CN218123908U

CN218123908U - Docking station

Info

Publication number: CN218123908U
Application number: CN202221617406.0U
Authority: CN
Inventors: 何世友; 房俊恺
Original assignee: Shenzhen Baseus Technology Co Ltd
Current assignee: Shenzhen Baseus Technology Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-23
Anticipated expiration: 2032-06-24

Abstract

The utility model provides a docking station, including a plurality of input ports, a plurality of subport, converting circuit, communication circuit and expanding circuit, the input port includes Type-C port and/or USB port, be used for connecting external terminal equipment, converting circuit is used for connecting input port, convert Type-C port's signal into USB data signal, communication circuit is used for conveying the switching signal of its input port of switching connection of drive to converting circuit, expanding circuit and converting circuit signal connection, be used for receiving Type-C port and/or USB port through the USB data of converting circuit conveying, expand the USB data into the USB data signal of multiunit conveying subport. The utility model provides a docking station makes the unnecessary plug connecting wire of user, can switch over between the many computers or the cell-phone that docking station connects, has reduced the inconvenience of bringing for the user because of the switching equipment, has avoided leading to influencing docking station's life because of frequent plug connecting wire simultaneously.

Description

Docking station

Technical Field

The utility model belongs to the technical field of the docking station, concretely relates to docking station.

Background

Docking Station (Docking Station) is an external device designed for smart devices. The docking station is provided with a plurality of different types of data input interfaces, and when the docking station is connected with the intelligent device, the intelligent device is connected with a plurality of different types of external devices 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.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model discloses a, provide a docking station, include:

the input ports comprise Type-C ports and/or USB ports and are used for connecting external terminal equipment;

a plurality of sub-ports for connecting loads;

the conversion circuit is used for connecting the input port and converting the signal of the Type-C port into a USB data signal;

a communication circuit for transmitting a switching signal for driving the input port to which the switching connection is switched to the conversion circuit;

and the expansion circuit is in signal connection with the conversion circuit and is used for receiving the USB data signals transmitted by the USB port through the conversion circuit and/or the USB data signals converted by the Type-C port through the conversion circuit and expanding the USB data signals into a plurality of groups of USB data signals transmitted to the sub-ports.

Specifically, the docking station further comprises a switch in signal connection with the communication circuit, and the switch is used for generating the switching signal and sending the switching signal to the communication circuit.

Further, the change-over switch is electrically connected with the communication circuit

Optionally, the input port includes a Type-C port and/or a DP female socket port, and the conversion circuit is further configured to convert a signal of the Type-C port into a DP video signal.

Further, the docking station further comprises:

the HDMI video circuit is in signal connection with the conversion circuit and is used for receiving the DP video signal transmitted by the conversion circuit and/or the DP video signal converted by the conversion circuit and converted by the Type-C port and converting the DP video signal into a standard HDMI high-definition video for output through the HDMI port connected with the HDMI video circuit.

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 for the internal power utilization circuit of the docking station and the external terminal equipment connected with the input port.

Further, the docking station further comprises:

the communication circuit is used for sending signals to the transformation circuit, so that the transformation circuit transforms the voltage provided by the external power supply and/or the external terminal equipment and supplies power to the internal power circuit of the docking station.

Further, the communication circuit comprises a protocol circuit, and the protocol circuit is used for enabling the external power supply to supply power to the external terminal device through the conversion circuit by utilizing a fast charging identification protocol.

Preferably, a CC protocol is set between the protocol circuit and the conversion circuit, and the protocol circuit initializes the external terminal device through the CC protocol.

Further, the docking station further comprises:

at least one data line, said data line having at least one said input port, said data line being conductively coupled to said docking station;

the installation position, the installation position with the data line sets up input port corresponds, the data line the input port detachably connects the installation position is used for making the data line end to end both ends all can connect in docking station forms hangs the rope.

The utility model discloses following beneficial effect has at least:

the utility model provides a docking station has solved the user when using docking station, if need switch the external terminal equipment that docking station connects, then must pull out the connecting wire of the equipment that connects earlier, the problem of inserting the connecting wire of the equipment that needs to be changed again, has reduced unnecessary trouble, has promoted user's use and has experienced, has also prevented to cause the influence to the life of docking station because of frequently pulling out and inserting the connecting wire;

further, the utility model provides a docking station can realize the circulation switching signal channel between a plurality of connection interface, has made things convenient for user's use to can be through power or terminal equipment for docking station's power consumption circuit power supply, comparatively nimble.

