A Type C multi-screen display system upgrade control circuit, device and method

Abstract

The present invention discloses a TypeC multi-screen display system upgrade control circuit, device and method, the circuit includes: a TypeC mother socket, a main control module, a first switching module, a second switching module, a third switching module, a first video conversion module, a second video conversion module, a first display terminal interface and a second display terminal interface; the TypeC mother socket is used to receive a first upgrade package, a second upgrade package and a third upgrade package; the first switching module sends the first upgrade package to the main control module through a first transmission channel; the first switching module transmits the second upgrade package to the first transmission channel of the third switching module through the first transmission channel of the second switching module through the second transmission channel; the first switching module transmits the third upgrade package to the second transmission channel of the third switching module through the first transmission channel of the second switching module through the second transmission channel. The present invention simplifies the upgrade process of the multi-screen display system, avoids disassembly and multiple plugging and unplugging, and has high upgrade efficiency.

Description

Technical Field

[0001] The present invention relates to the field of display control technology, and in particular to a Type C multi-screen display system upgrade control circuit, device and method. Background Art

[0002] Multi-screen display technology is widely used in monitoring, command and other dispatching system fields as well as public security, fire protection, military, meteorology, railway, aviation and other monitoring system fields.

[0003] Currently, many electronic products with TypeC interfaces need to upgrade the software through interfaces such as USB / Uart / I2C. If the product has been assembled into a complete machine and the shell of the whole machine has only one TypeC interface, then the upgrade program can only disassemble the machine and then upgrade it; if it is a multi-screen display system, there are multiple program packages that need to be upgraded, then it is necessary to plug and unplug the USB / Uart / I2C port multiple times, and insert the USB / Uart / I2C port one by one into the display that needs to be upgraded for upgrading. This operation method will reduce the upgrade efficiency on the one hand, and waste the disassembly cost and labor time cost on the other hand. Therefore, inventing a highly efficient TypeC multi-screen display system upgrade control circuit is a problem that needs to be solved urgently by technicians in this field. Summary of the invention

[0004] The purpose of the present application is to provide a Type C multi-screen display system upgrade control circuit, device and method. In this solution, the Type C mother socket is used to receive a first upgrade package, a second upgrade package and a third upgrade package; the first switching module sends the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module; the first switching module transmits the second upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; the first switching module transmits the third upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the second transmission channel of the third switching module to complete the upgrade of the second video conversion module, thereby simplifying the upgrade process of the multi-screen display system. Multiple program packages can be upgraded to the multi-screen display system by simply plugging the data cable once, avoiding disassembly and multiple plugging and unplugging, and the upgrade efficiency is high.

[0005] In order to solve the above technical problems, the present application provides a Type C multi-screen display system upgrade control circuit, including a Type C mother socket, a main control module, a first switching module, a second switching module, a third switching module, a first video conversion module, a second video conversion module, a first display terminal interface and a second display terminal interface;

[0006] The Type C socket is electrically connected to the main control module, the first video conversion module and the first switching module respectively; the first switching module is electrically connected to the main control module and the second switching module respectively;

[0007] The second switching module is electrically connected to the third switching module, the third switching module is electrically connected to the first video conversion module and the second video conversion module respectively, the first video conversion module is electrically connected to the first display terminal interface, and the second video conversion module is electrically connected to the second display terminal interface;

[0008] The Type C female socket is used to receive the first upgrade package, the second upgrade package and the third upgrade package;

[0009] The first switching module sends the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module;

[0010] The first switching module transmits the second upgrade package through the first transmission channel of the second switching module to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module;

[0011] The first switching module transmits the third upgrade package through the first transmission channel of the second switching module and sends it to the second transmission channel of the third switching module through the second transmission channel to complete the upgrade of the second video conversion module.

[0012] Preferably, the Type C multi-screen display system upgrade control circuit further includes: a fourth switching module, a third video conversion module, a fourth video conversion module, a third display terminal interface and a fourth display terminal interface;

[0013] The second switching module is electrically connected to the fourth switching module, the fourth switching module is electrically connected to the third video conversion module and the fourth video conversion module respectively, the third video conversion module is electrically connected to the third display terminal interface, and the fourth video conversion module is electrically connected to the fourth display terminal interface;

[0014] The Type C female socket is used to receive the fourth upgrade package and the fifth upgrade package;

[0015] The first switching module transmits the fourth upgrade package through the second transmission channel of the second switching module to the first transmission channel of the fourth switching module to complete the upgrade of the third video conversion module;

[0016] The first switching module transmits the fifth upgrade package through the second transmission channel of the second switching module and sends it to the second transmission channel of the fourth switching module to complete the upgrade of the fourth video conversion module.

