CN216531565U - Signal converter - Google Patents
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- CN216531565U CN216531565U CN202123410713.XU CN202123410713U CN216531565U CN 216531565 U CN216531565 U CN 216531565U CN 202123410713 U CN202123410713 U CN 202123410713U CN 216531565 U CN216531565 U CN 216531565U
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Abstract
The utility model provides a signal converter, which comprises an HDMI (high-definition multimedia interface), a USB Type-C (universal serial bus Type-C) interface and a signal conversion chip, wherein the HDMI interface is used for receiving an HDMI signal or outputting the HDMI signal, the USBType-C interface is used for receiving an USB Type-C signal or outputting the USB Type-C signal, the signal conversion chip is used for converting the HDMI signal received by the HDMI interface into the USB Type-C signal and converting the USBType-C signal into the HDMI signal, the USB Type-C signal can be converted into the HDMI signal, the HDMI signal can also be converted into the USB Type-C signal, signal conversion in two directions is realized by using one signal converter, great convenience is brought to a user, and the requirement of the user on efficient conversion between the HDMI signal and the USB Type-C signal can be met.
Description
Technical Field
The present invention relates to the field of signal transmission, and in particular, to a signal converter.
Background
With the rapid development of electronic technology, various signal transmission interfaces can be customized on the terminal device, so as to facilitate connection with other devices by using the signal transmission interfaces.
Currently, some terminal devices are connected by using a Universal Serial Bus (USB) Type-C interface, such as a mobile phone. However, some terminal devices are relatively slow to update, and are connected to other devices by using a High Definition Multimedia Interface (HDMI) Interface. When the terminal equipment of the HDMI interface needs to be connected with the terminal equipment of the USB Type-C interface, signals need to be converted during signal transmission.
But when the conversion between HDMI signal and the USB Type-C signal is carried out at present, the one-way conversion of signal can only be realized, it is inconvenient to use to the user, can not satisfy user's high-efficient signal conversion demand.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present application is to provide a signal converter, which can meet the requirement of a user for efficient conversion between an HDMI signal and a USB Type-C signal.
The embodiment of the application provides a signal converter, is applied to terminal equipment, the converter includes: the device comprises a high-definition multimedia HDMI interface, a universal serial bus USB Type-C interface and a signal conversion chip;
the HDMI is used for receiving an HDMI signal or outputting an HDMI signal;
the USB Type-C interface is used for receiving USB Type-C signals or outputting USB Type-C signals;
the signal conversion chip is used for converting the HDMI signals received by the HDMI interface into USB Type-C signals, outputting the USB Type-C signals by utilizing the USB Type-C interface, converting the USB Type-C signals received by the USB Type-C interface into HDMI signals, and outputting the HDMI signals by utilizing the HDMI interface.
Optionally, the signal conversion chip includes a USB Type-C to HDMI chip and an HDMI to USB Type-C chip;
the USB Type-C to HDMI chip is used for converting USB Type-C signals received by the USB Type-C interface into HDMI signals and outputting the HDMI signals by using the HDMI interface;
the HDMI-to-USB Type-C chip is used for converting an HDMI signal received by the HDMI interface into a USB Type-C signal and outputting the USB Type-C signal by utilizing the USB Type-C interface.
Optionally, the signal converter further comprises a data selector MUX chip;
the MUX chip is in an output mode and is used for outputting the HDMI signal by the USB Type-C to HDMI conversion chip;
the MUX chip is in an input mode and used for the HDMI to USB Type-C chip to input the HDMI signals.
Optionally, the signal converter further comprises a mobile power supply;
and the mobile power supply is used for supplying power to terminal equipment connected with the signal converter by utilizing the USB Type-C interface.
Optionally, the signal converter further comprises: the target diode is connected with the mobile power supply and the signal conversion chip;
the target diode is used for preventing the mobile power supply from supplying power to the signal conversion chip.