Therefore, the utility model provides a docking station makes unnecessary plug connecting wire of user, can switch between the multiple computers or the cell-phone that docking station connects, has reduced the inconvenience of bringing for the user because of the switching equipment, has avoided leading to influencing docking station's life because of frequent plug connecting wire simultaneously.

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 circuit diagram of the overall structure of the docking station provided by the present invention;

fig. 2 is a schematic overall structure diagram of the docking station provided by the present invention;

fig. 3 is a schematic diagram of an internal structure of the docking station provided by the present invention;

FIG. 4 is a schematic circuit diagram of the conversion circuit;

FIG. 5 is a schematic diagram of a first part of the transformer circuit;

fig. 6 is a schematic diagram of a second circuit part of the transformer circuit.

Reference numerals:

1-an input port; 2-a conversion circuit; 3-a communication circuit; 4-a charging terminal; 5-sub-port; 6-HDMI video circuit; 7-HUB expansion circuit; 8-a voltage transformation circuit; 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; an 18-SD port; a 19-TF port; 31-switch key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a docking station need not relapse plug and docking station's connecting wire, can realize carrying out nimble switching between many terminal equipment, please refer to fig. 1, docking station includes:

a plurality of input ports 1 for connecting external terminal devices;

the conversion circuit 2 is used for connecting the input port 1 and converting signals transmitted by the input port;

a communication circuit 3 for transmitting a switching signal for driving the input port 1 to which the connection is switched to the conversion circuit 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, and the like.

Preferably, referring to fig. 2 and 3, 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;

docking station is equipped with the installation position 12 that input port 1 corresponds with the setting of data line 11, and installation position 12 is connected to the input port 1 detachably of data line 11 to make 11 end to end homoenergetic of data line connect and form in docking station and hang the rope, made things convenient for the user to carry docking station.

Preferably, the docking station has four input ports 1, including two Type-C ports, a DP female socket port and a USB3.0 interface, wherein an input port subassembly is constituteed to the DP female socket port and USB3.0 port, converting circuit is used for converting the signal of Type-C port into USB data signal and DP video signal respectively, can satisfy the connection demand of most present terminal equipment, the free switching of being connected between docking station and three terminal equipment at most has been realized, the trouble of the plug connecting wire that exists when traditional equipment switches the connection has been reduced, the experience when the user uses many terminal equipment in coordination is obviously promoted, simultaneously also can not influence the life of docking station.

Further, the docking station comprises a switch in signal connection with the communication circuit 3, the switch is electrically connected with the communication circuit 3 and used for generating a switching signal according to the user requirement and sending the switching signal to the communication circuit 3, and after the communication circuit 3 detects the switching signal, the switching signal is sent to the conversion circuit 2 through an I2C protocol, so that the conversion circuit 2 is connected with the input port 1 and/or disconnected.

In a specific embodiment, the switch includes a switch KEY 31, i.e. a KEY shown in fig. 1, which generates a switch signal when the KEY is pressed, the communication circuit 3 receives the switch signal and detects the switch signal, and sends the switch signal to the conversion circuit 2 through an I2C protocol after the detection, so that the conversion circuit 2 is connected to and/or disconnected from the input port 1. Specifically, in the present embodiment, each time the key is pressed, the signal path connected to the conversion circuit 2 is cyclically switched among the signal path of the first TypeC port 13, the signal path of the second TypeC port 14, and the signal path of the input port assembly 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 USB data, and therefore, when the conversion circuit 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 of the input port assembly formed by combining the DP socket port 15 and the USB port 16, the conversion circuit 2 outputs 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 external terminal equipment connected with the power utilization circuit in the docking station and the input port 1;

and the 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. 2 and 3, 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. 4, the conversion circuit 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 circuit 6 and the HDMI video circuit 6 are in signal connection with the conversion circuit 2, when the conversion circuit 2 is connected with the DP female socket port in a conducting mode, the HDMI video circuit 6 is used for receiving DP video signals transmitted by the DP female socket port through the conversion circuit 2 and/or DP video signals converted by the Type-C port through the conversion circuit 2, and converting the received DP video signals into standard HDMI high-definition video through the HDMI port 17 connected with the HDMI video circuit 6 for outputting;

the HUB expansion circuit 7 and the HUB expansion circuit 7 are in signal connection with the conversion circuit 2 and the sub-port 5, and are used for receiving the USB data signals transmitted by the USB port through the conversion circuit 2 and/or the USB data signals converted by the Type-C port through the conversion circuit 2, and expanding data of one set of USB into a plurality of sets of USB data signals to be transmitted to the sub-ports 5.

