, and associates the device information of each controlled terminal with its location information, and encapsulates them as (S1 , P1), (S2, P2), (S3, P3) formats are stored on the backplane.

Specifically, the step of obtaining device information includes: when it is detected that a controlled terminal is connected to the backplane, determining the detected wired connection port connected to the controlled terminal; Send a debugging instruction to the controlled terminal to acquire device information of the controlled terminal.

After obtaining the above information, if no controlled terminal is connected to the backplane within a certain period of time, the backplane enters a state of waiting to receive an interaction command.

Step S02, when the backplane receives the interaction instruction sent by the control terminal, send the device information of each controlled terminal connected to the backplane and the location information associated with the device information to the control terminal;

Step S03, when the sub-display data sent by the control terminal is received, obtain the device information associated with the sub-display data, and send the sub-display data to the controlled terminal corresponding to the device information for display.

After each controlled terminal is connected to the backplane, the user can trigger the information acquisition command based on the control terminal. When the control terminal receives the information acquisition command, it sends an interactive command to the connected backplane. When the backplane receives the interactive command, Send the device information of the controlled terminal A, the controlled terminal B, and the controlled terminal C and the associated location information (S1, P1), (S2, P2), (S3, P3) to the control terminal.

According to the above information received, the control terminal divides the display data D into a plurality of sub-display data D1, D2, and D3 respectively matching the above-mentioned device information and location information. Optionally, as shown in FIG. 5, the divided The display effect of the sub-display data on the three terminals is previewed and displayed on the preview area of the control terminal, which is convenient for the user to check the splicing display effect of the divided sub-display data in advance.

Associate the divided sub-display data D1, D2, and D3 with the device information at the corresponding positions and send them to the backplane, for example, associate D1 with S1, associate D2 with S2, associate D3 with S3, and package as ( D1, S1), (D2, S2), (D3, S3) and then send to the backplane.

When the backplane receives the sub-display data sent by the control terminal, for example, the received data are (D1, S1), (D2, S2), (D3, S3), the device information corresponding to each sub-display data can be obtained, and the Each sub-display data is sent to the controlled end corresponding to its associated device information for display. Referring to Figure 6, the sub-display data D1, D2, and D3 are displayed on the controlled end A, the controlled end B, and the controlled end C respectively. A schematic diagram of the display effect above.

In the backplane-based multi-screen splicing method proposed in this embodiment, after the controlled terminal establishes a connection with the backplane, the backplane determines the position information and device information of the controlled terminal through the sensing element, and compares the position information with the corresponding position The device information association of the controlled terminal, when receiving the interactive command sent by the control terminal, sends the above location information and device information to the control terminal, and receives the display data obtained by the control terminal based on the above location information and device information. Sub-display data, each sub-display data is sent to the corresponding controlled terminal for display, the method of this embodiment can realize the connection between the backplane and the controlled terminal without setting specific connection elements on the controlled terminal The connection does not depend on the controlled terminal, which improves the accuracy of controlled terminal position recognition and display area recognition, and solves the technical problems of mismatching physical ports or poor position recognition of the controlled terminal when multi-terminal screens are spliced.

Referring to FIG. 7 , it is a flow chart of the second embodiment of the backplane-based multi-screen splicing method of the present invention. In this embodiment, the execution subject of the following steps is the control terminal. In this embodiment, the backplane-based multi-screen splicing method includes:

Step S04, when the control terminal receives the information acquisition instruction, it sends an interaction instruction to the connected backplane;

Step S05, when the control terminal receives the location information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the location information, divide the display data into A plurality of sub-display data matched by the location information;

Step S06, correlating the divided sub-display data with the corresponding device information and sending them to the backplane, so that the backplane can distribute each sub-display data to the device corresponding to the device information associated with the sub-display data. The controlled end displays.

The control terminal in the embodiment of the present invention is provided with a control for triggering an information acquisition command. After the user confirms that the backplane has established a connection with each controlled terminal, the information acquisition command can be triggered based on the above control, and the control terminal detects that the information acquisition When commanding, an interactive command is sent to the backplane, and the subsequent information transmission and display data segmentation are displayed. Refer to the above-mentioned embodiments, and details will not be repeated here.