Optionally, the signal conversion chip includes a USB Type-C to HDMI chip and an HDMI to USB Type-C chip, and the target diode includes a first diode and a second diode;
the first diode is connected with the mobile power supply and the USB Type-C to HDMI chip and used for preventing the mobile power supply from supplying power to the USB Type-C to HDMI chip;
the second diode is connected portable power source with HDMI changes USB Type-C chip for prevent portable power source to HDMI changes USB Type-C chip power supply.
Optionally, the signal converter further comprises: the switch is used for connecting the mobile power supply and the USB Type-C interface when closed.
Optionally, the signal converter further comprises: a voltage reduction chip;
the voltage reduction chip is used for reducing the voltage to the voltage according with the charging range of the mobile power supply when the USB Type-C interface is used for charging the mobile power supply.
Optionally, the signal converter further comprises an inductor, a capacitor and a power supply diode;
the inductor, the capacitor and the power diode are used for assisting the voltage reduction chip in reducing voltage.
Optionally, the HDMI interface and the USB Type-C interface are located on the same side of the signal converter.
The signal converter provided by the embodiment of the application is applied to a terminal device and comprises a high-definition multimedia HDMI interface, a universal serial bus USB Type-C interface and a signal conversion chip, wherein the HDMI interface is used for receiving an HDMI signal or outputting an HDMI signal, the USB Type-C interface is used for receiving a USB Type-C signal or outputting a USB Type-C signal, the signal conversion chip is used for converting the HDMI signal received by the HDMI interface into a USB Type-C signal and outputting the USB Type-C signal by using the USB Type-C interface and converting the USB Type-C signal received by the USB Type-C interface into an HDMI signal and outputting the HDMI signal by using the HDMI interface, that is to say, the signal converter provided by the embodiment of the application can not only convert the USB Type-C signal into an HDMI signal, the HDMI signal conversion device has the advantages that the HDMI signal can be converted into the USB Type-C signal, the signal conversion in two directions is achieved by the aid of the signal converter, great convenience is brought to users, requirements of the users for efficient conversion between the HDMI signal and the USB Type-C signal can be met, in addition, the input and output of the HDMI signal can be achieved by the aid of the same HDMI interface, the input interface and the output interface of the HDMI signal do not need to be distinguished by the users, and convenience is brought to the users.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a signal converter provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another signal converter provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another signal converter provided in the embodiment of the present application;
fig. 4 is a schematic diagram illustrating a signal converter connection provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a further signal converter provided in an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating another signal converter connection provided by an embodiment of the present application;
fig. 7 shows a schematic structural diagram of a signal converter interface according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited by the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present application, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Some terminal devices are currently connected by using a Universal Serial Bus (USB) Type-C interface, such as a mobile phone. However, some terminal devices are relatively slow to update, and are connected to other devices by using a High Definition Multimedia Interface (HDMI) Interface. When the terminal equipment of the HDMI interface needs to be connected with the terminal equipment of the USB Type-C interface, signal conversion is needed during signal transmission. But when the conversion between HDMI signal and the USB Type-C signal is carried out at present, the one-way conversion of signal can only be realized, it is inconvenient to use to the user, can not satisfy user's high-efficient signal conversion demand.
For example, a terminal device, especially a mobile phone, often uses a USB Type-C interface as an interface for data transmission, and the interface of the display is generally an HDMI interface, and it is necessary to use a USB Type-C to HDMI converter to realize external connection of the mobile phone, but usually, the USB Type-C to HDMI converter can only convert USB Type-C signals into HDMI signals, and cannot convert HDMI signals of the display into USB Type-C signals.
Based on this, the embodiment of the present application provides a signal converter, which is applied to a terminal device and includes an HDMI interface for high definition multimedia, an USB Type-C interface for receiving an HDMI signal or outputting an HDMI signal, and a signal conversion chip for receiving an USB Type-C signal or outputting an USB Type-C signal, wherein the signal conversion chip is configured to convert the HDMI signal received by the HDMI interface into an USB Type-C signal and output the USB Type-C signal through the USB Type-C interface and convert the USB Type-C signal received by the USB Type-C interface into an HDMI signal, and output the HDMI signal through the HDMI interface, that is, the signal converter provided by the embodiment of the present application can achieve the conversion of the USB Type-C signal into the HDMI signal, the HDMI signal conversion device has the advantages that the HDMI signal can be converted into the USB Type-C signal, the signal conversion in two directions is achieved by the aid of the signal converter, great convenience is brought to users, requirements of the users for efficient conversion between the HDMI signal and the USB Type-C signal can be met, in addition, the input and output of the HDMI signal can be achieved by the aid of the same HDMI interface, the input interface and the output interface of the HDMI signal do not need to be distinguished by the users, and convenience is brought to the users.
