CN210723594U - Split type interface conversion device and converter - Google Patents
Split type interface conversion device and converter Download PDFInfo
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- CN210723594U CN210723594U CN201921974712.8U CN201921974712U CN210723594U CN 210723594 U CN210723594 U CN 210723594U CN 201921974712 U CN201921974712 U CN 201921974712U CN 210723594 U CN210723594 U CN 210723594U
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Abstract
The utility model provides a split type interface conversion equipment and converter, include: a first circuit board, a second circuit board and a 3.5mm audio connector; the first circuit board is provided with: the USB Type-C interface and the audio decoding chip are connected; the second circuit board is provided with: the charging interface, the charging control module and the auxiliary power supply module; the 3.5mm audio connector is connected with the audio decoding chip through a data line; the charging control module is respectively connected with the USB Type-C interface and the charging interface and is used for carrying out charging negotiation between the terminal equipment and the charger; and the auxiliary power supply module is used for supplying power to the charging control module and the audio decoding chip. The device adopts split type design to reduce the volume of product, converts digital audio signal into analog audio signal through the audio decoding chip, has realized the support to digital audio signal, has not only improved tone quality but also enlarged the application range of product, has improved the compatibility.
Description
Technical Field
The embodiment of the utility model provides a relate to adapter technical field, concretely relates to split type interface conversion equipment and converter.
Background
With the rapid development and popularization of intelligent terminals, various interface standards for the intelligent terminals appear. Because various interface standards cannot be compatible, not only is the waste of resources caused, but also inconvenience and trouble are brought to the user of the intelligent terminal. In order to solve the problem that the physical interface specification is not uniform for a long time, the USB Type-C interface is opened along with the latest Universal Serial Bus (USB) 3.1 standard, functions of charging, displaying, data transmission and the like are integrated, the USB Type-C interface also supports positive and negative symmetric plugging, and the problem of inaccurate plugging in practical application is effectively solved.
Because many advantages that USB Type-C interface has received the favor of intelligent terminal manufacturer, more and more intelligent terminal has adopted USB Type-C interface. Meanwhile, the USB Type-C interface is integrated with an audio signal transmission function, so that the 3.5mm audio interface is gradually cancelled by terminal equipment such as a smart phone and a tablet personal computer, and the USB Type-C interface is used as the only physical interface for connecting the equipment with the outside. When a user uses a terminal device with only one USB Type-C interface, such a problem occurs: when the USB Type-C interface is used for charging the equipment, the peripheral equipment cannot be connected, such as connecting an earphone to listen to music, talk or watch videos; when USB Type-C interface is used to connect the peripheral device, it will not be possible to charge the device. Namely, the above functions cannot be realized simultaneously due to only one USB Type-C interface.
In order to meet the demand of charging and listening to music simultaneously, the integrated product which converts a USB Type-C interface into a USB Type-C charging interface and a 3.5mm audio interface appears. However, the one-piece design makes the product larger in volume, and in order to pursue smaller volume, the split design is developed. However, the existing split type product only supports analog audio, and not only has poor sound quality, but also cannot be used on a mobile phone without analog audio signal output.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a split type interface conversion equipment and converter for solve the present split type product of current product and only support the analog audio frequency, use the problem of restriction.
In a first aspect, an embodiment of the present invention provides a split type interface conversion apparatus, including: a first circuit board, a second circuit board and a 3.5mm audio connector;
the first circuit board is provided with: the USB Type-C interface is used for connecting terminal equipment, and the audio decoding chip is used for converting a digital audio signal into an analog audio signal;
the second circuit board is provided with: the charging interface is used for connecting a charger;
the 3.5mm audio connector is connected with the audio decoding chip through a data line;
the charging control module is respectively connected with the USB Type-C interface and the charging interface and is used for carrying out charging negotiation between the terminal equipment and the charger;
the auxiliary power module is connected with the USB Type-C interface, the charging control module and the audio decoding chip respectively and is used for supplying power to the charging control module and the audio decoding chip.
In one embodiment, the charging interface is a USB Type-C interface or a micro-USB interface.
In one embodiment, the charging control module includes at least one of a PD control chip and a QC control chip.
In one embodiment, the audio decoding chip is a USB digital audio decoding chip.
