CN201752115U - Network cable multiplexing device, data transmission system and single board debugging system - Google Patents

Abstract

The utility model relates to the communication field and provides a network cable multiplexing device. The network cable is divided into a network signal transmission line and a communication signal transmission line; the device is provided with a first conversion interface and a second conversion interface, wherein the first conversion interface is provided with at least four terminals, which are adapted to the network signal transmission line and connected to transmit network signals; the second conversion interface is provided with at least two wiring modules, and the wiring modules are adapted and connected to the communication signal transmission line to transmit communication signals. The utility model also provides a data transmission system and a single-board debugging system provided with the above-mentioned network cable multiplexing device. The network cable multiplexing device of the utility model can multiplex the network cable and the serial port line or the telephone line, simplifies the line arrangement in the communication system, saves cables and reduces the cost.

Description

Network cable multiplexing device, data transmission system and single board debugging system

technical field

The utility model relates to the technical field of communication, in particular to a network cable multiplexing device, a data transmission system and a single board debugging system using the device.

Background technique

In daily life and work, it is usually necessary to connect the data processing device to the client through a network cable to realize the data transmission function. At the same time, it is also necessary to connect the data processing device to the client through a serial cable for serial communication. For example, in the process of embedded software development, It is often necessary to use the serial port to print the output content of the single-board software, and to use the network cable to exchange files, track and debug between the PC (Personal Computer) and the single-board. To complete these functions, generally at least one serial port cable and one network cable are required, but the material of the serial port cable is relatively soft, and the serial port cable is easy to be damaged if the serial port is plugged and unplugged many times; and when there are multiple boards on the rack, they need to be debugged at the same time. When it is necessary to arrange multiple lines, the cost is relatively high.

Utility model content

The main purpose of the utility model is to provide a network cable multiplexing device and a data transmission system and a single board debugging system using the device, aiming at simplifying line layout and saving costs.

The utility model provides a network cable multiplexing device, the network cable is divided into a network signal transmission line and a communication signal transmission line; the network cable multiplexing device is provided with a first conversion interface and a second conversion interface, wherein the first conversion interface is set There are at least four connection terminals, which are adapted and connected to the network signal transmission line to transfer the network signal passing through the network signal transmission line; the second conversion interface is provided with at least two connection modules, and the connection module is connected to the communication signal transmission line Adapted and connected to relay communication signals passing through communication signal transmission lines.

Preferably, the second terminal includes a housing, a pressing rod, a contact piece and a spring, wherein the housing is provided with a socket for inserting the exposed copper end of the communication signal transmission line; the pressing rod passes through the housing The middle part of the body is in contact with the top surface of the contact piece; the contact piece is a metal piece; the spring is located between the contact piece and the inner wall of the housing, and holds the contact piece higher than the socket.

Preferably, the communication signal transmission line is a serial port line for transmitting serial port signals.

Preferably, the communication signal transmission line is a telephone line for transmitting telephone signals.

The present invention provides a data transmission system, including a data processing device, a client, and a network cable connecting the data processing device and the client, which may also include the above-mentioned network cable multiplexing device; the data processing device is provided with a data transmission interface, which can transmit network signal and communication signal; the network cable is divided into a network signal transmission line and a communication signal transmission line, the input ends of the network signal transmission line and the communication signal transmission line are connected to the data transmission interface correspondingly, and the output end of the network signal transmission line passes through the The first conversion interface in the network cable multiplexing device is connected to the client, and the output end of the communication signal transmission line is connected to the client through the second conversion interface in the network cable multiplexing device, so that through the network cable The multiplexing device transmits the network signal and the communication signal output by the data transmission interface to the client respectively.

Preferably, the data transmission interface transmits serial port signals, and the communication signal transmission line is a serial port line for transmitting serial port signals.

Preferably, the data transmission interface transmits network signals, and the communication signal transmission line is a telephone line for transmitting telephone signals.

