CN205318378U - Type -C type USB concentrator - Google Patents

Abstract

The utility model relates to a type -C type USB concentrator, including shell and electric functional unit, wherein electric functional unit includes type -C input interface, type -C agreement control circuit, type -C output interface, power management module, battery, host system, data transmission control module, concentrator module, USB interface, image processing module and video interface. The utility model discloses the integration has the battery, carries out the charge -discharge management through power management module to the battery to possess portable power source's function, can charge to the electronic equipment who connects through the type -C USB interface, thereby pass through the function that type -C type USB concentrator and portable power source were realized to an equipment, can save equipment quantity and space that the user carried.

Description

Type-C USB hub

technical field

The utility model relates to a hub, in particular to a Type-C USB hub.

Background technique

The Type-C USB interface is a new type of USB interface, which has a small and thin appearance, supports forward and reverse insertion, and has a higher transmission rate and greater output power.

A USB hub (USBHub) is a pair of devices that expands a USB interface into multiple interfaces (including other interfaces other than USB). For the USB hub adopting Type-CUSB, because it has greater output power, it consumes a lot of power to the device. If the mobile device using the USB hub has no external power supply, it will quickly run out of power.

Utility model content

Based on this, it is necessary to provide a Type-C USB hub with a mobile power supply function.

A Type-C USB hub, including a shell and electrical functional parts, the electrical functional parts are arranged in the shell or connected with the shell, the electrical functional parts include: a Type-C input interface, used for adapter connection Input; Type-C output interface, for connecting electronic equipment; Type-C protocol control circuit, connected with the Type-C input interface and Type-C output interface, for the Type-C input interface and Type-C output The interface performs power supply control; the image processing module is connected to the Type-C output interface, and is used to convert the video data input through the Type-C output interface into a video signal that the video interface can output; the video interface is used to output The video signal; the battery, which supplies power to the connected electronic equipment through the Type-C output interface; the power management module, which is connected with the battery, the Type-C input interface and the Type-C output interface, and is used to charge the battery Discharge management; the battery is charged by the current input through the Type-C input interface; the data transmission control module is connected with the Type-C output interface, and is used to control and manage the data transmitted through the Type-C output interface The hub module is connected with the data transmission control module and is used to divide one USB signal into multiple USB signals; multiple USB interfaces are connected with the hub module for outputting USB signals and plugging them into each USB interface The device on the device is charged; the main control module is connected with the data transmission control module and the power management module, and is used to coordinate and control the overall function of the Type-C USB hub.

In one of the embodiments, the video interface includes an HDMI interface and a VGA interface, and the Type-C USB hub also includes an audio conversion module connected to the Type-C output interface and the HDMI interface, for converting the The audio data input by the Type-C output interface is converted into an HDMI signal and then output together with the video signal converted by the image processing module through the HDMI interface.

In one of the embodiments, the power management module includes: a step-down power supply unit, which is connected to the Type-C input interface and the main control module, and is used to step down the voltage input by the Type-C input interface to obtain The voltage suitable for the main control module, so as to provide working power for the main control module; the charging control unit is connected with the step-down power supply unit, receives the reduced voltage and controls the charging of the battery; the battery management system circuit, and The charging control unit is connected to the battery, and is used to detect the current and voltage of the battery, calculate the state of charge of the battery, and detect the ambient temperature; the boost circuit is connected to the battery management system circuit and the Type-C The protocol control circuit is connected, and is used to output the voltage output by the battery to the Type-C protocol control circuit after DC boost processing, and to the Type-C protocol control circuit through the Type-C output interface under the control of the Type-C protocol control circuit. Connected electronics are powered.

In one of the embodiments, it also includes a network card and a network cable interface, the network card is connected to the data transmission control module and the network cable interface, and the network cable interface is used to plug in the network cable, thereby connecting the Type-C output interface to the electronic device Connect to the network.

In one of the embodiments, it also includes a card reader and a memory card socket, the card reader is connected to the data transmission control module and the memory card socket, the memory card socket is used for inserting a memory card, and the reader The card reader is used to read and write data to the memory card, and perform data interaction with the electronic device connected to the Type-C output interface under the control of the data transmission control module.

In one of the embodiments, it also includes a data line, the outer surface of the housing is provided with a receiving groove, the Type-C output interface is connected to the Type-C protocol control circuit in the housing through the data line, and the housing The size of the slot matches the outer contour of the data line and the plug of the Type-C output interface, so that the plug of the Type-C output interface and the data line connected thereto can be fitted into the receiving slot.

In one of the embodiments, at least one indicator light is provided on the outer surface of the housing to indicate the remaining power of the battery.