In one embodiment, the charging control module is connected to the USB Type-C interface, and includes:
the charging control module is connected with a configuration channel pin of the USB Type-C interface and used for transmitting charging configuration information.
In one embodiment, the audio decoding chip is connected to the USB Type-C interface, including:
the audio decoding chip is connected with a positive voltage data pin and a negative voltage data pin of the USB Type-C interface and used for transmitting data signals.
In one embodiment, the Vbus pin of the charging interface is connected with the Vbus pin of the USB Type-C interface, and is used for charging a terminal device connected with the USB Type-C interface.
In one embodiment, the auxiliary power supply module is connected with the USB Type-C interface and the interface that charges respectively, includes: the auxiliary power supply module is connected with the USB Type-C interface and the charging interface through the switch tube respectively.
In one embodiment, the first circuit board, the second circuit board and the 3.5mm audio connector are distributed in a herringbone shape or a straight line shape.
In a second aspect, an embodiment of the present invention provides a split interface converter, including: a first housing, a second housing and an interface conversion arrangement as described in any one of the first aspect;
the first circuit board of the split interface conversion device is arranged in the first shell;
the second circuit board of the split interface conversion device is arranged inside the second shell.
The embodiment of the utility model provides a split type interface conversion equipment and converter includes: a first circuit board, a second circuit board and a 3.5mm audio connector; the first circuit board is provided with: the audio decoding chip is connected with the USB Type-C interface, the USB Type-C interface is used for connecting terminal equipment, and the audio decoding chip is used for converting digital audio signals into analog audio signals; the second circuit board is provided with: the charging interface is used for connecting a charger; the 3.5mm audio connector is connected with the audio decoding chip through a data line; the charging control module is respectively connected with the USB Type-C interface and the charging interface and is used for carrying out charging negotiation between the terminal equipment and the charger; and the auxiliary power supply module is used for supplying power to the charging control module and the audio decoding chip. A charging interface and a 3.5mm audio connector are provided, so that the requirement of a user for simultaneously charging and listening to music is met; the volume of the product is reduced by adopting a split design scheme that the audio decoding chip, the charging control module and the auxiliary power supply module are arranged on the two circuit boards; the digital audio signal is converted into the analog audio signal through the audio decoding chip, so that the use limitation of the product is eliminated, the compatibility of the product is improved, and the audio output with higher quality is realized; the charging control module can support quick charging and shorten the charging time. To sum up, the split type interface conversion equipment that this embodiment provided is small in size, and portable can provide faster speed of charging and better tone quality and experience, and supports digital audio signal, and the compatibility is higher, has effectively solved the limited problem of current product use.
Drawings
Fig. 1 is a schematic structural diagram of a split interface conversion device according to an embodiment;
fig. 2 is a schematic structural diagram of a split interface conversion device according to yet another embodiment;
fig. 3 is a schematic structural diagram of a split interface converter according to an embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
Fig. 1 is a schematic structural diagram of a split interface conversion device according to an embodiment. As shown in fig. 1, the split interface conversion apparatus provided in this embodiment includes: a first circuit board 10, a second circuit board 20 and a 3.5mm audio connector 30. The first circuit board 10 is provided with: USB Type-C interface 101 and audio decoding chip 102, audio decoding chip 102 is connected with USB Type-C interface 101, and USB Type-C interface 101 is used for connecting terminal equipment, and audio decoding chip 102 is used for converting digital audio signal into analog audio signal. The second circuit board 20 is provided with: the charging system comprises a charging interface 201, a charging control module 202 and an auxiliary power supply module 203, wherein the charging interface 201 is used for being connected with a charger. The 3.5mm audio connector 30 is connected with the audio decoding chip 102 through a data line. The charging control module 202 is respectively connected with the USB Type-C interface 101 and the charging interface 201 and is used for carrying out charging negotiation between the terminal equipment and the charger; the auxiliary power module 203 is connected to the USB Type-C interface 101, the charging interface 201, the charging control module 202, and the audio decoding chip 102, respectively, and is configured to supply power to the charging control module 202 and the audio decoding chip 102.
In this embodiment, the USB Type-C interface 101 is used to connect a terminal device that adopts the USB Type-C interface, and the terminal device may be, for example, a smart phone, a tablet computer, an intelligent wearable device, and the like. USB Type-C interface 101 uses with the USB Type-C interface cooperation on the terminal equipment, and USB Type-C interface on the terminal equipment is the female seat of USB Type-C usually, and then USB Type-C interface 101 among the split Type interface conversion equipment that this embodiment provided can be public head of USB Type-C.
