CN114815978B - Docking station and method for improving compatibility of docking station equipment - Google Patents

Docking station and method for improving compatibility of docking station equipment Download PDF

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Publication number
CN114815978B
CN114815978B CN202210355217.9A CN202210355217A CN114815978B CN 114815978 B CN114815978 B CN 114815978B CN 202210355217 A CN202210355217 A CN 202210355217A CN 114815978 B CN114815978 B CN 114815978B
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power supply
port
module
docking station
sub
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CN114815978A (en
Inventor
何世友
戴金秀
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Shenzhen Baseus Technology Co Ltd
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Shenzhen Baseus Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1632—External expansion units, e.g. docking stations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter

Abstract

The invention provides a docking station and a method for improving the compatibility of docking station equipment, wherein the docking station comprises a main port, sub-ports, an expansion module, a port power supply module and a control module, wherein the main port is used for being connected with external terminal equipment, a plurality of sub-ports are used for being connected with loads, the sub-ports are connected with the main port through the expansion module, the port power supply module is used for supplying power to the sub-ports and controlling the on-off of a power supply circuit of the sub-ports, the control module is used for detecting whether the main port is connected with the external terminal equipment or not, and when the main port is connected with the external terminal equipment, a control signal is sent to enable the port power supply module to electrify the sub-ports again. The docking station solves the problem that the docking station possibly has the compatibility risk of not identifying the sub-port equipment connected with the docking station, the scheme does not increase the overall complexity of the docking station, solves the problems in the prior art with extremely low cost, and has wider application range.

Description

Docking station and method for improving compatibility of docking station equipment
Technical Field
The invention belongs to the technical field, and particularly relates to a docking station and a method for improving compatibility of docking station equipment.
Background
The most outstanding characteristics of the notebook computer are that compared with the desktop computer, the notebook computer is ultra-thin and ultra-concentrated, so that the mobile office performance of the notebook computer is greatly enhanced, but some problems are brought along with the mobile office performance: because the machine body is too light and cannot be stably placed on the office desk, the notebook can be easily collided, and the original placement position is changed; the number of ports on the machine body is small, so that the daily application cannot be met; the bottom of the machine body is tightly attached to the tabletop, so that the notebook with serious heat dissipation pressure can be frosted.
The Docking station (dock), also called Port Replicator (Port Replicator), is an external device specially designed for notebook computer or mobile phone, the Docking station has the function of the Port Replicator and the function of desktop for expanding to a considerable extent, and is especially suitable for professional, through copying and expanding the Port of notebook computer, the notebook computer or mobile phone can be conveniently connected with a plurality of accessories or power adapters, network cables, mice, external keyboards, printers, external displays and other external devices in one-stop mode, precious desktop space can be saved for users, and the interfaces can be used simultaneously after expanding the Docking station.
At present, if a power supply and a communication device for storage connected with a USB flash disk, a hard disk or other sub-ports are plugged into a docking station, and then a terminal device is connected through a main port, a problem of risk of compatibility of the sub-port device connected with the docking station is possibly not identified, and a solution for the problem is not provided in the prior art.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention proposes a docking station comprising:
a main port for connecting with an external terminal device;
a plurality of sub-ports for connecting loads;
the expansion module is used for connecting the plurality of sub-ports with the main port through the expansion module;
the port power supply module is used for supplying power to the sub-ports and controlling the on-off of a power supply circuit of the sub-ports;
and the control module is used for detecting whether the main port is connected with the external terminal equipment, and when the main port is connected with the external terminal equipment, the control module sends a control signal to enable the port power supply module to electrify the sub-ports again.
Specifically, the docking station further includes:
the charging end is used for being connected with an external power supply, so that the external power supply supplies power for the external terminal equipment connected with the expansion module, the port power supply module, the control module and the main port.
