CN214125414U - Signal switching device and virtual reality display equipment comprising same - Google Patents
Signal switching device and virtual reality display equipment comprising same Download PDFInfo
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- CN214125414U CN214125414U CN202120231528.5U CN202120231528U CN214125414U CN 214125414 U CN214125414 U CN 214125414U CN 202120231528 U CN202120231528 U CN 202120231528U CN 214125414 U CN214125414 U CN 214125414U
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Abstract
The utility model provides a signal switching device and a virtual reality display device comprising the same, wherein the signal switching device comprises a Type-C interface, an audio/video signal processing chip, a signal deconcentrator and an HDMI interface; the Type-C interface comprises a first sensor signal end; the HDMI interface comprises a second sensor signal end; the signal deconcentrator comprises a sensor signal transmission channel; the first joint of the first sensor signal end is connected with the interface of the terminal sensor signal processing end, the second joint of the first sensor signal end is connected with the first joint of the sensor signal transmission channel, the second joint of the sensor signal transmission channel is connected with the first joint of the second sensor signal end, and the second joint of the second sensor signal end is connected with the interface of the sensor signal processing end of the virtual reality equipment. The scheme solves the requirement that sensor signals need to be transmitted in the virtual reality display equipment, and does not need to additionally increase devices and arrange lines.
Description
Technical Field
The utility model relates to a signal transmission technical field specifically relates to a signal switching device reaches virtual reality display device including it.
Background
Most of current virtual reality display devices adopt HDMI interfaces, most of terminals connected with the virtual reality display devices adopt Type-C interfaces, and therefore signal switching devices (one end of which is a Type-C connector and the other end of which is an HDMI connector) for switching Type-C to HDMI are required to realize communication connection of the two interfaces.
However, the existing signal switching device only has the transmission function of audio and video signals, and the virtual reality display device must also utilize sensor signals, such as a posture signal and a sound signal, to realize human-computer interaction. In the existing scheme, only a transmission channel of a sensor signal can be additionally arranged, so that not only is the complexity of the virtual reality display equipment increased, but also great inconvenience is brought to the arrangement of lines.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that it is inconvenient that the structure that needs additionally to set up the sensor signal transmission channel and bring is complicated and the circuit arrangement among the virtual reality equipment among the prior art, and then provides one kind in transmission audio frequency/video signal, can carry out sensor signal transmission's signal switching device and including its virtual reality display device.
Therefore, the utility model provides a signal switching device, which comprises a Type-C interface, an audio/video signal processing chip, a signal deconcentrator and an HDMI interface; the Type-C interface comprises a first audio/video signal end and a first sensor signal end; the HDMI interface comprises a second audio/video signal end and a second sensor signal end; the signal deconcentrator comprises an audio/video signal transmission channel and a sensor signal transmission channel; wherein:
a first connector of the first audio/video signal end is connected with an audio/video signal end interface of a terminal Type-C interface, a second connector of the first audio/video signal end is connected with a first connector of an audio/video signal transmission channel, a second connector of the audio/video signal transmission channel is connected with an input end of an audio/video signal processing chip, an output end of the audio/video signal processing chip is connected with a first connector of a second audio/video signal end, and a second connector of the second audio/video signal end is connected with a display of virtual reality equipment;
the first joint of first sensor signal end is connected with terminal sensor signal processing end interface, the second joint of first sensor signal end with the first articulate of sensor signal transmission passageway, the second joint of sensor signal transmission passageway with the first articulate of second sensor signal end, the second joint of second sensor signal end with the sensor signal processing end interface of virtual reality equipment is connected.
Optionally, in the signal conversion apparatus, the apparatus further includes a power management module, and the Type-C interface further includes a charging terminal:
the charging interface of the power management module is connected with a power supply;
the discharging interface of the power management module is used for being connected with the second interface of the charging end, and the first interface of the charging end is used for being connected with the charging end of the terminal Type-C interface.
Optionally, in the signal conversion apparatus described above, a D + terminal and a D-terminal in the Type-C interface are used as the first sensor signal terminal;
idle terminals P13 and P17 in the HDMI interface serve as the second sensor signal terminal.
Optionally, in the signal conversion apparatus described above, the sensor signal transmission channel includes a first sensor signal transmission line and a second sensor signal transmission line;
the first sensor signal transmission line is connected to the D-end of the Type-C interface and the idle end P13 of the HDMI interface;
the second sensor signal transmission line is connected to the D + end of the Type-C interface and the idle end P17 of the HDMI interface.
