CN213958055U - Line concentration conversion circuit and line concentration device - Google Patents

Abstract

A hub switching circuit and hub, including network signal switching circuit and first USB switching circuit; when receiving the first wired network signal, the network signal conversion circuit converts the first wired network signal into a first USB3.0 signal; when receiving the second USB3.0 signal, the first USB conversion circuit synthesizes the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal; therefore, the function of receiving wired network signal input is realized in the line concentration conversion circuit.

Description

Line concentration conversion circuit and line concentration device

Technical Field

The application belongs to the field of computer input equipment, and particularly relates to a hub conversion circuit and a hub.

Background

A conventional line concentration conversion circuit includes a first Universal Serial Bus (USB) conversion component and a second USB conversion component; the first USB conversion component converts a plurality of first USB2.0 signals into second USB2.0 signals; the second USB conversion component converts the second USB2.0 signal and the first USB3.0 signal into a second USB3.0 signal when receiving the first USB3.0 signal.

Since the function of the conventional hub converter circuit is limited to the function of the USB hub, it cannot receive the input of the network signal.

SUMMERY OF THE UTILITY MODEL

The present application provides a hub conversion circuit and a hub, which aims to solve the problem that the conventional hub conversion circuit cannot receive network signal input.

The embodiment of the application provides a line concentration converting circuit, including:

a network signal conversion circuit configured to convert a first wired network signal into a first USB3.0 signal when the first wired network signal is received;

the first USB conversion circuit is connected with the network signal conversion circuit and configured to synthesize the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

In one embodiment, the network signal conversion circuit includes:

a network voltage transformation component configured to differentially-mode signal couple the first wired network signal to output a second wired network signal when receiving the first wired network signal;

and the network signal conversion component is connected with the network voltage transformation component and the first USB conversion circuit and is configured to convert the second wired network signal into the first USB3.0 signal.

In one embodiment, the network transformation component comprises a network transformer, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor and a fourth resistor;

the first channel positive input end of the network transformer, the first channel negative input end of the network transformer, the second channel positive input end of the network transformer, the second channel negative input end of the network transformer, the third channel positive input end of the network transformer, the third channel negative input end of the network transformer, the fourth channel positive input end of the network transformer and the fourth channel negative input end of the network transformer jointly form a first wired network signal input end of the network voltage transformation assembly, and the first channel positive output end of the network transformer, the first channel negative output end of the network transformer, the second channel positive output end of the network transformer, the second channel negative output end of the network transformer, the third channel positive output end of the network transformer, the third channel negative input end of the network transformer, the second channel positive input end of the network transformer, the third channel positive input end of the network transformer, the fourth channel positive input end of the network transformer and the fourth channel negative input end of the network transformer jointly form a first wired network signal input end of the network voltage transformation assembly, A third channel negative output end of the network transformer, a fourth channel positive output end of the network transformer and a fourth channel negative output end of the network transformer jointly form a second wired network signal output end of the network transformer assembly, a first end of the first capacitor is connected with a first channel middle tap input end of the network transformer, a second channel middle tap input end of the network transformer, a third channel middle tap input end of the network transformer and a fourth channel middle tap input end of the network transformer, the first channel middle tap output end of the network transformer is connected with a first end of the first resistor, the second channel middle tap output end of the network transformer is connected with a first end of the second resistor, and the third channel middle tap output end of the network transformer is connected with a first end of the third resistor, and a fourth channel center tap output end of the network transformer is connected with a first end of a fourth resistor, a first end of a second capacitor is connected with a second end of the first resistor, a second end of the second resistor, a second end of the third resistor and a second end of the fourth resistor, and the second end of the first capacitor and the second end of the second capacitor are connected to a power ground in common.

In one embodiment, the network signal conversion component includes an ethernet controller, a first common mode filter, and a third capacitor;

a first channel positive data transceiver end of the ethernet controller, a first channel negative data transceiver end of the ethernet controller, a second channel positive data transceiver end of the ethernet controller, a second channel negative data transceiver end of the ethernet controller, a third channel positive data transceiver end of the ethernet controller, a third channel negative data transceiver end of the ethernet controller, a fourth channel positive data transceiver end of the ethernet controller, and a fourth channel negative data transceiver end of the ethernet controller together form a second wired network signal input end of the network signal conversion component, a USB2.0 positive controller data end of the ethernet controller is connected with a first input end of the first common mode filter, a USB2.0 negative data end of the ethernet controller is connected with a second input end of the first common mode filter, the first output end of the first common mode filter, the second output end of the first common mode filter, the USB3.0 positive data receiving end of the ethernet controller, the USB3.0 negative data receiving end of the ethernet controller, the USB3.0 positive data transmitting end of the ethernet controller, and the USB3.0 negative data transmitting end of the ethernet controller together form a first wired network signal output end of the network signal conversion assembly, the power end of the ethernet controller and the first end of the third capacitor are connected to a first power source, and the ground end of the ethernet controller and the second end of the third capacitor are connected to a power ground.