For a better understanding of the technical solutions and effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of a signal converter provided in the embodiment of the present application is shown, where the signal converter provided in the embodiment of the present application may be applied to a terminal device, such as a mobile phone or a display.
The signal converter 100 includes: the HDMI interface comprises a high-definition multimedia HDMI interface 110, a universal serial bus USB Type-C interface 120 and a signal conversion chip 130.
In the embodiment of the application, the HDMI 110 can receive HDMI signals or output HDMI signals, that is, the same HDMI interface is used to realize the input and output of HDMI signals, and the user does not need to distinguish the input interface and the output interface of HDMI signals.
The USB Type-C interface 120 is used for receiving USB Type-C signals or outputting USB Type-C signals, and the USB Type-C interface can output contents in the terminal equipment for display and can also store other contents in the terminal equipment.
The HDMI interface is integrated with HDMI signal input and HDMI signal output functions, the number of HDMI interfaces arranged on the terminal equipment can be reduced, the content of the mobile phone can be connected to the display to be displayed, the content of the display can be displayed in the mobile phone, and bidirectional signal transmission is achieved.
The signal conversion chip 130 can convert the HDMI signal received by the HDMI interface 110 into a USB Type-C signal, and output the USB Type-C signal by using a USB Type-C interface, i.e., convert the HDMI signal in the display into a USB Type-C signal that can be received by the mobile phone.
The signal conversion chip 130 can convert the USB Type-C signal received by the USB Type-C interface into an HDMI signal, and output the HDMI signal through the HDMI interface, that is, convert the USB Type-C signal output by the mobile phone into an HDMI signal that can be received by the display.
That is, the mobile phone can be used as both the source end and the sink end of the HDMI signal.
Specifically, the signal conversion chip 130 includes a USB Type-C to HDMI chip 131 and an HDMI to USB Type-C chip 132, and refer to fig. 2, which is a schematic structural diagram of another signal transmission device provided in this embodiment of the present application.
USB Type-C changes HDMI chip 131 for USB Type-C signal conversion that the USB Type-C interface received is the HDMI signal, and utilizes the HDMI interface to export the HDMI signal, and USB Type-C changes HDMI chip 131 can change USB Type-C signal into the HDMI signal promptly.
HDMI changes USBType-C chip 132 for the HDMI signal conversion that receives the HDMI interface is the USBType-C signal, and utilizes the USBType-C interface with the USBType-C signal and exports, and HDMI changes USBType-C chip 132 can convert the HDMI signal into the USBType-C signal promptly.
That is, the signal converter 130 may be provided with two kinds of signal conversion chips in order to realize signal conversion between the HDMI signal and the USB Type-C signal.
In the embodiment of the present application, the signal converter 100 further includes a data selector (MUX) chip 140, which is shown in fig. 3 and is a schematic structural diagram of another signal converter provided in the embodiment of the present application.
The MUX chip 140 can realize switching of input and output of the HDMI signal.
As a possible implementation manner, the MUX chip is in an output mode, and is used for outputting an HDMI signal by a USB Type-C to HDMI chip, that is, the USB Type-C to HDMI chip works to convert the USB Type-C signal into an HDMI signal for outputting, and at this time, the application scene may be displayed on the display corresponding to the mobile phone.
As another possible implementation manner, the MUX chip is in an input mode, and is used for implementing that the HDMI changes to the USB Type-C chip to input the HDMI signal, that is, the HDMI changes to the USB Type-C chip to work, and the HDMI signal is converted to the USB Type-C signal to be output, and at this time, the application scene may be corresponding to the display to transmit the content to the mobile phone.
