CN213151196U

CN213151196U - Signal adapter

Info

Publication number: CN213151196U
Application number: CN202021559173.4U
Authority: CN
Inventors: 肖杰; 林涓
Original assignee: Fullink Technology Co Ltd
Current assignee: Fullink Technology Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-07
Anticipated expiration: 2030-07-30

Abstract

The utility model belongs to the technical field of the electronic circuit, a signal adapter is provided, insert host computer equipment, this signal adapter includes casing and TYPE-C joint, TYPE-C connects and carries out the plug-in with host computer equipment and is connected, be used for transmitting data signal and signal of telecommunication, the casing includes the HDMI interface, the RJ45 interface, the USB-C interface, control circuit and at least one USB-A interface, the video signal transmission of HDMI interface with host computer equipment output is to display device in order to show, the network signal transmission of RJ45 interface output will route the router to host computer equipment, the power signal that the PD power provided is received to the USB-C interface, the USB-A interface inserts the USB flash disk, a keyboard, mouse or hard disk. From this through foretell signal adapter, expand host computer equipment's function to under the single USB Type C interface of host computer equipment occupied condition, still can charge for host computer equipment, guarantee that host computer equipment can long-term operation, and more high-efficient rapid transmission receives and dispatches data, export simultaneously and show the operation.

Description

Signal adapter

Technical Field

The utility model belongs to the technical field of electronic circuit, especially, relate to a signal adapter.

Background

With the rapid development of the technology, the USB TYPE-C interface becomes the most popular multifunctional protocol interface at present, and more corresponding devices with the USB TYPE-C interface are provided, for example: the mobile phone, the notebook computer, the desktop computer, the display, the conversion charger and the like with the TYPE-C interface. At present, Windows, Mac OS, IOS and Android systems which are commonly used by mobile terminals in the market can perfectly support TYPE-C protocols, so that TYPE-C signal expansion conversion products have a very wide application group.

Electronic products are increasingly pursuing light and thin designs, and therefore, a subminiature volume USB Type C interface is adopted to replace a USB/HDMI/VGA/DP/Mini DP interface. For example, an apple computer MacBook2015/2016 has only one Type C interface, then MacBooks have only two or four lightning 3/Type C interfaces, 2018 and then an iPad Pro has only one Type C interface, and other brands of computers such as: DELL, HP, LENOVO, equipment such as SURFACCE also only thunder and lightning 3/Type C interface to and very little other interfaces, can not satisfy vast consumer demand far away, consequently need use USB Type C switching class product in order to extend the application of more functions. The devices can support 4K/60Hz resolution output at the lowest, and the display/television devices of large brands such as Dell, PHILIPS, LG and the like on the market can basically support 4K/60Hz resolution or above; with the increasing capacity of high-definition photos and audio-video files, higher requirements are put on the transmission speed.

Therefore, the existing mobile terminal technology has the problems that only a single USB Type C interface is adopted, so that the expansion function is limited, and the transmission rate is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a signal adapter aims at solving current mobile terminal technique and has only adopted single USB Type C interface, leads to extending the function limited to the lower problem of transmission rate appears.

The utility model discloses the first aspect provides a signal adapter for insert the host computer equipment, signal adapter includes casing and TYPE-C and connects:

the TYPE-C connector is connected with the host equipment in a plug-pull manner and is used for transmitting data signals and electric signals, and the host equipment comprises any one of a computer, a mobile phone and a tablet;

the housing includes:

the HDMI is connected with a display device and is used for transmitting the video signal output by the host device to the display device for displaying;

the RJ45 interface is connected with the router and is used for transmitting the network signal output by the router to the host equipment;

the USB-C interface is connected with a PD power supply and used for receiving a power supply signal provided by the PD power supply;

the USB-A interface is used for accessing a USB flash disk, a keyboard, a mouse or a hard disk; and

and the control circuit is connected with the HDMI, the RJ45 interface, the USB-C interface and at least one USB-A interface and is used for controlling the HDMI, the RJ45 interface, the USB-C interface and at least one USB-A interface to work.

