CN216085404U

CN216085404U - Novel TYPE-C socket wiring structure

Info

Publication number: CN216085404U
Application number: CN202121832163.8U
Authority: CN
Inventors: 唐柏川
Original assignee: Shenzhen Jincheng Technology Co ltd
Current assignee: Shenzhen Jincheng Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-18
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a novel TYPE-C socket wiring structure, which relates to the technical field of TYPE-C sockets and comprises a USB TYPE-C female seat, wherein a CC1 end and a CC2 end of the USB TYPE-C female seat are connected with a TYPE-C audio line, and the TYPE-C audio line is connected with an IO port or an ADC port of a main control IC in a sound box. According to the utility model, the traditional metal shell is not used for inserting grounding detection, but the CC1 end and the CC2 end are used for detection, and the CC1 end and the CC2 end are used as elastic contacts on pins, so that the contact performance is better and better than that of metal shell contact in the traditional technology, and therefore, the phenomena of poor contact, detection interruption and the like cannot be caused when a user touches an audio line to swing in the using process, and the problems that the product is mistakenly identified as audio input when some brand charging wires charge the product are solved.

Description

Novel TYPE-C socket wiring structure

Technical Field

The utility model relates to the technical field of TYPE-C sockets, in particular to a novel TYPE-C socket wiring structure.

Background

The USB interface has three interfaces with different appearances, namely Type-A, Type-B, Type-A and Type-C, has the advantage of small volume, is the latest USB interface appearance standard, and can be applied to both a PC and an external device. The size of the socket end of the Type-C interface is about 8.3mm multiplied by 2.5m thin design, the function of 'positive and negative insertion' which can be inserted from the front and the back is supported, 1 ten thousand repeated insertion and extraction can be borne, the standard specification connecting wire of the Type-C connector can pass through 3A current, and meanwhile, the USB PD exceeding the existing USB power supply capacity is also supported, and the maximum power of 100W can be provided.

The audio system is connected with a mobile phone through a phi 3.5 plug-to-TYPE-C male line, mobile phone audio can be played through the K Song audio system, and the K Song audio system can be used for playing/singing/recording/playback through the K Song audio system after recording the APP such as 'all-people K Song' or 'cool dog music' and the like by the mobile phone.

The main master control IC's in the product of production at present IO mouth (or ADC mouth) links to each other as inserting the pin of examining with the stereo set is mainly used to the metal casing of socket, through inserting TYPE-C audio LINE (the public head of this TYPE-C LINE is inside and pin GND short circuit), make the metal casing of LINE and the female seat metal casing of stereo set contact, IC in the stereo set is through detecting whether ground connection of the metal casing of female seat, judge whether there is the audio LINE to insert with this, whether stereo set IC inserts through judging the audio LINE and decides to switch to the LINE mode, and whether report corresponding prompt tone.

In the prior art, the situation of poor contact caused by looseness can occur when a plug is used for a long time and the plugging times are more, and aiming at the problem, the utility model provides a novel TYPE-C socket wiring structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel TYPE-C socket wiring structure, which does not use the traditional metal shell to insert into the ground for detection, but uses a CC1 end and a CC2 end as detection, because the CC1 end and the CC2 end are used as elastic contacts on pins, the contact performance is better and better than the metal shell contact in the traditional technology, the phenomena of poor contact, detection interruption and the like can not be caused by swinging when the user touches an audio line in the using process, and the problems that the product is mistakenly identified as audio input and the like when some brand charging wires charge the product are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a novel TYPE-C socket wiring structure, includes the female seat of USBType-C, TYPE-C audio line is connected to the CC1 end and the CC2 end of the female seat of USBType-C, and IO mouth or the ADC mouth through main control IC in TYPE-C audio line and the stereo set links to each other.

Preferably, the GND end of the USB Type-C female socket is grounded, and the GND end is an electric wire grounding end.

Preferably, the VBUS end of the USB Type-C female socket is a charging input end, and the number of the VBUS ends is 4.

Preferably, the SBU1 end and the SBU2 end of the USB Type-C female seat are REC recording output ends, and the circuit is connected with a capacitor C3 of 0.1 μ f and a resistor R4 of 2.2K, and the resistor is grounded, the Type-C provides 2 SBU lines, and when the DP function of the SBU line is turned on, the SBU line is an AUX _ P/AUX _ N differential line (the polarity of the differential line can be modified according to the positive and negative insertion direction) in the DP protocol, and is responsible for transmitting key information of the device, such as DPCD, EDID, and the like.

Preferably, a DN1 end and a DN2 end of the USB Type-C female seat are connected with a resistor R5 of 1K, a DP1 end and a DP2 end of the USB Type-C female seat are connected with a resistor R6 of 1K, and the two lines are connected in parallel and then connected with a capacitor C4 of 0.1 μ f as an audio input end.

Preferably, the metal shell end of the USB Type-C female socket is grounded.

