CN214673341U - Connector, dual-purpose line and connecting device - Google Patents
Connector, dual-purpose line and connecting device Download PDFInfo
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- CN214673341U CN214673341U CN202121344530.XU CN202121344530U CN214673341U CN 214673341 U CN214673341 U CN 214673341U CN 202121344530 U CN202121344530 U CN 202121344530U CN 214673341 U CN214673341 U CN 214673341U
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Abstract
The application provides a connector, dual-purpose line and connecting device, belongs to cell-phone charging technology field. The connector includes: the device comprises a processing module, an audio conversion module, a first connecting module, a second connecting module and a third connecting module; the processing module is respectively connected with the audio conversion module, the first connecting module and the second connecting module; the first connecting module is also connected with the second connecting module and the audio conversion module respectively; the audio conversion module is further connected with the third connection module, the processing module is used for receiving a detection instruction sent by the terminal device, generating corresponding feedback information based on the detection instruction, and sending the feedback information to the terminal device, wherein the feedback information is used for indicating the terminal device to open a preset transmission port. This application can realize inserting 3.5mm standard earphone and carry out quick charge simultaneously to also can improve the speed of charging.
Description
Technical Field
The application relates to the technical field of mobile phone charging, in particular to a connector, a dual-purpose wire and a connecting device.
Background
Some existing mobile phones usually have only one external interface, which needs to be connected with both the earphone and the charging cord, so that the user cannot wear the earphone while charging during use.
To solve this technical problem, the methods adopted in the prior art are generally provided with a special switching line having three ends: two female seats, a plug, the plug is used for connecting the external interface of cell-phone, and charging wire and earphone are connected respectively to two female seats, and wherein the earphone is 3.5 mm's standard earphone.
In the prior art, a mobile phone port is divided into a charging interface and an earphone interface on a relatively simple circuit, a rear-end charging loop and a quick charging protocol access are not further controlled, conditions required by quick charging are provided, the quick charging cannot be realized, and the charging speed is slow.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a connector, dual-purpose line and connecting device, can realize inserting carrying out quick charge when 3.5mm standard earphone to also can improve the speed of charging.
The embodiment of the application is realized as follows:
in one aspect of the embodiments of the present application, there is provided a connector, including: the device comprises a processing module, an audio conversion module, a first connecting module, a second connecting module and a third connecting module;
the processing module is respectively connected with the audio conversion module, the first connecting module and the second connecting module; the first connecting module is also connected with the second connecting module and the audio conversion module respectively; the audio conversion module is also connected with a third connection module;
the second connecting module is used for sending a charging voltage signal to the first connecting module through the processing module;
the first connection module is also used for sending an audio signal to the third connection module through the processing module and the audio conversion module;
the audio conversion module is used for converting the audio signal into a preset format;
the processing module is used for receiving a detection instruction sent by the terminal equipment, generating corresponding feedback information based on the detection instruction, and sending the feedback information to the terminal equipment, wherein the feedback information is used for indicating the terminal equipment to open a preset transmission port.
Optionally, the processing module comprises: the device comprises a first control pin, a second control pin and a third control pin;
the first control pin is respectively connected with the first connecting module and the second connecting module;
the second control pin is connected with the first connecting module;
the third control pin is respectively connected with the first connecting module, the second connecting module and the audio conversion module.
Optionally, the connector further comprises: verifying the chip;
the verification chip is connected with a second control pin of the processing module;
the verification chip is used for sending authentication information to the terminal equipment for transmission protocol authentication.
Optionally, the first connection module comprises: the first signal pin is connected with the first signal pin through the first connecting pin;
the first connecting pin is respectively connected with a third control pin of the processing module and the audio conversion module;
the second connecting pin is respectively connected with the first control pin of the processing module and the second connecting module;
the third connecting pin is connected with the second connecting module;
the fourth connecting pin is connected with the second control pin of the processing module and the verification chip;
the first signal pin and the second signal pin are respectively connected with the audio conversion module.
Optionally, the second connection module comprises: a fifth connection pin, a sixth connection pin, and a seventh connection pin;
the fifth connecting pin is connected with a third control pin of the processing module;
the sixth connecting pin is connected with the third connecting pin of the first connecting module;
the seventh connection pin is respectively connected with the first control pin of the processing module and the second connection pin of the first connection module.