In one embodiment, the housing further defines:

and the display screen is connected with the control circuit and used for displaying the charging parameters or the discharging parameters of the host equipment.

In one embodiment, the TYPE-C connector is arranged on the shell, or the TYPE-C connector is connected with the shell through a wire.

In one embodiment, the at least one USB-a interface includes three USB-a interfaces;

one USB-A interface supports GEN1 protocol and supports transmission rate of 5 Gbps; the other two USB-A interfaces support GEN2 protocol, and the transmission rate is 10 Gbps.

In one embodiment, the display device includes any one of a projector, a monitor display, and a smart tv.

In one embodiment, the control circuit includes:

the system comprises a bridging chip, a hub control chip, a network card driving chip, a main control chip and a processing chip;

the main control chip is respectively connected with the bridging chip and the processing chip, and the hub control chip is respectively connected with the bridging chip and the network card driving chip;

and the bridging chip with TYPE-C connects and USB-A interface connection, concentrator control chip connects the USB-A interface, network card driver chip connects the RJ45 interface, the main control chip with TYPE-C connects and USB-C interface connection, the processing chip connects the HDMI interface.

In one embodiment, the housing is in the shape of a rectangular parallelepiped,

the HDMI interface, the RJ45 interface, the USB-C interface and at least one USB-A interface are sequentially arranged on the shell, and the control circuit is arranged inside the shell.

In one embodiment, the charging parameters include a charging current and a charging voltage, and the discharging parameters include a discharging current and a discharging voltage.

The utility model provides a pair of signal adapter, insert host computer equipment, this signal adapter includes that casing and TYPE-C connect, TYPE-C connects and carries out the plug-in with host computer equipment and is connected, a data signal and signal of telecommunication are used for transmitting, the casing includes the HDMI interface, the RJ45 interface, the USB-C interface, control circuit and at least one USB-A interface, the video signal transmission of host computer equipment output is to display device in order to show to the HDMI interface, the network signal transmission of RJ45 interface with router output to host computer equipment, the power signal that the PD power provided is received to the USB-C interface, USB-A interface inserts the USB dish, a keyboard, mouse or hard disk. From this through foretell signal adapter, expand host computer equipment's function to under the single USB Type C interface of host computer equipment was occupied, still can charge for host computer equipment, guarantee that host computer equipment can long-term work, and more high-efficient quick transmission receives and dispatches data, the operation is shown in the output simultaneously, it only adopts single USB Type C interface to have solved current mobile terminal technique, it is limited to lead to expanding the function, and the lower problem of transmission rate appears.

Drawings

Fig. 1 is a schematic view of a connection structure of a signal adapter according to the present invention.

Fig. 2 is a schematic circuit diagram of a control circuit of the signal adapter provided in fig. 1.

Fig. 3 is a schematic structural diagram of a signal adapter according to the present invention.

Fig. 4 is a schematic view of an application scenario of a signal adapter according to the present invention.

Fig. 5 is a schematic diagram of a circuit principle of the PD power supply in the signal adapter according to the present invention.

Fig. 6 is a schematic circuit diagram of a USB-a interface in a signal adapter according to the present invention.

Fig. 7 is a schematic diagram of the circuit principle of TYPE-C connector in the signal adapter provided by the present invention.

Fig. 8 is a schematic circuit diagram of an HDMI interface in a signal adapter according to the present invention.

Fig. 9 is a schematic diagram of a circuit principle of a display screen in a signal adapter according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 shows a connection structure of a signal adapter provided by the present invention, and for convenience of description, only the parts related to the present embodiment are shown, which are detailed as follows:

a signal adapter for accessing a host device includes a housing 10 and a TYPE-C connector 20.

The TYPE-C connector 20 is connected to a host device in a plug-in manner, and is used for transmitting data signals and electrical signals, and the host device includes any one of a computer, a mobile phone and a tablet.

The housing 10 includes an HDMI interface 103, an RJ45 interface 102, a USB-C interface 104, a control circuit 101, and at least one USB-a interface 105.

The HDMI interface 103 is connected to the display device, and is configured to transmit the video signal output by the host device to the display device for displaying; the HDMI 103 can support 4K/60Hz video output at most, is compatible with resolution downwards, and supports HDCP2.2, HDR and DSC functions.