Preferably, the control module is further configured to control the voltage conversion module to convert the voltage of the external power supply and/or the external terminal device into a voltage with a preset voltage value by sending a control signal to the voltage conversion module, and supply power to the expansion module, the port power supply module and the control module by using the voltage with the preset voltage value;
the control module comprises a protocol module, and the protocol module is used for controlling the external power supply to supply power for the external terminal equipment through a fast charging protocol at a voltage exceeding the preset voltage value.
Further, the fast charging protocol includes a PD fast charging protocol.
Preferably, the docking station further comprises:
the on-off module is used for receiving the on-off signal sent by the control module, conducting a power supply line between the charging end and the voltage conversion module according to the on-off signal, and cutting off the power supply line between the total port and the voltage conversion module;
or cutting off the power supply line between the charging end and the voltage conversion module according to the on-off signal, and conducting the power supply line between the total port and the voltage conversion module.
Specifically, the port power supply module comprises a first chip Q1 and a first MOS tube Q2;
the first MOS transistor Q2 is an N-type metal oxide semiconductor field effect transistor, a drain electrode D of the first MOS transistor Q2 is connected with the first chip Q1, a source electrode S of the first MOS transistor Q2 is grounded, and a first resistor R1 is connected in parallel between the source electrode S of the first MOS transistor Q2 and a grid electrode G of the first MOS transistor Q2;
the grid G of the first MOS tube Q2 is also connected with one end of a second resistor R2, one end of a first capacitor C1 and the anode of a diode D1, the other end of the second resistor R2 is connected with input voltage, the other end of the first capacitor C1 is grounded, and a signal for enabling the sub-port to be electrified again is sent through the cathode of the diode D1.
The present invention also proposes a method of improving compatibility of a docking station device, the docking station having a main port for connecting an external terminal device and a plurality of sub-ports for connecting loads, which are extended by an extension module, the method comprising:
detecting whether the main port is connected with the external terminal equipment or not;
when the main port is connected with the external terminal equipment, the control module sends a control signal to enable the port power supply module to electrify the sub-ports again.
Further, the method further comprises:
detecting whether the docking station is connected with an external power supply through a charging end;
when the charging end is connected with the external power supply and/or the main port is connected with the external terminal equipment, the control module sends a control signal to the voltage conversion module to control the voltage conversion module to convert the voltage of the external power supply and/or the external terminal equipment into the voltage with a preset voltage value, and the internal module of the docking station is powered by the voltage with the preset voltage value.
Further, the method further comprises:
when the charging end is connected with the external power supply and the main port is connected with the external terminal equipment, the control module controls the external power supply to supply power for the external terminal equipment through a fast charging protocol by using a voltage exceeding the preset voltage value.
Preferably, the method further comprises:
when the charging end is connected with the external power supply and the total port is connected with the external terminal equipment, a power supply line between the charging end and the voltage conversion module is conducted, and the power supply line between the total port and the voltage conversion module is cut off.
The invention has at least the following beneficial effects:
the docking station solves the problem that the docking station is likely to have a compatibility risk of not identifying the sub-port equipment connected with the docking station in a simpler mode, and the overall complexity and the use cost of the docking station are not increased;
furthermore, the method provided by the invention has a wider application range, and the docking station can be applied to the PD power supply, the USB equipment and the Type-C port which are common in the prior art, so that most of requirements can be met.
In this way, the invention provides a docking station and a method for improving the compatibility of docking station equipment, and solves the problem that the docking station does not identify the compatibility risk of the sub-port equipment connected with the docking station. The scheme does not increase the overall complexity of the docking station, solves the problems in the prior art with extremely low cost, and has wider application range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed 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 application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a docking station according to embodiment 1;
FIG. 2 is a schematic circuit diagram of a port power module;
FIG. 3 is a schematic diagram of a first circuit configuration of a voltage conversion module;
FIG. 4 is a schematic diagram of a second circuit configuration of the voltage conversion module;
fig. 5 is a flow chart of a method for improving compatibility of a docking station device according to embodiment 2.