Optionally, the audio conversion module includes an authentication chip and an audio conversion chip;
the authentication chip includes: a first authentication pin, an eighth connection pin and a ninth connection pin;
the first authentication pin is respectively connected with the second control pin of the processing module, the first connection pin of the first connection module and the audio conversion chip;
the eighth connecting pin and the ninth connecting pin are respectively connected with the audio conversion chip;
the authentication chip is used for sending authentication information to the terminal equipment to carry out serial bus authentication;
the audio conversion chip is used for converting the audio signal into a preset format after serial bus authentication.
Optionally, the audio conversion chip includes: a tenth connection pin, an eleventh connection pin, a third signal pin, a fourth signal pin, a second authentication pin, a first output pin, a second output pin, a third output pin, and a fourth output pin;
the tenth connecting pin and the eleventh connecting pin are respectively connected with the eighth connecting pin and the ninth connecting pin of the authentication chip;
the third signal pin and the fourth signal pin are respectively connected with the first signal pin and the second signal pin of the first connecting module;
the second authentication pin is respectively connected with the second control pin of the processing module, the first connection pin of the first connection module and the first authentication pin of the authentication chip;
the first output pin, the second output pin, the third output pin and the fourth output pin are respectively connected with the third connecting module.
Optionally, the third connection module comprises: a first input pin, a second input pin, a third input pin and a fourth input pin;
the first input pin, the second input pin, the third input pin and the fourth input pin are respectively connected with the first output pin, the second output pin, the third output pin and the fourth output pin of the audio conversion chip.
In another aspect of the embodiments of the present application, a dual-purpose line is provided, which includes connectors and three external terminals, wherein the first connection module, the second connection module, and the third connection module of the two connectors are respectively disposed in the three external terminals, and the external terminal corresponding to the third connection module is a 3.5mm standard earphone terminal.
On the other hand of this application embodiment provides a connecting device, including dual-purpose line, with dual-purpose line connection's charging wire, with dual-purpose line connection's 3.5 mm's standard earphone cord.
The beneficial effects of the embodiment of the application include:
in the connector, the dual-purpose line and the connecting device provided by the embodiment of the application, the processing module is respectively connected with the audio conversion module, the first connecting module and the second connecting module; the first connecting module is also connected with the second connecting module and the audio conversion module respectively; the audio conversion module is also connected with a third connection module; the second connecting module is used for sending a charging voltage signal to the first connecting module through the processing module; the first connection module is also used for sending an audio signal to the third connection module through the processing module and the audio conversion module; the audio conversion module is used for converting the audio signal into a preset format; the processing module is used for receiving the detection instruction sent by the terminal equipment, generating corresponding feedback information based on the detection instruction and sending the feedback information to the terminal equipment, wherein, after the connector is connected with the terminal device, the processing module can receive the detection instruction sent by the terminal device, and after the feedback information is sent to the terminal device based on the detection instruction, the terminal device can open the preset transmission port, thereby carrying out audio transmission without occupying a charging transmission port, and further carrying out rapid charging while carrying out audio transmission, wherein the audio transmission is the audio transmission of a lightning format interface, and the audio format capable of being transmitted by a standard earphone cable of 3.5mm can be obtained after the preset format conversion is carried out by the audio processing module, therefore, the quick charging and the audio transmission can be carried out simultaneously, the charging speed is improved, and the applicability of the connector is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a first schematic structural diagram of a connector according to an embodiment of the present disclosure;
fig. 2 is a second schematic structural diagram of a connector according to an embodiment of the present application;
fig. 3 is a schematic structural diagram three of a connector provided in the embodiment of the present application;
fig. 4 is a schematic structural diagram of a connector according to an embodiment of the present application;
fig. 5 is a schematic structural diagram five of a connector provided in the embodiment of the present application;
fig. 6 is a sixth schematic structural diagram of a connector provided in an embodiment of the present application;
fig. 7 is a seventh schematic structural diagram of a connector provided in the embodiment of the present application;
fig. 8 is a schematic structural diagram eight of a connector provided in the embodiment of the present application;
FIG. 9 is a schematic structural diagram of a dual-purpose wire according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a connection device according to an embodiment of the present application.