[0017] Preferably, the first switching module includes a first switching switch, a first resistor and a second resistor;

[0018] The first end of the first switch is electrically connected to the first end of the first resistor and the main control module respectively, and the second end of the first resistor is electrically connected to the input power supply;

[0019] The second end of the first switching switch is electrically connected to the second switching module, the third end of the first switching switch is electrically connected to the main control module, the fourth end of the first switching switch is electrically connected to the TypeC socket, the fifth end of the first switching switch is grounded, the sixth end of the first switching switch is electrically connected to the TypeC socket, the seventh end of the first switching switch is electrically connected to the main control module, the eighth end of the first switching switch is electrically connected to the second switching module, the ninth end of the first switching switch is electrically connected to the first video conversion module and the first end of the second resistor respectively, the tenth end of the first switching switch is electrically connected to the input power supply, and the second end of the second resistor is grounded.

[0020] Preferably, the second switching module includes a second switching switch and a third resistor;

[0021] The first end of the second switch is electrically connected to the first end of the third resistor and the main control module respectively, and the second end of the third resistor is electrically connected to the input power supply;

[0022] The second end of the second switch is electrically connected to the third switch module, the third end of the second switch is electrically connected to the fourth switch module, the fourth end of the second switch is electrically connected to the first switch module, the fifth end of the second switch is grounded, the sixth end of the second switch is electrically connected to the first switch module, the seventh end of the second switch is electrically connected to the third switch module, the eighth end of the second switch is electrically connected to the fourth switch module, the ninth end of the second switch is grounded, and the tenth end of the second switch is electrically connected to the input power supply.

[0023] Preferably, the third switching module includes a third switching switch and a fourth resistor;

[0024] The first end of the third switching switch is electrically connected to the first end of the fourth resistor and the main control module respectively, the second end of the fourth resistor is electrically connected to the input power supply, the second end and the third end of the third switching switch are electrically connected to the first video conversion module, the fourth end of the third switching switch is electrically connected to the second switching module, the fifth end of the third switching switch is grounded, the sixth end of the third switching switch is electrically connected to the second switching module, the seventh end and the eighth end of the third switching switch are electrically connected to the second video conversion module, the ninth end of the third switching switch is grounded, and the tenth end of the third switching switch is electrically connected to the input power supply.

[0025] Preferably, the fourth switching module includes a fourth switching switch and a fifth resistor;

[0026] The first end of the fourth switching switch is electrically connected to the first end of the fifth resistor and the main control module respectively, the second end of the fifth resistor is electrically connected to the input power supply, the second end and the third end of the fourth switching switch are electrically connected to the third video conversion module, the fourth end of the fourth switching switch is electrically connected to the second switching module, the fifth end of the fourth switching switch is grounded, the sixth end of the fourth switching switch is electrically connected to the second switching module, the seventh end and the eighth end of the fourth switching switch are electrically connected to the fourth video conversion module, the ninth end of the fourth switching switch is grounded, and the tenth end of the fourth switching switch is electrically connected to the input power supply.

[0027] In order to solve the above technical problems, the present application provides a Type C multi-screen display system upgrade control device, including the Type C multi-screen display system upgrade control circuit.

[0028] In order to solve the above technical problems, the present application provides a Type C multi-screen display system upgrade control method, which is applied to the Type C multi-screen display system upgrade control circuit, and the method includes:

[0029] Control the Type C socket to receive the first upgrade package, the second upgrade package and the third upgrade package;

[0030] Controlling the first switching module to send the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module;

[0031] Control the first switching module to transmit the second upgrade package through the first transmission channel of the second switching module to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module;

[0032] The first switching module is controlled to transmit the third upgrade package through the first transmission channel of the second switching module and to the second transmission channel of the third switching module through the second transmission channel to complete the upgrade of the second video conversion module.

[0033] Preferably, the method further comprises:

[0034] Controlling the Type C female socket to receive the fourth upgrade package and the fifth upgrade package;

[0035] Control the first switching module to transmit the fourth upgrade package through the second transmission channel of the second switching module to the first transmission channel of the fourth switching module to complete the upgrade of the third video conversion module;

[0036] The first switching module is controlled to transmit the fifth upgrade package through the second transmission channel of the second switching module and to the second transmission channel of the fourth switching module to complete the upgrade of the fourth video conversion module.

[0037] Preferably, the method further comprises:

[0038] If the burning system is to be reopened, the second video conversion module is controlled to receive an infrared remote control signal;

[0039] According to the infrared remote control signal, the second video conversion module is controlled to turn on the burning enable switch of the first switch.