Reference numerals:
1-a charging terminal; 2-total ports; a 3-USB port; 4-an expansion module; a 5-port power module; 6-a control module; 7-a voltage conversion module; and 8-an on-off module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The present embodiment provides a docking station, please refer to fig. 1, which includes:
and the charging end 1 is used for connecting an external power supply to enable the external power supply to supply power for the terminal equipment connected with the docking station and the power utilization module inside the docking station.
A main port 2, configured to connect to an external terminal device, so that the external terminal device supplies power to an internal power module of the docking station, or the external power source connected to the charging terminal 1 supplies power to the terminal device;
a plurality of sub-ports for connecting loads;
the expansion module 4 is used for connecting a plurality of sub-ports with the main port 2 through the expansion module 4;
the port power supply module 5 is used for supplying power to the sub-ports and controlling the on-off of a power supply circuit of the sub-ports;
and the control module 6 is used for detecting whether the main port 2 is connected with the external terminal equipment, and when the main port 2 is connected with the external terminal equipment, the control module 6 sends a control signal to enable the port power supply module to electrify the sub-ports again, so that the problem of compatibility risk of the sub-port equipment without identification is prevented.
Preferably, the total port 2 comprises a Type-C port of a mobile phone or a computer, and the docking station realizes communication from the total port 2 to a plurality of sub-port modules through the docking module 4.
It should be noted that the load includes, but is not limited to, any device of a known model, in this embodiment, a USB device is taken as an example, in the prior art, the adopted USB power supply is not controlled by a detection mode, for example, a PD power supply and a Type-C port of a power supply/mobile phone are plugged after the USB device is plugged, and a situation that the USB port device is not detected easily occurs. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage of a preset voltage value to the product, and at this time, the USB port device does not detect the communication data, which causes the USB port device to go to sleep.
In a specific embodiment, the load includes a USB device, the sub-port includes a USB port 3, and the port power module 5 receives an input power supply voltage and converts the power supply voltage into a USB voltage and outputs the USB voltage to the USB port 3. The docking station provided by the embodiment can correspondingly improve the compatibility of USB equipment of the docking station.
Specifically, referring to fig. 2, the port power supply module 5 includes a first chip Q1 and a first MOS transistor Q2, where a number of optional types of the first chip Q1 are available, and the first chip Q1 includes, but is not limited to, any chip of a known type, and in this embodiment, the type of the first chip Q1 is WP3419;
the first MOS transistor Q2 is an N-type metal oxide semiconductor field effect transistor (negative channel metal oxide semiconductor, NMOS), and in the case of using an NMOS transistor, the first stage of the first MOS transistor Q2 is a drain D, and the second stage is a source S. When the grid electrode G of the first MOS tube Q2 receives the high level, the first MOS tube Q2 is in a conducting state; when the grid electrode G of the first MOS tube Q2 receives the low level, the first MOS tube Q2 is in a cut-off state.
Specifically, the drain electrode D of the first MOS transistor Q2 is connected to the first chip Q1, the source electrode S of the first MOS transistor Q2 is grounded, a first resistor R1 is connected in parallel between the source electrode S of the first MOS transistor Q2 and the gate electrode G of the first MOS transistor Q2, the gate electrode G of the first MOS transistor Q2 is connected to one end of the second resistor R2, one end of the first capacitor C1, and the anode of the diode D1, the other end of the second resistor R2 is connected to an input voltage, the other end of the first capacitor C1 is grounded, and a signal for re-electrifying the sub-port is sent through the cathode of the diode D1, that is, a hub_reset signal shown in fig. 2.
Further, the first end of the first chip Q1 is connected to an input voltage, the second end of the first chip Q1 is connected to a USB output voltage, the third end of the first chip Q1 is connected to the drain D of the first MOS transistor Q2, and a third resistor R3 is connected in parallel between the first end of the first chip Q1 and the third end of the first chip Q1.
Specifically, the input voltage is bus_5v, that is, the voltage converted into the preset voltage value, and the USB output voltage is USB5V, that is, the voltage output to the USB port.