Icon: 100-a processing module; 110-a first control pin; 120-a second control pin; 130-a third control pin; 140-a first resistance; 200-an audio conversion module; 210-an authentication chip; 211-a first authentication pin; 212-eighth connection pin; 213-ninth connection pin; 220-audio conversion chip; 221-tenth connection pin; 222-an eleventh connection pin; 223-a third signal pin; 224-a fourth signal pin; 225-second authentication pin; 226-first output pin; 227-a second output pin; 228-a third output pin; 229-a fourth output pin; 300-a first connection module; 310-a first connection pin; 320-a second connection pin; 330-a third connection pin; 340-a fourth connection pin; 350-a first signal pin; 360-a second signal pin; 400-a second connection module; 410-a fifth connection pin; 420-a sixth connection pin; 430-seventh connection pin; 500-a third connection module; 510-a first input pin; 520-a second input pin; 530-third input pin; 540-fourth input pin; 600-verifying the chip; 10-a connector; 20-external wire end; 30-dual-purpose line; 40-a charging wire; 50-standard earphone cord.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is noted that the terms "first", "second", "third", and the like are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that, the connector adopted in the prior art generally does not have a processing module, which results in that when the connector is connected to a mobile phone or other types of terminal devices, the terminal devices cannot verify the type of the connecting line, and therefore, in the process of simultaneously charging and playing audio, it is equivalent to simultaneously connecting a charging line and a 3.5mm standard earphone cord with a bus of the terminal device, which results in that the connector can only be charged at a normal charging speed in the charging process.
The specific connection relationship and the function of the connector provided in the embodiment of the present application will be specifically explained below.
Fig. 1 is a first schematic structural diagram of a connector according to an embodiment of the present application, and referring to fig. 1, the connector includes: a processing module 100, an audio conversion module 200, a first connection module 300, a second connection module 400 and a third connection module 500; the processing module 100 is respectively connected with the audio conversion module 200, the first connection module 300 and the second connection module 400; the first connection module 300 is further connected to the second connection module 400 and the audio conversion module 200, respectively; the audio conversion module 200 is also connected with a third connection module 500; the second connection module 400 is used for sending a charging voltage signal to the first connection module 300 through the processing module; the first connection module 300 is further configured to send an audio signal to the third connection module 500 through the processing module 100 and the audio conversion module 200; the audio conversion module 200 is configured to convert the audio signal into a preset format; the processing module 100 is configured to receive a detection instruction sent by the terminal device, generate corresponding feedback information based on the detection instruction, and send the feedback information to the terminal device, where the feedback information is used to instruct the terminal device to open a preset transmission port.
Alternatively, the terminal device may be an electronic device such as a computer, a mobile phone, a tablet computer, and the like. In the embodiment of the present application, a terminal device is taken as an example of a mobile phone, for example: the mobile phone is a mobile phone of an IOS system, the mobile phone may have a female interface socket, the female interface socket may be an interface of lightning format, and if the mobile phone needs to be connected with a standard earphone cable of 3.5mm, the interface conversion is required. The interface female socket of the mobile phone can be used for connecting with the first connection module 300 of the connector, and after the first connection module 300 is connected with the interface female socket, the connector can be considered to be connected with the mobile phone.
Alternatively, the processing module 100 may be a Micro Controller Unit (MCU), and the specific expression may be a control chip having a plurality of pins, which is not particularly limited herein.
Optionally, the audio conversion module 200 may be a module composed of a plurality of chips, and may convert the audio signal of the lightning interface into an audio signal that can be transmitted by a standard 3.5mm headphone cable, that is, may convert the audio signal into a preset format.
After the verification process of the mobile phone and the processing module is completed and a port for outputting audio is provided, the mobile phone can send serial port authentication data from a D + port and a D-port of the first connection module, the audio conversion module converts an authentication command sent by the mobile phone into a specific bus protocol and sends the specific bus protocol to an authentication chip connected with the audio conversion module, the authentication chip feeds back the authenticated data, the audio chip converts a transmission format and feeds back the authenticated data to the mobile phone, the mobile phone formally starts sending audio signals after receiving correct authentication feedback, and in addition, the audio processing module can convert the audio signals into 3.5mm earphone signals of normal specification to realize that the earphone listens to songs. Accordingly, if the authentication fails, the transmission of the audio signal is not performed.
Alternatively, the first connection module 300 may be a terminal used in an access terminal device, and specifically may be a chip provided in a plug; the second connection module 400 may be a terminal for connecting a charging wire, and specifically may be a chip disposed in a female socket; the third connection module 500 may be a terminal for connecting an earphone cable of a 3.5mm standard earphone cable interface, and specifically may be a chip disposed in the mother socket.