Further, step S05 may include the following refinement steps:

When the control terminal receives the position information and the device information associated with the position information, acquire the display screens of a plurality of the controlled terminals connected to the backplane according to the device information and the position information layout;

Based on the display screen layout, the display data is divided into a plurality of sub-display data.

After receiving (S1, P1), (S2, P2), (S3, P3), the control terminal obtains the display screen sizes of controlled terminal A, controlled terminal B, and controlled terminal C from S1, S2, and S3 respectively , determine the display layout of the controlled terminal connected to the backboard according to the display size and position information. In addition, the control terminal can preview and display the divided sub-display data D1 , D2 , D3 based on the layout of the display screen, as shown in the preview area in FIG. 5 . If the user confirms that the preview display is correct, a confirmation command is triggered, and the control terminal associates the sub-display data with corresponding device information and sends them to the backplane.

The present invention also proposes a multi-screen splicing device based on a backplane.

Referring to FIG. 8 , it is a schematic diagram of functional modules of the first embodiment of the backplane-based multi-screen splicing device of the present invention. The backplane-based multi-screen splicing device proposed in this embodiment may be the backplane itself.

In this embodiment, the backplane-based multi-screen splicing device includes:

The information acquisition module 01 is used to obtain the detected device information of the controlled terminal when it is detected that the controlled terminal is connected to the backplane, and obtain the position information of the controlled terminal based on the sensing chip, and the The location information is associated with the device information;

The following takes the controlled terminal as a mobile phone, the first communication module as a USB port, and the sensing element as a pressure sensor as an example. Since mobile phones are generally equipped with USB ports and adapted data lines, users can use the data lines of the mobile phone to connect The mobile phone is connected to the backplane, and after being connected to the backplane, the mobile phone is switched to the debugging module, so as to facilitate data transmission, and at the same time establish a wireless communication between the backplane and the control terminal, as shown in Figure 5, which is based on the backplane of the present invention The connection diagram of the backplane, the controlled terminal and the control terminal in the first embodiment of the multi-screen splicing method. The backplane is respectively connected to the controlled terminal A, the controlled terminal B and the controlled terminal C through USB ports, and establishes a connection with the control terminal through wireless communication.

When the user uses the backplane for multi-screen splicing display, the controlled terminal A, the controlled terminal B, and the controlled terminal C are respectively connected to the backplane through data cables.

Specifically, the information acquisition module 01 is also used to: when it is detected that a controlled terminal is connected to the backplane, read the detected device information of the controlled terminal; and determine that the controlled terminal is connected to the The position number of the triggered sensing element within the preset time interval of the backplane, and the determined position number is used as the position information of the controlled terminal.

For the backplane, when a pressure sensor detects pressure information, it is determined that the controlled end is connected to the backplane, and the information acquisition module 01 determines the number of the pressure sensor that detects the pressure information, that is, determines all the pressure sensors in the pressurized area As shown in the figure, it is assumed that when the controlled terminal A is placed, the pressure sensor numbers that detect the pressure information are 11, 12, 13, 21, 22, 23, and the information acquisition module 01 can use the above numbers as the controlled terminal A The location information of each controlled terminal is recorded as P1; in order to accurately obtain the location information of each controlled terminal, when placing the controlled terminal, it is necessary to place one at a time, and place them in sequence; the controlled terminal A, controlled terminal B, The position information of the controlled terminal C is respectively P1, P2, and P3.

After the controlled end is connected to the backplane, it enters the debugging module, and the information acquisition module 01 can read the device information of the controlled end, wherein the device information includes information such as the size of the display screen of the mobile phone, the size of the mobile phone, and the resolution of the mobile phone. The information acquisition module 01 of the backplane obtains the device information of the controlled terminal A, the controlled terminal B, and the controlled terminal C respectively, records them as S1, S2, and S3, and associates the device information of each controlled terminal with its location information, The formats packaged as (S1, P1), (S2, P2), (S3, P3) respectively are stored on the backplane.