It should be noted that, in this embodiment, the expansion module 4 further includes a HUB expansion module 4 for expanding data of one set of USB into multiple sets of USB data signals. In this embodiment, the HUB expansion module 4 is connected to the main port 2, and is configured to expand the USB data signals sent by the external terminal device connected to the main port 2 into multiple groups of USB data signals, and send the USB data signals to the USB port 3. Illustratively, in fig. 1, the HUB expansion module 4 expands the data of one set of USB into three sets of USB data signals, so that in fig. 1, there are three USB ports 3, but it is not to be understood that the limitation of the number of sets of data signals to which the data of one set of USB is expanded in the HUB expansion module 4 can be adjusted according to the design requirement of the docking station, for example, the number of sets of expanded USB data signals is greater than three sets or less than three sets.
Preferably, the docking station further includes a voltage conversion module 7, where the voltage conversion module 7 is connected to the charging end 1 and/or the main port 2, and is used for supplying power to the internal power module through an external power source connected to the charging end 1 and/or an external terminal device connected to the main port 2, and in this embodiment, the external power source connected to the charging end 1 and/or the external terminal device connected to the main port 2 supply power to the expansion module 4, the port power module 5, and the control module 6 through the voltage conversion module 7.
Further, in this embodiment, the control module 6 is further configured to control the voltage conversion module 7 to convert the voltage of the external power supply and/or the external terminal device into a voltage with a preset voltage value by sending a control signal to the voltage conversion module 7, and power the expansion module 4, the port power supply module 5, and the control module 6 with the voltage with the preset voltage value;
the control module 6 is further configured to control the external power supply to supply power to the external terminal device through a fast charging protocol at a voltage exceeding the preset voltage value.
Preferably, the preset voltage value is +5v, and the voltage range of the external power supply and/or the external terminal device is +5-20V.
Specifically, the control module 6 includes a protocol module, where the protocol module is disposed between the charging end 1 and the main port 2, and when the docking station is connected with the external terminal device and the external power supply at the same time, the protocol module makes the external power supply connected with the charging end 1 perform fast charging for the external terminal device connected with the main port 2 by using the fast charging protocol, where the voltage exceeds the preset voltage value. Preferably, the fast charging protocol includes a PD fast charging protocol.
Specifically, referring to fig. 3, the voltage conversion module 7 includes a second chip Q3 and a second MOS transistor Q4, and a number of optional types of the second chip Q3 are provided, where the second chip Q3 includes, but is not limited to, any chip of a known type, and in this embodiment, the type of the second chip Q3 is GTD3419;
the second MOS transistor Q4 is an N-type metal oxide semiconductor field effect transistor (negative channel metal oxide semiconductor, NMOS), and in the case of using an NMOS transistor, the first electrode of the second MOS transistor Q4 is a drain D, and the second stage is a source S. When the grid electrode G of the second MOS tube Q4 receives the high level, the second MOS tube Q4 is in a conducting state; when the gate electrode G of the second MOS transistor Q4 receives the low level, the second MOS transistor Q4 is in an off state.
Specifically, the drain D of the second MOS transistor Q4 is connected to the second chip Q3, the source S of the second MOS transistor Q4 is grounded, a fifth resistor R5 is connected in parallel between the source S of the second MOS transistor Q4 and the gate G of the second MOS transistor Q4, and the gate G of the second MOS transistor Q4 is configured to receive an on/off signal, i.e., the GPIO5 signal shown in fig. 3.
Further, a first end of the second chip Q3 is connected to vbus_m, a second end of the second chip Q3 is connected to bus_5v, a third end of the second chip Q3 is connected to the drain D of the second MOS transistor Q4, and a fourth resistor R4 is connected in parallel between the first end of the second chip Q3 and the third end of the second chip Q3.