[0040] A TypeC multi-screen display system upgrade control circuit, device and method of the present invention have the following beneficial effects. A TypeC multi-screen display system upgrade control circuit disclosed in the present invention includes: a TypeC mother seat, a main control module, a first switching module, a second switching module, a third switching module, a first video conversion module, a second video conversion module, a first display terminal interface and a second display terminal interface; the TypeC mother seat is used to receive a first upgrade package, a second upgrade package and a third upgrade package; the first switching module sends the first upgrade package to the main control module through a first transmission channel to complete the upgrade of the main control module; the first switching module transmits the second upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; the first switching module transmits the third upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the second transmission channel of the third switching module to complete the upgrade of the second video conversion module. Therefore, the present invention simplifies the upgrade process of the multi-screen display system, and multiple program packages can be upgraded to the multi-screen display system by only plugging in a data cable once, avoiding disassembly and multiple plugging and unplugging, and the upgrade efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0042] Figure 1 It is a structural schematic diagram of a Type C multi-screen display system upgrade control circuit of a preferred embodiment of the present invention;

[0043] Figure 2 It is a structural schematic diagram of a Type C multi-screen display system upgrade control circuit of a preferred embodiment of the present invention;

[0044] Figure 3 It is a circuit schematic diagram of a main control module of a Type C multi-screen display system upgrade control circuit in a preferred embodiment of the present invention;

[0045] Figure 4 It is a circuit schematic diagram of a first switching module of a Type C multi-screen display system upgrade control circuit in a preferred embodiment of the present invention;

[0046] Figure 5 It is a circuit schematic diagram of a second switching module of a Type C multi-screen display system upgrade control circuit in a preferred embodiment of the present invention;

[0047] Figure 6 It is a flow chart of a Type C multi-screen display system upgrade control method according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0048] The core of the present application is to provide a TypeC multi-screen display system upgrade control circuit. In this solution, the TypeC mother socket is used to receive a first upgrade package, a second upgrade package and a third upgrade package; the first switching module sends the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module; the first switching module transmits the second upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; the first switching module transmits the third upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the second transmission channel of the third switching module to complete the upgrade of the second video conversion module, thereby simplifying the upgrade process of the multi-screen display system. Multiple program packages can be upgraded to the multi-screen display system by simply plugging the data cable once, avoiding disassembly and multiple plugging and unplugging, and the upgrade efficiency is high.

[0049] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0050] See also Figure 1 , Figure 1 A structural diagram of a Type C multi-screen display system upgrade control circuit provided in the present application, including a Type C mother socket 1, a main control module 2, a first switching module 3, a second switching module 4, a third switching module 5, a first video conversion module 6, a second video conversion module 7, a first display terminal interface 8 and a second display terminal interface 9;

[0051] The Type C female socket 1 is electrically connected to the main control module 2, the first video conversion module 6 and the first switching module 3 respectively; the first switching module 3 is electrically connected to the main control module 2 and the second switching module 4 respectively;

[0052] The second switching module 4 is electrically connected to the third switching module 5, the third switching module 5 is electrically connected to the first video conversion module 6 and the second video conversion module 7 respectively, the first video conversion module 6 is electrically connected to the first display terminal interface 8, and the second video conversion module 7 is electrically connected to the second display terminal interface 9;

[0053] Type C female socket 1 is used to receive the first upgrade package, the second upgrade package and the third upgrade package;

[0054] The first switching module 3 sends the first upgrade package to the main control module 2 through the first transmission channel to complete the upgrade of the main control module 2;

[0055] The first switching module 3 transmits the second upgrade package through the first transmission channel of the second switching module 4 to the first transmission channel of the third switching module 5 to complete the upgrade of the first video conversion module 6;

[0056] The first switching module 3 transmits the third upgrade package through the first transmission channel of the second switching module 4 and to the second transmission channel of the third switching module 5 through the second transmission channel to complete the upgrade of the second video conversion module 7 .

[0057] In the prior art, many electronic products with Type C interfaces currently need to upgrade their software through interfaces such as USB / Uart / I2C. If the product has been assembled into a complete machine and the shell of the complete machine has only one Type C interface, then the upgrade program can only be upgraded by disassembling the machine; if it is a multi-screen display system with multiple program packages that need to be upgraded, it is necessary to plug and unplug the USB / Uart / I2C port multiple times and insert the USB / Uart / I2C port into the display that needs to be upgraded one by one. This operation method will reduce the upgrade efficiency on the one hand, and waste the disassembly cost and labor time cost on the other hand.

[0058] In view of the above shortcomings, the present application simplifies the upgrade process of the multi-screen display system through the cooperation of Type C socket 1, main control module 2, first switching module 3, second switching module 4, third switching module 5, first video conversion module 6, second video conversion module 7, first display terminal interface 8 and second display terminal interface 9. Multiple program packages can be upgraded to the multi-screen display system by plugging the data cable once, avoiding disassembly and multiple plugging and unplugging, avoiding the waste of disassembly cost and labor cost, and having high upgrade efficiency.

