CN204947283U - USB jockey - Google Patents

Abstract

The utility model discloses a USB connection device, which is assembled between a first equipment main board and a second equipment main board. The USB connection device comprises: a first connector fixedly connected to the first equipment main board; The connector is fixed on the motherboard of the second device; the Ethernet cable is connected between the first connector and the second connector, so as to realize the USB connection between the first device and the second device. data transfer. The USB connection device of the present utility model uses standard Ethernet cables to transmit USB signals, and the use of Ethernet cables is more flexible than USB cables. Users can make them by themselves according to the selected length. While meeting the USB transmission rate, To a certain extent, the range of use of devices using the USB transmission method is extended.

Description

USB connection device

technical field

The utility model relates to the technical field of communication, in particular to a USB connection device.

Background technique

In the communication process, USB (Universal Serial Bus, Universal Serial Bus) is widely used as a connection method in existing data interaction. At present, there are three types of USB interfaces: USB1.1, USB2.0 and USB3.0. Among them, the theoretical maximum transmission rate of USB1.1 is 12Mbps/s, the theoretical maximum transmission rate of USB2.0 is 480Mbps/s, and the theoretical maximum transmission rate of USB3.0 The theoretical maximum transmission rate can reach 5Gbps/s. However, USB is a short-distance communication standard. After the USB data line exceeds the transmission distance specified in the protocol, the reliability of USB transmission will be affected due to 5V power supply and signal attenuation. Therefore, the existing USB data line cannot be based on the length. Demand flexible customization.

Utility model content

In view of this, the utility model proposes a USB connection device that can flexibly customize the length requirement to solve the above technical problems.

In order to achieve the above object, the technical solution adopted in this disclosure is:

A USB connection device, assembled between a first equipment main board and a second equipment main board, the USB connection device comprising:

a first connector fixedly connected to the main board of the first device;

a second connector fixedly connected to the main board of the second device;

An Ethernet cable is connected between the first connector and the second connector to implement USB data transmission between the first device and the second device.

A further improvement of the USB connection device of the present invention is that the Ethernet cable includes eight connecting wires, the first connector and the second connector both include eight connecting ports, and the eight connecting wires are connected to the The eight connection ports of the first connector and the eight connection ports of the second connector are connected in one-to-one correspondence, and the eight connection lines are defined as 4 pairs of differential lines: two first The connection line between the connection ports and the connection line between the two second connection ports, the connection line between the two third connection ports and the connection line between the two sixth connection ports, the two The connection line between the fourth connection ports and the connection line between the two fifth connection ports, the connection line between the two seventh connection ports and the connection line between the two eighth connection ports;

Wherein, the two first connection ports and the two second connection ports, the two third connection ports and the two sixth connection ports are power connection ports; the two fourth connection ports The two fifth connection ports, the two seventh connection ports and the two eighth connection ports are data transmission interfaces.

The further improvement of the USB connection device of the present utility model is that the two first connection ports and the two third connection ports are power supply interfaces, and the two second connection ports and the two sixth connection ports are ground connection.

A further improvement of the USB connection device of the present invention is that the first connection port to the eighth connection port of the first connector are respectively connected with corresponding same connection ports of the second connector.

The further improvement of the USB connection device of the present invention is that the first connection port in the first connector is connected with the third connection port in the second connector, and the connection port in the first connector is The third connection port is connected to the first connection port in the second connector; the second connection port in the first connector is connected to the first connection port in the second connector. Six connections, the sixth connection in the first connector is connected to the second connection in the second connector; the fourth connection in the first connector port, the fifth connection port, the seventh connection port, and the eighth connection port are respectively connected to corresponding same connection ports in the second connector.

The further improvement of the USB connection device of the present utility model lies in that, between the two fourth connection ports, between the two fifth connection ports, and between the two seventh connection ports The eight-connection ports are all transmitted in the form of line-to-line data;

Wherein, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports, the connection line between the two seventh connection ports and the two eighth connection ports The connection lines between the connection ports can be used for data transmission alternatively or simultaneously.

The further improvement of the USB connection device of the present utility model is that the connection line between the two fourth connection ports and the connection line between the two fifth connection ports form a receiving signal differential line, and the two seventh connection ports The connecting wires between the connecting ports and the connecting wires between the two eighth connecting ports constitute a sending signal differential line.

