WO2022109837A1 - Dispositif électronique, base de charge et procédé de charge - Google Patents

Dispositif électronique, base de charge et procédé de charge Download PDF

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Publication number
WO2022109837A1
WO2022109837A1 PCT/CN2020/131349 CN2020131349W WO2022109837A1 WO 2022109837 A1 WO2022109837 A1 WO 2022109837A1 CN 2020131349 W CN2020131349 W CN 2020131349W WO 2022109837 A1 WO2022109837 A1 WO 2022109837A1
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WIPO (PCT)
Prior art keywords
charging
adapter
electronic device
processing module
parameter
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PCT/CN2020/131349
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English (en)
Chinese (zh)
Inventor
田海涛
张奋伟
杨学钢
孙建杰
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2020/131349 priority Critical patent/WO2022109837A1/fr
Priority to CN202080015576.9A priority patent/CN114793480A/zh
Publication of WO2022109837A1 publication Critical patent/WO2022109837A1/fr

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    • 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

Definitions

  • the present application relates to the technical field of charging of electronic devices, and in particular, to an electronic device, a charging stand and a charging method.
  • the present application provides an electronic device, a charging stand and a charging method, which are used to realize the fast charging function of the electronic device without adding additional electrical connection terminals of the electronic device.
  • the present application provides an electronic device, which may include a power receiving port, a first optoelectronic module, and a first processing module.
  • the power receiving port is connected to the charging port of the charging base, and the power receiving port can be used to receive charging electric energy from the charging base;
  • the first processing module can be used to generate a charging command, and the charging command is used to indicate the working parameters of the adapter,
  • the adapter is used to provide the charging power to the power receiving port through the charging base; and according to the charging instruction, generate a first lighting control signal; the first lighting control signal is used to indicate the first target lighting parameter, and send the first light to the first photoelectric module.
  • Lighting control signal; the first photoelectric module can receive the first lighting control signal, and send out a first light signal according to the first target light-emitting parameter, the first light signal is transmitted to the charging base and used to indicate the charging command .
  • the first processing module of the electronic device after determining that the power receiving port is connected to the charging port of the charging stand, the first processing module of the electronic device generates a charging command, and uses the first light emission control signal to control the first photoelectric module to send the first optical signal, so as to enable charging
  • the second photoelectric module of the base determines the charging power.
  • the electronic device and the charging stand of the present application also omit the data line of the extra transmission protocol, which saves the cost, avoids the adjustment of the hardware structure of the electronic device, and also avoids the problem of corrosion of the charging connection terminal of the electronic device.
  • this design can be applied to wearable devices, such as smart watches, smart bracelets, GT watches, etc., as well as devices with PPG functions, etc.
  • the first target light-emitting parameter includes at least one of the following: flickering frequency, or illuminance.
  • flickering frequency or illuminance.
  • the operating parameters of the adapter include at least one of the following: charging voltage, charging current, adapter operating temperature range, or charging power. In this way, it is convenient for the adapter to adjust the charging voltage, charging current, or charging power, thereby realizing fast charging of the electronic device.
  • the first processing module may also generate a charging instruction, the charging instruction is used to indicate the charging protocol of the adapter; and according to the charging instruction, generate a first lighting control signal; the first lighting control signal is used to indicate the first lighting control signal. target lighting parameters; sending a first lighting control signal to the first photoelectric module; the first photoelectric module can also receive the first lighting control signal, and send a first light signal according to the first target lighting parameters.
  • the first processing module of the electronic device After determining that the power receiving port is connected to the charging port of the charging base, the first processing module of the electronic device generates a charging command, the charging command indicates the charging protocol, and the first light-emitting control signal instructs the first optoelectronic module according to the charging
  • the first target light-emitting parameter corresponding to the protocol sends out a first light signal.
  • the charging protocol is determined, so that the charging stand uses the charging protocol to communicate with the adapter.
  • the adapter charges at the charging power indicated by this charging protocol.
  • the charging instruction may be a part of the charging protocol or the identification information of the charging protocol, and may also be a step of interactively transmitting an authentication process in the charging protocol or a step of regulating voltage and current after protocol authentication.
  • the electronic device can transmit the charging protocol to the adapter through the first optical signal, thereby realizing the fast charging function of the electronic device and overcoming the technical bias.
  • the charging protocol may include any one or more of the following: QC1.0 to QC5.0, USB PD, FCP, PE, VOOC/DASH, and SCP.
  • the electronic device can send an optical signal to the charging stand coupled with the adapter supporting various types of charging protocols, so that the electronic device can receive charging from the adapter supporting various types of charging protocols.
  • the first processing module may further control the display screen to display the working parameters of the adapter or the charging protocol selection interface; in response to the user's selection operation, generate The charging instruction; in this way, the existing problem that the charging power of the electronic device is only related to the connected adapter and the user cannot set the charging power independently can be avoided.
  • the user can freely select the working parameters of the adapter on the display interface of the electronic device, and after selecting the working parameters, the first processing module sends the working parameters selected by the user to the charging stand, and the charging stand informs adapter to allow the adapter to charge at user-selected operating parameters.
  • the first processing module may generate the charging instruction according to a set rule.
  • the set rules include: the first processing module generates a charging instruction when the power of the electronic device is lower than a set threshold; or, the user can set the time for next use on the electronic device, the first The processing module determines the time difference from the current time according to the next use time, and generates a charging instruction according to the time difference, which provides a good user experience.
  • the first processing module generates a charging command within a set time period, and sets different working parameters of the adapter for different time periods, which can not only improve the charging speed, but also protect the life of the battery.
  • the first optoelectronic module may also receive a second light signal sent by the charging base, and determine a second target light-emitting parameter of the second light signal; and send the second light signal to the first processing module.
  • a notification message the first notification message is used to notify the first processing module of the second target lighting parameter; the first processing module may also, after receiving the first notification message, according to the first notification message , determine the second target lighting parameter; and determine feedback information corresponding to the second target lighting parameter, where the feedback information includes at least one of the following: the temperature of the adapter, or response information, where the response information is used for Indicates whether the adapter executes the charging instruction.
  • the switch capacitor circuit in the adapter has power loss, and the power loss will be converted into heat energy.
  • the heat energy exceeds the heat dissipation capacity that the adapter can carry, then other hardware in the adapter It may become hot or even damaged.