Specifically, referring to fig. 4, the voltage conversion module 7 further includes a third chip U1 and a third MOS transistor Q5, and a number of optional types of the third chip U1 are provided, where the third chip U1 includes, but is not limited to, any chip of a known type, and in a specific embodiment, the type of the third chip U1 is MT3905;
the third MOS transistor Q5 is an N-type metal oxide semiconductor field effect transistor, and in the case of using an NMOS transistor, the first stage of the third MOS transistor Q5 is a drain D, and the second stage is a source S. When the grid electrode G of the third MOS tube Q5 receives the high level, the third MOS tube Q5 is in a conducting state; when the gate electrode G of the third MOS transistor Q5 receives the low level, the third MOS transistor Q5 is in an off state.
Specifically, the drain D of the third MOS transistor Q5 is connected to the third chip U1, the source S of the third MOS transistor Q5 is grounded, and the gate G of the third MOS transistor Q5 is configured to receive an on/off signal, i.e., the GPIO6 signal shown in fig. 4.
Further, the signal input end VIN of the third chip U1 is connected to vbus_m, the enable end EN of the third chip U1 is connected to the drain D of the third MOS transistor Q5, and the SW end of the third chip U1 is connected to bus_sv through the first inductor L1;
a capacitor is connected between the SW end of the third chip U1 and the BST end of the third chip U1, a sixth resistor R6 is connected in parallel between the signal input end VIN of the third chip U1 and the enable end EN of the third chip U1, a seventh resistor R7 is connected in parallel between the SW end of the third chip U1 and the FB end of the third chip U1, and the FB end of the third chip U1 is grounded through the eighth resistor R8.
Further, the docking station further comprises an on-off module 8, wherein the on-off module 8 is used for receiving the on-off signal sent by the control module 4, and conducting a power supply line between the charging end 1 and the voltage conversion module 7 according to the on-off signal, and cutting off the power supply line between the total port 2 and the voltage conversion module 7;
or cutting off the power supply line between the charging end 1 and the voltage conversion module 7 according to the on-off signal, and conducting the power supply line between the total port 2 and the voltage conversion module 7.
In this embodiment, the on-off module 8 includes a MOS switch, where the MOS switch is disposed between the charging terminal 1 and the voltage conversion module 7 and between the total port 2 and the voltage conversion module 7, and the MOS switch is configured to switch, according to a signal sent by the control module 6, connection between the charging terminal 1 and a power supply line of the voltage conversion module 7 and between the total port 2 and a power supply line of the voltage conversion module 7, so as to ensure electrical safety of the terminal device.
Specifically, the MOS switch switches the power supply on/off of the charging end 1 and the main port 2 by an instruction issued by the control module 6, when the docking station is not connected with an external power supply through the charging end 1 and is only connected with external terminal equipment through the main port 2, the control module 6 issues an instruction to enable the MOS switch to cut off the power supply line connection between the charging end 1 and the voltage conversion module 7 and conduct the power supply line connection between the main port 2 and the voltage conversion module 7;
when the docking station is connected with an external power supply through the charging end 1 and is connected with external terminal equipment through the main port 2, the control module 6 gives an instruction to enable the MOS switch to be connected with a power supply line between the charging end 1 and the voltage conversion module 7, and the power supply line between the main port 2 and the voltage conversion module 7 is cut off so as to ensure the electricity safety of the terminal equipment.
Example 2
The docking station has a main port for connecting an external terminal device and a plurality of sub-ports for connecting loads, which are extended by a docking circuit, and this embodiment provides a method for improving compatibility of the docking station device, which solves the problem that the docking station may have a compatibility risk of not identifying the loads connected to the sub-ports, and referring to fig. 5, the method includes:
s210: it is detected whether the total port is connected to an external terminal device, and the process proceeds to step S220.
S220: when the main port is connected with the external terminal equipment, the control module sends a control signal to enable the port power supply module to electrify the sub-ports again.
It should be noted that, when the docking station is connected to the load through the sub-port, the port power module of the docking station for connecting the load is powered on for the first time.
It should be noted that the load includes, but is not limited to, any device of a known model, in this embodiment, a USB device is taken as an example, in the prior art, the adopted USB power supply is not controlled by a detection mode, for example, a PD power supply and a Type-C port of a power supply/mobile phone are plugged after the USB device is plugged, and a situation that the USB port device is not detected easily occurs. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage of a preset voltage value to the product, and at this time, the USB port device does not detect the communication data, which causes the USB port device to go to sleep.
