CN114815978A - 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
CN114815978A
CN114815978A CN202210355217.9A CN202210355217A CN114815978A CN 114815978 A CN114815978 A CN 114815978A CN 202210355217 A CN202210355217 A CN 202210355217A CN 114815978 A CN114815978 A CN 114815978A
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power supply
port
module
docking station
sub
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CN114815978B (en
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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

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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a docking station and a method for improving 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, the main port is used for connecting external terminal equipment, a plurality of sub-ports are used for connecting a load, the plurality of 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 power supply circuits of the sub-ports, and the control module is used for detecting whether the main port is connected with the external terminal equipment or not and sending a control signal to enable the port power supply module to electrify the sub-ports again when the main port is connected with the external terminal equipment. The docking station provided by the invention solves the problem that the docking station possibly has a compatible risk of not identifying the sub-port equipment connected with the docking station, the overall complexity of the docking station is not increased, the problems in the prior art are solved with extremely low cost, and the docking station has a 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 prominent characteristic of the notebook computer is that the notebook computer is ultra-light, thin and ultra-concentrated compared with a desktop computer, so that the mobile office performance of the notebook computer is greatly enhanced, but the notebook computer also has some problems along with the mobile office performance: the notebook computer is easy to collide and the original placing position is changed because the computer body is too light and cannot be stably placed on the office table; the machine body is provided with a few ports, so that the daily application cannot be met; the bottom of the body is tightly attached to the placing table top, so that the notebook with serious heat dissipation pressure can frost on the snow.
Docking station (Docking station), also known as 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 is used for expanding to the desktop function on a certain extent at the same time, especially suitable for professionals, through duplicating, expanding the Port of the notebook computer, can make the notebook computer or mobile phone and a plurality of accessories or power adapters, network cables, mice, external keyboard, external printers and external display external devices convenient one-stop connection, can save the desktop space for users, and can make these interfaces use simultaneously after the expansion through the Docking station.
At present, if a power supply and a communication device connected with a usb disk, a hard disk or other storage devices connected with a sub-port are plugged in the docking station first and then the terminal device is connected through a main port, a problem of compatibility risk that the sub-port device connected with the docking station is not identified may occur, and a solution to the problem is not provided in the prior art.
Disclosure of Invention
To overcome the above-mentioned drawbacks of the prior art, the present invention proposes a docking station comprising:
the main port is used for connecting external terminal equipment;
a plurality of sub-ports for connecting loads;
the expansion module is used for connecting a plurality of the sub-ports with the main port;
the port power supply module is used for supplying power to the sub-port and controlling the on-off of a power supply circuit of the sub-port;
and 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, 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 comprises:
and the charging end is used for connecting an external power supply to enable the external power supply to supply power to 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 source 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 with 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 to the external terminal equipment through a quick charge protocol by using the voltage exceeding the preset voltage value.
Further, the fast charging protocol comprises 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 main port and the voltage conversion module;
or according to the on-off signal, cutting off a power supply line between the charging end and the voltage conversion module, and conducting the power supply line between the main 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, the drain D of the first MOS transistor Q2 is connected to the first chip Q1, the source S of the first MOS transistor Q2 is grounded, and a first resistor R1 is connected in parallel between the source S of the first MOS transistor Q2 and the gate G of the first MOS transistor Q2;
the gate G of the first MOS transistor Q2 is further connected to one end of a second resistor R2, one end of a first capacitor C1, and the anode of the diode D1, the other end of the second resistor R2 is connected to the input voltage, the other end of the first capacitor C1 is grounded, and a signal for powering up the sub-port is sent through the cathode of the diode D1.
The present invention also provides a method for 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 a load, which are expanded by a docking 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 terminal;
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, controls the voltage conversion module to convert the voltage of the external power supply and/or the external terminal equipment into the voltage with the preset voltage value, and supplies power to the internal module of the docking station by using 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 to the external terminal equipment through a quick charging protocol by using voltage exceeding the preset voltage value.
Preferably, 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, a power supply circuit between the charging end and the voltage conversion module is conducted, and the power supply circuit between the main port and the voltage conversion module is cut off.
The invention has at least the following beneficial effects:
the docking station provided by the invention solves the problem that the docking station possibly has compatible risk of not identifying the sub-port equipment connected with the docking station in a simpler mode, and does not increase the overall complexity and use cost of the docking station;
furthermore, the method provided by the invention has a wider application range, and the docking station can be provided with the current PD power supply, the USB equipment and the Type-C port, so that most requirements can be met.
