WO2021147416A1 - 充电控制方法、电子设备、充电盒和电子系统 - Google Patents

充电控制方法、电子设备、充电盒和电子系统 Download PDF

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Publication number
WO2021147416A1
WO2021147416A1 PCT/CN2020/123665 CN2020123665W WO2021147416A1 WO 2021147416 A1 WO2021147416 A1 WO 2021147416A1 CN 2020123665 W CN2020123665 W CN 2020123665W WO 2021147416 A1 WO2021147416 A1 WO 2021147416A1
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WO
WIPO (PCT)
Prior art keywords
charging
electronic device
contact
channel
voltage
Prior art date
Application number
PCT/CN2020/123665
Other languages
English (en)
French (fr)
Inventor
张洵
梅宏琛
刘明
王力
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华为技术有限公司
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Publication of WO2021147416A1 publication Critical patent/WO2021147416A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups

Definitions

  • This application relates to the field of charging technology, in particular to a charging control method, electronic equipment, charging box and electronic system.
  • the electronic devices are getting smaller and smaller.
  • the electronic devices are generally equipped with charging boxes for charging.
  • information interaction can also be carried out between the electronic device and the charging box.
  • the same contacts can be used between the electronic device and the charging box for charging and communication.
  • electronic devices such as earphones cannot actively initiate communication with the charging box. If the electronic device wants to initiate communication actively, it can only use a polling method, that is, to switch the charging path and the communication path at regular negotiated intervals. Doing so brings a series of problems such as affecting the charging speed, battery life, and real-time communication.
  • the technical solution of the present application provides a charging control method, an electronic device, a charging box, and an electronic system, which can enable the electronic device to initiate active communication during the charging process.
  • an electronic system including an electronic device and a charging box.
  • the electronic device includes a first charging channel, a first communication channel, a first processor, a notification module, and a first contact;
  • the charging box includes The second charging channel, the second communication channel, the second processor, the detection module and the second contact; wherein: the first charging channel is used to receive a charging signal from the charging box (for example, the charging signal is greater than 3V ⁇ voltage) to charge the electronic device;
  • the first communication channel is used to communicate with the charging box, and the first communication channel and the first charging channel pass through the first contact and the The second contact is electrically connected to the charging box;
  • the notification module is used to change the current flowing through the first contact or change the first contact under the control of the first processor
  • the detection module is used to detect the current flowing through the second contact or detect the voltage of the second contact;
  • the second processor is used to detect the current or the voltage detected by the detection module The voltage is switched from the second charging channel to the second communication channel;
  • the first processor is configured
  • the electronic device by setting a notification module on the side of the electronic device, the electronic device can change the current flowing through the first contact or change the first contact through the notification module while the charging box is charging the electronic device. Point the voltage to notify the charging box to communicate with the electronic device.
  • the detection module on the side of the charging box can detect the current flowing through the second contact or detect the voltage of the second contact to learn that the electronic device is to communicate.
  • the electronic device may be a wireless earphone, and the wireless earphone may be located in the charging box.
  • the technical solution in this application can initiate active communication when the electronic device wants to communicate, and can keep the charging process continuing when no communication is required. It can increase the charging speed, prolong the service life of the battery, and improve the real-time communication.
  • the notification module changes the current flowing through the first contact on the electronic device side or changes the voltage of the first contact, and the current flowing through the second contact on the side of the charging box can be detected by the detection module. Or detect the voltage of the second contact.
  • the first contact includes a first positive electrode and a first negative electrode
  • the second contact includes a second positive electrode and a second negative electrode
  • the first positive electrode included in the first contact is used for electrical connection with the positive electrode of the battery on the electronic device side
  • the first negative electrode is used for electrical connection with the negative electrode of the battery on the electronic device side
  • the second positive electrode included in the second contact is used for electrically connecting with the positive electrode of the battery on the charging box side
  • the second negative electrode is used for electrically connecting with the negative electrode of the battery on the charging box side.
  • the electronic device further includes a first switch module, and the first communication channel and the first charging channel pass through the first switch module and the first switch module.
  • the contacts are connected and/or disconnected.
  • the first switch module can be used to switch the first communication channel and the first charging channel.
  • the first communication channel and the first charging channel are connected to and/or disconnected from the first contact through the first switch module, including the following situations: the first communication channel passes through the first contact A switch module is connected to the first contact; the first communication channel is disconnected from the first contact through the first switch module; the first charging channel is connected to the first contact through the first switch module Point connection; the first charging channel is disconnected from the first contact through the first switch module.
  • the first communication channel and the first charging channel are connected to the first contact through the first switch module.
  • the first switch module is a field-effect MOS transistor, a triode, a thyristor, or an integrated circuit that implements a switching function.
  • the notification module includes at least three terminals, wherein: a first terminal of the at least three terminals is electrically connected to the first processor for receiving the The control signal of the first processor; the second end of the at least three terminals is electrically connected to the first position on the first charging channel, and is used to draw a current branch from the first charging channel; the at least The third terminal of the three terminals is grounded or connected to a reference level, and is used to discharge the current in the current branch.
  • the notification module can act as a current load, drawing a branch current from the first charging channel, so that the charging current on one side of the charging box will change, the current flowing through the second contact will change, or the voltage of the second contact will be changed. The change occurs so that the side of the charging box can know that the electronic device is about to initiate communication, so that it is ready to communicate with the electronic device.
  • the notification module includes any one of the following components: a field effect tube, a transistor, an integrated circuit including a field effect tube and a transistor, or a switching function integrated circuit.
  • the notification module uses the above-mentioned components, it can draw current through the first charging channel when the electronic device wants to initiate active communication, and charge normally when there is no need to initiate communication.
  • the notification module includes the FET
  • the gate of the FET is electrically connected to the first processor, and the The source is grounded, and the drain of the field effect transistor is electrically connected to the first contact.
  • the notification module includes at least three terminals, wherein: a first terminal of the at least three terminals is electrically connected to the first battery for receiving A battery obtains voltage; a second terminal of the at least three terminals is electrically connected to the first contact, and is used to apply the voltage to the first contact; a third terminal of the at least three terminals It is electrically connected to the first processor, and is used to receive a control signal of the first processor.
  • the notification module may have a boosting function.
  • the notification module obtains a voltage from the battery on the electronic device side and applies it to the first contact, so that the voltage of the first contact can be changed. In this way, the charging box can detect a change in the voltage of the first contact and learn that the electronic device is about to initiate communication.
  • the notification module may be a separate module or chip, and may also be integrated with the first processor, or integrated with other chips on the first charging channel of the electronic device.
  • the detection module may be a separate module or chip, and may also be integrated with the second processor, or integrated with other chips of the charging box.
  • the charging box further includes a second switch module, and the second communication channel and the second charging channel pass through the second switch module and the second switch module.
  • the contacts are connected and/or disconnected.
  • the second switch module may be used to switch between the second communication channel and the second charging channel.
  • the second communication channel and the second charging channel are connected to and/or disconnected from the second contact through the second switch module, including the following situations: the second communication channel passes through the first The second switch module is connected to the second contact; the second communication channel is disconnected from the second contact through the second switch module; the second charging channel is connected to the second contact through the second switch module. Point connection; the second charging channel is disconnected from the second contact through the second switch module.
  • the second switch module is a MOS tube, a triode, a thyristor, or an integrated circuit that implements a switching function.
  • the detection module includes at least three terminals, wherein: the first terminal and the second terminal of the at least three terminals and the second terminal on the second charging channel The position and the third position are electrically connected to obtain the current or voltage change between the second position and the third position; the third end of the at least three ends is electrically connected to the second processor, It is used to send the detection result of the detection module to the second processor.
  • the detection module can detect the current change or the voltage change between the second position and the third position on the second charging channel on one side of the charging box, so as to know the current or voltage change on the second charging channel.
  • the detection module includes at least three terminals, wherein: a first terminal of the at least three terminals is electrically connected to a fourth position on the second charging channel, Used to detect the voltage at the fourth position; the second end of the at least three terminals is electrically connected to a reference voltage; the third end of the at least three terminals is electrically connected to the second processor for connecting The detection result of the detection module is sent to the second processor.
  • the detection module can detect the voltage of the fourth position on the second charging channel on one side of the charging box, and then compare the voltage with the reference voltage, so as to learn the change of the current or voltage on the second charging channel.
  • the detection module includes a comparator, an operational amplifier, an integrated circuit with a function of amplifying current or voltage, or an integrated circuit with a function of detecting current or voltage.
  • the electronic device is a wireless headset.
  • an electronic device including: a charging channel for receiving a charging signal from a charging box to charge the electronic device; a communication channel for communicating with the charging box, the communication channel and the The charging channel is electrically connected to the charging box through the contact; the notification module is used to change the current flowing through the contact or the voltage of the contact under the control of the processor; the processor is used to When the charging box is charging the electronic device, the charging channel is switched to the communication channel, and the electronic device communicates with the charging box.
  • the electronic device can change the current flowing through the contact or change the voltage of the contact through the notification module during the charging of the electronic device to notify the charging box Communicate with electronic devices.
  • the technical solution of the present application can initiate active communication when the electronic device wants to communicate, and can keep the charging process continuing when no communication is required. Improve the charging speed, extend the battery life, and improve the real-time communication.
  • the electronic device further includes a switch module, and the communication channel and the charging channel are connected to and/or disconnected from the contact through the switch module.
  • the switch module is a MOS tube, a triode, a thyristor, or an integrated circuit that implements a switching function.
  • the notification module includes at least three terminals, wherein: a first terminal of the at least three terminals is electrically connected to the processor, and is configured to receive the processor The second end of the at least three terminals is electrically connected to the first position on the charging channel for drawing a current branch from the charging channel; the third terminal of the at least three terminals is grounded Or connect to the reference level, which is used to discharge the current in the current branch.
  • the notification module includes any one of the following components: a field effect tube, a transistor, an integrated circuit including a field effect tube and a transistor, or a switching function integrated circuit.
  • the notification module includes the FET
  • the gate of the FET is electrically connected to the processor
  • the source of the FET is electrically connected to the processor.
  • Grounding, and the drain of the field effect transistor is electrically connected to the contact.
  • the notification module includes at least three terminals, wherein: the first terminal of the at least three terminals is electrically connected to the battery of the electronic device, and is used for receiving A battery obtains voltage; a second terminal of the at least three terminals is electrically connected to the contact, and is used to apply the voltage to the contact; a third terminal of the at least three terminals is connected to the processor The electrical connection is used to receive the control signal of the processor.
  • the electronic device is a wireless headset.
  • a charging box including: a charging channel for transmitting a charging signal to an electronic device to charge the electronic device; a communication channel for communicating with the electronic device, the communication channel and the The charging channel is electrically connected to the electronic device through the contact; the detection module is used to detect the current flowing through the contact or the voltage of the contact; the processor is used to connect the electronic device to the charging box During the charging of the device, switching from the charging channel to the communication channel according to the current or voltage detected by the detection module, and the charging box communicates with the electronic device.
  • the detection module on the side of the charging box can detect the current flowing through the contact or detect the voltage of the contact. Be informed that the electronic device needs to communicate.
  • the above technical solution solves the problem that the electronic device cannot initiate active communication during the charging process.
  • the charging box further includes a switch module, and the communication channel and the charging channel are connected to and/or disconnected from the contact through the switch module.
  • the switch module is a MOS tube, a triode, a thyristor, or an integrated circuit that implements a switching function.
  • the detection module includes at least three ends, wherein: the first end and the second end of the at least three ends and the second position on the charging channel and The third position is electrically connected to obtain the current or voltage change between the second position and the third position; the third end of the at least three ends is electrically connected to the processor, and is used to The processor sends the detection result of the detection module.
  • the detection module includes at least three terminals, wherein: a first terminal of the at least three terminals is electrically connected to a fourth position on the charging channel for The voltage at the fourth position is detected; the second terminal of the at least three terminals is electrically connected to a reference voltage; the third terminal of the at least three terminals is electrically connected to the processor for connecting the detection module The result of the detection is sent to the processor.
  • the detection module includes a comparator, an operational amplifier, an integrated circuit with a function of amplifying current or voltage, or an integrated circuit with a function of detecting current or voltage.
  • a charging control method including: an electronic device receives a charging signal from a charging box through a first charging channel, and the first charging channel and the first communication channel communicate with each other through a first contact on the electronic device.
  • the charging box is electrically connected; when the electronic device needs to communicate with the charging box through the first communication channel, the electronic device changes the current flowing through the first contact or changes the first contact Point voltage; the charging box detects the current flowing through the second contact or detects the voltage of the second contact, and the second charging channel and the second communication channel are electrically connected to the electronic device through the second contact;
  • the charging box switches from the second charging channel to the second communication channel according to the detected current or voltage; the electronic device switches from the first charging channel to the first communication channel;
  • the electronic device communicates with the charging box through the first communication channel and the second communication channel.
  • the electronic device changing the current flowing through the first contact or changing the voltage of the first contact includes: A current branch is added to a charging channel to change the current flowing through the first contact.
  • the electronic device changing the current flowing through the first contact or changing the voltage of the first contact includes: the electronic device The battery of the device obtains voltage and applies it to the first contact to change the voltage of the first contact.
  • the charging box detecting the current flowing through the second contact or detecting the voltage of the second contact includes: the charging box detecting the second charging The current or voltage change between the second position and the third position on the channel.
  • the charging box detecting the current flowing through the second contact or detecting the voltage of the second contact includes: the charging box detecting the second charging The voltage at the fourth position on the channel; the charging box compares the voltage at the fourth position with a reference voltage to obtain a comparison result.
  • the electronic device is a wireless headset.
  • a charging control method comprising: receiving a charging signal from a charging box through a contact; changing the current flowing through the contact or changing the voltage of the contact; switching from a charging channel to communication Channel, the electronic device communicates with the charging box.
  • the method includes: receiving a charging signal from a charging box through a charging channel, and the charging channel and the communication channel are electrically connected to the charging box through contacts; When the communication channel communicates with the charging box, the current flowing through the contact is changed or the voltage of the contact is changed; the charging channel is switched to the communication channel, and the electronic device communicates with the charging box.
  • the changing the current flowing through the contact or changing the voltage of the contact includes: adding a current branch from the charging channel to change the current flowing through the contact.
  • the current of the contact includes: adding a current branch from the charging channel to change the current flowing through the contact. The current of the contact.
  • the changing the current flowing through the contact or changing the voltage of the contact includes: obtaining a voltage from a battery of the electronic device and applying it to all At the contact point, to change the voltage of the contact point.
  • the electronic device is a wireless headset.
  • a charging control method includes: transmitting a charging signal to an electronic device through a contact; detecting the current flowing through the contact or detecting the voltage of the contact; During the charging process of the electronic device, according to the detected current or voltage, the charging channel is switched to the communication channel, and the charging box communicates with the electronic device.
  • the method includes: transmitting a charging signal to an electronic device through a charging channel, and the charging channel and the communication channel are electrically connected to the charging box through contacts; and detecting flow The current of the contact or the voltage of the detection of the contact; in the process of charging the electronic device by the charging box, according to the detected current or voltage, the charging channel is switched to the communication channel, and the charging box is connected to the communication channel.
  • the electronic device communicates.
  • the detecting the current flowing through the contact or detecting the voltage of the contact includes: detecting one of the second position and the third position on the charging channel The current or voltage changes between time.
  • the detecting the current flowing through the contact or detecting the voltage of the contact includes: detecting the voltage at the fourth position on the charging channel; The voltage at the fourth position is compared with the reference voltage, and the comparison result is obtained.
  • a computer-readable storage medium is provided, and a computer program is stored in the computer-readable storage medium.
  • the computer program can execute the fourth aspect to the sixth aspect. Or the method described in any one of the possible implementation manners of the fourth aspect to the sixth aspect.
  • a computer program product containing instructions is provided.
  • the computer program product When the computer program product is run on a computer, the computer can execute any one of the foregoing fourth to sixth aspects or the fourth to sixth aspects. The method described in the implementation mode.
  • Figure 1 is a schematic structural diagram of an electronic device charging system
  • FIG. 2 is a schematic structural diagram of the electronic device of FIG. 1;
  • Figure 3 is a schematic structural diagram of an electronic device placed in a charging box
  • FIG. 4 is a schematic circuit diagram of the charging process and the communication process of the electronic device charging system
  • Fig. 5 is a schematic circuit diagram of multiplexing charging contacts and communication contacts in an electronic device charging system
  • FIG. 6 is a schematic structural diagram of an electronic device charging system provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a charging path of an electronic device charging system provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of a communication path of an electronic device charging system provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of yet another electronic device charging system provided by an embodiment of the present application.
  • 15 is a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • 16 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • FIG. 18 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • 20 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • FIG. 21 is a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • Fig. 1 shows a schematic structural diagram of an electronic device charging system.
  • the electronic device in the embodiment of the present application may be a wearable device such as earphone (also called headset, head-set, earpiece), watch, bracelet, and glasses.
  • the earphones include neck-mounted earphones hanging on the head and neck, headphones, in-ear earphones, semi-in-ear earphones, semi-open bluetooth earphones, open bluetooth earphones, single ear bluetooth earphones, binaural bluetooth earphones, True wireless Bluetooth headset, Bluetooth headset with wire, or wired dual-use headset, etc.
  • Watches (or bracelets) include watches (or bracelets) that display time, watches (or bracelets) with exercise and health detection functions, smart watches (or bracelets), or other types of smart watches (or bracelets), etc. .
  • Glasses include augmented reality (AR) glasses, virtual reality (VR) glasses, mixed reality (MR) glasses, etc.
  • AR augmented reality
  • VR virtual reality
  • MR mixed reality
  • the electronic device in the embodiment of the present application is described as an example of a wireless headset, but it should be understood that the electronic device in the embodiment of the present application is not limited to this, and may also be other electronic devices such as wearable devices.
  • the terms “upper”, “lower”, “front”, “rear”, “bottom”, “top”, “inner”, “outer”, etc. indicate the orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply the specific orientation that the device or component referred to must have, or structure and structure in a specific orientation. Operation, therefore cannot be understood as a limitation of this application.
  • the terms “first”, “second”, “third”, etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
  • an electronic device charging system 100 includes an earphone 1 and a charging box 2.
  • the charging box 2 is used to charge the earphone 1 to increase the battery life of the earphone 1.
  • the earphone 1 can be understood as a conversion unit for receiving electrical signals from a media player or receiver, and using a speaker close to the ear to convert it into audible sound waves.
  • the earphone 1 is a wireless earphone, which can use wireless communication technology (such as Bluetooth technology, infrared radio frequency technology, 2.4G wireless technology, ultrasonic, etc.) and wireless communication equipment 200 such as smart phones, personal digital assistants, PDAs, etc. ) Computers, tablet computers, laptop computers, etc. communicate.
  • the earphone 1 may include a single earphone or two earphones.
  • the earphone 1 placed in the charging box 2 shown in FIG. 1 includes a left earphone 11 and a right earphone 12.
  • the left channel can be played through the left earphone 11, and the right earphone 12 can be used to play the right channel.
  • Sound channel so as to achieve stereo.
  • the left earphone 11 and the right earphone 12 can also be used regardless of the channel, so that when the left earphone 11 is used alone, the right earphone 12 is used alone, or the left earphone 11 and the right earphone 12 are used at the same time, monophonic sound quality is achieved. .
  • the structure of the left earphone 11 and the right earphone 12 are basically the same.
  • the slight difference is that the left earphone 11 and the right earphone 12 can have a master earphone and a slave earphone.
  • the master earphone can be connected to a wireless communication device such as a mobile terminal 200 and From the headset. That is to say, when the left earphone 11 and the right earphone 12 are used at the same time, the wireless communication device (also called a transmitting device, such as a mobile phone, a tablet, a music player with Bluetooth output, etc.) wirelessly connects to the main earphone, and then the main earphone Through Bluetooth wireless connection to the headset, you can achieve true Bluetooth left and right channel wireless separation.
  • both the left earphone 11 and the right earphone 12 may also be connected to the wireless communication device 200, so that the wireless communication device 200 can send audio signals to the left earphone 11 and the right earphone 12, respectively.
  • FIG. 2 shows a schematic structural diagram of an earphone.
  • the left earphone 11 includes a housing 111 and components contained in the housing 111.
  • the components include a battery 113, at least one processing module/chip 114, a circuit board and a speaker (not shown in the figure). )Wait.
  • the left earphone 11 also includes at least two first contacts 112, of which at least one first contact 112 is electrically connected to the positive electrode of the battery 113 of the earphone, and at least one first contact 112 is electrically connected to the negative electrode of the battery 113 of the earphone.
  • the embodiment of the present application takes the left earphone 11 including two contacts as an example for description, but the embodiment of the present application is not limited to this. It should be understood that the figure only schematically shows the positions of the components inside the housing 111, and does not impose any limitation on the embodiment of the present application.
  • the charging box 2 includes a charging box main body 21 and a charging box cover 22, and the charging box main body 21 and the charging box cover 22 can be rotatably connected.
  • the charging box main body 21 may be provided with an accommodation space to accommodate the earphone 1, and the charging case cover 22 is used to cover the accommodation space on the charging case main body 21. In this way, the charging box 2 can not only realize the charging function, but also have the storage function. In some other embodiments, the charging box 2 may also be used only for charging the earphone 1 and not for storing the earphone 1.
  • the charging box 2 is provided with a battery for charging the earphone 1 (not shown in the figure), so the charging box main body 21 is provided with a charging interface 211 for charging the battery of the charging box.
  • the charging box main body 21 may also be provided with a charging box integrated button 212 and an indicator light 213, wherein the charging box integrated button 212 is used to pair the left earphone 11 and the right earphone 12 or restore factory settings.
  • the charging box integrated button 212 can also be used to notify the headset 1 of the power of the charging box 2.
  • the indicator light 213 is used to indicate the charging status and power level of the earphone 1 and/or the charging box 2. It should be understood that the embodiments of the present application only exemplarily show the shape of the charging box for charging the earphones. For other electronic devices such as bracelets, watches, glasses, etc., it can be designed according to the specific shape of the electronic device and the function of the charging box.
  • the charging boxes of corresponding shapes are not listed one by one in the embodiments of this application.
  • Fig. 3 shows a schematic structural diagram of an electronic device such as an earphone placed in a charging box.
  • the charging box 2 also includes two second contacts 211 electrically connected to the two first contacts 112, one of the second contacts The point 211 is electrically connected to the positive electrode of the battery of the charging box 2, and the other second contact 211 is electrically connected to the negative electrode of the battery of the charging box 2.
  • the two first contacts 112 on the earphone and the two second contacts 211 on the charging box have a corresponding electrical connection relationship, so as to ensure that the charging box can charge the earphone.
  • the charging process can start.
  • the earphone 1 can be put into the charging box 2 for charging. In this way, it can be ensured that the earphone 1 is charged or fully charged every time it is taken out and used, and the long battery life can be achieved through the large battery of the charging box 2.
  • the charging box 2 can also function as earphone storage to prevent users from This small device was accidentally lost due to improper storage.
  • the charging box 2 charges the earphone 1, the charging box 2 needs some basic charging management modules.
  • the charging box 2 can also notify the earphone 1 of its own power, and then the earphone 1 reports it to the wireless communication device 200.
  • the power information of the headset 1 and/or the charging box 2 can be displayed in the status bar of the wireless communication device 200.
  • the negative screen or the status bar displays the charging status and power information of the earphone 1 and the charging box 2 to facilitate the user to view.
  • the processor of the charging box may need to be upgraded, and the data required for upgrading the charging box may need to be sent to the charging box through earphones.
  • the earphone 1 and the wireless communication device 200 are in a connected state, and the earphone 1 can report the power of the earphone 1 and the power of the charging box 2 to the wireless communication device 200.
  • the wireless communication device 200 may display power information on the display interface 201 of the wireless communication device 200, for example, a negative screen.
  • the display interface 201 of the wireless communication device 200 can display the power and the charging status of the left earphone 11 and/or the right earphone 12, and the power and the charging status of the charging box 2, and so on.
  • the wireless communication device 200 may also display all or part of the foregoing on the application program or the status bar of the wireless communication device 200. Similar content will not be detailed here. All in all, there is not only a charging process but also a communication process between the headset 1 and the charging box 2.
  • the earphone 1 and the charging box 2 in the electronic device charging system 100 are contacted to form an electrical connection through contacts, so that the charging box can charge the earphones.
  • the contacts used for charging are physical contacts, which can be called “charging contacts”, and the charging contacts can be in the form of pins (PIN) shown in FIG. 2 or in the form of shrapnel shown in FIG. 3, for example.
  • the headset 1 and the charging box 2 in the electronic device charging system can also interact with information through contacts, and the contacts used for communication can be called “communication contacts”. This kind of information interaction between the earphone 1 and the charging box 1 is in physical contact, so the contacts can also be in the form of pins or shrapnel.
  • the way of information interaction between the earphone 1 and the charging box 2 through physical contacts can also be understood as a wired communication way.