Optionally, after the connector is connected to the terminal device, the terminal device may send a detection instruction to the processing module 100, where the detection instruction may be specifically used to detect the model, name, and the like of the connector; after the processing module 100 receives the detection instruction, corresponding feedback information may be generated, the feedback information may include the model, the name, and the like of the connector, and after the terminal device receives the model and the name of the connector, verification may be performed, so as to determine that the connector is the connector meeting the preset condition, and then the preset transmission port may be opened (the preset transmission port may not be opened for connection without successful verification), and in the case of opening the preset transmission port, the audio signal may be transmitted only through the port, so as to perform quick charging.
Optionally, after the connector connects the charging wire, the charging wire can be connected with terminal equipment's female seat of interface through the connector, and then can charge, and after opening above-mentioned transmission port of predetermineeing, the audio transmission can not occupy the charging channel, correspondingly, can charge the power supply with full-load voltage, consequently, can realize quick charge.
Optionally, after the connector is connected to the earphone cable, the earphone cable may receive a related audio signal sent by the terminal device through the connector, and further obtain a corresponding audio, where the earphone cable is an earphone cable of a standard earphone cable interface of 3.5 mm.
In the connector provided by the embodiment of the application, the processing module is respectively connected with the audio conversion module, the first connection module and the second connection module; the first connecting module is also connected with the second connecting module and the audio conversion module respectively; the audio conversion module is also connected with a third connection module; the second connecting module is used for sending a charging voltage signal to the first connecting module through the processing module; the first connection module is also used for sending an audio signal to the third connection module through the processing module and the audio conversion module; the audio conversion module is used for converting the audio signal into a preset format; the processing module is used for receiving the detection instruction sent by the terminal equipment, generating corresponding feedback information based on the detection instruction and sending the feedback information to the terminal equipment, wherein, after the connector is connected with the terminal device, the processing module can receive the detection instruction sent by the terminal device, and after the feedback information is sent to the terminal device based on the detection instruction, the terminal device can open the preset transmission port, thereby carrying out audio transmission without occupying a charging transmission port, and further carrying out rapid charging while carrying out audio transmission, wherein the audio transmission is the audio transmission of a lightning format interface, and the audio format capable of being transmitted by a standard earphone cable of 3.5mm can be obtained after the preset format conversion is carried out by the audio processing module, therefore, the quick charging and the audio transmission can be carried out simultaneously, the charging speed is improved, and the applicability of the connector is improved.
The specific structure of the processing module in the connector provided in the embodiment of the present application and the connection relationship between the processing module and other structures will be specifically explained below.
Fig. 2 is a second schematic structural diagram of a connector according to an embodiment of the present application, and referring to fig. 2, a processing module 100 includes: a first control pin 110, a second control pin 120, a third control pin 130; the first control pin 110 is connected with the first connection module 300 and the second connection module 400 respectively; the second control pin 120 is connected with the first connection module 300; the third control pin 130 is connected to the first connection module 300, the second connection module 400 and the audio conversion module 200, respectively.
Optionally, the signal transmitted by the first control pin 110 is a USB _ CC signal, which may be used for protocol authentication for performing fast charging.
Optionally, the first control pin 110 is connected to the first connection module 300 and the second connection module 400, and the USB _ CC signal can be transmitted between the first connection module 300 and the second connection module 400, so as to implement the fast charging protocol authentication of the terminal device on the connector, and after the authentication is successful, the fast charging can be started.
Optionally, the signal transmitted by the second control pin 120 is an ID0 signal, and the ID0 signal can be used for transmission protocol authentication.
Optionally, the second control pin 120 is connected to the first connection module 300, and may transmit an ID0 signal with the first connection module 300, so as to verify the model of the chip related to the connector by the terminal device, that is, determine whether the model of the chip related to the connector conforms to the transmission protocol authentication, and after the authentication is successful, perform the authentication of the fast charging.
Optionally, the signal transmitted by the third control pin 130 is an ID1 signal (SDQ signal), which may be a pull-up voltage signal provided by the terminal device, which may be a fixed voltage value.