In the technical scheme, the utility model provides the following technical effects and advantages:

according to the utility model, the traditional metal shell is not used for inserting grounding detection, but the CC1 end and the CC2 end on the USB Type-C female seat are used for detection, and the CC1 end and the CC2 end are used as elastic contacts on pins, so that the contact performance is better and better than that of the metal shell contact in the traditional technology, therefore, the phenomena of poor contact, detection interruption and the like can not be caused by swinging when the user touches an audio line in the using process, and the problems that the product is mistakenly identified as audio input and the like when some brand charging wires charge the product are solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a diagram of a conventional TYPE-C socket wiring structure;

fig. 2 is a structural view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The TYPE-C interface on the market is mostly used as the interface on the mobile phone, the multimedia, the charger and other products to be used as the earphone output or the charging function, and the mobile phone supporting the OTG function is used with the external data expansion equipment, the microUSB interface used on the K Songbao and the sound of the I earliest department is used as the charging/LINE/recording and the like, and the TYPE-C seat used later is used as the function, and the following provides a technical scheme of the application improvement of the current TYPE-C seat connection method:

the utility model provides a novel TYPE-C socket wiring structure as shown in figure 2, which comprises a USB TYPE-C female seat, wherein the TYPE-C has a volume which is much smaller than that of both TYPE-A and TYPE-B, and is the latest USB interface appearance standard, the interface has no difference in positive and negative directions, and can be inserted and pulled randomly, the CC1 end and the CC2 end of the USB TYPE-C female seat are connected with TYPE-C audio lines which are connected with IO ports or ADC ports of a main control IC in a sound box through the TYPE-C audio lines, the TYPE-C has 2 CC lines, the CC lines are mainly used for communication of a Power Delivery module (PD for short), and the CC lines are firstly used for judging the insertion direction of equipment: and forward insertion or reverse insertion, if the host is the forward insertion, the host uses a CC1 end to communicate with the equipment, and the reverse insertion uses a CC2 end, and the CC uses a single-wire protocol.

The GND end of the USB Type-C female seat is grounded, and the GND is an electric wire grounding end; the VBUS end of the USB Type-C female seat is a charging input end, and the Type-C female seat is provided with 4 VBUS; the SBU1 end and the SBU2 end of the USB Type-C female seat are REC recording output ends, the circuits are connected with a capacitor C3 of 0.1 muf and a resistor R4 of 2.2K, the resistors are grounded, the Type-C provides 2 SBU lines, and when the DP function of the SBU lines is started, the SBU lines are AUX _ P/AUX _ N differential lines (the polarity of the differential lines can be modified according to the positive and negative insertion directions) in the DP protocol and are responsible for transmitting key information of the equipment such as DPCD, EDID and the like; DN1 end and DN2 end of the USB Type-C female seat are connected with a resistor R5 of 1K, DP1 end and DP2 end of the USB Type-C female seat are connected with a resistor R6 of 1K, two lines are connected in parallel and then are connected with a capacitor C4 of 0.1 muf as an audio input end, and the metal shell end of the USB Type-C female seat is grounded.

The implementation mode is specifically as follows: fig. 1 is a conventional grounding detection scheme using a metal shell, and fig. 2 is a novel TYPE-C socket connection structure provided by the present invention, it can be seen that the present invention is applied to a sound device without using a conventional metal shell to insert a grounding detection, but instead using a CC1 terminal and a CC2 terminal as audio line insertion detections, and by matching with an audio line, the CC1 terminal and the CC2 terminal can be grounded by inserting the audio line, and the master control IC can know the state by detecting whether the pin terminal is grounded, thereby most directly solving the problems of poor audio input contact, sudden interruption of detection, and mistaken identification as audio input when some brand charging wires charge a product.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a novel TYPE-C socket wiring structure, includes the female seat of USBType-C, its characterized in that: the CC1 end and the CC2 end of the female seat of USBType-C connect TYPE-C audio line, and are connected with the IO port or the ADC port of the main control IC in the stereo set through TYPE-C audio line.

2. The novel TYPE-C socket wiring structure of claim 1, which is characterized in that: the GND end of the USB Type-C female socket is grounded.

3. The novel TYPE-C socket wiring structure of claim 1, which is characterized in that: the VBUS end of the female seat of USB Type-C is the input end that charges.

4. The novel TYPE-C socket wiring structure of claim 1, which is characterized in that: the SBU1 end and the SBU2 end of the USB Type-C female seat are REC recording output ends, 0.1 muf of capacitance C3 and 2.2K of resistor R4 are connected to the circuit, and the resistor is grounded.

5. The novel TYPE-C socket wiring structure of claim 1, which is characterized in that: DN1 end and DN2 end of the USB Type-C female seat are connected with a resistor R5 of 1K, DP1 end and DP2 end of the USB Type-C female seat are connected with a resistor R6 of 1K, and two lines are connected in parallel and then connected with a capacitor C4 of 0.1 muf as an audio input end.

6. The novel TYPE-C socket wiring structure of claim 1, which is characterized in that: the metal shell end of the USB Type-C female seat is grounded.