Optionally, in the signal conversion apparatus described above, a TX1 terminal, an RX1 terminal, a TX2 terminal, and an RX2 terminal in the Type-C interface are used as the first audio/video signal terminal;
signal terminals P7, P9, P4 and P6 in the HDMI interface serve as the second audio/video signal terminal.
Some embodiments of this application still provide a virtual reality display device, including terminal, virtual reality display module and above any one signal switching device, wherein the virtual reality display module includes display screen and sensor signal processing module:
the terminal is provided with a terminal Type-C interface, and the virtual reality display assembly is provided with a display assembly HDMI interface;
the Type-C interface of the signal switching device is connected with the Type-C interface of the terminal, and the HDMI interface of the signal switching device is connected with the HDMI interface of the display assembly.
Optionally, the virtual reality display device further includes a Type-C connection line and an HDMI connection line;
the first end of the Type-C connecting line is connected with the Type-C interface; the second end of the Type-C connecting line is connected with the Type-C interface of the terminal;
the first end of the HDMI connecting line is connected with the HDMI interface; and the second end of the HDMI connecting wire is connected with the HDMI interface of the display assembly.
Optionally, the virtual reality display device further includes:
and one end of the charging wire is a USB interface, and the other end of the charging wire is a connection interface matched with a charging interface in the signal conversion device.
Optionally, in the virtual reality display device, the virtual reality display assembly includes virtual reality display glasses or a virtual reality display helmet.
Optionally, in the virtual reality display device, the terminal includes a mobile phone, a desktop computer, a notebook computer, and a tablet computer.
The utility model provides an above technical scheme compares with prior art, has following beneficial effect at least: the scheme in this application has utilized the Type-C interface can be when transmitting a large amount of data transmit audio frequency/video signal's structural feature, utilizes signal deconcentrator to construct the transmission path of sensor signal between Type-C interface and HDMI interface, has realized that an interface can provide the function of audio frequency/video signal and sensor signal for virtual reality display device simultaneously, has solved the demand that needs the transmission sensor signal among the virtual reality display device, need not additionally to increase the device moreover and arrange the circuit.
Drawings
Fig. 1 is a schematic structural diagram of a signal transfer device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a signal transfer device according to another embodiment of the present invention;
FIG. 3 is a diagram illustrating the meaning of each end of the Type-C interface;
FIG. 4 is a diagram illustrating the meaning of the HDMI interface at each end;
fig. 5 is a schematic circuit diagram of an audio/video cable distribution and signal processing portion according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a rear-end connection circuit of the HDMI interface;
fig. 7 is a schematic structural diagram of a virtual reality display device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a virtual reality display assembly.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Some embodiments of the present application provide a signal switching apparatus, as shown in fig. 1, which includes a Type-C interface 1, an audio/video signal processing chip 2, a signal splitter 3, and an HDMI interface 4. The Type-C interface 1 comprises a first audio/video signal terminal 101 and a first sensor signal terminal 102; the HDMI interface 4 includes a second audio/video signal terminal 401 and a second sensor signal terminal 402; the signal splitter 3 comprises an audio/video signal transmission channel 301 and a sensor signal transmission channel 302; the first joint of the first audio/video signal terminal 101 is connected with the audio/video signal terminal interface 501 of the terminal Type-C interface 5, the second joint of the first audio/video signal terminal 101 is connected with the first joint of the audio/video signal transmission channel 301, the second joint of the audio/video signal transmission channel 301 is connected with the input end of the audio/video signal processing chip 2, the output end of the audio/video signal processing chip 2 is connected with the first joint of the second audio/video signal terminal 401, and the second joint of the second audio/video signal terminal 401 is connected with the display 6 of the virtual reality device. The first joint of the first sensor signal end 102 is connected with the terminal sensor signal processing end interface 7, the second joint of the first sensor signal end 102 is connected with the first joint of the sensor signal transmission channel 302, the second joint of the sensor signal transmission channel 302 is connected with the first joint of the second sensor signal end 402, and the second joint of the second sensor signal end 402 is connected with the sensor signal processing end interface 8 of the virtual reality device.