  • FIG. 4 shows a schematic circuit diagram of the charging process and the communication process of the electronic device charging system.
  • the electronic device 300 includes a first battery 301 and a first charging module 302 electrically connected to the first battery 301
  • the charging box 400 includes a second battery 401 and a second charging module electrically connected to the second battery. 402.
  • the first battery 301 and the first charging module 302 in the electronic device 300 are connected to the second charging module 402 and the second charging module 402 in the charging box 400 through the charging contacts 501 (including the charging contacts of the electronic device 300 and the charging contacts of the charging box 400).
  • the second battery 401 is electrically connected to form a charging path between the electronic device 300 and the charging box 400.
  • the first charging module 302 and the second charging module 402 are used for charging management of the charging process between the electronic device 300 and the charging box 400.
  • the electronic device 300 further includes a first processor 303 and a first communication module 304 electrically connected to the first processor 303
  • the charging box 400 includes a second processor 403 and a second communication module 404 electrically connected to the second processor 403 .
  • the first processor 303 and the first communication module 304 of the electronic device 300 communicate with the second communication module 404 and the second communication module 404 of the charging box 400 through the communication contacts 502 (including the communication contacts of the electronic device 300 and the communication contacts of the charging box 400).
  • the second processor 403 is electrically connected to form a communication path between the electronic device 300 and the charging box 400.
  • the first communication module 304 and the second communication module 404 are used for communication management of the communication process between the electronic device 300 and the charging box 400.
  • the first communication module 304 and the second communication module 404 are wired communication modules or communication chips.
  • the first communication module 304 may be an independent chip or module, or may be integrated in the first processor 303.
  • the second communication module 404 may be an independent chip or module, or may be integrated in the second processor 403. The embodiments of this application do not make limitations.
  • the charging contact 501 shown in FIG. 4 in the embodiment of the present application can be understood as including the charging contact of the electronic device 300 and the charging contact of the charging box 400
  • the communication contact 502 can be understood as including the communication contact of the electronic device 300 and The communication contact of the charging box 400. It is understandable that the charging contact 501 and the communication contact 502 may be the same contact, for example, one contact serves as both a charging contact and a communication contact.
  • the charging contact 501 and the communication contact 502 may also be two different contacts, for example, one as a charging contact and the other as a communication contact.
  • the charging contacts used in the charging process between the electronic device 300 and the charging box 400 and the communication contacts used in the communication process may be different contacts.
  • the electronic device 300 is placed on the electronic device 300.
  • Many contact contacts are difficult, so it is generally possible to reuse the contacts for charging and the contacts for communication, that is, to reuse the charging contacts and the communication contacts, that is, the electronic device 300 can be realized through the same contact.
  • the charging process and communication process with the charging box 400 There are two main ways to reuse the same contact to realize the charging process and the communication process between the electronic device 300 and the charging box 400.
  • One is to modulate the communication signal on the charging signal through a processor, such as a modulation chip, or demodulate the communication signal from the charging signal through a modulation chip, so that communication can be realized while charging.
  • the other is to switch between the charging process and the communication process through a switch, that is, when charging, the switch is switched to the charging channel, and when communicating, the switch is switched to the communication channel.
  • the contact can be used for charging or Used for communication.
  • Fig. 5 shows a schematic circuit diagram of reusing the same contact point to realize charging and communication in an electronic device charging system.
  • the electronic device 300 includes a first battery 301, a first charging module 302 electrically connected to the first battery 301, a first processor 303, and a first communication module 304 electrically connected to the first processor 303.
  • the electronic device 300 further includes a first switch module 305.
  • the first switch module 305 includes three ports, wherein the first port 305-1 and the second port 305-2 are electrically connected to the first charging module 302 and the first communication module 304, respectively.
  • the third port 305-3 is electrically connected to the contact of the electronic device 300.
  • the charging box 400 includes a second battery 401, a second charging module 402 electrically connected to the second battery 401, a second processor 403, and a second communication module 404 electrically connected to the second processor 403.
  • the charging box 400 also includes a second switch module 405, and the second switch module 405 includes three ports.
  • the first port 405-1 and the second port 405-2 are electrically connected to the second charging module 402 and the second communication module 404, respectively.
  • the third port 405-3 is electrically connected to the contact of the charging box 400.
  • the third port 305-3 of the first switch module 305 included in the electronic device 300 passes through the contact 501 (the contact 501 includes the contact of the electronic device 300 and the charging The contact of the box 400) is electrically connected to the third port 405-3 of the second switch module 405 included in the charging box 400.
  • the third port 305-3 of the first switch module 305 is connected to the first port 305-1
  • the third port 405-3 of the second switch module 405 is connected to the first port 405-1.
  • the second battery 401, the second charging module 402, the second switch module 405, the contact 501, the first switch module 305, the first charging module 302, and the first battery 301 form the connection between the electronic device 300 and the charging box 400 Charging path.
  • the part of the charging path on the electronic device 300 constitutes the charging channel of the electronic device 300
  • the part on the charging box 400 constitutes the charging channel of the charging point box 400.
  • the second processing The device 403, the second communication module 404, the second switch module 405, the contacts 501, the first switch module 305, the first communication module 304, and the first processor 303 form a communication path between the electronic device 300 and the charging box 400.
  • the part of the communication channel on the electronic device 300 constitutes the communication channel of the electronic device 300
  • the part on the charging box 400 constitutes the communication channel of the charging point box 400.
  • the first switch module 305 can be used to switch the charging channel and the communication channel of the electronic device 300.
  • the second switch module 405 can be used to switch the charging channel and the communication channel of the charging box 400.
  • the method of switching the charging channel and the communication channel through the switch cannot transmit the charging signal and the communication signal at the same time, that is, the charging process and the communication process cannot be performed at the same time.
  • the electronic device 300 and the charging box 400 can communicate in real time for information exchange.
  • the electronic device 300 and the charging box 400 agree on a communication protocol and time slot, and both the electronic device 300 and the charging box 400 can actively initiate communication at any time. If the communication is completed or you want to switch to the charging process, either of the electronic device 300 and the charging box 400 can actively initiate communication to notify the other party to switch from the communication channel to the charging channel.
  • the charging channel 1 when the first port 305-1 is connected to the third port 305-3, the charging channel 1 is electrically connected to the first contact 307 through the first switch module 305; when the first port 305-1 is connected to the third port 305-3 When disconnected, the charging channel 1 is disconnected from the first contact 307 through the first switch module 305.
  • the charging channel 1 of the electronic device 300 may be used to receive a charging signal from the charging box 400, for example, the charging signal is a voltage greater than 3V, to charge the electronic device 300.
  • the electrical connection between the device “A” and the device “B” in the embodiments of the present application includes the direct electrical connection between the device “A” and the device “B”, that is, the device “A” and the device “B” are in an adjacent electrical connection relationship. ; It also includes the indirect electrical connection between device “A” and device “B”, that is, other components can be electrically connected between device “A” and device “B”, and device “A” is through some intermediate components and devices “B” is electrically connected. Optionally, other components may be electrically connected between the first battery 301 and the first switch module 305.
  • the electrical connection path between the first processor 303, the second port 305-2 of the first switch module, the third port 305-3 of the first switch module, and the first contact 307 forms a communication channel 2 of the electronic device 300 .
  • the communication channel 2 is electrically connected to the charging box through the first contact 307.
  • the communication channel on the side of the electronic device is represented as the first communication channel.
  • the communication channel 2 of the electronic device 300 can be used to communicate with the charging box 400.
  • other components may be electrically connected between the first processor 303 and the first switch module 305.
  • the first switch module 305 is used to switch the charging channel 1 and the communication channel 2 of the electronic device 300, that is, the charging channel 1 and the communication channel 2 are connected to and/or disconnected from the first contact 307 through the first switch module 305.
  • the first processor 303 is electrically connected to the first switch module 305 to form a control channel 3, and the first processor 303 can control the conduction of the first port 305-1 and the third port 305-3 through the control channel 3 (
  • the first processor 303 inputs a control signal to the first switch module 305), the charging channel 1 of the electronic device 300 is turned on (correspondingly, the second port 305-2 is disconnected from the third port 305-3, that is, the electronic device 300 The communication channel 2 is disconnected), or the second port 305-2 and the third port 305-3 are controlled to be connected, that is, the communication channel 2 of the electronic device 300 is connected (correspondingly, the first port 305-1 and the third port 305- 3 Disconnect, that is, the charging channel 1 of the electronic device 300 is disconnected).
  • the charging channel 1 and the communication channel 2 of the electronic device 300 are electrically connected to the charging box 400 through the same contact (for example, the first contact 307), and the charging channel 1 and the communication channel 2 of the electronic device 300 are connected to each other through the first switch module 305.
  • the first contact 307 is connected and disconnected, wherein the first switch module 305 can be used to switch the charging channel 1 and the communication channel 2 of the electronic device 300. That is to say, by controlling the first switch module 305, the charging channel 1 of the electronic device 300 can be connected (or called on), and the communication channel 2 of the electronic device 300 can be disconnected, or the charging channel 1 of the electronic device 300 can be disconnected.
  • the communication channel 2 of the device 300 is connected (or called on).
  • the charging box 400 includes a second battery 401, a second processor 404, a second switch module 405, a detection module 406 and a second contact 407.
  • the second switch module 405 includes a first port 405-1 electrically connected to the second battery 401, a second port 405-2 electrically connected to the second processor 403, and a third port 405 electrically connected to the second contact 407 -3.
  • the electrical connection path between the second battery 401, the first port 405-1 of the second switch module, the third port 405-3 of the second switch module, and the second contact 407 forms a charging channel 5 of the charging box 400.
  • the charging channel 5 is electrically connected to the electronic device through the second contact 407.
  • the charging channel 5 on the side of the charging box is denoted as the second charging channel.
  • the charging channel 5 is electrically connected to the second contact 407 through the second switch module 405; when the first port 405-1 is connected to the third port 405-3 When disconnected, the charging channel 5 is disconnected from the second contact 407 through the second switch module 405.
  • the charging channel 5 of the charging box 400 is used to transmit a charging signal to the electronic device 300 to charge the electronic device 300.
  • other components may be electrically connected between the second battery 401 and the second switch module 405.
  • the electrical connection path between the second processor 403, the second port 405-2 of the second switch module, the third port 405-3 of the second switch module, and the second contact 407 forms the communication channel of the charging box 400 6 .
  • the communication channel 6 is electrically connected to the electronic device through the second contact 407.
  • the communication channel 6 on the side of the charging box is represented as the second communication channel.
  • the communication channel 6 of the charging box 400 can be used to communicate with the electronic device 300.
  • other components may be electrically connected between the second processor 403 and the second switch module 405.
  • the second switch module 405 is used to switch the charging channel 5 and the communication channel 6 of the charging box 400, that is, the charging channel 5 and the communication channel 6 are connected to and/or disconnected from the second contact 407 through the second switch module 405.
  • the second processor 403 is electrically connected to the second switch module 405 to form a control channel 7, and the second processor 403 can control the conduction of the first port 405-1 and the third port 405-3 through the control channel 7 (
  • the second processor 403 inputs a control signal to the second switch module 405 through the control channel 7), for example, the charging channel 5 of the charging box 400 is turned on (correspondingly, the second port 405-2 is disconnected from the third port 405-3, That is, the communication channel 6 of the charging box 400 is disconnected), or the second port 405-2 and the third port 405-3 are controlled to be turned on, and the communication channel 6 of the charging box 400 is turned on (correspondingly, the first port 405-1 and the third port 405-3 are turned on).
  • the three port 405-3 is disconnected, that
  • the charging channel 5 and the communication channel 6 of the charging box 400 are electrically connected to the electronic device 300 through the same contact (for example, the second contact 407), and the charging channel 5 and the communication channel 6 of the charging box 400 are connected to each other through the second switch module 405.
  • the second contact 407 is connected and disconnected, and the second switch module 405 is used to switch the charging channel 5 and the communication channel 6 of the charging box 400. That is, by controlling the second switch module 405, the charging channel 5 of the charging box 400 can be connected (or called on), and the communication channel 6 of the charging box 400 can be disconnected, or the charging channel 5 of the charging box 400 can be disconnected.
  • the communication channel 6 of the 400 is connected (or called on).
  • One end of the notification module 306 of the electronic device 300 is electrically connected to the first processor 303, and one end is electrically connected to the first contact 307.
  • the first processor 303 forms the electronic device 300 through the notification module 306 and the first contact 307.
  • One end of the detection module 406 of the charging box 400 is electrically connected to the second processor 403, and one end is electrically connected to the second contact 407.
  • the second processor 403 forms the charging box 400 through the detection module 406 and the second contact 407. Detection channel 8.
  • the charging box 400 When the charging box 400 charges the electronic device 300, the first contact 307 of the electronic device 300 contacts the second contact 407 of the charging box 400 to form an electrical connection, the charging channel 1 of the electronic device 300 and the charging channel 5 of the charging box 400 When turned on, the second battery 401 of the charging box 400 can charge the first battery 301 of the electronic device 300.
  • the notification module 306 of the electronic device 300 may send a notification signal to the charging box 400 to notify the charging box 400 to communicate with the electronic device 300.
  • the detection module 406 of the charging box 400 can detect the notification signal sent by the electronic device 300 for notifying the charging box 400 to communicate with the electronic device 300.
  • the first contact 307 in the embodiment of the present application includes a first positive electrode and a first negative electrode.
  • the first positive electrode is used to electrically connect to the positive electrode of the first battery on the electronic device side, and the first negative electrode is used to connect to the first battery.
  • the negative pole is electrically connected.
  • the second contact 407 includes a second positive electrode and a second negative electrode, wherein the second positive electrode is used for electrical connection with the positive electrode of the second battery on the charging box side, and the second negative electrode is used for electrical connection with the negative electrode of the second battery.
  • the first contact 307 of the electronic device 300 when the first contact 307 of the electronic device 300 is in contact with the second contact 407 of the charging box 400 to form an electrical connection, it should be the first positive electrode and the first negative electrode of the first contact 307 and the second contact 407 of the second contact 407.
  • the two positive electrodes and the second negative electrodes are in corresponding contact to form an electrical connection.
  • the first positive electrode of the first contact 307 is in contact with the second positive electrode of the second contact 407 to form an electrical connection
  • the first negative electrode of the first contact 307 is in contact with the second negative electrode of the second contact 407 to form an electrical connection.
  • the electronic device may actively initiate communication when charging.
  • the electronic device needs to report the power information of the charging box to a wireless communication device such as a mobile terminal.
  • the electronic device can initiate active communication, and then obtain information such as the power level and charging status of the charging box from the charging box, and then report it to the wireless communication device.
  • the electronic device can detect that it is inserted into the box (for example, the electronic device is put into the charging box), and can initiate active communication with the charging box.
  • the electronic device can initiate active communication.
  • the user may notify the electronic device to upgrade the charging box through the wireless communication device, and then the electronic device initiates communication with the charging box.
  • the electronic device needs to initiate active communication to inform that the charging box has been upgraded.
  • the electronic device is upgraded, it is difficult to keep the electronic device and the charging box in communication with the refresh of the internal operating system.
  • the electronic device can initiate a communication to inform the charging box that the upgrade is complete.
  • the electronic device actively initiates communication can be understood as the electronic device to interact with the charging box information.
  • the notification module 306 may receive a control signal sent by the first processor 303 to send a notification signal to the charging box 400.
  • the notification module sending the notification signal to the charging box may be displayed or implicitly sent.
  • the notification module can directly send a displayed notification signal to the charging box to notify the charging box to communicate.
  • the notification module may send a notification signal implicitly.
  • the notification module changes the characteristics of the charging circuit between the electronic device and the charging box. Accordingly, the detection module detects the change in the characteristics of the charging circuit, which can also be considered as The notification module sent a notification signal.
  • the first switch module 305 and the second switch module 405 may be field effect transistors, triodes, thyristors, single-pole double-throw switches, double-pole double-throw switches, or integrated switch functions. Circuit etc.
  • the electronic device can send a notification signal to the charging box through the notification module to notify the charging box when the charging box is charging the electronic device.
  • the box communicates with the electronic device.
  • the charging box can detect the notification signal sent by the electronic device through the detection module, and can know that the electronic device wants to communicate, and the electronic device and the charging box can suspend the charging process and switch the charging channel to the communication channel to complete the communication between the two.
  • the technical solution in the embodiment of the present application may only be used in the electronic device.
  • initiate active communication When you don't need to communicate, you can always keep the charging process going, which can increase the charging speed, extend the battery life, and improve the real-time communication.
  • the notification module may be provided on the side of the charging box, and the detection module is provided on the side of the electronic device, so that the charging box can initiate active communication during the charging process.
  • the notification module and the detection module can be set on the electronic device side at the same time, and the notification module and the detection module can be set on the charging box side at the same time, so that both the electronic device and the charging box can initiate the charging process. Active communication.
  • the charging channel and the communication channel of the electronic device may be provided with other modules, respectively, and the charging channel and the communication channel of the charging box may also be provided with other modules, which are not limited in the embodiment of the present application.
  • FIG. 7 shows a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • the charging channel 1 of the electronic device 300 is also provided with a first charging module 302 for charging the first battery 301 Charge management in the process.
  • the first charging module 302 may be disposed between the first battery 301 and the first switch module 305, and the first charging module 302 is electrically connected to the first battery 301 and the first port 305-1 of the first switch module 305, respectively. connect.
  • the charging channel 1 of the electronic device 300 includes the first battery 301, the first charging module 302, and the first switch module 305 (including the first port 305-1 of the first switch module, and the third port 305- of the first switch module). 3) And the first contact 307.
  • whether the first port 305-1 of the first switch module and the third port 305-3 of the first switch module are turned on can affect whether the charging channel 1 is turned on.
  • the communication channel 2 of the electronic device 300 may also be provided with a first communication module 304 for implementing communication management during the communication between the electronic device 300 and the charging box 400.
  • the first communication module 304 is disposed between the first processor 303 and the first switch module 305, and the first communication module 304 is connected to the second port 305-2 of the first processor 303 and the first switch module 305, respectively. Electric connection.
  • the communication channel 2 of the electronic device 300 includes the first processor 303, the first communication module 304, and the first switch module 305 (including the second port 305-2 of the first switch module, and the third port 305 of the first switch module). -3) And the first contact 307.
  • whether the second port 305-2 of the first switch module and the third port 305-3 of the first switch module are turned on can affect whether the communication channel 2 is turned on.
  • the charging channel 5 of the charging box 400 is also provided with a second charging module 402 for realizing the charging management of the second battery 401 during the charging process.
  • the second charging module 402 is disposed between the second battery 401 and the second switch module 405, and the second charging module 402 is electrically connected to the first port 405-1 of the second battery 401 and the second switch module 405, respectively .
  • the charging channel 5 of the charging box 400 includes the second battery 401, the second charging module 402, and the second switch module 405 (including the first port 405-1 of the second switch module, and the third port 405- 3) And the second contact 407.
  • the communication channel 6 of the charging box 400 is also provided with a second communication module 404 for implementing communication management during the communication between the charging box 400 and the electronic device 300.
  • the second communication module 404 is disposed between the second processor 403 and the second switch module 405, and the second communication module 404 is connected to the second port 405-2 of the second processor 403 and the second switch module 405, respectively. Electric connection.
  • the communication channel 6 of the charging box 400 includes the second processor 403, the second communication module 404, and the second switch module 405 (including the second port 405-2 of the second switch module, and the third port 405 of the second switch module). -3) And the second contact 407.
  • whether the second port 405-2 of the second switch module and the third port 405-3 of the second switch module are turned on can affect whether the charging channel 5 is turned on.
  • the first communication module 304 and the second communication module 404 may be wired communication modules for wired communication between the electronic device 300 and the charging box 400.
  • the first communication module 304 and the second communication module 404 in the embodiment of the present application may be used as a separate module or chip in the electronic device 300 and the charging box 400, respectively.
  • the first communication module 304 may be integrated with other modules or processors, so that the integrated module or processor has the communication management function of the first communication module 304.
  • the second communication module 404 may also be integrated with other modules or processors. It is integrated with other modules or processors, so that the integrated module or processing has the communication management function of the second communication module 404.
  • FIG. 8 shows a schematic structural diagram of another electronic device charging system provided by an embodiment of the present application.
  • the first processor 303 in the electronic device 300 integrates the communication of the first communication module 304 shown in FIG. Function
  • the second processor 403 in the charging box 400 integrates the communication management function of the second communication module 404 shown in FIG. 7.
  • the integration of the communication module and the processor can reduce the number of components provided in the electronic device and the charging box, save space, and facilitate the miniaturization of the electronic device and the charging box.
  • the charging box 400 may further include a boosting module 408 for increasing the voltage on one side of the charging box so that the charging box 400 can The first battery 301 of the electronic device 300 is fully charged.
  • the boost module 408 can be arranged between the second charging module 402 and the second switch module 405 in the charging box 400, and the boost module 408 is electrically connected to the second charging module 402 and the first port 405-1 of the second switch module respectively. connect.
  • the charging channel 5 of the charging box 400 includes the second battery 401, the second charging module 402, the boosting module 408, and the second switch module 405 (including the first port 405-1 of the second switch module, and the second switch module.
  • the step-up module 408 is provided on the side of the charging box 400 because the voltage of the second battery 401 of the charging box 400 may be lower than the voltage that the first battery 301 of the electronic device 300 needs to be fully charged.
  • the charging voltage on one side of the box is higher than the fully charged voltage of the first battery 301, which can better charge the electronic device 300.
  • the boosting module 408 may also be disposed between the second battery 401 and the second charging module 402 of the charging box 400, and the boosting module 408 is electrically connected to the first battery 401 and the second charging module 402, respectively.
  • the boosting module 408 may also be arranged at adjacent positions of these intermediate components.
  • the boost module 408 in the embodiment of the present application can be connected in series to any position between the second battery 401 and the second contact 407 on the charging channel 5 of the charging box 400, as long as it is used to charge the electronic device. Just increase the voltage.
  • the device “A” and the device “B” are adjacent to each other in the embodiments of the present application, and it can be understood that the device “A” and the device “B” can be directly electrically connected.
  • the position relationship between the device “A” and the device “B” should be a positional relationship understood from the circuit connection relationship, that is, on the electrical connection circuit between the device “A” and the device “B”.
  • the boosting module 408 may also be integrated into the second charging module 402, or the second charging module 402 has its own boosting function.
  • the second charging module 402 in the charging box 400 integrates the boosting module shown in FIG.
  • the boost function of 408, that is, the second charging module 402 has its own boost function. In this way, the number of components provided in the charging box can be reduced, space is saved, and the miniaturization of the charging box is facilitated, or a larger space can be reserved for placing the battery of the charging box.
  • the notification module on the electronic device side sends notification signals to the charging box in multiple ways.
  • the notification module may send the above notification signal to the charging box by changing the current flowing through the contact between the electronic device and the charging box or changing the voltage of the contact between the electronic device and the charging box.
  • the detection module can detect the aforementioned notification signal by detecting a change in current flowing through the contact between the electronic device and the charging box or detecting a change in voltage of the contact between the electronic device and the charging box.
  • An embodiment of the present application provides an electronic device, which includes:
  • the first charging channel is used to receive a charging signal from the charging box to charge the electronic device.
  • the first communication channel is used to communicate with the charging box, and the first communication channel and the first charging channel are electrically connected to the charging box through a contact (such as the first contact mentioned above).
  • the notification module is used to change the current flowing through the first contact (such as the first contact 307 described above) or change the first contact (such as the first contact described above) under the control of the first processor.
  • One contact 307) voltage is used to change the current flowing through the first contact (such as the first contact 307 described above) or change the first contact (such as the first contact described above) under the control of the first processor.
  • One contact 307) voltage is used to change the current flowing through the first contact (such as the first contact 307 described above) or change the first contact (such as the first contact described above) under the control of the first processor.
  • One contact 307) voltage One contact 307) voltage.
  • the first processor is used for switching from the first charging channel to the first communication channel in the process of charging the electronic device by the charging box, and the electronic device communicates with the charging box.
  • an embodiment of the present application also provides a charging box, which includes:
  • the second charging channel is used to transmit a charging signal to the electronic device to charge the electronic device.
  • the second communication channel is used to communicate with the electronic device, and the second communication channel and the second charging channel are electrically connected with the electronic device through a contact (for example, the second contact mentioned above).
  • the detection module is used to detect the current flowing through the second contact (such as the second contact 407 described above) or the voltage of the second contact (such as the second contact 407 described above).
  • the second processor is used for switching from the second charging channel to the second communication channel according to the current or voltage detected by the detection module during the charging process of the electronic device by the charging box, and the charging box communicates with the electronic device.
  • an embodiment of the present application provides an electronic system, including an electronic device and a charging box.
  • the electronic device includes a first charging channel, a first communication channel, a first processor, a notification module, and a first contact;
  • the charging box includes a first Two charging channels, a second communication channel, a second processor, a detection module and a second contact.