[0059] Specifically, the present application does not require disassembly of the machine. The USB / Uart / I2C and other signals of the upgrade module are inserted into the TypeC female socket 1 of the TypeC multi-screen display system upgrade control circuit through a USB cable, and the upper computer clicks on the burning. The upper computer downloads the first upgrade package, the second upgrade package and the third upgrade package to the main control module 2; after the first upgrade package is burned, the upper computer downloads the second upgrade package to the first video conversion module 6; after the second upgrade package is burned, the upper computer downloads the third upgrade package to the second video conversion module 7, thereby completing the internal software upgrade of the main control module 2, the first video conversion module 6 and the second video conversion module 7.

[0060] In summary, the present application provides a Type C multi-screen display system upgrade control circuit. In this solution, the Type C socket is used to receive a first upgrade package, a second upgrade package and a third upgrade package; the first switching module sends the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module; the first switching module transmits the second upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; the first switching module transmits the third upgrade package through the first transmission channel of the second switching module through the second transmission channel, and sends it to the second transmission channel of the third switching module to complete the upgrade of the second video conversion module, thereby simplifying the upgrade process of the multi-screen display system. Multiple program packages can be upgraded to the multi-screen display system by plugging the data cable once, avoiding disassembly and multiple plugging and unplugging, and the upgrade efficiency is high.

[0061] Based on the above embodiments:

[0062] See also Figure 2 , Figure 2 A structural schematic diagram of a Type C multi-screen display system upgrade control circuit provided in this application.

[0063] Preferably, a Type C multi-screen display system upgrade control circuit further includes: a fourth switching module 10, a third video conversion module 11, a fourth video conversion module 12, a third display terminal interface 13 and a fourth display terminal interface 14;

[0064] The second switching module 4 is electrically connected to the fourth switching module 10, the fourth switching module 10 is electrically connected to the third video conversion module 11 and the fourth video conversion module 12 respectively, the third video conversion module 11 is electrically connected to the third display terminal interface, and the fourth video conversion module 12 is electrically connected to the fourth display terminal interface;

[0065] Type C female connector 1 is used to receive the fourth upgrade package and the fifth upgrade package;

[0066] The first switching module 3 transmits the fourth upgrade package through the second transmission channel of the second switching module 4 to the first transmission channel of the fourth switching module 10 to complete the upgrade of the third video conversion module 11;

[0067] The first switching module 3 transmits the fifth upgrade package through the second transmission channel of the second switching module 4 to the second transmission channel of the fourth switching module 10 to complete the upgrade of the fourth video conversion module 12 .

[0068] Specifically, in this embodiment, the 4-screen display system can be upgraded by plugging and unplugging the wires at one time. This application does not require disassembly of the machine. The USB / Uart / I2C and other signals of the upgrade module are inserted into the TypeC female socket 1 of the TypeC multi-screen display system upgrade control circuit through the USB wire, and the upper computer clicks on the burning. The upper computer downloads the fourth upgrade package and the fifth upgrade package to the third video conversion module 11; after the fourth upgrade package is burned, the upper computer downloads the fifth upgrade package to the fourth video conversion module 12, thereby completing the internal software upgrade of the third video conversion module 11 and the fourth video conversion module 12.

[0069] Specifically, in another preferred embodiment, by plugging and unplugging the wires once, the 6-screen and 8-screen display systems can be upgraded. The number of display screens can be set as needed and is not specifically limited here.

[0070] See also Figure 3 , Figure 3 A schematic diagram of a main control module 2 of a Type C multi-screen display system upgrade control circuit provided in this application.

[0071] See also Figure 4 , Figure 4 This is a schematic diagram of a first switching module 3 of a Type C multi-screen display system upgrade control circuit provided in this application.

[0072] Preferably, the first switching module 3 includes a first switching switch SW0, a first resistor RW1 and a second resistor R71;

[0073] The first end S of the first switch SW0 is electrically connected to the first end of the first resistor RW1 and the main control module 2 respectively, and the second end of the first resistor RW1 is electrically connected to the input power supply;

[0074] The second end HSD1+ of the first switching switch SW0 is electrically connected to the second switching module 4, the third end HSD2+ of the first switching switch SW0 is electrically connected to the main control module 2, the fourth end D+ of the first switching switch SW0 is electrically connected to the TypeC socket 1, the fifth end GND of the first switching switch SW0 is grounded, the sixth end D- of the first switching switch SW0 is electrically connected to the TypeC socket 1, the seventh end HSD2- of the first switching switch SW0 is electrically connected to the main control module 2, the eighth end HSD1- of the first switching switch SW0 is electrically connected to the second switching module 4, the ninth end OE# of the first switching switch SW0 is electrically connected to the first video conversion module 6 and the first end of the second resistor R71 respectively, the tenth end V+ of the first switching switch SW0 is electrically connected to the input power supply, and the second end of the second resistor R71 is grounded.

