CN115145850A - Docking station terminal equipment switching connection method and docking station - Google Patents

Docking station terminal equipment switching connection method and docking station Download PDF

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Publication number
CN115145850A
CN115145850A CN202210725015.9A CN202210725015A CN115145850A CN 115145850 A CN115145850 A CN 115145850A CN 202210725015 A CN202210725015 A CN 202210725015A CN 115145850 A CN115145850 A CN 115145850A
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China
Prior art keywords
docking station
port
module
signal
switching
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CN202210725015.9A
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Chinese (zh)
Inventor
何世友
房俊恺
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Shenzhen Baseus Technology Co Ltd
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Shenzhen Baseus Technology Co Ltd
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Priority to CN202210725015.9A priority Critical patent/CN115145850A/en
Publication of CN115145850A publication Critical patent/CN115145850A/en
Priority to PCT/CN2022/134891 priority patent/WO2023124699A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/266Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/06Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus

Abstract

The invention provides a docking station terminal equipment switching connection method and a docking station, wherein the method comprises the steps of detecting whether a switching signal is received or not, if the switching signal is received, generating a control signal according to the switching signal and sending the control signal to a conversion module, enabling the conversion module to cut off the connection with a previous input port assembly according to the control signal, conducting the connection with a next input port assembly, and sequentially circulating to realize the circulating conducting connection of the docking station and a plurality of input ports. The method provided by the invention can switch among a plurality of computers or mobile phones connected with the docking station without plugging and unplugging the connecting wires by a user, reduces inconvenience brought to the user due to switching equipment, and avoids the influence on the service life of the docking station due to frequent plugging and unplugging of the connecting wires.

Description

Docking station terminal equipment switching connection method and docking station
Technical Field
The invention belongs to the technical field of docking stations, and particularly relates to a docking station terminal device switching connection method and a docking station.
Background
Docking Station (Docking Station) is an external device designed for smart devices. A plurality of different types of data input interfaces are provided in the docking station which, when the docking station is connected to the smart device, the intelligent device is connected with a plurality of external devices of different types through the docking station so as to expand the port function of the intelligent device.
Through interface and slot, multiple external equipment can be connected to docking station, like driver, large screen display, keyboard, printer, scanner etc. docking station has compensatied frivolous notebook computer itself and has carried the less defect of annex, makes the user can enjoy desktop convenience and comfort the same in the office, can exert notebook's portability again when mobile office, saves valuable desktop space for the user, and can make a plurality of interfaces use simultaneously after the expansion of docking station.
In the prior art, docking stations are single uplink ports, and when switching among multiple computers or mobile phones, connecting wires of devices connected in advance need to be pulled out first, and then connecting wires of devices needing to be replaced need to be plugged in, so that switching is troublesome. In addition, frequent plugging also affects the performance of the docking station, reducing its service life.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a terminal device switching connection method of a docking station, which is applied to the docking station with a plurality of input ports, and comprises the following steps:
detecting whether a switching signal is received;
if the switching signal is received, generating a control signal according to the switching signal and sending the control signal to a conversion module, so that the conversion module cuts off the connection with a first input port assembly according to the control signal and conducts the connection with a second input port assembly;
detecting whether a switching signal is received again;
if the switching signal is received again, the control signal is generated according to the switching signal and is sent to the conversion module, so that the conversion module cuts off the connection with the second input port assembly according to the control signal, conducts the connection with the third input port assembly, and circulates in sequence, and the circulating conduction connection between the docking station and the plurality of input ports is realized.
Specifically, at least one of the input port assemblies includes a Type-C port, and at least one of the input port assemblies includes a DP female socket port and a USB port.
Further, the method further comprises:
the conversion module converts the data transmitted by the Type-C port into a USB data signal and a DP video signal, so that the USB data signal is communicated with the sub-port through an expansion module, and the DP video signal is communicated with the video port through a video module;
or, the conversion module communicates the USB data signal transmitted by the USB port with the sub-port through the expansion module, and communicates the DP video signal transmitted by the DP socket port with the video port through the video module.
Preferably, the switching signal is generated by a user-controlled switch.
Further, the change-over switch is electrically connected with the control module.