The RJ45 interface 102 is connected to the router and is used for transmitting the network signal output by the router to the host device, so as to provide a high-speed stable network environment.

The USB-C interface 104 is connected to the PD power supply, and is configured to receive a power signal provided by the PD power supply, so as to charge the host device or the host device, and thus, the host device can still be charged when the TYPE-C interface of the host device is occupied for a long time, thereby ensuring that the host device can operate for a long time.

The USB-A interface 105 is used for accessing a USB flash disk, a keyboard, a mouse or a hard disk, and can meet the requirement of high-speed data transmission such as SATA/SSD hard disks.

The control circuit 101 is connected to the HDMI interface 103, the RJ45 interface 102, the USB-C interface 104, and at least one USB-a interface 105, and is configured to control the HDMI interface 103, the RJ45 interface 102, the USB-C interface 104, and the at least one USB-a interface 105 to operate.

It should be understood that the above-mentioned display device includes any one of a projector, a monitor display, and an intelligent tv set.

Therefore, through foretell signal adapter, expand host computer equipment's function to under the single USB Type C interface of host computer equipment was occupied, still can charge for host computer equipment, guarantee that host computer equipment can long-term operation, and more high-efficient rapid transmission receives and dispatches data, and the operation is shown in the output simultaneously, satisfies people's demand growing. For example: the user can transmit the video information on the computer to the high-definition display for playing, so that the high-resolution video output and the data information on the computer can be accessed to the mobile medium, and the PD charging and the function expansion of the computer can be supported.

Fig. 2 shows a circuit configuration of a control circuit of a signal adapter corresponding to fig. 1, and for convenience of description, only the parts related to the present embodiment are shown, and detailed descriptions are as follows:

as an embodiment of the present invention, the at least one USB-a interface 105 includes three USB-a interfaces;

one USB-A interface supports GEN1 protocol, and the transmission rate is 5 Gbps; the other two USB-A interfaces support GEN2 protocol and support transmission rate of 10 Gbps. Thereby satisfying the need for high-speed data transmission.

As an embodiment of the present invention, the control circuit 101 includes a bridge chip 1013, a hub control chip 1012, a network card driving chip 1011, a main control chip 1014, and a processing chip 1015.

The main control chip 1014 is connected to the bridge chip 1013 and the processing chip 1015, respectively, and the hub control chip 1012 is connected to the bridge chip 1013 and the network card driving chip 1011, respectively;

the bridge chip 1013 is connected to the TYPE-C connector 20 and the USB-a interface 105, the hub control chip 1012 is connected to the USB-a interface 105, the network card driver chip 1011 is connected to the RJ45 interface 102, the main control chip 1014 is connected to the TYPE-C connector 20 and the USB-C interface 104, and the processing chip 1015 is connected to the HDMI interface 103.

Specifically, the network card driver chip 1011 is implemented by a network card driver chip of RTL8153, the hub controller chip 1012 is implemented by a hub controller chip of GL3510, the bridge chip 1013 is implemented by a bridge chip of RTS5423, the main controller chip 1014 is implemented by a single chip, and the processing chip 1015 is implemented by a processing chip of PS 186. Of course, the types of the network card driving chip 1011, the hub control chip 1012, the bridge chip 1013, the main control chip 1014 and the processing chip 1015 are not limited as long as they can perform the same functions as the present embodiment.

Fig. 3 shows a schematic structural diagram of a signal adapter provided by the present invention, and for convenience of description, only the parts related to the present embodiment are shown, which are detailed as follows:

as an embodiment of the present invention, the TYPE-C connector 20 is disposed on the housing 10, or the TYPE-C connector 20 is connected to the housing 10 through a wire.

As an embodiment of the present invention, the casing 10 has also been provided with a display screen 106, and the display screen 106 is connected to the control circuit 101 for displaying the charging parameter or the discharging parameter of the host device.