In one of the embodiments, the outer surface of the housing is also provided with a button for switching and controlling the discharge function of the battery, the button is in the "on" state and the Type-C input interface is not connected When using the adapter, the external power supply is provided by the battery.

In one of the embodiments, when the Type-C input interface is not connected to the adapter and the button is in the "off" state, the electronic device connected to the Type-C output interface is the Type-C type USB hub.

In one of the embodiments, it further includes a storage unit connected to the image processing module for storing image data.

The above-mentioned Type-C USB hub integrates a battery, and manages the charging and discharging of the battery through the power management module, so that it has the function of a mobile power supply, and can charge the connected electronic device through the Type-C USB interface, thereby realizing Type- The functions of Type-C USB hub and power bank can save the number and space of devices carried by users.

Description of drawings

Fig. 1 is a structural block diagram of the electrical functional parts of the Type-C USB hub in an embodiment;

Fig. 2 is the structural block diagram of the electrical function part of Type-C USB hub in another embodiment;

Fig. 3 is a schematic diagram of the appearance of a Type-C USB hub in an embodiment;

Fig. 4 is a front view of the Type-C USB hub shown in Fig. 3;

Fig. 5 is a bottom view of the Type-C USB hub shown in Fig. 4;

Fig. 6 is a left view of the Type-C USB hub shown in Fig. 4;

Fig. 7 is a right side view of the Type-C USB hub shown in Fig. 4 .

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions are used herein for the purpose of description only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The Type-C USB hub includes a shell and electrical functional parts, and the electrical functional parts are arranged in the shell or on the surface of the shell. FIG. 1 is a structural block diagram of electrical functional components of a Type-C USB hub in an embodiment. Type-C USB hub includes Type-C input interface 110, Type-C protocol control circuit 120, Type-C output interface 130, power management module 210, battery 220, main control module 310, data transmission control module 320, hub module 410 , USB interface 420 , image processing module 510 and video interface 520 .

The Type-C input interface 110 is used for connecting an adapter. In this embodiment, a Type-C female interface that supports the power supply (PD) function of the USB Type-C Association standard is adopted, and supports 5V/12V/14.5V/20V voltage and 3A current.

The Type-C protocol control circuit 120 is connected to the Type-C input interface 110 and the Type-C output interface 130 , and is used to control the power supply of the Type-C input interface 110 and the Type-C output interface 130 .

The Type-C output interface 130 is used to connect electronic devices, such as laptops, mobile phones, and tablet computers. In this embodiment, the Type-C output interface 130 is a Type-C male interface, and may also be a female interface in other embodiments.

The image processing module 510 is connected to the Type-C output interface 130 , and is used for converting the video data input by the electronic device through the Type-C output interface 130 into a video signal output by the video interface 520 .

The video interface 520 is used to output video signals. The video interface 520 can be plugged into a display device, such as a TV, a monitor, a projector, etc., and the video is played through the display device.

The battery 220 can supply power to connected electronic devices through the Type-C output interface 130, that is, it can be used as a mobile power supply. In this embodiment, the battery 220 is a cell with a capacity of 10AH and a voltage of 3.8V. In other embodiments, batteries of other specifications may also be used.

The power management module 210 is connected with the battery 220 , the Type-C input interface 110 and the Type-C output interface 130 , and is used for managing the charging and discharging of the battery 220 . Wherein, the battery 220 is charged by the current input through the Type-C input interface 110 .

The data transmission control module 320 is connected to the Type-C output interface 130 for controlling and managing the data transmitted through the Type-C output interface 130 .

The hub module 410 is connected to the data transmission control module 320 , and under the control of the data transmission control module 320 , one USB signal of the Type-C output interface 130 is divided into multiple USB signals.

Multiple USB interfaces 420 (only one box is drawn in FIG. 1 ) are used to output USB signals and charge devices plugged into each USB interface. The USB interfaces 420 are connected to the hub module 410, and these USB interfaces 420 include at least one Type-C USB interface. Referring to FIG. 2 , in this embodiment, it includes two USB3.0 standard Type-A interfaces 424 and one Type-C interface 422 , and these USB interfaces can be used at the same time.

The main control module 310 is connected with the data transmission control module 320 and the power management module 210, and is used for coordinating and controlling the overall functions of the Type-C USB hub.

The above-mentioned Type-C USB hub integrates the battery 220, and manages the charge and discharge of the battery 220 through the power management module 210, so as to have the function of a mobile power supply, and can charge the connected electronic device through the Type-C USB interface, thereby passing a device Realize the functions of Type-C USB hub and mobile power supply, which can save the number and space of devices carried by users.