Optionally, the third control pin 130 is connected to the first connection module 300, the second connection module 400 and the audio conversion module 200, and may transmit an ID1 signal (SDQ signal) between the first connection module 300, the second connection module 400 and the audio conversion module 200, where the SDQ signal is specifically a pull-up voltage provided by the first connection module 300, and provides the pull-up voltage to the processing module 100, the second connection module 400 and the audio conversion module 200, respectively. It should be noted that the third control pin 130 of the processing module 100 is connected to the first resistor 140, and one end of the first resistor 140 is respectively connected to the first connection module 300 and the audio conversion module 200; the other end of the first resistor 140 is connected to the second connection module 400 and the third control pin 130, and the first resistor 140 may be a protection resistor.
Optionally, the processing module may interact with the mobile phone to open a preset channel; and a control command can be sent to a charging wire inserted into the second connection module at the rear end through an SDQ signal to control the charging wire to provide charging voltage and close the charging voltage at a specific time, a connection channel between the mobile phone and the charger is established through a USB _ CC signal, a quick charging protocol is transmitted, and the mobile phone can enter a normal quick charging state after the transmission of the quick charging protocol is completed.
The specific structure of the verification chip in the connector provided in the embodiment of the present application and the connection relationship between the verification chip and other structures will be specifically explained below.
Fig. 3 is a third schematic structural diagram of a connector according to an embodiment of the present application, please refer to fig. 3, where the connector further includes: a verification chip 600; the verification chip 600 is connected to the second control pin 120 of the processing module 100; the verification chip 600 is configured to send authentication information to the terminal device for transmission protocol authentication.
The verification chip 600 may specifically be a chip for performing transmission protocol authentication, and the verification chip may include a plurality of pins, where at least one pin may be connected to the second control pin 120 of the processing module 100, and the pin may receive an ID0 signal, and may perform verification of the model of the verification chip 600 of the connector by the terminal device, that is, the terminal device may determine whether the model of the verification chip 600 of the connector conforms to transmission protocol authentication preset in the terminal device, and if the authentication is successful, the aforementioned fast charging authentication and subsequent charging and audio transmission behaviors may be performed, which is not limited specifically herein.
The specific structure of the first connection module and the connection relationship between the first connection module and other structures in the connector provided in the embodiment of the present application are specifically explained below.
Fig. 4 is a fourth schematic structural diagram of a connector according to an embodiment of the present application, referring to fig. 4, a first connection module 300 includes: a first connection pin 310, a second connection pin 320, a third connection pin 330, a fourth connection pin 340, a first signal pin 350, a second signal pin 360; the first connection pin 310 is respectively connected with the third control pin 130 of the processing module 100 and the audio conversion module 200; the second connection pin 320 is respectively connected with the first control pin 110 of the processing module 100 and the second connection module 400; the third connection pin 330 is connected to the second connection module 400; the fourth connection pin 340 is connected with the second control pin 120 of the processing module 100 and the verification chip 600; the first signal pin 350 and the second signal pin 360 are respectively connected to the audio conversion module 200.
Optionally, the signal transmitted by the first connection pin 310 is an ID1 signal, the signal transmitted by the second connection pin 320 is a USB _ CC signal, the signal transmitted by the third connection pin 330 is a PWR signal, and the signal transmitted by the fourth connection pin 340 is an ID0 signal. The PWR signal transmitted by the third connection pin 330 may be a voltage signal for providing power.
Optionally, the first connection pin 310 is connected to the third control pin 130 of the processing module 100 and the audio conversion module 200, and in addition, as can be obtained from the foregoing connection relationship, the first connection pin 310 may also be connected to the second connection module 400 through the first resistor 140, and specific actions of the foregoing are explained above and are not repeated herein.
Optionally, the second connection pin 320 is connected to the first control pin 110 of the processing module 100 and the second connection module 400, respectively, and may transmit the USB _ CC signal, so as to implement the fast charging protocol authentication of the terminal device on the connector.
Optionally, the third connection pin 330 is connected to the second connection module 400, and a supply voltage may be provided after the second connection module 400 is charged, and the supply voltage may be transmitted to the terminal device through the third connection pin 330, so as to charge the terminal device.
Optionally, the fourth connection pin 340 is connected to the second control pin 120 of the processing module 100 and the verification chip 600, and may transmit an ID0 signal to determine whether the model of the verification chip 600 of the connector conforms to the transmission protocol authentication.
