Circuit for signal enhanced transmission and switcher

Abstract

The utility model discloses a circuit and a switcher used for signal enhanced transmission, the circuit comprises a signal enhancement circuit and a control circuit, the control circuit analyzes a received state switching instruction sent by a state switching circuit to obtain state control information, and the state control information is transmitted to the signal enhancement circuit. The state control information comprises a signal processing requirement; according to a signal processing requirement, a signal enhancement circuit executes a matched signal enhancement transmission operation on an input signal of a signal input circuit, and outputs the signal on which the signal enhancement transmission operation is executed to a signal output circuit. According to the utility model, the functions of signal enhancement, long-distance transmission and signal switching can be realized, the switching accuracy and the transmission stability of signals to be transmitted are improved, and then the working stability of products for signal transmission is improved and the working effect is optimized; therefore, the user experience of using the switcher by a user is improved, and the use requirement of the user for long-distance signal transmission is met.

Description

Technical Field

[0001] The utility model relates to the technical field of signal transmission, and in particular to a circuit and a switch for signal enhanced transmission. Background Art

[0002] At present, with the continuous development of science and technology, the application of electronic equipment is becoming more and more extensive. In the application of electronic equipment, there are signal transmission requirements with different transmission distances. However, when the total line length of the input and output exceeds a certain line length threshold, the product will become unstable, such as screen flickering, poor picture clarity, etc., thereby affecting the signal transmission effect. It can be seen that it is particularly important to provide a new circuit to achieve long-distance signal transmission by performing signal enhancement transmission, thereby overcoming the problems of short transmission distance and poor output picture clarity of the existing switcher. Utility Model Content

[0003] The utility model provides a circuit and a switch for signal enhancement transmission, which can realize signal enhancement transmission, thereby overcoming the problems of short transmission distance and poor output picture clarity of the existing switch.

[0004] In order to solve the above technical problems, the utility model discloses a circuit for signal enhancement transmission in the first aspect, the circuit comprising: a signal enhancement circuit and a control circuit, wherein:

[0005] The first end of the control circuit is used to electrically connect to the state switching circuit, the first input end of the signal strengthening circuit is electrically connected to the control circuit, the second input end of the signal strengthening circuit is used to electrically connect to the signal input circuit, and the first output end of the signal strengthening circuit is used to electrically connect to the signal output circuit;

[0006] The control circuit is used to analyze the state conversion instruction sent by the state switching circuit, obtain state control information of the state conversion instruction, and transmit the state control information to the signal strengthening circuit, wherein the state control information includes signal processing requirements;

[0007] The signal enhancement circuit is used to perform a matching signal enhancement transmission operation on the input signal of the signal input circuit according to the signal processing requirement, and output the signal subjected to the signal enhancement transmission operation to the signal output circuit.

[0008] As an optional implementation, in the first aspect of the utility model, the signal enhancement circuit at least includes a first signal processing circuit and / or a second signal processing circuit;

[0009] The signal input circuit at least includes a first signal input circuit corresponding to the first signal processing circuit and / or a second signal input circuit corresponding to the second signal processing circuit;

[0010] The signal output circuit at least includes a first signal output circuit corresponding to the first signal processing circuit and / or a second signal output circuit corresponding to the second signal processing circuit;

[0011] in:

[0012] The control end of the first signal processing circuit is electrically connected to the control circuit, the first input end and the second input end of the first signal processing circuit are used to be electrically connected to the first signal processing circuit, and the first output end of the first signal processing circuit is used to be electrically connected to the first signal output circuit;

[0013] The control end of the second signal processing circuit is electrically connected to the control circuit, the first input end, the second input end, the third input end and the fourth input end of the second signal processing circuit are used to be electrically connected to the second signal input circuit, and the first output end, the second output end, the third output end and the fourth output end of the second signal processing circuit are used to be electrically connected to the second signal output circuit;

[0014] The second signal processing circuit is specifically used to perform a matching signal enhancement transmission operation on the first type signal and / or the second type signal input by the second signal input circuit, and output the first type signal and / or the second type signal that has performed the corresponding signal enhancement transmission operation to the second signal output circuit;

[0015] The first signal processing circuit is specifically used to perform a matching signal enhancement transmission operation on the third type signal input by the first signal input circuit, and output the third type signal on which the corresponding signal enhancement transmission operation is performed to the first signal output circuit.

[0016] As an optional implementation, in the first aspect of the utility model, the first signal processing circuit includes a first enhanced signal adjustment circuit, wherein:

[0017] The control end of the first enhanced signal adjustment circuit is electrically connected to the control circuit, the first input end and the second input end of the first enhanced signal adjustment circuit are used to electrically connect to the first signal input circuit, and the first output end of the first enhanced signal adjustment circuit is used to electrically connect to the first signal output circuit.

[0018] As an optional implementation, in the first aspect of the utility model, the second signal input circuit includes at least two second signal input sub-circuits, each of the second signal input sub-circuits includes at least a first output terminal for outputting a first type of signal and a second output terminal for outputting a second type of signal, and the second signal output circuit includes at least three second signal output sub-circuits for inputting a second type of signal and at least one third signal output sub-circuit for inputting a second type of signal, wherein:

[0019] The control end of the second signal processing circuit is electrically connected to the control circuit, the first input end and the second input end of the second signal processing circuit are electrically connected to the first input end of the second signal input sub-circuit respectively matching, the third input end and the fourth input end of the second signal processing circuit are electrically connected to the second output end of the second signal input sub-circuit respectively matching, the first output end, the second output end and the third output end of the second signal processing circuit are electrically connected to the second signal output sub-circuit respectively matching, and the fourth output end of the second signal processing circuit is electrically connected to the third signal output sub-circuit.

[0020] As an optional implementation, in the first aspect of the utility model, the second signal processing circuit includes a second enhanced signal adjustment circuit and a signal branch conversion circuit, and the second enhanced signal adjustment circuit includes at least a first input terminal and a second input terminal for inputting a first type of signal, and a third input terminal and a fourth input terminal for inputting a second type of signal, wherein:

[0021] The control end of the second enhanced signal adjustment circuit is electrically connected to the control circuit, the first input end and the second input end of the second enhanced signal adjustment circuit are electrically connected to the first output end of the second signal input sub-circuit respectively matching, the third input end and the fourth input end of the second enhanced signal adjustment circuit are electrically connected to the second output end of the second signal input sub-circuit respectively matching, the first output end of the second enhanced signal adjustment circuit is electrically connected to the first input end of the signal branch conversion circuit, the first output end, the second output end and the third output end of the signal branch conversion circuit are electrically connected to the second signal output sub-circuit respectively matching, and the fourth output end of the signal branch conversion circuit is electrically connected to the third signal output sub-circuit.

[0022] As an optional implementation, in the first aspect of the utility model, the second signal processing circuit further includes a first port signal switching circuit corresponding to each of the second signal input sub-circuits, and a second port signal switching circuit corresponding to the third signal output sub-circuit, wherein:

[0023] The input end of each first-port signal switching circuit is electrically connected to the second output end of the second signal input subcircuit matched therewith, and the output end of each first-port signal switching circuit is electrically connected to the third input end and the fourth input end of the second enhanced signal adjustment circuit matched therewith respectively;

[0024] The input end of the second-port signal switching circuit is electrically connected to the fourth output end of the signal branch conversion circuit, and the output end of the second-port signal switching circuit is electrically connected to the third signal output sub-circuit.