Fig. 2 is a structural block diagram of electrical functional components of a Type-C USB hub in another embodiment. In this embodiment, the video interface 520 includes a high-definition multimedia interface (HDMI interface 524 ) and a video image array interface (VGA interface 522 ). The Type-C type USB hub also includes an audio conversion module 530 connected to the Type-C output interface 130 and the HDMI interface 524, for converting the audio data inputted through the Type-C output interface 130 into an HDMI signal and connecting with the image processing module 510 The converted video signals are output through the HDMI interface 524 together. The HDMI interface 524 supports the output of high-definition 4K video.

In the embodiment shown in FIG. 2 , the power management module 210 includes a step-down power supply unit 212 , a charging control unit 214 , a battery management system circuit 216 and a boost circuit 218 .

The step-down power supply unit 212 is connected with the Type-C input interface 110 and the main control module 310, and is used to step down (buck) the voltage input by the Type-C input interface 110 to obtain a voltage suitable for the main control module 310, thereby providing The main control module 310 provides working power.

The charging control unit 214 is connected to the step-down power supply unit 212 , receives the reduced voltage and transmits it to the battery 220 through the battery management system circuit 216 , and controls the charging of the battery 220 .

The battery management system (BMS) circuit 216 is connected with the charging control unit 214 and the battery 220, and is used to detect the ambient temperature and detect the current and voltage of the battery 220, and calculate the state of charge (SOC) of the battery, so as to calculate the battery state of the battery 220. Indicates the remaining power. In one embodiment, the battery management system circuit 216 is also used for overvoltage protection and overcurrent protection for the battery 220 . In one embodiment, the battery management system circuit 216 uses impedance tracking method to calculate the remaining capacity of the battery, specifically by detecting the voltage of the battery pack under relaxation and load, and integrating the charging/discharging current to calculate the remaining capacity of the battery. Because of continuous monitoring, the true remaining capacity of the battery can be accurately calculated throughout the life of the battery pack.

In one embodiment, the electrical functional parts of the Type-C USB hub further include a liquid crystal display for displaying parameters such as remaining battery capacity, battery voltage, and ambient temperature.

The boost circuit 218 is connected with the battery management system circuit 216 and the Type-C protocol control circuit 120, and is used to output the voltage output by the battery 220 to the Type-C protocol control circuit 120 after performing DC boost (boost) processing. Under the control of the C protocol control circuit 120 , power is supplied to the connected electronic equipment through the Type-C output interface 130 .

In one of the embodiments, the Type-C USB hub also includes a network card and a network cable interface. The network card is connected with the data transmission control module 320 and the network cable interface, and the network cable interface is used to plug in the network cable, so as to connect the electronic equipment connected to the Type-C output interface 130 to the network, and provide the Type-C output interface through the LAN in an environment without WiFi 130 connected electronic devices to the Internet. The network cable interface can be an RJ45 interface, etc., and the network card can be a Gigabit network card supporting 10/100/1000 mbps.

In one of the embodiments, the Type-C USB hub further includes a card reader and a memory card slot. The card reader is connected with the data transmission control module and the memory card socket, and the memory card socket is used for inserting the memory card. The card reader is used to read and write data to the memory card, and perform data interaction with the electronic device connected to the Type-C output interface 130 under the control of the data transmission control module. The card reader can be an all-in-one card reader supporting memory cards in multiple formats such as SD card, TF card, and CF card, or a card reader corresponding to a single memory card.

In one of the embodiments, the Type-C USB hub further includes a storage unit connected to the image processing module 510 for storing image data.

Fig. 3 is a schematic diagram of the appearance of the Type-C USB hub in an embodiment, Fig. 4 is a front view of the Type-C USB hub shown in Fig. 3, and Fig. 5 is a bottom view of the Type-C USB hub shown in Fig. 4 , Figure 6 is a left side view of the Type-C USB hub shown in Figure 4, and Figure 7 is a right side view of the Type-C USB hub shown in Figure 4.

Referring to FIG. 5 , the Type-C USB hub further includes a data line 132 . The outer surface of the housing is provided with a receiving groove (not shown in FIG. 5 ), and the Type-C output interface 130 is connected to the Type-C protocol control circuit 120 in the housing through a data line 132 . The size of the receiving groove matches the outer contour of the cover film (overmold) 134 and the plug (plug) of the data line 132 and the Type-C output interface, so that the cover film 134 and the data line 132 connected thereto can be embedded in the receiving groove .

Referring to Fig. 5, in this embodiment, the surface of the housing is formed with text marks, which are used to carry out VGA interface 522, HDMI interface 524, Type-C interface 422, Type-A interface 424, network cable interface 434 and memory card socket 444. instruct.

In one embodiment, at least one indicator light is provided on the outer surface of the housing to indicate the remaining power of the battery. Multiple LEDs (for example, 4) can be set, and the remaining power of the battery 220 can be indicated by the number of LEDs that are lit. Alternatively, the remaining power is indicated by different colors of the LED, for example, green means high power, yellow means low power, and red means power is exhausted.