  • the temperature of the adapter can be sent to the electronic device in time, and when the temperature of the adapter is too high, the first processing module sends an instruction message to the power receiving port to disconnect the charging port of the charging stand, so that the The electronic device no longer receives charging from the adapter, ensuring the safety of the adapter and the electronic device.
  • the electronic device can also receive the response information sent by the adapter through the charging stand in time, and can re-adjust the charging power when the adapter cannot be charged with the charging power indicated by the electronic device, so as to improve the charging speed of the electronic device as much as possible.
  • the first optoelectronic module is a photoplethysmography PPG sensor.
  • the wearable device can transmit the working parameters of the adapter or the charging protocol through the PPG sensor and the light-emitting method of the PPG sensor, so as to realize the fast charging function of the wearable device, and no redundant data lines are required, thus avoiding the need for hardware of the wearable device.
  • the structure is modulated, and problems such as corrosion of the connector terminals of the charging cable are also avoided. It can meet the requirements of fast charging, low cost and high safety performance required by wearable devices.
  • the present application provides a charging stand.
  • the charging stand includes: a charging port, an interface, a second optoelectronic module and a second processing module.
  • the interface can be coupled with an adapter to receive charging power from the adapter;
  • the charging port can be connected to a power receiving port of an electronic device and provide charging power to the electronic device;
  • the second photoelectric module can receive the first electrical energy sent by the electronic device.
  • the optical signal and determine the first target lighting parameter of the first optical signal
  • send a second notification message to the second processing module the second notification message is used to notify the first target lighting parameter
  • the second processing module can receive the second notification message , according to the second notification message, determine the first target lighting parameter, and determine the charging command corresponding to the first target lighting parameter, the charging command is used to indicate the working parameters or charging protocol of the adapter; the interface is also used to send the charging command to the adapter.
  • the first target light-emitting parameter includes at least one of the following: flickering frequency, or illuminance.
  • the operating parameters of the adapter include at least one of the following: charging voltage, charging current, adapter operating temperature range, or charging power.
  • the second processing module may also receive feedback information sent by the adapter, where the feedback information includes at least one of the following: the temperature of the adapter, or response information, where the response information uses is used to indicate whether the adapter executes the charging command; according to the feedback information, a second lighting control signal is generated; the second lighting control signal is used to indicate the second target lighting parameter corresponding to the feedback information; The module sends the second lighting control signal; sends a second light signal according to the second target lighting parameter, and the second light signal is transmitted to the electronic device and used to indicate the feedback information.
  • the feedback information includes at least one of the following: the temperature of the adapter, or response information, where the response information uses is used to indicate whether the adapter executes the charging command; according to the feedback information, a second lighting control signal is generated; the second lighting control signal is used to indicate the second target lighting parameter corresponding to the feedback information;
  • the module sends the second lighting control signal; sends a second light signal according to the second target lighting parameter, and the second light signal is transmitted to the electronic device
  • the present application provides a charging method, which is applied to the electronic device of the first aspect of the present application.
  • the method includes: generating a charging instruction, where the charging instruction is used to indicate a working parameter or a charging protocol of the adapter;
  • the charging instruction generates a first light-emitting control signal; according to the first target light-emitting parameter indicated by the first light-emitting control signal, a first light signal is sent, and the first light signal is transmitted to the charging stand and used to indicate the the charging command.
  • the present application provides a charging method, which is applied to the charging stand according to the second aspect of the present application.
  • the method includes: receiving a first optical signal sent by an electronic device, and determining a first target of the first optical signal lighting parameters; determining a charging instruction corresponding to the first target lighting parameter, where the charging instruction is used to indicate the working parameters or charging protocol of the adapter; sending the charging instruction to the adapter.
  • FIG. 1A is a schematic diagram of charging a charging stand and an electronic device
  • 1B is a schematic diagram of an electronic device
  • Figure 1C is a schematic diagram of the working principle of the PPG sensor
  • FIG. 2 is a schematic diagram of a charging stand
  • 3A is a schematic diagram of a module of an electronic device and a charging stand
  • 3B is a schematic flow chart of the electronic device transmitting the working parameters of the adapter to the adapter through the charging stand;
  • 3C is a schematic diagram of a user selecting different charging power options on a display screen of an electronic device
  • 3D is a schematic diagram of a user inputting the next use time on the display screen of the electronic device
  • FIG. 4 is a schematic flowchart of the electronic device transmitting the charging protocol to the adapter through the charging base;
  • FIG. 5 is a schematic flowchart of an adapter transmitting feedback information to an electronic device through a charging stand
  • FIG. 6 is a schematic structural diagram of a smart watch and a charging stand
  • FIG. 7 is a schematic diagram of a charging device.
  • Photoplethysmogram is an optical technique derived from the acquisition of cardiac function information without measuring bioelectrical signals, and is a type of non-invasive measurement. With each heartbeat, the arterial blood fills the soft tissue, causing the skin to become hyperemic. This hyperemia causes changes in the intensity of light passing through the tissue. By measuring the intensity of the emitted light, the relevant functions of the heart are measured.
  • PPG has transmission type and emission type, and wearable devices are multi-purpose emission type. Its optical system is mainly composed of a light source (light emitting diode LED) and a photoelectric detector (PD). In this embodiment, the PPG sensor is used, and the PPG measurement technology similar to the biological or medical field is adopted to detect the light signal.
  • the pogo pin structure is a spring-type probe formed by riveting the three basic components of the needle shaft, the spring and the needle tube by a precision instrument. There is a precise spring structure inside.
  • the surface coating of pogo pin is generally gold-plated to better improve its anti-corrosion function, mechanical properties, electrical properties, etc.
  • the needle tip has a sharp needle, a grasping needle, a round needle, a knife needle, and the like.
  • the pogo pin structure is generally used in precision connections in electronic products such as mobile phones, wearable devices, communications, automotive, medical, aerospace and other electronic products, which can improve the corrosion resistance, stability and durability of these connectors. Since pogo pin is a very fine probe, it can be used in precision connectors to reduce the weight of the connector and the volume of its appearance, which can make the connector more fine and beautiful.
  • Adapter also known as external power supply, is a power supply voltage conversion device for small portable electronic equipment and electronic appliances.
  • Common adapters include: adapters for small electronic products such as mobile phones, LCD monitors, and notebook computers.
