CN212989984U - Docking station with POE function - Google Patents

Abstract

The utility model discloses a docking station with POE function, include: the docking station comprises a docking station main body, a USB-to-Ethernet controller and a POE (power over Ethernet) interface module, wherein the first Type-c USB interface is expanded into a plurality of USB interfaces through a USB expansion circuit on the docking station main body; the USB-to-Ethernet controller converts USB protocol data output by a USB interface of the USB expansion circuit into Ethernet protocol data; the POE interface module is used for being connected with POE Ethernet equipment to be connected intelligent equipment on the docking station main part is connected to the ethernet, and is passed through POE Ethernet equipment is USB expansion circuit and connection are in the equipment power supply and/or charge on the docking station main part. Therefore, the wired connection and power supply of the internet of the intelligent equipment can be realized.

Description

Docking station with POE function

Technical Field

The utility model relates to a docking station technical field especially relates to a docking station with POE function.

Background

Because products of the existing electronic equipment such as ultrathin notebooks, mobile phones or tablet computers pursue design concepts of portability, thinness and beauty, a small interface is adopted as an external interface. The conventional interfaces such as hdmi (high Definition Multimedia interface), vga (video Graphics array), dp (display port), lan (local Area network), USB a are too thick, and thus are not compatible with the conventional design concepts such as portability, thinness, and beauty. In newly produced ultrathin notebooks, mobile phones or tablet computers and other devices, interfaces such as external HDMI, VGA, DP (Display Port), LAN, USB A and the like do not exist, and only a Type-c interface with stronger function is adopted as a data, audio and video and power supply interface; because each interface is in a transitional updating stage, the USB equipment and the audio and video equipment related to reading, writing and communication, such as a USB disk, a USB mouse, a keyboard and the like in the current market still keep the original interface.

In addition, in some application occasions, wireless signals may not exist, and the connection of the internet can be realized only through wired signals, at this time, only the only external interface of the electronic device such as an ultra-thin notebook, a mobile phone or a tablet computer needs to be expanded to realize the wired connection of the internet, and particularly when the machine room routing device is debugged, on one hand, wired network connection is needed, and on the other hand, the ultra-thin notebook needs to be powered during the debugging process of the device.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a docking station with POE function.

In order to achieve the above object, according to the utility model provides a docking station with POE function, docking station with POE function includes:

the docking station comprises a docking station main body, wherein a first Type-c USB interface and a USB expansion circuit are arranged on the docking station main body, and the USB expansion circuit is connected with the first Type-c USB interface so as to expand the first Type-c USB interface into a plurality of USB interfaces;

power over ethernet POE interface module, power over ethernet POE interface module is used for being connected with POE ethernet equipment, and passes through POE ethernet equipment is USB expander circuit and connection are in the equipment power supply and/or charge on the docking station main part.

Further, according to the utility model discloses an embodiment, power over ethernet POE interface module includes:

an Ethernet POE interface;

the alternating current-direct current conversion module, alternating current-direct current conversion module with ethernet POE interface connection to with the POE power conversion that ethernet POE interface introduced becomes steady voltage direct current.

Further, according to the utility model discloses an embodiment, the alternating current-direct current conversion module includes:

the first rectifier bridge circuit is connected with a first path of power supply leading-in end of the Ethernet POE interface so as to convert a first path of POE power supply led in by the Ethernet POE interface into direct current;

the second rectifier bridge circuit is connected with a second path of power supply lead-in end of the POE interface so as to convert the second path of POE power supply lead-in end of the POE interface into direct current;

and the voltage stabilizing filter circuit is respectively connected with the first rectifier bridge circuit and the second rectifier bridge circuit so as to output the two paths of direct current after voltage stabilizing and filtering.

Further, according to an embodiment of the present invention, the docking station with POE function further includes:

the USB-to-Ethernet controller is connected with the USB expansion circuit so as to convert USB protocol data output by a USB interface of the USB expansion circuit into Ethernet protocol data;

and the Ethernet interface is connected with the USB-to-Ethernet controller and is also used for being connected with an Ethernet device so as to connect the intelligent device connected to the docking station main body to the Ethernet.

Further, according to an embodiment of the present invention, the POE interface module is further connected to the USB to ethernet controller, so as to connect the smart device connected to the docking station main body to ethernet;

further, according to an embodiment of the present invention, the USB expansion circuit includes:

the USB expansion controller is connected with the first Type-c USB interface;

the first USB interface is connected with the USB expansion controller;

the second USB interface is connected with the USB expansion controller;

and the third USB interface is connected with the USB expansion controller.