Alternatively, the first signal pin 350 may be used to transmit a D + signal, and the second signal pin 360 may be used to transmit a D-signal, where the D + signal and the D-signal are respectively a specific protocol of the terminal device, the protocol may include an authentication command and an audio signal in a specific format, and the audio signal of the left channel and the audio signal of the right channel are finally output through the audio processing chip. After the D + signal and the D-signal are transmitted to the audio conversion module 200, the audio conversion module 200 may analyze, identify and convert the audio signal, and then transmit the converted audio signal to the third connection module 500, and the third connection module 500 may analyze, identify and process the converted audio signal again, so as to obtain a sound signal that can be identified by human ears.
The specific structure of the second connection module in the connector provided in the embodiment of the present application and the connection relationship between the second connection module and other structures will be specifically explained below.
Fig. 5 is a fifth structural schematic diagram of a connector according to an embodiment of the present application, please refer to fig. 5, in which the second connection module 400 includes: a fifth connection pin 410, a sixth connection pin 420, and a seventh connection pin 430; the fifth connection pin 410 is connected with the third control pin 130 of the processing module 100; the sixth connection pin 420 is connected with the third connection pin 330 of the first connection module 300; the seventh connection pin 430 is connected to the first control pin 110 of the processing module 100 and the second connection pin 320 of the first connection module 300, respectively.
Optionally, the signal transmitted by the fifth connection pin 410 is an SDQ signal, that is, the aforementioned ID1 signal; the signal transmitted by the sixth connection pin 420 is a PWR signal; the signal transmitted by the seventh connection pin 430 is a USB _ CC signal.
Optionally, the effect of the signal transmitted by each pin has been explained in the foregoing explanation process of the processing module, and is not described herein again.
The specific structure of the audio conversion module in the connector provided in the embodiment of the present application and the connection relationship between the audio conversion module and other structures will be specifically explained below.
Fig. 6 is a sixth schematic structural diagram of a connector according to an embodiment of the present application, please refer to fig. 6, in which an audio conversion module 200 includes an authentication chip 210 and an audio conversion chip 220; the authentication chip 210 includes: a first authentication pin 211, an eighth connection pin 212, a ninth connection pin 213; the first authentication pin 211 is respectively connected to the second control pin 120 of the processing module 100, the first connection pin 310 of the first connection module 300, and the audio conversion chip 220; the eighth connection pin 212 and the ninth connection pin 213 are respectively connected to the audio conversion chip 220; the authentication chip 210 is configured to send authentication information to the terminal device for serial bus authentication; the audio conversion chip 220 is used for converting the audio signal into a preset format after the serial bus authentication is performed.
Optionally, the first authentication pin 211 of the authentication chip 210 is used for transmitting the ID1 signal, which functions as described above and provides a pull-up voltage.
Optionally, the eighth connection pin 212 and the ninth connection pin 213 of the authentication chip 210 may be configured to transmit authentication information, that is, authentication information for the serial bus authentication, and the authentication chip 210 may send the authentication information to the audio conversion chip 220, and then send the authentication information to the first connection module 300 through the audio conversion chip 220, so that the terminal device performs corresponding authentication.
Optionally, the audio conversion chip 220 includes: a tenth connection pin 221, an eleventh connection pin 222, a third signal pin 223, a fourth signal pin 224, a second authentication pin 225, a first output pin 226, a second output pin 227, a third output pin 228, and a fourth output pin 229; the tenth connection pin 221 and the eleventh connection pin 222 are respectively connected to the eighth connection pin 212 and the ninth connection pin 213 of the authentication chip 210; the third signal pin 223 and the fourth signal pin 224 are respectively connected with the first signal pin 350 and the second signal pin 360 of the first connection module 300; the second authentication pin 225 is respectively connected with the second control pin 120 of the processing module 100, the first connection pin 310 of the first connection module 300 and the first authentication pin 211 of the authentication chip 210; the first output pin 226, the second output pin 227, the third output pin 228, and the fourth output pin 229 are respectively connected to the third connection module 500.
Optionally, the tenth connection pin 221 and the eleventh connection pin 222 in the audio conversion chip 220 are respectively connected to the eighth connection pin 212 and the ninth connection pin 213 of the authentication chip 210 for transmitting authentication information.
Optionally, the third signal pin 223 and the fourth signal pin 224 of the audio conversion chip 220 are respectively connected to the first signal pin 350 and the second signal pin 360 of the first connection module 300, and are configured to transmit the aforementioned D + signal and D-signal.