  • the adapter may also include a fast charging chip, which can convert the 5V/9V/12V voltage of the adapter into the voltage of the battery, etc., At the same time, the battery is charged precisely and controllably according to the required charging current.
  • the battery charging specification (BC) 1.2 protocol in which the BC1.2 protocol specifies that the USB interface mainly has the following three types: standard downstream port (SDP), dedicated charging port (dedicated charging port) port, DCP) and charge downstream port (charge downstream port, CDP).
  • SDP standard downstream port
  • DCP dedicated charging port
  • CDP charge downstream port
  • At least one involved in the embodiments of the present application includes one or more; wherein, multiple refers to greater than or equal to two.
  • words such as “first” and “second” are only used for the purpose of distinguishing the description, and should not be understood as indicating or implying relative importance, nor should it be understood as indicating or implied order.
  • Coupled in the embodiments of the present application refers to an energy transfer relationship.
  • a and B are coupled, which means that A and B can transfer energy or transfer data.
  • energy there are many specific forms of energy. possible, such as electrical energy, magnetic field potential energy, etc.
  • electrical energy can be transferred between A and B, it is reflected in the circuit connection relationship, that is, A and B can be electrically connected directly or indirectly through other conductors or circuit elements.
  • magnetic field potential energy can be transferred between A and B, it is reflected in the circuit connection relationship that electromagnetic induction can occur between A and B, so that the magnetic field potential energy can be transferred from A to B.
  • Magnetic coupling can be used to specifically refer to a scenario where energy can be transferred between A and B through a magnetic field.
  • references in this specification to "one embodiment” or “some embodiments” and the like mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application.
  • appearances of the phrases “in one embodiment,” “in some embodiments,” “in other embodiments,” “in other embodiments,” etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless specifically emphasized otherwise.
  • the terms “including”, “including”, “having” and their variants mean “including but not limited to” unless specifically emphasized otherwise.
  • the electronic device provided by the embodiment of the present application may be a wearable electronic device, such as a watch, a wristband, a headset, a helmet (such as a virtual reality (VR) helmet), etc., or a non-wearable electronic device, such as a PPG Detection of functional portable electronic devices, such as mobile phones, tablets, laptops, etc.
  • a wearable electronic device such as a watch, a wristband, a headset, a helmet (such as a virtual reality (VR) helmet), etc.
  • a non-wearable electronic device such as a PPG Detection of functional portable electronic devices, such as mobile phones, tablets, laptops, etc.
  • Exemplary embodiments of portable electronic devices include, but are not limited to, carry-on Or portable electronic devices with other operating systems. It should be understood that the above-mentioned electronic device may not be a portable electronic device, but a desktop computer capable of PPG detection, or the like, or other electronic devices with optoelectronic modules, which are not limited
  • 1A is a schematic diagram of an electronic device using a traditional charging method.
  • the adapter charges the electronic device through a charging stand, and the adapter cannot adjust its working parameters during the charging process.
  • the electronic device and the adapter cannot exchange messages about the working parameters of the adapter or the charging protocol. Therefore, the electronic device cannot control the adapter, the output power of the adapter cannot be dynamically adjusted, and the output voltage of the adapter is the default voltage (5V), which results in a very long charging time for these electronic devices.
  • the present application proposes an electronic device and a charging stand, which can realize the fast charging function of the electronic device without adding additional electrical connection terminals of the electronic device.
  • FIG. 1B shows a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the electronic device 100 may include an input unit 101 , an output unit 102 , a processor 103 and a memory 104 .
  • the functions of each component in the electronic device 100 will be described below.
  • the input unit 101 can detect various types of input signals (may be abbreviated as: input), and the output unit 102 can provide various types of output information (may be abbreviated as: output).
  • the processor 103 may receive an input signal from the input unit 101 , and in response to the input signal, generate output information, which is output through the output unit 102 .
  • the input unit 101 can detect various types of input signals, and send the detected input signals to the processor 103.
  • the input unit 101 may include any component or component capable of detecting an input signal.
  • the input unit 101 may include a photoelectric module 101A, a pressure sensor 101B, a bioimpedance zinvasion (Bio-z) sensor 101C, Capacitance sensor 101D, acceleration sensor 101E, and the like.
  • the input unit 101 in the electronic device 100 may also include more or fewer devices.
  • the input unit 101 further includes at least one of the following: an audio sensor (such as a microphone), an optical or visual sensor (such as a camera, a visible light sensor or an invisible light sensor), a proximity light sensor, a touch sensor, a mechanical component ( For example, buttons or keys, etc.), vibration sensors, motion sensors (also known as inertial sensors, such as gyroscopes, accelerometers, or speed sensors, etc.), location sensors (eg, global positioning system GPS), temperature sensors, or use Other components with the same or similar functions can replace the above-mentioned sensors, etc., which are not limited in the embodiments of the present application.
  • an audio sensor such as a microphone
  • an optical or visual sensor such as a camera, a visible light sensor or an invisible light sensor
  • a proximity light sensor such as a touch sensor
  • a mechanical component For example, buttons or keys, etc.
  • vibration sensors also known as inertial sensors, such as
  • the optoelectronic module 101A may contain light emitting components (eg, photodiodes) and light receiving components (eg, light detection sensors). Wherein, the light emitting component is used for emitting light signal, and the light receiving component is used for detecting the light signal outside the electronic device 100, and determining the flickering frequency and illuminance of the light signal.
  • light emitting component eg, photodiodes
  • light receiving components eg, light detection sensors
  • the optoelectronic module 101A may also be a PPG sensor.
  • the PPG sensor is specifically used to detect the heart rate, that is, to detect the number of heartbeats of the user within a unit time (within one minute).
  • FIG. 1C is a schematic diagram of the working principle of the PPG sensor.
  • the PPG sensor can convert electrical signals into optical signals
  • the light emitting component irradiates the light signal to the target object
  • the light receiving component receives the light signal reflected by the target object to detect the target object.
  • the target object as a human body (such as a blood vessel)
  • the optical signal is reflected/refracted in the human body, and the reflected/refracted light is received by the light receiving component to obtain the reflected optical signal.
  • the arterial blood fills the soft tissue to make the skin hyperemia, which makes the light transmittance of the blood vessels change, so the emitted/refracted light changes, and the final light signal detected by the PPG sensor also changes.