  • the first charging channel is used to receive a charging signal from the charging box to charge the electronic device.
  • the first communication channel is used to communicate with the charging box.
  • the first communication channel and the first charging channel are electrically connected to the charging box through the first contact and the second contact.
  • the notification module is used for changing the current flowing through the first contact or changing the voltage of the first contact under the control of the first processor.
  • the detection module is used to detect the current flowing through the second contact or the voltage of the second contact.
  • the second processor is configured to switch from the second charging channel to the second communication channel according to the current or voltage detected by the detection module.
  • the first processor is configured to switch from the first charging channel to the first communication channel.
  • the electronic device communicates with the charging box through the first communication channel and the second communication channel.
  • the notification module on the electronic device side is a current load module (ie, Iload module), and the detection module on the charging box side is a current detection module (ie, Isense module).
  • the electronic device can change the current flowing through the contact between the electronic device and the charging box through the current load module to send a notification signal to the charging box, and the charging box detects the contact between the electronic device and the charging box through the current detection module.
  • the change in the current of the detection signal detects the notification signal, and learns that the electronic device wants to communicate.
  • the notification module in the electronic device 300 may adopt a current load module 306-1 for pulling current from the charging path.
  • the detection module adopts the current detection module 406-1, which is used to detect the change of the current on the charging path.
  • the current load module 306-1 is electrically connected to the first processor 303 and the first contact 307, and the current load module 306-1 can receive the control signal sent by the first processor 303, so that the current load module There is a current branch current or no branch current between the 306-1 and the first contact 307.
  • the current load module 306-1 includes at least three terminals, and a first terminal of the at least three terminals is electrically connected to the first processor 303 for receiving a control signal of the first processor.
  • the channel 4-1 formed between the first end and the first processor 303 is used by the first processor 303 to send a control signal to the current load module 306-1.
  • the second end of the at least three ends is electrically connected to a first position on the first charging channel (for example, the charging channel 1), such as the first contact 307, for drawing a current branch from the first charging channel. That is, the channel 4-2 formed between the second end and the first contact 307 is used to branch current from the charging path, that is, the channel 4-2 carries a current signal.
  • the third terminal of the at least three terminals may be grounded or connected to a reference point level (not shown in the figure), and used to discharge the current in the current branch in channel 4-2.
  • the current detection module 406-1 is disposed between the second contact 407 and the second switch module 405, and is connected to the second contact 407 and the second switch module 405 (specifically, the second switch module 405).
  • the third port 405-3) is electrically connected.
  • the current detection module 406-1 is also electrically connected to the second processor 403, and the detection result can be sent to the second processor 403, and the second processor 403 determines whether the electronic device wants to communicate, or the current detection module 406-1 can It is determined whether the electronic device wants to communicate, and the result of the communication is notified to the second processor 403. That is to say, the detection module of the charging box is used to detect the change of the current flowing through the contact.
  • the detection module can be connected in series between the second contact 407 and the second switch module 405, and one end of the detection module is electrically connected to the processor.
  • the current detection module 406-1 can also be arranged between any two devices on the charging path on one side of the charging box 400, that is, the current detection module 406-1 is connected in series in the charging channel 5 of the charging box 400.
  • the current detection module 406-1 includes at least three terminals, a first terminal of the three terminals is electrically connected to the second contact 407, and a second terminal of the three terminals is electrically connected to the second switch module 405 , The first terminal and the second terminal of the three terminals are used to detect current changes in the charging path; the third section of the three terminals is electrically connected to the second processor 403, and is used to connect the current detection module 406- The result of 1 detection is sent to the second processor 403.
  • the first terminal and the second terminal of the three terminals of the current detection module 406-1 can be electrically connected to any two points on the charging channel 5 of the charging box 400, which is not limited in the embodiment of the present application.
  • the charging box 400 can detect the change of the current load on the electronic device 300 side.
  • the current detection module 406-1 of the charging box 400 can detect The current has a large change.
  • the channel 4-2 formed between the current load module 306-1 and the first contact 307 and the charging channel 1 of the electronic device 300 are in a parallel relationship.
  • the current flowing through the first contact 307 is the current of the charging channel 1; when the current load module 306-1 is working, the current flowing through the first contact 307 is the charging channel 1
  • the sum of the current of and the current of the channel 4-2, that is, the current of the first contact 307 is the sum of the charging current and the current flowing through the current load module 306-1.
  • the current flowing through the first contact 307 of the electronic device 300 is the same as the current flowing through the second contact 407 of the charging box 400, and the current detection module 406-1 can directly detect the change of the current flowing through the second contact 407.
  • the second processor 403 receives the detection result sent by the current detection module 406-1, and can determine the electrical current according to the increased current.
  • the device 300 wants to initiate a communication.
  • the current detection module 406-1 detects that the current flowing through the second contact 407 increases, it has determined that the electronic device 300 wants to initiate communication, and the current detection module 406-1 can send an interrupt to the charging box 400
  • the second processor 403 of the device completes the notification of the electronic device 300 to the charging box 400.
  • the charging box 400 learns that the electronic device wants to communicate during the charging process, it can interrupt the current charging process and enter a high-impedance state until the electronic device 300 initiates communication. Or the electronic device 300 and the charging box 400 suspend the charging process according to a preset rule or negotiated time, and switch from the charging channel to the communication channel for communication.
  • the second end of the at least three terminals included in the current load module 306-1 can be electrically connected to the second contact 307, and can also be electrically connected to any position on the charging channel 1 of the electronic device 300, for example,
  • the first charging module 302 is electrically connected, is electrically connected to the first switch module 305, etc., as long as the current load module 306-1 can form a branch current from the charging channel 1 of the electronic device 300.
  • the current load module 306-1 in FIG. 10 may include a switching device, such as a metal oxide semiconductor (metal oxide semiconductor, MOS) field effect transistor (FET) (also referred to as a MOS transistor) , Transistors such as semiconductor transistors (also known as bipolar transistors), integrated circuits including field effect transistors and transistors, a type of switch, or an integrated circuit that implements a switching function.
  • a switching device such as a metal oxide semiconductor (metal oxide semiconductor, MOS) field effect transistor (FET) (also referred to as a MOS transistor)
  • FET metal oxide semiconductor
  • Transistors such as semiconductor transistors (also known as bipolar transistors)
  • integrated circuits including field effect transistors and transistors, a type of switch, or an integrated circuit that implements a switching function.
  • the current load module 306-1 is a switching device, which is mainly used for the current load module 306-1 to work when the electronic device wants to initiate active communication, which is equivalent to closing the switching device, and can be branched from the charging channel 1 of the electronic device 300 When the electronic device does not want to initiate active communication, the current load module does not work, which is equivalent to disconnecting the switch, so that the electronic device 300 and the charging box 400 can perform a normal charging process.
  • the current load module 306-1 may also include a resistor.
  • a resistor may be connected in series with a MOS tube, a transistor or a switch to protect the components from overloading the current.
  • the current detection module 406-1 in FIG. 10 may include at least one of a comparator, an operational amplifier, and an analog-to-digital converter.
  • the current detection module 406-1 may also include a resistor.
  • the current detection module 406-1 may include a resistor and a comparator, may include a resistor and an operational amplifier (may be referred to as an operational amplifier or an operational amplifier), or may include a resistor, an operational amplifier, and an analog-to-digital converter (analog- to-digital converter, ADC), etc.
  • the current detection module may also include an integrated circuit with a function of amplifying current or voltage, or an integrated circuit with a function of detecting current or voltage.
  • the current load module includes a MOS tube series resistance
  • the current detection module includes a resistor, an operational amplifier, and an analog-to-digital converter as an example for detailed description.
  • FIG. 11 shows a schematic structural diagram of yet another electronic device charging system provided by an embodiment of the present application.
  • the difference from FIG. 10 is that the current load module 306-1 and the current detection module 406-1 in the electronic device charging system shown in FIG. 11 show specific circuit structures.
  • the current load module 306-1 includes a MOS tube and a resistor.
  • MOS tube is a field effect transistor.
  • MOS tubes are usually used in amplifying circuits or switching circuits, also known as field effect tubes.
  • MOS transistors are divided into depletion MOS transistors and enhanced MOS transistors.
  • NMOS is more commonly used because of its low on-resistance and easy manufacturing.
  • the MOS tube includes a gate (gate, G), a source (source, S), and a drain (drain, D). The voltage of the gate relative to the source is Vgs.
  • the MOS tube has conduction characteristics, and the MOS tube controls the conduction of the D and S terminals through the level of the G terminal, just like a switch, which is equivalent to the switch being closed.
  • NMOS when Vgs is greater than a certain value, it will be turned on, which is suitable for the case where the source is grounded, so as long as the gate voltage reaches a certain value, such as 4V or 10V, the NMOS can be turned on. After the NMOS tube is turned on, the current direction is from the drain to the source.
  • Vgs is less than a certain value, it will be turned on, which is suitable for the situation when the source is connected to the supply voltage of the circuit (volt current condenser, VCC).
  • the embodiment of the present application takes the MOS transistor as an NMOS as an example for description.
  • the current load module 306-1 includes NMOS and a first resistor R1.
  • the gate G of the NMOS is electrically connected to the first processor 303.
  • the gate G of the NMOS is electrically connected to a general-purpose input/output (GPIO) of the first processor 303, so that the first processor 303 can control the gate G of the NMOS through the GPIO.
  • GPIO general-purpose input/output
  • the channel 4-1 formed between the first processor 303 and the gate G of the NMOS is used for the first processor 303 to send a control signal to the NMOS, and the channel 4-1 is a control signal channel.
  • the source S of the NMOS is grounded, and the drain D of the NMOS is electrically connected to the first resistor R1.
  • One end of the first resistor R1 is electrically connected to the drain of the NMOS, and the other end is electrically connected to the first contact 307.
  • the first resistor R1 is connected in series between the first contact 307 and the NMOS, and is mainly used to reduce the line current. Because the on-resistance of the NMOS is small, the first resistor R1 in series can function as a protection circuit.
  • the position where the current load module 306-1 is electrically connected to the charging channel 1 of the electronic device 300 is not limited to the first contact 307, and may also be any other position on the charging channel 1, such as the first switch module 305 and the first switch module 305. Any point between the charging modules 302, or any point between the first charging module 302 and the first battery 301, is not limited in the embodiment of the present application.
  • the current detection module 406-1 includes a second resistor R2, an operational amplifier (OPA), and an analog-to-digital converter ADC.
  • the second resistor R2 is arranged between the second contact 407 of the charging box 400 and the second switch module 405. One end of the second resistor R2 is electrically connected to the second contact 407, and the other end is connected to the third port of the second switch module. 405-3 is electrically connected.
  • the operational amplifier OPA has two input terminals and one output terminal. The input terminal marked with "+" is the non-inverting input terminal, and the input terminal marked with "-” is the inverting input terminal.
  • the signal output at the output terminal is in phase with the signal at the non-inverting input terminal and reversed from the signal at the inverting input terminal. .
  • the two ends of the second resistor R2 are electrically connected to the two input ends of the operational amplifier OPA, that is to say, the two input ends of the operational amplifier are electrically connected to both ends of the second resistor R2.
  • the second resistor R2 is used to convert current to voltage.
  • the output end of the operational amplifier OPA is electrically connected to the analog-to-digital converter ADC.
  • the analog-to-digital converter ADC is electrically connected to the second processor 403.
  • the second processor 403 can compare the obtained results with previous data to determine whether the electronic device 300 wants to initiate communication.
  • the first switch module 305 of the electronic device 300 and the second switch module 405 of the charging box 400 are single-pole double-throw switches as an example.
  • the electronic device 300 wants to initiate active communication during the charging process, the electronic device 300 and the charging The process of switching the box 400 from the charging channel to the communication channel will be described in detail.
  • the switch of the first switch module 305 is placed on the side of the communication channel 2 of the electronic device 300.
  • the first processor 303 is electrically connected to the first contact 307 through the first switch module 305
  • the switch of the second switch module 405 is placed on the second port 405 on the side of the communication channel 6 of the charging box 400
  • the second processor 403 is electrically connected to the second contact 407 through the second switch module 405.
  • the electronic device 300 When the electronic device 300 is placed in or on the charging box 400, the first contact 307 of the electronic device 300 contacts the second contact 407 of the charging box 400 to form an electrical connection. At this time, the electronic device 300 and the charging box 400 are in their respective communication channels, and a communication path is formed between the electronic device 300 and the charging box 400, and both the electronic device 300 and the charging box 400 can initiate active communication. After the communication between the electronic device 300 and the charging box 400 ends, the two can switch their respective switches to the charging channel at a negotiated time.
  • the first processor 303 of the electronic device 300 sends a control signal to the first switch module 305 through the control channel 3 to control the switch of the first switch module 305 to be placed on the first port 305 on the side of the charging channel 1 of the electronic device 300.
  • the first battery 301 is electrically connected to the first contact 307 through the first switch module 305.
  • the second processor 403 of the charging box 400 sends a control signal to the second switch module 405 through the control channel 7 to control the switch of the second switch module 405 to be placed at the first port on the side of the charging channel 5 of the charging box 400
  • the second battery 401 is electrically connected to the second contact 407 through the second switch module 405.
  • the electronic device 300 and the charging box 400 are in their respective charging channels, and a charging path is formed between the electronic device 300 and the charging box 400. If the charging link is opened on the side of the charging box 400, the charging box 400 can be an electronic device. 300 charging, the charging path refers to the link shown by the thick solid line in FIG. 12.
  • the switch of the first switch module 305 is placed on the side of the charging channel 1 of the electronic device 300.
  • the first battery 301 is electrically connected to the first contact 307 through the first switch module 305
  • the switch of the second switch module 405 is placed at the first port 405- on the side of the charging channel 5 of the charging box 400 1
  • the second battery 401 is electrically connected to the second contact 407 through the second switch module 405.
  • the electronic device 300 and the charging box 400 are in their respective charging channels, and a charging path is formed between the electronic device 300 and the charging box 400.
  • the charging box 400 can be an electronic device. 300 charge. Or if the charging link is not opened by default on the side of the charging box 400, the charging box 400 can also detect the electronic device entering or approaching the box through a sensor or the like, and then open the charging link to charge the electronic device 300.
  • the charging path refers to the link shown by the thick solid line in FIG. 12.
  • the initial state of the first switch module 305 of the electronic device 300 and the second switch module 405 of the charging box 400 may be initially negotiated or preset.
  • the electronic device 300 is in the charging process at this time, and the current flows through the second battery 401 on the side of the charging box 400-the second charging module 402-the second switch module 405-(the second resistor R2)-the second
  • the contact 407 then enters the first contact 307-the first switch module 305-the first charging module 302-the first battery 301 on the side of the electronic device.
  • the current detection module 406-1 uses the second resistor R2, so the current flows through the second resistor R2. If the current detection module 406-1 does not use the second resistor R2, then The current can flow directly from the second switch module 405 to the first contact 407.
  • the electronic device 300 can initiate communication after entering the box. For example, if the electronic device 300 needs to report the power of the charging box 400 to the wireless communication device, the electronic device 300 can initiate active communication after learning that it has entered the box (for example, the electronic device 300 detects the charging voltage). In this way, the electronic device 300 can know the power of the charging box 400, so that the power of the charging box 400 can be displayed on the wireless communication device (such as a mobile phone), for example, the power of the charging box 400 can be displayed on the status bar of the wireless communication device.
  • the wireless communication device such as a mobile phone
  • the electronic device 300 is being charged, and the voltage of the position VA where the current load module 306-1 is connected to the charging path is the same as the voltage of the first contact 307.
  • the MOS transistor of the electronic device 300 as an NMOS transistor as an example
  • the output level of the first processor 303 to the gate G of the NMOS transistor in the current load module 306-1 is relatively low, for example, 0V.
  • the voltage of the gate G is lower than the voltage of the source D, the NMOS transistor is cut off, and the current load module 306-1 has no effect on the charging path.
  • the voltage difference across the input stage of the operational amplifier in the current detection module 406-1 Basically unchanged or within the preset current conversion range.
  • the first processor 303 of the electronic device 300 may output a higher level, such as 5V, to the gate G of the NMOS transistor in the current load module 306-1.
  • a higher level such as 5V
  • the NMOS tube is turned on, and current flows from the drain S to the source S.
  • the current load module is equivalent to adding a load to the second battery 401 of the charging box 400.
  • the current on the charging path on the side of the charging box 400 will greatly increase.
  • the processor 403 can capture this voltage change (equivalent to a current change, because the voltage change output by the operational amplifier is caused by the current change in the current charging path), thereby recognizing that the electronic device 300 needs to interrupt the charging process and actively initiate communication .
  • VA is the position where the current load module 306-1 is electrically connected to the charging path as described above
  • VB and VC are the positions where the two input ends of the current detection module 406-1 are electrically connected to the charging path
  • VD is the current detection The location of the output of module 406-1. During the charging process, the current will go from VC to VB to VA.
  • the resistance of the second resistor R2 is 1 ohm (ohm), and the current flowing through the second resistor R2 is 30 milliamperes (mA) ( That is, 0.03A)
  • the voltage at point VB is 4.97V (calculated by 5V-(0.03A*1ohm))
  • the voltage at point VA is also 4.97V.
  • the resistance of the first resistor R1 is 10 ohm and the NMOS resistance is 0, when the G1 level is switched from 0V to 5V, a current of 49.7mA or 0.0497A (calculated by 4.97V/100ohm) will be generated on the NMOS.
  • This current will cause the current flowing through the first resistor R2 to surge from 30mA to 79.7mA (calculated by 30mA+49.7mA).
  • the gain of the operational amplifier in the current detection module 406-1 is 10 times, when the charging box 400 is charging the electronic device 300 normally, the voltage difference between the two ends of the operational amplifier input stage is 30mV (calculated by 30mA*1ohm), the operational amplifier It can be amplified to 300mV (calculated by 30mV*10).
  • the operational amplifier amplifies the voltage difference between the two ends of the input stage by 10 times, that is, the voltage of the output stage of the operational amplifier (that is, the voltage of VD) will increase from 300mV to 797mV.
  • the second processor 403 of the charging box 400 can capture the voltage change from 300mV to 797mV.
  • the second processor 403 can compare the data obtained from the current detection module with the previous The data or the last data or the preset value are compared, so that it can be recognized that the electronic device 300 needs to interrupt the charging process and initiate communication actively.
  • the second processor 403 of the battery box 400 can control the second battery 401 and the second charging module 402 of the charging box 400 to actively suspend charging, and then send a control signal to the second switch module 405 through the control channel 7 to control the second battery
  • the switch of the switch module 405 is placed on the second port 405-2 on the side of the communication channel 6 of the charging box 400, and the second processor 403 is electrically connected to the second contact 407 through the second switch module 405.
  • the second processor 403 switches the single-pole double-throw switch of the second switch module 405 to the communication channel 6 through the GPIO.
  • the first processor 303 of the electronic device 300 can send a control signal to the first switch module 305 through the control channel 3 within the previously negotiated time to control the switch of the first switch module 305 to be placed in the communication of the electronic device 300
  • the first processor 303 is electrically connected to the first contact 307 through the first switch module 305.
  • the first processor 303 switches the single-pole double-throw switch of the first switch module 305 to the communication channel 2 through GPIO.
  • FIG. 13 the solid thick line in the figure shows a schematic diagram of the communication path of the electronic device charging system in the communication process. After the electronic device 300 and the charging box 400 are both switched to the communication channel, normal data communication can be carried out between the electronic device 300 and the charging box 400.
  • the time for the electronic device 300 and the charging box 400 to switch from the charging channel to the communication channel can be in no order, and the electronic device 300 can switch to the communication channel by itself after sending a notification signal to the charging box 400.
  • the time for the electronic device 300 to switch the charging channel to the communication channel can be after the charging box 400 is switched, so as to avoid forcibly cutting off the charging path during the charging process and causing damage to the electronic device 300, and also to prevent the electronic device 300 from switching channels first.
  • the charging box 400 fails to switch, and the electronic device 300 is not aware of the problem of the charging box switching failure.
  • the setting of the second resistor R2 is mainly used to form a larger voltage difference between the two input terminals of the operational amplifier OPA.
  • the second resistor R2 can also be replaced with other components that can convert current into voltage.
  • the two input terminals of the operational amplifier OPA may be electrically connected to the two ends of any component on the charging channel 5 of the charging box 400, which is not limited in the embodiment of the present application.
  • the output of the operational amplifier in the embodiment of the present application is an analog signal, and the analog signal is converted into a digital signal after ADC conversion.
  • the digital signal form can more accurately represent the current change on the charging path.
  • the current load module 306-1 is not limited to include a MOS tube and the first resistor R1, and may also have other forms.
  • the current load module 306-1 shown in FIG. 11 to FIG. 13 may only include a MOS transistor and not include the first resistor R1. In this way, the drain of the MOS transistor is directly electrically connected to the first contact 307. Its working principle is the same as that described above, so I won't repeat it here.
  • the current load module 306-1 shown in FIG. 11 to FIG. 13 can also be replaced with a switch. As shown in FIG. 14, one end of the switch is grounded, and one end is electrically connected to the first contact 307. .
  • the first processor 303 sends a control signal to the switch through the control channel 4 to control the opening or closing of the switch.
  • the switch When the switch is closed, there is a branch current in the current load module 306-1 where the switch is located, which can increase the charging current on one side of the charging box 400, so that the current detection module 406-1 of the charging box 400 detects the increase in current. , That is, the value of the operational amplifier will increase.
  • the second processor 403 can recognize that the electronic device 300 wants to actively communicate by determining that the value of the operational amplifier increases. When the switch is turned on, the current load module 306-1 does not work, and the electronic device 300 and the charging box 400 can perform a normal charging process.
  • the current load module 306-1 may also include other types of switching devices, such as triodes, thyristors, etc., as long as the current load module 306-1 can be enabled when the electronic device wants to actively communicate. 1 work, and the current branch can be drawn from the charging circuit.
  • the position on the current load module 306-1 that is electrically connected to the charging channel is not limited to the first contact 307, that is, the embodiment of the present application is not limited to the current load module 306-1 is directly electrically connected to the first contact 307, and the current load module 306-1 is directly electrically connected to the first contact 307.
  • the load module 306-1 can also be electrically connected to any position on the charging channel 1 of the electronic device 300, so if the electronic device wants to initiate communication during the charging process, the current load module 306-1 can be connected to the charging channel 1 of the electronic device 300
  • the current can be drawn at any position of, so as to achieve the purpose of changing, for example, increasing the charging current supplied by the charging box 400.
  • the current detection module 406-1 is not limited to include an operational amplifier, an analog-to-digital converter, and the second resistor R2, and may also have other forms.
  • the current detection module 406-1 shown in FIG. 11 to FIG. 13 may also only include an operational amplifier and the second resistor R2, and does not include an analog-to-digital converter.
  • the second processor 403 may have the function of directly processing analog signals. For example, when the current load module 306-1 is not working, the output of the operational amplifier in the current detection module 406-1 is 1 millivolt (mV), that is, the second resistor R2 For the normal voltage drop at both ends, the second processor 403 can determine the corresponding digital logic to be "0" according to the output result of the operational amplifier. When the current load module 306-1 is working, the current in the charging path will change significantly.
  • mV millivolt
  • the operational amplifier output of the current detection module 406-1 is 1 volt (V)
  • the second processor 403 is based on the output of the operational amplifier. As a result, it can be determined that the corresponding digital logic is "1".
  • the second processor 403 can know that the value of the operational amplifier has changed significantly, thereby knowing that the electronic device wants to initiate communication.
  • the embodiments of the present application are not limited to this.
  • the current detection module 406-1 shown in FIG. 11 to FIG. 13 may also only include the analog-to-digital converter ADC and the second resistor R2, and does not include an operational amplifier. In this way, the analog-to-digital converter ADC can output the detected current change as a digital signal and send it to the second processor 403.
  • the position of the second resistor R2 is not limited to between the second switch module 405 and the second contact 407, the second resistor R2 can be arranged (or in series with) any position on the charging channel 5 of the charging box 400 As long as the charging current of the charging box 400 flows through the second resistor R2, the current detection module 406-1 detects the change of the charging current of the charging box 400.
  • the position where the current detection module 406-1 is electrically connected to the charging path is not limited to the position between the second switch module 405 and the second contact 407, and can be designed according to the position of the second resistor R2.
  • first resistor R1, the second resistor R2, or the resistors referred to below in the embodiments of the present application may be resistors or other resistive components that convert current into voltage.
  • the embodiments of this application do not make limitations.
  • the two input terminals of the operational amplifier in the current detection module 406-1 mentioned above can also be reversed, that is, the original non-inverting input terminal is replaced with a reverse input terminal, which is originally a reverse input terminal. Change the end to the same direction input end.
  • the difference from FIG. 13 is that in the current detection module 406-1 on the side of the charging box 400, the input stage of the operational amplifier is different.
  • the same direction input end of the operational amplifier in FIG. 13 is electrically connected to a position close to the second switch module 405, and its reverse input end is electrically connected to a position close to the second contact 407.