[0075] Specifically, after the USB / Uart / I2C and other signals of the upgrade module are inserted into the TypeC socket 1 through the wire, click on the burn button on the host computer, and the first upgrade package is sent from the A7 / B7 pin and A6 / B6 pin of the TypeC socket 1 to Pin6 and Pin4 of the first switch SW0; Pin1 of the first switch SW0 is high level by default, and is sent to Pin13 and Pin12 of the main control module 2 through the first transmission channel of the first switch SW0, i.e. Pin7 and Pin3, for reception, to achieve the upgrade of the main control module 2. After the upgrade of the main control module 2 is completed, Pin1 of the first switch SW0 is changed to a low level through Pin10 of the main control module 2, and the host computer displays that the MCU burning is completed.

[0076] Specifically, in this embodiment, the main control module 2 is used to implement the communication and signal control and forwarding functions of the Type C protocol. The chip model of the main control module 2 is CH548G. In another preferred embodiment, the chip model of the main control module 2 is not specifically limited.

[0077] Specifically, in this embodiment, the first video conversion module 6, the second video conversion module 7, the third video conversion module 11, and the fourth video conversion module 12 are used to realize the conversion function of the video signal. The chip model of the first video conversion module 6, the second video conversion module 7, the third video conversion module 11, and the fourth video conversion module 12 is RTD2795T. In another preferred embodiment, the chip model of the video conversion module can be RTD2556, which is not specifically limited here.

[0078] Specifically, in this embodiment, the chip of the first switching module 3 is used to implement the switching selection function of the signal channel. The chip model of the first switching module 3 is MSUSB30. In another preferred embodiment, the chip model of the first switching module 3 is not specifically limited.

[0079] See also Figure 5 , Figure 5 This is a schematic diagram of a second switching module 4 of a Type C multi-screen display system upgrade control circuit provided in this application.

[0080] Preferably, the second switching module 4 includes a second switching switch SW1 and a third resistor RW3;

[0081] The first end S of the second switch SW1 is electrically connected to the first end of the third resistor RW3 and the main control module 2 respectively, and the second end of the third resistor RW3 is electrically connected to the input power supply;

[0082] The second end HSD1+ of the second switching switch SW1 is electrically connected to the third switching module 5, the third end HSD2+ of the second switching switch SW1 is electrically connected to the fourth switching module 10, the fourth end D+ of the second switching switch SW1 is electrically connected to the first switching module 3, the fifth end GND of the second switching switch SW1 is grounded, the sixth end D- of the second switching switch SW1 is electrically connected to the first switching module 3, the seventh end HSD2- of the second switching switch SW1 is electrically connected to the third switching module 5, the eighth end HSD1- of the second switching switch SW1 is electrically connected to the fourth switching module 10, the ninth end OE# of the second switching switch SW1 is grounded, and the tenth end V+ of the second switching switch SW1 is electrically connected to the input power supply.

[0083] Preferably, the third switching module 5 includes a third switching switch and a fourth resistor;

[0084] The first end of the third switching switch is electrically connected to the first end of the fourth resistor and the main control module 2 respectively, the second end of the fourth resistor is electrically connected to the input power supply, the second and third ends of the third switching switch are electrically connected to the first video conversion module 6, the fourth end of the third switching switch is electrically connected to the second switching module 4, the fifth end of the third switching switch is grounded, the sixth end of the third switching switch is electrically connected to the second switching module 4, the seventh and eighth ends of the third switching switch are electrically connected to the second video conversion module 7, the ninth end of the third switching switch is grounded, and the tenth end of the third switching switch is electrically connected to the input power supply.