In one embodiment, the method further comprises the following steps:

the second USB conversion circuit is connected with the first USB conversion circuit and is configured to convert a plurality of first USB2.0 signals into second USB2.0 signals when receiving the plurality of first USB2.0 signals;

the first USB conversion circuit is specifically configured to synthesize a second USB2.0 signal, the first USB3.0 signal, and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

In one embodiment, the second USB conversion circuit includes a USB2.0 hub controller, a second common mode filter, and a fourth capacitor;

a first downstream port positive USB signal end of the USB2.0 hub controller and a first downstream port negative USB signal end of the USB2.0 hub controller jointly form a first USB2.0 signal input end of the second USB conversion circuit, a second downstream port positive USB signal end of the USB2.0 hub controller and a second downstream port negative USB signal end of the USB2.0 hub controller jointly form a second first USB2.0 signal input end of the second USB conversion circuit, a third downstream port positive USB signal end of the USB2.0 hub controller and a third downstream port negative USB signal end of the USB2.0 hub controller jointly form a third first USB2.0 signal input end of the second USB conversion circuit, an upstream port positive USB signal end of the USB2.0 hub controller is connected to a first input end of the second common mode filter, and a second port negative USB signal end of the USB2.0 hub controller is connected to a second common mode filter, the first output end of the second common mode filter and the second output end of the second common mode filter jointly form a second USB2.0 signal output end of the second USB conversion circuit, a power supply end of the USB2.0 hub controller and a first end of the fourth capacitor are jointly connected to a second power supply, and a ground end of the USB2.0 hub controller and a second end of the fourth capacitor are jointly connected to a power supply ground.

In one embodiment, the first USB conversion circuit comprises a USB3.0 hub controller;

an uplink port positive USB3.0 signal transmitting data end of the USB3.0 hub controller, an uplink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, an uplink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, an uplink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, an uplink port positive USB2.0 signal data end of the USB3.0 hub control chip and an uplink port negative USB2.0 signal data end of the USB3.0 hub control chip form a third USB3.0 signal output end of the first USB conversion circuit together;

a first downlink port positive USB3.0 signal sending data end of a USB3.0 concentrator control chip, a first downlink port negative USB3.0 signal sending data end of the USB3.0 concentrator control chip, a first downlink port positive USB3.0 signal receiving data end of the USB3.0 concentrator control chip, a first downlink port negative USB3.0 signal receiving data end of the USB3.0 concentrator control chip, a first downlink port positive USB2.0 signal data end of the USB3.0 concentrator control chip and a first downlink port negative USB2.0 signal data end of the USB3.0 concentrator control chip form a first and second USB3.0 signal output end of a first USB conversion circuit together;

a fourth downlink port positive USB3.0 signal transmitting data end of the USB3.0 hub control chip, a fourth downlink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, a fourth downlink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, a fourth downlink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, a fourth downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and a fourth downlink port negative USB2.0 signal data end of the USB3.0 hub control chip form a second USB3.0 signal output end of the first USB conversion circuit together;

a third downlink port positive USB3.0 signal transmitting data end of the USB3.0 hub control chip, a third downlink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, a third downlink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, a third downlink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, a third downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and a third downlink port negative USB2.0 signal data end of the USB3.0 hub control chip form a first USB3.0 signal input end of the first USB conversion circuit together;

the second downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and the second downlink port negative USB2.0 signal data end of the USB3.0 hub control chip jointly form a second USB2.0 signal input end of the first USB conversion circuit.

The embodiment of the utility model provides a still provide a concentrator, the concentrator includes

The first USB interface and the line concentration conversion circuit; the first USB interface is configured to transfer the first handheld USB3.0 signal.

Compared with the prior art, the embodiment of the utility model beneficial effect who exists is: the network signal conversion circuit converts the first wired network signal into a first USB3.0 signal; the first USB conversion circuit realizes the synthesis of the first USB3.0 signal and the second USB3.0 signal, so that the function of receiving wired network signal input is realized in the line concentration conversion circuit.