The charging interface 201 is used for connecting a charger in this embodiment, different types of charging interfaces 201 can be set for chargers of different interface types, and the charging interface 201 can be, for example, a USB Type-C interface or a micro-USB interface, so that a user can select a suitable product according to the Type of the charger owned by the user, and the resource utilization rate of the product in the transition stage of updating can be improved.
In this embodiment, the charging control module 202 is electrically connected to the USB Type-C interface 101 and the charging interface 201, respectively, and is used for performing charging negotiation between the terminal device and the charger. The charging control module 202 may determine charging related parameters, such as determining charging power, based on the actual performance of the charger and the terminal device. After the negotiation is completed, the charger can charge the terminal device through the USB Type-C interface 101 according to the negotiated mode. The charging control module 202 may only include a PD control chip, or only include a QC control chip, or may include both a PD control chip and a QC control chip, for example, a PD control chip with a fast charging function may be mounted, and may support a charging power of 9V-2A, i.e., 18W. By carrying the PD control chip with the quick charging function, the high-power charging can be supported, the charging speed can be improved, the charging waiting time of a user is shortened, and the use experience of the user can be improved. It should be noted that the maximum charging power supported by the interface conversion apparatus is determined by the charging control module 202, and the power actually used for charging the terminal device also depends on the actual performance of the terminal device and the charger.
With the gradual cancellation of 3.5mm audio interfaces by terminal equipment manufacturers, the USB Type-C interface is used as the only physical interface for connecting the equipment with the outside, and meanwhile, due to the factors such as process design, cost and the like, analog audio output is cancelled on part of terminal equipment, namely, the USB Type-C interface only outputs digital audio. Therefore, the use of the existing interface conversion device only supporting analog audio is limited, and the interface conversion device cannot be used on a mobile phone without analog audio signal output. In the split interface conversion device provided by this embodiment, the digital audio signal output by the terminal device is converted into an analog audio signal by the audio decoding chip 102, and the analog audio signal is played to the user through the earphone connected to the 3.5mm audio connector, so that the use limitation is eliminated, and the product has better compatibility. Optionally, in order to further improve the sound quality, the audio decoding chip 102 in this embodiment may be a USB digital audio decoding chip, and specifically, a High-Fidelity (HIFI) audio decoding chip may be adopted to provide higher-quality audio output, so as to further improve the user experience.
In this embodiment, when the charging interface 201 is connected to a charger and the 3.5mm audio connector 30 is connected to an earphone, the auxiliary power supply module 203 obtains electric energy from the charger to supply power to the charging control module 202 and the audio decoding chip 102, so as to ensure that the charging process and the audio signal output process are normally performed; when the charging interface 201 is not connected with a charger and the 3.5mm audio connector 30 is connected with an earphone, electric energy is obtained from the terminal equipment connected with the USB Type-C interface 101, and power is supplied to the audio decoding chip 102, so that the audio decoding chip 102 can work normally. Further, when charging, the terminal device can be charged for a short time by obtaining power from the charger instead of the terminal device.
In this embodiment, the 3.5mm audio connector 30 is connected to the audio decoding chip 102 through a data line, and the length of the data line may be set as required, for example, 10cm, 20cm, 50cm, and the like. For example, when a fixed charger is adopted, the longer data line connection can be selected to serve as an extension line of the earphone due to the limitation of the socket position, so that the limitation on the position of a user is reduced; when the mobile charger is adopted, a shorter data line can be selected for carrying conveniently. It is understood that the first circuit board 10 and the second circuit board 20 may be connected by data lines, and the data lines with different lengths may be arranged to meet different requirements of users.
The first circuit board 10, the second circuit board 20 and the 3.5mm audio connector 30 in this embodiment may be arranged in a chevron shape or a straight line shape.
It should be noted that the size and shape of each circuit board in the split interface conversion device shown in fig. 1, and the size, shape, position, relative position relationship and the like of each interface and each module only show an implementation manner of the present invention, and all the modifications made to the present invention all belong to the protection scope of the present invention.