A further improvement of the USB connection device of the present invention is that both the first connector and the second connector are RJ45 connectors.

A further improvement of the USB connection device of the present invention is that the first device is a main communication device, and the second device is a mobile terminal; or the first device is a mobile terminal, and the second device is a main communication device.

Compared with the prior art, the utility model proposes a new type of USB connection device, which uses a standard Ethernet cable to transmit USB signals. The use of Ethernet cables is more flexible than USB cables, and users can choose lengths according to Self-made, while meeting the USB transmission rate, to a certain extent, it extends the use range of devices using the USB transmission method.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the application of the USB connection device of the present invention;

Fig. 2 is a structural schematic diagram of the cable interface connection of the USB connection device of the present invention;

Fig. 3 is another structural schematic diagram of the cable interface connection of the USB connection device of the present invention;

Fig. 4 is another structural schematic diagram of the cable interface connection of the USB connection device of the present invention;

FIG. 5 is another structural schematic diagram of the cable interface connection of the USB connection device of the present invention.

detailed description

The utility model will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present utility model.

Terms used in the present invention are only for the purpose of describing specific embodiments, but not intended to limit the present invention. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

It should be understood that although terms first, second, etc. may be used in the present invention to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present invention, first information may also be called second information, and similarly, second information may also be called first information. Depending on the context, the word "if" as used herein may be interpreted as "at" or "when" or "in response to a determination."

As shown in FIG. 1 , FIG. 1 is a schematic diagram of the overall structure of the application of the USB connection device of the present invention. In the utility model, the Ethernet cable 3 is used to replace the existing USB cable, and the connection port is redefined adaptively, and the standard Ethernet cable 3 is used to transmit the USB signal, so that the user can make the USB cable according to the required length. The length of the signal transmission cable to extend the range of use of the device using the USB connection. Preferably, the Ethernet cable 3 can be a Category 6 or Category 6A Ethernet cable with better quality.

The USB connection device of the present utility model is assembled between the first equipment main board 11 and the second equipment main board 21, wherein the first equipment 1 can be the main communication equipment, and the second equipment 2 is a mobile terminal, for example: the first equipment The device 1 can be a server, and the second device 2 can be a mobile phone, a tablet computer, a personal digital assistant, etc.; or the first device 1 is a mobile terminal, and the second device 2 is a main communication device.

Specifically, the USB connection device includes: a first connector 12 , a second connector 22 , and an Ethernet cable 3 . Wherein, the first connector 12 is fixedly connected to the first device main board 11, the second connector 22 is fixedly connected to the second device main board 21, and the Ethernet cable 3 is connected between the first connector 12 and the second device main board 21. Between the two connectors 22, the first connector 12 and the second connector 22 define connection ports corresponding to the respective connection lines in the Ethernet cable 3, so that the connection between the first device 1 and the second device 2 is realized. Utilizing the advantages of the Ethernet cable 3 for signal transmission, the user can define the length of the Ethernet cable 3 according to the cable length requirement. Wherein, the first connector 12 and the second connector 22 can be selected as RJ45 connectors, preferably, of course, a connector with the same number of connecting pins as the RJ45 connector can be selected, and the connector can be designed to be smaller , so as to expand the application range of the first connector 12 and the second connector 22 , which conforms to the direction of the development of ultra-thin electronic equipment.

As shown in FIGS. 2 to 5 , the Ethernet cable 3 includes eight connecting wires. Both the first connector 12 and the second connector 22 include eight connection ports, which are respectively defined as: the first connection port, the second connection port, the third connection port, the fourth connection port, the fifth connection port, the sixth connection port, and the second connection port. The connection port, the seventh connection port, and the eighth connection port (corresponding to ①～⑧ in Fig. 2 to Fig. 5 in sequence). The eight connection lines of the Ethernet cable 3 are connected to the eight connection ports of the first connector 12 and the eight connection ports of the second connector 22 in one-to-one correspondence, that is, one end of a connection line is connected to the first connector 12 The other end of the connection line is connected to a connection port of the second connector 22, and the connection ports correspond to the connection lines one-to-one, and there is no one-to-many situation.