  • the current load module can be a separate module/chip, or it can be integrated with a processor or other modules/chips.
  • the current load module 306-1 shown in FIGS. 10 to 14 may also be integrated in the processor or chip of the electronic device.
  • the first charging module 302 of the electronic device 300 integrates the function of the current load module in FIG. With similar or the same function as the current load module in Figure 10.
  • the specific structure of the current load module shown in FIG. 11 to FIG. 14 may be integrated in the first charging module 302.
  • the first charging module 302 can control the internal switching devices such as MOS transistors to be turned on or the switch to be closed to increase the current on the charging path, so that the charging box 400 side
  • the current detection module 406-1 can detect the current change.
  • the first processor 303 of the electronic device 300 may integrate the functions of the current load module in FIG. 10, or the first processor 303 has functions similar to or the same as the current load module in FIG. 10 by itself.
  • the notification module on the electronic device side is the current load module (i.e. Iload module), and the detection module on the charging box side is the current detection module (i.e. Isense module) to realize sending notification signals to the charging box.
  • the current load module i.e. Iload module
  • the detection module on the charging box side is the current detection module (i.e. Isense module) to realize sending notification signals to the charging box.
  • the notification module is a current load module 306-1.
  • the notification module (ie, the current load module 306-1) includes at least three terminals. A first terminal of the at least three terminals is electrically connected to the first processor 303, and the first terminal is electrically connected to the first processor 303. The channel 4-1 formed therebetween is used by the first processor 303 to send a control signal to the current load module 306-1.
  • the second terminal of the at least three terminals is electrically connected to any position in the charging channel 1 on the side of the electronic device 300, and the channel 4-2 formed between the second terminal and any position in the charging channel 1 is used for slave
  • the branch current on the charging path that is, the current signal on channel 4-2.
  • the third terminal of the at least three terminals can be grounded or connected to a reference point level (not shown in the figure), and is mainly used to discharge the current in the channel 4-2.
  • the notification module includes a switching device.
  • the detection module when the detection module detects the notification signal sent by the electronic device by detecting the change in the current flowing through the contact between the electronic device 300 and the charging box 400, the detection module is the current detection module 406- 1.
  • the detection module ie, the current detection module 406-1 is connected in series between the second contact 407 and the second battery 401, and the detection module is electrically connected to the second processor 403.
  • the detection module ie, the current detection module 406-1) includes at least three terminals, and the first terminal and the second terminal of the at least three terminals are connected to the second charging channel (for example, the charging channel 5) of the charging box 400.
  • any two positions are electrically connected, and the first and second ends of the at least three ends are used to detect the current change on the charging channel 5 (that is, the current change through the contact ), which is used to obtain the current or voltage change between the second position and the third position.
  • the third end of the at least three ends is electrically connected to the second processor 403, and is used to send the detection result of the detection module (or the notification signal sent by the electronic device) to the second processor 403.
  • the detection module includes a current amplifying device or a voltage amplifying device.
  • the notification module on the electronic device side may be a current load module (ie, Iload module) or a boost module
  • the detection module on the charging box side may be a voltage detection module (ie, Vsense module).
  • the electronic device can change the voltage of the contact between the electronic device and the charging box through the current load module or the boost module to send a notification signal to the charging box, and the charging box detects the contact between the electronic device and the charging box through the voltage detection module
  • the change in the voltage of the detection signal detects the notification signal, and learns that the electronic device wants to communicate.
  • FIG. 16 shows a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • the detection module in the charging box 400 in FIG. 16 is a voltage detection module 406-2.
  • the voltage detection module 406-2 is electrically connected to the second contact 407 and the second processor 403, respectively.
  • the current load module 306-1 is electrically connected to the first processor 303 and the first contact 307, and the current load module 306-1 can receive the control signal sent by the first processor 303, so that the current load module There is a current branch current or no branch current between the 306-1 and the first contact 307.
  • the voltage detection module 406-2 is electrically connected to the second processor 403, and the detection result (or notification signal) can be sent to the second processor 403 for judgment by the second processor 403, or the voltage detection module 406 -2 can determine the detection result, and notify the second processor 403 of the result that the electronic device wants to communicate in a certain way.
  • the electronic device 300 when the electronic device 300 is drawing current, the voltage on the contact will change due to the impedance of the line, and the electronic device 300 can be detected by the charging box 400 through the change of the contact voltage.
  • the voltage detection module 406-2 of the charging box 400 can detect it. In this way, when the charging box 400 learns that the electronic device wants to communicate during the charging process, it can interrupt the current charging process and enter a high-impedance state until the electronic device 300 initiates communication. Or the electronic device 300 and the charging box 400 suspend the charging process according to a preset rule or negotiated time, and switch from the charging channel to the communication channel for communication.
  • FIG. 17 shows a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • the electronic device 300 in FIG. 17 adopts a boosting module 306-2 to change the voltage of the contact between the electronic device 300 and the charging box 400.
  • the boosting module 306-2 is electrically connected to the first battery 301 and the first contact 307, and the boosting module 306-2 can obtain the voltage from the first battery 301 and perform a boosting process to increase the voltage.
  • the voltage is applied to the first contact 307. Therefore, the first battery 301 is used to carry a current signal through the channel 4-3 formed between the boost module 306-2 and the first contact 307, so as to apply a higher voltage to the first contact 307.
  • the voltage detection module 406-2 on one side of the charging box 400 can detect the voltage change of the second contact 407 (that is, the voltage change of the first contact 307), and then notify the second processor 403 of the charging box 400.
  • the boost module 306-2 is also electrically connected to the first processor 303, and the channel 4-1 formed between the boost module 306-2 and the first processor 303 is used for the boost module 306-2
  • the control signal is received from the first processor 303, and when the electronic device 300 wants to actively initiate communication, the boost module 306-2 is controlled to work.
  • the voltage detection module 406-2 shown in FIGS. 16 and 17 may include at least one of a comparator, an operational amplifier, and an analog-to-digital converter.
  • the voltage detection module 406-2 may also include a resistor.
  • the voltage detection module 406-2 may include a resistor and a comparator, may include a resistor and an operational amplifier (may be referred to as an operational amplifier or an operational amplifier), or may include a resistor, an operational amplifier, and an analog-to-digital converter (analog- to-digital converter, ADC), it can also only include comparators and so on.
  • FIG. 18 shows a schematic structural diagram of still another electronic device charging system provided by an embodiment of the present application.
  • the difference from FIG. 16 is that the voltage detection module 406-2 in the electronic device charging system shown in FIG. 18 shows a specific circuit structure.
  • the voltage detection module 406-2 includes a comparator and a third resistor R3.
  • the comparator is a circuit that compares an analog voltage signal with a reference voltage.
  • the two inputs of the comparator are analog signals, and the output is a binary signal 0 or 1.
  • the comparator has two input terminals and one output terminal.
  • the positions marked with "+” and “-” are the input terminals, and the position electrically connected to the second processor 403 is the output terminal.
  • FIG. 18 exemplarily shows that the input terminal marked "+” of the comparator inputs a reference voltage (or referred to as a reference voltage), and the input terminal marked "-” is electrically connected to the second contact 407.
  • the output terminal of the comparator is electrically connected to the second processor 403 to output the result of the comparator to the second processor 403.
  • the current load module 306-1 on the side of the electronic device 300 may be the same as the current load module 306-1 in FIG. 11 to FIG. 14, and the specific structural schematic diagram is not shown in the figure.
  • the first processor 303 of the electronic device 300 can send a control signal to the current load module 306-1 to control the current load module 306-1 to work, so that the charging box 400 is charged
  • the voltage on the circuit will change.
  • the signal of the input terminal that is electrically connected to the second contact 407 on the comparator will change, for example, increase.
  • the voltage at the position of the second contact 407 increases.
  • the voltage of the second contact 407 detected by the comparator is lower than the reference voltage
  • the voltage of the second contact 407 will increase.
  • the output of the comparator will be inverted.
  • the second processor 403 detects this level inversion change to know that the electronic device wants to interrupt the charging process and initiates active communication, thus completing the process of the electronic device 300 sending a notification signal to the charging box 400.
  • the second processor 403 of the charging box 400 can control the second battery 401 and the second charging module 402 of the charging box 400 to actively suspend charging, and control the second switch module 405 to switch from the charging channel 1 to the communication channel 2.
  • the electronic device 300 will also control the second switch module 405 to switch from the charging channel 5 to the communication channel 6 within the previously negotiated time, and normal data communication can be carried out between the electronic device 300 and the charging box 400.
  • the two input terminals of the comparator in the voltage detection module 406-2 can be swapped, that is, the input terminal that originally input the reference voltage is changed to be electrically connected to the second contact 407, and the original input terminal is electrically connected to the second contact 407.
  • the connected input terminal is changed to input the reference voltage.
  • This only changes the level conversion rules of the comparator that is, when the original current load module is working, the output of the comparator is inverted from the level "0" to "1".
  • the connection relationship between the two input terminals of the comparator is reversed, When the current load module is working, the output of the comparator will be inverted from level "1" to "0".
  • the detection principle of the comparator is similar to the above description, and will not be repeated.
  • the voltage detection module 406-2 may further include a third resistor R3.
  • the third resistor R3 is connected in series with the charging channel of the charging box 400, where the position on the comparator electrically connected to the charging channel of the charging box It can be located at both ends of the third resistor R3.
  • the comparator in FIG. 19 can also be replaced with, for example, the operational amplifier shown in FIG. 14, so that the two input terminals of the operational amplifier can be electrically connected to both ends of the third resistor R3, respectively.
  • the operational amplifier can detect the specific change value of the charging voltage on the charging link of the charging box.
  • the position where the voltage detection module is electrically connected to the charging path (or charging channel) of the charging box is not limited to the second contact 407, and may also be other positions on the charging channel 5 of the charging box. As long as one end of the voltage detection module is electrically connected to any position on the charging channel 5 of the charging box, the voltage detection module can detect the voltage change at that position according to the comparator.
  • the voltage detection module may also be placed behind the second switch module 405.
  • the input terminal of the comparator of the voltage detection module 406-2 can be electrically connected to any position on the charging path before the second switch module 405 and the second charging module 402, or can be connected to the second charging module 402 and the second charging module 402. Any position on the charging path between the two batteries 401 is electrically connected. If the integrated boost function of the second charging module is separated and used as a single module, the voltage detection module can also be electrically connected at a position close to the boost module.
  • the embodiments of this application do not make limitations.
  • the voltage detection module in the embodiment of the present application can be arranged at any position on the charging path (or charging channel, charging link) of the charging box 400.
  • the working principle of the voltage detection module is similar, and the difference is different.
  • the position of the voltage detection module is different from the reference voltage.
  • the notification module on the electronic device side is a current load module or a boost module
  • the detection module on the charging box side is a voltage detection module (ie, Vsense module) to send notification signals to the charging box.
  • the notification module sends to the charging box 400 by changing the voltage of the contact between the electronic device 300 and the charging box 400
  • the notification module is the current load module 306-1 or the boost module 306-2.
  • the notification module when the notification module is a current load module, the notification module includes at least three terminals. A first terminal of the at least three terminals is electrically connected to the first processor 303, and the first terminal is electrically connected to the first processor 303. The channel 4-1 formed between the first processors 303 is used by the first processor 303 to send control signals to the current load module 306-1.
  • the second terminal of the at least three terminals is electrically connected to any position in the charging channel 1 on the side of the electronic device 300, and the channel 4-2 formed between the second terminal and any position in the charging channel 1 is used for slave
  • the branch current on the charging path that is, the current signal on channel 4-2.
  • the third terminal of the at least three terminals can be grounded or connected to a reference point level (not shown in the figure), and is mainly used to discharge the current in the channel 4-2.
  • the notification module when the notification module is the boost module 306-2, the notification module includes at least three terminals, and a first terminal of the at least three terminals is electrically connected to the first battery 301 for slave The first battery gets the voltage.
  • the second end of the at least three ends is electrically connected to the first contact 307, and the boost module is used to obtain a voltage from the first battery 301 and apply it to the first contact 307.
  • the third terminal of the at least three terminals is electrically connected to the first processor 303 and is used to receive control signals from the first processor 303.
  • the detection module when the detection module detects the notification signal sent by the electronic device by detecting the voltage change of the contact between the electronic device 300 and the charging box 400, the detection module is the voltage detection module 406-2.
  • the detection module ie, the voltage detection module 406-2
  • the detection module includes at least three terminals, and the first terminal of the at least three terminals is electrically connected to any position (for example, the fourth position) on the charging channel 5 of the charging box 400 , The first terminal of the at least three terminals is used to detect the voltage of the position on the charging channel 5, that is, the voltage of the fourth position.
  • the second terminal of the at least three terminals is electrically connected to a reference voltage, and the reference voltage is used to compare the voltage at a certain position on the charging channel 5 detected by the first terminal to obtain the voltage on the charging channel of the charging box Variety.
  • the third end of the at least three ends is electrically connected to the second processor 403, and is used to send the detection result of the detection module (or the notification signal sent by the electronic device) to the second processor 403.
  • the charging box may also include a level conversion circuit, a switch circuit, and the like. Referring to FIG.
  • the charging box 400 shown in FIG. 21 may further include a level conversion circuit 408.
  • the level conversion circuit 408 is disposed between the second switch module 405 and the second processor 403, and two ends of the level conversion circuit 408 are electrically connected to the second switch module 405 and the second processor 403, respectively.
  • the level conversion circuit is used to convert the level so that the circuit modules can be matched and electrically connected.
  • the level conversion power 408 can also be set between any two components with mismatched levels, that is, the output of the first component is used as the input of the second component, and the output of the first component is used as the input of the second component. The output level does not match the input level of the second component.
  • the charging box 400 may further include a switch circuit 409.
  • FIG. 21 exemplarily shows a switch circuit.
  • the charging box 400 may be provided with one or more switch circuits for controlling the switch of the circuit module and the like.
  • the switch circuit 409 is arranged between the second charging module 402 and the second switch module 405, and the switch circuit 409 is electrically connected to the second charging module 402 and the second switch module 405, and can be used to control the second charging module. 402 switch.
  • each circuit module can be provided with a corresponding switch circuit to achieve the purpose of individually controlling each circuit module.
  • one switch circuit can control the switches of multiple circuit modules, which is not limited in the embodiment of the present application.
  • the device embodiment of the embodiment of the present application is described in detail above with reference to FIGS. 1 to 21, and the embodiment of the present application also provides a method embodiment of a charging control method. It should be understood that the description of the method embodiment and the description of the device embodiment correspond to each other, and therefore, the parts that are not described in detail may refer to the previous device embodiment.
  • the embodiment of the present application also provides a charging control method.
  • the method includes:
  • the electronic device receives a charging signal from the charging box through the first charging channel, and the first charging channel and the first communication channel are electrically connected to the charging box through the first contact on the electronic device.
  • the electronic device When the electronic device needs to communicate with the charging box through the first communication channel, the electronic device changes the current flowing through the first contact or changes the voltage of the first contact.
  • the charging box detects the current flowing through the second contact or detects the voltage of the second contact.
  • the second contact is used to electrically connect the second charging channel and the second communication channel with the electronic device.
  • the charging box switches from the second charging channel to the second communication channel according to the detected current or voltage.
  • the electronic device switches from the first charging channel to the first communication channel.
  • the electronic device communicates with the charging box through the first communication channel and the second communication channel.
  • the electronic device changing the current flowing through the first contact or changing the voltage of the first contact includes: the electronic device adds a current branch from the first charging channel to change the current flowing through the first contact.
  • the electronic device changing the current flowing through the first contact or changing the voltage of the first contact includes: the electronic device obtains a voltage from the battery of the electronic device and applies it to the first contact to change the first contact. Point voltage.
  • the charging box detecting the current flowing through the second contact point or detecting the voltage of the second contact point includes: the charging box detecting the current or voltage change between the second position and the third position on the second charging channel.
  • the charging box detecting the current flowing through the second contact or detecting the voltage of the second contact includes: the charging box detects the voltage at the fourth position on the second charging channel; the charging box compares the voltage at the fourth position with the reference The voltage is compared, and the comparison result is obtained.
  • the embodiment of the present application also provides a charging control method, which may be executed by an electronic device such as a headset.
  • the method includes: receiving a charging signal from the charging box through the contact; changing the current flowing through the contact or changing the voltage of the contact; switching from the charging channel to the communication channel, and the electronic device communicates with the charging box.
  • the embodiment of the present application also provides a charging control method, which may be executed by an electronic device such as a headset.
  • the method includes: receiving a charging signal from the charging box through a charging channel, the charging channel and the communication channel are electrically connected to the charging box through the contact; when it is necessary to communicate with the charging box through the communication channel, changing the current flowing through the contact or changing the The voltage of the contact; switching from the charging channel to the communication channel, the electronic device communicates with the charging box.
  • changing the current flowing through the contact or changing the voltage of the contact includes: adding a current branch from the charging channel to change the current flowing through the contact.
  • changing the current flowing through the contact or changing the voltage of the contact includes: obtaining a voltage from the battery of the electronic device and applying it to the contact to change the voltage of the contact.
  • the electronic device is a wireless headset.
  • the embodiment of the present application also provides a charging control method, which can be executed by the charging box.
  • the method includes: transmitting a charging signal to the electronic device through the contact; detecting the current flowing through the contact or detecting the voltage of the contact; in the process of charging the electronic device by the charging box, according to the detected current or voltage, from the charging The channel is switched to the communication channel, and the charging box communicates with the electronic device.
  • the embodiment of the present application also provides a charging control method, which can be executed by the charging box.
  • the method includes: transmitting a charging signal to the electronic device through a charging channel, the charging channel and the communication channel are electrically connected to the charging box through the contact; detecting the current flowing through the contact or detecting the voltage of the contact; charging the electronic device in the charging box During the process, according to the detected current or voltage, the charging channel is switched to the communication channel, and the charging box communicates with the electronic device.
  • detecting the current flowing through the contact or detecting the voltage of the contact includes: detecting a current or voltage change between the second position and the third position on the charging channel.
  • detecting the current flowing through the contact or detecting the voltage of the contact includes: detecting the voltage at the fourth position on the charging channel; comparing the voltage at the fourth position with the reference voltage to obtain the comparison result.
  • charging path can have the same meaning, and can all be understood as the direction of current flow during the charging process.
  • the electronic device involved in the embodiment of the present application may be a wireless headset, such as a neck-mounted headset, a headset, a true wireless Bluetooth headset, etc., or a wearable device such as a bracelet, a watch, and glasses.
  • the charging box in the embodiments of the present application may be used only for charging electronic devices, or may have both charging and accommodating functions, which is not limited in the embodiments of the present application.
  • the technical solution provided by the embodiments of the present application is not limited to being applied to scenarios where the electronic device actively initiates communication with the charging box during the charging process, but can also be applied to the scenario where the charging box actively initiates communication during the charging process, and can also be applied to electronic devices.
  • the charging process between the electronic device and the charging box and the charging process between the electronic devices described in the embodiments of the present application should be understood as the contact between the electronic device and the charging box (or between the electronic devices). Point and other wired methods are electrically connected, and the charging channel and communication channel between the electronic device and the charging box (or between the electronic devices) reuse the same contact, and the switch is used to switch the charging channel and the communication channel.
  • the charging control method provided in this application can be applied to realize communication during charging, which can improve the continuity of the charging process and shorten the time for the electronic device to be fully charged.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection between two components.