Preferably, the method further comprises:
when the docking station is connected with an external power supply and the external terminal equipment at the same time, the control module controls the external power supply to supply power to the external terminal equipment through the conversion module by utilizing a quick charge identification protocol;
when the docking station is not connected with the external power supply and is only connected with the external terminal equipment, the control module controls the external terminal equipment to supply power to the internal module of the docking station through the conversion module.
Further, the air conditioner is provided with a fan, the method further comprises the following steps:
the control module initializes the external terminal equipment through a CC protocol.
The present invention also provides a docking station, which can implement the method for switching connection of terminal devices of the docking station, including:
a plurality of input ports for connecting external terminal devices;
the conversion module is used for connecting the input ports and sequentially and circularly switching and connecting among the input port assemblies according to the indication of the control signal;
and the control module is used for receiving a switching signal, generating the control signal according to the switching signal and sending the control signal to the conversion module.
Specifically, the docking station further comprises:
and the selector switch is used for generating the switching signal sent to the control module.
Further, the docking station further comprises a plurality of sub-ports for connecting loads, and the conversion module is connected with the sub-ports to realize data interaction between the input ports and the sub-ports.
The invention has at least the following beneficial effects:
the method solves the problem that when a user uses the docking station, if the external terminal equipment connected with the docking station needs to be switched, the connecting wire of the equipment connected in advance needs to be pulled out, and then the connecting wire of the equipment needing to be replaced is plugged, reduces unnecessary troubles, improves the use experience of the user, and prevents the influence of frequently pulling and plugging the connecting wire on the service life of the docking station;
furthermore, the method provided by the invention can realize the cyclic switching of the signal channels among the plurality of connecting interfaces of the docking station, is convenient for users to use, and realizes the power supply of an external power supply to the external terminal equipment and the power supply of the external terminal equipment to the internal module of the docking station through the bidirectional power supply of the conversion module.
Therefore, the method provided by the invention can be used for switching among a plurality of computers or mobile phones connected with the docking station without plugging and unplugging connecting wires by a user, reduces inconvenience brought to the user by switching equipment, and avoids influence on the service life of the docking station caused by frequent plugging and unplugging of the connecting wires.
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 overall flowchart of a method for switching connection of a terminal device of a docking station according to embodiment 1;
FIG. 2 is a schematic flow chart of a cyclic switching signal channel;
fig. 3 is a schematic circuit diagram of the overall structure of a docking station provided in embodiment 2;
fig. 4 is a schematic view of the overall structure of the docking station provided in embodiment 2;
fig. 5 is a schematic diagram of the internal structure of the docking station provided in embodiment 2;
FIG. 6 is a schematic circuit diagram of a conversion module;
FIG. 7 is a schematic diagram of a first circuit of the transformer module;
fig. 8 is a schematic diagram of a second circuit part of the transformer module.
Reference numerals:
1-an input port; 2-a conversion module; 3-a protocol module; 4-a charging terminal; 5-sub-port; 6-HDMI video module; 7-HUB extension module; 8-a voltage transformation module; 9-MOS switch; 11-a data line; 12-a mounting location; 13-first TypeC port; 14-a second TypeC port; 15-DP female port; 16-a USB port; 17-HDMI port; 18-SD port; a 19-TF port; 31-switch key.
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 method for switching and connecting terminal devices of a docking station, which is applied to a docking station having a plurality of input ports, so that a user can flexibly switch among a plurality of terminal devices connected to the docking station without repeatedly plugging and unplugging a connecting line with the docking station, and referring to fig. 1, for example, the method includes:
s100: it is detected whether a handover signal is received.
If the switching signal is received, the process proceeds to step S110.
S110: and generating a control signal according to the switching signal and sending the control signal to the conversion module, so that the conversion module cuts off the connection with the first input port assembly according to the control signal and conducts the connection with the second input port assembly, and the step S120 is performed.
S120: it is again detected whether a handover signal is received.
If the switching signal is received again, the process proceeds to step S130.
S130: and generating a control signal according to the switching signal and sending the control signal to the conversion module, so that the conversion module cuts off the connection with the second input port assembly according to the control signal, and conducts the connection with the third input port assembly, and the step S140 is performed.
S140: and circulating in sequence to realize the circulating conduction connection of the docking station and the plurality of input ports.