  • the light emitting part on the PPG sensor After the light emitting part on the PPG sensor receives the reflected/refracted light, it can record the number of received reflected/refracted light or the illuminance, so as to finally determine the user's heart rate.
  • the optoelectronic module 101A can emit light signals with different illuminances and/or different flickering frequencies through the light emitting components, so as to realize the transmission of different messages/data.
  • the electronic device 100 controls the photoelectric module 101A to emit light signals with different illuminances or different flickering frequencies to indicate different charging powers, that is, the electronic device 100 sends the charging commands indicating different working parameters of the adapter to the charging stand in the form of light signals.
  • the optoelectronic module 101A in the electronic device 100 can also detect the illuminance and/or flicker frequency of light signals emitted by other devices, and send the detected illuminance and/or flicker frequency to the processor 103, so that the processor 103 Determine the operating parameters corresponding to the illuminance and/or the flickering frequency.
  • the charging base may be in the form of a shell or a box, which is used to place the electronic device, and the specific form of the charging base is not limited in this embodiment.
  • the electronic device is a wearable device, such as an earphone
  • the charging stand is a box in which the earphone is placed.
  • the output unit 102 may provide various types of output signals.
  • the output unit 102 may receive an output instruction from the processor 103 and provide an output signal corresponding to the output instruction.
  • Output unit 102 may include any suitable components or assemblies for providing output.
  • the output unit 102 may include audio output components (eg, speakers), visual output components (eg, light emitting diodes, display screens), tactile output components, communication components (eg, wired or wireless communication modules), and the like.
  • the display screen can be a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active matrix organic light-emitting diode or an active matrix Organic light emitting diodes (active-matrix organic light emitting diodes, AMOLED), flexible light emitting diodes (flex light-emitting diodes, FLED), Miniled, MicroLed, Micro-oLed, quantum dot light emitting diodes (quantum dot light emitting diodes, QLED), etc.
  • a touch sensor may be provided in the display screen to form a touch screen, which is not limited in the embodiments of the present application.
  • a touch sensor is used to detect touch operations on or near it.
  • the touch sensor may transmit the detected touch operation to the processor 103 to determine the event type of the touch.
  • the communication part may use an antenna, a wireless communication module or a mobile communication module to implement a communication function.
  • the antenna can be used to transmit and receive electromagnetic wave signals, and the mobile communication module can provide a wireless communication solution including 2G/3G/4G/5G applied on the electronic device 100 .
  • the wireless communication module can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) network), Bluetooth (BT), global navigation satellite system (global navigationatellite system, GNSS), frequency modulation (frequency modulation, FM), near field communication technology (near field communication, NFC), infrared technology (infrared, IR) and other wireless communication solutions.
  • WLAN wireless local area networks
  • BT wireless fidelity
  • GNSS global navigation satellite system
  • FM frequency modulation
  • NFC near field communication technology
  • infrared technology infrared, IR
  • the mobile communication module may also be coupled to the antenna.
  • the mobile communication module can receive electromagnetic waves from an antenna, filter and amplify the received electromagnetic waves to obtain electrical signals, and transmit them to the processor 103 for processing (for example, the processor 103 determines whether to provide corresponding outputs in response to the electrical signals) .
  • the mobile communication module can also amplify the signal processed by the processor 103, and convert it into electromagnetic waves for radiation through the antenna.
  • the wireless communication module may also be coupled with an antenna, and the wireless communication module may receive electromagnetic waves from the antenna, filter and amplify the received electromagnetic waves, and transmit them to the processor 103 for processing.
  • the wireless communication module can also amplify the signal processed by the processor 103, and then convert it into electromagnetic waves for radiation through the antenna.
  • the photoelectric module 101A can serve as the output unit 102 to emit light signals to the outside, and can also serve as the input unit 101 to detect the flickering frequency and illuminance of the external light signals.
  • a touch screen which can not only serve as the output unit 102 to display a user interface, but also serve as the input unit 101 to detect a user's touch operation, and transmit the detected touch operation to the processor 103 .
  • a communication component which can be used as the output unit 102 to transmit electromagnetic wave signals to the outside, and can also be used as the input unit 101 to filter and amplify the received electromagnetic waves to obtain electrical signals.
  • the processor 103 may include one or more processing units, for example, the processor 103 may include an application processor (application processor, AP), a modem processor, a graphics processor (graphics processing unit, GPU), an image signal processor (image signal processor, ISP), controller, memory, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU) Wait. Wherein, different processing units may be independent devices, or may be integrated in one or more processors.
  • the controller may be the nerve center and command center of the electronic device 100 . The controller can generate an operation control signal according to the instruction operation code and timing signal, and complete the control of fetching and executing instructions.
  • a memory may also be provided in the processor 103 for storing instructions and data.
  • the memory in processor 103 is a cache memory. This memory may hold instructions or data that have just been used or recycled by the processor 103 . If the processor 103 needs to use the instruction or data again, it can be directly called from the memory, which avoids repeated access, reduces the waiting time of the processor 103, and thus improves the efficiency of the system.
  • the processor 103 may run the software code/module of the charging method provided by the embodiment of the present application, so as to realize the transmission of the charging instruction between the electronic device 100 and the adapter.
  • Memory 104 may be used to store computer-executable program code, which includes instructions.
  • the memory may include high-speed random access memory, and may also include non-volatile memory, for example, at least one magnetic disk storage device, flash memory device, universal flash storage (universal flash storage, UFS), etc., which are not limited in the embodiments of the present application.
  • the electronic device 100 may store the working parameters or charging protocol of the adapter in the memory 104, and transmit the working parameters or charging protocol of the adapter to other devices (such as a charging stand) in the form of optical signals through the PPG sensor 101A. superior.
  • the electronic device 100 may further include an electrode group, and the electrode group may serve as the power receiving port 105 of the electronic device 100 .
  • each electrode group may include at least two electrodes.
  • the electrode group may be disposed on the outer surface (eg, the back or the side) of the electronic device 100 .
  • the power receiving port 105 may be used to connect with a charging port of a charging stand, so as to receive charging power from the charging stand.
  • FIG. 1B an electrode group formed by electrodes 105A and 105B is taken as an example.