In the above scheme, the signal deconcentrator 3 can be several parallel signal lines, and can be implemented without introducing a chip, and the signal lines directly connect the functional ends corresponding to the Type-C interface 1 and the HDMI interface 4 as signal transmission channels. Through two signal line lug connection between two interfaces, can not cause any extra influence to the signal of the remaining end of Type-C interface 1 and HDMI interface 4. Therefore, the transmission process of the audio/video signals does not need to be changed, and the audio and video processing part of the circuit is a very mature product and is an integrated chip circuit, such as LT8711HE, Cypress _ CCG2 and the like.
In addition, the terminal Type-C interface 5 can be a Type-C interface configured by a mobile phone or a host device with the Type-C interface. The terminal itself may be provided with various sensors, for example, the mobile phone may be provided with a microphone, so as to detect and recognize a voice of a person, and the mobile phone may further be provided with a posture detection sensor capable of detecting a posture of a person holding the mobile phone. Therefore, the processing module in the terminal such as the mobile phone can analyze and process the sensing signal and then output the sensing signal, at this time, only the terminal sensor signal processing terminal interface 7 in the terminal such as the mobile phone needs to be directly connected with the terminal Type-C interface 5, and the data transmission terminal except for transmitting the audio/video signal in the terminal Type-C interface 5 is used for receiving or transmitting the sensing signal. And the glasses or helmet in the virtual reality display device can also be provided with a sensor for detecting human body posture, sound and the like, at the moment, the sensor signal processing end interface 8 can directly transmit the sensor signal after analysis and processing to the sensor signal processing module of the terminal through the second sensor signal end in the HDMI interface 4, the signal deconcentrator 3 and then through the Type-C interface 1, the terminal Type-C interface 5 and the terminal sensor signal processing end interface 7.
The scheme in this application has utilized the Type-C interface can be when transmitting a large amount of data the transmission audio frequency/video signal's structural feature, has utilized signal deconcentrator 3 to construct sensor signal transmission channel 302 between Type-C interface 1 and HDMI interface 4, has realized that an interface can provide the function of audio frequency/video signal and sensor signal for virtual reality display device simultaneously, has solved the demand that needs the transmission sensor signal among the virtual reality display device, and need not additionally to increase the device and arrange the circuit moreover.
Through the scheme, after the user uses the signal switching device in the scheme to connect the mobile phone and the virtual reality display assembly, the following application scenes can be realized:
(1) when the mobile phone is used for playing games, when the virtual reality display assembly worn on the head is shaken, the mobile coordinate is detected through the sensor module in the virtual reality display assembly, the mobile coordinate is used as a sensor signal and is transmitted to the Type-C interface of the mobile phone through the HDMI interface, the signal switching device and the Type-C interface, then the mobile phone can be transmitted to the processing module in the mobile phone through the terminal sensor signal processing end interface 7 of the mobile phone, the mobile phone can recognize the mobile coordinate, and then the audio/video signal is adjusted according to the shaking degree.
(2) If the mobile phone is connected with a microphone, in the process of playing games, the emitted sound can be input into the processing module of the mobile phone through the microphone of the mobile phone, then the processing module of the mobile phone transmits the processed voice signal to the terminal Type-C interface 5 of the mobile phone through the terminal sensor signal processing terminal interface 7 of the mobile phone, then the processed voice signal is transmitted to the sensor signal processing terminal interface 8 in the virtual reality display component through the Type-C interface 1 of the signal switching device, the signal deconcentrator 3 and the HDMI interface 4, and the processed voice signal is fed back to a user after being processed by the processor in the virtual reality display device.
Through the scheme, human-computer interaction can be better realized, and the structure and the wiring mode of the whole virtual reality display equipment are simplified. In addition, the format and protocol of the sensor signal may be implemented using signal formats and protocols that are well established in the art, such as the CEC signal.
Further, as shown in fig. 2, the signal switching device further includes a power management module 9, the Type-C interface 1 further includes a charging terminal 103, and a charging interface of the power management module 9 is connected to a power supply; the discharging interface of the power management module 9 is used for being connected with the second interface of the charging terminal 103, and the first interface of the charging terminal 103 is used for being connected with the charging terminal of the terminal Type-C interface 5. The scheme utilizes the characteristic that the Type-C interface can provide high-power electric energy, and realizes the functions that one interface can provide video signals, sensor signals and power supply for the virtual reality display.