It should be noted that the input port is used for connecting an external terminal device, including but not limited to any known Type of port, such as a Type-C port, a USB port, etc., and the docking station includes a plurality of sub-ports, and the sub-ports are used for connecting a load.
Preferably, at least one of the input port components comprises a Type-C port, and at least one of the input port components comprises a DP female seat port and a USB port, in this embodiment, the docking station has four input ports, including two Type-C ports, a DP female seat port and a USB3.0 port, which can meet the connection requirements of most of the current terminal devices, thereby realizing free switching of connection between the docking station and at most three terminal devices, reducing the trouble of plugging and unplugging a connection line when the conventional device is switched and connected, significantly improving the experience of a user when the user uses multiple terminal devices in cooperation, and simultaneously not affecting the service life of the docking station.
Specifically, the conversion module converts data transmitted by the Type-C port into a USB data signal and a DP video signal, so that the USB data signal is communicated with the sub-port through an expansion module, and the DP video signal is communicated with the video port through a video module;
or, the conversion module communicates the USB data signal transmitted by the USB port with the sub-port through the expansion module, and communicates the DP video signal transmitted by the DP socket port with the video port through the video module.
In this embodiment, the docking station includes a switch electrically connected to the control module, and the switch is configured to generate a switching signal according to a user requirement. Specifically, the switch generates a switching signal under the control of a user and sends the switching signal to the control module, and the control module sends the switching signal to the conversion module through an I2C protocol after detecting the switching signal, so that the conversion module is connected with and/or disconnected from the input port.
In a specific embodiment, the switch includes a switch key, and when the switch key is pressed by a user, a switch signal is generated, the control module receives and detects the switch signal, and sends a control signal to the conversion module through an I2C protocol after detection, so that the conversion module is connected to and/or disconnected from the input port.
In this embodiment, the first input port component includes a first type c port, the second input port component includes a second type c port, the third input port component includes a DP female socket port and a USB3.0 port, and after the docking station is powered on and initialized, each time the key is pressed down, the signal channels connected to the conversion module are cyclically switched among the signal channel of the first type c port, the signal channel of the second type c port, and the signal channel formed by combining the DP female socket port and the USB3.0 port, so, specifically, referring to fig. 2, the method includes:
s200: the docking station is powered on, and initialization is completed, and the process proceeds to step S210.
S210: whether the switching key is pressed is detected.
If the switch key is pressed, the process proceeds to step S220.
S220: and the conversion module is disconnected with the connected signal channel, establishes connection with the signal channel of the first type C port, and enters step S230.
S230: it is again detected whether the switch key is pressed.
If the switch key is pressed, the process proceeds to step S240.
S240: and the conversion module is disconnected with the connected signal channel, establishes connection with the signal channel of the second type C port, and enters step S250.
S250: it is again detected whether the switch key is pressed.
If the switch key is pressed, the process proceeds to step S260.
S260: the conversion module is disconnected from the connected signal channel, and establishes connection with the signal channel formed by the combination of the DP female socket port and the USB3.0 port, and step S210 is repeated.
It should be noted that the standard Type-C signal includes a DP video signal and a USB data, and therefore, when the conversion module is connected to the signal channel of the first Type C port, the signal channel of the second Type C port, or the signal channel formed by combining the DP socket port and the USB port, the conversion module will only output one set of DP video signal and one set of USB data.
It should be noted that, the method can enable the external terminal device to supply power to the internal power utilization module of the docking station, the docking station is connected with an external power supply through a charging terminal, the control module includes a protocol module, and the protocol module is used for controlling the external power supply to supply power to the external terminal device through the conversion module by using a fast charging identification protocol;
the protocol module is also used for controlling the external terminal equipment to supply power to the internal module of the docking station through the conversion module.
Specifically, to ensure the power safety of the docking station, the method further comprises:
when the docking station is connected with an external power supply and external terminal equipment at the same time, the control module controls the external power supply to supply power to the external terminal equipment through the conversion module by utilizing a quick charge identification protocol;
when the docking station is not connected with an external power supply and is only connected with external terminal equipment, the control module controls the external terminal equipment to supply power to the internal module of the docking station through the conversion module.