In the embodiment of the present utility model, the eight connecting lines are defined as 4 sets of differential lines: the connecting lines between the two first connecting ports and the connecting lines between the two second connecting ports, and the connecting lines between the two third connecting ports. The connection line between the connection ports and the connection line between the two sixth connection ports, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports, and the connection line between the two seventh connection ports The connection line between and the connection line between the two eighth connection ports. Among them, two first connection ports and two second connection ports, two third connection ports and two sixth connection ports are power connection ports; two fourth connection ports and two fifth connection ports, two The seventh connection port and the two eighth connection ports are data transmission interfaces. Further, the two first connecting ports and the two third connecting ports are power supply ports, the two second connecting ports and the two sixth connecting ports are grounding ports, and the two fourth connecting ports in Fig. 2 and Fig. 3 (D0-) and two fifth connectors (D0+) are a set of wire-pair data interfaces, and two seventh connectors (D1+) and two eighth connectors (D1-) are a set of wire-pair data interfaces Interface, the two fourth connection ports (RX-) and the two fifth connection ports (RX+) in Fig. 4 and Fig. The eighth connection port (TX+) is a set of wire-to-go data interfaces; among them, two fourth connection ports (RX-) and two fifth connection ports (RX+) are used to receive signals, and two seventh connection ports ( TX-) and two eighth connectors (TX+) for sending signals. Preferably, the rated voltages at the first interface and the third interface are 5V in compliance with the USB protocol standard.

Since the first connector 12 and the second connector 22 in the utility model both include two power interfaces and two ground interfaces, the Ethernet cable 3 in the embodiment of the utility model can be directly connected to the The first connector 12 is connected to the second connector 22 , and the first connector 12 and the second connector 22 may also be connected in a crossover wire connection manner.

Specifically, as shown in Fig. 2 and Fig. 4, in one embodiment of the present invention, it is connected through a straight line, and the first connection port to the eighth connection port in the first connector 12 are connected to the eighth connection port respectively. The second connector 22 is connected to the corresponding same connection port. That is, the first connection port in the first connector 12 is connected to the first connection port in the second connector 22 through a connecting wire, and the second connection port in the first connector 12 is connected to the second connection port in the second connector 22. The connecting port is connected by connecting wire, the third connecting port in the first connector 12 is connected with the third connecting port in the second connector 22 by connecting wire, and the fourth connecting port in the first connector 12 is connected with the second connecting port. The fourth connecting port in the connector 22 is connected by a connecting wire, the fifth connecting port in the first connector 12 is connected with the fifth connecting port in the second connector 22 by a connecting wire, and the sixth connecting port in the first connector 12 is connected by a connecting wire. The connection port is connected with the sixth connection port in the second connector 22 by a connection line, the seventh connection port in the first connector 12 is connected with the seventh connection port in the second connector 22 by a connection line, and the first connection The eighth connection port in the connector 12 is connected to the eighth connection port in the second connector 22 through a connection line, thus forming a one-to-one connection.

As shown in Fig. 3 and Fig. 5, in yet another embodiment of the present utility model, the connection mode of the crossover wire is used, the first connection port in the first connector 12 and the third port in the second connector 22 connection port, the third connection port in the first connector 12 is connected with the first connection port in the second connector 22; the second connection port in the first connector 12 is connected with the first connection port in the second connector 22; The sixth connection port in the first connector 12 is connected with the second connection port in the second connector 22; the fourth connection port, the fifth connection port, the seventh connection port in the first connector 12 The connection port and the eighth connection port are respectively connected to the corresponding same connection ports in the second connector 22 . In this way, it is reflected that there are more connection modes of the Ethernet cable 3 and the connection between interfaces is more flexible.

As shown in Figure 2 and Figure 3, this data transmission method is applicable to two versions of USB1.1 and USB2.0, between two fourth connection ports, between two fifth connection ports, and two seventh connection ports Between the ports, and between the two eighth connection ports, the data is transmitted in the form of wire pair. Specifically, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports are used to send or receive signals, and the connection line between the two seventh connection ports and the two This group of differential lines is also used to send or receive signals. Wherein, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports, the connection line between the two seventh connection ports and the connection line between the two eighth connection ports can be The data transmission can be carried out in one place or according to the communication requirements of the USB, and the data transmission can also be carried out at the same time.