Referring to fig. 4, a schematic connection diagram of a signal converter according to an embodiment of the present application is shown. The mobile phone 410 is connected to the USB Type-C interface 120 of the signal converter 100 through the USB Type-C interface 411, and the display 420 is connected to the HDMI interface 110 of the signal converter 100 through the HDMI interface 421.
In the embodiment of the present application, the signal converter 100 further includes a mobile power supply 150, which is shown in fig. 5 and is a schematic structural diagram of another signal converter provided in the embodiment of the present application.
And a mobile power supply 150, configured to supply power to a terminal device connected to the signal converter 100 through the USB Type-C interface 120, that is, the signal converter 100 may also be used as a temporary power supply to charge the terminal device.
When the mobile power source 150 supplies power to the terminal device, for example, supplies power to a mobile phone, the signal converter 100 further includes a target diode, the target diode is connected to the mobile power source 150 and the signal conversion chip 130, and the target diode is used for preventing the mobile power source 150 from supplying power to the signal conversion chip 130, so as to avoid burning of the chip conversion chip 130.
Specifically, since the signal conversion chip 130 includes the USB Type-C to HDMI chip 131 and the HDMI to USB Type-C chip 132, the target diode may include the first diode 161 and the second diode 162.
The signal converter 100 further includes: the switch 170 and the switch 170 are used to connect the portable power source 100 and the USB Type-C interface 120 when the switch 170 is closed, that is, when the switch 170 is closed, the portable power source 150 can supply power to the terminal device 600 through the USB Type-C interface 120, as shown in fig. 6.
When portable power source 150 electric quantity is not enough, can also charge to portable power source through USB Type-C interface 120.
Specifically, the signal converter 100 further includes: and the voltage reduction chip 180 is used for reducing the voltage to a voltage according with the charging range of the mobile power supply 150 when the USB Type-C interface 120 is used for charging the mobile power supply 150. One end of the buck chip 180 is connected to the mobile power supply 150, and the other end is connected to the switch 170, the first diode 161 and the second diode 162.
The signal converter 100 further includes an inductor 191, a capacitor 192, and a power diode 193, and when the buck chip 180 performs the buck, the inductor 191, the capacitor 192, and the power diode 193 are used to assist the buck chip 180 in the buck.
The first terminal of the inductor 191 is connected to the buck chip 180 and the power diode 193, and the second terminal is connected to the mobile power source 150. The first terminal of the power diode 193 is connected to the inductor 191, and the second terminal is connected to the capacitor 192. The capacitor 192 has a first terminal connected to the power supply diode 193 and a second terminal connected to ground.
In an embodiment of the present application, the HDMI interface 110 and the USB Type-C interface 120 may be located on the same side of the signal converter 100, as shown with reference to fig. 7. The HDMI interface 110 and the USB Type-C interface 120 may also be located on different sides of the signal converter 100, and may be specifically set according to actual requirements.
The signal converter provided by the embodiment of the application is applied to a terminal device and comprises a high-definition multimedia HDMI interface, a universal serial bus USB Type-C interface and a signal conversion chip, wherein the HDMI interface is used for receiving an HDMI signal or outputting an HDMI signal, the USB Type-C interface is used for receiving a USB Type-C signal or outputting a USB Type-C signal, the signal conversion chip is used for converting the HDMI signal received by the HDMI interface into a USB Type-C signal and outputting the USB Type-C signal by using the USB Type-C interface and converting the USB Type-C signal received by the USB Type-C interface into an HDMI signal and outputting the HDMI signal by using the HDMI interface, that is to say, the signal converter provided by the embodiment of the application can not only convert the USB Type-C signal into an HDMI signal, the HDMI signal conversion device has the advantages that the HDMI signal can be converted into the USB Type-C signal, the signal conversion in two directions is achieved by the aid of the signal converter, great convenience is brought to users, requirements of the users for efficient conversion between the HDMI signal and the USB Type-C signal can be met, in addition, the input and output of the HDMI signal can be achieved by the aid of the same HDMI interface, the input interface and the output interface of the HDMI signal do not need to be distinguished by the users, and convenience is brought to the users.