Illustratively, the Display 106 may be a liquid crystal Display or an Organic Light Emitting Diode (OLED) digital Display, which is convenient for a user to clearly see the displayed charging parameters or discharging parameters. And, the charging parameters include a charging current and a charging voltage, and the discharging parameters include a discharging current and a discharging voltage.

The display screen 106 can display the power usage of the signal adapter when the signal adapter is connected to the host device (e.g., mobile phone, computer), and can also display the charging status of the charger to the host device (e.g., mobile phone, computer).

1. When the power adapter charges the host equipment (such as a mobile phone and a computer), the charging current and voltage power of the host equipment (such as a mobile phone and a computer) can be displayed, so that the charging time, the charging state and the like can be conveniently evaluated;

2. when the power adapter is not connected, the power supply condition of the host device (such as a mobile phone and a computer) to the signal adapter or the external device (such as a device connected with HDMI, RJ45, USB and the like) connected with the signal adapter is displayed, and the current and voltage of the external device are checked, so that the use power of the peripheral device can be monitored in real time, and the load capacity of the power supply end (such as the mobile phone and the computer) is evaluated.

As an embodiment of the present invention, the casing 10 is a rectangular parallelepiped, the HDMI interface 103, the RJ45 interface 102, the USB-C interface 104, and the at least one USB-a interface 105 are sequentially disposed on the casing, and the control circuit 101 is disposed inside the casing 10.

Fig. 4 shows an application scenario of the signal adapter, and for convenience of illustration, only the portion related to the present embodiment is shown, which is detailed as follows:

as an embodiment of the present invention, the signal adaptor is connected to the router 30 through an RJ45 interface 102; is connected with a computer 40 through a TYPE-C connector 20; the USB interface 105 is connected with the mobile hard disk 50 or the USB flash disk 60 to store data; is connected with the power adapter 70 through the USB-C interface 104 to charge the computer.

Fig. 5 illustrates a circuit principle of the PD power supply in the signal adapter according to the present invention, and for convenience of illustration, only the relevant parts of the embodiment are shown, and detailed descriptions are as follows:

as an embodiment of the present invention, the PD power supplies power and the realization principle of the protocol pass through the USB3.1 hub and the PD3.0 controller.

The bridge chip 1013 includes a TYPE-C VBUS management power management unit, which can detect that a host device (e.g., a computer or a mobile phone) provides power supply when no PD power is input, and switch to a PD power supply mode when it detects that a PD power is inserted, and transmit the PD power supply to the host device (e.g., the computer or the mobile phone) through the TYPE-C connector 20, so as to quickly switch the power supply mode.

When the host device (such as a computer and a mobile phone) is used for supplying power (no PD power supply), the power supplied by the host device (such as a computer and a mobile phone) is transmitted to pins 6 and 7 of the IM2605 (integrated power switch converter chip) through the UFP _ C _ VBUS _ C, and the pins 15 and 16 of the IM2605 (integrated power switch converter chip) output stable 5V power to supply power to the signal adapter.

When the PD power is used, pin 26 of the IM2605 (integrated power switch converter chip) sends a signal to notify the bridge chip 1013, the bridge chip 1013 communicates with the power supply information required by the host device (such as a computer or a mobile phone) and transmits the information back to the IM2605, the IM2605 controls the switch Q11 to be turned on, the PD power accessed from the outside is transmitted to pins 6 and 7 of the IM2605 (integrated power switch converter chip), the pins 15 and 16 of the IM2605 (integrated power switch converter chip) output a stable 5V power to supply power to the signal adapter, and the IM2605 controls the switch Q10 to transmit the PD power to the host device (such as a computer or a mobile phone) to charge the device.

Fig. 6 illustrates a circuit principle of a USB-a interface in a signal adapter according to the present invention, and for convenience of description, only the relevant portions of the present embodiment are shown, and detailed descriptions are as follows:

as an embodiment of the present invention, the USB-a interface 105 is connected to the hub control chip 1012 through the second pin and the third pin D-/D +, and is bridged to the bridge chip 1013 by the hub control chip 1012, and the bridge chip 1013 transmits the signal to the host device (computer or mobile phone), and the host device detects the received USB device information, determines the type of the USB device, and communicates the signal type required by the external device to download the data information to the hub control chip 1012 for transmission and exchange; the USB-a interface 105 transmits and receives signals for USB3.0 through pins SSTX-/SSTX +, 5, 6 and 8, 9, and when the hub control chip 1012 is connected to the bridge chip 1013 and detects that both transmission and reception are possible, it is determined that a device with USB3.0 connected to the back end is connected, and then the device is bridged to the hub control chip 1012 through the bridge chip 1013 to implement high-speed data transmission and reception by the uplink host.