Specifically, the step of obtaining device information includes: when it is detected that a controlled terminal is connected to the backplane, determining the detected wired connection port connected to the controlled terminal; Send a debugging instruction to the controlled terminal to acquire device information of the controlled terminal.

After obtaining the above information, if no controlled terminal is connected to the backplane within a certain period of time, the backplane enters a state of waiting to receive an interaction command.

The data transmission module 02 is configured to send the device information of each controlled terminal connected to the backboard and the location information associated with the device information to the Control terminal;

The information acquiring module 01 is further configured to: when receiving the sub-display data sent by the control terminal, acquire the device information associated with the sub-display data;

The data transmission module 02 is further configured to: send the sub-display data to the controlled terminal corresponding to the device information for display.

After each controlled terminal is connected to the backplane, the user can trigger the information acquisition command based on the control terminal. When the control terminal receives the information acquisition command, it sends an interactive command to the connected backplane. When the backplane receives the interactive command, The data transmission module 02 sends the device information of the controlled terminal A, the controlled terminal B, and the controlled terminal C and the associated location information (S1, P1), (S2, P2), (S3, P3) to the control terminal.

According to the above information received, the control terminal divides the display data D into a plurality of sub-display data D1, D2, and D3 respectively matching the above-mentioned device information and location information. Optionally, as shown in FIG. 5, the divided The display effect of the sub-display data on the three terminals is previewed and displayed on the preview area of the control terminal, which is convenient for the user to check the splicing display effect of the divided sub-display data in advance.

The control terminal associates the divided sub-display data D1, D2, and D3 with the device information at the corresponding positions and sends them to the backplane. For example, associate D1 with S1, associate D2 with S2, associate D3 with S3, and package (D1, S1), (D2, S2), (D3, S3) and send to the backplane.

When the backplane receives the sub-display data sent by the control terminal, for example, the received data are (D1, S1), (D2, S2), (D3, S3), the information acquisition module 01 can obtain the corresponding sub-display data For device information, the data transmission module 02 sends each sub-display data to the controlled terminal corresponding to its associated device information for display. Referring to FIG. Schematic diagram of the display effect on the control terminal B and the controlled terminal C.

In the backplane-based multi-screen splicing device proposed in this embodiment, after the controlled terminal establishes a connection with the backplane, the backplane determines the position information and equipment information of the controlled terminal through the sensing element, and compares the position information with the corresponding position The device information association of the controlled terminal, when receiving the interactive command sent by the control terminal, sends the above location information and device information to the control terminal, and receives the display data obtained by the control terminal based on the above location information and device information. Sub-display data, each sub-display data is sent to the corresponding controlled terminal for display, the device of this embodiment can realize the connection between the backplane and the controlled terminal without setting specific connection elements on the controlled terminal The connection does not depend on the controlled terminal, which improves the accuracy of controlled terminal position recognition and display area recognition, and solves the technical problems of mismatching physical ports or poor display area recognition when multi-terminal screens are spliced.

Referring to FIG. 9 , it is a schematic diagram of functional modules of the second embodiment of the backplane-based multi-screen splicing device of the present invention. The backplane-based multi-screen splicing device proposed in this embodiment is the control terminal.

In this embodiment, the backplane-based multi-screen splicing device includes:

An information sending module 03, configured to send an interaction instruction to the connected backplane when receiving an information acquisition instruction;

The data processing module 04 is configured to, when receiving the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, divide the display data into Multiple sub-display data matching the above location information;

The information sending module 03 is also used for: associating the divided sub-display data with corresponding device information and sending them to the backplane, so that the backplane can assign each sub-display data to the sub-display data associated with the sub-display data The device information corresponding to the controlled terminal will be displayed.

The control terminal in the embodiment of the present invention is provided with a control for triggering an information acquisition command. After the user confirms that the backplane has established a connection with each controlled terminal, the information acquisition command can be triggered based on the above control, and the control terminal detects that the information acquisition When instructing, the information sending module 03 sends an interactive instruction to the backplane, and the subsequent information transmission and display data division is displayed. Refer to the above-mentioned embodiments, and details will not be repeated here.