The foregoing is merely a preferred embodiment of the present application and, although the present application discloses the foregoing preferred embodiments, the present application is not limited thereto. Those skilled in the art can now make numerous possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the claimed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still fall within the protection scope of the technical solution of the present application without departing from the content of the technical solution of the present application.
Claims (10)
1. A signal converter, for use in a terminal device, the converter comprising: the device comprises a high-definition multimedia HDMI interface, a universal serial bus USB Type-C interface and a signal conversion chip;
the HDMI is used for receiving an HDMI signal or outputting an HDMI signal;
the USB Type-C interface is used for receiving USB Type-C signals or outputting USB Type-C signals;
the signal conversion chip is used for converting the HDMI signals received by the HDMI interface into USB Type-C signals, outputting the USB Type-C signals by utilizing the USB Type-C interface, converting the USB Type-C signals received by the USB Type-C interface into HDMI signals, and outputting the HDMI signals by utilizing the HDMI interface.
2. The signal converter according to claim 1, wherein the signal conversion chip comprises a USB Type-C to HDMI chip and an HDMI to USB Type-C chip;
the USB Type-C to HDMI chip is used for converting USB Type-C signals received by the USB Type-C interface into HDMI signals and outputting the HDMI signals by using the HDMI interface;
the HDMI-to-USB Type-C chip is used for converting an HDMI signal received by the HDMI interface into a USB Type-C signal and outputting the USB Type-C signal by utilizing the USB Type-C interface.
3. The signal converter of claim 2, further comprising a data selector (MUX) chip;
the MUX chip is in an output mode and is used for outputting the HDMI signal by the USB Type-C to HDMI conversion chip;
the MUX chip is in an input mode and used for the HDMI to USB Type-C chip to input the HDMI signals.
4. The signal converter of claim 1, further comprising a mobile power source;
and the mobile power supply is used for supplying power to terminal equipment connected with the signal converter by utilizing the USB Type-C interface.
5. The signal converter of claim 4, further comprising: the target diode is connected with the mobile power supply and the signal conversion chip;
the target diode is used for preventing the mobile power supply from supplying power to the signal conversion chip.
6. The signal converter of claim 5, wherein the signal conversion chip comprises a USB Type-C to HDMI chip and an HDMI to USB Type-C chip, and the target diode comprises a first diode and a second diode;
the first diode is connected with the mobile power supply and the USB Type-C to HDMI chip and used for preventing the mobile power supply from supplying power to the USB Type-C to HDMI chip;
the second diode is connected portable power source with HDMI changes USB Type-C chip for prevent portable power source to HDMI changes USB Type-C chip power supply.
7. The signal converter of claim 4, further comprising: the switch, the switch is used for connecting when closed portable power source with USB Type-C interface.
8. The signal converter of claim 4, further comprising: a voltage reduction chip;
the voltage reduction chip is used for reducing the voltage to the voltage according with the charging range of the mobile power supply when the USB Type-C interface is used for charging the mobile power supply.
9. The signal converter of claim 8, further comprising an inductor, a capacitor, and a power diode;
the inductor, the capacitor and the power diode are used for assisting the voltage reduction chip in reducing voltage.
10. The signal converter according to any of claims 1-9, wherein the HDMI interface and the USB Type-C interface are located on a same side of the signal converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123410713.XU CN216531565U (en) | 2021-12-30 | 2021-12-30 | Signal converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123410713.XU CN216531565U (en) | 2021-12-30 | 2021-12-30 | Signal converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216531565U true CN216531565U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123410713.XU Active CN216531565U (en) | 2021-12-30 | 2021-12-30 | Signal converter |
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| Country | Link |
|---|---|
| CN (1) | CN216531565U (en) |
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2021
- 2021-12-30 CN CN202123410713.XU patent/CN216531565U/en active Active
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