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Abstract

本申请提供了一种充电控制方法、电子设备、充电盒和电子系统。该电子系统包括电子设备和充电盒，电子设备包括第一充电通道，用于从充电盒接收充电信号；第一通讯通道，用于与充电盒通讯，第一通讯通道和第一充电通道通过第一触点和第二触点与充电盒电连接；通知模块，用于改变流过第一触点的电流或第一触点的电压；第一处理器，用于从第一充电通道切换至第一通讯通道；充电盒包括检测模块，用于检测流过第二触点的电流或第二触点的电压；第二处理器，用于根据检测模块检测的电流或电压，从第二充电通道切换至第二通讯通道；电子设备通过第一通讯通道、第二通讯通道与充电盒通讯。上述技术方案能够使得电子设备在充电过程中能够发起主动通讯。

Description

充电控制方法、电子设备、充电盒和电子系统
本申请要求于2020年01月23日提交中国专利局、申请号为202010076924.5、申请名称为“充电控制方法、电子设备、充电盒和电子系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及充电技术领域，具体地，涉及一种充电控制方法、电子设备、充电盒和电子系统。
背景技术
目前很多电子设备例如无线耳机、手环、手表的体积越来越小，为了延长电子设备的续航时间，一般都为电子设备配备了充电盒用于充电。除此之外，电子设备与充电盒之间还可以进行信息交互。
以无线耳机为例，电子设备与充电盒之间可以使用相同触点实现充电和通讯。但在充电过程中，常常面临电子设备例如耳机没有办法向充电盒主动发起通讯的问题。如果电子设备想要主动发起通讯，只能通过轮询方式，即每隔固定协商好的时间来切换充电通路和通讯通路。这样做带来一系列问题例如影响充电速度、电池寿命、通讯实时性等。
发明内容
本申请技术方案提供一种充电控制方法、电子设备、充电盒和电子系统，能够使得电子设备在充电过程中能够发起主动通讯。
第一方面，提供一种电子系统，包括电子设备和充电盒，所述电子设备包括第一充电通道、第一通讯通道、第一处理器、通知模块和第一触点；所述充电盒包括第二充电通道、第二通讯通道、第二处理器、检测模块和第二触点；其中：所述第一充电通道，用于从所述充电盒接收充电信号(例如，充电信号为大于3V的电压)，为所述电子设备充电；所述第一通讯通道，用于与所述充电盒通讯，所述第一通讯通道和所述第一充电通道通过所述第一触点和所述第二触点，与所述充电盒电连接；所述通知模块，用于在所述第一处理器的控制下，改变流过所述第一触点的电流或改变所述第一触点的电压；所述检测模块，用于检测流过所述第二触点的电流或检测所述第二触点的电压；所述第二处理器，用于根据所述检测模块检测的电流或电压，从所述第二充电通道切换至所述第二通讯通道；所述第一处理器，用于从所述第一充电通道切换至所述第一通讯通道；所述电子设备通过所述第一通讯通道、所述第二通讯通道与所述充电盒通讯。
本申请实施例提供的电子系统中，通过在电子设备侧设置通知模块，在充电盒为电子设备充电的过程中，电子设备可以通过通知模块改变流过第一触点的电流或改变第一触点的电压，以通知充电盒与电子设备通讯。相应地，充电盒一侧通过检测模块可以检测流过 第二触点的电流或检测第二触点的电压，来获知电子设备要进行通讯。上述技术方案解决了电子设备在充电过程中不能发起主动通讯的问题。
其中，电子设备可以为无线耳机，无线耳机可以位于充电盒内。
进一步地，相比现有利用轮询来实现电子设备发起主动通讯来说，本申请中的技术方案可以在电子设备想要通讯的时候发起主动通讯，无需通讯时可以一直保持充电过程的继续，能够提高充电速度，延长电池使用寿命，还能提高通讯的实时性。
应理解，本申请技术方案中，电子设备在充电过程中，电子设备的第一触点与充电盒的第二触点电连接，因此流过第一触点的电流改变，则流过第二触点的电流改变，第一触点的电压改变，则第二触点的电压改变。因此本申请实施例中，通知模块改变了电子设备侧的流过第一触点的电流或改变第一触点的电压，可以通过检测模块检测充电盒一侧的流过第二触点的电流或检测第二触点的电压。
结合第一方面，在一种可能的实现方式中，所述第一触点包括第一正极和第一负极，所述第二触点包括第二正极和第二负极。
应理解，第一触点所包括的第一正极用于与电子设备侧的电池的正极电连接，第一负极用于与电子设备侧的电池电池的负极电连接。第二触点包括的第二正极用于与充电盒侧的电池的正极电连接，第二负极用于与充电盒侧的电池的负极电连接。这样电子设备的第一触点与充电盒的第二触点相接触形成电连接时，应为第一触点的第一正极和第一负极与第二触点的第二正极和第二负极对应接触形成电连接。例如第一触点的第一正极与第二触点的第二正极相接触形成电连接，第一触点的第一负极与第二触点的第二负极相接触形成电连接。
结合第一方面，在一种可能的实现方式中，所述电子设备还包括第一开关模块，所述第一通讯通道和所述第一充电通道通过所述第一开关模块与所述第一触点连接和/或断开。
在一种实现方式中，第一开关模块可以用于切换第一通讯通道和第一充电通道通。可选地，第一通讯通道和所述第一充电通道通过所述第一开关模块与所述第一触点连接和/或断开，包括以下几种情况：第一通讯通道通过所述第一开关模块与所述第一触点连接；第一通讯通道通过所述第一开关模块与所述第一触点断开；第一充电通道通过所述第一开关模块与所述第一触点连接；第一充电通道通过所述第一开关模块与所述第一触点断开。
在另一种实现方式中，第一通讯通道和第一充电通道通过第一开关模块与第一触点连接。
结合第一方面，在一种可能的实现方式中，所述第一开关模块为场效应MOS管、三极管、可控硅、或者实现开关功能的集成电路。
结合第一方面，在一种可能的实现方式中，所述通知模块包括至少三端，其中：所述至少三端中的第一端与所述第一处理器电连接，用于接收所述第一处理器的控制信号；所述至少三端中的第二端与所述第一充电通道上的第一位置电连接，用于从所述第一充电通道上引出电流分支；所述至少三端中的第三端接地或接参考电平，用于将所述电流分支中的电流泄出。
通知模块可以具有电流负载的作用，从第一充电通道上引出分支电流，这样充电盒一侧的充电电流将会发生变化，流经第二触点的电流发生变化，或者第二触点的电压发生变 化，这样充电盒一侧就可以知道电子设备要发起通讯，从而准备和电子设备通讯。
结合第一方面，在一种可能的实现方式中，所述通知模块包括以下元器件中的任意一种：场效应管、晶体管、包括有场效应管和晶体管的集成电路、或者实现开关功能的集成电路。
通知模块采用上述形式的元器件时，可以在电子设备要发起主动通讯的时候通过第一充电通道拉电流，不需要发起通讯的时候就正常进行充电。
结合第一方面，在一种可能的实现方式中，所述通知模块包括所述场效应管时，所述场效应管的栅极与所述第一处理器电连接，所述场效应管的源极接地，所述场效应管的漏极与所述第一触点电连接。
结合第一方面，在一种可能的实现方式中，所述通知模块包括至少三端，其中：所述至少三端中的第一端与所述第一电池电连接，用于从所述第一电池获取电压；所述至少三端中的第二端与所述第一触点电连接，用于将所述电压施加于所述第一触点；所述至少三端中的第三端与所述第一处理器电连接，用于接收所述第一处理器的控制信号。
通知模块可以具有升压作用，通知模块从电子设备侧的电池获取电压后施加与第一触点，从而可以改变第一触点的电压。这样充电盒可以检测第一触点电压发生变化，获知电子设备要发起通讯。
在一种实现方式中，通知模块可以为单独的模块或芯片，也可以与第一处理器集成，或者与电子设备的第一充电通道上的其他芯片集成。
在一种实现方式中，检测模块可以为单独的模块或芯片，也可以与第二处理器集成，或者与充电盒的其他芯片集成。
结合第一方面，在一种可能的实现方式中，所述充电盒还包括第二开关模块，所述第二通讯通道和所述第二充电通道通过所述第二开关模块与所述第二触点连接和/或断开。
应理解，第二开关模块可以用于切换第二通讯通道和第二充电通道通。可选地，第二通讯通道和所述第二充电通道通过所述第二开关模块与所述第二触点连接和/或断开，包括以下几种情况：第二通讯通道通过所述第二开关模块与所述第二触点连接；第二通讯通道通过所述第二开关模块与所述第二触点断开；第二充电通道通过所述第二开关模块与所述第二触点连接；第二充电通道通过所述第二开关模块与所述第二触点断开。
结合第一方面，在一种可能的实现方式中，所述第二开关模块为MOS管、三极管、可控硅、或者实现开关功能的集成电路。
结合第一方面，在一种可能的实现方式中，所述检测模块包括至少三端，其中：所述至少三端中的第一端和第二端与所述第二充电通道上的第二位置和第三位置电连接，用于获取所述第二位置与所述第三位置之间的电流或电压变化；所述至少三端中的第三端与所述第二处理器电连接，用于向所述第二处理器发送所述检测模块的检测结果。
检测模块可以检测充电盒一侧的第二充电通道上的第二位置与第三位置间的电流的变化或电压的变化，从而可以获知第二充电通道上的电流或电压发生的变化。
结合第一方面，在一种可能的实现方式中，所述检测模块包括至少三端，其中：所述至少三端中的第一端与所述第二充电通道上的第四位置电连接，用于检测所述第四位置的电压；所述至少三端中的第二端与基准电压电连接；所述至少三端中的第三端与所述第二处理器电连接，用于将所述检测模块的检测结果发送给所述第二处理器。
检测模块可以检测充电盒一侧的第二充电通道上第四位置的电压，然后将该电压与基准电压做比较，从而获知第二充电通道上的电流或电压发生的变化。
结合第一方面，在一种可能的实现方式中，所述检测模块包括比较器、运算放大器、具有放大电流或电压功能的集成电路、或者具有检测电流或电压功能的集成电路。
结合第一方面，在一种可能的实现方式中，所述电子设备为无线耳机。
第二方面，提供一种电子设备，包括：充电通道，用于从充电盒接收充电信号，为所述电子设备充电；通讯通道，用于与所述充电盒通讯，所述通讯通道和所述充电通道通过触点与所述充电盒电连接；通知模块，用于在处理器的控制下，改变流过所述触点的电流或改变所述触点的电压；处理器，用于在所述充电盒为所述电子设备充电的过程中，从所述充电通道切换到所述通讯通道，所述电子设备与所述充电盒通讯。
本申请技术方案中，通过在电子设备侧设置通知模块，在充电盒为电子设备充电的过程中，电子设备可以通过通知模块改变流过触点的电流或改变触点的电压，以通知充电盒与电子设备通讯。上述技术方案解决了电子设备在充电过程中不能发起主动通讯的问题。
进一步地，相比现有利用轮询来实现电子设备发起主动通讯来说，本申请的技术方案可以在电子设备想要通讯的时候发起主动通讯，无需通讯时可以一直保持充电过程的继续，能够提高充电速度，延长电池使用寿命，还能提高通讯的实时性。
结合第二方面，在一种可能的实现方式中，所述电子设备还包括开关模块，所述通讯通道和所述充电通道通过所述开关模块与所述触点连接和/或断开。
结合第二方面，在一种可能的实现方式中，所述开关模块为MOS管、三极管、可控硅、或者实现开关功能的集成电路。
结合第二方面，在一种可能的实现方式中，所述通知模块包括至少三端，其中：所述至少三端中的第一端与所述处理器电连接，用于接收所述处理器的控制信号；所述至少三端中的第二端与所述充电通道上的第一位置电连接，用于从所述充电通道上引出电流分支；所述至少三端中的第三端接地或接参考电平，用于将所述电流分支中的电流泄出。
结合第二方面，在一种可能的实现方式中，所述通知模块包括以下元器件中的任意一种：场效应管、晶体管、包括有场效应管和晶体管的集成电路、或者实现开关功能的集成电路。
结合第二方面，在一种可能的实现方式中，所述通知模块包括所述场效应管时，所述场效应管的栅极与所述处理器电连接，所述场效应管的源极接地，所述场效应管的漏极与所述触点电连接。
结合第二方面，在一种可能的实现方式中，所述通知模块包括至少三端，其中：所述至少三端中的第一端与所述电子设备的电池电连接，用于从所述电池获取电压；所述至少三端中的第二端与所述触点电连接，用于将所述电压施加于所述触点；所述至少三端中的第三端与所述处理器电连接，用于接收所述处理器的控制信号。
结合第二方面，在一种可能的实现方式中，所述电子设备为无线耳机。
第三方面，提供一种充电盒，包括：充电通道，用于向电子设备传输充电信号，为所述电子设备充电；通讯通道，用于与所述电子设备通讯，所述通讯通道和所述充电通道通过触点与所述电子设备电连接；检测模块，用于检测流过所述触点的电流或检测所述触点的电压；处理器，用于在所述充电盒为所述电子设备充电的过程中，根据所述检测模块检 测的电流或电压，从所述充电通道切换至所述通讯通道，所述充电盒与所述电子设备通讯。
本申请技术方案中，通过在充电盒一侧设置检测模块，在充电盒为电子设备充电的过程中，充电盒一侧通过检测模块可以检测流过触点的电流或检测触点的电压，来获知电子设备要进行通讯。上述技术方案解决了电子设备在充电过程中不能发起主动通讯的问题。
结合第三方面，在一种可能的实现方式中，所述充电盒还包括开关模块，所述通讯通道和所述充电通道通过所述开关模块与所述触点连接和/或断开。
结合第三方面，在一种可能的实现方式中，所述开关模块为MOS管、三极管、可控硅、或者实现开关功能的集成电路。
结合第三方面，在一种可能的实现方式中，所述检测模块包括至少三端，其中：所述至少三端中的第一端和第二端与所述充电通道上的第二位置和第三位置电连接，用于获取所述第二位置与所述第三位置之间的电流或电压变化；所述至少三端中的第三端与所述处理器电连接，用于向所述处理器发送所述检测模块的检测结果。
结合第三方面，在一种可能的实现方式中，所述检测模块包括至少三端，其中：所述至少三端中的第一端与所述充电通道上的第四位置电连接，用于检测所述第四位置的电压；所述至少三端中的第二端与基准电压电连接；所述至少三端中的第三端与所述处理器电连接，用于将所述检测模块的检测结果发送给所述处理器。
结合第三方面，在一种可能的实现方式中，所述检测模块包括比较器、运算放大器、具有放大电流或电压功能的集成电路、或者具有检测电流或电压功能的集成电路。
第四方面，提供一种充电控制方法，包括：电子设备通过第一充电通道从充电盒接收充电信号，所述第一充电通道和第一通讯通道通过所述电子设备上的第一触点与所述充电盒电连接；当所述电子设备需要通过所述第一通讯通道与所述充电盒通讯时，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压；所述充电盒检测流过第二触点的电流或检测第二触点的电压，第二充电通道和第二通讯通道通过所述第二触点与所述电子设备电连接；所述充电盒根据检测到的电流或电压，从所述第二充电通道切换到所述第二通讯通道；所述电子设备从所述第一充电通道切换到所述第一通讯通道；所述电子设备通过所述第一通讯通道和所述第二通讯通道与所述充电盒通讯。
结合第四方面，在一种可能的实现方式中，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压，包括：所述电子设备从所述第一充电通道上增加电流分支，以改变流过所述第一触点的电流。
结合第四方面，在一种可能的实现方式中，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压，包括：所述电子设备从所述电子设备的电池获取电压，并施加于所述第一触点处，以改变所述第一触点的电压。
结合第四方面，在一种可能的实现方式中，所述充电盒检测流过第二触点的电流或检测所述第二触点的电压，包括：所述充电盒检测所述第二充电通道上第二位置和第三位置之间的电流或电压变化。
结合第四方面，在一种可能的实现方式中，所述充电盒检测流过第二触点的电流或检测所述第二触点的电压，包括：所述充电盒检测所述第二充电通道上第四位置的电压；所述充电盒将所述第四位置的电压与基准电压进行比较，得到比较结果。
结合第四方面，在一种可能的实现方式中，所述电子设备为无线耳机。
第五方面，提供一种充电控制方法，所述方法包括：通过触点从充电盒接收充电信号；改变流过所述触点的电流或改变所述触点的电压；从充电通道切换到通讯通道，所述电子设备与所述充电盒通讯。
结合第五方面，在一种可能的实现方式中，所述方法包括：通过充电通道从充电盒接收充电信号，所述充电通道和通讯通道通过触点与所述充电盒电连接；当需要通过所述通讯通道与所述充电盒通讯时，改变流过所述触点的电流或改变所述触点的电压；从充电通道切换到通讯通道，所述电子设备与所述充电盒通讯。
结合第五方面，在一种可能的实现方式中，所述改变流过所述触点的电流或改变所述触点的电压，包括：从所述充电通道上增加电流分支，以改变流过所述触点的电流。
结合第五方面，在一种可能的实现方式中，所述改变流过所述触点的电流或改变所述触点的电压，包括：从所述电子设备的电池获取电压，并施加于所述触点处，以改变所述触点的电压。
结合第五方面，在一种可能的实现方式中，所述电子设备为无线耳机。
第六方面，提供一种充电控制方法，所述方法包括：通过触点向电子设备传输充电信号；检测流过所述触点的电流或检测所述触点的电压；在所述充电盒为所述电子设备充电的过程中，根据检测的电流或电压，从充电通道切换至通讯通道，所述充电盒与所述电子设备通讯。
结合第六方面，在一种可能的实现方式中，所述方法包括：通过充电通道向电子设备传输充电信号，所述充电通道和通讯通道通过触点与所述充电盒电连接；检测流过所述触点的电流或检测所述触点的电压；在所述充电盒为所述电子设备充电的过程中，根据检测的电流或电压，从充电通道切换至通讯通道，所述充电盒与所述电子设备通讯。
结合第六方面，在一种可能的实现方式中，所述检测流过所述触点的电流或检测所述触点的电压，包括：检测所述充电通道上第二位置和第三位置之间的电流或电压变化。
结合第六方面，在一种可能的实现方式中，所述检测流过所述触点的电流或检测所述触点的电压，包括：检测所述充电通道上第四位置的电压；将所述第四位置的电压与基准电压进行比较，得到比较结果。
第七方面，提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机程序，当所述计算机程序在计算机上运行时，使得所述计算机执行上述第四方面至第六方面或第四方面至第六方面的任一种可能的实现方式所述的方法。
第八方面，提供一种包含指令的计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行上述上述第四方面至第六方面或第四方面至第六方面的任一种可能的实现方式所述的方法。
附图说明
图1是一种电子设备充电系统的示意性结构图；
图2是图1的电子设备的示意性结构图；
图3是电子设备置于充电盒内的示意性结构图；
图4是电子设备充电系统的充电过程和通讯过程的示意性电路图；
图5是电子设备充电系统中复用充电触点和通讯触点的示意性电路图；
图6是本申请实施例提供的一种电子设备充电系统的示意性结构图；
图7是本申请实施例提供的另一种电子设备充电系统的示意性结构图；
图8是本申请实施例提供的另一种电子设备充电系统的示意性结构图；
图9是本申请实施例提供的另一种电子设备充电系统的示意性结构图；
图10是本申请实施例提供的又一种电子设备充电系统的示意性结构图；
图11是本申请实施例提供的又一种电子设备充电系统的示意性结构图；
图12是本申请实施例提供的一种电子设备充电系统充电路径示意图；
图13是本申请实施例提供的一种电子设备充电系统通讯路径示意图；
图14是本申请实施例提供的又一种电子设备充电系统的示意性结构图；
图15是本申请实施例提供的又一种电子设备充电系统的示意性结构图；
图16是本申请实施例提供的再一种电子设备充电系统的示意性结构图；
图17是本申请实施例提供的再一种电子设备充电系统的示意性结构图；
图18是本申请实施例提供的再一种电子设备充电系统的示意性结构图；
图19是本申请实施例提供的再一种电子设备充电系统的示意性结构图；
图20是本申请实施例提供的再一种电子设备充电系统的示意性结构图；
图21是本申请实施例提供的再一种电子设备充电系统的示意性结构图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
图1示出了一种电子设备充电系统的示意性结构图。
本申请实施例中的电子设备可以为耳机(earphone，又称headphone，head-set，earpiece)、手表、手环、眼镜等可穿戴设备。其中耳机包括挂于头颈上的颈挂式耳机、头戴式耳机、入耳式耳机、半入耳式耳机、半开放式蓝牙耳机、开放式蓝牙耳机、单耳式蓝牙耳机、双耳式蓝牙耳机、真无线蓝牙耳机、带线材的蓝牙耳机，或者有线两用耳机等等。手表(或手环)包括显示时间的手表(或手环)、带运动和健康检测功能的手表(或手环)、智能手表(或手环)或者其他类型的智能手表(或手环)等。眼镜包括增强现实(augmented reality，AR)眼镜、虚拟现实(virtual reality，VR)眼镜、混合现实(mixed reality，MR)眼镜等。为方便理解，本申请实施例中以电子设备为无线耳机为例进行说明，但应理解，本申请实施例中的电子设备不限于此，还可以是其他的电子设备例如可穿戴设备。
需要说明的是，本申请实施例的描述中，术语“上”、“下”、“前”、“后”、“底部”、“顶部”、“内”、“外”等指示方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元器件必须具有的特定的方位、或以特定的方位构造和操作，因此不能理解为对本申请的限定。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。
还需说明的是，本申请实施例中以同一附图标记表示同一组成部分或同一零部件。
如图1所示，电子设备充电系统100包括耳机1和充电盒2。充电盒2用于为耳机1进行充电，以提升耳机1的续航时间。
耳机1可以理解为是一种转换单元，用于接受媒体播放器或接收器所发出的电讯号， 利用贴近耳朵的扬声器将其转化成可以听到的音波。耳机1为无线耳机，可以利用无线通信技术(例如蓝牙技术、红外射频技术、2.4G无线技术、超声波等)与无线通信设备200例如智能手机(smart phone)、个人数字助理(personal digital assistant，PDA)电脑、平板型电脑、膝上型电脑(laptop computer)等进行通信。耳机1可以包括单个耳机，也可以包括两个耳机。示例性的，图1中所示的置于充电盒2中的耳机1包括左耳机11和右耳机12，这样在播放音频时，可以通过左耳机11播放左声道，通过右耳机12播放右声道，从而实现立体声。当然，左耳机11和右耳机12也可以不分声道使用，这样单独使用左耳机11或单独使用右耳机12或者同时使用左耳机11和右耳机12时，实现的都是单声道的音质。
左耳机11和右耳机12的结构基本一致，略有不同之处在于，左耳机11和右耳机12中可以有一个主耳机，一个从耳机，其中主耳机可以连接移动终端等无线通信设备200和从耳机。也就是说，在同时使用左耳机11和右耳机12时，无线通信设备(也可以称为发射设备，例如手机，平板、带蓝牙输出的音乐播放器等)无线连接主耳机，再由主耳机通过蓝牙无线等方式连接从耳机，可以实现真正的蓝牙左右声道无线分离使用。在一些其他实施例中，左耳机11和右耳机12也可以均与无线通信设备200相连接，这样无线通信设备200可以将音频信号分别发送给左耳机11和右耳机12。
以图1中的左耳机11为例，图2示出了一种耳机的示意性结构图。如图2所示，左耳机11包括壳体111和收容于壳体111内的元器件，所述元器件包括电池113、至少一个处理模块/芯片114、电路板和喇叭(图中未示出)等。左耳机11上还包括至少两个第一触点112，其中至少一个第一触点112与耳机的电池113的正极电连接，至少一个第一触点112与耳机的电池113的负极电连接。为方便理解，本申请实施例以左耳机11包括两个触点为例进行说明，但本申请实施例不限于此。应理解，图中仅是示意性的示出壳体111内部的元器件的位置，对本申请实施例不造成任何限定。
仍参考图1，当用户不使用耳机1或者耳机1需要充电时，可以将耳机1放入充电盒2中。充电盒2包括充电盒主体21和充电盒盖22，充电盒主体21与充电盒盖22可以转动连接。充电盒主体21上可以设置容纳空间，以收容耳机1，充电盒盖22用于封盖充电盒主体21上的容纳空间。这样，充电盒2不仅能够实现充电功能，还能兼具收纳功能。在一些其他实施例中，充电盒2也可以只用于为耳机1充电，而不用于收纳耳机1。充电盒2上设置有为耳机1充电的电池(图中未示出)，因此充电盒主体21上设置有为充电盒电池进行充电的充电接口211。充电盒主体21上还可以设置有充电盒集成按键212和指示灯213，其中充电盒集成按键212用于左耳机11和右耳机12配对或者恢复出厂设置。充电盒集成按键212还可以用于向耳机1通知充电盒2的电量。指示灯213用于指示耳机1和/或充电盒2的充电状态以及电量等。应理解，本申请实施例中仅示例性示出了用于为耳机充电的充电盒的形状，对于手环、手表、眼镜等其他电子设备，可以根据电子设备的具体形状以及充电盒的功能设计相应形状的充电盒，本申请实施例不再一一列举。
图3示出了电子设备例如耳机置于充电盒内的示意性结构图。如图3所示，当耳机需要充电时，将耳机放入充电盒2中。以左耳机11包括两个第一触点112为例，相应地，充电盒2上也包括与该两个第一触点112相电连接的两个第二触点211，其中一个第二触点211与充电盒2的电池的正极电连接，另一个第二触点211与充电盒2的电池的负极电 连接。应理解，耳机上的两个第一触点112与充电盒上的两个第二触点211具有对应的电连接关系，以保证充电盒能够为耳机充电。当左耳机11上的两个第一触点112分别对应地与充电盒2上的两个第二触点211接触时，就可以开始充电过程。这样，当用户不使用耳机1的时候，可以把耳机1放入充电盒2充电。这样可以保证每次取出来使用的时候耳机1都是有电或满电状态，通过充电盒2的大电池可以达到长续航的目的。另外，随着用户体验要求越来越高，为了满足用户佩戴舒适性及美观的需要，耳机1的体积越来越小，因此该充电盒2同时还可以起到耳机收纳的作用，防止用户对这种小巧设备收纳不当而不慎丢失。