Further, the data processing module 04 includes:

a layout acquiring unit, configured to, when receiving the position information and the device information associated with the position information, acquire the multiple controlled terminals connected to the backplane according to the device information and the position information display layout;

A data splitting unit, configured to split the display data into a plurality of sub-display data based on the display screen layout.

After receiving (S1, P1), (S2, P2), (S3, P3), the control terminal obtains the display screen sizes of controlled terminal A, controlled terminal B, and controlled terminal C from S1, S2, and S3 respectively The layout acquisition unit is further configured to: acquire the display screen size of each of the controlled terminals according to the received device information; and determine the screen size and position information of each of the controlled terminals to determine Display layout of the controlled terminal. In addition, the multi-screen splicing device based on the backplane also includes: a preview display module, which is used to preview and display the sub-display data obtained by splitting based on the display screen layout; the information sending module 03 is also used to: after receiving the confirmation instruction Afterwards, the sub-display data is associated with corresponding device information and then sent to the backplane. The preview display module can preview and display the divided sub-display data D1, D2, D3 based on the layout of the display screen, as shown in the preview area in FIG. 5 . If the user confirms that the preview display is correct, a confirmation command is triggered, and the information sending module 03 associates the sub-display data with corresponding device information and sends them to the backplane.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields , are all included in the scope of patent protection of the present invention in the same way.

Claims (18)