  • the electrodes in the electrode group can be made of conductive materials (or electrode materials), wherein the conductive materials can be metal materials (such as copper, aluminum, iron, cobalt, nickel, etc.), alloy materials (chromium-copper alloy), metal oxides (oxide Any materials with electrical conductivity, such as aluminum copper, etc.), composite metals, etc., are not limited in the embodiments of the present application.
  • the thickness of the electrodes can be designed to be thinner, for example, a physical vapor deposition (PVD) coating method (also referred to as PVD deposition method) can be used. Thinner electrodes are formed by coating the outer surface of electronic device 100 with a thin film material, such as one or more of the electrode materials listed above.
  • PVD physical vapor deposition
  • the electrode set may also provide the electronic device 100 with the function of displaying an electrocardiogram (ECG).
  • ECG electrocardiogram
  • the electronic device 100 can provide an ECG function, that is, the electronic device 100 can determine the ECG signal according to the electrical signal on the electrode set.
  • ECG electrocardiogram
  • the electronic device 100 may further include a power supply module, such as a battery, for powering various components in the electronic device 100 , such as the input unit 101 , the output unit 102 , and the processor 103 .
  • a power supply module such as a battery
  • the electronic device 100 may also be connected to a charging base through an interface, so that the power supply module may receive charging power from the charging base to store power for the battery of the electronic device 100 .
  • FIG. 2 shows a schematic structural diagram of a charging stand provided by an embodiment of the present application.
  • the charging stand 200 may also include an input unit 201 , an output unit 202 , a processor 203 and a memory 204 .
  • the specific input unit 201 , output unit 202 , processor 203 and memory 204 are based on the same inventive concept as the same components in the embodiment shown in FIG. 1B .
  • the charging base 200 may further include a charging port 205 , and the charging port 205 of the charging base 200 can provide charging power to the electronic device 100 .
  • the charging base 200 and the adapter can be coupled by direct or indirect electrical connection, so as to transmit charging power; or magnetic coupling can be used to make the connection between the adapter and the charging base 200 occur.
  • Electromagnetic induction using magnetic field to transfer charging power, that is, using wireless charging to connect.
  • the charging stand 200 further includes an interface 206, and the interface 206 is used for wired connection with the adapter.
  • the processor 203 of the charging stand 200 detects and identifies the type of the adapter, the processor 203 configures charging parameters for the charging port 205 and starts charging. .
  • the adapter can be used to convert the AC voltage signal of the commercial power into a DC output potential to charge the electronic device 100 through the interface 206 and the charging port 205 .
  • the charging stand 200 and the adapter may be connected by a USB on the go (OTG) cable, and the USB OTG cable may include an A terminal and a B terminal. The user can connect the A end of the USB OTG line with the interface 206 of the charging stand 200, and connect the B end of the USB OTG line with the USB interface of the adapter.
  • OTG USB on the go
  • the adapter can output power from the B end to the A end of the USB OTG line, and the power received by the A end of the USB OTG line is transmitted to the charging port 205, and passes through the charging port 205 and the power receiving port.
  • 105 is connected to charge the electronic device 100 .
  • the A terminal and the B terminal of the USB OTG line may include a ground (GND) pin, a trigger pin, a data positive (DP) pin, a data negative (DM) pin, and Power supply bus (VBUS) pin.
  • the DP pin can also be called the D+ pin
  • the DM pin can also be called the D- pin.
  • the interface 206 on the charging stand 200 can be a conventional USB interface such as a Micro USB interface, USB Type C, etc.
  • the trigger pin can be the identification (ID) pin of the Micro USB interface.
  • the trigger pin can be the control (CC) pin.
  • the specific implementation of the trigger pin is determined by the specific type of the interface 206 , which is not limited in this embodiment of the present application. It should be pointed out that the shape of the USB OTG line in the embodiment of the present application can be either a linear shape or a non-linear shape such as a square or a circle. The embodiment of the present application does not limit the shape of the USB OTG line too much.
  • the charging base 200 When the charging base 200 and the adapter transmit charging power through magnetic coupling, the charging base 200 further includes an induction coil 207 .
  • a changing current is produced by the coils in the adapter, which in turn creates a magnetic field.
  • the induction coil 207 of the charging base can generate an induced current to realize the transmission of charging power.
  • the processor 203 may be a main control chip or a part of the main control chip of the charging stand 200, and the main control chip is responsible for detecting the access of the adapter, and according to the access condition of the adapter Process the charging logic and control the charging port 205 for charging.
  • the charging stand 200 and the adapter may be of separate designs, and the charging stand 200 may be coupled with different adapters.
  • the charging base 200 and the adapter may be designed in an integrated manner, that is, the charging base 200 has the function of the adapter, or the adapter is designed into the charging base 200,
  • the charging stand 200 can directly convert the AC voltage signal of the commercial power into a DC output potential, and charge the electronic device 100 through the charging port 205 .
  • FIG. 3A shows a schematic diagram of a charging scenario provided by an embodiment of the present application.
  • the charging scene includes the electronic device 300 , the charging stand 310 , and the adapter 320 .
  • the electronic device 300 is connected to the charging base 310 , that is, the power receiving port 301 of the electronic device 300 and the charging port 311 of the charging base 310 are electrically connected.
  • the adapter 320 supplies power to the electronic device 300 through the charging stand 310 .
  • the electronic device 300 and the charging base 310 can be in contact with each other by means of magnetic attraction, snapping, etc., so as to ensure the stability of the connection. It should be noted that FIG.
  • 3A takes the electronic device 300 located on the upper layer of the charging stand 310 as an example. It can be understood that the electronic device 300 may also be located on the lower layer of the charging stand 310, that is, the charging stand 310 faces downwards and the back faces upwards. The charging stand 310 on the upper layer charges the electronic device 300 on the lower layer.
  • the electronic device 300 may include: a power receiving port 301 , a first processing module 302 and a first optoelectronic module 303
  • the charging stand 310 may include: a charging port 311 , a second processing module 312 , The second optoelectronic module 313 .
  • the charging stand 310 is coupled with the adapter 320 .
  • the first optoelectronic module 302 may be a PPG sensor.
  • the working principle of the PPG sensor can refer to the working principle of the biological and medical fields, and is slightly adjusted according to the actual use requirements to realize the emission of optical signals.
  • the functions of each module in the electronic device 300 are first introduced below.