Further, as a figure 3 shows a paraphrase diagram of meaning represented by each terminal of a Type-C interface, a terminal D + and a terminal D-in the Type-C interface in figure 3 can be used as the first sensor signal terminal, and a terminal TX1, a terminal RX1, a terminal TX2 and a terminal RX2 in the Type-C interface can be used as the first audio/video signal terminal. Fig. 4 is a diagram explaining the meaning of the HDMI interface at each terminal, and the free terminals P13 and P17 in the HDMI interface in fig. 4 can be used as the second sensor signal terminal. Signal terminals P7, P9, P4 and P6 in the HDMI interface serve as the second audio/video signal terminal.
With reference to fig. 5, the sensor signal transmission channel includes a first sensor signal transmission line and a second sensor signal transmission line; the first sensor signal transmission line is connected to the D-end of the Type-C interface and the idle end P13 of the HDMI interface; the second sensor signal transmission line is connected to the D + end of the Type-C interface and the idle end P17 of the HDMI interface. Further, as shown in fig. 6, the free terminals P13 and P17 of the HDMI interface 4 are directly connected to the pins 801 and 802 of the sensor signal processing module in the virtual reality display assembly, and these two pins can be respectively used for transmitting and receiving the sensor signal.
The above conversion apparatus can achieve at least:
(1) the audio/video signals of the terminal are converted into HDMI signals through a Type-C interface and transmitted to the virtual reality display assembly, and display images are obtained after decoding and frequency division processing and displayed on the display screen.
(2) After data collected by a sensor in the virtual reality display assembly are subjected to preliminary processing, the data are transmitted to a terminal through an HDMI (high-definition multimedia interface) line and converted into signals of a Type-C interface, or are transmitted reversely.
(3) Charging can be performed, and the terminal can be charged at the same time.
In some embodiments, a virtual reality display device is further provided, and referring to fig. 6 to 8, the virtual reality display device includes a terminal 71, a virtual reality display assembly 72, and the signal switching apparatus 73 according to any embodiment above, the virtual reality display assembly 72 includes virtual reality display glasses or a virtual reality display helmet, wherein the display screen included in the virtual reality display assembly 72 is a micro display 1001 and 1002 and a sensor signal processing module. The terminal 71 includes a mobile phone, a desktop computer, a notebook computer and a tablet computer. The terminal 71 is configured with a terminal Type-C interface 5, and the virtual reality display component 72 is configured with a display component HDMI interface 1003; the Type-C interface 1 of the signal switching device 73 is connected with the terminal Type-C interface 5, and the HDMI interface 4 of the signal switching device 73 is connected with the HDMI interface 1003 of the display assembly. The specific connection mode can be realized by referring to the scheme in the foregoing embodiment. The virtual reality display component 72 is configured with an audio/video signal decoding and frequency dividing processing chip 1006, which is configured with an audio interface 1004 and a sensor signal acquisition interface 1005, and all interfaces can be directly connected with the display component HDMI interface 1003. And the display component HDMI interface 1003 is connected with the HDMI interface 4 of the signal transfer device 73.
Further, as shown in fig. 7, the virtual reality display device further includes a Type-C connection line 74 and an HDMI connection line 75; the first end 742 of the Type-C connecting line is connected with the Type-C interface 1; a second end 741 of the Type-C connection line is connected to the terminal Type-C interface 5; a first end 751 of the HDMI connection line is connected to the HDMI interface 4; the second end 752 of the HDMI connection line is connected to the display assembly HDMI interface 1003. Further, the above device may further include a charging wire 76, one end of which is a USB interface 762, and the other end of which is a connection interface 761 matched with the charging interface 731 in the signal conversion device. The USB interface 762 is directly connected to the power supply, and the connection interface 761 is connected to the charging interface 731, so that the signal transfer device 73 can be charged, or a terminal such as a mobile phone can be charged.