The split interface conversion device provided by the embodiment comprises: a first circuit board, a second circuit board and a 3.5mm audio connector; the first circuit board is provided with: the audio decoding chip is connected with the USB Type-C interface, the USB Type-C interface is used for connecting terminal equipment, and the audio decoding chip is used for converting digital audio signals into analog audio signals; the second circuit board is provided with: the charging interface is used for connecting a charger; the 3.5mm audio connector is connected with the audio decoding chip through a data line; the charging control module is respectively connected with the USB Type-C interface and the charging interface and is used for carrying out charging negotiation between the terminal equipment and the charger; and the auxiliary power supply module is used for supplying power to the charging control module and the audio decoding chip. A charging interface and a 3.5mm audio connector are provided, so that the requirement of a user for simultaneously charging and listening to music is met; the volume of the product is reduced by adopting a split design scheme that the audio decoding chip, the charging control module and the auxiliary power supply module are arranged on the two circuit boards; the digital audio signal is converted into the analog audio signal through the audio decoding chip, so that the use limitation of the product is eliminated, the compatibility of the product is improved, and the audio output with higher quality is realized; the charging control module can support quick charging and shorten the charging time. To sum up, the split type interface conversion equipment that this embodiment provided is small in size, and portable can provide faster speed of charging and better tone quality and experience, supports digital audio, and the compatibility is higher, has effectively solved the limited problem of current product use.
Fig. 2 is a schematic structural diagram of a split interface conversion device according to yet another embodiment. As shown in fig. 2, on the basis of the embodiment shown in fig. 1, in this embodiment, the charging control module 202 located on the second circuit board 20 is connected to the CC pin of the configuration channel of the USB Type-C interface 101 located on the first circuit board 10, and is also connected to the CC1_1 and CC1_2 pins of the charging interface 201 located on the second circuit board 20, and the terminal device for connecting the USB Type-C interface 101 negotiates with the charger connected to the charging interface 201 and transmits charging configuration information, such as a protocol followed by charging, charging power, and the like; a GND pin of the USB Type-C interface 101 on the first circuit board 10 is connected with a GND pin of the charging interface 201 on the second circuit board 20; the audio decoding chip 102 is connected with a positive voltage data pin D + and a negative voltage data pin D-of the USB Type-C interface 101 and is used for transmitting digital signals; r, L, G, M and DET pins of the audio decoding chip 102 are respectively connected with R, L, G, M and DET pins of the 3.5mm audio connector 30, and are used for outputting analog audio signals decoded by the audio decoding chip 102; the Vbus pin of the charging interface 201 is connected with the Vbus pin of the USB Type-C interface 101, and is used for acquiring electric energy from a charger connected to the charging interface 201 and charging terminal equipment connected to the USB Type-C interface 101; the auxiliary power supply module 203 is connected with the audio decoding chip 102 and is used for supplying power to the audio decoding chip 102 to ensure that the audio decoding chip 102 can work normally; the auxiliary power supply module 203 is also connected with the Vbus pin of the charging interface 201, the Vbus pin of the USB Type-C interface 101 and the charging control module 202 through a switch tube, and the switching function of the switch tube is utilized to obtain electric energy from the charger when the charging interface 201 is connected with the charger and the 3.5mm audio connector 30 is connected with the earphone, so as to supply power to the charging control module 202 and the audio decoding chip 102 and ensure that the charging process and the audio signal output process are normally carried out; when the charging interface 201 is not connected with a charger and the 3.5mm audio connector 30 is connected with an earphone, electric energy is obtained from the terminal equipment connected with the USB Type-C interface 101, and power is supplied to the audio decoding chip 102, so that the audio decoding chip 102 can work normally.
The split interface conversion device provided by the embodiment can be charged and connected with the earphone at the same time, is small in size and convenient to carry, supports digital audio signals, and is high in compatibility.
Fig. 3 is a schematic structural diagram of a split interface converter according to an embodiment. As shown in fig. 3, the split interface converter provided in this embodiment may include: the interface conversion device comprises a first shell 1, a second shell 2 and a split type interface conversion device provided in any one of the above embodiments. The first circuit board 10 of the split interface conversion device is arranged inside the first shell 1, and it can be understood that if the USB Type-C interface 101 adopts a USB Type-C male connector, the USB Type-C male connector is exposed outside the first shell 1; the second circuit board 20 of the split interface conversion device is arranged inside the second shell 2; first casing 1 and second casing 2 are connected through first data line between, and split type interface conversion equipment's 3.5mm audio frequency connects first casing 1 through the second data line, and the length of first data line and second data line can be the same also can be different, and is concrete, and first data line can be the four heart yearns, and the second data line can be the five heart yearns.