Further, according to an embodiment of the present invention, the first USB interface, the second USB interface, and the third SB interface are USB3.0 interfaces, respectively.

Further, according to an embodiment of the present invention, the extended circuit board further includes a USB host controller, and the USB host controller is connected to the USB extended controller to extend another Type-c USB interface;

fill soon/DC power supply switching circuit, fill soon/DC power supply switching circuit respectively with first Type-c Type USB interface and second Type-c Type USB interface connection to with the input power conversion back of first Type-c Type USB interface or second Type-c Type USB interface, for setting up equipment and the extension circuit power supply on first Type-c Type USB interface or the second Type-c Type USB interface.

Further, according to the utility model discloses an embodiment, USB expander circuit still includes:

the first USB power supply conversion control circuit is respectively connected with the USB expansion controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to USB equipment on the first USB interface after voltage conversion is carried out on an input power supply of the first Type-c Type USB interface or the second Type-c Type USB interface;

the second USB power supply conversion control circuit is respectively connected with the USB expansion controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to USB equipment on the second USB interface after voltage conversion is carried out on an input power supply of the first Type-c Type USB interface or the second Type-c Type USB interface;

and the third USB power supply conversion control circuit is respectively connected with the USB extended controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to the USB equipment on the third USB interface after voltage conversion is carried out on the input power of the first Type-c Type USB interface or the second Type-c Type USB interface.

The docking station with the POE function provided by the embodiment of the utility model expands the first Type-c USB interface into a plurality of USB interfaces through the USB expansion circuit; the USB-to-Ethernet controller converts USB protocol data output by a USB interface of the USB expansion circuit into Ethernet protocol data; the POE interface module is used for being connected with POE Ethernet equipment to be connected intelligent equipment on the docking station main part is connected to the ethernet, and is passed through POE Ethernet equipment is USB expansion circuit and connection are in the equipment power supply and/or charge on the docking station main part. Therefore, on one hand, when the intelligent device cannot be connected with a wireless network, the intelligent device can be connected to the Ethernet through the POE interface module of the POE docking station with the POE function, so that the intelligent device can be connected with the Internet through the Ethernet; on the other hand, the power supply of the POE power supply device can be introduced through the POE interface module for power supply over ethernet, so as to supply power and/or charge the device connected to the docking station main body, thereby facilitating the use of the user. Especially for power supply and networking when debugging equipment in a machine room of the switch.

Drawings

Fig. 1 is a schematic diagram of a connection circuit structure between a docking station with a POE function and a POE ethernet device according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a circuit structure of a docking station with POE function according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a POE interface module for power over ethernet according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a circuit structure of a USB-to-ethernet controller and an ethernet interface according to an embodiment of the present invention;

fig. 5 is a schematic circuit structure diagram of a dc voltage conversion module in a POE interface module of power over ethernet according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a USB expansion controller, a first USB interface, a second USB interface, and a third USB interface according to an embodiment of the present invention;

fig. 7 shows a fast charging/dc power supply switching circuit provided by an embodiment of the present invention

A schematic structural diagram;

fig. 8 is a schematic structural view of a first USB power supply conversion control circuit, a second USB power supply conversion control circuit and a third USB power supply conversion control circuit provided in an embodiment of the present invention

Fig. 9 is a schematic view of an application scenario of a docking station with POE function provided by the embodiment of the present invention.

Reference numerals:

a POE-enabled docking station 10;

a first Type-c USB interface 101;

a USB expansion circuit 102;

a USB expansion controller 1021;

a first USB interface 1022;

a second USB interface 1023;

a third USB interface 1024;

a fourth USB interface 1025;

a USB power supply conversion control circuit 1026;

a first USB power conversion control circuit 10261;

a second USB power conversion control circuit 10262;

a third USB power conversion control circuit 10263;

an Ethernet module 103;

USB to ethernet controller 10301;

an Ethernet interface 1031;

a power over ethernet POE interface module 1032;

an ethernet POE interface 10321;

an ac-dc conversion module 10322;

a first rectifier bridge circuit 103221;

a second rectifier bridge circuit 103222;

a voltage stabilizing filter circuit 103223;

a dc voltage step-down circuit 10323;

a dc voltage conversion module 1033;

a first voltage conversion circuit 10331;

a second voltage conversion circuit 10332;

a first power supply control circuit 10333;

a second power supply control circuit 10334;

a quick charge/dc supply switching circuit 104;

a USB host controller 105;

a second Type-c USB interface 106;

type-c changes to HDMI controller 107;

an HDMI interface 1071;