The key point of the above scheme of the present application is that the transmission of audio/video signals, the transmission of sensor signals and the charging function can be realized by one signal conversion device, thereby simplifying the device structure and the circuit arrangement. For the processing of the audio/video signals and the processing of the sensor signals, reference may be made to existing solutions, which are not described in detail in this application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A signal switching device is characterized by comprising a Type-C interface, an audio/video signal processing chip, a signal deconcentrator and an HDMI interface; the Type-C interface comprises a first audio/video signal end and a first sensor signal end; the HDMI interface comprises a second audio/video signal end and a second sensor signal end; the signal deconcentrator comprises an audio/video signal transmission channel and a sensor signal transmission channel; wherein:
a first connector of the first audio/video signal end is connected with an audio/video signal end interface of a terminal Type-C interface, a second connector of the first audio/video signal end is connected with a first connector of an audio/video signal transmission channel, a second connector of the audio/video signal transmission channel is connected with an input end of an audio/video signal processing chip, an output end of the audio/video signal processing chip is connected with a first connector of a second audio/video signal end, and a second connector of the second audio/video signal end is connected with a display of virtual reality equipment;
the first joint of first sensor signal end is connected with terminal sensor signal processing end interface, the second joint of first sensor signal end with the first articulate of sensor signal transmission passageway, the second joint of sensor signal transmission passageway with the first articulate of second sensor signal end, the second joint of second sensor signal end with the sensor signal processing end interface of virtual reality equipment is connected.
2. The signal switching device according to claim 1, further comprising a power management module, wherein the Type-C interface further comprises a charging terminal:
the charging interface of the power management module is connected with a power supply;
the discharging interface of the power management module is used for being connected with the second interface of the charging end, and the first interface of the charging end is used for being connected with the charging end of the terminal Type-C interface.
3. The signal transfer device of claim 2, wherein:
a D + end and a D-end in the Type-C interface are used as signal ends of the first sensor;
idle terminals P13 and P17 in the HDMI interface serve as the second sensor signal terminal.
4. The signal transfer device of claim 3, wherein:
the sensor signal transmission channel comprises a first sensor signal transmission line and a second sensor signal transmission line;
the first sensor signal transmission line is connected to the D-end of the Type-C interface and the idle end P13 of the HDMI interface;
the second sensor signal transmission line is connected to the D + end of the Type-C interface and the idle end P17 of the HDMI interface.
5. The signal transfer device of any one of claims 1-4, wherein:
a TX1 terminal, an RX1 terminal, a TX2 terminal and an RX2 terminal in the Type-C interface are used as the first audio/video signal terminal;
signal terminals P7, P9, P4 and P6 in the HDMI interface serve as the second audio/video signal terminal.
6. A virtual reality display device, comprising a terminal, a virtual reality display component and the signal switching apparatus of any one of claims 1 to 5, wherein the virtual reality display component comprises a display screen and a sensor signal processing module:
the terminal is provided with a terminal Type-C interface, and the virtual reality display assembly is provided with a display assembly HDMI interface;
the Type-C interface of the signal switching device is connected with the Type-C interface of the terminal, and the HDMI interface of the signal switching device is connected with the HDMI interface of the display assembly.
7. The virtual reality display device of claim 6, further comprising a Type-C connection line and an HDMI connection line;
the first end of the Type-C connecting line is connected with the Type-C interface; the second end of the Type-C connecting line is connected with the Type-C interface of the terminal;
the first end of the HDMI connecting line is connected with the HDMI interface; and the second end of the HDMI connecting wire is connected with the HDMI interface of the display assembly.
8. The virtual reality display device of claim 7, further comprising:
and one end of the charging wire is a USB interface, and the other end of the charging wire is a connection interface matched with a charging interface in the signal conversion device.
9. The virtual reality display device of any one of claims 6-8, wherein:
the virtual reality display assembly includes virtual reality display glasses or a virtual reality display helmet.
10. The virtual reality display device of claim 9, wherein:
the terminal comprises a mobile phone, a desktop computer, a notebook computer and a tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231528.5U CN214125414U (en) | 2021-01-27 | 2021-01-27 | Signal switching device and virtual reality display equipment comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120231528.5U CN214125414U (en) | 2021-01-27 | 2021-01-27 | Signal switching device and virtual reality display equipment comprising same |
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| CN214125414U true CN214125414U (en) | 2021-09-03 |
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| CN202120231528.5U Active CN214125414U (en) | 2021-01-27 | 2021-01-27 | Signal switching device and virtual reality display equipment comprising same |
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- 2021-01-27 CN CN202120231528.5U patent/CN214125414U/en active Active
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Effective date of registration: 20211208 Address after: No. 3186, floor 3, building 1, No. 1298, danonggang Road, Jianggan District, Hangzhou, Zhejiang Patentee after: Hangzhou suoku Microelectronics Technology Co.,Ltd. Address before: A209 Mets street, St. eskimville, NSW 2043 Patentee before: Ji Huaxia |
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