In one of the embodiments, the outer surface of the shell is further provided with a button for switching and controlling the discharge function of the battery 220 . When the key is in the "On" state and the Type-C input interface 110 is not connected to the adapter, the battery 220 supplies power to the outside; when the Type-C input interface 110 is not connected to the adapter and the key is in the "Off" state, the Type-C output The electronic device connected to the interface 130 supplies power to the Type-C USB hub.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. For the sake of concise description, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A Type-C type USB hub, comprising a shell and electrical functional parts, the electrical functional parts are arranged in the shell or connected with the shell, it is characterized in that the electrical functional parts include: Type-C input interface for adapter access; Type-C output interface for connecting electronic devices; The Type-C protocol control circuit is connected to the Type-C input interface and the Type-C output interface, and is used to control the power supply of the Type-C input interface and the Type-C output interface; An image processing module, connected to the Type-C output interface, for converting the video data input through the Type-C output interface into a video signal that can be output by the video interface; a video interface for outputting the video signal; Battery, which supplies power to connected electronic devices through the Type-C output interface; The power management module is connected to the battery, the Type-C input interface and the Type-C output interface, and is used to charge and discharge the battery; the battery is charged by the current input by the Type-C input interface; A data transmission control module, connected to the Type-C output interface, for controlling and managing the data transmitted through the Type-C output interface; A hub module, connected to the data transmission control module, for dividing one USB signal into multiple USB signals; A plurality of USB interfaces are connected to the hub module for outputting USB signals and charging devices plugged into each USB interface; The main control module is connected with the data transmission control module and the power management module, and is used for coordinating and controlling the overall functions of the Type-C USB hub. 2. Type-C type USB hub according to claim 1, is characterized in that, described video interface comprises HDMI interface and VGA interface, and described Type-C type USB hub also comprises and described Type-C output interface and The audio conversion module connected to the HDMI interface is used to convert the audio data input through the Type-C output interface into an HDMI signal and output it together with the video signal converted by the image processing module through the HDMI interface. 3. The Type-C type USB hub according to claim 1, wherein the power management module comprises: The step-down power supply unit is connected with the Type-C input interface and the main control module, and is used to step down the voltage input by the Type-C input interface to obtain a voltage suitable for the main control module, thereby providing work for the main control module power supply; A charging control unit, connected to the step-down power supply unit, receives the reduced voltage and controls charging of the battery; A battery management system circuit, connected to the charging control unit and the battery, used to detect the current and voltage of the battery, calculate the state of charge of the battery, and detect the ambient temperature; The boost circuit is connected with the battery management system circuit and the Type-C protocol control circuit, and is used to output the voltage output by the battery to the Type-C protocol control circuit after DC boost processing, and the Type-C Under the control of the protocol control circuit, power is supplied to the connected electronic equipment through the Type-C output interface. 4. The Type-C USB hub according to any one of claims 1-3, further comprising a network card and a network cable interface, the network card is connected to the data transmission control module and the network cable interface, and the network cable The interface is used to plug in the network cable, so as to connect the electronic equipment connected to the Type-C output interface to the network. 5. The Type-C USB hub according to any one of claims 1-3, further comprising a card reader and a memory card socket, the card reader and the data transmission control module and the memory card Socket connection, the memory card socket is used to insert a memory card, the card reader is used to read and write data to the memory card, and output with Type-C under the control of the data transmission control module Interface connected electronic devices for data interaction. 6. The Type-C USB hub according to any one of claims 1-3, further comprising a data cable, the outer surface of the housing is provided with a receiving groove, and the Type-C output interface passes through the The data line is connected to the Type-C protocol control circuit in the shell, and the size of the receiving groove matches the outer contour of the data line and the plug of the Type-C output interface, so that the plug of the Type-C output interface and the data lines connected thereto can be fitted in the accommodating groove. 7. The Type-C USB hub according to claim 1, wherein at least one indicator light is provided on the outer surface of the housing to indicate the remaining power of the battery. 8. The Type-C USB hub according to any one of claims 1-3, 7, characterized in that, the outer surface of the housing is further provided with buttons for switching control of the discharge function of the battery , when the button is in the "on" state and the Type-C input interface is not connected to an adapter, the battery supplies power to the outside. 9. The Type-C USB hub according to claim 8, wherein when the Type-C input interface is not connected to the adapter and the button is in the “off” state, the Type-C The electronic equipment connected to the output interface supplies power to the Type-C USB hub. 10. The Type-C USB hub according to claim 8, further comprising a storage unit connected to the image processing module for storing image data.