Drawings

In order to more clearly illustrate the technical utility model in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hub conversion circuit according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a network signal conversion circuit in a hub conversion circuit according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a hub conversion circuit according to an embodiment of the present disclosure;

fig. 4 is a schematic circuit diagram of an example of a hub conversion circuit according to an embodiment of the present disclosure.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 shows a schematic structural diagram of a hub conversion circuit provided in a preferred embodiment of the present application, and for convenience of description, only the parts related to the present embodiment are shown, which are detailed as follows:

the line concentration conversion circuit includes a network signal conversion circuit 11 and a first USB conversion circuit 12.

The network signal conversion circuit 11 is configured to convert the first wired network signal into a first USB3.0 signal when receiving the first wired network signal.

And the first USB conversion circuit 12 is connected with the network signal conversion circuit 11 and configured to synthesize the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

Specifically, the number of the second USB3.0 signals may be one or more, and the hub conversion circuit may further include one or more second USB interfaces. The one or more second USB interfaces are connected to the first USB conversion circuit 12, and configured to transfer one or more second USB3.0 signals. The hub conversion circuit may further include an RJ45 interface, and the RJ45 interface is configured to convert the first wired network signal. The first wired network signal may be an ethernet signal.

As shown in fig. 2, the network signal conversion circuit 11 includes a network voltage transformation component 111 and a network signal conversion component 112.

A network voltage transformation component 111 configured to differentially-mode signal couple the first wired network signal to output a second wired network signal when receiving the first wired network signal;

and a network signal conversion component 112, connected to the network transformation component 111 and the first USB conversion circuit 12, configured to convert the second wired network signal into a first USB3.0 signal.

The network signal conversion circuit 11 comprises the network voltage transformation component 111 and the network signal conversion component 112, so that voltage conversion, isolation and USB signal conversion of the first wired network signal are realized, the line concentration conversion circuit can be accessed to the wired network signal, and the use function of the line concentration conversion circuit is enriched.

As shown in fig. 3, the line concentration conversion circuit further includes a second USB conversion circuit 13.

A second USB conversion circuit 13 connected to the first USB conversion circuit 12 and configured to convert the plurality of first USB2.0 signals into second USB2.0 signals when receiving the plurality of first USB2.0 signals;

the first USB conversion circuit 12 is specifically configured to synthesize the second USB2.0 signal, the first USB3.0 signal, and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

The second USB conversion circuit 13 is used to synthesize a plurality of first USB2.0 signals, so that the hub conversion circuit can access a plurality of USB2.0 signals, and the functions of the hub conversion circuit are enriched.

Fig. 4 shows an example circuit structure of a hub converter circuit provided in an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, and detailed descriptions are as follows:

the network transformer assembly 111 includes a network transformer U1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4.

A first channel positive electrode input end MX1 of the network transformer U1 +, a first channel negative electrode input end MX1 of the network transformer U1-, a second channel positive electrode input end MX2 of the network transformer U1 +, a second channel negative electrode input end MX2 of the network transformer U1-, a third channel positive electrode input end MX3 of the network transformer U1 +, a third channel negative electrode input end MX3 of the network transformer U1-, a fourth channel positive electrode input end MX4+ of the network transformer U1-, and a fourth channel negative electrode input end MX 4-of the network transformer U1 jointly constitute a first wired network signal input end of the network transformer assembly 111, a first channel positive electrode output end TD1 of the network transformer U1 +, a first channel negative electrode output end TD1 of the network transformer U1-, a second channel positive electrode output end TD2 of the network transformer U1 +, a second channel negative electrode output end TD 2-of the network transformer U1, A third-channel positive output terminal TD3+ of the network transformer U1, a third-channel negative output terminal TD 3-of the network transformer U1, a fourth-channel positive output terminal TD4+ of the network transformer U1 and a fourth-channel negative output terminal TD 4-of the network transformer U1 jointly form a second wired network signal output terminal of the network transformer assembly 111, a first terminal of a first capacitor C1 is connected with a first-channel center-tap input terminal MCT1 of the network transformer U1, a second-channel center-tap input terminal MCT2 of the network transformer U1, a third-channel center-tap input terminal MCT3 of the network transformer U1 and a fourth-channel center-tap input terminal MCT4 of the network transformer U1, a first-channel center-tap output terminal TCT1 of the network transformer U1 is connected with a first terminal of a first resistor R1, a second-channel center-tap output terminal TCT2 of the network transformer U1 is connected with a first terminal of a second resistor R2, a third channel center tap output end TCT3 of the network transformer U1 is connected to a first end of a third resistor R3, a fourth channel center tap output end TCT4 of the network transformer U1 is connected to a first end of a fourth resistor R4, a first end of a second capacitor C2 is connected to a second end of the first resistor R1, a second end of the second resistor R2, a second end of the third resistor R3 and a second end of the fourth resistor R4, and a second end of the first capacitor C1 and a second end of the second capacitor C2 are connected to the power ground in common.