Therefore, the invention provides a docking station and a method for improving 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 solution does not increase the overall complexity of the docking station, solves the problems of the prior art with a very low cost, and has a wider applicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
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 supply module;
FIG. 3 is a schematic diagram of a first circuit structure of the voltage conversion module;
FIG. 4 is a schematic diagram of a second circuit structure of the voltage conversion module;
fig. 5 is a flowchart illustrating a method for improving compatibility of a docking station device according to embodiment 2.
Reference numerals:
1-a charging terminal; 2-a total port; 3-USB port; 4-an expansion module; 5-port power supply module; 6-a control module; 7-a voltage conversion module; 8-on-off module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The present embodiment provides a docking station, please refer to fig. 1, which includes:
and the charging terminal 1 is used for connecting an external power supply, so that the external power supply supplies power to the terminal equipment connected with the docking station and the power utilization module in the docking station.
The main port 2 is used for connecting an external terminal device to enable the external terminal device to supply power for an internal power utilization module of the docking station, or enable the external power supply connected with the charging terminal 1 to supply power for the terminal device;
a plurality of sub-ports for connecting loads;
the expansion module 4 is used for connecting a plurality of the 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-port and controlling the on-off of a power supply circuit of the sub-port;
and the control module 6 is used for detecting whether the main port 2 is connected with the external terminal equipment or not, 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-port again, so that the problem of compatibility risk of unidentified sub-port equipment is solved.
Preferably, the main port 2 includes a Type-C port of a mobile phone or a computer, and the docking station realizes communication from the main port 2 to the plurality of sub-port modules through the expansion module 4.
It should be noted that the load includes, but is not limited to, any device of a known Type, in this embodiment, a USB device is taken as an example, in the prior art, a USB power source is not in a detection and control mode, for example, a PD power source and a USB device are plugged into a Type-C port of a power source/a mobile phone, and a situation that a USB port device cannot be detected easily occurs. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage with 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 supply module 5 receives an input power supply voltage and converts the power supply voltage into a USB voltage to output to the USB port 3. The docking station provided by the embodiment can correspondingly improve the compatibility of the USB device 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, and there are many specific types of the first chip Q1, the first chip Q1 includes but is not limited to any one of known types of chips, in this embodiment, the type of the first chip Q1 is WP 3419;
the first MOS transistor Q2 is an N-type metal oxide semiconductor field effect transistor (NMOS), and when an NMOS transistor is used, the first electrode of the first MOS transistor Q2 is a drain D, and the second electrode is a source S. When the gate G of the first MOS transistor Q2 receives a high level, the first MOS transistor Q2 is in a conducting state; when the gate G of the first MOS transistor Q2 receives a low level, the first MOS transistor Q2 is in an off state.
Specifically, the drain D of the first MOS transistor Q2 is connected to the first chip Q1, the source S of the first MOS transistor Q2 is grounded, a first resistor R1 is connected in parallel between the source S of the first MOS transistor Q2 and the gate G of the first MOS transistor Q2, the gate 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 the input voltage, the other end of the first capacitor C1 is grounded, and a signal for re-energizing the sub-port, that is, the HUB _ RESET signal shown in fig. 2, is transmitted through the cathode of the diode D1.
Furthermore, a first end of the first chip Q1 is connected to the input voltage, a second end of the first chip Q1 is connected to the USB output voltage, a 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 extension module 4 further includes a HUB extension module 4, which is configured to extend data of one group of USB into multiple groups 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 sets of USB data signals, and send the sets of USB data signals to the USB port 3. Illustratively, fig. 1 shows a case where the HUB expansion module 4 expands data of one USB group into three USB data signals, so fig. 1 has three USB ports 3, but it should not be understood that the limitation on the number of groups of the HUB expansion module 4 expanding data of one USB group into data signals can be adjusted according to the requirements of the docking station design, for example, the number of groups of the expanded USB data signals is greater than three or less than three.