In a specific embodiment, the load comprises USB equipment, the sub-port comprises a USB port, and the method provided by the invention achieves the best equipment compatibility matching effect by resetting the power-on matching time sequence for the port power supply module, wakes up the external equipment which enters dormancy because no signal is detected, and correspondingly solves the problem of USB time sequence compatibility of the docking station.
Preferably, the method further comprises:
detecting that the docking station is connected with an external power supply through a charging end;
when the charging end is connected with an external power supply and/or the main port is connected with external terminal equipment, the control module sends a control signal to the voltage conversion module, the voltage conversion module is controlled to convert the voltage of the external power supply and/or the external terminal equipment into the voltage with a preset voltage value, and the internal module of the docking station is powered by the voltage with the preset voltage value.
Further, the method further comprises:
when the charging end is connected with an external power supply and the main port is connected with external terminal equipment, the control module controls the external power supply to supply power for the external terminal equipment through a fast charging protocol at a voltage exceeding the preset voltage value.
Specifically, the external power supply provides the external terminal device with a voltage higher than the preset voltage value through a fast charging protocol, so as to fast charge the external terminal device.
In this embodiment, the voltage of the preset voltage value is +5v, and the voltage range provided by the external power supply is +5-20V.
Further, the fast charging protocol comprises a PD fast charging protocol, the control module comprises a protocol module, the protocol module is arranged between a port of the external power supply and a port connected with the external terminal equipment, and the protocol module is used for being responsible for PD fast charging protocol communication of the external power supply and the external terminal equipment.
In this embodiment, the control module makes the port power supply module of the load re-power up under the condition that the docking station is connected with the external power supply and the load before being connected with the terminal device by sending a signal to the port power supply module, so as to solve the problem that the docking station does not recognize the time sequence compatibility risk of the sub-port device.
It should be noted that, PD fast charging is a fast charging specification formulated by the USB-IF organization, and is one of the current mainstream fast charging protocols.
It should be noted that, the PD protocol is called USB PD (USB Power Delivery, power transmission protocol), and the PD protocol is based on the power transmission concept proposed after USB3.2 Gen2, and can expand the charging capability by 10 times, up to 100 watts.
Preferably, the method further comprises:
when the charging end is connected with an external power supply and the main port is connected with external terminal equipment, a power supply line between the charging end and the voltage conversion module is conducted, and the power supply line between the main port and the voltage conversion module is cut off. By the arrangement, the electricity safety of the terminal equipment connected with the main port can be ensured.
Preferably, referring again to fig. 5, the method further comprises:
s200: and detecting whether the charging end is connected with an external power supply and whether the sub-port is connected with a load.
If the charging terminal is connected to the external power source, the sub-port is connected to the load, and the process proceeds to step S210.
In a specific embodiment, the external power supply includes a PD power supply, the load includes a USB device, and the PD power supply and the USB device are plugged into a Type-C port of the power supply/mobile phone, so that a situation that the USB port device is not detected easily occurs. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage of a preset voltage value to the product, and at this time, the USB port device does not detect the communication data, which causes the USB port device to go to sleep.
If the docking station is not connected with an external power supply and/or a load, the compatible risk that the docking station does not recognize the load connected with the sub-port is not easy to occur when the main port is connected with the external terminal equipment, and the sub-port is not required to be electrified again by the port power supply module, so that the required operation is saved. In addition, the power-on again consumes a certain amount of electric energy, and whether the docking station is connected with an external power supply and a load or not is detected in advance, so that the electric energy required to be consumed is saved.