The network transformation component 111 comprises a network transformer U1, so that different levels among different network devices connected by network cables are isolated, different voltages are prevented from damaging the line concentration conversion circuit through network cable transmission, and besides, the line concentration conversion circuit can be protected by lightning protection to a certain extent, and the effects of signal coupling, high-voltage isolation, impedance matching, electromagnetic interference suppression and the like are achieved.

The network signal conversion component 112 includes an ethernet controller U2, a first common mode filter L1, and a third capacitor C3.

A first channel positive data transceiver terminal MDIP0 of the ethernet controller U2, a first channel negative data transceiver terminal MDIN0 of the ethernet controller U2, a second channel positive data transceiver terminal MDIP1 of the ethernet controller U2, a second channel negative data transceiver terminal MDIN1 of the ethernet controller U2, a third channel positive data transceiver terminal MDIP2 of the ethernet controller U2, a third channel negative data transceiver terminal MDIN2 of the ethernet controller U2, a fourth channel positive data transceiver terminal MDIP3 of the ethernet controller U2, and a fourth channel negative data transceiver terminal in3 of the ethernet controller U2 together form a second wired network signal input terminal of the network signal conversion module 112, a USB2.0 positive data terminal U2DP of the ethernet controller U2 is connected to a first input terminal of a first common mode filter L1, a USB2.0 negative data terminal U2 in DN of the ethernet controller U5 is connected to a first common mode filter L57324, the first output terminal of the first common mode filter L1, the second output terminal of the first common mode filter L1, the USB3.0 positive data receiving terminal U3SSRXP of the ethernet controller U2, the USB3.0 negative data receiving terminal U3SSRXN of the ethernet controller U2, the USB3.0 positive data transmitting terminal U3SSTXP of the ethernet controller U2, and the USB3.0 negative data transmitting terminal U3SSTXN of the ethernet controller U2 together form a first wired network signal output terminal of the network signal conversion component 112, the power terminal VDD of the ethernet U2 and the first terminal of the third capacitor C3 are connected together to the first power supply VAA, and the ground terminal GND of the ethernet controller U2 and the second terminal of the third capacitor C3 are connected together to the power ground.

The network signal conversion component 112 comprises the ethernet controller U2, so that conversion from the wired network signal to the USB signal is realized, the hub conversion circuit can access the wired network signal, and the use function of the hub conversion circuit is enriched.

The second USB conversion circuit 13 includes a USB2.0 hub controller U3, a second common mode filter L2, and a fourth capacitor C4.

A first downstream port positive USB signal terminal DP1 of the USB2.0 hub controller U3 and a first downstream port negative USB signal terminal DM1 of the USB2.0 hub controller U3 jointly form a first USB2.0 signal input terminal of the second USB conversion circuit 13, a second downstream port positive USB signal terminal DP2 of the USB2.0 hub controller U3 and a second downstream port negative USB signal terminal DM2 of the USB2.0 hub controller U3 jointly form a second first USB2.0 signal input terminal of the second USB conversion circuit 13, a third downstream port positive USB signal terminal DP3 of the USB2.0 hub controller U3 and a third downstream port negative USB signal terminal DM3 of the USB2.0 hub controller U3 jointly form a third first USB2.0 signal input terminal of the second USB conversion circuit 13, an upstream port positive USB signal terminal DP3 of the USB2.0 hub controller U3 and a second downstream port negative USB signal terminal DM3 of the USB2.0 hub controller U3 jointly form a third first USB2.0 signal input terminal of the second USB conversion circuit 13, a common mode signal input terminal dml 8536 of the USB2.0 hub controller U8536 and a common mode filter for controlling the common mode signal input terminal dml of the USB2.0 hub controller U8536, the first output terminal of the second common mode filter L2 and the second output terminal of the second common mode filter L2 together form a second USB2.0 signal output terminal of the second USB conversion circuit 13, the power supply terminal VDD of the USB2.0 hub controller U3 and the first terminal of the fourth capacitor C4 are commonly connected to the second power supply VBB, and the ground terminal GND of the USB2.0 hub controller U3 and the second terminal of the fourth capacitor C4 are commonly connected to the power ground.

The second USB conversion circuit 13 is implemented by the USB2.0 hub controller U3, and the USB2.0 hub controller U3 has the advantages of high integration level and simple and reliable peripheral circuits.

The first USB conversion circuit 12 includes a USB3.0 hub controller U4.