Preferably, the docking station further comprises a voltage conversion module 7, wherein the voltage conversion module 7 is connected to the charging terminal 1 and/or the main port 2 and is configured to supply power to the internal power utilization module through an external power source connected to the charging terminal 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 terminal 1 and/or the external terminal device connected to the main port 2 supply power to the expansion module 4, the port power supply 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 source 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 supply power to 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 with 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, the protocol module is disposed between the charging terminal 1 and the main port 2, and when the docking station is connected to the external terminal device and the external power supply at the same time, the protocol module enables the external power supply connected to the charging terminal 1 to perform fast charging for the external terminal device connected to the main port 2 by using a voltage exceeding the preset voltage value through a fast charging protocol. Preferably, the fast charging protocol comprises 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 there are many specific selectable models of the second chip Q3, and the second chip Q3 includes but is not limited to any one of known models, in this embodiment, the model of the second chip Q3 is GTD 3419;
the second MOS transistor Q4 is an N-type metal oxide semiconductor field effect transistor (NMOS), and when an NMOS transistor is used, the first electrode of the second MOS transistor Q4 is a drain D, and the second electrode is a source S. When the gate G of the second MOS transistor Q4 receives a high level, the second MOS transistor Q4 is in a conducting state; when the gate G of the second MOS transistor Q4 receives a 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, that is, a GPIO5 signal shown in fig. 3.
Furthermore, 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, wherein there are many specific selectable models of the third chip U1, the third chip U1 includes but is not limited to any one known model, and in one specific embodiment, the model of the third chip U1 is MT 3905;
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 electrode of the third MOS transistor Q5 is a drain D, and the second electrode is a source S. When the gate G of the third MOS transistor Q5 receives a high level, the third MOS transistor Q5 is in a conducting state; when the gate G of the third MOS transistor Q5 receives a 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 used for receiving an on/off signal, i.e., the GPIO6 signal shown in fig. 4.
Further, a signal input end VIN of the third chip U1 is connected to VBUS _ M, an enable end EN of the third chip U1 is connected to a drain D of the third MOS transistor Q5, and an SW end of the third chip U1 is connected to BUS _ SV through a first inductor L1;
a capacitor is connected between the SW terminal of the third chip U1 and the BST terminal of the third chip U1, a sixth resistor R6 is connected in parallel between the signal input terminal VIN of the third chip U1 and the enable terminal EN of the third chip U1, a seventh resistor R7 is connected in parallel between the SW terminal of the third chip U1 and the FB terminal of the third chip U1, and the FB terminal 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 an on-off signal sent by the control module 4, conducting a power supply line between the charging terminal 1 and the voltage conversion module 7 according to the on-off signal, and cutting off the power supply line between the main port 2 and the voltage conversion module 7;
or, according to the on-off signal, the power supply line between the charging terminal 1 and the voltage conversion module 7 is cut off, and the power supply line between the main port 2 and the voltage conversion module 7 is conducted.
In this embodiment, the on-off module 8 includes MOS switches, the MOS switches are 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 switches are configured to switch the connection between the charging terminal 1 and the power supply line of the voltage conversion module 7 and between the total port 2 and the power supply line of the voltage conversion module 7 according to a signal sent by the control module 6, so as to ensure the power consumption 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 issues 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 to ensure the power utilization safety of the terminal equipment.
Example 2
The embodiment provides a method for improving compatibility of a docking station device, which solves the problem that the docking station may have a compatibility risk of not identifying a load connected to a sub-port, and referring to fig. 5, the method comprises:
s210: whether the external terminal device is connected to the main port is detected, 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-port again.
It should be noted that, when the docking station is connected to the load through the sub-port, the port power supply module of the docking station for connecting to 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 Type, in this embodiment, a USB device is taken as an example, in the prior art, a USB power source is not in a detection and control mode, for example, a PD power source and a USB device are plugged into a Type-C port of a power source/a mobile phone, and a situation that a USB port device cannot be detected easily occurs. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage with 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 devices, the sub-port comprises a USB port, and the method provided by the present invention resets the power-on matching timing sequence for the port power supply module to achieve the best device compatibility matching effect, wakes up the external plug-in device that enters the sleep state because no signal is detected, and accordingly solves the problem of docking station USB timing sequence compatibility.
Preferably, the method further comprises:
detecting that the docking station is connected with an external power supply through a charging terminal;
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 the preset voltage value, and the voltage with the preset voltage value is used for supplying power to the internal module of the docking station.
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 to the external terminal equipment through a quick charging protocol by using voltage exceeding the preset voltage value.
Specifically, the external power supply provides a voltage higher than the preset voltage value for the external terminal device through a fast charging protocol, so as to perform fast charging on 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.
Furthermore, the fast charging protocol comprises a PD fast charging protocol, the control module comprises a protocol module, the protocol module is disposed between the port of the external power source and the port connected to the external terminal device, and the protocol module is used for taking charge of PD fast charging protocol communication between the external power source and the external terminal device.