[0025] As an optional implementation, in the first aspect of the utility model, the first signal input circuit includes at least two first signal input sub-circuits, and the first signal output circuit includes at least one first signal output sub-circuit, wherein:

[0026] The first input terminal and the second input terminal of the first signal processing circuit are electrically connected to the output terminals of the first signal input subcircuit respectively matched with each other, and the first output terminal of the first signal processing circuit is electrically connected to the input terminal of the first signal output subcircuit.

[0027] As an optional implementation, in the first aspect of the utility model, the circuit further includes an anti-crosstalk circuit, wherein:

[0028] The first end of the anti-crosstalk circuit is electrically connected to the third input end of the signal enhancement circuit, and the second end of the anti-crosstalk circuit is electrically connected to the second output end of the signal enhancement circuit;

[0029] And, the circuit further comprises an equalizer configuration circuit, wherein:

[0030] The first end of the equalizer configuration circuit is electrically connected to the first configuration end of the signal enhancement circuit;

[0031] And, the circuit also includes an electrostatic surge protection circuit, wherein:

[0032] The first end of the electrostatic surge protection circuit is electrically connected to the second input end of the signal enhancement circuit, and the second end of the electrostatic surge protection circuit is used to electrically connect to the signal input circuit;

[0033] And, the circuit also includes a short circuit surge protection circuit, wherein:

[0034] The first end of the short-circuit surge protection circuit is electrically connected to the first output end of the signal enhancement circuit, and the second end of the short-circuit surge protection circuit is used to electrically connect to the signal output circuit.

[0035] As an optional embodiment, in the first aspect of the utility model, the first enhanced signal adjustment circuit includes a PS8461E-A3 chip, the second enhanced signal adjustment circuit includes an RS2228 chip and an AW3410S chip, the signal branch conversion circuit includes a GL3510 chip, the first port signal switching circuit and the second port signal switching circuit both include a VL162 chip, the first signal input sub-circuit corresponds to a DP input circuit, the first signal output sub-circuit corresponds to a DP output circuit, the second signal input sub-circuit corresponds to a USB-C input circuit, the second signal output sub-circuit corresponds to a USB3.0 output circuit, and the third signal output sub-circuit corresponds to a USB-C output circuit.

[0036] The second aspect of the utility model discloses a switch, the switch comprises an input port for receiving a video signal, and processes the video signal through a circuit for signal enhancement transmission as disclosed in any one of the first aspects to obtain a target video signal, and comprises an output port for outputting the target video signal;

[0037] Wherein, the input port and / or the output port is a DP port and / or a Type-C port.

[0038] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0039] The utility model provides a circuit and a switch for signal enhancement transmission, the circuit for signal enhancement transmission comprises: a signal enhancement circuit and a control circuit, wherein: a first end of the control circuit is used to electrically connect to a state switching circuit, a first input end of the signal enhancement circuit is electrically connected to the control circuit, a second input end of the signal enhancement circuit is used to electrically connect to a signal input circuit, and a first output end of the signal enhancement circuit is used to electrically connect to a signal output circuit; the control circuit is used to analyze a state conversion instruction sent by a received state switching circuit, obtain state control information of the state conversion instruction, and transmit the state control information to the signal enhancement circuit, the state control information including a signal processing requirement; the signal enhancement circuit is used to perform a matching signal enhancement transmission operation on an input signal of a signal input circuit according to the signal processing requirement, and output the signal for performing the signal enhancement transmission operation to the signal output circuit. It can be seen that the utility model can perform matching signal enhancement and transmission operations on the input signal according to the signal processing requirements, and can realize signal enhancement, long-distance transmission and signal switching functions, which is beneficial to improving the signal processing and signal enhancement accuracy of the signal to be transmitted, and is beneficial to improving the switching accuracy and transmission stability of the signal to be transmitted, and further helps to improve the working stability of the product for transmitting signals and optimize the working effect, so as to improve the user experience of users using the switch and meet the user's use needs for long-distance signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, 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.

[0041] Figure 1 It is a structural schematic diagram of a circuit for signal enhancement transmission disclosed in an embodiment of the utility model;

[0042] Figure 2 It is a structural schematic diagram of a control chip disclosed in an embodiment of the utility model;

[0043] Figure 3 It is a structural schematic diagram of a product upgrading circuit disclosed in an embodiment of the utility model;

[0044] Figure 4 It is a structural schematic diagram of a driving capability enhancement circuit disclosed in an embodiment of the utility model;

[0045] Figure 5 It is a structural schematic diagram of another circuit for signal enhancement transmission disclosed in an embodiment of the utility model;

[0046] Figure 6 It is a structural schematic diagram of another circuit for signal enhancement transmission disclosed in an embodiment of the utility model;

[0047] Figure 7 It is a structural schematic diagram of a first enhanced processing chip disclosed in an embodiment of the utility model;

[0048] Figure 8 It is a structural schematic diagram of a radiation-proof electrostatic circuit disclosed in an embodiment of the utility model;

[0049] Fig. 9 It is a structural schematic diagram of a second signal output subcircuit disclosed in an embodiment of the utility model;

[0050] Fig.10 It is a structural schematic diagram of a third signal output subcircuit disclosed in an embodiment of the utility model;

[0051] Fig.11 It is a structural schematic diagram of a second signal input subcircuit disclosed in an embodiment of the utility model;

[0052] Fig.12 It is a structural schematic diagram of a second enhanced processing chip disclosed in an embodiment of the utility model;

[0053] Fig.13 It is a schematic diagram of the structure of a third enhanced processing chip disclosed in an embodiment of the utility model;

[0054] Fig.14 It is a structural schematic diagram of a branch conversion chip disclosed in an embodiment of the utility model;

[0055] Fig.15 It is a structural schematic diagram of a first port signal switching chip disclosed in an embodiment of the utility model;

[0056] Fig.16 It is a structural schematic diagram of a second port signal switching chip disclosed in an embodiment of the utility model;

[0057] Fig.17 It is a structural schematic diagram of a first signal input subcircuit disclosed in an embodiment of the utility model;

[0058] Fig.18 It is a structural schematic diagram of a first signal output subcircuit disclosed in an embodiment of the utility model;

[0059] Fig.19 It is a structural schematic diagram of another circuit for long-distance signal transmission disclosed in an embodiment of the utility model;

[0060] Fig. 20 It is a structural schematic diagram of an anti-crosstalk circuit disclosed in an embodiment of the utility model;

[0061] Fig.21 It is a structural schematic diagram of an equalizer configuration circuit disclosed in an embodiment of the utility model;

[0062] Fig. 22 It is a structural schematic diagram of an electrostatic surge protection circuit disclosed in an embodiment of the utility model;

[0063] Fig.23 It is a structural schematic diagram of a short-circuit surge protection circuit disclosed in an embodiment of the utility model;

[0064] Fig.24 It is a structural diagram of a circuit for signal enhancement transmission disclosed in an embodiment of the utility model;

[0065] Fig.25 It is a structural schematic diagram of a switch disclosed in an embodiment of the utility model. DETAILED DESCRIPTION