POE ethernet device 20;

a smart device (PC) 30.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention provides a docking station with POE function, including: the docking station comprises a docking station main body, a USB-to-Ethernet controller 10301 and a POE (power over Ethernet) interface module 1032, wherein the docking station main body is provided with a first Type-c USB interface 101 and a USB expansion circuit 102, and the USB expansion circuit 102 is connected with the first Type-c USB interface 101 so as to expand the first Type-c USB interface 101 into a plurality of USB interfaces; as shown in fig. 2, the first Type-c USB interface 101 may be extended by the USB extension circuit 102 to multiple USB interfaces for connecting other USB devices. For example, an electronic device having a USB interface such as a mouse, a keyboard, or a USB disk.

The USB to ethernet controller 10301 is connected to the USB expansion circuit 102 to convert USB protocol data output from a USB interface of the USB expansion circuit 102 into ethernet protocol data; as shown in fig. 2 and 4, the USB to ethernet controller 10301 is connected to the smart device 30 connected to the first Type-c USB interface 101 through a USB extension interface on the USB extension circuit 102, so as to extend one external USB interface on the smart device 30 into multiple ones.

The POE over ethernet interface module 1032 is connected to the USB to ethernet controller 10301, and the POE over ethernet interface module 1032 is further configured to connect to the POE ethernet device 20, so as to connect the smart device 30 connected to the docking station main body to the ethernet, and to supply power and/or charge the USB expansion circuit 102 and the devices connected to the docking station main body through the POE ethernet device. As shown in fig. 1 and 3, the POE over ethernet interface module 1032 can be connected to the POE ethernet device 20, so as to obtain the power supply through the POE ethernet device 20, and transmit the obtained power supply to the docking main body through the POE over ethernet interface module 1032, so as to supply power to the docking main body and the smart device 30 disposed on the docking main body. So, convenience of customers's use, especially when switch computer lab debugging equipment, on the one hand need come expansion interface through docking station, and on the other hand, the power supply and the networking of needs use, very big convenience of customers's use.

The docking station with the POE function provided by the embodiment of the present invention expands the first Type-c USB interface 101 into a plurality of USB interfaces through the USB expansion circuit 102; the USB to ethernet controller 10301 converts USB protocol data output from a USB interface of the USB expansion circuit 102 into ethernet protocol data; the POE over ethernet interface module 1032 is used to connect with the POE ethernet device 20, to connect the smart device 30 connected to the docking main body to ethernet, and to supply power and/or charge the USB expansion circuit 102 and the devices connected to the docking main body through the POE ethernet device. Thus, on one hand, when the smart device 30 cannot connect to a wireless network, the smart device can be connected to the ethernet through the POE interface module 1032 of the POE-enabled docking station, so as to connect to the internet through the ethernet; on the other hand, the POE interface module 1032 can be used for introducing the power of the POE power supply device, so as to supply power and/or charge the device connected to the docking station main body, thereby facilitating the use of the user. Especially for power supply and networking when debugging equipment in a machine room of the switch.

Referring to fig. 1 and 2, the POE interface module includes: ethernet POE interface 10321 and alternating current-direct current conversion module 10322, through ethernet POE interface 10321 can be connected with POE ethernet equipment 20 to obtain power supply through POE ethernet equipment 20, and pass through the transmission of ethernet power supply POE interface module 1032 with the power supply who obtains alternating current-direct current conversion module 10322.

The ac/dc conversion module 10322 is connected to the POE interface 10321, so as to convert a POE power source introduced by the POE interface 10321 into a regulated dc power. As shown in fig. 3, after the power supply introduced by the POE interface 10321 is converted into a regulated dc power by the ac/dc conversion module 10322, the main body of the docking station and the devices connected to the docking station supply power. After the power is output by the ac/dc conversion module 10322, the voltage can be reduced by the dc voltage reduction circuit 10323, and then the voltage is output to power or charge the docking station and the devices connected to the docking station.