返回参考图1，由于充电盒2是为耳机1进行充电的，充电盒2需要一些基本的充电管理模块。充电盒2还可以把自身的电量通知给耳机1，然后由耳机1上报给无线通信设备200。这样可以在无线通信设备200的状态栏中显示耳机1和/或充电盒2的电量信息。例如，在无线通信设备200的应用程序里、负一屏或者状态栏中显示耳机1和充电盒2的充电状态和电量等信息，以方便用户查看。当这些功能由充电盒2的处理器来管控时，充电盒的处理器可以存在升级的需求，而充电盒升级所需的数据可能需要通过耳机发送给充电盒。也就是说，耳机1与充电盒2之间除了具有充电过程外，还可能有大量的信息交互。如图1中所示，当将耳机1放入充电盒2中后，耳机1与无线通信设备200处于连接状态，耳机1可以将耳机1的电量和充电盒2的电量上报给无线通信设备200，无线通信设备200则可以在无线通信设备200的显示界面201例如负一屏上显示电量信息。无线通信设备200的显示界面201上可以显示左耳机11和/或右耳机12的电量和充电状态，以及充电盒2的电量和充电状态等。应理解，图中仅示例性的示出了一种可能的显示界面，在一些其他实施例中，无线通信设备200还可以在应用程序或者无线通信设备200的状态栏上显示上述全部或部分或类似的内容，在此不再一一详述。总而言之，耳机1与充电盒2之间不仅存在充电过程，还会有通讯过程。
电子设备充电系统100中的耳机1和充电盒2之间通过触点进行接触形成电连接，可以实现充电盒为耳机充电。用于充电的触点为物理触点，可以称为“充电触点”，充电触点例如可以采用图2中所示的引脚(PIN)形式或者采用图3中所示的弹片形式。电子设备充电系统中的耳机1和充电盒2之间也可以通过触点来进行信息的交互，用于通讯的触点可以称为“通讯触点”。耳机1与充电盒1之间的这种信息交互是有物理接触的，因此触点也可以采用引脚或弹片形式。耳机1与充电盒2之间通过物理触点进行信息交互的方式也可以理解为是有线通讯方式。
图4示出了电子设备充电系统的充电过程和通讯过程的示意性电路图。如图4中所示，电子设备300包括第一电池301和与第一电池301电连接的第一充电模块302，充电盒400包括第二电池401和与第二电池电连接的第二充电模块402。电子设备300中的第一电池301和第一充电模块302通过充电触点501(包括电子设备300的充电触点和充电盒400的充电触点)与充电盒400中的第二充电模块402和第二电池401电连接，形成了电子设备300与充电盒400之间的充电通路。第一充电模块302和第二充电模块402用于电子设备300和充电盒400间进行充电过程的充电管理。
电子设备300还包括第一处理器303和与第一处理器303电连接的第一通信模块304，充电盒400包括第二处理器403和与第二处理器403电连接的第二通信模块404。电子设 备300的第一处理器303和第一通信模块304通过通讯触点502(包括电子设备300的通讯触点和充电盒400的通讯触点)与充电盒400的第二通讯模块404和第二处理器403电连接，形成了电子设备300与充电盒400之间的通讯通路。第一通信模块304和第二通信模块404用于电子设备300和充电盒400间进行通讯过程的通讯管理。第一通信模块304和第二通信模块404为有线通信模块或通信芯片。可选地，第一通信模块304可以是独立的芯片或模块，也可以是集成于第一处理器303中。可选地，第二通信模块404可以是独立的芯片或模块，也可以是集成于第二处理器403中。本申请实施例不做限定。
本申请实施例中图4所示的充电触点501可以理解为包括电子设备300的充电触点和充电盒400的充电触点，通讯触点502可以理解为包括电子设备300的通讯触点和充电盒400的通讯触点。可以理解的，充电触点501和通讯触点502可以为同一个触点，例如一个触点既作为充电触点，又作为通讯触点。充电触点501和通讯触点502也可以为两个不同的触点，例如一个作为充电触点，另一个作为通讯触点。
电子设备300与充电盒400之间进行充电过程所用的充电触点与进行通讯过程所用的通讯触点可以是不同的触点，但由于电子设备300例如耳机的体积有限，在电子设备300上放置很多的接触触点难度较大，所以一般可以复用用于充电的触点和用于通讯的触点，也就是复用充电触点和通讯触点，即通过同一触点来实现电子设备300与充电盒400之间的充电过程和通讯过程。复用同一触点来实现电子设备300与充电盒400之间的充电过程与通讯过程的方式主要可以有两种。一种是通过处理器，例如调制芯片将通讯信号调制在充电信号上、或通过调制芯片从充电信号上解调通讯信号，这样可以在充电的同时实现通讯。另外一种是通过开关实现充电过程和通讯过程的切换，即在充电的时候，将开关切换到充电通道，在通讯的时候，将开关切换到通讯通道，触点既可以用于充电，也可以用于通讯。
图5示出了电子设备充电系统中复用同一触点实现充电和通讯的示意性电路图。如图5所示，电子设备300包括第一电池301、与第一电池301电连接的第一充电模块302、第一处理器303、与第一处理器303电连接的第一通信模块304。电子设备300还包括第一开关模块305，第一开关模块305包括三个端口，其中第一端口305-1和第二端口305-2分别电连接第一充电模块302和第一通信模块304，第三端口305-3与电子设备300的触点电连接。充电盒400包括第二电池401、与第二电池401电连接的第二充电模块402、第二处理器403、与第二处理器403电连接的第二通信模块404。充电盒400还包括第二开关模块405，第二开关模块405包括三个端口，其中第一端口405-1和第二端口405-2分别电连接第二充电模块402和第二通信模块404，第三端口405-3与充电盒400的触点电连接。也就是说，当电子设备300置于充电盒400中时，电子设备300包括的第一开关模块305的第三端口305-3通过触点501(触点501包括电子设备300的触点和充电盒400的触点)与充电盒400包括的第二开关模块405的第三端口405-3电连接。如图5中所示，当第一开关模块305的第三端口305-3与第一端口305-1导通，第二开关模块405的第三端口405-3与第一端口405-1导通，第二电池401、第二充电模块402、第二开关模块405、触点501、第一开关模块305、第一充电模块302、第一电池301形成电子设备300与充电盒400之间的充电通路。充电通路在电子设备300上的部分组成的是电子设备300的充电通道，在充电盒400上的部分组成的是充电点盒400的充电通道。当第一开关模块305 的第三端口305-3与第二端口305-2导通，且第二开关模块405的第三端口405-3与第二端口405-2导通时，第二处理器403、第二通信模块404、第二开关模块405、触点501、第一开关模块305、第一通信模块304、第一处理器303形成电子设备300与充电盒400之间的通讯通路。通讯通路在电子设备300上的部分组成的是电子设备300的通讯通道，在充电盒400上的部分组成的是充电点盒400的通讯通道。第一开关模块305可用于切换电子设备300的充电通道和通讯通道。第二开关模块405可用于切换充电盒400的充电通道和通讯通道。通过开关切换充电通道和通讯通道的方式不能同时传输充电信号和通讯信号，也即不能同时进行充电过程和通讯过程。
当电子设备300和充电盒400之间进行通讯时，电子设备300与充电盒400之间可以实时通讯做信息交互。电子设备300与充电盒400约定好通讯协议与时隙，电子设备300和充电盒400都可以随时主动发起通讯。如果通讯完成或者想要切换到充电过程，则电子设备300和充电盒400中的任意一方都能够主动发起通讯，通知对方从通讯通道切换到充电通道本申请实施例中将电子设备侧的充电通道①表示为第一充电通道。例如当第一端口305-1与第三端口305-3连通时，充电通道①通过第一开关模块305与第一触点307电连接；当第一端口305-1与第三端口305-3断开时，充电通道①通过第一开关模块305与第一触点307断开。电子设备300的充电通道①可以用于从充电盒400接收充电信号例如充电信号为大于3V的电压，为电子设备300充电。
应理解，本申请实施例中器件“A”与器件“B”电连接包括器件“A”与器件“B”直接电连接，即器件“A”与器件“B”是相邻的电连接关系；也包括器件“A”与器件“B”间接电连接，即器件“A”与器件“B”之间还可以电连接有其他元器件，器件“A”是通过一些中间的元器件与器件“B”电连接。可选地，第一电池301与第一开关模块305之间还可以电连接有其他元器件。
第一处理器303、第一开关模块的第二端口305-2、第一开关模块的第三端口305-3以及第一触点307之间的电连接路径形成了电子设备300的通讯通道②。通讯通道②通过第一触点307与充电盒电连接。本申请实施例中将电子设备侧的通讯通道表示为第一通讯通道。例如当第二端口305-2与第三端口305-3连通时，通讯通道②通过第一开关模块305与第一触点307电连接；当第二端口305-2与第三端口305-3断开时，通讯通道②通过第一开关模块305与第一触点307断开。电子设备300的通讯通道②可以用于与充电盒400通讯。
可选地，第一处理器303与第一开关模块305之间还可以电连接有其他元器件。
第一开关模块305用于切换电子设备300的充电通道①和通讯通道②，即充电通道①和通讯通道②通过第一开关模块305与第一触点307连接和/或断开。示例性的，第一处理器303与第一开关模块305电连接，形成控制通道③，第一处理器303通过控制通道③可以控制第一端口305-1与第三端口305-3导通(例如第一处理器303向第一开关模块305输入控制信号)，电子设备300的充电通道①导通(相应地第二端口305-2与第三端口305-3断开，即电子设备300的通讯通道②断开)，或者控制第二端口305-2与第三端口305-3导通，即电子设备300的通讯通道②导通(相应地第一端口305-1与第三端口305-3断开，即电子设备300的充电通道①断开)。
换言之，电子设备300的充电通道①与通讯通道②通过同一触点(例如第一触点307) 与充电盒400电连接，电子设备300的充电通道①与通讯通道②通过第一开关模块305与第一触点307连接和断开，其中，第一开关模块305可以用于切换电子设备300的充电通道①与通讯通道②。也就是说通过控制第一开关模块305可以使电子设备300的充电通道①连通(或称导通)，电子设备300的通讯通道②断开，或者使电子设备300的充电通道①断开，电子设备300的通讯通道②连通(或称导通)。
充电盒400包括第二电池401、第二处理器404、第二开关模块405、检测模块406和第二触点407。第二开关模块405包括与第二电池401电连接的第一端口405-1、与第二处理器403电连接的第二端口405-2和与第二触点407电连接的第三端口405-3。第二电池401、第二开关模块的第一端口405-1、第二开关模块的第三端口405-3以及第二触点407之间的电连接路径形成了充电盒400的充电通道⑤。充电通道⑤通过第二触点407与电子设备电连接。本申请实施例中将充电盒侧的充电通道⑤表示为第二充电通道。例如当第一端口405-1与第三端口405-3连通时，充电通道⑤通过第二开关模块405与第二触点407电连接；当第一端口405-1与第三端口405-3断开时，充电通道⑤通过第二开关模块405与第二触点407断开。充电盒400的充电通道⑤用于向电子设备300传输充电信号，为电子设备300充电。
可选地，第二电池401与第二开关模块405之间还可以电连接有其他元器件。
第二处理器403、第二开关模块的第二端口405-2、第二开关模块的第三端口405-3以及第二触点407之间的电连接路径形成了充电盒400的通讯通道⑥。通讯通道⑥通过第二触点407与电子设备电连接。本申请实施例中将充电盒侧的通讯通道⑥表示为第二通讯通道。例如当第二端口405-2与第三端口405-3连通时，通讯通道⑥通过第二开关模块405与第二触点407电连接；当第二端口405-2与第三端口405-3断开时，通讯通道⑥通过第二开关模块405与第二触点407断开。充电盒400的通讯通道⑥可以用于与电子设备300通讯。
可选地，第二处理器403与第二开关模块405之间还可以电连接有其他元器件。
第二开关模块405用于切换充电盒400的充电通道⑤和通讯通道⑥，即充电通道⑤和通讯通道⑥通过第二开关模块405与第二触点407连接和/或断开。示例性的，第二处理器403与第二开关模块405电连接，形成控制通道⑦，第二处理器403通过控制通道⑦可以控制第一端口405-1与第三端口405-3导通(例如第二处理器403通过控制通道⑦向第二开关模块405输入控制信号)，例如充电盒400的充电通道⑤导通(相应地第二端口405-2与第三端口405-3断开，即充电盒400的通讯通道⑥断开)，或者控制第二端口405-2与第三端口405-3导通，充电盒400的通讯通道⑥导通(相应地第一端口405-1与第三端口405-3断开，即充电盒400的充电通道⑤断开)。
换言之，充电盒400的充电通道⑤与通讯通道⑥通过同一触点(例如第二触点407)与电子设备300电连接，充电盒400的充电通道⑤与通讯通道⑥通过第二开关模块405与第二触点407连接和断开，其中，第二开关模块405用于切换充电盒400的充电通道⑤与通讯通道⑥。也就是通过控制第二开关模块405可以使充电盒400的充电通道⑤连通(或称导通)，充电盒400的通讯通道⑥断开，或者使充电盒400的充电通道⑤断开，充电盒400的通讯通道⑥连通(或称导通)。
电子设备300的通知模块306一端与第一处理器303电连接，一端与第一触点307电 连接，第一处理器303通过通知模块306与第一触点307之间形成了电子设备300的通知通道④。充电盒400的检测模块406一端与第二处理器403电连接，一端与第二触点407电连接，第二处理器403通过检测模块406与第二触点407之间形成了充电盒400的检测通道⑧。
当充电盒400为电子设备300充电，电子设备300的第一触点307与充电盒400的第二触点407相接触形成电连接，电子设备300的充电通道①和充电盒400的充电通道⑤导通，充电盒400的第二电池401可以为电子设备300的第一电池301进行充电。如果电子设备300要主动发起通讯，电子设备300的通知模块306可以向充电盒400发送通知信号，以通知充电盒400与电子设备300通讯。相应地，充电盒400的检测模块406可以检测电子设备300发送的用于通知充电盒400与电子设备300通讯的通知信号。
应理解，本申请实施例中第一触点307包括第一正极和第一负极，其中第一正极用于与电子设备侧的第一电池的正极电连接，第一负极用于与第一电池的负极电连接。第二触点407包括第二正极和第二负极，其中第二正极用于与充电盒侧的第二电池的正极电连接，第二负极用于与第二电池的负极电连接。这样电子设备300的第一触点307与充电盒400的第二触点407相接触形成电连接时，应为第一触点307的第一正极和第一负极与第二触点407的第二正极和第二负极对应接触形成电连接。例如第一触点307的第一正极与第二触点407的第二正极相接触形成电连接，第一触点307的第一负极与第二触点407的第二负极相接触形成电连接。示例性的，在以下一些场景中电子设备在充电时有可能要主动发起通讯。例如，电子设备入盒后，电子设备需要向无线通信设备例如移动终端上报充电盒的电量信息。在这种场景下，电子设备可以发起主动通讯，然后从充电盒处获知充电盒的电量、充电状态等信息，再上报给无线通讯设备。这样，电子设备可以在检测到入盒(例如电子设备放入充电盒)了，可以向充电盒发起主动通讯。
再如，当用户想要对充电盒进行升级时，电子设备可以发起主动通讯。在这种场景下，可以是用户通过无线通信设备告知电子设备要给充电盒升级，然后电子设备向充电盒发起通讯。
又如，在电子设备升级完成后，需要电子设备发起主动通讯，告知充电盒已经升级完毕。在电子设备升级的时候，内部操作系统的刷新，比较难保持电子设备与充电盒继续保持通讯，当电子设备升级完成后，电子设备可以发起通讯告知充电盒，升级完成。
应理解，本申请实施例中，电子设备主动发起通讯可以理解为电子设备要与充电盒信息交互。
在一种实现方式中，通知模块306可以接收第一处理器303发送的控制信号，以向充电盒400发送通知信号。
应理解，本申请实施例中通知模块向充电盒发送通知信号可以是显示发送，也可以是隐式发送。换句话说，通知模块可以是直接向充电盒发送一个显示的通知信号，通知充电盒通讯。可选地，通知模块可以是隐式地发送通知信号，通知模块通过改变电子设备与充电盒之间的充电电路的特征，相应地，检测模块检测到该充电电路特征的改变，也可以认为是通知模块发送了一个通知信号。
可选地，本申请实施例中，第一开关模块305和第二开关模块405可以为场效应管、三极管、可控硅、单刀双掷开关、双刀双掷开关、或者实现开关功能的集成电路等。
本申请实施例中，通过在电子设备侧设置通知模块，在充电盒侧设置检测模块，在充电盒为电子设备充电的过程中，电子设备可以通过通知模块向充电盒发送通知信号，以通知充电盒与电子设备通讯。相应地，充电盒可以通过检测模块检测电子设备发送的通知信号，可以知道电子设备想要通讯，进而电子设备和充电盒可以暂停充电过程，将充电通道切换到通讯通道以完成二者的通讯。上述技术方案可以解决电子设备在充电过程中不能发起主动通讯的问题，相比现有技术中利用轮询来实现电子设备发起主动通讯来说，本申请实施例中的技术方案可以只在电子设备想要通讯的时候发起主动通讯，无需通讯时可以一直保持充电过程的继续，能够提高充电速度，延长电池使用寿命，还能提高通讯的实时性。
可选地，在一些实施例中，通知模块可以设置于充电盒侧，而检测模块设置于电子设备侧，这样可以实现在充电过程中充电盒发起主动通讯。
可选地，在一些实施例中，电子设备侧可以同时设置通知模块和检测模块，充电盒侧也同时设置通知模块和检测模块，这样可以实现在充电过程中，电子设备和充电盒都能够发起主动通讯。
电子设备的充电通道和通讯通道上可以分别再设置有其他的模块，充电盒的充电通道和通讯通道上也可以分别再设置有其他的模块，本申请实施例不做限定。
图7示出了本申请实施例提供的另一种电子设备充电系统的示意性结构图。与图6所示的电子设备充电系统不同的是，图7所示的电子设备充电系统中，电子设备300的充电通道①上还设置有第一充电模块302，用于实现第一电池301充电过程中的充电管理。示例性的，第一充电模块302可以设置于第一电池301与第一开关模块305之间，第一充电模块302分别与第一电池301和第一开关模块305的第一端口305-1电连接。这样，电子设备300的充电通道①包括第一电池301、第一充电模块302、第一开关模块305(包括第一开关模块的第一端口305-1、第一开关模块的第三端口305-3)以及第一触点307。其中，第一开关模块的第一端口305-1和第一开关模块的第三端口305-3是否导通可以影响充电通道①是否导通。电子设备300的通讯通道②上还可以设置有第一通信模块304，用于实现电子设备300与充电盒400通讯过程中的通信管理。示例性的，第一通信模块304设置于第一处理器303与第一开关模块305之间，第一通信模块304分别与第一处理器303和第一开关模块305的第二端口305-2电连接。这样，电子设备300的通讯通道②包括第一处理器303、第一通信模块304、第一开关模块305(包括第一开关模块的第二端口305-2、第一开关模块的第三端口305-3)以及第一触点307。其中，第一开关模块的第二端口305-2、第一开关模块的第三端口305-3是否导通可以影响通讯通道②是否导通。
与电子设备300一侧类似，充电盒400的充电通道⑤上还设置有第二充电模块402，用于实现第二电池401充电过程中的充电管理。示例性的，第二充电模块402设置于第二电池401与第二开关模块405之间，第二充电模块402分别与第二电池401和第二开关模块405的第一端口405-1电连接。这样，充电盒400的充电通道⑤包括第二电池401、第二充电模块402、第二开关模块405(包括第二开关模块的第一端口405-1、第二开关模块的第三端口405-3)以及第二触点407。其中，第二开关模块的第一端口405-1、第二开关模块的第三端口405-3是否导通可以影响充电通道⑤是否导通。充电盒400的通讯通道⑥上还设置有第二通信模块404，用于实现充电盒400与电子设备300通讯过程中的通信管理。示例性的，第二通信模块404设置于第二处理器403与第二开关模块405之间，第二 通信模块404分别与第二处理器403和第二开关模块405的第二端口405-2电连接。这样，充电盒400的通讯通道⑥包括第二处理器403、第二通信模块404、第二开关模块405(包括第二开关模块的第二端口405-2、第二开关模块的第三端口405-3)以及第二触点407。其中，第二开关模块的第二端口405-2、第二开关模块的第三端口405-3是否导通可以影响充电通道⑤是否导通。
本申请实施例中，第一通信模块304和第二通信模块404可以是有线通信模块，用于电子设备300与充电盒400之间进行有线通信。
如图7所示，本申请实施例中的第一通信模块304和第二通信模块404可以分别在电子设备300和充电盒400中作为一个单独的模块或芯片。在一些其他实施例中，第一通信模块304可以与其他模块或处理器集成，使集成后的模块或处理器具有第一通信模块304的通信管理功能，类似地，第二通信模块404也可以与其他模块或处理器集成，使集成后的模块或处理具有第二通信模块404的通信管理功能。
图8示出了本申请实施例提供的另一种电子设备充电系统的示意性结构图。与图7所示的电子设备充电系统不同的是，图8所示的电子设备充电系统中，电子设备300中的第一处理器303集成了图7中所示的第一通信模块304的通信功能，充电盒400中的第二处理器403集成了图7中所示的第二通信模块404的通信管理功能。通信模块与处理器的集成化能够减少电子设备和充电盒内设置的元器件数量，节省空间，便于电子设备和充电盒的小型化。
可选地，如图8所示，图8所示的电子设备充电系统中，充电盒400还可以包括升压模块408，用于升高充电盒一侧的电压，以用于充电盒400能够将电子设备300的第一电池301充满。升压模块408可以设置于充电盒400中的第二充电模块402与第二开关模块405之间，升压模块408分别与第二充电模块402和第二开关模块的第一端口405-1电连接。这样，充电盒400的充电通道⑤包括第二电池401、第二充电模块402、升压模块408、第二开关模块405(包括第二开关模块的第一端口405-1、第二开关模块的第三端口405-3)以及第二触点407。
充电盒400一侧设置升压模块408是因为，充电盒400的第二电池401的电压可能会低于电子设备300的第一电池301需要充满的电压，设置升压模块408后，可以将充电盒一侧的充电电压升高，高于第一电池301充满电的电压，可以更好的为电子设备300充电。
可选地，升压模块408也可以设置于充电盒400的第二电池401与第二充电模块402之间，升压模块408分别与第一电池401与第二充电模块402电连接。可选地，当充电盒400一侧的充电通道⑤上还设置有其他的中间元器件时，升压模块408也可以设置于这些中间元器件的相邻位置。换句话说，本申请实施例中的升压模块408可以串联于充电盒400的充电通道⑤上第二电池401与第二触点407之间的任意位置，只要将用于为电子设备充电的电压升高即可。
应理解，本申请实施例中器件“A”和器件“B”相邻，可以理解为器件“A”与器件“B”可以实现直接电连接。另外，本申请实施例中，器件“A”与器件“B”之间，应是从电路连接关系上理解的位置关系，即器件“A”与器件“B”之间的电连接电路上。
可选地，升压模块408也可以集成于第二充电模块402，或者第二充电模块402自带升压功能。参考图9，与图8所示的电子设备充电系统不同的是，图9所示的电子设备充 电系统中，充电盒400中的第二充电模块402集成了图8中所示的升压模块408的升压功能，即第二充电模块402自带升压功能。这样能够减少充电盒内设置的元器件数量，节省空间，便于充电盒的小型化，或者可以留出更大空间来放置充电盒的电池。
本申请实施例中，电子设备侧的通知模块向充电盒发送通知信号的方式有多种。例如，通知模块可以通过改变流过电子设备与充电盒之间的触点的电流或者改变电子设备与充电盒之间的触点的电压来向充电盒发送上述通知信号。相应地，检测模块可以通过检测流过电子设备与充电盒之间的触点的电流变化或者检测电子设备与充电盒之间的触点的电压变化来检测上述通知信号。
本申请实施例提供一种电子设备，该电子设备包括：
第一充电通道，用于从充电盒接收充电信号，为电子设备充电。
第一通讯通道，用于与充电盒通讯，该第一通讯通道与第一充电通道通过触点(例如上文所述的第一触点)与充电盒电连接。
通知模块，用于在第一处理器的控制下，改变流过第一触点(例如上文所述的第一触点307)的电流或改变第一触点(例如上文所述的第一触点307)的电压。
第一处理器，用于在充电盒为电子设备充电的过程中，从第一充电通道切换到第一通讯通道，电子设备与充电盒通讯。
相应地，本申请实施例还提供一种充电盒，该充电盒包括：
第二充电通道，用于向电子设备传输充电信号，为电子设备充电。
第二通讯通道，用于与电子设备通讯，该第二通讯通道和第二充电通道通过触点(例如上文所述的第二触点)与电子设备电连接。
检测模块，用于检测流过第二触点(例如上文所述的第二触点407)的电流或检测第二触点(例如上文所述的第二触点407)的电压。
第二处理器，用于在充电盒为电子设备充电的过程中，根据检测模块检测的电流或电压，从第二充电通道切换至第二通讯通道，充电盒与电子设备通讯。
相应地，本申请实施例提供一种电子系统，包括电子设备和充电盒，电子设备包括第一充电通道、第一通讯通道、第一处理器、通知模块和第一触点；充电盒包括第二充电通道、第二通讯通道、第二处理器、检测模块和第二触点。
第一充电通道，用于从充电盒接收充电信号，为电子设备充电。
第一通讯通道，用于与充电盒通讯，第一通讯通道和第一充电通道通过第一触点和第二触点，与充电盒电连接。
通知模块，用于在第一处理器的控制下，改变流过第一触点的电流或改变第一触点的电压。
检测模块，用于检测流过第二触点的电流或检测第二触点的电压。
第二处理器，用于根据检测模块检测的电流或电压，从第二充电通道切换至第二通讯通道。
第一处理器，用于从第一充电通道切换至第一通讯通道。
电子设备通过第一通讯通道、第二通讯通道与充电盒通讯。
下面结合具体的实施例进行详细描述。
在一种可能的实现方式中，电子设备侧的通知模块为电流负载模块(即Iload模块)， 充电盒侧的检测模块为电流检测模块(即Isense模块)。这样电子设备可以通过电流负载模块改变流过电子设备与充电盒之间的触点的电流来向充电盒发送通知信号，充电盒通过电流检测模块检测流过电子设备与充电盒之间的触点的电流的变化检测所述通知信号，获知电子设备想要通讯。
参考图10，与图9不同的是，图10中的电子设备充电系统中，电子设备300中的通知模块可以采用电流负载模块306-1，用于从充电路径上拉电流，充电盒400中的检测模块采用电流检测模块406-1，用于检测充电路径上电流的变化。