As an embodiment of the present invention, the USB-a interface 105 sends a signal to the bridge chip 1013 through the second pin and the third pin D-/D, the bridge chip 1013 sends a signal to the host device (computer or mobile phone) again, the host device detects the received USB device information, determines the type of the USB device, communicates the signal type required by the external device for data information transmission and exchange, and the USB-a interface 105 sends a signal and receives a signal for USB3.0 through the 5 th, 6 th and 8 th pins SSTX-/SSTX +, if the bridge chip 1013 detects that both the signal and the signal can be received, the USB3.0 device is determined to be connected to the rear end. And then high-speed data transmission and reception to the upstream host through the bridge function of the bridge chip 1013.

Fig. 7 illustrates a circuit principle of a USB-C interface in a signal adaptor according to the present invention, which only illustrates the relevant parts of the present embodiment for convenience of illustration, and the details are as follows:

as an embodiment of the present invention, the USB-C interface 104 transmits signals to the bridge chip 1013 through a6/a7 pin D-/D +, the bridge chip 1013 transmits the signals to the host device (computer or mobile phone), the host device detects the received USB device information, determines the TYPE of TYPE-C device, and then communicates with the external device to perform data information transmission and exchange, and the USB-C interface 104 transmits signals and receives signals through a2/A3, B10/B11, B2/B3, a10/a11 pin, TX1+/TX1-, RX1-/RX1+, TX2+/TX2-, RX2-/RX2+ for USB3.0, if the bridge chip 1013 detects that it can both transmit and receive, it is determined that the device of USB3.0 is connected to the back end, and then high-speed data transmission and reception to the upstream host through the bridge function of the bridge chip 1013.

Fig. 8 illustrates a circuit principle of an HDMI interface in a signal adapter according to the present invention, and for convenience of description, only the relevant portions of the embodiment are shown, which are detailed as follows:

as an embodiment of the utility model, the computer is connected to above-mentioned signal adapter, the HDMI display is inserted to the HDMI output, the display can send a high level through the 19 th pin HDMI _ HPD of HDMI interface, when handling chip 1015 32 th pin detects the HDMI _ HPD signal, handling chip 1015 can pass HPD to bridge chip 1013 through the 46 th pin, bridge chip 1013 gives computer or cell-phone with information transmission again, SCL/SDA of HDMI interface 103 transmits the information of display for the computer through handling chip 1015 simultaneously, the computer is sent the HDMI display to and is realized showing the function through handling chip 1015 according to display demand output display signal format.

Fig. 9 illustrates a circuit principle of a display screen in a signal adapter according to the present invention, and for convenience of description, only the parts related to the present embodiment are shown, which are detailed as follows:

as an embodiment of the present invention, when the signal adapter is connected to the host device (computer or mobile phone), the computer or mobile phone outputs power to the signal adapter, the power sampling chip U44 sends the collected voltage and current information to the 2 nd pin of the microcontroller U43, and the microcontroller U43 performs logic operation, analysis and decoding on the collected current and voltage information, and generates corresponding operation control signals. Pin 17 is whether microcontroller U43 controls OLED write command or data because its data line and command line share one MOSI line, i.e. the master output slave receiving port, i.e. MCU and OLED are connected through SPI, DC is connected to MCU, DC is pulled high if command is to be written to OLED, and DC is pulled low if data is to be written to OLED. After the communication is carried out through the 17 th pin, the microcontroller transmits the operation result and the display logic to the display screen 106 through 13 th, 14 th, 15 th and 16 th (system buses), and the display screen 106 reflects the received information in a display mode, so that the power supply condition used by the rear end of the display product is displayed.