Optionally, the second authentication pin 225 of the audio conversion chip 220 is used for transmitting the signal ID1, and the specific actions are the same as the above, and both provide a power-on voltage; in addition, the audio conversion chip can also transmit the transmission authentication information received by the tenth connection pin 221 and the eleventh connection pin 222 to the terminal device through the pins, thereby performing the aforementioned serial bus authentication (I2C authentication).
Optionally, the first output pin 226, the second output pin 227, the third output pin 228, and the fourth output pin 229 of the audio conversion chip 220 are respectively connected to the third connection module 500, and are respectively used for transmitting the left and right channel signals L and R signals, and the related signals K and G configured in the headset. The K signal can be a key signal of the earphone and is used for realizing the pause and the start of listening to songs by the earphone, and the G signal is a signal which is grounded.
Alternatively, the audio conversion chip 220 may be specifically a jerry chip.
The specific structure of the third connection module in the connector provided in the embodiment of the present application and the connection relationship between the third connection module and other structures will be specifically explained below.
Fig. 7 is a seventh structural schematic diagram of a connector according to an embodiment of the present application, please refer to fig. 7, in which the third connection module 500 includes: a first input pin 510, a second input pin 520, a third input pin 530, and a fourth input pin 540; the first input pin 510, the second input pin 520, the third input pin 530 and the fourth input pin 540 are respectively connected to the first output pin 226, the second output pin 227, the third output pin 228 and the fourth output pin 229 of the audio conversion chip 220.
The first input pin 510 and the second input pin 520 are respectively used for transmitting an L signal and an R signal, that is, audio signals of left and right channels, the third input pin 530 is used for transmitting a K signal, and the fourth input pin is used for transmitting a G signal.
The overall connection relationship of the connector provided in the embodiments of the present application is explained below by an overall connection relationship diagram of the connector.
Fig. 8 is a schematic structural diagram eight of the connector according to the embodiment of the present application, please refer to fig. 8, where what is shown in fig. 8 is the connection relationship of the pins between the sub-structures, and the specific connection relationship and the effect of the transmitted signals are explained in the foregoing, and are not repeated herein.
The specific structural relationship of the dual-purpose wire provided in the embodiment of the present application and the relationship with the aforementioned connector are specifically explained below.
Fig. 9 is a schematic structural diagram of a dual-purpose cord according to an embodiment of the present application, please refer to fig. 9, which includes connectors 10 and three external terminals 20, wherein a first connection module 300, a second connection module 400, and a third connection module 500 of the two connectors 10 are respectively disposed in the three external terminals 20, and the external terminal 20 corresponding to the third connection module 500 is a standard 3.5mm earphone terminal.
Alternatively, the external terminal 20 may be made of any non-conductive material, and wraps the housing disposed outside the connector 10 to protect the connector 10, and the protective housings may be disposed outside the first connection module 300, the second connection module 400, and the third connection module 500, respectively.
Specific structures of the connecting means provided in the embodiments of the present application and specific connection relationships between these structures are specifically explained below.
Fig. 10 is a schematic structural diagram of a connection device according to an embodiment of the present application, and referring to fig. 10, the connection device includes a dual-purpose wire 30, a charging wire 40 connected to the dual-purpose wire 30, and a standard earphone cord 50 of 3.5mm connected to the dual-purpose wire 30.
Optionally, the charging line 40 may be a lightning-format mobile phone charging line, the standard earphone cord 50 is a universal 3.5mm standard earphone cord, and the charging line 40 and the standard earphone cord 50 may be separately disposed, where the charging line 40 is used to connect an external power source to implement charging; standard headphone cable 50 is used to connect headphones for audio playback.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A connector, comprising: the device comprises a processing module, an audio conversion module, a first connecting module, a second connecting module and a third connecting module;
the processing module is respectively connected with the audio conversion module, the first connecting module and the second connecting module; the first connecting module is also connected with the second connecting module and the audio conversion module respectively; the audio conversion module is also connected with the third connection module;
the second connection module is used for sending a charging voltage signal to the first connection module through the processing module;
the first connection module is further configured to send an audio signal to the third connection module through the processing module and the audio conversion module;
the audio conversion module is used for converting the audio signal into a preset format;
the processing module is used for receiving a detection instruction sent by the terminal equipment, generating corresponding feedback information based on the detection instruction, and sending the feedback information to the terminal equipment, wherein the feedback information is used for indicating the terminal equipment to open a preset transmission port.