  • the power receiving port 301 is used for connecting with the charging port 311 of the charging base 310, and receiving charging power from the charging base 310;
  • the first processing module 302 is used for generating a charging instruction, and the charging instruction is used to indicate The working parameters or charging protocol of the adapter 320, the adapter 320 is used to provide the charging power to the power receiving port 301 through the charging base 310; and according to the charging instruction, generate a first lighting control signal,
  • the first lighting control signal is used to indicate a first target lighting parameter;
  • the first lighting control signal is sent to the first photoelectric module 303;
  • the first photoelectric module 303 is used to receive the first lighting control signal, and send out a first light signal according to the first target light-emitting parameter, the first light signal is transmitted to the charging base and used to instruct the charging command.
  • the charging stand is coupled to the adapter 320, and receives charging power from the adapter 320; the charging port 311 is used to connect with the power receiving port 301 of the electronic device 300, and provide the electronic device 300 with the charging power;
  • the second photoelectric module 313 is configured to receive the first optical signal sent by the electronic device 300 and determine the first target lighting parameter of the first optical signal; send a second notification to the second processing module 312 message, the second notification message is used to notify the second processing module 312 of the first target lighting parameter of the first optical signal; the second processing module 312 is used to notify the second notification message according to the second notification message , determine the first target lighting parameter, and determine a charging command corresponding to the first target lighting parameter, where the charging command is used to indicate the working parameter or charging protocol of the adapter 320 .
  • the first processing module 302 generates a charging instruction, and generates a first lighting control signal according to the charging instruction.
  • the charging instruction is used to indicate the working parameters of the adapter 320 .
  • the operating parameters of the adapter 320 include at least one of the following: charging voltage, charging current, adapter operating temperature range, or charging power.
  • the first processing module 302 may determine the working parameters of the adapter 320 in various ways.
  • the following description takes the working parameter of the adapter 320 as the charging power as an example for description.
  • the charging power of the adapter 320 may be determined by, but not limited to, the following methods.
  • the electronic device 300 further includes a display screen, and the first processing module 302 is specifically configured to: control the display screen of the electronic device 300 to display a charging power selection interface, and determine the charging power in response to a user's selection operation.
  • a touch sensor is provided on the display screen, and when a user's touch operation acts on the display screen, the first processing module 302 detects the position touched by the user through the touch sensor, thereby determining different operation instructions.
  • the first processing module 302 of the electronic device 300 may control the display screen to display a charging power selection interface according to a user's operation or background calculation, and the charging power selection interface displays a charging power list.
  • the first processing module 302 may determine the charging power of the adapter 320 selected by the user on the charging power list according to the user's operation on the display screen of the electronic device 300 .
  • FIG. 3C is a schematic diagram of a user selecting different charging power options on a display screen of an electronic device.
  • the first processing module 302 detects that the user clicks and selects the 20W charging power option in the charging power list on the charging power selection interface, a charging instruction is generated for indicating that the charging power of the adapter 320 is 20W.
  • the first processing module 302 may also determine different charging powers of the adapter 320 according to different gesture operations performed by the user on the electronic device 300 .
  • the first processing module 302 determines the charging power according to the set charging power determination rule.
  • the electronic device 300 stores a plurality of corresponding relationships between battery power ranges and the charging power of the adapter 320 .
  • the first processing module 302 can determine that the charging power of the adapter 320 is the charging power corresponding to the target battery power range according to the target battery power range in which the current battery power is located.
  • the first processing module 302 determines that the charging power of the adapter 320 is 15W.
  • the first processor module 302 determines that the charging power of the adapter 320 is 20W.
  • the charging power of the adapter 320 is higher, so when the battery power of the electronic device 300 is low, the charging speed of the electronic device 300 is accelerated by increasing the charging power.
  • the corresponding relationship between the battery power range and the charging power of the adapter 320 in the embodiment of the present application may be either preset in the electronic device 300 or user-defined, which is not limited here.
  • the electronic device 300 stores the correspondence between different time differences and the charging power of the adapter 320 , where the time difference is the time difference between the current time and the next use time input by the user.
  • the first processing module 302 controls the display screen of the electronic device 300 to display the next usage time input interface, and responds to the user detecting the user's touch by the touch sensor. position, so as to determine the next usage time input by the user, so as to determine the charging power of the adapter 320.
  • the first processing module 302 determines the time difference according to the current time and the next usage time input by the user.
  • the charging power of the adapter 320 is calculated according to the time difference.
  • FIG. 3D is a schematic diagram of the user inputting the next usage time on the display screen of the electronic device.
  • the first processing module 302 detects that the next use time input by the user in the next use time input interface is 12:30, the time difference is determined to be 30 minutes according to the current time and the next use time, so The first processor module 302 determines that the charging power of the adapter 320 is 20W. The shorter the time difference is, the higher the charging power of the adapter 320 is. In this way, the first processing module 302 can flexibly set the charging power of the adapter 320 according to the user's next use time. When the electronic device 300 is used, the charging speed of the electronic device 300 can be accelerated, and the user experience can be improved.
  • the electronic device 300 stores a plurality of corresponding relationships between charging time periods and the charging power of the adapter 320 .
  • the first processing module 302 can determine the charging power of the adapter 320 to be the charging power corresponding to the target time period according to the target time period in which the current time is located. For example, if the current charging period is within the first 10 minutes of charging, the first processor module 302 determines that the charging power of the adapter 320 is 10W; when the current charging period is within 10 to 20 minutes of charging, the The first processor module 302 determines that the charging power of the adapter 320 is 15W; after the current charging period is 20 minutes of charging, the first processor module 302 determines that the charging power of the adapter 320 is 20W.
  • the correspondence between the plurality of charging periods and the charging power of the adapter 320 in this embodiment of the present application may be either preset in the electronic device 300 or user-defined, which is not limited here.
  • the working temperature range of the adapter 320 can be used to indicate the working temperature of the adapter 320.
  • the adapter 320 will no longer charge the electronic device 300.
  • the first processing module 302 generates a first lighting control signal after determining the charging instruction.
  • the first lighting control signal is used to instruct the first photoelectric module 303 to emit light according to the first target lighting parameter corresponding to the charging instruction.
  • the first lighting control signal is used to indicate the first target lighting parameter
  • the first target lighting parameter includes at least one of the following: flickering frequency or illuminance.
  • the first target lighting parameter may be determined by, but not limited to, the following manner: wherein the electronic device 300 stores a plurality of corresponding relationships between charging instructions and lighting parameters.