1. A backplane, characterized in that the backplane is used to carry a plurality of controlled terminals to realize screen splicing of the multiple controlled terminals, the backplane is provided with a control module, and is connected to the control module The modules are connected with a first communication module and a second communication module, the first communication module is used to establish a connection with the controlled terminal, the second communication module is used to establish a connection with the control terminal, and the backplane also includes A plurality of sensing elements connected to the control module for determining the position of the controlled end. 2. The backplane according to claim 1, wherein the first communication module is a wired connection port or a wireless communication module. 3. The backplane according to claim 1, wherein the sensing element is a pressure sensor or a light sensor. 4. The backplane according to claim 1, wherein the distance between every two adjacent sensing elements is less than or equal to 4.6 cm. 5. A multi-screen splicing method based on a backplane, characterized in that, the backplane is the backplane according to claim 1, and the multi-screen splicing method based on a backplane comprises: When it is detected that a controlled terminal is connected to the backplane, obtain the detected device information of the controlled terminal, and obtain the position information of the controlled terminal based on the sensing chip, and combine the position information with the device information association; When the backplane receives the interaction instruction sent by the control terminal, send the device information of each controlled terminal connected to the backplane and the position information associated with the device information to the control terminal; When the sub-display data sent by the control terminal is received, the device information associated with the sub-display data is obtained, and the sub-display data is sent to the controlled terminal corresponding to the device information for display. 6. The backplane-based multi-screen splicing method according to claim 5, wherein when it is detected that a controlled terminal is connected to the backplane, the device information of the detected controlled terminal is obtained, and based on the The step of obtaining the position information of the controlled terminal by the sensing chip comprises: When it is detected that a controlled terminal is connected to the backplane, read the detected device information of the controlled terminal; Determining the position number of the sensing element triggered within the preset time interval when the controlled end is connected to the backplane, and using the determined position number as the position information of the controlled end. 7. The backplane-based multi-screen splicing method according to claim 6, characterized in that, when it is detected that a controlled terminal is connected to the backplane, the device information of the detected controlled terminal is read. Steps include: When it is detected that a controlled terminal is connected to the backplane, determine the detected wired connection port connected to the controlled terminal; The backplane sends a debugging instruction to the controlled terminal based on the determined wired connection port, so as to acquire device information of the controlled terminal. 8. A multi-screen splicing method based on a backplane, wherein the backplane is the backplane according to claim 1, and the multi-screen splicing method based on a backplane comprises: When the control terminal receives the information acquisition instruction, it sends an interaction instruction to the connected backplane; When the control terminal receives the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, it divides the display data into Multiple sub-display data for information matching; Associate the divided sub-display data with corresponding device information and send them to the backplane, so that the backplane can distribute each sub-display data to the controlled terminal corresponding to the device information associated with the sub-display data to display. 9. The backplane-based multi-screen splicing method according to claim 8, characterized in that, when the control terminal receives the position information of the controlled terminal sent by the backplane based on the interaction instruction and is related to the When the device information associated with the above location information is used, the step of dividing the display data into a plurality of sub-display data respectively matching the device information and the location information includes: When the control terminal receives the position information and the device information associated with the position information, acquire the display screens of a plurality of the controlled terminals connected to the backplane according to the device information and the position information layout; Based on the display screen layout, the display data is divided into a plurality of sub-display data. 10. The backplane-based multi-screen splicing method according to claim 9, wherein the display of multiple controlled terminals connected to the backplane is acquired according to the device information and the position information The steps for screen layout include: Acquiring the display screen size of each of the controlled terminals according to the received device information; The display screen layout of the controlled terminals connected to the backboard is determined according to the display screen size and position information of each controlled terminal. 11. The backplane-based multi-screen splicing method according to claim 10, characterized in that before the step of associating the sub-display data with the corresponding device information and sending them to the backplane, the backplane-based The multi-screen splicing method of the board also includes: The control terminal previews and displays the divided sub-display data based on the layout of the display screen; After receiving the confirming instruction, execute the step of associating the sub-display data with the corresponding device information and sending it to the backplane. 12. A multi-screen splicing device based on a backplane, characterized in that the multi-screen splicing device based on a backplane comprises: An information acquisition module, configured to obtain the detected device information of the controlled terminal when it is detected that the controlled terminal is connected to the backplane, and obtain the position information of the controlled terminal based on the sensing chip, and store the position the information is associated with said device information; A data transmission module, configured to send the device information of each controlled terminal connected to the backplane and the location information associated with the device information to the control terminal when receiving an interaction instruction sent by the control terminal; The information acquiring module is further configured to: when receiving the sub-display data sent by the control terminal, acquire the device information associated with the sub-display data; The data transmission module is further configured to: send the sub-display data to the controlled terminal corresponding to the device information for display. 13. The backplane-based multi-screen splicing device according to claim 12, wherein the information acquisition module is also used for: when it is detected that a controlled terminal is connected to the backplane, read the detected The device information of the controlled end; And, determine the position number of the sensing element triggered within the preset time interval when the controlled end is connected to the backplane, and use the determined position number as the position information of the controlled end. 14. The backplane-based multi-screen splicing device according to claim 13, wherein the information acquisition module is further used to determine the detected A wired connection port to which the controlled terminal is connected; and, based on the determined wired connection port, sending a debugging instruction to the controlled terminal to acquire device information of the controlled terminal. 15. A multi-screen splicing device based on a backplane, characterized in that the multi-screen splicing device based on a backplane comprises: An information sending module, configured to send an interaction instruction to the connected backplane when receiving an information acquisition instruction; The data processing module is configured to, when receiving the position information of the controlled terminal sent by the backplane based on the interaction instruction and the device information associated with the position information, divide the display data into the information corresponding to the device information and the device information, respectively. Multiple sub-display data whose location information matches; The information sending module is further configured to: correlate the divided sub-display data with corresponding device information and send them to the backplane, so that the backplane can distribute each sub-display data to the sub-display data. The corresponding controlled end of the associated device information is displayed. 16. The backplane-based multi-screen splicing device according to claim 15, wherein the data processing module comprises: a layout acquiring unit, configured to, when receiving the position information and the device information associated with the position information, acquire the multiple controlled terminals connected to the backplane according to the device information and the position information display layout; A data splitting unit, configured to split the display data into a plurality of sub-display data based on the display screen layout. 17. The backplane-based multi-screen splicing device according to claim 16, wherein the layout acquiring unit is further configured to: acquire the display screen size of each controlled terminal according to the received device information; and, The display screen layout of the controlled terminals connected to the backboard is determined according to the display screen size and position information of each controlled terminal. 18. The backplane-based multi-screen splicing device according to claim 17, wherein the backplane-based multi-screen splicing device further comprises: A preview display module, configured to preview and display the divided sub-display data based on the display screen layout; The information sending module is further configured to: after receiving the confirmation instruction, correlate the sub-display data with the corresponding device information and send it to the backplane.