[0066] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] It should be noted that, unless otherwise clearly specified and limited, the term "electrical connection" in the specification and claims of the utility model and the above-mentioned drawings should be understood in a broad sense. For example, it can be a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can be a mechanical electrical connection, an electrical electrical connection, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. In addition, the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. The terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0068] Embodiment 1

[0069] See also Figure 1 , Figure 1 This is a schematic diagram of a circuit for signal enhancement transmission disclosed in an embodiment of the utility model. Figure 1 The circuit for signal enhancement transmission described above can be applied to a switch, or to other devices or apparatuses that require signal enhancement transmission, and the present utility model embodiment does not limit this. Figure 1 As shown, the circuit includes: a signal enhancement circuit 104, a control circuit 102, wherein:

[0070] The first end of the control circuit 102 is used to electrically connect to the state switching circuit 101, the first input end of the signal strengthening circuit 104 is electrically connected to the control circuit 102, the second input end of the signal strengthening circuit 104 is used to electrically connect to the signal input circuit 103, and the first output end of the signal strengthening circuit 104 is used to electrically connect to the signal output circuit 105;

[0071] The control circuit 102 is used to analyze the state conversion instruction sent by the state switching circuit 101, obtain state control information of the state conversion instruction, and transmit the state control information to the signal strengthening circuit 104, where the state control information includes signal processing requirements;

[0072] The signal enhancement circuit 104 is used to perform a matching signal enhancement transmission operation on the input signal of the signal input circuit 103 according to signal processing requirements, and output the signal subjected to the signal enhancement transmission operation to the signal output circuit 105 .

[0073] Optionally, the signal enhancement circuit 104 uses a USB-C interface for the upstream and downstream USB input and output interfaces, which is small in size, non-directional, and easy to plug and unplug, and can meet the needs of new ultra-thin notebooks on the market. The embodiments of the present utility model are not limited thereto.

[0074] Optionally, the first signal processing circuit 1041 in the signal enhancement circuit 104 uses a high-performance video processing chip with a Redriver (such as PS8461E-A3). The chip has an internal equalizer gain control that can compensate for insertion loss through channel connection, and the input EQ level can be adjusted through an external MCU, so that the total length of the front and rear input and output lines can reach about 10 meters when the maximum resolution is 8K output. When the total length exceeds 10 meters, the product will not have abnormalities such as screen flickering, no picture output, poor picture clarity, etc., which is not limited to the embodiments of the utility model.

[0075] Optionally, the state switching circuit 101 can be understood as being used to control the processing switching state of the product, specifically, controlling the product to switch the video signal processing mode or the USB signal switching processing mode, etc.; further, the state switching circuit 101 may include but is not limited to a desktop controller, a button, a Mini USB, etc., and is not limited to this embodiment of the utility model.

[0076] Optionally, the first input terminal of the control circuit 102 may correspond to an IO port of the MCU, which is not limited in the embodiment of the present utility model.

[0077] Optionally, the control circuit 102 is illustrated as follows: it is specifically used to control the video switching processing module (i.e., the first signal processing circuit 1041 in the signal enhancement circuit 104) and the USB switching processing module (i.e., the second signal processing circuit 1042 in the signal enhancement circuit 104), and the signal lines of the desktop controller and the button (i.e., the state switching circuit 101) are connected to the IO port of the MCU, which is used to send a signal to the MCU to control the product switching state (i.e., control to the DP video signal processing state or the USB signal processing state), which is not limited in the embodiments of the utility model.

[0078] Optionally, the control circuit 102 can be composed of a chip CX32L003F8P6T with an ARM-M3 CPU core and a storage capacity of 64KB and peripheral circuits. The MCU is used to control the video and USB switching processing module. The signal lines of the desktop controller and buttons are connected to the IO port of the MCU to send signals to the MCU. The MCU is used to process the video signal switching control and signal enhancement and the USB signal switching control status, which is not limited to the embodiments of the present utility model.

[0079] Optionally, the control circuit 102 includes an MCU control chip; Optionally, the chip model of the MCU control chip may be an MS8005 control chip, specifically a CX32L003F8P6T chip, or other chips capable of achieving the same control function, which is not limited in the embodiment of the utility model; further, the control chip may refer to Figure 2 As shown, Figure 2 The present invention is a schematic diagram of the structure of a control chip disclosed in an embodiment of the present invention.

[0080] Optionally, a circuit for signal enhancement transmission may also include a product upgrade circuit, which is used to perform a product upgrade operation on the control circuit 102; further, the electrical connection relationship between the product upgrade circuit and each electronic component in the product upgrade circuit can be referred to in Figure 3 As shown, Figure 3 The present invention is a schematic diagram of a product upgrade circuit disclosed in an embodiment of the present utility model.

[0081] Optionally, a circuit for signal enhancement transmission may further include a driving capability enhancement circuit, which is used to increase the driving capability of the control circuit 102; further, the driving capability enhancement circuit and the electrical connection relationship of each electronic component in the driving capability enhancement circuit can be referred to. Figure 4 As shown, Figure 4 The present invention is a schematic diagram of a driving capability enhancement circuit disclosed in an embodiment of the present utility model.

[0082] It can be seen that the implementation Figure 1 The described circuit for signal enhancement transmission can perform matching signal enhancement transmission operations on the input signal according to the signal processing requirements, and can realize signal enhancement, long-distance transmission and signal switching functions, which is beneficial to improving the signal processing and signal enhancement accuracy of the signal to be transmitted, and is beneficial to improving the switching accuracy and transmission stability of the signal to be transmitted, and further helps to improve the working stability of the product for transmitting signals and optimize the working effect, so as to improve the user experience of users using the switch and meet the user's use requirements for long-distance signal transmission.

[0083] In an alternative embodiment, Figure 5is a schematic diagram of another circuit structure for signal enhancement transmission disclosed in an embodiment of the utility model, such as Figure 5 As shown, the signal enhancement circuit 104 at least includes a first signal processing circuit 1041 and / or a second signal processing circuit 1042;

[0084] The signal input circuit 103 at least includes a first signal input circuit 1031 corresponding to the first signal processing circuit 1041 and / or a second signal input circuit 1032 corresponding to the second signal processing circuit 1042;

[0085] The signal output circuit 105 at least includes a first signal output circuit 1051 corresponding to the first signal processing circuit 1041 and / or a second signal output circuit 1052 corresponding to the second signal processing circuit 1042;

[0086] in:

[0087] The control end of the first signal processing circuit 1041 is electrically connected to the control circuit 102, the first input end and the second input end of the first signal processing circuit 1041 are used to electrically connect to the first signal processing circuit 1041, and the first output end of the first signal processing circuit 1041 is used to electrically connect to the first signal output circuit 1051;

[0088] The control end of the second signal processing circuit 1042 is electrically connected to the control circuit 102, the first input end, the second input end, the third input end and the fourth input end of the second signal processing circuit 1042 are used to electrically connect to the second signal input circuit 1032, and the first output end, the second output end, the third output end and the fourth output end of the second signal processing circuit 1042 are used to electrically connect to the second signal output circuit 1052;

[0089] The second signal processing circuit 1042 is specifically used to perform a matching signal enhancement transmission operation on the first type signal and / or the second type signal input by the second signal input circuit 1032, and output the first type signal and / or the second type signal that has undergone the corresponding signal enhancement transmission operation to the second signal output circuit 1052;

[0090] The first signal processing circuit 1041 is specifically configured to perform a matching signal enhancement transmission operation on the third type signal input by the first signal input circuit 1031 , and output the third type signal on which the corresponding signal enhancement transmission operation is performed to the first signal output circuit 1051 .

