CN219041436U - OTG data transmission charging equipment - Google Patents
OTG data transmission charging equipment Download PDFInfo
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- CN219041436U CN219041436U CN202223304111.0U CN202223304111U CN219041436U CN 219041436 U CN219041436 U CN 219041436U CN 202223304111 U CN202223304111 U CN 202223304111U CN 219041436 U CN219041436 U CN 219041436U
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Abstract
The utility model discloses OTG data transmission charging equipment which comprises two data terminals, a multichannel USB audio controller, a USB audio bridge, a PD protocol controller, a DC-DC power converter, a switch, a Type-C connector and an OTG cable. According to the utility model, data transmission of two data terminals is realized through the OTG cable, in the transmission process, the DC-DC power converter is input through the voltage of an external power supply and is transmitted to the change-over switch, the change-over switch obtains an on or off command through a Switchcontrol signal, so that the power supply or the power supply closing of the data terminals during data transmission is realized, and the problems that the data terminals can not be used when the OTG cable is connected for use, the power consumption of the data terminals is reduced, and the OTG cable connection can not be used when the data terminals are charged are solved.
Description
Technical Field
The utility model relates to the technical field of data transmission, in particular to OTG data transmission charging equipment.
Background
In computer audio and intelligent devices such as: the mobile phone and the tablet are used in many application scenes, data are required to be exchanged, a large amount of electricity is consumed in the data transmission process, and the electricity cannot be consumed for continuous use due to the fact that the terminal equipment cannot be charged due to the connection of the data wires in the transmission process, so that the data transmission terminal is caused.
Therefore, the utility model provides OTG data transmission charging equipment.
Disclosure of Invention
The utility model aims at: in order to solve the above problems, an OTG data transmission charging device is proposed.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an OTG data transmission charging device comprises two data terminals, a multichannel USB audio controller, a USB audio bridge, a PD protocol controller, a DC-DC power converter, a switch, a Type-C connector and an OTG cable;
the multichannel USB audio controller is connected with one of the data terminals;
the input end and the output end of the USB audio bridge are connected with the multichannel USB audio controller through I2S digital audio stream signals, and are connected to the Type-C connector through D+D-signals of the USB;
the PD protocol controller is connected to the Type-C connector through CC1 and CC2 digital signals and connected to the change-over switch through a Switchcontrol signal;
the DC-DC power converter is connected with an external power supply and is connected with the change-over switch;
the change-over switch obtains an on or off command through a Switchcontrol signal;
the Type-C connector is connected with another data terminal through an OTG cable.
Preferably, the digital signals of the USB audio bridge outputting Status state and Reset are connected to a multi-channel USB audio controller for identification and processing.
Preferably, the access voltage of the external power supply is 5-15V.
Preferably, the data terminal is any USB intelligent terminal selected from a mobile phone, a tablet computer and a computer.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
in the application, data transmission of two data terminals is realized through the OTG cable, in the transmission process, through the voltage input DC-DC power converter of external power supply, and carry to the change over switch, the change over switch obtains switch or switch command through the Switchcontrol signal, realize the power supply or close the power supply of data terminal when data transmission, prevent when OTG cable connects the use, the data terminal runs out the electric quantity and shuts down unable use, or the data terminal can't use the problem of OTG cable connection when charging.
Drawings
Fig. 1 shows a connection schematic diagram of an OTG data transmission charging device according to an embodiment of the present utility model.