Referring to fig. 3, the ac/dc conversion module 10322 includes: the first rectifier bridge circuit 103221 is connected to a first path of power supply lead-in end of the POE over ethernet interface 10321, so as to convert a first path of POE power supply lead-in end of the POE over ethernet interface 10321 into direct current; as shown in fig. 3, the first rectifier bridge circuit 103221 may rectify the power signal introduced by the POE interface 10321 and output the rectified power signal as a dc power.

The second rectifier bridge circuit 103222 is connected to the second POE power inlet of the POE interface 10321, so as to convert the second POE power introduced by the POE interface 10321 into dc power; as shown in fig. 3, the second rectifier bridge circuit 103222 may rectify the power signal introduced by the POE interface 10321 and output the rectified power signal as a dc power.

The voltage stabilizing and filtering circuit 103223 is respectively connected with the first rectifier bridge circuit 103221 and the second rectifier bridge circuit 103222 to stabilize and filter two paths of direct current and then output the two paths of direct current. The dc power rectified by the first rectifier bridge circuit 103221 and the second rectifier bridge circuit 103222 has a large ripple or interference signal, which can be filtered by the voltage stabilizing filter circuit 103223 to output a stable power supply to power the docking station and the devices connected to the docking station.

Referring to fig. 4, the docking station with POE function further includes an ethernet interface 1031, the ethernet interface 1031 is connected to the USB-to-ethernet controller 10301, and the ethernet interface 1031 is further used for connecting to an ethernet device to connect the smart device 30 connected to the docking station main body to the ethernet. As shown in fig. 4, that is, through two ethernet interfaces 1031, a user may select either one of the interfaces to connect to the internet, through the ethernet interface 1031 to connect to a general router, and through the general router to connect to the internet, so as to facilitate the networking work of the user without a wireless network. The POE over ethernet interface module 1032 can be connected to ethernet and can also provide power to the smart device 30 on the docking station main body. The method can be used for connecting the power supply router on the machine room. Meanwhile, the two interfaces can be conveniently and selectively connected.

Referring to fig. 5, the POE interface module further includes a dc voltage conversion module 1033, where the dc voltage conversion module 1033 is connected to the POE interface module 1032 for converting the voltage of the dc power output by the POE interface module 1032. As shown in fig. 5, the dc voltage output by the POE interface module 1032 can be converted into the supply voltage of the smart device 30 or the supply voltage of the docking station by the dc voltage conversion module 1033, so as to supply power to the smart device 30 and the docking station. The power supply output by the POE over ethernet interface module 1032 is generally 48V. At this time, the 48V power supply needs to be converted into one power supply. For example, a direct current voltage of 3.3V, 5V, or 1.2V.

Referring to fig. 5, the dc voltage conversion module 1033 includes: a first voltage conversion circuit 10331 and a second voltage conversion circuit 10332, where the first voltage conversion circuit 10331 is connected to the POE over ethernet interface module 1032 to convert the dc power output by the POE over ethernet interface module 1032 into a first power supply voltage; as shown in fig. 5, the first supply voltage is 5V.

The second voltage conversion circuit 10332 is connected to the first voltage conversion circuit 10331 to convert the voltage into the second power supply voltage and the third power supply voltage. As shown in fig. 5, the chip U4 on the dc voltage conversion module 1033 may convert the input power voltage into two power supply voltage outputs, one is a 3.3V dc voltage output, and the other is a 1.2V output.

Referring to fig. 5, the dc voltage conversion module 1033 further includes: a first power supply control circuit 10333 and a second power supply control circuit 10334, where the first power supply control circuit 10333 is respectively connected to the USB expansion circuit 102, the second power supply voltage, and the USB to ethernet controller 10301, so as to perform power supply switch control on the second power supply voltage through the USB expansion circuit 102; as shown in fig. 5, a control signal PWREN3 may be transmitted to the first power supply control circuit 10333 through the USB expansion circuit 102 to perform power supply switching control of the second power supply voltage. For example, when the control signal PWREN3 is high, the transistor Q4 is turned on, and the transistor Q2 is also turned on. At this time, the power source DV1V1 outputs.

The second power supply control circuit 10334 is connected to the USB expansion circuit 102, the third power supply voltage, and the USB to ethernet controller 10301, respectively, so as to perform power supply switching control on the third power supply voltage through the USB expansion circuit 102. As shown in fig. 5, a control signal PWREN4 may be transmitted to the first power supply control circuit 10333 through the USB expansion circuit 102 to perform power supply switching control of the third power supply voltage. For example, when the control signal PWREN4 is high, the transistor Q3 is turned on, and the transistor Q1 is also turned on. At this time, the power source DV3V3 outputs.