In summary, the present invention provides a docking station and a method for improving compatibility of docking station devices, which solves the problem that the docking station does not identify compatibility risks of sub-port devices connected by the docking station. The scheme does not increase the overall complexity of the docking station, solves the problems in the prior art with extremely low cost, and has wider application range.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (8)

1. A docking station, comprising:
a main port for connecting with an external terminal device;
a plurality of sub-ports for connecting loads;
the expansion module is used for connecting the plurality of sub-ports with the main port through the expansion module;
the port power supply module is used for supplying power to the sub-ports and controlling the on-off of a power supply circuit of the sub-ports;
the control module is used for detecting whether the main port is connected with the external terminal equipment or not when the sub-port is connected with a load, and sending a control signal when the main port is connected with the external terminal equipment, so that the port power supply module can electrify the sub-port again;
the charging end is used for connecting an external power supply to enable the external power supply to supply power for the external terminal equipment connected with the expansion module, the port power supply module, the control module and the main port; the control module is further used for controlling the voltage conversion module to convert the voltage of the external power supply and/or the external terminal device into the voltage with a preset voltage value in a mode of sending a control signal to the voltage conversion module, and the voltage with the preset voltage value is used for supplying power to the expansion module, the port power supply module and the control module.
2. The docking station of claim 1, wherein the control module comprises a protocol module for controlling the external power source to power the external terminal device at a voltage exceeding the preset voltage value via a fast-charge protocol.
3. The docking station of claim 2, wherein the fast-fill protocol comprises a PD fast-fill protocol.
4. The docking station of claim 1, further comprising:
the on-off module is used for receiving the on-off signal sent by the control module, conducting a power supply line between the charging end and the voltage conversion module according to the on-off signal, and cutting off the power supply line between the total port and the voltage conversion module;
or cutting off the power supply line between the charging end and the voltage conversion module according to the on-off signal, and conducting the power supply line between the total port and the voltage conversion module.
5. The docking station of claim 1, wherein the port power module comprises a first chip Q1 and a first MOS transistor Q2;
the first MOS transistor Q2 is an N-type metal oxide semiconductor field effect transistor, a drain electrode D of the first MOS transistor Q2 is connected with the first chip Q1, a source electrode S of the first MOS transistor Q2 is grounded, and a first resistor R1 is connected in parallel between the source electrode S of the first MOS transistor Q2 and a grid electrode G of the first MOS transistor Q2;
the grid G of the first MOS tube Q2 is also connected with one end of a second resistor R2, one end of a first capacitor C1 and the anode of a diode D1, the other end of the second resistor R2 is connected with input voltage, the other end of the first capacitor C1 is grounded, and a signal for enabling the sub-port to be electrified again is sent through the cathode of the diode D1.
6. A method of improving compatibility of a docking station device, the docking station having a main port for connecting an external terminal device and a plurality of sub-ports for connecting loads, which are extended by an extension module, the method comprising:
when the sub-port is connected with a load, detecting whether the main port is connected with the external terminal equipment or not;
when the main port is connected with the external terminal equipment, the control module sends a control signal to enable the port power supply module to electrify the sub-ports again;
the method further comprises the steps of:
detecting whether the docking station is connected with an external power supply through a charging end;
when the charging end is connected with the external power supply and/or the main port is connected with the external terminal equipment, the control module sends a control signal to the voltage conversion module to control the voltage conversion module to convert the voltage of the external power supply and/or the external terminal equipment into the voltage with a preset voltage value, and the internal module of the docking station is powered by the voltage with the preset voltage value.
7. A method of improving docking station device compatibility as recited in claim 6, the method further comprising:
when the charging end is connected with the external power supply and the main port is connected with the external terminal equipment, the control module controls the external power supply to supply power for the external terminal equipment through a fast charging protocol by using a voltage exceeding the preset voltage value.
8. A method of improving docking station device compatibility as recited in claim 6, the method further comprising:
when the charging end is connected with the external power supply and the total port is connected with the external terminal equipment, a power supply line between the charging end and the voltage conversion module is conducted, and the power supply line between the total port and the voltage conversion module is cut off.
CN202210355217.9A 2022-04-01 2022-04-01 Docking station and method for improving compatibility of docking station equipment Active CN114815978B (en)

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