[0085] Specifically, the second upgrade package is sent to Pin6 and Pin4 of the first switching module 3. Since Pin1 of the first switching switch SW0 has been changed to a low level, the second upgrade package is sent to the second transmission channel of the first switching switch SW0, namely Pin8 and Pin2. The second upgrade package is sent to Pin6 and Pin4 of the second switching switch SW1. Since Pin1 of the second switching switch SW1 is a high level by default, the second upgrade package is sent to the first transmission channel of the third switching switch, namely Pin6 and Pin4, via the first transmission channel of SW1, namely Pin7 and Pin3. Since Pin1 of the third switching switch is a high level by default, the second upgrade package is sent to the first transmission channel of the third switching switch, namely Pin7 and Pin3. The second upgrade package is received by Pin66 and Pin65 of the first video conversion module 6, completing the internal software upgrade of the first video conversion module 6. After the upgrade of the first video conversion module 6 is completed, Pin1 of the third switching switch is changed to a low level through Pin208 of the first video conversion module 6, and the upper computer displays that the burning of the first video conversion module 6 is completed;

[0086] Specifically, the third upgrade package is sent to Pin6 and Pin4 of the first switching module 3. Since Pin1 of the first switching switch SW0 has been changed to a low level, the third upgrade package is sent to the second transmission channel of the first switching switch SW0, namely Pin8 and Pin2. The third upgrade package is sent to Pin6 and Pin4 of the second switching switch SW1. Since Pin1 of the second switching switch SW1 is high level by default, the second upgrade package is sent to Pin6 and Pin4 of the third switching switch via the first transmission channel of SW1, namely Pin7 and Pin3. Since Pin1 of the third switching switch is changed to a low level, the third upgrade package is sent to the second transmission channel of the third switching switch, namely Pin8 and Pin2. The third upgrade package is received by Pin66 and Pin65 of the second video conversion module 7, completing the internal software upgrade of the second video conversion module 7. After the upgrade of the second video conversion module 7 is completed, Pin1 of the second switching switch SW1 is changed to a low level through Pin208 of the second video conversion module 7, and the upper computer displays that the burning of the second video conversion module 7 is completed.

[0087] Preferably, the fourth switching module 10 includes a fourth switching switch and a fifth resistor;

[0088] The first end of the fourth switching switch is electrically connected to the first end of the fifth resistor and the main control module 2 respectively, the second end of the fifth resistor is electrically connected to the input power supply, the second end and the third end of the fourth switching switch are electrically connected to the third video conversion module 11, the fourth end of the fourth switching switch is electrically connected to the second switching module 4, the fifth end of the fourth switching switch is grounded, the sixth end of the fourth switching switch is electrically connected to the second switching module 4, the seventh end and the eighth end of the fourth switching switch are electrically connected to the fourth video conversion module 12, the ninth end of the fourth switching switch is grounded, and the tenth end of the fourth switching switch is electrically connected to the input power supply.

[0089] Specifically, the fourth upgrade package is sent to Pin6 and Pin4 of the first switch SW0. Since Pin1 of the first switch SW0 has been changed to a low level, the fourth upgrade package is sent to Pin6 and Pin4 of the second switch SW1 via the second transmission channel of the first switch SW0, namely Pin8 and Pin2. Since Pin1 of the second switch SW1 has been changed to a low level, the fourth upgrade package is sent to Pin6 and Pin4 of the fourth switch via the second transmission channel of the second switch SW1, namely Pin8 and Pin2. Since Pin1 of the fourth switch is high level by default, the fourth upgrade package is sent to the first transmission channel of the fourth switch, namely Pin7 and Pin3. The fourth upgrade package is received by Pin66 and Pin65 of the third video conversion module 11, and the internal software upgrade of the third video conversion module 11 is completed. After the upgrade of the third video conversion module 11 is completed, Pin1 of the fourth switch is changed to a low level through Pin208 of the third video conversion module 11, and the upper computer displays that U3 burning is completed.

[0090] Specifically, the fifth upgrade package is sent to Pin6 and Pin4 of the first switching switch SW0. Since Pin1 of the first switching switch SW0 has been changed to a low level, the fifth upgrade package is sent to Pin6 and Pin4 of the second switching switch SW1 via the second transmission channel of the first switching switch SW0, namely Pin8 and Pin2. Since Pin1 of the second switching switch SW1 has been changed to a low level, the fifth upgrade package is sent to Pin6 and Pin4 of the fourth switching switch via the second transmission channel of the second switching switch SW1, namely Pin8 and Pin2. Since Pin1 of the fourth switching switch is changed to a low level, the fifth upgrade package is sent to the second transmission channel of the fourth switching switch, namely Pin8 and Pin2. The fifth upgrade package is received by Pin66 and Pin65 of the fourth video conversion module 12, and the internal software upgrade of the fourth video conversion module 12 is completed. After the upgrade of the fourth video conversion module 12 is completed, Pin208 of the fourth video conversion module 12 changes Pin9 of the first switch SW0 to a low level, the entire burning system is shut down, and the host computer displays that the burning of the fourth video conversion module 12 is completed, thereby completing the upgrade of the four-screen display system.

[0091] Specifically, in this embodiment, the second switching module 4, the second switching module 4 and the fourth switching module 10 are used to implement the switching selection function of the signal channel. The chip model of the second switching module 4, the second switching module 4 and the fourth switching module 10 is MSUSB30. In another preferred embodiment, the chip model of the switching module is not specifically limited.