The output of the second power supply voltage and the third power supply voltage can be controlled by the first power supply control circuit 10333 and the second power supply control circuit 10334, and since the first power supply control circuit 10333 and the second power supply control circuit 10334 respectively supply power to the USB to ethernet controller 10301, the power supply can be cut off when the USB to ethernet controller 10301 is not needed, so as to save power.

Referring to fig. 6, the USB expansion circuit 102 includes: the USB expansion controller 1021, the first USB interface 1022, the second USB interface 1023 and the third USB interface 1024, wherein the USB expansion controller 1021 is connected with the first Type-c Type USB interface 101; the first USB interface 1022 is connected to the USB expansion controller 1021; the second USB interface 1023 is connected to the USB expansion controller 1021; the third USB interface 1024 is connected to the USB expansion controller 1021; as shown in fig. 6, one USB interface may be expanded into four interfaces by the USB expansion controller U8(1021), three of which are externally led out for connecting peripheral devices. And the other is connected to a USB to ethernet controller 10301 to implement a wired internet function. In the first embodiment of the present invention, the first USB interface 1022, the second USB interface 1023 and the third USB interface are USB3.0 interfaces respectively. In addition, part of the interface may be a USB2.0 interface.

Referring to fig. 2 and 7, the extended circuit board further includes a USB host controller 105 and a fast charging/dc power switching circuit 104, the USB host controller 105 is connected to a USB extended controller 1021 to extend another Type-c USB interface; as shown in fig. 2, the extended USB3.0 interface may be extended out as another Type-c USB interface by the USB host controller 105 to connect with a charging device, to introduce a charging power source, to power the docking station and the smart device 30 or other devices connected to the docking station.

As shown in fig. 7, the fast charging/dc power switching circuit 104 is respectively connected to the first Type-c USB interface 101 and the second Type-c USB interface 106, so as to convert the input power of the first Type-c USB interface 101 or the second Type-c USB interface 106 and supply power to the devices and the extension circuits disposed on the first Type-c USB interface 101 or the second Type-c USB interface 106. As shown in fig. 2 and fig. 7, the fast charging/dc power switching circuit 104 can selectively output two power supplies to realize switching of the circuit, that is, to select one of the two power supplies to supply power. The POE power supply for power over ethernet can also be input to the fast charging/dc power supply switching circuit 104 through the change-over switch after passing through the conversion of the dc power supply conversion module to supply power for the smart device 30 and the extension circuit disposed on the first Type-c USB interface 101 through the fast charging/dc power supply switching circuit 104.

Referring to fig. 8, the USB expansion circuit 102 further includes: the USB power supply switching control circuit comprises a first USB power supply switching control circuit 10261, a second USB power supply switching control circuit 10262 and a third USB power supply switching control circuit 10263, wherein the first USB power supply switching control circuit 10261 is respectively connected with the USB expansion controller 1021, the fast charging power supply switching circuit, the first Type-c USB interface 101 or the second Type-c USB interface 106, so as to supply power to the USB device on the first USB interface 1022 after performing voltage conversion on the input power of the first Type-c USB interface 101 or the second Type-c USB interface 106; as shown in fig. 8, the switching of the first USB power supply switching control circuit 10261 may be controlled by the DP4_ PWR signal output from the USB expansion controller 1021 to realize the turn-off operation of the power supply when power supply to the external USB device is not required.

The second USB power conversion control circuit 10262 is respectively connected to the USB expansion controller 1021, the fast charging and power switching circuit, the first Type-c USB interface 101, or the second Type-c USB interface 106, so as to perform voltage conversion on the input power of the first Type-c USB interface 101 or the second Type-c USB interface 106, and then supply power to the USB device on the second USB interface 1023; as shown in fig. 8, the switching of the second USB power supply switching control circuit 10262 may be controlled by the DP2_ PWR signal output from the USB expansion controller 1021 to realize the turn-off operation of the power supply when power supply to the external USB device is not required.