  • the first processing module 302 determines the first target lighting parameter in the table according to the charging instruction. See Table 1 and Table 2 below for an example. Among them, Table 1 is a relationship table of different illuminance corresponding to different charging voltages, and Table 2 is a relationship table of different flicker frequencies corresponding to different charging voltages.
  • the electronic device 300 can also save the correspondence between the combination of multiple lighting parameters and the working parameters of the adapter. corresponding parameters.
  • the first processing module 302 sends a first lighting control signal to the first optoelectronic module 303 .
  • the first lighting control signal is used to indicate the first target lighting parameter.
  • the first target light-emitting parameter may include at least one of the following: flickering frequency or illuminance, and the like.
  • the first target light-emitting parameter may further include: the current magnitude of the light-emitting diode. Specifically, the greater the current of the light-emitting diode, the greater the illuminance of the light-emitting diode.
  • the first optoelectronic module 303 sends a first light signal according to the first target light-emitting parameter indicated by the first light-emitting control signal. After receiving the first lighting control signal, the first photoelectric module 303 drives the light emitting component in the first photoelectric module 303 to emit the first light according to the first target lighting parameter indicated by the first lighting control signal. Signal.
  • the first optical signal may be continuously sent out during the charging process of the adapter 320 being received by the power receiving port 301, or may be sent out every preset time, which is not limited here.
  • the second optoelectronic module 313 determines the first target lighting parameter of the first optical signal.
  • the second optoelectronic module 313 includes a light receiving component, and the light receiving component detects the first target light-emitting parameter of the first light signal according to the received first light signal.
  • the second optoelectronic module 313 sends a second notification message to the second processing module 312 according to the first target lighting parameter.
  • the second notification message is used to notify the second processing module 312 of the first target lighting parameter of the first optical signal.
  • the second processing module 312 receives the second notification message, determines the first target lighting parameter according to the second notification message, and determines the charging instruction corresponding to the first target lighting parameter.
  • the second notification message includes the first target lighting parameter, and the second processing module 312 may determine the corresponding charging instruction according to the first target lighting parameter.
  • the charging stand 310 can also store the corresponding relationship between the combination of a plurality of lighting parameters and the working parameters of the adapter.
  • the table is the same as the stored correspondence of the electronic device 300 . Therefore, the second processing module 312 can also determine the working parameters of the adapter 320 according to the first target lighting parameters; and then generate the charging instruction according to the working parameters of the adapter 320 .
  • the second processing module 312 may also determine a charging protocol corresponding to the operating parameters of the adapter 320 according to the operating parameters of the adapter 320, and determine the charging instruction according to the charging protocol. Specifically, a charging protocol table in which the working parameters of the adapter 320 correspond to the charging protocol is stored in the charging stand 310 . The second processing module 312 determines a charging protocol corresponding to the received operating parameters of the adapter 320 in the charging protocol table.
  • the second processing module 312 determines that the working parameter of the adapter 320 according to the first target lighting parameter is that the charging current is 2 (A) and the charging voltage is 9 (V)
  • the FCP fast charger protocol, fast charger protocol
  • the FCP is determined as the charging instruction corresponding to the determination of the first target light-emitting parameter.
  • the charging stand 310 sends the charging instruction to the adapter 320.
  • the second processing module 312 may first encrypt the sent charging command by means of a cyclic redundancy check (CRC), or a parity check, etc.
  • CRC cyclic redundancy check
  • the charging instruction is sent to the adapter 320, so that the adapter 320 charges the electronic device 300 according to the charging instruction after decryption, so as to ensure the transmission safety of the charging instruction.
  • the second processing module 312 can also use the communication method specified in the charging protocol in the charging instruction to communicate with the adapter 320.
  • the adapter 320 communicates.
  • the adapter 320 may provide the electronic device 300 with the charging power by using the working parameters specified in the charging protocol.
  • the charging protocol is the FCP protocol
  • the adapter 320 and the charging base 310 are wiredly connected through the interface 314 as an example for introduction.
  • the communication method specified by the charging protocol of the FCP may include the following steps: 1. Battery charging specification (BC) 1.2 Protocol detection, 2. FCP handshake, 3. Communication voltage regulation/current regulation. After the communication steps of the above steps are completed, the adapter 320 can use the working parameters of the adapter 320 corresponding to the FCP to charge the electronic device 300 .
  • the detection step of the BC1.2 protocol may include: identifying whether the adapter 320 has the DCP capability, or identifying whether the adapter 320 is a DCP device.
  • the second processing module 312 identifies that the adapter 320 has the DCP capability or is a DCP device
  • the next step of FCP handshake is performed.
  • the specific way of identifying whether the adapter 320 has the DCP capability, or whether it is a DCP device may be: after the adapter 320 is connected to the charging stand 310 through USB OTG, the adapter 320 connects the internal D+ pin and D- The pins are short-circuited to inform the second processing module 312 that the adapter 320 has the DCP capability.
  • the step of FCP handshake may include: the adapter 320 continuously detects the D+ signal in the USB OTG, if the level on the D+ signal is greater than a preset reference value, and the duration of the level greater than the preset reference value exceeds 1 second , the adapter 320 makes the short circuit between D+ and D- change from a short circuit to an open circuit, and at the same time sends a D- signal to make a pull-down resistor pull down D- to ground, informing the second processing module 312 that it has the function of the FCP charging protocol.
  • the step of communication voltage regulation/flow regulation may include: completing communication between the second processing module 312 and the adapter 320 by sending at least one communication message.
  • the communication message between the charging stand 310 and the adapter 320 may include: a ping signal, a synchronization signal and charging data.
  • the functions of the ping signal are to start the communication process and end the communication process.
  • the synchronization signal is used to start the transmission of charging data, and a decomposer between two bytes is used to identify the start of transmission of one byte.
  • the charging data is used to indicate charging voltage and charging current, and each byte of the charging data consists of 8 bits and odd parity bits.
  • the electronic device 300 transmits the charging protocol to the adapter 320 through the charging stand 310 in detail.
  • the first processing module 302 generates a charging instruction, and generates a first lighting control signal according to the charging instruction.