[0091] Optionally, the first signal input circuit 1031 may correspond to a DP signal input circuit; further, the DP input port corresponding to the first signal input circuit 1031 may be used to externally connect a signal source with a DP interface, and the first signal input circuit 1031 may include an ESD protection circuit, which is used to prevent the product from being damaged by lightning surges and ESD static electricity, but this is not limited to the embodiments of the present utility model.

[0092] Optionally, the first signal processing circuit 1041 is used to process the DP video signal from the first signal input circuit 1031 (such as DP IN1, DP IN2, etc.), and filter out the target video signal from all video signals and output it to the first signal output circuit 1051, which is not limited in the embodiment of the utility model.

[0093] Optionally, the first signal output circuit 1051 may correspond to the DP signal output circuit; further, the first signal output circuit 1051 may include an ESD protection circuit and a self-recovering fuse to prevent the product from being damaged by lightning surges, ESD static electricity, short circuits, etc., which is not limited in the embodiments of the utility model.

[0094] Optionally, the second signal input circuit 1032 may correspond to a USB-C signal input circuit; further, the second signal input circuit 1032 may be used to connect to a computer with an external TYPE-C interface, which is not limited in the embodiment of the utility model.

[0095] Optionally, the signal output by the first signal input circuit 1031 may be a TMDS signal; the signal output by the second signal input circuit 1032 may be a USB2.0 signal and a USB3.0 signal. Furthermore, the USB2.0 signal and the USB3.0 signal may have two groups of front and back inputs respectively, which is not limited in the embodiment of the utility model.

[0096] Optionally, the second signal output circuit 1052 may correspond to a USB 3.0-A signal output circuit and / or a USB-C signal output circuit, which is not limited in the embodiment of the present utility model.

[0097] Optionally, the first type signal may be a USB2.0 signal, the second type signal may be a USB3.0 signal, and the third type signal may be a DP video signal (ie, a TMDS video signal), which is not limited in the embodiment of the present utility model.

[0098] Optionally, the transmission signal at the input end of the first signal processing circuit 1041 can correspond to a DP video signal (ie, a TMDS video signal), and the transmission signal at the output end of the first signal processing circuit 1041 can correspond to a DP video signal (ie, a TMDS video signal), which is not limited in the embodiment of the utility model.

[0099] Optionally, the transmission signal at the input end of the second signal processing circuit 1042 may correspond to a USB3.0 type signal or a USB2.0 type signal, and the transmission signal at the output end of the second signal processing circuit 1042 may correspond to a USB3.0 type signal, which is not limited in the embodiment of the utility model.

[0100] It can be seen that the embodiments of the utility model can respectively perform signal enhancement transmission operations on corresponding types of signals through the first signal processing circuit 1041 or the second signal processing circuit 1042, and output the processed signals to the corresponding signal output circuit 105, and can provide corresponding signal processing circuits for different types of signals, which is beneficial to improving the pertinence, accuracy and reliability of the signal enhancement transmission of the signal to be transmitted, thereby improving the signal enhancement transmission stability and enhanced transmission effect of the signal to be transmitted.

[0101] In another optional embodiment, Figure 6 As shown, Figure 6 1 is a schematic diagram of a structure of another circuit for signal enhancement transmission disclosed in an embodiment of the utility model. The first signal processing circuit 1041 includes a first enhanced signal adjustment circuit, wherein:

[0102] The control end of the first enhanced signal adjustment circuit is electrically connected to the control circuit 102 , the first input end and the second input end of the first enhanced signal adjustment circuit are used to electrically connect to the first signal input circuit 1031 , and the first output end of the first enhanced signal adjustment circuit is used to electrically connect to the first signal output circuit 1051 .

[0103] Optionally, the first enhanced signal adjustment circuit is specifically used to process the DP video signal from the first signal input circuit 1031, and selects all the DP video signals to be sent to the first signal output circuit 1051 to realize long-distance transmission of the DP video signal, which is not limited in the embodiment of the utility model.

[0104] Optionally, the first enhanced signal adjustment circuit may include a first enhanced processing chip; further, the first enhanced processing chip may specifically be a PS8461E-A3 chip, or may be other chips capable of achieving the same control function, which is not limited in the embodiment of the present utility model; further, the first enhanced processing chip may refer to Figure 7 As shown, Figure 7 It is a structural schematic diagram of a first enhanced processing chip disclosed in an embodiment of the utility model.

[0105] It can be seen that the embodiment of the utility model can perform a signal enhancement transmission operation on the third type of signal through the first enhanced signal adjustment circuit, and output the processed signal to the corresponding signal output circuit 105, and can provide a corresponding signal processing circuit for the third type of signal, which is beneficial to improving the signal adjustment accuracy, reliability and pertinence of the third type of signal, and further beneficial to achieving the stability and accuracy of the long-distance transmission of the third type of signal, thereby facilitating improving the rationality, effectiveness and reliability of the long-distance transmission effect of the third type of signal.

[0106] In yet another optional embodiment, Figure 6 As shown, the second signal input circuit 1032 includes at least two second signal input sub-circuits, each of which includes at least a first output terminal for outputting a first type of signal and a second output terminal for outputting a second type of signal, and the second signal output circuit 1052 includes at least three second signal output sub-circuits for inputting a second type of signal and at least one third signal output sub-circuit for inputting a second type of signal, wherein:

[0107] The control end of the second signal processing circuit 1042 is electrically connected to the control circuit 102, the first input end and the second input end of the second signal processing circuit 1042 are electrically connected to the first input end of the second signal input sub-circuit respectively matching, the third input end and the fourth input end of the second signal processing circuit 1042 are electrically connected to the second output end of the second signal input sub-circuit respectively matching, the first output end, the second output end and the third output end of the second signal processing circuit 1042 are electrically connected to the second signal output sub-circuit respectively matching, and the fourth output end of the second signal processing circuit 1042 is electrically connected to the third signal output sub-circuit.

[0108] Optionally, the second signal output subcircuit for inputting the second type of signal may correspond to a USB3.0 output circuit, and the third signal output subcircuit for inputting the second type of signal may correspond to a USB-C output circuit, which is not limited in the embodiment of the utility model.

[0109] Optionally, the first output terminal for outputting the first type of signal can be understood as a port for outputting USB2.0; the second output terminal for outputting the second type of signal can be understood as a port for outputting USB3.0, which is not limited in the embodiment of the utility model.

[0110] Optionally, a circuit for signal enhancement transmission may also include an anti-radiation electrostatic circuit, which is used to perform a radiation electrostatic processing operation on the to-be-radiated electrostatic processing signal output by the second signal input circuit 1032; further, the electrical connection relationship between the anti-radiation electrostatic circuit and each electronic component in the anti-radiation electrostatic circuit can be referred to. Figure 8 As shown, Figure 8 The present invention is a schematic structural diagram of an anti-radiation electrostatic circuit disclosed in an embodiment of the present utility model.