Namely:
when the docking station is connected with external terminal equipment and an external power supply at the same time, the power supply connection of the external terminal equipment to the internal power utilization module is cut off, and the power supply connection of the power supply to the internal power utilization module is switched on;
when the docking station is only connected with the external terminal equipment and is not connected with the external power supply, the power supply connection of the power supply to the internal power utilization module is cut off, and the power supply connection of the external terminal equipment to the internal power utilization module is connected.
Specifically, the control module is further configured to control the voltage transformation 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 transformation module, and supply power to the internal module of the docking station with the voltage with the preset voltage value.
Further, the rapid charging identification protocol comprises a PD rapid charging protocol, a QC rapid charging protocol or a PE rapid charging protocol, and the control module comprises a protocol module, and the protocol module is used for being responsible for rapid charging protocol communication of an external power supply and an external terminal device. Therefore, preferably, the method further comprises:
when the docking station is connected with the external terminal equipment and the external power supply at the same time, the protocol module controls the external power supply to supply power to the external terminal equipment by the voltage exceeding the preset voltage value through the quick charge identification protocol.
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.
Preferably, the preset voltage value is +5V, the charging end of the docking station for connecting to an external power supply includes a PD power supply input port for supplying power to the uplink device and the downlink device, and the voltage range of the PD power supply input port is 5V-20V.
It should be noted that the PD rapid charging protocol is all called USB PD (USB Power Delivery, power transfer protocol), and the PD rapid charging protocol is based on a Power transfer concept proposed after USB3.2 Gen2, and can expand the charging capability by 10 times, and can reach up to 100 watts.
Further, the method further comprises:
and after the control module is connected with an external power supply and/or external terminal equipment to enable the external power supply connected with the charging end and/or the external terminal equipment connected with the input port to supply power to the internal power utilization module, the external terminal equipment connected with the input port is initialized through a CC protocol.
Example 2
This embodiment provides a docking station, which can implement the method for switching and connecting terminal devices of the docking station proposed in embodiment 1, and can implement flexible switching among a plurality of terminal devices without repeatedly plugging and unplugging the connecting wires with the docking station, referring to fig. 3, the docking station includes:
a plurality of input ports 1 for connecting external terminal devices;
the conversion module 2 is used for connecting the input port 1 and sequentially and circularly switching and connecting among a plurality of input port components according to the indication of the control signal;
and the control module is used for receiving the switching signal, generating a control signal according to the switching signal and sending the control signal to the conversion module 2.
It should be noted that the input port 1 includes, but is not limited to, any known Type of port, such as a Type-C port, a USB port, etc.
Preferably, referring to fig. 4 and 5, the docking station provided by the present invention is provided with at least one data line 11 for connecting an external terminal device, the data line 11 is provided with at least one input port 1, and the data line 11 is electrically connected to the docking station;
the docking station is provided with a mounting location 12 corresponding to the input port 1 provided to the data line 11, the input port 1 of the data line 11 is detachably connected to the mounting location 12, so that both ends of 11 end to end of data line all can connect and form the string in docking station, have made things convenient for the user to carry docking station.
Preferably, at least one input port component includes a Type-C port, at least one input port component includes a DP female socket port and a USB port, in this embodiment, the docking station has four input ports, including two Type-C ports, a DP female socket port and a USB3.0 port, which can meet the connection requirements of most of the current terminal devices, thereby realizing the free switching of connection between the docking station and at most three terminal devices, reducing the trouble of plugging and unplugging a connection line existing when the conventional device is switched and connected, significantly improving the experience of a user when the user uses multiple terminal devices in a cooperative manner, and simultaneously not affecting the service life of the docking station.
Further, the docking station comprises a switch in signal connection with the control module, the switch is used for generating a switching signal according to user requirements and sending the switching signal to the control module, and the control module sends the switching signal to the conversion module 2 through an I2C protocol after detecting the switching signal, so that the conversion module 2 is connected with and/or disconnected from the input port 1.
In a specific embodiment, the switch includes a switch KEY 31, i.e. a KEY shown in fig. 3, which generates a switch signal when the KEY is pressed, the control module receives the switch signal and detects the switch signal, and sends the switch signal to the conversion module 2 through an I2C protocol after the detection, so that the conversion module 2 is connected to and/or disconnected from the input port 1. Specifically, in this embodiment, each time the key is pressed, the signal channel connected to the conversion module 2 is cyclically switched among the signal channel of the first type c port 13, the signal channel of the second type c port 14, and the signal channel formed by combining the DP socket port 15 and the USB port 16.