An uplink port positive electrode USB3.0 signal transmitting data end SSTX0 of the USB3.0 hub controller U4, an uplink port negative electrode USB3.0 signal transmitting data end SSTX0 of the USB3.0 hub control chip U4, an uplink port positive electrode USB3.0 signal receiving data end SSRX0 of the USB3.0 hub control chip U4, an uplink port negative electrode USB3.0 signal receiving data end SSRX0 of the USB3.0 hub control chip U4, an uplink port positive electrode USB2.0 signal data end HSD0+ of the USB3.0 hub control chip U4 and an uplink port negative electrode USB2.0 signal data end HSD0 of the USB3.0 hub control chip U4 jointly form a third USB3.0 signal output end of the first USB conversion circuit 12.

The first downlink port positive electrode USB3.0 signal transmitting data end SSTX1+ of the USB3.0 hub control chip U4, the first downlink port negative electrode USB3.0 signal transmitting data end SSTX 1-of the USB3.0 hub control chip U4, the first downlink port positive electrode USB3.0 signal receiving data end SSRX1+ of the USB3.0 hub control chip U4, the first downlink port negative electrode USB3.0 signal receiving data end SSRX 1-of the USB3.0 hub control chip U4, the first downlink port positive electrode USB2.0 signal data end HSD1+ of the USB3.0 hub control chip U5, and the first downlink port negative electrode USB2.0 signal data end HSD 1-of the USB3.0 hub control chip U4 together form a first second USB3.0 signal output end of the first USB conversion circuit 12.

A fourth downlink port positive USB3.0 signal transmission data end SSTX4+ of the USB3.0 hub control chip U4, a fourth downlink port negative USB3.0 signal transmission data end SSTX 4-of the USB3.0 hub control chip U4, a fourth downlink port positive USB3.0 signal reception data end SSRX4+ of the USB3.0 hub control chip U4, a fourth downlink port negative USB3.0 signal reception data end SSRX 4-of the USB3.0 hub control chip U4, a fourth downlink port positive USB2.0 signal data end HSD4+ of the USB3.0 hub control chip U4, and a fourth downlink port negative USB2.0 signal data end HSD 4-of the USB3.0 hub control chip U4 together form a second USB3.0 signal output end of the first USB conversion circuit 12.

A third downstream port positive USB3.0 signal sending data end SSTX3+ of the USB3.0 hub control chip U4, a third downstream port negative USB3.0 signal sending data end SSTX 3-of the USB3.0 hub control chip U4, a third downstream port positive USB3.0 signal receiving data end SSRX3+ of the USB3.0 hub control chip U4, a third downstream port negative USB3.0 signal receiving data end SSRX 3-of the USB3.0 hub control chip U4, a third downstream port positive USB2.0 signal data end HSD3+ of the USB3.0 hub control chip U4, and a third downstream port negative USB2.0 signal data end HSD 3-of the USB3.0 hub control chip U4 jointly form a first USB3.0 signal input end of the first USB conversion circuit 12.

The second USB2.0 signal data terminal HSD2+ of the second downstream port positive electrode of the USB3.0 hub control chip U4 and the second USB2.0 signal data terminal HSD 2-of the second downstream port negative electrode of the USB3.0 hub control chip U4 together form a second USB2.0 signal input terminal of the first USB conversion circuit 12.

The first USB conversion circuit 12 is realized by the USB3.0 hub control chip U4, and since the USB3.0 hub control chip U4 has a plurality of downlink ports, the conversion from a plurality of USB2.0 signals and a plurality of downlink USB3.0 signals to an uplink USB3.0 signal can be realized, and the expansion capability of the line concentration conversion circuit is enhanced.

The description of fig. 4 is further described below in conjunction with the working principle:

a first channel positive input terminal MX1+ of the network transformer U1, a first channel negative input terminal MX 1-of the network transformer U1, a second channel positive input terminal MX 2-of the network transformer U1, a second channel negative input terminal MX 2-of the network transformer U1, a third channel positive input terminal MX 3-of the network transformer U1, a third channel negative input terminal MX 3-of the network transformer U1, a fourth channel positive input terminal MX4+ of the network transformer U1 and a fourth channel negative input terminal MX 4-of the network transformer U1 jointly receive a first wired network signal, the network transformer U1 performs differential mode signal coupling on the first wired network signal to output a second wired network signal and performs differential mode signal coupling from a first channel positive output terminal TD 1-of the network transformer U1, a first channel negative output terminal TD 1-of the network transformer U1, and a second channel positive output terminal TD2+ of the network transformer U1, A second channel negative output terminal TD2 of the network transformer U1, a third channel positive output terminal TD3 of the network transformer U1, a third channel negative output terminal TD3 of the network transformer U1, a fourth channel positive output terminal TD4+ of the network transformer U1, and a fourth channel negative output terminal TD 4-of the network transformer U1.