[0111] Optionally, the electrical connection relationship between the second signal output subcircuit and the electronic components in the second signal output subcircuit can be found in Fig. 9 As shown, Fig. 9 This is a schematic diagram of the structure of a second signal output subcircuit disclosed in an embodiment of the utility model.

[0112] Optionally, the electrical connection relationship between the third signal output subcircuit and the electronic components in the third signal output subcircuit can be found in Fig.10 As shown, Fig.10 This is a schematic diagram of the structure of a third signal output subcircuit disclosed in an embodiment of the utility model.

[0113] Optionally, the electrical connection relationship between the second signal input subcircuit and each electronic component in the second signal input subcircuit can be referred to in Fig.11 As shown, Fig.11 It is a structural schematic diagram of a second signal input subcircuit disclosed in an embodiment of the utility model.

[0114] It can be seen that the embodiment of the utility model can determine the input signal through multiple second signal input sub-circuits and the first output end for outputting the first type of signal and the second output end for outputting the second type of signal, and transmit the input signal to the second signal processing circuit 1042, and receive the output signal of the second signal processing circuit 1042 through multiple second signal output sub-circuits for inputting the second type of signal and the third signal output sub-circuit for inputting the second type of signal. It can perform signal input, signal enhancement transmission and signal output for different types of signals, and is not limited to the signal type in performing signal input, signal enhancement transmission and signal output, which is beneficial to improving the intelligence of signal enhancement processing and long-distance transmission of various types of input signals, as well as improving the input and output targeting, accuracy and efficiency of different types of signals, and thus is beneficial to improving the signal processing effect, long-distance transmission effect and stability.

[0115] In yet another optional embodiment, Figure 6 As shown, the second signal processing circuit 1042 includes a second enhanced signal adjustment circuit and a signal branch conversion circuit, and the second enhanced signal adjustment circuit at least includes a first input terminal and a second input terminal for inputting a first type of signal, and a third input terminal and a fourth input terminal for inputting a second type of signal, wherein:

[0116] The control end of the second enhanced signal adjustment circuit is electrically connected to the control circuit 102, the first input end and the second input end of the second enhanced signal adjustment circuit are electrically connected to the first output end of the second signal input sub-circuit which matches each other, the third input end and the fourth input end of the second enhanced signal adjustment circuit are electrically connected to the second output end of the second signal input sub-circuit which matches each other, the first output end of the second enhanced signal adjustment circuit is electrically connected to the first input end of the signal branch conversion circuit, the first output end, the second output end and the third output end of the signal branch conversion circuit are electrically connected to the second signal output sub-circuit which matches each other, and the fourth output end of the signal branch conversion circuit is electrically connected to the third signal output sub-circuit.

[0117] Optionally, the second enhanced signal adjustment circuit may specifically include a first enhanced signal adjustment sub-circuit and a second enhanced signal adjustment sub-circuit; further, the first enhanced signal adjustment sub-circuit, for example, is used to switch and process USB2.0 signals from a USB-C input port, and multiple groups of USB2.0 signals can be directly combined to enter the first enhanced signal adjustment sub-circuit, and the USB signals after switching and processing enter the HUB signal processing module (i.e., the signal branch conversion circuit); and the second enhanced signal adjustment sub-circuit, for example, is used to switch and process USB3.0 signals from two USB3.0 input ports, and the USB signals after switching and processing enter the HUB signal processing module (i.e., the signal branch conversion circuit), which is not limited to the embodiments of the present utility model.

[0118] Further, the first enhanced signal adjustment subcircuit may include a second enhanced processing chip, which may be a RS2228 chip or other chips capable of achieving the same function, which is not limited in the embodiment of the present invention; further, the second enhanced processing chip may refer to Fig.12 As shown, Fig.12 It is a structural schematic diagram of a second enhanced processing chip disclosed in an embodiment of the utility model.

[0119] Further, the second enhanced signal adjustment subcircuit may include a third enhanced processing chip, and the third enhanced processing chip may specifically be an AW3410S chip, or may be other chips capable of achieving the same function, which is not limited in the embodiment of the present utility model; further, the third enhanced processing chip may refer to Fig.13 As shown, Fig.13 It is a structural schematic diagram of a third enhanced processing chip disclosed in an embodiment of the utility model.

[0120] Optionally, the signal split conversion circuit may include a split conversion chip; further, the split conversion chip may specifically be a GL3510 chip, or may be other chips that can achieve the same control function, which is not limited in the embodiment of the utility model; further, the split conversion chip may refer to Fig.14 As shown, Fig.14 The present invention is a schematic structural diagram of a branch conversion chip disclosed in an embodiment of the present utility model.

[0121] Optionally, the signal split conversion circuit, for example, can be composed of a high-speed HUB chip GL3510. The signal after input into GL3510 is converted from a single channel to a four-channel USB3.0 signal, three of which are output from the USB3.0 interface output port, and one channel is output to the USB-C output interface after passing through the USB-C forward and reverse plug switching chip VL162 (i.e., the port signal switching circuit). The embodiment of the utility model is not limited to this.

[0122] It can be seen that the embodiments of the utility model can perform corresponding signal enhancement processing and transmission operations on the first type signal and the second type signal through the second enhanced signal adjustment circuit and the signal branching conversion circuit, and through multiple input terminals for inputting the first type signal and multiple input terminals for inputting the second type signal, the comprehensiveness and integrity of the second enhanced signal adjustment circuit are improved, thereby improving the pertinence, accuracy and reliability of the signal enhancement adjustment of the first type signal and the second type signal, and improving the pertinence and diversity of the input terminal of the second enhanced signal adjustment circuit, so that signal input and long-distance transmission processing can be performed without being limited to the signal type, and the intelligence of signal input and long-distance transmission processing for multiple and various types of input signals is improved.

[0123] In yet another optional embodiment, Figure 6 As shown, the second signal processing circuit 1042 further includes a first port signal switching circuit corresponding to each second signal input sub-circuit, and a second port signal switching circuit corresponding to the third signal output sub-circuit, wherein:

[0124] The input end of each first-port signal switching circuit is electrically connected to the second output end of the second signal input subcircuit matched therewith, and the output end of each first-port signal switching circuit is electrically connected to the third input end and the fourth input end of the second enhanced signal adjustment circuit matched therewith respectively;

[0125] The input end of the second port signal switching circuit is electrically connected to the fourth output end of the signal branch conversion circuit, and the output end of the second port signal switching circuit is electrically connected to the third signal output sub-circuit.

[0126] Optionally, the first port signal switching circuit and the second port signal switching circuit, for example, can both be used to switch USB3.0 signals output from the USB-C port, and the embodiments of the present utility model are not limited thereto.

[0127] Optionally, the first port signal switching circuit may include a first port signal switching chip. The first port signal switching chip may specifically be a VL162 chip, or may be other chips that can achieve the same function, which is not limited in the embodiment of the present invention. Further, the first port signal switching chip may refer to Fig.15 As shown, Fig.15 The present invention is a schematic diagram of the structure of a first port signal switching chip disclosed in an embodiment of the present utility model.