电子设备300中，电流负载模块306-1分别与第一处理器303和第一触点307电连接，电流负载模块306-1可以接收第一处理器303发送的控制信号，从而使电流负载模块306-1与第一触点307之间有电流分支电流或没有分支电流。可选地，电流负载模块306-1包括至少三端，所述至少三端中的第一端与第一处理器303电连接，用于接收第一处理器的控制信号。该第一端与第一处理器303之间形成的通道④-1用于第一处理器303向电流负载模块306-1发送控制信号。所述至少三端中的第二端与第一充电通道(例如充电通道①)上的第一位置例如第一触点307电连接，用于从第一充电通道上引出电流分支。也就是该第二端与第一触点307之间形成的通道④-2用于从充电路径上分支电流，即通道④-2上走电流信号。所述至少三端中的第三端可以接地或接参考点电平(图中未示出)，用于将通道④-2中的电流分支中的电流泄出。
充电盒400中，电流检测模块406-1设置于第二触点407与第二开关模块405之间，分别与第二触点407和第二开关模块405(具体地可为第二开关模块405的第三端口405-3)电连接。电流检测模块406-1还与第二处理器403电连接，可以将检测结果发送给第二处理器403，由第二处理器403判断电子设备是否想要通讯，或者电流检测模块406-1可以判断电子设备是否想要通讯，并将通讯的结果通知给第二处理器403。也就是说，充电盒的检测模块用于检测流过触点的电流的变化，检测模块可以串联于第二触点407与第二开关模块405之间，检测模块一端与处理器电连接。
可选地，电流检测模块406-1还可以设置于充电盒400一侧的充电通路上任意两个器件之间，即电流检测模块406-1串联于充电盒400的充电通道⑤中。可选地，电流检测模块406-1包括至少三端，所述三端中的第一端与第二触点407电连接，所述三端中的第二端与第二开关模块405电连接，所述三端中的第一端和第二端用于检测充电路径中的电流变化；所述三端中的第三段与第二处理器403电连接，用于将电流检测模块406-1检测的结果发送给第二处理器403。当然，电流检测模块406-1的所述三端中的第一端和第二端可以与充电盒400的充电通道⑤上的任意两点电连接，本申请实施例不做限定。
本申请实施例中，电子设备300侧通过电流负载的变化，可以让充电盒400检测到，当电子设备300改变流过线上的电流负载后，充电盒400的电流检测模块406-1能够检测到电流发生较大变化。本申请实施例中电流负载模块306-1与第一触点307之间形成的通道④-2与电子设备300的充电通道①属于并联关系。当电流负载模块306-1不工作时，流过第一触点307的电流为充电通道①的电流；当电流负载模块306-1工作时，流过第一触点307的电流为充电通道①的电流与通道④-2的电流之和，也就是第一触点307的电流为充电电流和流过电流负载模块306-1的电流之和。流过电子设备300的第一触点307的电流和流过充电盒400的第二触点407的电流相同，电流检测模块406-1可以直接检测流过 第二触点407的电流变化。例如当电流检测模块406-1检测到流过第二触点407的电流增大时，第二处理器403接收到电流检测模块406-1发来的检测结果，可以根据增大的电流确定电子设备300想要发起通讯。或者，当电流检测模块406-1检测到流过第二触点407的电流增大时，自己已经判断出电子设备300想要发起通讯，电流检测模块406-1可以通过发中断给充电盒400的第二处理器403，完成电子设备300到充电盒400的通知。这样充电盒400在充电的过程中获知电子设备想要通讯，就可以打断现在的充电过程，并进入高阻态，等到电子设备300发起通讯。或者电子设备300和充电盒400根据预设规则或者协商好的时间，暂停充电过程，从充电通道切换到通讯通道进行通讯。
可选地，电流负载模块306-1包括的至少三端中的第二端除了可以与第二触点307电连接外，还可以与电子设备300的充电通道①上任意位置电连接，例如与第一充电模块302电连接，与第一开关模块305电连接等等，只要电流负载模块306-1能够从电子设备300的充电通道①上形成分支电流即可。
作为一个示例，图10中的电流负载模块306-1可以包括开关器件，例如金属—氧化物—半导体(metal oxide semiconductor，MOS)场效应晶体管(field effect transistor，FET)(也可简称MOS管)，晶体管例如半导体三极管(也称双极型晶体管)，包括有场效应管和晶体管的集成电路，一种开关，或者是实现开关功能的集成电路。电流负载模块306-1为开关器件，主要用于在电子设备想要发起主动通讯的时候，电流负载模块306-1工作，相当于开关器件闭合，可以从电子设备300的充电通道①上引出分支电流，而电子设备不想要发起主动通讯时，电流负载模块不工作，相当于开关断开，这样电子设备300与充电盒400可以进行正常的充电过程。为了减小线上电流，电流负载模块306-1还可以包括电阻，例如在MOS管、三极管或开关上还可以串联电阻，以保护元器件中电流不过载。
作为一个示例，图10中的电流检测模块406-1可以包括比较器、运算放大器和模数转换器中的至少一种。可选地，电流检测模块406-1还可以包括电阻。示例性的，电流检测模块406-1可以包括电阻和比较器，可以包括电阻和运算放大器(可简称运放或运放器)，或者可以包括电阻、运放器和模数转换器(analog-to-digital converter，ADC)等。可选地，电流检测模块还可以包括具有放大电流或电压作用的集成电路，或者具有检测电流或电压功能的集成电路。
下面以电流负载模块包括MOS管串联电阻，电流检测模块包括电阻、运放器和模数转换器为例进行详细描述。
图11示出了本申请实施例提供的又一种电子设备充电系统的示意性结构图。与图10不同的是，图11所示的电子设备充电系统中的电流负载模块306-1和电流检测模块406-1示出了具体的电路结构。如图11所示，电流负载模块306-1包括MOS管与电阻。
MOS管属于场效应晶体管。在一般电子电路中，MOS管通常被用于放大电路或开关电路，也称场效应管。MOS管分为耗尽型MOS管和增强型MOS管，P沟道和N沟道共4种类型，但理论应用的多为增强型的N沟道MOS管(即NMOS)和增强型的P沟道MOS管(即PMOS)。NMOS因为导通电阻小，容易制造等优点更为常用。MOS管包括栅极(gate，G)、源极(source，S)和漏极(drain，D)，其中栅极相对于源极的电压为Vgs。MOS管具有导通特性，MOS管通过G端的电平来控制D与S端的导通，就像开关一样，相当于开关闭合。对于NMOS来说，当Vgs大于一定的值就会导通，适合源极 接地的情况，这样只要栅极电压抵达一定值例如4V或10V就可以使NMOS导通。NMOS管导通后，电流方向是从漏极到源极。对于PMOS来说，Vgs小于一定的值就会导通，适合源极接电路的供电电压(volt current condenser，VCC)时的情况。不管是NMOS还是PMOS，导通后都有导通电阻存在，这样电流就会在这个电阻上消耗能量，这部分损耗的能量叫做导通损耗，选择导通电阻小的MOS管可以减小导通损耗。
为方便理解电流负载模块的工作原理，本申请实施例以MOS管为NMOS为例进行说明。如图11所示，在电子设备300一侧，电流负载模块306-1包括NMOS和第一电阻R1。NMOS的栅极G与第一处理器303电连接。示例性的，NMOS的栅极G与第一处理器303的通用型输入输出口(general-purpose input/output，GPIO)电连接，这样第一处理器303可以通过GPIO控制NMOS的栅极G。其中第一处理器303与NMOS的栅极G之间形成的通道④-1用于第一处理器303向NMOS发送控制信号，通道④-1为控制信号通道。NMOS的源极S接地，NMOS的漏极D与第一电阻R1电连接。第一电阻R1一端电连接NMOS的漏极，另一端电连接第一触点307。第一电阻R1串联于第一触点307与NMOS之间，主要用于减小线上电流，因为NMOS的导通电阻很小，串联第一电阻R1可以起到保护电路的作用。应理解，电流负载模块306-1与电子设备300的充电通道①电连接的位置不限于是第一触点307，还可以是充电通道①上其他任意位置，例如第一开关模块305与第一充电模块302之间的任意一点，或者第一充电模块302与第一电池301之间的任意一点，本申请实施例不做限定。
在充电盒400一侧，电流检测模块406-1包括第二电阻R2、运算放大器(operational amplifier，OPA)和模数转换器ADC。第二电阻R2设置于充电盒400的第二触点407和第二开关模块405之间，第二电阻R2的一端与第二触点407电连接，另一端与第二开关模块的第三端口405-3电连接。运算放大器OPA具有两个输入端和一个输出端，其中标有“+”的输入端为同相输入端，标有“-”的输入端为反相输入端。如果先后分别从这两个输入端输入同样的信号，则在输出端会得到电压相同但极性相反的输出信号，输出端输出的信号与同相输入端的信号同相，与反相输入端的信号反相。第二电阻R2的两端分别电连接到运算放大器OPA的两个输入端上，也就是说运算放大器的两个输入端分别与第二电阻R2两端电连接。第二电阻R2用于实现电流到电压的转换。运算放大器OPA的输出端与模数转换器ADC电连接。最后模数转换器ADC与第二处理器403电连接。通过设置运算放大器OPA的增益，能够将第二电阻R2两端的电压放大，放大后的输出接入模数转换器ADC，经过模数转换器ADC的模数转换后，向第二处理器403输出数字信号，第二处理器403可以将得到的结果与以往的数据做比较，从而判断电子设备300是否要发起通讯。
下面以电子设备300的第一开关模块305和充电盒400的第二开关模块405为单刀双掷开关为例，对在充电过程中，电子设备300想要发起主动通讯时，电子设备300与充电盒400从充电通道切换到通讯通道的过程进行详细描述。
假设用户使用完电子设备300后将电子设备300放入充电盒400中。如果电子设备300的第一开关模块305和充电盒400的第二开关模块405的初始状态都是通讯通道连通，即第一开关模块305的开关置于电子设备300的通讯通道②一侧的第二端口305-2上，第一处理器303通过第一开关模块305与第一触点307电连接，第二开关模块405的开关置于充电盒400的通讯通道⑥一侧的第二端口405-2上，第二处理器403通过第二开关模块 405与第二触点407电连接。当将电子设备300置于充电盒400之中或之上时，电子设备300的第一触点307与充电盒400的第二触点407相接触形成电连接。此时电子设备300与充电盒400都处于各自的通讯通道，电子设备300与充电盒400之间形成通讯通路，电子设备300和充电盒400都可以发起主动通讯。电子设备300和充电盒400的通讯结束后，二者可以在协商好的时间将各自的开关切换到充电通道。即电子设备300的第一处理器303通过控制通道③向第一开关模块305发送控制信号，以控制第一开关模块305的开关置于电子设备300的充电通道①一侧的第一端口305-1上，第一电池301通过第一开关模块305与第一触点307电连接。类似地，充电盒400的第二处理器403通过控制通道⑦向第二开关模块405发送控制信号，以控制第二开关模块405的开关置于充电盒400的充电通道⑤一侧的第一端口405-1上，第二电池401通过第二开关模块405与第二触点407电连接。此时，电子设备300与充电盒400都处于各自的充电通道，电子设备300与充电盒400之间形成充电通路，若充电盒400一侧打开充电链路，则充电盒400就可以为电子设备300充电，充电路径参考图12中的粗实线所示的链路。
如果电子设备300的第一开关模块305和充电盒400的第二开关模块405的初始状态都是充电通道连通，即第一开关模块305的开关置于电子设备300的充电通道①一侧的第一端口305-1上，第一电池301通过第一开关模块305与第一触点307电连接，第二开关模块405的开关置于充电盒400的充电通道⑤一侧的第一端口405-1上，第二电池401通过第二开关模块405与第二触点407电连接。此时，电子设备300与充电盒400都处于各自的充电通道，电子设备300与充电盒400之间形成充电通路，若充电盒400一侧打开充电链路，则充电盒400就可以为电子设备300充电。或者若充电盒400一侧没有默认打开充电链路，则充电盒400还可以通过传感器等检测电子设备入盒或靠近，然后再打开充电链路，实现对电子设备300的充电。充电路径参考图12中的粗实线所示的链路。
应理解，电子设备300的第一开关模块305和充电盒400的第二开关模块405初始状态(例如连通充电通道还是通讯通道)可以是初始协商好的或者是预设置的。
参考图12，此时电子设备300正在充电过程中，电流依次流经充电盒400一侧的第二电池401-第二充电模块402-第二开关模块405-(第二电阻R2)-第二触点407，然后进入电子设备一侧的第一触点307-第一开关模块305-第一充电模块302-第一电池301。应理解，图12所示的电子设备充电系统中，电流检测模块406-1采用了第二电阻R2，所以电流流经第二电阻R2，如果电流检测模块406-1不用第二电阻R2，则电流可以直接从第二开关模块405到第一触点407。
当电子设备300想要发起通讯时，电子设备300可以在入盒后发起通讯。例如电子设备300需要向无线通信设备汇报充电盒400电量，则电子设备300获知自己入盒(例如电子设备300检测到了充电电压)后，就可以发起主动通讯。这样，电子设备300可以获知充电盒400的电量，这样就可以在无线通信设备(例如手机)显示充电盒400的电量，例如在无线通信设备的状态栏显示充电盒400的电量。
图12中，电子设备300正在充电，电流负载模块306-1与充电路径相连的位置VA的电压与第一触点307的电压相同。以电子设备300的MOS管为NMOS管为例，第一处理器303向电流负载模块306-1中的NMOS管栅极G输出的电平较低，例如为0V。此时栅极G的电压低于源极D的电压，NMOS管截止，电流负载模块306-1对充电路径没有 影响。相应地，在充电盒400一侧，由于充电路径中的电流没有变化或者电流发生的变化是因为充电过程本身造成的电流变动，所以电流检测模块406-1中的运算放大器输入级两端的压差基本不变或者在预设电流变换范围内。
在电子设备发起通讯时，电子设备300的第一处理器303可以向电流负载模块306-1中的NMOS管栅极G输出较高电平，例如5V。当栅极相对于源极的电压Vgs满足导通条件时，NMOS管导通，就会有电流从漏极S流向源极S。电流负载模块相当于给充电盒400的第二电池401增加了负载，实际上充电盒400一侧的充电路径上的电流会大大增加。相应地，由于充电路径中的电流发生较大变化，所以电流检测模块406-1中的运算放大器输入级两端的压差增大，运算放大器输出级电压也会增大，充电盒400的第二处理器403能够捕捉到这个电压变化(相当于电流变化，因为运算放大器输出的电压变化是由于电流充电路径中的电流变化引起的)，从而识别到电子设备300需要打断充电进程，主动发起通讯。
为更好的理解本申请实施例的方案，下面以具体的电流电压数值来描述，但应理解，这仅仅只是示例性的，不对本申请实施例造成任何限定。
参考图12，VA如上所述是电流负载模块306-1与充电路径电连接的位置，VB和VC是电流检测模块406-1的两个输入端与充电路径电连接的位置，VD是电流检测模块406-1的输出端的位置。充电过程中，电流会从VC到VB到VA，假设VC点的电压是5V，第二电阻R2的电阻为1欧姆(ohm)，流过第二电阻R2的电流为30毫安(mA)(即0.03A)，VB点的电压是4.97V(通过5V-(0.03A*1ohm)计算)，VA点的电压也是4.97V。假设第一电阻R1的电阻为10ohm，NMOS电阻为0，当G1电平从0V切换为5V后，NMOS上会产生一个49.7mA即0.0497A(通过4.97V/100ohm计算)的电流。该电流会导致流经第一电阻R2的电流从30mA激增到79.7mA(通过30mA+49.7mA计算)。假设电流检测模块406-1中的运算放大器的增益为10倍，在充电盒400为电子设备300正常充电的时候，运算放大器输入级两端的压差为30mV(通过30mA*1ohm计算)，运算放大器可放大为300mV((通过30mV*10计算)。当流经第二电阻R2的电流从30mA激增到79.7mA后，第二电阻R2两端的压差，也即运算放大器输入级两端的压差会从30mV激增到79.7mV(通过79.7mA*1ohm计算)，运算放大器将输入级两端的压差放大10倍，即运算放大器输出级的电压(即VD的电压)会从300mV增大到797mV。经过模数转换器的模数转换后，充电盒400的第二处理器403能够捕捉到这个300mV到797mV的电压变化，例如第二处理器403可以将每次从电流检测模块获得的数据与之前的数据或上次的数据或者是预设值做比较，从而可以识别出电子设备300需要打断充电进程，主动发起通讯。
然后电池盒400的第二处理器403可以控制充电盒400的第二电池401、第二充电模块402等主动暂停充电，然后通过控制通道⑦向第二开关模块405发送控制信号，以控制第二开关模块405的开关置于充电盒400的通讯通道⑥一侧的第二端口405-2上，第二处理器403通过第二开关模块405与第二触点407电连接。示例性的，第二处理器403通过GPIO将第二开关模块405的单刀双掷开关切换到通讯通道⑥上。同时，电子设备300的第一处理器303可以在此前协商好的时间内，通过控制通道③向第一开关模块305发送控制信号，以控制第一开关模块305的开关置于电子设备300的通讯通道②一侧的第二端口305-2上，第一处理器303通过第一开关模块305与第一触点307电连接。示例性的，第 一处理器303通过GPIO将第一开关模块305的单刀双掷开关切换到通讯通道②上。参考图13，图中实粗线示出了电子设备充电系统处于通讯过程的通讯路径示意图。当电子设备300和充电盒400均切换到通讯通道后，电子设备300和充电盒400之间就可以进行正常的数据通讯了。
应理解，电子设备300和充电盒400切换充电通道到通讯通道的时间可以没有先后顺序，电子设备300向充电盒400发出通知信号后就可以自行切换到通讯通道。可选地，电子设备300切换充电通道到通讯通道的时间可以在充电盒400切换之后，避免在充电过程中强行切断充电通路给电子设备300带来损害，还可以避免电子设备300先切换通道但充电盒400切换失败，而电子设备300不知道充电盒切换失败的问题。
本申请实施例中，第二电阻R2的设置主要用于在运算放大器OPA的两个输入端形成较大的压差，第二电阻R2也可以替换为其他能够将电流转换为电压的元器件，或者运算放大器OPA的两个输入端可以与充电盒400的充电通道⑤上的任意一个元器件的两端电连接，本申请实施例不做限定。
本申请实施例中的运算放大器的输出为模拟信号，模拟信号经ADC转换后转换为数字信号，数字信号形式可以更为精确的表示充电路径上电流的变化。
电流负载模块306-1不限于包括MOS管和第一电阻R1，还可以具有其他形式。
在一些其他的实施例中，图11至图13中所示的电流负载模块306-1中，可以只包括MOS管，不包括第一电阻R1。这样MOS管的漏极直接与第一触点307电连接。其工作原理与上文描述相同，在此不再赘述。
在一些其他实施例中，图11至图13中所示的电流负载模块306-1也可以替换为一种开关，如图14所示，开关的一端接地，一端与第一触点307电连接。第一处理器303通过控制通道④向开关发送控制信号，以控制开关的打开或闭合。当开关闭合时，开关所在的电流负载模块306-1中有分支电流，可以增大充电盒400一侧的充电电流，从而使充电盒400的电流检测模块406-1检测到电流的增大变化，即运算放大器的值会增大。第二处理器403通过判断运算放大器的值增大，可以识别电子设备300想要主动通讯。当开关打开时，电流负载模块306-1不工作，电子设备300和充电盒400可以进行正常的充电过程。
在一些其他实施例中，电流负载模块306-1也可以包括其他类型的开关器件，例如三极管、可控硅等，只要能够实现在电子设备想要主动通讯的时候，能够使电流负载模块306-1工作，而从充电电路上引出电流分支即可。
可选地，电流负载模块306-1上与充电通道电连接的位置不限于第一触点307，即本申请实施例不限于电流负载模块306-1直接与第一触点307电连接，电流负载模块306-1也可以与电子设备300的充电通道①上任意位置电连接，这样如果电子设备想要在充电过程中发起通讯，电流负载模块306-1可以在电子设备300的充电通道①上的任意位置引出电流，而达到使充电盒400供给的充电电流发生变化例如增大的目的。
电流检测模块406-1不限于包括运算放大器、模数转换器和第二电阻R2，还可以具有其他形式。
在一种可能的实现方式中，图11至图13中所示的电流检测模块406-1也可以只包括运算放大器和第二电阻R2，不包括模数转换器。第二处理器403可以具有直接处理模拟信号的功能，例如在电流负载模块306-1未工作时，电流检测模块406-1中的运算放大器 输出为1毫伏(mV)，即第二电阻R2两端的正常压降，第二处理器403根据运算放大器的输出结果可以确定相应的数字逻辑为“0”。当电流负载模块306-1工作时，充电路径中的电流会发生较大变化，例如电流检测模块406-1中的运算放大器输出为1伏(V)，第二处理器403根据运算放大器的输出结果可以确定相应的数字逻辑为“1”。第二处理器403能够知道运算放大器的值发生较大变化，从而获知电子设备想要发起通讯。但本申请实施例不限于此。
在一种可能的实现方式中，图11至图13中的所示的电流检测模块406-1也可以只包括模数转换器ADC和第二电阻R2，不包括运算放大器。这样模数转换器ADC可以将检测的电流变化输出为数字信号发送给第二处理器403。
可选地，第二电阻R2的位置不限于第二开关模块405与第二触点407之间，第二电阻R2可以设置于(或者说串联于)充电盒400的充电通道⑤上的任意位置，只要充电盒400的充电电流流经第二电阻R2即可，这样电流检测模块406-1检测的是充电盒400的充电电流的变化。相应地，电流检测模块406-1与充电路径电连接的位置不限于第二开关模块405与第二触点407之间，可以随着第二电阻R2的位置而相应设计。
应理解，本申请实施例中的第一电阻R1、第二电阻R2或者下文涉及的电阻，可以是电阻器(resistor)，也可以是具有将电流转换为电压的具有电阻性的其他元器件，本申请实施例不做限定。
在一种可能的实现方式中，上述提到的电流检测模块406-1中的运算放大器的两个输入端也可以对调，即原来为同相输入端的换为反向输入端，原来为反向输入端的换为同向输入端。参考图14，与图13不同的是，充电盒400一侧的电流检测模块406-1中，运算放大器的输入级不同。图13中的运算放大器的同向输入端与靠近第二开关模块405的位置电连接，其反向输入端与靠近第二触点407的位置电连接。图14中的运算放大器的同向输入端与靠近第二触点407的位置电连接，反向输入端与靠近第二开关模块405的位置电连接。运算放大器的同向输入端和反向输入端的位置对调，只影响运算放大器的输出级的正负，其检测电流变化的原理与上文描述的类似，不再赘述。
电流负载模块可以是单独的模块/芯片，也可以是与处理器或其他模块/芯片集成。
在一些其他实施例中，图10至14中所示的电流负载模块306-1也可以集成于电子设备的处理器或芯片中。参考图15，与图10不同的是，图15所示的电子设备充电系统中，电子设备300的第一充电模块302集成了图10中的电流负载模块的功能，或者第一充电模块302自带与图10中的电流负载模块类似或相同的功能。可选地，图11至图14中所示的电流负载模块的具体结构可以集成于第一充电模块302中。当在充电过程中电子设备300想要发起主动通讯时，第一充电模块302可以控制内部的开关器件例如MOS管导通或开关闭合等来增大充电路径上的电流，以便充电盒400一侧的电流检测模块406-1能够检测到该电流变化。可选地，电子设备300的第一处理器303可以集成图10中的电流负载模块的功能，或者第一处理器303自带与图10中的电流负载模块类似或相同的功能。
上述实施例中，均是以电子设备侧的通知模块为电流负载模块(即Iload模块)，充电盒侧的检测模块为电流检测模块(即Isense模块)方式，实现向充电盒发送通知信号。
综上，以图10中所示的电子设备充电系统为例，在电子设备300侧，通知模块通过改变电子设备300与充电盒400之间的触点的电流来向充电盒400发送通知信号时，所述 通知模块为电流负载模块306-1。具体地，所述通知模块(即电流负载模块306-1)包括至少三端，所述至少三端中的第一端与第一处理器303电连接，该第一端与第一处理器303之间形成的通道④-1用于第一处理器303向电流负载模块306-1发送控制信号。所述至少三端中的第二端与电子设备300侧的充电通道①中的任意位置电连接，该第二端与该充电通道①中的任意位置之间形成的通道④-2用于从充电路径上分支电流，即通道④-2上走电流信号。所述至少三端中的第三端可以接地或接参考点电平(图中未示出)，主要用于将通道④-2中的电流泄出。可选地，通知模块包括开关器件。
相应地，在充电盒400侧，检测模块通过检测流过电子设备300与充电盒400之间的触点的电流变化来检测电子设备发送的通知信号时，所述检测模块为电流检测模块406-1。所述检测模块(即电流检测模块406-1)串联于第二触点407与第二电池401之间，且检测模块与第二处理器403电连接。具体地，检测模块(即电流检测模块406-1)包括至少三端，所述至少三端中的第一端和第二端与充电盒400的第二充电通道(例如充电通道⑤)上的任意两个位置(例如第二位置和第三位置)电连接，该至少三端中的第一端和第二端用于检测充电通道⑤上的电流变化(也即流过触点的电流变化)，即用于获取第二位置与第三位置之间的电流或电压变化。所述至少三端中的第三端与第二处理器403电连接，用于将检测模块的检测结果(或者说是电子设备发送的通知信号)发送给第二处理器403。可选地，检测模块包括电流放大器件或电压放大器件。
在另一种可能的实现方式中，电子设备侧的通知模块可以为电流负载模块(即Iload模块)或升压模块，充电盒侧的检测模块可以为电压检测模块(即Vsense模块)。这样电子设备可以通过电流负载模块或升压模块改变电子设备与充电盒之间的触点的电压来向充电盒发送通知信号，充电盒通过电压检测模块检测电子设备与充电盒之间的触点的电压的变化检测所述通知信号，获知电子设备想要通讯。