When the USB-C interface 104 of the signal adapter is connected to the PD power supply, the collected voltage and current information is sent to the 20 th pin of the microcontroller U43 by sampling through the U45, and the microcontroller U43 performs logic operation, analysis, decoding, and testing on the collected current and voltage information and generates a corresponding operation control signal.

The working principle of the signal adapter is described below with reference to fig. 1 to 9 as follows:

the working power supply of the signal adapter can be automatically switched by a PD power supply or a Type-C connector 20, and the PD power supply is configured to ensure the normal power supply current for charging and charge host equipment (a computer/a mobile phone and the like). The principle of charging a PD power supply is that when a PD adapter is plugged in, the adapter sends a power supply capability message to a corresponding power demand device (e.g., a PC or a PAD), and after receiving the power supply capability message, the power demand device sends a power demand message to the PD adapter, and the PD adapter adjusts the voltage and current to supply power.

As long as the interface in the HDMI interface 103 is accessed, the display device will transfer their EDID information to the processing chip 1015, and the processing chip 1015 will transmit corresponding resolution and audio signal according to the requirement of the display device when receiving the EDID signal by connecting to the host device (computer or mobile phone);

in the USB3.0Hub interface, when a device is plugged into the USB-a interface 105, the PID information of the device is connected to the bridge chip 1013 through the Hub control chip 1012, and is transmitted to the computer for identification, and the data signal is released to the bridge chip 1013 for bridging;

or, in the USB3.0hub interface, when a device is plugged into the USB-a interface 105, the PID information of the device is connected to the bridge chip 1013, and is transmitted to the computer for identification, and the data signal is released to the bridge chip 1013 for bridging;

for the RJ45 interface 102, when a device is plugged in, the network card driver chip 1011 recognizes and releases the data signal to the hub controller chip 1012 for bridging; the hub control chip 1012 then transmits the signal to the bridge chip 1013 for bridging;

the current and voltage of the power circuit are collected for the display screen 106, the collected current and voltage information is subjected to data operation through the main control chip 1013, the information is converted into digital information which is adaptive to the display screen and is transmitted to the display screen 106, and the display screen 106 reflects the received information in a display mode.

To sum up, the embodiment of the utility model provides a pair of signal adapter inserts host computer equipment, this signal adapter includes casing and TYPE-C joint, TYPE-C connects and carries out the plug-in with host computer equipment and is connected, be used for transmission data signal and signal of telecommunication, the casing includes the HDMI interface, the RJ45 interface, the USB-C interface, control circuit and at least one USB-A interface, the video signal transmission of HDMI interface with host computer equipment output is to display device in order to show, the network signal transmission of RJ45 interface with router output to host computer equipment, the power signal that the PD power provided is received to the USB-C interface, USB-A interface inserts the USB flash disk, a keyboard, mouse or hard disk. From this through foretell signal adapter, expand host computer equipment's function to under the single USB Type C interface of host computer equipment was occupied, still can charge for host computer equipment, guarantee that host computer equipment can long-term work, and more high-efficient quick transmission receives and dispatches data, the operation is shown in the output simultaneously, it only adopts single USB Type C interface to have solved current mobile terminal technique, it is limited to lead to expanding the function, and the lower problem of transmission rate appears.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A signal adapter for accessing a host device, the signal adapter comprising a housing and a TYPE-C connector:

the housing includes:

2. The signal adapter of claim 1 wherein said housing further defines:

3. The signal adapter of claim 1 wherein said TYPE-C connector is disposed on said housing or said TYPE-C connector is connected to said housing by a wire.

4. The signal adapter of claim 1, wherein said at least one said USB-a interface comprises three said USB-a interfaces;

5. The signal adapter of claim 1, wherein the display device comprises any one of a projector, a monitor display, and a smart television.

6. The signal translator of claim 2 wherein said control circuit comprises:

7. The signal adapter of claim 1 wherein said housing is in the shape of a rectangular parallelepiped,

8. The signal adapter of claim 2 wherein the charging parameters include a charging current and a charging voltage and the discharging parameters include a discharging current and a discharging voltage.