The first circuit board 10 and the second circuit board 20 in this embodiment may be fixed inside the first housing 1 and the second housing 2, respectively, by soldering, bonding, or the like. In order to make the split interface converter compact, the first housing 1 may be slightly larger than the first circuit board 10, and the second housing 2 may be slightly larger than the second circuit board 20. The first housing 1 and the second housing 2 may be made of metal, plastic, or the like. It should be noted that the relative position relationship of the first casing 1, the second casing 2 and the 3.5mm audio connectors may adopt a herringbone structure as shown in fig. 3, or may adopt other distributions, for example, the second casing 2 and the 3.5mm audio connectors are respectively disposed on the upper and lower sides of the first casing 1 to form a linear distribution.
The split interface converter provided by the embodiment can meet the requirements of charging and connecting the earphones at the same time, is small in size and convenient to carry, supports digital audio signals, and is high in compatibility.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (10)
1. A split interface converting apparatus, comprising: a first circuit board, a second circuit board and a 3.5mm audio connector;
the first circuit board is provided with: the audio decoding chip is connected with the USB Type-C interface, the USB Type-C interface is used for connecting terminal equipment, and the audio decoding chip is used for converting digital audio signals into analog audio signals;
the second circuit board is provided with: the charging system comprises a charging interface, a charging control module and an auxiliary power supply module, wherein the charging interface is used for connecting a charger;
the 3.5mm audio connector is connected with the audio decoding chip through a data line;
the charging control module is respectively connected with the USB Type-C interface and the charging interface and is used for carrying out charging negotiation between the terminal equipment and the charger;
the auxiliary power supply module is respectively connected with the USB Type-C interface, the charging control module and the audio decoding chip and is used for supplying power to the charging control module and the audio decoding chip.
2. The apparatus of claim 1, wherein the charging interface is a USB Type-C interface or a micro-USB interface.
3. The apparatus of claim 1, wherein the charging control module comprises at least one of a PD control chip and a QC control chip.
4. The apparatus of claim 1, wherein the audio decoding chip is a USB digital audio decoding chip.
5. The apparatus of claim 1, wherein the charging control module is to interface with the USB Type-C interface, comprising:
the charging control module is connected with a configuration channel pin of the USB Type-C interface and used for transmitting charging configuration information.
6. The apparatus of claim 1, wherein the audio decoding chip is connected to the USB Type-C interface, comprising:
the audio decoding chip is connected with a positive voltage data pin and a negative voltage data pin of the USB Type-C interface and used for transmitting data signals.
7. The apparatus of claim 1, wherein the Vbus pin of the charging interface is connected with the Vbus pin of the USB Type-C interface for charging a terminal device connected with the USB Type-C interface.
8. The apparatus according to any one of claims 1-7, wherein the auxiliary power module is connected to the USBType-C interface and the charging interface, respectively, and comprises:
the auxiliary power supply module is connected with the USB Type-C interface and the charging interface respectively through a switch tube.
9. The apparatus of any of claims 1-7, wherein the first circuit board, the second circuit board, and the 3.5mm audio connector are disposed in a chevron or straight line.
10. A split interface converter, comprising: a first housing, a second housing and the split interface conversion device of any of claims 1-9;
the first circuit board of the split interface conversion device is arranged inside the first shell;
and a second circuit board of the split interface conversion device is arranged inside the second shell.
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| CN201921974712.8U CN210723594U (en) | 2019-11-14 | 2019-11-14 | Split type interface conversion device and converter |
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| CN201921974712.8U CN210723594U (en) | 2019-11-14 | 2019-11-14 | Split type interface conversion device and converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI754477B (en) * | 2020-12-01 | 2022-02-01 | 創惟科技股份有限公司 | Usb signal transmission device, usb cable and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI754477B (en) * | 2020-12-01 | 2022-02-01 | 創惟科技股份有限公司 | Usb signal transmission device, usb cable and operation method thereof |
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