图16示出了本申请实施例提供的再一种电子设备充电系统的示意性结构图。参考图16，与图10不同的是，图16中的充电盒400中的检测模块为电压检测模块406-2。电压检测模块406-2分别与第二触点407和第二处理器403电连接。电子设备300中，电流负载模块306-1分别与第一处理器303和第一触点307电连接，电流负载模块306-1可以接收第一处理器303发送的控制信号，从而使电流负载模块306-1与第一触点307之间有电流分支电流或没有分支电流。充电盒400中，电压检测模块406-2与第二处理器403电连接，可以将检测结果(或通知信号)发送给第二处理器403，由第二处理器403判断，或者电压检测模块406-2可以判断检测结果，并通过一定方式将电子设备想要通讯的结果通知给第二处理器403。
本申请实施例中，电子设备300侧拉电流时，触点上面的电压会因为线上的阻抗导致电压变化，电子设备300通过触点电压的变化，让充电盒400觉察到。当电子设备300改变触点的电压后，充电盒400的电压检测模块406-2能够检测到。这样充电盒400在充电的过程中获知电子设备想要通讯，就可以打断现在的充电过程，并进入高阻态，等到电子设备300发起通讯。或者电子设备300和充电盒400根据预设规则或者协商好的时间，暂停充电过程，从充电通道切换到通讯通道进行通讯。
图17示出了本申请实施例提供的再一种电子设备充电系统的示意性结构图。参考图17，与图16不同的是，图17中的电子设备300中采用升压模块306-2来改变电子设备300 与充电盒400之间的触点的电压。如图所示，升压模块306-2分别与第一电池301和第一触点307电连接，升压模块306-2能够从第一电池301获取电压并进行升压处理，将该较高电压施加到第一触点307处。因此，第一电池301通过升压模块306-2与第一触点307之间形成的通道④-3用于走电流信号，以在第一触点307施加较高电压。这样充电盒400的一侧的电压检测模块406-2能够检测到第二触点407的电压变化(也即第一触点307的电压变化)，进而通知充电盒400的第二处理器403。在电子设备300中，升压模块306-2还与第一处理器303电连接，升压模块306-2与第一处理器303之间形成的通道④-1用于升压模块306-2从第一处理器303接收控制信号，在电子设备300要主动发起通讯时，控制升压模块306-2工作。
作为一个示例，图16和图17中所示的电压检测模块406-2可以包括比较器、运算放大器和模数转换器中的至少一种。可选地，电压检测模块406-2还可以包括电阻。示例性的，电压检测模块406-2可以包括电阻和比较器，可以包括电阻和运算放大器(可简称运放或运放器)，或者可以包括电阻、运放器和模数转换器(analog-to-digital converter，ADC)，还可以只包括比较器等。
下面以电压检测模块包括比较器为例进行详细描述。
图18示出了本申请实施例提供的再一种电子设备充电系统的示意性结构图。与图16不同的是，图18所示的电子设备充电系统中的电压检测模块406-2示出了具体的电路结构。如图18所示，电压检测模块406-2包括比较器和第三电阻R3。
比较器是将一个模拟电压信号与一个基准电压相比较的电路。比较器的两路输入为模拟信号，输出则为二进制信号0或1，当输入电压的差值增大或减小且正负符号不变时，其输出保持恒定。如图18中所示，比较器具有两个输入端和一个输出端，其中标有“+”和“-”的位置均为输入端，与第二处理器403电连接的位置为输出端。图18中示例性的示出了比较器的标有“+”的输入端输入基准电压(或称参考电压)，标有“-”的输入端与第二触点407电连接。比较器的输出端与第二处理器403电连接，以将比较器的结果输出给第二处理器403。
电子设备300侧的电流负载模块306-1可以与图11至图14中的电流负载模块306-1相同，图中未示出具体的结构示意图。当电子设备300在充电过程中想要通讯时，电子设备300的第一处理器303可以向电流负载模块306-1发送控制信号，以控制电流负载模块306-1工作，这样充电盒400的充电电路上的电压会发生变化。相应地，充电盒400的第二触点407的电压发生变化例如增大时，比较器上与第二触点407电连接的输入端的信号将会发生变化例如增大，即比较器检测的第二触点407的位置的电压增大。假设在正常充电过程中，比较器检测到的第二触点407的电压均是低于基准电压的话，当电子设备300侧的电流负载306-1工作后导致第二触点407的电压升高，第二触点407的电压高于比较器的基准电压时，比较器的输出会出现电平反转。第二处理器403检测这个电平反转的变化可以获知电子设备想要打断充电进程，发起主动通讯，这样就完成了电子设备300向充电盒400发送通知信号的过程。接下来充电盒400的第二处理器403可以控制充电盒400的第二电池401、第二充电模块402等主动暂停充电，控制第二开关模块405从充电通道①切换到通讯通道②。同时电子设备300也会在此前协商好的时间内，控制第二开关模块405从充电通道⑤切换到通讯通道⑥，电子设备300和充电盒400之间就可以进行正常的 数据通讯了。
可选地，电压检测模块406-2中的比较器的两个输入端可以对调，即将原来输入基准电压的输入端改为与第二触点407电连接，将原来与第二触点407电连接的输入端改为输入基准电压。这样只是改变了比较器的电平转换规则，即原来电流负载模块工作时，比较器的输出是从电平“0”反转为“1”，对调比较器的两个输入端的连接关系后，当电流负载模块工作时，比较器的输出会变成从电平“1”反转为“0”。比较器的检测原理与上述描述类似，不再赘述。
可选地，参考图19，电压检测模块406-2还可以包括第三电阻R3，第三电阻R3串联于充电盒400的充电通道中，其中比较器上与充电盒的充电通道电连接的位置可以位于第三电阻R3的两端。
可选地，图19中的比较器还可以替换为例如图14中所示的运算放大器，这样运算放大器的两个输入端可以分别电连接第三电阻R3的两端。运算放大器可以检测出充电盒的充电链路上的充电电压具体的变化值。
可选地，电压检测模块与充电盒的充电路径(或者说是充电通道)电连接的位置不限于与第二触点407，还可以是充电盒的充电通道⑤上的其他的位置。只要电压检测模块的一端与充电盒的充电通道⑤上的任意位置电连接，电压检测模块根据比较器就可以检测到该位置的电压变化。
例如，电压检测模块也可以放在第二开关模块405的后面。参考图20，电压检测模块406-2的比较器的输入端可以与第二开关模块405与第二充电模块402之前的充电路径上的任意位置电连接，或者可以与第二充电模块402与第二电池401之间的充电路径上的任意位置电连接。如果将第二充电模块集成的升压功能分离出来单独作为一个模块，则电压检测模块还可以在升压模块靠近的位置电连接。本申请实施例不做限定。
应理解，本申请实施例中的电压检测模块可以设置于充电盒400充电路径(或充电通道、充电链路)上的任意位置，电压检测模块的工作原理都是类似的，不同的是在不同的位置，电压检测模块的基准电压不同。
上述实施例中，是以电子设备侧的通知模块为电流负载模块或升压模块，充电盒侧的检测模块为电压检测模块(即Vsense模块)方式，实现向充电盒发送通知信号。
综上，以图17和图18中所示的电子设备充电系统为例，在电子设备300侧，通知模块通过改变电子设备300与充电盒400之间的触点的电压来向充电盒400发送通知信号时，所述通知模块为电流负载模块306-1或升压模块306-2。具体地，参考图18，所述通知模块为电流负载模块时，所述通知模块包括至少三端，所述至少三端中的第一端与第一处理器303电连接，该第一端与第一处理器303之间形成的通道④-1用于第一处理器303向电流负载模块306-1发送控制信号。所述至少三端中的第二端与电子设备300侧的充电通道①中的任意位置电连接，该第二端与该充电通道①中的任意位置之间形成的通道④-2用于从充电路径上分支电流，即通道④-2上走电流信号。所述至少三端中的第三端可以接地或接参考点电平(图中未示出)，主要用于将通道④-2中的电流泄出。
具体地，参考图17，所述通知模块为升压模块306-2时，所述通知模块包括至少三端，所述至少三端中的第一端与第一电池301电连接，用于从第一电池获取电压。所述至少三端中的第二端与第一触点307电连接，所述升压模块用于从第一电池301获取电压并施加 到第一触点307上。所述至少三端中的第三端与第一处理器303电连接，用于从第一处理器303接收控制信号。
相应地，在充电盒400侧，检测模块通过检测电子设备300与充电盒400之间的触点的电压变化来检测电子设备发送的通知信号时，所述检测模块为电压检测模块406-2。具体地，检测模块(即电压检测模块406-2)包括至少三端，所述至少三端中的第一端与充电盒400的充电通道⑤上的任意一个位置(例如第四位置)电连接，该至少三端中的第一端用于检测充电通道⑤上的该位置的电压，即用于检测第四位置的电压。所述至少三端中的第二端与基准电压电连接，基准电压用于与第一端所检测的充电通道⑤上的某一位置的电压做比较，从而得到充电盒的充电通道上的电压变化。所述至少三端中的第三端与第二处理器403电连接，用于将检测模块的检测结果(或者说是电子设备发送的通知信号)发送给第二处理器403。可选地，本申请实施例中的充电盒一侧在包括上述所提到的模块的基础上，还可以设置其他的电路等。例如在图6至图20的基础上，充电盒还可以包括电平转换电路，开关电路等。参考图21，示例性的，在图16所示的充电盒的基础上，图21所示的充电盒400还可以包括电平转换电路408。电平转换电路408设置于第二开关模块405与第二处理器403之间，电平转换电路408的两端分别与第二开关模块405和第二处理器403电连接。电平转换电路用于转换电平，使电路模块之间可以匹配电连接。可选地，电平转换电力408还可以设置于任意两个电平不匹配的元器件之间，即其中第一个元器件的输出作为第二个元器件的输入，第一个元器件的输出电平和第二个元器件的输入电平不匹配。
可选地，充电盒400还可以包括开关电路409。图21中示例性的示出了一个开关电路，应理解充电盒400可以设置一个或多个开关电路，用于控制电路模块的开关等。如图中示出，开关电路409设置于第二充电模块402与第二开关模块405之间，开关电路409与第二充电模块402与第二开关模块405电连接，可用于控制第二充电模块402的开关。在一些实施中，充电盒400包括更多的电路模块时，每个电路模块都可以设置相应的开关电路，以实现单独控制每个电路模块的目的。可选地，一个开关电路可以控制多个电路模块的开关，本申请实施例不做限定。
上文结合图1至图21详细的描述了本申请实施例的装置实施例，本申请实施例还提供一种充电控制方法的方法实施例。应理解，方法实施例的描述与装置实施例的描述相互对应，因此，未详细描述的部分可以参见前面装置实施例。
本申请实施例还提供一种充电控制方法。该方法包括：
电子设备通过第一充电通道从充电盒接收充电信号，第一充电通道和第一通讯通道通过电子设备上的第一触点与充电盒电连接。
当电子设备需要通过第一通讯通道与充电盒通讯时，电子设备改变流过第一触点的电流或改变第一触点的电压。
充电盒检测流过第二触点的电流或检测第二触点的电压，第二触点用于第二充电通道和第二通讯通道与电子设备电连接。
充电盒根据检测到的电流或电压，从第二充电通道切换至第二通讯通道。
电子设备从第一充电通道切换至第一通讯通道。
电子设备通过第一通讯通道和第二通讯通道与充电盒通讯。
可选地，电子设备改变流过第一触点的电流或改变第一触点的电压，包括：电子设备从第一充电通道上增加电流分支，以改变流过第一触点的电流。
可选地，电子设备改变流过第一触点的电流或改变第一触点的电压，包括：电子设备从电子设备的电池获取电压，并施加于第一触点处，以改变第一触点的电压。
可选地，充电盒检测流过第二触点的电流或检测第二触点的电压，包括：充电盒检测第二充电通道上第二位置和第三位置之间的电流或电压变化。
可选地，充电盒检测流过第二触点的电流或检测第二触点的电压，包括：充电盒检测第二充电通道上第四位置的电压；充电盒将第四位置的电压与基准电压进行比较，得到比较结果。
应理解，当电子设备与充电盒电连接时，即电子设备的第一触点与充电盒的第二触点接触，流经第一触点的电流的变化，则流经第二触点的电流变化，第一触点的电压变化，则第二触点的电压也发生同样的变化。
本申请实施例还提供一种充电控制方法，该方法可以由电子设备例如耳机来执行。
该方法包括：通过触点从充电盒接收充电信号；改变流过触点的电流或改变触点的电压；从充电通道切换到通讯通道，电子设备与充电盒通讯。
本申请实施例还提供一种充电控制方法，该方法可以由电子设备例如耳机来执行。
该方法包括：通过充电通道从充电盒接收充电信号，充电通道和通讯通道通过触点与充电盒电连接；当需要通过通讯通道与充电盒通讯时，改变流过触点的电流或改变所述触点的电压；从充电通道切换到通讯通道，电子设备与充电盒通讯。
可选地，改变流过触点的电流或改变触点的电压，包括：从充电通道上增加电流分支，以改变流过触点的电流。
可选地，改变流过触点的电流或改变触点的电压，包括：从电子设备的电池获取电压，并施加于触点处，以改变触点的电压。
可选地，所述电子设备为无线耳机。
本申请实施例还提供一种充电控制方法，该方法可以由充电盒来执行。
该方法包括：通过触点向电子设备传输充电信号；检测流过触点的电流或检测触点的电压；在充电盒为所述电子设备充电的过程中，根据检测的电流或电压，从充电通道切换至通讯通道，充电盒与电子设备通讯。
本申请实施例还提供一种充电控制方法，该方法可以由充电盒来执行。
该方法包括：通过充电通道向电子设备传输充电信号，充电通道和通讯通道通过触点与充电盒电连接；检测流过触点的电流或检测触点的电压；在充电盒为电子设备充电的过程中，根据检测的电流或电压，从充电通道切换至通讯通道，充电盒与电子设备通讯。
可选地，检测流过触点的电流或检测触点的电压，包括：检测充电通道上第二位置和第三位置之间的电流或电压变化。
可选地，检测流过触点的电流或检测触点的电压，包括：检测充电通道上第四位置的电压；将第四位置的电压与基准电压进行比较，得到比较结果。
需要说明的是，为简洁，本申请实施例中在后附图中与在前附图相同的内容未一一详述，在后附图中没有着重描述的部分可参考在前附图的相关描述。
本申请实施例中，“充电路径”、“充电通道”、“充电链路”可以表示相同的含义，均可 以理解为在充电过程中电流的流向。
可选地，本申请实施例中所涉及的电子设备可以为无线耳机，例如颈挂式耳机、头戴式耳机、真无线蓝牙耳机等，还可以是手环、手表、眼镜等可穿戴设备。本申请实施例中的充电盒可以是只用于给电子设备充电的，也可以是兼具充电和收容功能的，本申请实施例不做限定。
本申请实施例提供的技术方案不限于应用于电子设备与充电盒在充电过程中时电子设备主动发起通讯的场景，还可以应用于充电过程中充电盒主动发起通讯的场景，还可以应用中电子设备之间在进行充电过程中一方想要主动发起通讯的场景，例如手表为耳机或手环充电过程中，耳机或手环想要主动发起通讯场景。
应理解，本申请实施例中所述的电子设备与充电盒之间的充电过程、以及电子设备之间的充电过程，应理解为电子设备与充电盒之间(或电子设备之间)通过触点等有线方式电连接，且电子设备与充电盒之间(或电子设备之间)的充电通道和通讯通道复用相同触点，使用开关切换充电通道和通讯通道。这些场景下均可以应用本申请提供的充电控制方法，实现充电时的通讯，能够提升充电过程的连续性，可以缩短电子设备充满电的时间。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”“相连”“连接”应做广义理解，例如可以是固定连接，也可以是可拆卸连接，或一体式连接；可以是机械连接，也可以是电连接；可以是直接连接，也可以是通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中具体含义。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (34)

  1. 一种电子系统，包括电子设备和充电盒，其特征在于，所述电子设备包括第一充电通道、第一通讯通道、第一处理器、通知模块和第一触点；所述充电盒包括第二充电通道、第二通讯通道、第二处理器、检测模块和第二触点；
    其中：
    所述第一充电通道，用于从所述充电盒接收充电信号，为所述电子设备充电；
    所述第一通讯通道，用于与所述充电盒通讯，所述第一通讯通道和所述第一充电通道通过所述第一触点和所述第二触点，与所述充电盒电连接；
    所述通知模块，用于在所述第一处理器的控制下，改变流过所述第一触点的电流或改变所述第一触点的电压；
    所述检测模块，用于检测流过所述第二触点的电流或检测所述第二触点的电压；
    所述第二处理器，用于根据所述检测模块检测的电流或电压，从所述第二充电通道切换到所述第二通讯通道；
    所述第一处理器，用于从所述第一充电通道切换至所述第一通讯通道；
    所述电子设备通过所述第一通讯通道、所述第二通讯通道与所述充电盒通讯。
  2. 根据权利要求1所述的电子系统，其特征在于，所述第一触点包括第一正极和第一负极，所述第二触点包括第二正极和第二负极。
  3. 根据权利要求1或2所述的电子系统，其特征在于，所述电子设备还包括第一开关模块，所述第一通讯通道和所述第一充电通道通过所述第一开关模块与所述第一触点连接和/或断开。
  4. 根据权利要求3所述的电子系统，其特征在于，所述第一开关模块为场效应MOS管、三极管、可控硅、或者实现开关功能的集成电路。
  5. 根据权利要求1至4中任一项所述的电子系统，其特征在于，所述通知模块包括至少三端，其中：
    所述至少三端中的第一端与所述第一处理器电连接，用于接收所述第一处理器的控制信号；
    所述至少三端中的第二端与所述第一充电通道上的第一位置电连接，用于从所述第一充电通道上引出电流分支；
    所述至少三端中的第三端接地或接参考电平，用于将所述电流分支中的电流泄出。
  6. 根据权利要求1至5中任一项所述的电子系统，其特征在于，所述通知模块包括以下元器件中的任意一种：
    场效应管、晶体管、包括有场效应管和晶体管的集成电路、或者实现开关功能的集成电路。
  7. 根据权利要求6所述的电子系统，其特征在于，所述通知模块包括所述场效应管时，所述场效应管的栅极与所述第一处理器电连接，所述场效应管的源极接地，所述场效应管的漏极与所述第一触点电连接。
  8. 根据权利要求1至4中任一项所述的电子系统，其特征在于，所述通知模块包括 至少三端，其中：
    所述至少三端中的第一端与所述第一电池电连接，用于从所述第一电池获取电压；
    所述至少三端中的第二端与所述第一触点电连接，用于将所述电压施加于所述第一触点；
    所述至少三端中的第三端与所述第一处理器电连接，用于接收所述第一处理器的控制信号。
  9. 根据权利要求1至8中任一项所述的电子系统，其特征在于，所述充电盒还包括第二开关模块，所述第二通讯通道和所述第二充电通道通过所述第二开关模块与所述第二触点连接和/或断开。
  10. 根据权利要求9所述的电子系统，其特征在于，所述第二开关模块为MOS管、三极管、可控硅、或者实现开关功能的集成电路。
  11. 根据权利要求1至10中任一项所述的电子系统，其特征在于，所述检测模块包括至少三端，其中：
    所述至少三端中的第一端和第二端与所述第二充电通道上的第二位置和第三位置电连接，用于获取所述第二位置与所述第三位置之间的电流或电压变化；
    所述至少三端中的第三端与所述第二处理器电连接，用于向所述第二处理器发送所述检测模块的检测结果。
  12. 根据权利要求1至10中任一项所述的电子系统，其特征在于，所述检测模块包括至少三端，其中：
    所述至少三端中的第一端与所述第二充电通道上的第四位置电连接，用于检测所述第四位置的电压；
    所述至少三端中的第二端与基准电压电连接；
    所述至少三端中的第三端与所述第二处理器电连接，用于将所述检测模块的检测结果发送给所述第二处理器。
  13. 根据权利要求11或12所述的电子系统，其特征在于，所述检测模块包括比较器、运算放大器、具有放大电流或电压功能的集成电路、或者具有检测电流或电压功能的集成电路。
  14. 根据权利要求1至13中任一项所述的电子系统，其特征在于，所述电子设备为无线耳机。
  15. 一种电子设备，其特征在于，包括：
    充电通道，用于从充电盒接收充电信号，为所述电子设备充电；
    通讯通道，用于与所述充电盒通讯，所述通讯通道和所述充电通道通过触点与所述充电盒电连接；
    通知模块，用于在处理器的控制下，改变流过所述触点的电流或改变所述触点的电压；
    处理器，用于在所述充电盒为所述电子设备充电的过程中，从所述充电通道切换到所述通讯通道，所述电子设备与所述充电盒通讯。
  16. 根据权利要求15所述的电子设备，其特征在于，所述电子设备还包括开关模块，所述通讯通道和所述充电通道通过所述开关模块与所述触点连接和/或断开。
  17. 根据权利要求16所述的电子设备，其特征在于，所述开关模块为MOS管、三极 管、可控硅、或者实现开关功能的集成电路。
  18. 根据权利要求15至17中任一项所述的电子设备，其特征在于，所述通知模块包括至少三端，其中：
    所述至少三端中的第一端与所述处理器电连接，用于接收所述处理器的控制信号；
    所述至少三端中的第二端与所述充电通道上的第一位置电连接，用于从所述充电通道上引出电流分支；
    所述至少三端中的第三端接地或接参考电平，用于将所述电流分支中的电流泄出。
  19. 根据权利要求15至18中任一所述的电子设备，其特征在于，所述通知模块包括以下元器件中的任意一种：
    场效应管、晶体管、包括有场效应管和晶体管的集成电路、或者实现开关功能的集成电路。
  20. 根据权利要求19所述的电子设备，其特征在于，所述通知模块包括所述场效应管时，所述场效应管的栅极与所述处理器电连接，所述场效应管的源极接地，所述场效应管的漏极与所述触点电连接。
  21. 根据权利要求15至17中任一项所述的电子设备，其特征在于，所述通知模块包括至少三端，其中：
    所述至少三端中的第一端与所述电子设备的电池电连接，用于从所述电池获取电压；
    所述至少三端中的第二端与所述触点电连接，用于将所述电压施加于所述触点；
    所述至少三端中的第三端与所述处理器电连接，用于接收所述处理器的控制信号。
  22. 根据权利要求15至21中任一所述的电子设备，其特征在于，所述电子设备为无线耳机。
  23. 一种充电盒，其特征在于，包括：
    充电通道，用于向电子设备传输充电信号，为所述电子设备充电；
    通讯通道，用于与所述电子设备通讯，所述通讯通道和所述充电通道通过触点与所述电子设备电连接；
    检测模块，用于检测流过所述触点的电流或检测所述触点的电压；
    处理器，用于在所述充电盒为所述电子设备充电的过程中，根据所述检测模块检测的电流或电压，从所述充电通道切换至所述通讯通道，所述充电盒与所述电子设备通讯。
  24. 根据权利要求23所述的充电盒，其特征在于，所述充电盒还包括开关模块，所述通讯通道和所述充电通道通过所述开关模块与所述触点连接和/或断开。
  25. 根据权利要求24所述的充电盒，其特征在于，所述开关模块为MOS管、三极管、可控硅、或者实现开关功能的集成电路。
  26. 根据权利要求23至25中任一项所述的充电盒，其特征在于，所述检测模块包括至少三端，其中：
    所述至少三端中的第一端和第二端与所述充电通道上的第二位置和第三位置电连接，用于获取所述第二位置与所述第三位置之间的电流或电压变化；
    所述至少三端中的第三端与所述处理器电连接，用于向所述处理器发送所述检测模块的检测结果。
  27. 根据权利要求23至26中任一项所述的充电盒，其特征在于，所述检测模块包括 至少三端，其中：
    所述至少三端中的第一端与所述充电通道上的第四位置电连接，用于检测所述第四位置的电压；
    所述至少三端中的第二端与基准电压电连接；
    所述至少三端中的第三端与所述处理器电连接，用于将所述检测模块的检测结果发送给所述处理器。
  28. 根据权利要求26或27所述的充电盒，其特征在于，所述检测模块包括比较器、运算放大器、具有放大电流或电压功能的集成电路、或者具有检测电流或电压功能的集成电路。
  29. 一种充电控制方法，其特征在于，包括：
    电子设备通过第一充电通道从充电盒接收充电信号，所述第一充电通道和第一通讯通道通过所述电子设备上的第一触点与所述充电盒电连接；
    当所述电子设备需要通过所述第一通讯通道与所述充电盒通讯时，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压；
    所述充电盒检测流过第二触点的电流或检测第二触点的电压，第二充电通道和第二通讯通道通过所述第二触点与所述电子设备电连接；
    所述充电盒根据检测到的电流或电压，从所述第二充电通道切换到所述第二通讯通道；
    所述电子设备从所述第一充电通道切换到所述第一通讯通道；
    所述电子设备通过所述第一通讯通道和所述第二通讯通道与所述充电盒通讯。
  30. 根据权利要求29所述的方法，其特征在于，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压，包括：
    所述电子设备从所述第一充电通道上增加电流分支，以改变流过所述第一触点的电流。
  31. 根据权利要求29所述的方法，其特征在于，所述电子设备改变流过所述第一触点的电流或改变所述第一触点的电压，包括：
    所述电子设备从所述电子设备的电池获取电压，并施加于所述第一触点处，以改变所述第一触点的电压。
  32. 根据权利要求29至31中任一项所述的方法，其特征在于，所述充电盒检测流过第二触点的电流或检测所述第二触点的电压，包括：
    所述充电盒检测所述第二充电通道上第二位置和第三位置之间的电流或电压变化。
  33. 根据权利要求29至31中任一项所述的方法，其特征在于，所述充电盒检测流过第二触点的电流或检测所述第二触点的电压，包括：
    所述充电盒检测所述第二充电通道上第四位置的电压；
    所述充电盒将所述第四位置的电压与基准电压进行比较，得到比较结果。
  34. 根据权利要求29至33中任一项所述的方法，其特征在于，所述电子设备为无线耳机。
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