The present invention provides a single-board debugging system, including a single-board, a client, and a network cable connecting the data processing equipment and the client, which may also include the above-mentioned network cable multiplexing device, and the single-board is provided with a data transmission interface, which can transmit network signals and communication signals; the network cable is divided into a network signal transmission line and a communication signal transmission line, the input ends of the network signal transmission line and the communication signal transmission line are connected to the data transmission interface correspondingly, and the output end of the network signal transmission line passes through the network cable The first conversion interface in the multiplexing device is connected to the client, and the output end of the communication signal transmission line is connected to the client through the second conversion interface in the network cable multiplexing device, so that the network cable is multiplexed The device transmits the network signal and the communication signal output by the data transmission interface to the client respectively.

The network cable multiplexing device provided by the utility model is provided with a first conversion interface adapted and connected to the network signal transmission line in the network cable and a second conversion interface adapted and connected to the communication signal transmission line in the network cable, which can connect the network cable to the serial port Line or telephone line multiplexing, which simplifies line layout, saves cables and reduces costs.

Description of drawings

Fig. 1 is the structural representation of network cable in the utility model;

Fig. 2 is a schematic structural view of a network cable multiplexing device in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a wiring module in an example of the embodiment described in Fig. 2;

Fig. 4 is a schematic structural diagram of a data transmission system in an embodiment of the present invention;

Fig. 5 is a schematic diagram of a specific application of the network cable multiplexing device in an example of the above-mentioned embodiment.

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

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

With reference to Fig. 1, shown is the structural representation of network cable 10 in the utility model, and network cable 10 is a kind of twisted pair, is provided with eight copper core cables twisted together, and these eight copper core cables can be distinguished by color . During network connection, generally only four cables 1 , 2 , 3 , and 6 are used to transmit network signals, and the four cables used to transmit network signals may be called network signal transmission lines 11 . The other four cables 4, 5, 7, and 8 can transmit communication signals, such as serial port communication signals or telephone signals, etc. The cables used to transmit communication signals in this part can be called communication signal transmission lines 12. In the prior art, communication signal transmission lines 12 is generally idle. The network signal transmission line 11 and the communication signal transmission line 12 are twisted together to prevent electromagnetic interference and achieve a better transmission effect.

Referring to FIG. 2 , it is a schematic structural diagram of a network cable multiplexing device 20 in an embodiment of the present invention. The network cable multiplexing device 20 is provided with a first conversion interface 21 and a second conversion interface 22, wherein the first conversion interface 21 is provided with at least four connection terminals, which are adapted and connected with the network signal transmission line 11 for transferring network signals; The second conversion interface 22 is provided with at least two connection modules 23 , and the input ends of the connection modules 23 are adapted and connected to the communication signal transmission line 12 for relaying communication signals.

In an embodiment, the first conversion interface 21 may be an RJ45 interface, which is connected to the network signal transmission line 11 of the network cable 10 and used for transferring network signals. The RJ45 interface is provided with a plurality of connection terminals, and the network signal transmission line 11 can be correspondingly connected to the RJ45 interface according to the line sequence.

The wiring modules 23 are adapted and connected to the communication signal transmission lines 12 in the network cable 10 , and the number thereof can be set according to the communication signal transmission lines 12 . In one embodiment, the communication signal transmission line 12 can be used to transmit serial port signals. When transmitting serial port signals, three cables are required, so three wiring modules 23 can be set in the second conversion interface 22 to adapt the communication signal. The transmission line 12 also relays the serial port signal. In another embodiment, the communication signal transmission line 12 can be used to transmit telephone signals. When transmitting telephone signals, only two cables are needed, so two wiring modules 23 can be set in the second conversion interface 22 to adapt to the transmission of telephone signals. The communication signal transmission line 12 is equipped and the telephone signal is relayed.