The third USB power conversion control circuit 10263 is respectively connected to the USB expansion controller 1021, the fast charging and power switching circuit, the first Type-c USB interface 101, or the second Type-c USB interface 106, so as to perform voltage conversion on the input power of the first Type-c USB interface 101 or the second Type-c USB interface 106, and then supply power to the USB device on the third USB interface 1024. As shown in fig. 8, the switching of the third USB power supply switching control circuit 10263 may be controlled by the DP3_ PWR signal output from the USB expansion controller 1021 to realize the off operation of the power supply when power supply to the external USB device is not required.

Referring to fig. 9, fig. 9 is a schematic view of an application scenario of a docking station with POE function according to an embodiment of the present invention. The docking station can be connected with each external device to realize power supply and interface expansion.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (9)

1. A POE-enabled docking station, comprising:

the docking station comprises a docking station main body, wherein a first Type-c USB interface and a USB expansion circuit are arranged on the docking station main body, and the USB expansion circuit is connected with the first Type-c USB interface so as to expand the first Type-c USB interface into a plurality of USB interfaces;

power over ethernet POE interface module, power over ethernet POE interface module is used for being connected with POE ethernet equipment, and passes through POE ethernet equipment is USB expander circuit and connection are in the equipment power supply and/or charge on the docking station main part.

2. The POE-enabled docking station of claim 1, wherein the POE over Ethernet interface module comprises:

an Ethernet POE interface;

the alternating current-direct current conversion module, alternating current-direct current conversion module with ethernet POE interface connection to with the POE power conversion that ethernet POE interface introduced becomes steady voltage direct current.

3. The POE-enabled docking station of claim 2, wherein the AC/DC conversion module comprises:

the first rectifier bridge circuit is connected with a first path of power supply leading-in end of the Ethernet POE interface so as to convert a first path of POE power supply led in by the Ethernet POE interface into direct current;

the second rectifier bridge circuit is connected with a second path of power supply lead-in end of the POE interface so as to convert the second path of POE power supply lead-in end of the POE interface into direct current;

and the voltage stabilizing filter circuit is respectively connected with the first rectifier bridge circuit and the second rectifier bridge circuit so as to output the two paths of direct current after voltage stabilizing and filtering.

4. The POE-enabled docking station of claim 1, further comprising:

the USB-to-Ethernet controller is connected with the USB expansion circuit so as to convert USB protocol data output by a USB interface of the USB expansion circuit into Ethernet protocol data;

and the Ethernet interface is connected with the USB-to-Ethernet controller and is also used for being connected with an Ethernet device so as to connect the intelligent device connected to the docking station main body to the Ethernet.

5. The POE-enabled docking station of claim 4 wherein the POE interface module is further connected to the USB to Ethernet controller to connect a smart device connected to the docking station body to Ethernet.

6. The POE-enabled docking station of claim 1, wherein the USB expansion circuit comprises:

the USB expansion controller is connected with the first Type-c USB interface;

the first USB interface is connected with the USB expansion controller;

the second USB interface is connected with the USB expansion controller;

and the third USB interface is connected with the USB expansion controller.

7. The POE-enabled docking station of claim 6, wherein the first USB interface, the second USB interface, and the third SB interface are USB3.0 interfaces.

8. The POE-enabled docking station of claim 6, wherein the expansion circuit board further comprises a USB host controller, and the USB host controller is connected to the USB expansion controller to expand another Type-c USB interface;

fill soon/DC power supply switching circuit, fill soon/DC power supply switching circuit respectively with first Type-c Type USB interface and second Type-c Type USB interface connection to with the input power conversion back of first Type-c Type USB interface or second Type-c Type USB interface, for setting up equipment and the extension circuit power supply on first Type-c Type USB interface or the second Type-c Type USB interface.

9. The POE-enabled docking station of claim 8, wherein the USB expansion circuit further comprises:

the first USB power supply conversion control circuit is respectively connected with the USB expansion controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to USB equipment on the first USB interface after voltage conversion is carried out on an input power supply of the first Type-c Type USB interface or the second Type-c Type USB interface;

the second USB power supply conversion control circuit is respectively connected with the USB expansion controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to USB equipment on the second USB interface after voltage conversion is carried out on an input power supply of the first Type-c Type USB interface or the second Type-c Type USB interface;

and the third USB power supply conversion control circuit is respectively connected with the USB extended controller, the quick charging power supply switching circuit, the first Type-c Type USB interface or the second Type-c Type USB interface so as to supply power to the USB equipment on the third USB interface after voltage conversion is carried out on the input power of the first Type-c Type USB interface or the second Type-c Type USB interface.

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