The first channel positive data transceiver end MDIP0 of the ethernet controller U2, the first channel negative data transceiver end MDIN0 of the ethernet controller U2, the second channel positive data transceiver end MDIP1 of the ethernet controller U2, the second channel negative data transceiver end MDIN1 of the ethernet controller U2, the third channel positive data transceiver end MDIP2 of the ethernet controller U2, the third channel negative data transceiver end MDIN2 of the ethernet controller U2, the fourth channel positive data transceiver end MDIP3 of the ethernet controller U2, and the fourth channel negative data transceiver end MDIN3 of the ethernet controller U2 receive the second wired network signal, the ethernet controller U2 converts the second wired network signal into the first USB3.0 signal and receives the second wired network signal from the USB2.0 positive data terminal U2DP of the ethernet controller U2, the USB2.0 negative data terminal U2 ss2U DN of the ethernet controller U5, the USB3 receiving end rxp 5730.3.rxp of the ethernet controller U2, A USB3.0 negative data receiving terminal U3SSRXN of the ethernet controller U2, a USB3.0 positive data transmitting terminal U3SSTXP of the ethernet controller U2, and a USB3.0 negative data transmitting terminal U3SSTXN of the ethernet controller U2.

A first downstream port positive USB signal terminal DP1 of the USB2.0 hub controller U3 and a first downstream port negative USB signal terminal DM1 of the USB2.0 hub controller U3 commonly receive a first USB2.0 signal, a second downstream port positive USB signal terminal DP2 of the USB2.0 hub controller U3 and a second downstream port negative USB signal terminal DM2 of the USB2.0 hub controller U3 commonly receive a second first USB2.0 signal, a third downstream port positive USB signal terminal DP3 of the USB2.0 hub controller U3 and a third downstream port negative USB signal terminal DM3 of the USB2.0 hub controller U3 commonly receive a third USB2.0 signal, the USB2.0 hub controller U3 converts the plurality of first USB2.0 signals into a second USB2.0 signal and outputs a USB2.0 signal from a USB2.0 hub controller U3 and a USB2.0 hub U DPU 3 of the USB2.0 hub controller U3683.

A first downlink port positive electrode USB3.0 signal sending data end SSTX1+ of the USB3.0 hub control chip U4, a first downlink port negative electrode USB3.0 signal sending data end SSTX 1-of the USB3.0 hub control chip U4, a first downlink port positive electrode USB3.0 signal receiving data end SSRX1+ of the USB3.0 hub control chip U4, a first downlink port negative electrode USB3.0 signal receiving data end SSRX 1-of the USB3.0 hub control chip U5, a first downlink port positive electrode USB2.0 signal data end HSD1+ of the USB3.0 hub control chip U4, and a first downlink port negative electrode USB2.0 signal data end HSD 1-of the USB3.0 hub control chip U4 receive a first second USB3.0 signal together.

A fourth downlink port positive USB3.0 signal transmission data terminal SSTX4+ of the USB3.0 hub control chip U4, a fourth downlink port negative USB3.0 signal transmission data terminal SSTX 4-of the USB3.0 hub control chip U4, a fourth downlink port positive USB3.0 signal reception data terminal SSRX4+ of the USB3.0 hub control chip U4, a fourth downlink port negative USB3.0 signal reception data terminal SSRX 4-of the USB3.0 hub control chip U4, a fourth downlink port positive USB2.0 signal data terminal HSD4+ of the USB3.0 hub control chip U4, and a fourth downlink port negative USB2.0 signal data terminal HSD 4-of the USB3.0 hub control chip U4 receive a second USB3.0 signal together.

A third downstream port positive USB3.0 signal sending data end SSTX3+ of the USB3.0 hub control chip U4, a third downstream port negative USB3.0 signal sending data end SSTX 3-of the USB3.0 hub control chip U4, a third downstream port positive USB3.0 signal receiving data end SSRX3+ of the USB3.0 hub control chip U4, a third downstream port negative USB3.0 signal receiving data end SSRX 3-of the USB3.0 hub control chip U4, a third downstream port positive USB2.0 signal data end HSD3+ of the USB3.0 hub control chip U4, and a third downstream port negative USB2.0 signal data end HSD 3-of the USB3.0 hub control chip U4 receive the first USB3.0 signal together.

The second USB2.0 signal data terminal HSD2+ of the second downstream port positive USB2.0 signal data terminal of the USB3.0 hub controller chip U4 and the second USB2.0 signal data terminal HSD 2-of the second downstream port negative USB2.0 signal data terminal of the USB3.0 hub controller chip U4 jointly receive the second USB2.0 signal.