2. The connector of claim 1, wherein the processing module comprises: the device comprises a first control pin, a second control pin and a third control pin;
the first control pin is respectively connected with the first connection module and the second connection module;
the second control pin is connected with the first connecting module;
the third control pin is respectively connected with the first connection module, the second connection module and the audio conversion module.
3. The connector of claim 2, wherein the connector further comprises: verifying the chip;
the verification chip is connected with a second control pin of the processing module;
the verification chip is used for sending authentication information to the terminal equipment for transmission protocol authentication.
4. The connector of claim 3, wherein the first connection module comprises: the first signal pin is connected with the first signal pin through the first connecting pin;
the first connecting pin is respectively connected with a third control pin of the processing module and the audio conversion module;
the second connecting pin is respectively connected with the first control pin of the processing module and the second connecting module;
the third connecting pin is connected with the second connecting module;
the fourth connecting pin is connected with a second control pin of the processing module and the verification chip;
the first signal pin and the second signal pin are respectively connected with the audio conversion module.
5. The connector of claim 4, wherein the second connection module comprises: a fifth connection pin, a sixth connection pin, and a seventh connection pin;
the fifth connection pin is connected with a third control pin of the processing module;
the sixth connecting pin is connected with a third connecting pin of the first connecting module;
the seventh connection pin is connected with the first control pin of the processing module and the second connection pin of the first connection module respectively.
6. The connector of claim 5, wherein the audio conversion module comprises an authentication chip and an audio conversion chip;
the authentication chip includes: a first authentication pin, an eighth connection pin and a ninth connection pin;
the first authentication pin is respectively connected with the second control pin of the processing module, the first connection pin of the first connection module and the audio conversion chip;
the eighth connecting pin and the ninth connecting pin are respectively connected with the audio conversion chip;
the authentication chip is used for sending authentication information to the terminal equipment to carry out serial bus authentication;
the audio conversion chip is used for converting the audio signal into a preset format after serial bus authentication.
7. The connector of claim 6, wherein the audio conversion chip comprises: a tenth connection pin, an eleventh connection pin, a third signal pin, a fourth signal pin, a second authentication pin, a first output pin, a second output pin, a third output pin, and a fourth output pin;
the tenth connecting pin and the eleventh connecting pin are respectively connected with an eighth connecting pin and a ninth connecting pin of the authentication chip;
the third signal pin and the fourth signal pin are respectively connected with the first signal pin and the second signal pin of the first connection module;
the second authentication pin is respectively connected with a second control pin of the processing module, a first connection pin of the first connection module and a first authentication pin of the authentication chip;
the first output pin, the second output pin, the third output pin and the fourth output pin are respectively connected with the third connecting module.
8. The connector of claim 7, wherein the third connection module comprises: a first input pin, a second input pin, a third input pin and a fourth input pin;
the first input pin, the second input pin, the third input pin and the fourth input pin are respectively connected with the first output pin, the second output pin, the third output pin and the fourth output pin of the audio conversion chip.
9. A dual-purpose cord comprising the connector according to any one of claims 1 to 8 and three external terminals, wherein the first connection module, the second connection module and the third connection module of the connector are respectively disposed in the three external terminals, and the external terminal corresponding to the third connection module is a 3.5mm standard earphone terminal.
10. A connection device comprising the dual-purpose cord of claim 9, a charging cord connected to the dual-purpose cord, and a 3.5mm standard earphone cord connected to the dual-purpose cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121344530.XU CN214673341U (en) | 2021-06-16 | 2021-06-16 | Connector, dual-purpose line and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121344530.XU CN214673341U (en) | 2021-06-16 | 2021-06-16 | Connector, dual-purpose line and connecting device |
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| Publication Number | Publication Date |
|---|---|
| CN214673341U true CN214673341U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121344530.XU Active CN214673341U (en) | 2021-06-16 | 2021-06-16 | Connector, dual-purpose line and connecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584322A (en) * | 2022-03-31 | 2022-06-03 | 浙江地芯引力科技有限公司 | Method and device for switching key authentication mode of connection device, connection device and medium |
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2021
- 2021-06-16 CN CN202121344530.XU patent/CN214673341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584322A (en) * | 2022-03-31 | 2022-06-03 | 浙江地芯引力科技有限公司 | Method and device for switching key authentication mode of connection device, connection device and medium |
| CN114584322B (en) * | 2022-03-31 | 2023-08-22 | 浙江地芯引力科技有限公司 | Method and device for switching secret key authentication modes of connecting device, connecting device and medium |
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