[0128] Optionally, the second port signal switching circuit may include a second port signal switching chip. The second port signal switching chip may specifically be a VL162 chip, or may be other chips that can achieve the same function, which is not limited in the embodiment of the utility model. Further, the second port signal switching chip may refer to Fig.16 As shown, Fig.16 The present invention is a schematic diagram of the structure of a second port signal switching chip disclosed in an embodiment of the present invention.

[0129] It can be seen that the embodiment of the utility model can perform signal enhancement transmission processing operations through the first port signal switching circuit corresponding to the second signal input sub-circuit and the second port signal switching circuit corresponding to the third signal output sub-circuit, which is beneficial to improving the signal processing pertinence and accuracy of the first port signal switching circuit and the second port signal switching circuit, and is also beneficial to improving the comprehensiveness and integrity of the second signal processing circuit 1042, thereby helping to improve the comprehensiveness and accuracy of long-distance transmission processing of the first type of signal and the second type of signal.

[0130] In yet another optional embodiment, Figure 6 As shown, the first signal input circuit 1031 includes at least two first signal input sub-circuits, and the first signal output circuit 1051 includes at least one first signal output sub-circuit, wherein:

[0131] The first input terminal and the second input terminal of the first signal processing circuit 1041 are electrically connected to the output terminals of the first signal input sub-circuit respectively matched with each other, and the first output terminal of the first signal processing circuit 1041 is electrically connected to the input terminal of the first signal output sub-circuit.

[0132] Optionally, the electrical connection relationship between the first signal input subcircuit and the electronic components in the first signal input subcircuit can be referred to in Fig.17 As shown, Fig.17 This is a schematic diagram of the structure of a first signal input subcircuit disclosed in an embodiment of the utility model.

[0133] Optionally, the electrical connection relationship between the first signal output subcircuit and each electronic component in the first signal output subcircuit can refer to Fig.18 As shown, Fig.18This is a schematic diagram of the structure of a first signal output subcircuit disclosed in an embodiment of the utility model.

[0134] It can be seen that the embodiment of the utility model can determine the input signal through multiple first signal input sub-circuits and input the input signal into the first signal processing circuit 1041. The first signal processing circuit 1041 transmits the signal after signal enhancement processing to the first signal output sub-circuit. It can perform signal enhancement processing and output of the input signal without being limited by the number of first signal input sub-circuits, which is beneficial to improving the intelligence of signal enhancement processing and output signal of multiple input signals, and further helps to improve the signal enhancement effect and long-distance transmission effect of the output signal.

[0135] In yet another optional embodiment, Fig.19 is a schematic diagram of the structure of another circuit for long-distance signal transmission disclosed in an embodiment of the utility model, such as Fig.19 As shown, a circuit for signal enhancement transmission may further include an anti-crosstalk circuit 106, wherein:

[0136] A first terminal of the anti-crosstalk circuit 106 is electrically connected to the third input terminal of the signal enhancement circuit 104 , and a second terminal of the anti-crosstalk circuit 106 is electrically connected to the second output terminal of the signal enhancement circuit 104 .

[0137] Optionally, the anti-crosstalk circuit 106 is used to perform an anti-crosstalk operation on the signal enhancement circuit 104, which is not limited in the embodiment of the utility model.

[0138] Optionally, the electrical connection relationship between the anti-crosstalk circuit 106 and the electronic components in the anti-crosstalk circuit 106 can be found in Fig. 20 As shown, Fig. 20 It is a structural schematic diagram of an anti-crosstalk circuit 106 disclosed in an embodiment of the utility model.

[0139] It can be seen that the embodiment of the utility model can perform anti-crosstalk operation on the signal enhancement circuit 104 through the anti-crosstalk circuit 106, which is beneficial to improving the signal transmission stability and signal transmission quality of the signal enhancement circuit 104, reducing the channel noise interference of the signal enhancement circuit 104, and to a certain extent, it is beneficial to improve the signal processing reliability and efficiency of the signal enhancement circuit 104.

[0140] In yet another optional embodiment, Fig.19 As shown, a circuit for signal enhancement transmission may further include an equalizer configuration circuit 107, wherein:

[0141] A first terminal of the equalizer configuration circuit 107 is electrically connected to a first configuration terminal of the signal enhancement circuit 104 .

[0142] Optionally, the equalizer configuration circuit 107 is used to implement an equalizer configuration selection operation for the signal enhancement circuit 104, which is not limited in the embodiment of the utility model.

[0143] Optionally, the electrical connection relationship between the equalizer configuration circuit 107 and the electronic components in the equalizer configuration circuit 107 can be found in Fig.21 As shown, Fig.21 It is a structural diagram of an equalizer configuration circuit 107 disclosed in an embodiment of the utility model.

[0144] It can be seen that the embodiment of the utility model can realize the equalizer configuration selection function through the equalizer configuration circuit 107, which is conducive to coping with signals of different frequencies and performing signal amplification processing on electrical signals of different frequencies, which can improve the selectivity and pertinence of the configurator, and is conducive to improving the signal application effectiveness and accuracy of the signal enhancement circuit 104.

[0145] In yet another optional embodiment, Fig.19 As shown, a circuit for signal enhancement transmission may also include an electrostatic surge protection circuit 108, wherein:

[0146] A first end of the electrostatic surge protection circuit 108 is electrically connected to the second input end of the signal enhancement circuit 104 , and a second end of the electrostatic surge protection circuit 108 is electrically connected to the signal input circuit 103 .

[0147] Optionally, the electrostatic surge protection circuit 108 is used to perform electrostatic surge protection operations on the signal between the signal input circuit 103 and the signal enhancement circuit 104 to prevent the product from being damaged by lightning surges and ESD static electricity, which is not limited in the embodiments of the present utility model.

[0148] Further optionally, the electrostatic surge protection circuit 108 may specifically include an electrostatic surge protection sub-circuit corresponding to each first signal input sub-circuit, which is not limited in the embodiment of the present utility model.

[0149] Optionally, the electrical connection relationship between the electrostatic surge protection circuit 108 and the electronic components in the electrostatic surge protection circuit 108 can be found in Fig. 22 As shown, Fig. 22 Schematic diagram of the structure of an electrostatic surge protection circuit 108 disclosed in an embodiment of the utility model.

[0150] It can be seen that the utility model can realize the electrostatic surge protection function for the signal input circuit 103 and the signal enhancement circuit 104 through the electrostatic surge protection circuit 108, prevent the product from being damaged by lightning surge and ESD static electricity, improve the transmission stability and reliability of the input signal, and thus improve the operating stability and safety of the product.

[0151] In yet another optional embodiment, Fig.19 As shown, a circuit for signal enhancement transmission may also include a short circuit surge protection circuit 109, wherein:

[0152] A first end of the short-circuit surge protection circuit is electrically connected to a first output end of the signal enhancement circuit 104 , and a second end of the short-circuit surge protection circuit is electrically connected to the signal output circuit 105 .

[0153] Optionally, a short-circuit surge protection circuit 109 is used to short-circuit the signal between the signal output circuit 105 and the signal enhancement circuit 104 to prevent the product from being damaged by lightning surges, ESD static electricity, short circuits, etc., which is not limited in the embodiments of the utility model.