It should be noted that the standard Type-C signal includes a DP video signal and a USB data, so when the conversion module 2 is connected to the signal channel of the first Type C port 13, the signal channel of the second Type C port 14, or the signal channel formed by combining the DP socket port 15 and the USB port 16, the conversion module 2 will output only one set of DP video signal and one set of USB data.
Specifically, the docking station further comprises:
the charging terminal 4 is used for connecting an external power supply to supply power to the external terminal equipment connected with the power utilization module in the docking station and the input port 1;
and the plurality of sub-ports 5 are used for connecting loads and performing data interaction with external terminal equipment connected with the input port 1.
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, and in a specific embodiment, the load includes a USB device, and the sub-port 5 includes a USB port.
Illustratively, in fig. 4 and 5, a docking station is shown, in which the input port 1 of the docking station includes a Type-C port, and the sub-port 5 includes two USB ports 16, HDMI port 17, SD port 18 and TF port 19, but it is not to be understood that the limitation on the Type and number of ports in the docking station is not intended, and the Type and number of ports in the docking station can be adjusted according to the requirements of actual production and application.
Specifically, referring to fig. 6, the conversion module 2 is connected to the plurality of input ports 1 and the plurality of sub-ports 5 through the physical layer, respectively, so as to implement data interaction between the input ports 1 and the sub-ports 5.
Further, the docking station further comprises:
the HDMI video module 6 is in signal connection with the conversion module 2, when the conversion module 2 is connected with the DP female socket port in a conducting manner, the HDMI video module 6 is used for receiving the DP video signal transmitted by the DP female socket port through the conversion module 2 and/or the DP video signal converted by the Type-C port through the conversion module 2, and converting the received DP video signal into a standard HDMI high-definition video for output through the HDMI port 17 connected with the HDMI video module 6;
the HUB expansion module 7 and the HUB expansion module 7 are in signal connection with the conversion module 2 and the sub-port 5, and are used for receiving the USB data signals transmitted by the USB port through the conversion module 2 and/or the USB data signals converted by the Type-C port through the conversion module 2, and expanding data of one set of USB into multiple sets of USB data signals to be transmitted to each sub-port 5.
Illustratively, fig. 3 shows a case where the HUB expansion module 7 expands data of one USB group into two USB data signals, but it is not to be understood that the limitation on the number of groups of the HUB expansion module 7 expanding data of one USB group into data signals may be that the number of groups of the USB data signals may be adjusted according to the requirements of the docking station design, for example, more than two groups or less than two groups.
Preferably, the docking station further comprises a transformation module 8, wherein the transformation module 8 is electrically connected to the charging terminal 4 and/or the conversion module 2, and is configured to supply power to the internal power module through an external power source connected to the charging terminal 4 and/or an external terminal device connected to the input port 1, and in this embodiment, the external power source connected to the charging terminal 4 and/or the external terminal device connected to the input port 1 supply power to the control module, the HDMI video module 6, and the HUB expansion module 7 through the transformation module 8.
Further, in this embodiment, the control module is further configured to enable the voltage transformation module 8 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 signal to the voltage transformation module 8, and supply power to the control module, the HDMI video module 6, and the HUB extension module 7 by using the voltage with 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 includes a protocol module, the protocol module is disposed between the charging terminal 4 and the conversion module 2, and when the docking station is connected to the external terminal device and the external power source at the same time, the protocol module controls the external power source connected to the charging terminal 4 through a fast charging protocol to perform fast charging on the external terminal device connected to the input port 1 with a voltage exceeding the preset voltage value. Preferably, the fast charging protocol comprises a PD fast charging protocol.
Further, the protocol module is further configured to initialize the external terminal device connected to the input port 1 through the CC protocol after the external power source and/or the external terminal device is connected to supply power to the internal power consumption module from the external power source connected to the charging port 4 and/or the external terminal device connected to the input port 1.
It should be noted that the PD protocol is all 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.