The USB3.0 hub control chip U4 synthesizes the second USB2.0 signal, the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal, and outputs a third USB3.0 signal from the USB3.0 hub controller U4, the uplink port positive USB3.0 signal transmission data terminal SSTX0+, the uplink port negative USB3.0 signal transmission data terminal SSTX0 of the USB3.0 hub control chip U4, the uplink port positive USB3.0 signal reception data terminal SSRX0 of the USB3.0 hub control chip U4, the uplink port negative USB3.0 signal reception data terminal SSRX0 of the USB3.0 hub control chip U4, the uplink port positive USB2.0 signal data terminal HSD0+ of the USB3.0 hub control chip U4, and the uplink port negative USB2.0 signal data terminal HSD 0-of the USB3.0 hub control chip U4.

The embodiment of the utility model provides a still provide a concentrator, concentrator include the first USB interface with as above-mentioned line concentration converting circuit; the first USB interface is configured to transfer the second USB3.0 signal.

The embodiment of the utility model provides a through network signal conversion circuit when receiving first wired network signal, convert first wired network signal into first USB3.0 signal; when receiving the second USB3.0 signal, the first USB conversion circuit synthesizes the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal; therefore, the function of receiving wired network signal input is realized in the line concentration conversion circuit.

It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (8)

1. A hub conversion circuit, comprising:

a network signal conversion circuit configured to convert a first wired network signal into a first USB3.0 signal when the first wired network signal is received;

the first USB conversion circuit is connected with the network signal conversion circuit and configured to synthesize the first USB3.0 signal and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

2. The hub translation circuit of claim 1, wherein the network signal translation circuit comprises:

a network voltage transformation component configured to differentially-mode signal couple the first wired network signal to output a second wired network signal when receiving the first wired network signal;

and the network signal conversion component is connected with the network voltage transformation component and the first USB conversion circuit and is configured to convert the second wired network signal into the first USB3.0 signal.

3. The hub switching circuit of claim 2, wherein the network transformer component comprises a network transformer, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, and a fourth resistor;

the first channel positive input end of the network transformer, the first channel negative input end of the network transformer, the second channel positive input end of the network transformer, the second channel negative input end of the network transformer, the third channel positive input end of the network transformer, the third channel negative input end of the network transformer, the fourth channel positive input end of the network transformer and the fourth channel negative input end of the network transformer jointly form a first wired network signal input end of the network voltage transformation assembly, and the first channel positive output end of the network transformer, the first channel negative output end of the network transformer, the second channel positive output end of the network transformer, the second channel negative output end of the network transformer, the third channel positive output end of the network transformer, the third channel negative input end of the network transformer, the second channel positive input end of the network transformer, the third channel positive input end of the network transformer, the fourth channel positive input end of the network transformer and the fourth channel negative input end of the network transformer jointly form a first wired network signal input end of the network voltage transformation assembly, A third channel negative output end of the network transformer, a fourth channel positive output end of the network transformer and a fourth channel negative output end of the network transformer jointly form a second wired network signal output end of the network transformer assembly, a first end of the first capacitor is connected with a first channel middle tap input end of the network transformer, a second channel middle tap input end of the network transformer, a third channel middle tap input end of the network transformer and a fourth channel middle tap input end of the network transformer, the first channel middle tap output end of the network transformer is connected with a first end of the first resistor, the second channel middle tap output end of the network transformer is connected with a first end of the second resistor, and the third channel middle tap output end of the network transformer is connected with a first end of the third resistor, and a fourth channel center tap output end of the network transformer is connected with a first end of a fourth resistor, a first end of a second capacitor is connected with a second end of the first resistor, a second end of the second resistor, a second end of the third resistor and a second end of the fourth resistor, and the second end of the first capacitor and the second end of the second capacitor are connected to a power ground in common.

4. The hub conversion circuit of claim 2, wherein the network signal conversion component comprises an ethernet controller, a first common mode filter, and a third capacitor;

a first channel positive data transceiver end of the ethernet controller, a first channel negative data transceiver end of the ethernet controller, a second channel positive data transceiver end of the ethernet controller, a second channel negative data transceiver end of the ethernet controller, a third channel positive data transceiver end of the ethernet controller, a third channel negative data transceiver end of the ethernet controller, a fourth channel positive data transceiver end of the ethernet controller, and a fourth channel negative data transceiver end of the ethernet controller together form a second wired network signal input end of the network signal conversion component, a USB2.0 positive controller data end of the ethernet controller is connected with a first input end of the first common mode filter, a USB2.0 negative data end of the ethernet controller is connected with a second input end of the first common mode filter, the first output end of the first common mode filter, the second output end of the first common mode filter, the USB3.0 positive data receiving end of the ethernet controller, the USB3.0 negative data receiving end of the ethernet controller, the USB3.0 positive data transmitting end of the ethernet controller, and the USB3.0 negative data transmitting end of the ethernet controller together form a first wired network signal output end of the network signal conversion assembly, the power end of the ethernet controller and the first end of the third capacitor are connected to a first power source, and the ground end of the ethernet controller and the second end of the third capacitor are connected to a power ground.