[0154] Further optionally, the short-circuit surge protection circuit 109 may specifically include a short-circuit surge protection sub-circuit corresponding to each first signal output sub-circuit, which is not limited in the embodiment of the present utility model.

[0155] Optionally, the electrical connection relationship between the short-circuit surge protection circuit 109 and the electronic components in the short-circuit surge protection circuit 109 can be found in Fig.23 As shown, Fig.23 It is a structural schematic diagram of a short-circuit surge protection circuit 109 disclosed in an embodiment of the utility model.

[0156] It can be seen that the utility model can realize the short-circuit surge protection function for the signal output circuit 105 and the signal enhancement circuit 104 through the short-circuit surge protection circuit 109, prevent the product from being damaged by lightning surge, ESD static electricity and short circuit, improve the transmission stability and reliability of the output signal, and thus improve the operating stability and safety of the product.

[0157] In another optional embodiment, the first enhanced signal adjustment circuit includes a PS8461E-A3 chip, the second enhanced signal adjustment circuit includes an RS2228 chip and an AW3410S chip, the signal branch conversion circuit includes a GL3510 chip, the first port signal switching circuit and the second port signal switching circuit both include a VL162 chip, the first signal input sub-circuit corresponds to the DP input circuit, the first signal output sub-circuit corresponds to the DP output circuit, the second signal input sub-circuit corresponds to the USB-C input circuit, the second signal output sub-circuit corresponds to the USB3.0 output circuit, and the third signal output sub-circuit corresponds to the USB-C output circuit.

[0158] It can be seen that the embodiment of the utility model can realize signal enhancement processing and long-distance signal transmission through the PS8461E-A3 chip included in the first enhanced signal adjustment circuit, the RS2228 chip and the AW3410S chip included in the second enhanced signal adjustment circuit, the GL3510 chip included in the signal branch conversion circuit, and the VL162 chip included in the first port signal switching circuit and the second port signal switching circuit. It can realize signal enhancement processing and long-distance transmission processing of different types of signals (such as DP signals, USB signals), meet the user's usage needs, and improve the stability and reliability of long-distance signal transmission.

[0159] In yet another optional embodiment, Fig.24 As shown, Fig.24It is an architecture diagram of a circuit for signal enhancement transmission disclosed in an embodiment of the utility model, wherein when the first signal input sub-circuit is 2, the first signal input sub-circuit is DP IN1 and DP IN2 respectively; when the second signal input sub-circuit is 2, the second signal input sub-circuit is USB-C IN1 and USB-C IN2 respectively; when the first signal output sub-circuit is 1, the first signal output sub-circuit is DPOUT; when the second signal output sub-circuit is 3, the second signal output sub-circuit is USB3.0-AOUT1, USB3.0-AOUT2 and USB3.0-AOUT3 respectively; when the third signal output sub-circuit is 1, the third signal output sub-circuit is USB-C OUT; when the signal enhancement circuit 104 includes a first signal processing circuit 1041 and a second signal processing circuit 1042, the DP Switch (corresponding to the PS8461E-A3 chip) is the first enhanced signal adjustment circuit, USB2.0&USB3.0 Switch (corresponding to RS2228 chip and AW3410S chip) is the second enhanced signal adjustment circuit, GL3510 is the signal split conversion circuit, and the VL162 chip electrically connected to USB-C IN1 and USB-C IN2 is the first port signal switching circuit. The VL162 chip electrically connected to OUT is the second port signal switching circuit; each first signal input sub-circuit transmits a TMDS signal to the first enhanced signal adjustment circuit; the first enhanced signal adjustment circuit transmits a TMDS signal to the first signal output sub-circuit; for each second signal input sub-circuit, one end of the second signal input sub-circuit transmits a USB2.0 signal to the second enhanced signal adjustment circuit, and the other end of the second signal input sub-circuit transmits a USB3.0 signal to its corresponding first port signal switching circuit, and the other end of the first port signal switching circuit transmits a USB3.0 signal to the second enhanced signal adjustment circuit; another end of the second enhanced signal adjustment circuit transmits a USB3.0 / 2.02 signal to the signal branch switching circuit; the first output end, the second output end and the third output end of the signal branch switching circuit transmit USB3.0 signals to the corresponding second signal output sub-circuit respectively; the fourth output end of the signal branch switching circuit transmits a USB3.0 signal to the second port signal switching circuit; the other end of the second port signal switching circuit transmits a USB3.0 signal to the third signal output sub-circuit; MCU is the control circuit 102, Mini USB and KEY are the state switching circuit 101 , and the electrical connection between the state switching circuit 101 and the control circuit 102 is through IO connection, which is not limited in the embodiment of the utility model.

[0160] It should be noted that the specific numerical values ​​in the above optional embodiments and the specific numerical values ​​in the corresponding drawings are only examples, and can also be set to other values ​​according to actual conditions, and the embodiments of the present utility model are not limited thereto.

[0161] Embodiment 2

[0162] See also Fig.25 , Fig.25 It is a structural schematic diagram of a switch disclosed in an embodiment of the utility model, the switch includes an input port for receiving a video signal, and processes the video signal through any circuit for signal enhancement transmission as in Embodiment 1 to obtain a target video signal, and includes an output port for outputting the target video signal; wherein the input port and / or the output port is a DP port and / or a Type-C port. And the functions that can be realized by the switch include but are not limited to being able to realize signal enhancement transmission of different chips. It should be noted that for a detailed description of a circuit for signal enhancement transmission, please refer to the specific description of the relevant content in Embodiment 1, which will not be repeated in this embodiment.

[0163] It can be seen that the implementation Fig.25 The described switch can perform matching signal enhancement and transmission operations on the input signal according to the signal processing requirements, and can realize signal enhancement, long-distance transmission and signal switching functions, which is beneficial to improving the signal processing and signal enhancement accuracy of the signal to be transmitted, and is beneficial to improving the switching accuracy and transmission stability of the signal to be transmitted, and further helps to improve the working stability of the product for transmitting signals and optimize the working effect, which is beneficial to improving the user experience of users using the switch and meeting the user's needs for long-distance signal transmission.

[0164] The above is a detailed introduction to a circuit and a switch for signal enhancement transmission disclosed in an embodiment of the utility model. The principle and implementation method of the utility model are explained in this article using specific embodiments, but the above preferred embodiments are not used to limit the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea; at the same time, for general technical personnel in this field, based on the idea of ​​the utility model, there will be changes in the specific implementation method and application scope without departing from the spirit and scope of the utility model. Therefore, the scope of protection of the utility model shall be based on the scope defined by the claims.

Claims

1. A circuit for signal enhancement transmission, characterized in that: The circuit comprises: a signal enhancement circuit and a control circuit, wherein: The first end of the control circuit is used to electrically connect to the state switching circuit, the first input end of the signal strengthening circuit is electrically connected to the control circuit, the second input end of the signal strengthening circuit is used to electrically connect to the signal input circuit, and the first output end of the signal strengthening circuit is used to electrically connect to the signal output circuit; The control circuit is used to analyze the state conversion instruction sent by the state switching circuit, obtain state control information of the state conversion instruction, and transmit the state control information to the signal strengthening circuit, wherein the state control information includes signal processing requirements; The signal enhancement circuit is used to perform a matching signal enhancement transmission operation on the input signal of the signal input circuit according to the signal processing requirement, and output the signal subjected to the signal enhancement transmission operation to the signal output circuit.