Specifically, referring to fig. 7, the voltage transformation module 8 includes a first chip Q1 and a first MOS transistor Q2, and there are many specific selectable types of the first chip Q1, where the first chip Q1 includes, but is not limited to, any one of known types of chips, and in this embodiment, the type of the first chip Q1 is GTD3419;
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 grid G of the first MOS transistor Q2 receives a high level, the first MOS transistor Q2 is in a conducting state; when the grid G of the first MOS tube Q2 receives a low level, the first MOS tube Q2 is in a cut-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, the second resistor R2 is connected in parallel between the source S of the first MOS transistor Q2 and the gate G of the first MOS transistor Q2, and the gate G of the first MOS transistor Q2 is configured to receive a signal sent by the PD control module, that is, a GPIO5 signal shown in fig. 7.
Furthermore, a first end of the first chip Q1 is connected to VBUS _ M, a second end of the first chip Q1 is connected to BUS _5V, a third end of the first chip Q1 is connected to the drain D of the first MOS transistor Q2, and a first resistor R1 is connected in parallel between the first end of the first chip Q1 and the third end of the first chip Q1.
Specifically, referring to fig. 8, the transformer circuit 8 further includes a second chip U1 and a second MOS transistor Q3, and specific selectable models of the second chip U1 are many, the second chip U1 includes, but is not limited to, any one of known models, and in one specific embodiment, the model of the second chip U1 is MT3905;
the second MOS transistor Q3 is an N-type metal oxide semiconductor field effect transistor, and when an NMOS transistor is used, the first electrode of the second MOS transistor Q3 is a drain D, and the second electrode is a source S. When the grid G of the second MOS transistor Q3 receives a high level, the second MOS transistor Q3 is in a conducting state; when the grid G of the second MOS tube Q3 receives a low level, the second MOS tube Q3 is in a cut-off state.
Specifically, the drain D of the second MOS transistor Q3 is connected to the second chip U1, the source S of the second MOS transistor Q3 is grounded, and the gate G of the second MOS transistor Q3 is configured to receive a signal sent by the PD control module, that is, a GPIO6 signal shown in fig. 8.
Further, a signal input end VIN of the second chip U1 is connected to VBUS _ M, an enable end EN of the second chip U1 is connected to a drain D of the second MOS transistor Q3, and a SW end of the second chip U1 is connected to BUS _ SV through the first inductor L1;
a capacitor is connected between the SW end of the second chip U1 and the BST end of the second chip U1, a third resistor R3 is connected in parallel between the signal input end VIN of the second chip U1 and the enable end EN of the second chip U1, a fourth resistor R4 is connected in parallel between the SW end of the second chip U1 and the FB end of the second chip U1, and the FB end of the second chip U1 is grounded through a fifth resistor R5.
Furthermore, the docking station also comprises an on-off module, wherein 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 4 and the transformation module 8 according to the on-off signal, and cutting off the power supply circuit between the conversion module 2 and the transformation module 8;
or, according to the on-off signal, the power supply circuit between the charging terminal 4 and the voltage transformation module 8 is cut off, and the power supply circuit between the conversion module 2 and the voltage transformation module 8 is conducted.
In this embodiment, the on-off module includes the MOS switch 9, the MOS switch 9 is disposed between the charging terminal 4 and the voltage transformation module 8, and between the input port 1 and the voltage transformation module 8, and the MOS switch 9 is configured to switch the power supply line between the charging terminal 4 and the voltage transformation module 8, and the power supply line between the input port 1 and the voltage transformation module 8 according to a signal sent by the control module, so as to ensure the power consumption safety of the terminal device.
Specifically, the MOS switch 9 switches the power supply connection and disconnection between the charging terminal 4 and the input port 1 through a signal sent by the control module, and when the docking station is not connected with an external power supply through the charging terminal 4 and is only connected with an external terminal device through the input port 1, the control module issues an instruction to enable the MOS switch 9 to cut off the power supply line connection between the charging terminal 4 and the transformation module 8 and conduct the power supply line connection between the input port 1 and the transformation module 8;
when the docking station is connected with an external power supply through the charging end 4 and is connected with external terminal equipment through the input port 1, the control module issues an instruction to enable the MOS switch 9 to be connected with a power supply line between the charging end 4 and the voltage transformation module 8, and the power supply line between the input port 1 and the voltage transformation module 8 is cut off to be connected, so that the power utilization safety of the terminal equipment is ensured.