[0092] The present application provides a Type C multi-screen display system upgrade control device, including a Type C multi-screen display system upgrade control circuit.

[0093] For an introduction to a Type C multi-screen display system upgrade control circuit provided in this application, please refer to the above embodiment, and this application will not go into details here.

[0094] See also Figure 6 , Figure 6 A flowchart of a Type C multi-screen display system upgrade control method provided in this application.

[0095] The present application provides a Type C multi-screen display system upgrade control method, which is applied to a Type C multi-screen display system upgrade control circuit, and the method includes:

[0096] S1, control Type C socket 1 to receive the first upgrade package, the second upgrade package and the third upgrade package;

[0097] S2, controlling the first switching module 3 to send the first upgrade package to the main control module 2 through the first transmission channel to complete the upgrade of the main control module 2;

[0098] S3, controlling the first switching module 3 to transmit the second upgrade package through the first transmission channel of the second switching module 4 to the first transmission channel of the third switching module 5 to complete the upgrade of the first video conversion module 6;

[0099] S4, controlling the first switching module 3 to transmit the third upgrade package through the first transmission channel of the second switching module 4 and to the second transmission channel of the third switching module 5 through the second transmission channel to complete the upgrade of the second video conversion module 7.

[0100] Preferably, the method further comprises:

[0101] Control Type C female socket 1 to receive the fourth upgrade package and the fifth upgrade package;

[0102] Control the first switching module 3 to transmit the fourth upgrade package through the second transmission channel of the second switching module 4 to the first transmission channel of the fourth switching module 10 to complete the upgrade of the third video conversion module 11;

[0103] The first switching module 3 is controlled to transmit the fifth upgrade package through the second transmission channel of the second switching module 4 and to the second transmission channel of the fourth switching module 10 to complete the upgrade of the fourth video conversion module 12 .

[0104] Preferably, the method further comprises:

[0105] If the burning system is to be reopened, the second video conversion module 7 is controlled to receive the infrared remote control signal;

[0106] According to the infrared remote control signal, the second video conversion module 7 is controlled to turn on the burning enable switch of the first switch.

[0107] Specifically, in the present application, after the last display screen is upgraded, the video conversion module that was upgraded last is controlled to turn off the burning enable switch of the first switch to shut down the burning system; if the burning system needs to be reopened, the video conversion module that was upgraded last is controlled to turn on the burning enable switch of the first switch to reopen the burning system.

[0108] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0109] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A Type C multi-screen display system upgrade control circuit, characterized in that: It includes a Type C female socket, a main control module, a first switching module, a second switching module, a third switching module, a first video conversion module, a second video conversion module, a first display terminal interface and a second display terminal interface; The Type C socket is electrically connected to the main control module, the first video conversion module and the first switching module respectively; the first switching module is electrically connected to the main control module and the second switching module respectively; The second switching module is electrically connected to the third switching module, the third switching module is electrically connected to the first video conversion module and the second video conversion module respectively, the first video conversion module is electrically connected to the first display terminal interface, and the second video conversion module is electrically connected to the second display terminal interface; The Type C female socket is used to receive the first upgrade package, the second upgrade package and the third upgrade package; The first switching module sends the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module; The first switching module transmits the second upgrade package through the first transmission channel of the second switching module to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; The first switching module transmits the third upgrade package through the first transmission channel of the second switching module and sends it to the second transmission channel of the third switching module through the second transmission channel to complete the upgrade of the second video conversion module.

2. According to claim 1, a Type C multi-screen display system upgrade control circuit is characterized in that: The Type C multi-screen display system upgrade control circuit further includes: a fourth switching module, a third video conversion module, a fourth video conversion module, a third display terminal interface and a fourth display terminal interface; The second switching module is electrically connected to the fourth switching module, the fourth switching module is electrically connected to the third video conversion module and the fourth video conversion module respectively, the third video conversion module is electrically connected to the third display terminal interface, and the fourth video conversion module is electrically connected to the fourth display terminal interface; The Type C female socket is used to receive the fourth upgrade package and the fifth upgrade package; The first switching module transmits the fourth upgrade package through the second transmission channel of the second switching module to the first transmission channel of the fourth switching module to complete the upgrade of the third video conversion module; The first switching module transmits the fifth upgrade package through the second transmission channel of the second switching module and sends it to the second transmission channel of the fourth switching module to complete the upgrade of the fourth video conversion module.