As shown in Figure 4 and Figure 5, this data transmission method is suitable for USB3.0 and above versions, wherein the connection line between the two fourth connection ports and the connection line between the two fifth connection ports constitute the receiving The signal differential line, the connection line between the two seventh connection ports and the connection line between the two eighth connection ports constitute the transmission signal differential line. This data transmission method has the advantages of faster data interaction and the like.

The USB connection device of the present utility model uses standard Ethernet cables to transmit USB signals, and the use of Ethernet cables is more flexible than USB cables, and users can make them by themselves according to the selected length. While meeting the USB transmission rate, To a certain extent, the use range of devices using the USB transmission method is extended, and the Ethernet cable can also be connected to the first device and the second device in two ways, a straight line and a crossover line, reflecting that the Ethernet cable variety of connections.

Other embodiments of the invention will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the utility model, which follows the general principles of the utility model and includes common knowledge or common knowledge in the technical field not disclosed by the utility model. conventional technical means. It is intended that the specification and examples be considered exemplary only, with a true scope and spirit of the invention indicated by the appended claims.

It should be understood that the present invention is not limited to the precise structure which has been described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (8)

1. A USB connection device, assembled between the first equipment main board and the second equipment main board, is characterized in that, the USB connection device comprises: a first connector fixedly connected to the main board of the first device; a second connector fixedly connected to the main board of the second device; An Ethernet cable is connected between the first connector and the second connector to implement USB data transmission between the first device and the second device. 2. The USB connection device according to claim 1, wherein the Ethernet cable includes eight connecting wires, and each of the first connector and the second connector includes eight connection ports, so The eight connection lines are connected to the eight connection ports of the first connector and the eight connection ports of the second connector in one-to-one correspondence, and the eight connection lines are defined as 4 pairs of differential Line: the connection line between the two first connection ports and the connection line between the two second connection ports, the connection line between the two third connection ports and the connection line between the two sixth connection ports, The connection line between the two fourth connection ports and the connection line between the two fifth connection ports, the connection line between the two seventh connection ports and the connection line between the two eighth connection ports; Wherein, the two first connection ports and the two second connection ports, the two third connection ports and the two sixth connection ports are power connection ports; the two fourth connection ports The two fifth connection ports, the two seventh connection ports and the two eighth connection ports are data transmission interfaces. 3. The USB connection device according to claim 2, characterized in that, the two first connection ports and the two third connection ports are power interfaces, and the two second connection ports and the two The sixth connecting port is a grounding port. 4. The USB connection device according to claim 3, characterized in that, the first connection port to the eighth connection port in the first connector are respectively the same as those in the second connector. The connection ports are connected. 5. The USB connection device according to claim 3, wherein the first connection port in the first connector is connected to the third connection port in the second connector, and the The third connection port in the first connector is connected to the first connection port in the second connector; the second connection port in the first connector is connected to the second connection port. connected to the sixth connection port in the first connector, and the sixth connection port in the first connector is connected to the second connection port in the second connector; in the first connector The fourth connection port, the fifth connection port, the seventh connection port, and the eighth connection port are respectively connected to corresponding same connection ports in the second connector. 6. The USB connection device according to claim 4 or 5, characterized in that, between the two fourth connection ports, between the two fifth connection ports, and between the two seventh connection ports Between and between the two eighth connection ports, the data is transmitted in a line-to-wire manner; Wherein, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports, the connection line between the two seventh connection ports and the two eighth connection ports The connection lines between the connection ports can be used for data transmission alternatively or simultaneously. 7. The USB connection device according to claim 4 or 5, characterized in that, the connection line between the two fourth connection ports and the connection line between the two fifth connection ports constitute the difference between the received signals The connection line between the two seventh connection ports and the connection line between the two eighth connection ports constitute a transmission signal differential line. 8. The USB connection device according to claim 1, wherein the first device is a main communication device, and the second device is a mobile terminal; or the first device is a mobile terminal, and the second The device is the main communication device.