There are multiple options for the structure of the wiring module 23. As shown in FIG. The jack 2311 for the exposed copper end of the communication signal transmission line 12 is inserted; the pressure rod 232 passes through the middle part of the housing 231 and contacts the contact piece 233; the contact piece 233 is a metal sheet; the spring 234 is located between the contact piece 233 and the inner wall of the housing 231 Between them, the holding contact piece 233 is higher than the insertion hole 2311 . In a specific example, before the communication signal transmission line 12 is not inserted into the jack 2311 , the spring 234 pushes the contact piece 233 to the top and blocks the jack 2311 . When you want to insert the communication signal transmission line 12, you only need to press down the pressure lever 232, and the jack 2311 can be opened. The exposed copper end of 12 is fastened. The external communication cable can be connected to the bottom of the spring 234 through the signal output welding spot 2341 . The communication signal can be transmitted from the communication signal transmission line 12 to the contact piece 233 , then transmitted to the spring 234 and transmitted to the external communication cable through the signal output solder joint 2341 . The wiring module 23 has a simple structure and can be conveniently connected to the communication signal transmission line 12 .

In another embodiment, the structure of the connection module 23 can also refer to the serial port signal connector or the telephone connector widely used in the market.

The network cable multiplexing device 20 of the present utility model comprises the above-mentioned first conversion interface 21 and the second conversion interface 22, and the idle cable in the existing network cable 10 can be used as a serial port line or a telephone line, etc., so that in the data transmission process, through a One network cable 10 can realize the function that at least one network cable plus one serial port line or telephone line can be realized in the prior art, which effectively simplifies the line layout, saves cables and reduces the cost. Especially, when long-distance transmission is performed, for example, when the network cable 10 is applied to building wiring, the cable-saving effect of the network cable multiplexing device 20 of the present invention is more obvious.

Referring to Fig. 4, the utility model also provides a kind of data transmission system, and this data transmission system comprises data processing equipment 30, client 40, above-mentioned network cable multiplexing device 20 and network cable 10, wherein, network cable 10 is divided into network signal transmission line 11 And communication signal transmission line 12; Data processing equipment 30 is provided with data transmission interface 31, and this data transmission interface 31 transmits network signal and communication signal to client 40 through network cable 10; Network cable 10 connects data transmission interface 31 through above-mentioned network cable multiplexing device 20 and client 40.

In an embodiment, in the circuit board of the data processing device 30 , the output terminals of the network signal transmission circuit and the serial port signal transmission circuit can be set to share the data transmission interface 31 . The data transmission interface 31 can be an RJ45 interface, the RJ45 interface corresponds to the network cable 10, four terminals are used to transmit the network signal output by the network signal transmission circuit, and the other four terminals are used to transmit the serial signal output by the serial signal transmission circuit. The network cable 10 can be connected to the data transmission interface 31 through a crystal head, and connected to the client 40 through the network cable multiplexing device 20 . In a specific example, the client 40 may be a PC, which is provided with a network signal interface and a serial signal interface matching the data processing device 30 .

In another embodiment, the data processing device 30 can also transmit network signals and telephone signals through the data transmission interface 31, and output them to the client 40 via the network cable 10 and the network cable multiplexing device 20; and the client 40 can include PCs and In the fixed telephone, the network cable 10, the network signal transmission line 11 is connected with the PC through the first conversion interface 21, and the communication signal transmission line 12 can be connected with the fixed telephone through the second conversion interface 22.

Specifically, when using the data transmission system of the present invention to transmit network signals and serial port signals, it can be set as follows: first, distinguish the network cable 10 by color and line sequence, and divide it into network signal transmission line 11 and communication signal transmission line 12 , for example, can make the network signal transmission line 11 according to the line sequence of 1,2,3,6, then make the communication signal transmission line 12 according to the line sequence of 4,5,7; When wiring the cable and the serial port signal output line, connect the two signals to an RJ45 interface and lead them out through the crystal head; then connect the input ends of the network signal transmission line 11 and the communication signal transmission line 12 in the network cable 10 to the crystal head correspondingly, The output ends are respectively connected to the first conversion interface 21 and the second conversion interface 22 in the network cable multiplexing device 20, and finally the first conversion interface 21 and the second conversion interface 22 are respectively connected to the network signal interface and the network signal interface in the client 40 through an external cable. The serial port signal interface can be connected and debugged accordingly.