3. A Type C multi-screen display system upgrade control circuit according to claim 2, characterized in that: The first switching module includes a first switching switch, a first resistor and a second resistor; The first end of the first switch is electrically connected to the first end of the first resistor and the main control module respectively, and the second end of the first resistor is electrically connected to the input power supply; The second end of the first switching switch is electrically connected to the second switching module, the third end of the first switching switch is electrically connected to the main control module, the fourth end of the first switching switch is electrically connected to the TypeC socket, the fifth end of the first switching switch is grounded, the sixth end of the first switching switch is electrically connected to the TypeC socket, the seventh end of the first switching switch is electrically connected to the main control module, the eighth end of the first switching switch is electrically connected to the second switching module, the ninth end of the first switching switch is electrically connected to the first video conversion module and the first end of the second resistor respectively, the tenth end of the first switching switch is electrically connected to the input power supply, and the second end of the second resistor is grounded.

4. The Type C multi-screen display system upgrade control circuit according to claim 3, characterized in that: The second switching module includes a second switching switch and a third resistor; The first end of the second switch is electrically connected to the first end of the third resistor and the main control module respectively, and the second end of the third resistor is electrically connected to the input power supply; The second end of the second switch is electrically connected to the third switch module, the third end of the second switch is electrically connected to the fourth switch module, the fourth end of the second switch is electrically connected to the first switch module, the fifth end of the second switch is grounded, the sixth end of the second switch is electrically connected to the first switch module, the seventh end of the second switch is electrically connected to the third switch module, the eighth end of the second switch is electrically connected to the fourth switch module, the ninth end of the second switch is grounded, and the tenth end of the second switch is electrically connected to the input power supply.

5. The Type C multi-screen display system upgrade control circuit according to claim 3, characterized in that: The third switching module includes a third switching switch and a fourth resistor; The first end of the third switching switch is electrically connected to the first end of the fourth resistor and the main control module respectively, the second end of the fourth resistor is electrically connected to the input power supply, the second end and the third end of the third switching switch are electrically connected to the first video conversion module, the fourth end of the third switching switch is electrically connected to the second switching module, the fifth end of the third switching switch is grounded, the sixth end of the third switching switch is electrically connected to the second switching module, the seventh end and the eighth end of the third switching switch are electrically connected to the second video conversion module, the ninth end of the third switching switch is grounded, and the tenth end of the third switching switch is electrically connected to the input power supply.

6. The Type C multi-screen display system upgrade control circuit according to claim 3, characterized in that: The fourth switching module includes a fourth switching switch and a fifth resistor; The first end of the fourth switching switch is electrically connected to the first end of the fifth resistor and the main control module respectively, the second end of the fifth resistor is electrically connected to the input power supply, the second end and the third end of the fourth switching switch are electrically connected to the third video conversion module, the fourth end of the fourth switching switch is electrically connected to the second switching module, the fifth end of the fourth switching switch is grounded, the sixth end of the fourth switching switch is electrically connected to the second switching module, the seventh end and the eighth end of the fourth switching switch are electrically connected to the fourth video conversion module, the ninth end of the fourth switching switch is grounded, and the tenth end of the fourth switching switch is electrically connected to the input power supply.

7. A Type C multi-screen display system upgrade control device, characterized in that: A Type C multi-screen display system upgrade control circuit comprising any one of claims 1 to 6.

8. A Type C multi-screen display system upgrade control method, characterized in that: A Type C multi-screen display system upgrade control circuit applied to any one of claims 3 to 6, the method comprising: Control the Type C socket to receive the first upgrade package, the second upgrade package and the third upgrade package; Controlling the first switching module to send the first upgrade package to the main control module through the first transmission channel to complete the upgrade of the main control module; Control the first switching module to transmit the second upgrade package through the first transmission channel of the second switching module to the first transmission channel of the third switching module to complete the upgrade of the first video conversion module; The first switching module is controlled to transmit the third upgrade package through the first transmission channel of the second switching module and to the second transmission channel of the third switching module through the second transmission channel to complete the upgrade of the second video conversion module.

9. A Type C multi-screen display system upgrade control method according to claim 8, characterized in that: The method further comprises: Controlling the Type C female socket to receive the fourth upgrade package and the fifth upgrade package; Control the first switching module to transmit the fourth upgrade package through the second transmission channel of the second switching module to the first transmission channel of the fourth switching module to complete the upgrade of the third video conversion module; The first switching module is controlled to transmit the fifth upgrade package through the second transmission channel of the second switching module and to the second transmission channel of the fourth switching module to complete the upgrade of the fourth video conversion module.

10. A Type C multi-screen display system upgrade control method according to claim 8, characterized in that: The method further comprises: If the burning system is to be reopened, the second video conversion module is controlled to receive an infrared remote control signal; According to the infrared remote control signal, the second video conversion module is controlled to turn on the burning enable switch of the first switch.

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