Illustratively, fig. 1 shows a case where the HUB expansion circuit 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 circuit 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 transforming circuit 8, the transforming circuit 8 is electrically connected to the charging terminal 4 and/or the converting circuit 2, and is used for supplying power to the internal power utilization circuit through an external power source connected to the charging terminal 4 and/or an external terminal device connected to the input port 1, 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 supplies power to the communication circuit 3, the HDMI video circuit 6 and the HUB expansion circuit 7 through the transforming circuit 8.

Further, in the present embodiment, the communication circuit 3 is further configured to enable the transforming circuit 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 transforming circuit 8, and supply power to the communication circuit 3, the HDMI video circuit 6, and the HUB expansion circuit 7 with 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 communication circuit 3 includes a protocol circuit, the protocol circuit is disposed between the charging terminal 4 and the conversion circuit 2, and when the docking station is connected to the external terminal device and the external power supply at the same time, the protocol circuit utilizes a fast charging identification protocol to enable the external power supply connected to the charging terminal 4 to perform fast charging with a voltage exceeding the preset voltage value for the external terminal device connected to the input port 1 through the conversion circuit 2. Preferably, the fast charging identification protocol includes a PD fast charging protocol, a QC fast charging protocol, or a PE fast charging protocol.

Further, the protocol circuit 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 utilization circuit 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. 5, the voltage transformation circuit 8 includes a first chip Q1 and a first MOS transistor Q2, and there are many specific 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 communication circuit 3, that is, a GPIO5 signal shown in fig. 5.

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. 6, 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 known model, and in a 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 communication circuit 3, that is, a GPIO6 signal shown in fig. 6.

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 an 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 circuit, wherein the on-off circuit is used for receiving an on-off signal sent by the communication circuit 3, conducting a power supply circuit between the charging end 4 and the transformation circuit 8 according to the on-off signal, and cutting off the power supply circuit between the conversion circuit 2 and the transformation circuit 8;

or, according to the on-off signal, the power supply line between the charging terminal 4 and the transformation circuit 8 is cut off, and the power supply line between the conversion circuit 2 and the transformation circuit 8 is conducted.

In this embodiment, the on-off circuit includes the MOS switch 9, the MOS switch 9 is disposed between the charging terminal 4 and the voltage transformation circuit 8, and between the input port 1 and the voltage transformation circuit 8, and the MOS switch 9 is configured to switch the power supply line between the charging terminal 4 and the voltage transformation circuit 8, and the power supply line between the input port 1 and the voltage transformation circuit 8 according to a signal sent by the communication circuit 3, 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 communication circuit 3, and when the docking station is not connected with an external power supply through the charging terminal 4 and is connected with an external terminal device only through the input port 1, the communication circuit 3 sends a signal to enable the MOS switch 9 to cut off the power supply line connection between the charging terminal 4 and the transformation circuit 8 and conduct the power supply line connection between the input port 1 and the transformation circuit 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 communication circuit 3 sends a signal to enable the MOS switch 9 to be connected with a power supply line between the charging end 4 and the voltage transformation circuit 8, and the power supply line between the input port 1 and the voltage transformation circuit 8 is cut off to ensure the power utilization safety of the terminal equipment.

To sum up, the utility model provides a docking station makes unnecessary plug connecting wire of user, can switch between the many computers or the cell-phones that docking station connects, has reduced the inconvenience of bringing for the user because of the switching equipment, has avoided leading to influencing docking station's life because of frequent plug connecting wire simultaneously.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A docking station, comprising:

a plurality of sub-ports for connecting loads;

2. The docking station of claim 1, further comprising a switch in signal connection with the communication circuit, the switch configured to generate the switching signal and transmit the switching signal to the communication circuit.

3. The docking station of claim 2, wherein the switch electrically connects the communication circuit.

4. The docking station of claim 1, wherein the input port comprises a Type-C port and/or a DP female socket port, and the conversion circuit is further configured to convert signals of the Type-C port into DP video signals.

5. The docking station of claim 4, further comprising:

6. The docking station of claim 1, further comprising:

7. The docking station of claim 6, further comprising:

8. The docking station of claim 7, wherein the communication circuitry comprises protocol circuitry configured to cause the external power source to power the external terminal device through the conversion circuitry using a fast charge identification protocol.

9. The docking station of claim 8, wherein a CC protocol is provided between the protocol circuit and the conversion circuit, and the protocol circuit initializes the external terminal device according to the CC protocol.

10. The docking station of claim 1, further comprising:

at least one data line, wherein the data line is provided with at least one input port and is in conductive connection with the docking station;

the installation position, the installation position with the data line sets up input port corresponds, the data line the input port detachably connects the installation position, so that data line head and the tail both ends all can connect in docking station forms the string.