When utilizing the data transmission system of the present utility model to transmit network signals and telephone signals, after the input ends of the network signal transmission line 11 and the communication signal transmission line 12 in the line 10 are connected to the crystal head, the output end of the network signal transmission line 11 The first conversion interface 21 is connected to the PC, and the output end of the communication signal transmission line 12 is connected to the fixed telephone through the second conversion interface 22 . Further, as shown in FIG. 5 , the output end of the communication signal transmission line 12 can be respectively connected to the fixed telephone A and the fixed telephone B through two second transfer interfaces 22; the output end of the network signal transmission line 11 can be connected through a first transfer interface 21 docking personal computer C.

The utility model also provides a single-board debugging system, which is a typical application of the aforementioned data transmission system. Specifically, the data processing device 30 in the foregoing data transmission system may be applied as a communication board. The single board can be connected to the PC through the above-mentioned network cable 10 and the network cable multiplexing device 20, thereby simplifying the wiring of the single board and saving costs.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. A network cable multiplexing device, characterized in that the network cable is divided into a network signal transmission line and a communication signal transmission line; the network cable multiplexing device is provided with a first conversion interface and a second conversion interface, wherein the first conversion The interface is provided with at least four connection terminals, which are adapted and connected to the network signal transmission line to transfer the network signal passing through the network signal transmission line; the second conversion interface is provided with at least two connection modules, and the connection module is connected to the communication The signal transmission lines are adapted and connected to relay communication signals passing through the communication signal transmission lines. 2. The network cable multiplexing device according to claim 1, wherein the wiring module includes a housing, a pressing rod, a contact piece and a spring, wherein the housing is provided with a copper end for the communication signal transmission line to be inserted into. the socket; the pressure rod passes through the middle of the housing and contacts the contact piece; the contact piece is a metal sheet; the spring is located between the contact piece and the inner wall of the housing, and the holding contact piece is higher than the jack. 3. The network cable multiplexing device according to claim 1 or 2, wherein the communication signal transmission line is a serial port line for transmitting serial port signals. 4. The network cable multiplexing device according to claim 1 or 2, wherein the communication signal transmission line is a telephone line for transmitting telephone signals. 5. A data transmission system, comprising a data processing device, a client, and a network cable connecting the data processing device and the client, characterized in that, it also includes a network cable multiplexing device as claimed in claim 1; the data processing device is provided with The data transmission interface can transmit network signals and communication signals; the network cable is divided into a network signal transmission line and a communication signal transmission line, and the input ends of the network signal transmission line and the communication signal transmission line are connected to the data transmission interface correspondingly, and the network signal The output end of the transmission line is connected to the client through the first conversion interface in the network cable multiplexing device, and the output end of the communication signal transmission line is connected to the client terminal through the second conversion interface in the network cable multiplexing device connected, so that the network signal and communication signal output by the data transmission interface are respectively transmitted to the client through the network cable multiplexing device. 6. The data transmission system according to claim 5, wherein the data transmission interface transmits serial port signals, and the communication signal transmission line is a serial port line for transmitting serial port signals. 7. The data transmission system according to claim 5, wherein the data transmission interface transmits network signals, and the communication signal transmission line is a telephone line for transmitting telephone signals. 8. A single board debugging system, comprising a single board, a client and a network cable connecting data processing equipment and the client, characterized in that, it also includes a network cable multiplexing device as claimed in claim 1; the single board is provided with data The transmission interface can transmit network signals and communication signals; the network cable is divided into a network signal transmission line and a communication signal transmission line, and the input ends of the network signal transmission line and the communication signal transmission line are connected to the data transmission interface correspondingly, and the network signal transmission line The output end of the communication signal transmission line is connected to the client through the first conversion interface in the network cable multiplexing device, and the output end of the communication signal transmission line is connected to the client through the second conversion interface in the network cable multiplexing device , so that the network signal and the communication signal output by the data transmission interface are respectively transmitted to the client through the network cable multiplexing device. 9. The single-board debugging system according to claim 8, wherein the data transmission interface transmits serial port signals, and the communication signal transmission line is a serial port line for transmitting serial port signals. 10. The single-board debugging system according to claim 8, wherein the data transmission interface transmits network signals, and the communication signal transmission line is a telephone line for transmitting telephone signals.

Images