Legend description:
1. a multi-channel USB audio controller; 2. a USB audio bridge; 3. a PD protocol controller; 4. a DC-DC power converter; 5. a change-over switch; 6. Type-C connector; 7. OTG cables; 8. and a data terminal.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution:
an OTG data transmission charging device comprises two data terminals 8, a multichannel USB audio controller 1, a USB audio bridge 2, a PD protocol controller 3, a DC-DC power converter 4, a switch 5, a Type-C connector 6 and an OTG cable 7;
the multichannel USB audio controller 1 is connected with one data terminal 8;
the input end and the output end of the USB audio bridge 2 are connected with the multichannel USB audio controller 1 through I2S digital audio stream signals and are used for bidirectionally transmitting the I2S digital audio stream signals, meanwhile, the input end and the output end of the USB audio bridge 2 are connected to the Type-C connector 6 through D+D-signals of USB, and digital signals for outputting Status states and Reset are connected to the multichannel USB audio controller 1 for identification and processing;
the PD protocol controller 3 is connected to the Type-C connector 6 through CC1 and CC2 digital signals and is used for setting the protocol of the OTG cable 7 for communication, and is connected to the change-over switch 5 through a switch control signal;
the DC-DC power converter 4 is connected with an external power supply, the access voltage of the external power supply is 5-15V, and the external power supply is connected with the change-over switch 5;
the change-over switch 5 obtains an on or off command through a Switchcontrol signal and is used for supplying power to the data terminal 8 or closing the power supply;
the Type-C connector 6 is connected with another data terminal 8 through an OTG cable 7;
wherein, two data terminals 8 are any USB intelligent terminal in cell-phone, tablet computer, computer.
In summary, according to the OTG data transmission charging device provided in this embodiment, when two data terminals 8 realize bidirectional transmission of I2S digital audio stream signals through the USB audio bridge 2 in the process of transmitting data, the PD protocol controller 3 configures the OTG protocol of the data terminals 8, and realizes data transmission of the two data terminals 8 through the OTG cable 7, in the transmission process, the DC-DC power converter 4 is input through the voltage of the external power source and is sent to the switch 5, and the switch 5 obtains the on or off command through the Switchcontrol signal, so as to realize power supply or power off of the data terminals 8 in data transmission, and prevent the problem that the data terminals 8 can not be used when the OTG cable 7 is connected for use, or the data terminals 8 can not be connected by the OTG cable 7 in charging.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The OTG data transmission charging equipment is characterized by comprising two data terminals (8), a multichannel USB audio controller (1), a USB audio bridge (2), a PD protocol controller (3), a DC-DC power converter (4), a change-over switch (5), a Type-C connector (6) and an OTG cable (7);
the multichannel USB audio controller (1) is connected with one of the data terminals (8);
the input end and the output end of the USB audio bridge (2) are connected with the multichannel USB audio controller (1) through I2S digital audio stream signals and are connected with the Type-C connector (6) through D+D-signals of USB;
the PD protocol controller (3) is connected to the Type-C connector (6) through CC1 and CC2 digital signals and is connected to the change-over switch (5) through a Switchcontrol signal;
the DC-DC power converter (4) is connected with an external power supply and is connected with the change-over switch (5);
the change-over switch (5) acquires an on or off command through a Switchcontrol signal;
the Type-C connector (6) is connected with another data terminal (8) through an OTG cable (7).
2. An OTG data transfer charging device as in claim 1, characterised in that the digital signal of the USB audio bridge (2) output Status and Reset is connected to a multi-channel USB audio controller (1) for identification and processing.
3. The OTG data transmission charging device of claim 1, wherein the external power source has an on voltage of 5-15V.
4. The OTG data transmission charging device according to claim 1, characterized in that the data terminal (8) is any USB intelligent terminal of a mobile phone, a tablet, a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304111.0U CN219041436U (en) | 2022-12-09 | 2022-12-09 | OTG data transmission charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304111.0U CN219041436U (en) | 2022-12-09 | 2022-12-09 | OTG data transmission charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219041436U true CN219041436U (en) | 2023-05-16 |
Family
ID=86312649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223304111.0U Active CN219041436U (en) | 2022-12-09 | 2022-12-09 | OTG data transmission charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219041436U (en) |
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2022
- 2022-12-09 CN CN202223304111.0U patent/CN219041436U/en active Active
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