2. A circuit for signal enhancement transmission according to claim 1, characterized in that: The signal enhancement circuit at least includes a first signal processing circuit and / or a second signal processing circuit; The signal input circuit at least includes a first signal input circuit corresponding to the first signal processing circuit and / or a second signal input circuit corresponding to the second signal processing circuit; The signal output circuit at least includes a first signal output circuit corresponding to the first signal processing circuit and / or a second signal output circuit corresponding to the second signal processing circuit; in: The control end of the first signal processing circuit is electrically connected to the control circuit, the first input end and the second input end of the first signal processing circuit are used to be electrically connected to the first signal processing circuit, and the first output end of the first signal processing circuit is used to be electrically connected to the first signal output circuit; The control end of the second signal processing circuit is electrically connected to the control circuit, the first input end, the second input end, the third input end and the fourth input end of the second signal processing circuit are used to be electrically connected to the second signal input circuit, and the first output end, the second output end, the third output end and the fourth output end of the second signal processing circuit are used to be electrically connected to the second signal output circuit; The second signal processing circuit is specifically used to perform a matching signal enhancement transmission operation on the first type signal and / or the second type signal input by the second signal input circuit, and output the first type signal and / or the second type signal that has performed the corresponding signal enhancement transmission operation to the second signal output circuit; The first signal processing circuit is specifically used to perform a matching signal enhancement transmission operation on the third type signal input by the first signal input circuit, and output the third type signal on which the corresponding signal enhancement transmission operation is performed to the first signal output circuit.

3. A circuit for signal enhancement transmission according to claim 2, characterized in that: The first signal processing circuit includes a first enhanced signal adjustment circuit, wherein: The control end of the first enhanced signal adjustment circuit is electrically connected to the control circuit, the first input end and the second input end of the first enhanced signal adjustment circuit are used to electrically connect to the first signal input circuit, and the first output end of the first enhanced signal adjustment circuit is used to electrically connect to the first signal output circuit.

4. A circuit for signal enhancement transmission according to claim 3, characterized in that: The second signal input circuit includes at least two second signal input sub-circuits, each of which includes at least a first output terminal for outputting a first type of signal and a second output terminal for outputting a second type of signal, and the second signal output circuit includes at least three second signal output sub-circuits for inputting a second type of signal and at least one third signal output sub-circuit for inputting a second type of signal, wherein: The control end of the second signal processing circuit is electrically connected to the control circuit, the first input end and the second input end of the second signal processing circuit are electrically connected to the first input end of the second signal input sub-circuit respectively matching, the third input end and the fourth input end of the second signal processing circuit are electrically connected to the second output end of the second signal input sub-circuit respectively matching, the first output end, the second output end and the third output end of the second signal processing circuit are electrically connected to the second signal output sub-circuit respectively matching, and the fourth output end of the second signal processing circuit is electrically connected to the third signal output sub-circuit.

5. A circuit for signal enhancement transmission according to claim 4, characterized in that: The second signal processing circuit includes a second enhanced signal adjustment circuit and a signal branch conversion circuit, wherein the second enhanced signal adjustment circuit includes at least a first input terminal and a second input terminal for inputting a first type of signal, and a third input terminal and a fourth input terminal for inputting a second type of signal, wherein: The control end of the second enhanced signal adjustment circuit is electrically connected to the control circuit, the first input end and the second input end of the second enhanced signal adjustment circuit are electrically connected to the first output end of the second signal input sub-circuit respectively matching, the third input end and the fourth input end of the second enhanced signal adjustment circuit are electrically connected to the second output end of the second signal input sub-circuit respectively matching, the first output end of the second enhanced signal adjustment circuit is electrically connected to the first input end of the signal branch conversion circuit, the first output end, the second output end and the third output end of the signal branch conversion circuit are electrically connected to the second signal output sub-circuit respectively matching, and the fourth output end of the signal branch conversion circuit is electrically connected to the third signal output sub-circuit.

6. A circuit for signal enhancement transmission according to claim 5, characterized in that: The second signal processing circuit further includes a first port signal switching circuit corresponding to each of the second signal input sub-circuits, and a second port signal switching circuit corresponding to the third signal output sub-circuit, wherein: The input end of each first-port signal switching circuit is electrically connected to the second output end of the second signal input subcircuit matched therewith, and the output end of each first-port signal switching circuit is electrically connected to the third input end and the fourth input end of the second enhanced signal adjustment circuit matched therewith respectively; The input end of the second-port signal switching circuit is electrically connected to the fourth output end of the signal branch conversion circuit, and the output end of the second-port signal switching circuit is electrically connected to the third signal output sub-circuit.

7. A circuit for signal enhancement transmission according to claim 6, characterized in that: The first signal input circuit includes at least two first signal input sub-circuits, and the first signal output circuit includes at least one first signal output sub-circuit, wherein: The first input terminal and the second input terminal of the first signal processing circuit are electrically connected to the output terminals of the first signal input subcircuit respectively matched with each other, and the first output terminal of the first signal processing circuit is electrically connected to the input terminal of the first signal output subcircuit.

8. A circuit for signal enhancement transmission according to claim 3 or 7, characterized in that: The circuit also includes an anti-crosstalk circuit, wherein: The first end of the anti-crosstalk circuit is electrically connected to the third input end of the signal enhancement circuit, and the second end of the anti-crosstalk circuit is electrically connected to the second output end of the signal enhancement circuit; And, the circuit further comprises an equalizer configuration circuit, wherein: The first end of the equalizer configuration circuit is electrically connected to the first configuration end of the signal enhancement circuit; And, the circuit also includes an electrostatic surge protection circuit, wherein: The first end of the electrostatic surge protection circuit is electrically connected to the second input end of the signal enhancement circuit, and the second end of the electrostatic surge protection circuit is used to be electrically connected to the signal input circuit; And, the circuit also includes a short circuit surge protection circuit, wherein: The first end of the short-circuit surge protection circuit is electrically connected to the first output end of the signal enhancement circuit, and the second end of the short-circuit surge protection circuit is used to electrically connect to the signal output circuit.

9. The circuit for signal enhancement transmission according to claim 7, characterized in that: The first enhanced signal adjustment circuit includes a PS8461E-A3 chip, the second enhanced signal adjustment circuit includes an RS2228 chip and an AW3410S chip, the signal branch conversion circuit includes a GL3510 chip, the first port signal switching circuit and the second port signal switching circuit both include a VL162 chip, the first signal input sub-circuit corresponds to a DP input circuit, the first signal output sub-circuit corresponds to a DP output circuit, the second signal input sub-circuit corresponds to a USB-C input circuit, the second signal output sub-circuit corresponds to a USB3.0 output circuit, and the third signal output sub-circuit corresponds to a USB-C output circuit.

10. A switch, characterized in that: The switch includes an input port for receiving a video signal, and processes the video signal by a circuit for signal enhancement transmission according to any one of claims 1 to 9 to obtain a target video signal, and includes an output port for outputting the target video signal; Wherein, the input port and / or the output port is a DP port and / or a Type-C port.

Images