5. The hub translation circuit of claim 1, further comprising:

the second USB conversion circuit is connected with the first USB conversion circuit and is configured to convert a plurality of first USB2.0 signals into second USB2.0 signals when receiving the plurality of first USB2.0 signals;

the first USB conversion circuit is specifically configured to synthesize a second USB2.0 signal, the first USB3.0 signal, and the second USB3.0 signal into a third USB3.0 signal when receiving the second USB3.0 signal.

6. The hub conversion circuit of claim 5, wherein the second USB conversion circuit comprises a USB2.0 hub controller, a second common mode filter, and a fourth capacitor;

a first downstream port positive USB signal end of the USB2.0 hub controller and a first downstream port negative USB signal end of the USB2.0 hub controller jointly form a first USB2.0 signal input end of the second USB conversion circuit, a second downstream port positive USB signal end of the USB2.0 hub controller and a second downstream port negative USB signal end of the USB2.0 hub controller jointly form a second first USB2.0 signal input end of the second USB conversion circuit, a third downstream port positive USB signal end of the USB2.0 hub controller and a third downstream port negative USB signal end of the USB2.0 hub controller jointly form a third first USB2.0 signal input end of the second USB conversion circuit, an upstream port positive USB signal end of the USB2.0 hub controller is connected to a first input end of the second common mode filter, and a second upstream port negative USB signal end of the USB2.0 hub controller is connected to a second common mode filter, the first output end of the second common mode filter and the second output end of the second common mode filter jointly form a second USB2.0 signal output end of the second USB conversion circuit, a power supply end of the USB2.0 hub controller and a first end of the fourth capacitor are jointly connected to a second power supply, and a ground end of the USB2.0 hub controller and a second end of the fourth capacitor are jointly connected to a power supply ground.

7. The hub translation circuit of claim 1, wherein the first USB translation circuit comprises a USB3.0 hub controller;

an uplink port positive USB3.0 signal transmitting data end of the USB3.0 hub controller, an uplink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, an uplink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, an uplink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, an uplink port positive USB2.0 signal data end of the USB3.0 hub control chip and an uplink port negative USB2.0 signal data end of the USB3.0 hub control chip form a third USB3.0 signal output end of the first USB conversion circuit together;

a first downlink port positive USB3.0 signal sending data end of a USB3.0 concentrator control chip, a first downlink port negative USB3.0 signal sending data end of the USB3.0 concentrator control chip, a first downlink port positive USB3.0 signal receiving data end of the USB3.0 concentrator control chip, a first downlink port negative USB3.0 signal receiving data end of the USB3.0 concentrator control chip, a first downlink port positive USB2.0 signal data end of the USB3.0 concentrator control chip and a first downlink port negative USB2.0 signal data end of the USB3.0 concentrator control chip form a first and second USB3.0 signal output end of a first USB conversion circuit together;

a fourth downlink port positive USB3.0 signal transmitting data end of the USB3.0 hub control chip, a fourth downlink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, a fourth downlink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, a fourth downlink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, a fourth downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and a fourth downlink port negative USB2.0 signal data end of the USB3.0 hub control chip form a second USB3.0 signal output end of the first USB conversion circuit together;

a third downlink port positive USB3.0 signal transmitting data end of the USB3.0 hub control chip, a third downlink port negative USB3.0 signal transmitting data end of the USB3.0 hub control chip, a third downlink port positive USB3.0 signal receiving data end of the USB3.0 hub control chip, a third downlink port negative USB3.0 signal receiving data end of the USB3.0 hub control chip, a third downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and a third downlink port negative USB2.0 signal data end of the USB3.0 hub control chip form a first USB3.0 signal input end of the first USB conversion circuit together;

the second downlink port positive USB2.0 signal data end of the USB3.0 hub control chip and the second downlink port negative USB2.0 signal data end of the USB3.0 hub control chip jointly form a second USB2.0 signal input end of the first USB conversion circuit.

8. A hub, the hub comprising:

the hub conversion circuit according to any one of claims 1 to 7; and

a first USB interface configured to interface the third USB3.0 signal.

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