In this embodiment, the control module enables the port power supply module of the load to be powered up again in a manner of sending a signal to the port power supply module under the condition that the docking station is connected with the external power supply and the load in advance and then connected with the terminal device, 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 the PD fast charging is a fast charging specification established by the USB-IF organization, and is one of the mainstream fast charging protocols at present.
It should be noted that the PD protocol is called USB PD (USB Power Delivery, Power transfer protocol), and the PD protocol is based on the Power transfer 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 circuit between the charging end and the voltage conversion module is conducted, and the power supply circuit between the main port and the voltage conversion module is cut off. Through setting up as above, can ensure the power consumption safety of the terminal equipment of total port connection.
Preferably, referring again to fig. 5, the method further comprises:
s200: and detecting whether the charging end is connected with an external power supply or not and whether the sub-port is connected with a load or not.
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 source includes a PD power source, the load includes a USB device, and a Type-C port of the power source/mobile phone is plugged after the PD power source and the USB device are plugged, so that the USB port device is easily undetected. This is because when the product is not plugged into the computer/mobile phone, the PD charger will deliver a voltage with 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, when the main port is connected with the external terminal device, the compatible risk that the docking station does not identify the load connected with the sub-port is not easy to occur, and at the moment, the sub-port is not required to be powered on again by the port power supply module, so that the required operation is saved. In addition, a certain amount of electric energy can be consumed by powering on again, and the electric energy which needs to be consumed is saved by detecting whether the docking station is connected with an external power supply and a load in advance.
In summary, the present invention provides a docking station and a method for improving compatibility of a docking station device, which solves the problem that the docking station does not recognize the compatibility risk of the sub-port device connected to the docking station. The solution does not increase the overall complexity of the docking station, solves the problems of the prior art with a very low cost, and has a wider applicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A docking station, comprising:
the main port is used for connecting external terminal equipment;
a plurality of sub-ports for connecting loads;
the expansion module is used for connecting a plurality of the sub-ports with the main port;
the port power supply module is used for supplying power to the sub-port and controlling the on-off of a power supply circuit of the sub-port;
and the control module is used for detecting whether the main port is connected with the external terminal equipment or not, and sending a control signal to enable the port power supply module to electrify the sub-port when the main port is connected with the external terminal equipment.
2. The docking station of claim 1, further comprising:
and the charging end is used for connecting an external power supply to enable the external power supply to supply power to the external terminal equipment connected with the expansion module, the port power supply module, the control module and the main port.
3. The docking station as claimed in claim 2, wherein the control module is further configured to control the voltage conversion module to convert the voltage of the external power source 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 to supply power to the expansion module, the port power supply module, and the control module with 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 to the external terminal equipment through a quick charge protocol by using the voltage exceeding the preset voltage value.
4. A docking station according to claim 3, wherein said fast charging protocol comprises the PD fast charging protocol.
5. A docking station according to claim 3, further comprising:
the on-off module is used for receiving an on-off signal sent by the control module, conducting a power supply circuit between the charging end and the voltage conversion module according to the on-off signal and cutting off the power supply circuit between the main port and the voltage conversion module;
or according to the on-off signal, cutting off a power supply line between the charging end and the voltage conversion module, and conducting the power supply line between the main port and the voltage conversion module.
6. The docking station of claim 1, wherein the port power supply 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, the drain D of the first MOS transistor Q2 is connected to the first chip Q1, the source S of the first MOS transistor Q2 is grounded, and a first resistor R1 is connected in parallel between the source S of the first MOS transistor Q2 and the gate G of the first MOS transistor Q2;
the gate G of the first MOS transistor Q2 is further connected to 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 to an input voltage, the other end of the first capacitor C1 is grounded, and a signal for powering up the sub-port is sent through the cathode of the diode D1.
7. A method for improving compatibility of a docking station device, the docking station having a main port for connecting to an external terminal device and a plurality of sub-ports for connecting to a load, the sub-ports being expanded by a expansion 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.
8. The method of claim 7, further comprising:
detecting whether the docking station is connected with an external power supply through a charging terminal;
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, controls the voltage conversion module to convert the voltage of the external power supply and/or the external terminal equipment into the voltage with the preset voltage value, and supplies power to the internal module of the docking station by using the voltage with the preset voltage value.
9. The method of claim 8, 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 to the external terminal equipment through a quick charging protocol by using voltage exceeding the preset voltage value.
10. The method of claim 8, further comprising:
when the charging end is connected with the external power supply and the main port is connected with the external terminal equipment, a power supply circuit between the charging end and the voltage conversion module is conducted, and the power supply circuit between the main 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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