In summary, the present invention provides a method for switching connection of a terminal device of a docking station and the docking station, and the method provided by the present invention enables a user to switch between a plurality of computers or mobile phones connected with the docking station without plugging and unplugging a connection line, thereby reducing inconvenience for the user due to the switching device, and avoiding the influence on the service life of the docking station due to frequent plugging and unplugging of the connection line.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. A method for switching connection of terminal equipment of a docking station, which is applied to the docking station with a plurality of input ports, and is characterized in that the method comprises the following steps:
detecting whether a switching signal is received;
if the switching signal is received, generating a control signal according to the switching signal and sending the control signal to a conversion module, so that the conversion module cuts off the connection with a first input port assembly according to the control signal and conducts the connection with a second input port assembly;
detecting whether a switching signal is received again;
if the switching signal is received again, the control signal is generated according to the switching signal and is sent to the conversion module, so that the conversion module cuts off the connection with the second input port assembly according to the control signal, conducts the connection with the third input port assembly, and circulates in sequence, and the circulating conduction connection between the docking station and the plurality of input ports is realized.
2. The method of claim 1, wherein at least one of the input port assemblies comprises a Type-C port, and at least one of the input port assemblies comprises a DP female socket port and a USB port.
3. The method for switching connection of a terminal device of a docking station according to claim 2, further comprising:
the conversion module converts the data transmitted by the Type-C port into a USB data signal and a DP video signal, so that the USB data signal is communicated with a sub-port through an expansion module, and the DP video signal is communicated with a video port through a video module;
or, the conversion module communicates the USB data signal transmitted by the USB port with the sub-port through the expansion module, and communicates the DP video signal transmitted by the DP socket port with the video port through the video module.
4. The method for switching connection of terminal device of docking station according to claim 1, wherein the switching signal is generated by a user-controlled switch.
5. The method of claim 4, wherein the switch is electrically connected to the control module.
6. The method for switching connection of a terminal device of a docking station according to claim 1, further comprising:
when the docking station is connected with an external power supply and the external terminal equipment at the same time, the control module controls the external power supply to supply power to the external terminal equipment through the conversion module by utilizing a quick charge identification protocol;
when the docking station is not connected with the external power supply and is only connected with the external terminal equipment, the control module controls the external terminal equipment to supply power to the internal module of the docking station through the conversion module.
7. The method of claim 6, further comprising:
the control module initializes the external terminal equipment through a CC protocol.
8. A docking station characterized in that a terminal device switching connection method of the docking station as claimed in any of claims 1 to 7 is enabled, comprising:
a plurality of input ports for connecting external terminal devices;
the conversion module is used for connecting the input ports and sequentially and circularly switching and connecting among the input port assemblies according to the indication of the control signal;
and the control module is used for receiving a switching signal, generating the control signal according to the switching signal and sending the control signal to the conversion module.
9. The docking station of claim 8, further comprising:
and the selector switch is used for generating the switching signal sent to the control module.
10. The docking station of claim 8, further comprising a plurality of sub-ports for connecting a load, the conversion module is connected with the sub-port to realize data interaction between the input port and the sub-port.
CN202210725015.9A 2021-12-27 2022-06-24 Docking station terminal equipment switching connection method and docking station Pending CN115145850A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210725015.9A CN115145850A (en) 2022-06-24 2022-06-24 Docking station terminal equipment switching connection method and docking station
PCT/CN2022/134891 WO2023124699A1 (en) 2021-12-27 2022-11-29 Control method, apparatus, screen projection device, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210725015.9A CN115145850A (en) 2022-06-24 2022-06-24 Docking station terminal equipment switching connection method and docking station

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115296099A (en) * 2022-10-08 2022-11-04 深圳市联发讯电子科技有限公司 Docking station connection method and device, docking station and computer readable storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115296099A (en) * 2022-10-08 2022-11-04 深圳市联发讯电子科技有限公司 Docking station connection method and device, docking station and computer readable storage medium
CN115296099B (en) * 2022-10-08 2023-05-23 深圳市联发讯电子科技有限公司 Docking station connection method, docking station connection device, docking station and computer readable storage medium

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