  • the charging instruction may also be used to indicate a charging protocol used by the adapter 320; a charging protocol set may be stored in the electronic device 300, and the charging protocol set may include: QC (quick charge, Qualcomm Qualcomm) Quick Charge) 1.0 ⁇ QC5.0, USB PD (USB Power Delivery, Power Delivery Protocol), FCP, PE (PumpExpress Plus, MediaTek fast charging), VOOC ( Quick charge)/DASH (one plus Fast charging) and SCP (smart charger protocol, smart charging protocol) and other protocols.
  • the charging protocols in the charging protocol set are not limited to the above contents, and any charging protocol may be included in the above charging set, which is not limited here.
  • Different charging protocols correspond to different working parameters of the adapter 320 .
  • the first processing module 302 selects a charging protocol that conforms to the working parameters of the adapter 320 from the charging protocol set.
  • the manner in which the first processing module 302 determines the working parameters of the adapter 320 may refer to S301, which will not be repeated here.
  • Each charging protocol in the charging protocol set has working parameters corresponding to the protocol.
  • the first processing module 302 determines the working parameters of the adapter 320, according to the charging protocol set, select the work that conforms to the adapter 320.
  • Parameters of the charging protocol For example, if the electronic device 300 determines that the working parameters of the adapter 320 are a charging voltage of 9 (V) and a charging current of 2 (A), a charging protocol that conforms to the working parameters of the adapter 320 can be selected from the set of charging protocols. for FCP.
  • the first processing module 302 can also select the specified charging protocol of the electronic device 300 from the charging protocol set according to the device manufacturer of the electronic device 300.
  • the charging protocol used for the adapter 320 is also different.
  • the first processing module 302 generates a first lighting control signal after determining the charging instruction.
  • the first lighting control signal is used to instruct the first photoelectric module 303 to emit light according to the first target lighting parameter corresponding to the charging instruction.
  • the lighting control signal includes at least one of the following: flickering frequency or illuminance.
  • the first lighting control signal may be determined by, but not limited to, in the following manner: the electronic device 300 saves a table of the correspondence between the charging protocol in the charging instruction and the first target lighting parameter.
  • the first processing module 302 determines the first target lighting parameter according to the charging protocol in the charging instruction. See Table 3 below for an example. Among them, Table 3 is a relationship table of different charging protocols corresponding to different flicker frequencies and illuminances.
  • the charging instruction generated by the first processing module 302 is not necessarily a complete protocol content, but may also be a part of the charging protocol or identification information of the charging protocol, and the like. So that the charging stand 310 determines the type of the charging protocol after receiving a part of the charging protocol or the identification of the charging protocol, and interacts with the adapter 320 according to the charging protocol, and informs the adapter 320 of the electronic The charging protocol indicated by the device 300 .
  • the charging instruction generated by the first processing module 302 may also be a step of interactively transmitting one of the authentication processes in the charging protocol or a step of regulating voltage and current after authentication of the charging protocol.
  • the first processing module 302 sends a first lighting control signal to the first optoelectronic module 303 .
  • the first lighting control signal is used to indicate the first target lighting parameter.
  • S403 The first optoelectronic module 303 sends a first optical signal to the second optoelectronic module 212 according to the first target lighting parameter indicated by the second lighting control signal.
  • S404 The second optoelectronic module 313 receives the first optical signal sent by the first optoelectronic module 303, and determines the first target lighting parameter of the first optical signal.
  • S405 The second optoelectronic module 313 sends a first notification message to the second processing module 312 according to the first target lighting parameter.
  • S406 The second processing module 312 receives the first notification message, determines the first target lighting parameter according to the first notification message, and determines the charging protocol corresponding to the first target lighting parameter.
  • the first notification message includes the flickering frequency or illuminance in the first target lighting parameter
  • the second processing module 312 determines the charging protocol or the charging protocol according to the flickering frequency or illuminance in the first target lighting parameter part of the content of the charging protocol, or the identification information of the charging protocol, or one or more steps of interactively transmitting the charging protocol in the charging protocol.
  • the charging stand 310 sends the charging protocol to the adapter 320. If the first target lighting parameter indicates the charging protocol, or a part of the charging protocol, or the identification information of the charging protocol, the charging stand 310 uses the charging protocol indicated by the first target lighting parameter , perform charging protocol interaction, and perform charging protocol interaction with the adapter 320, and the charging protocol interaction method is based on the same concept as the charging protocol interaction method provided in the above step S307, and will not be repeated here. If the first target lighting parameter indicates one or more steps of interactively transmitting the charging protocol in the charging protocol, the charging stand 310 executes the charging protocol interaction according to the step indicated by the first target lighting parameter. step.
  • the first optoelectronic module 303 in the electronic device 300 is further configured to receive a second optical signal sent by the charging base 310, and determine a second target of the second optical signal Lighting parameters; sending a first notification message to the first processing module 302, where the first notification message is used to notify the first processing module 302 of the second target lighting parameters.
  • the first processing module 302 is further configured to: determine the second target lighting parameter according to the first notification message; and determine feedback information corresponding to the second target lighting parameter, where the feedback information includes at least one of the following: Item: the temperature of the adapter, or response information, where the response information is used to indicate whether the adapter executes the charging instruction.
  • the second processing module 312 is further configured to: receive feedback information sent by the adapter 320, where the feedback information includes at least one of the following: the temperature of the adapter, or response information, where the response information is used to indicate the Whether the adapter executes the charging instruction; generates a second lighting control signal according to the feedback information; the second lighting control signal is used to indicate the second target lighting parameter corresponding to the feedback information; to the second photoelectric module 312 sending the second lighting control signal;
  • the second photoelectric module 313 is further configured to: receive the second lighting control signal, and send out a second light signal according to the second target lighting parameter.
  • the following describes the steps of the adapter 320 transmitting feedback information to the electronic device 300 through the charging stand 310 with reference to the flow shown in FIG. 5 .
  • the adapter 320 determines the indicated working parameters or charging protocol, generates feedback information, and sends the feedback information to the charging stand 310 .
  • the feedback information includes at least one of the following: the temperature of the adapter, or response information, where the response information is used to indicate whether the adapter executes the charging instruction.
  • the adapter 320 further includes a switched capacitor circuit, and the switched capacitor circuit can adjust the power output to the electronic device 300 during the process of charging the electronic device 300 by the adapter 320 .
  • the switched capacitor circuit has power loss during operation, and this part of the power loss will affect the charging efficiency of the electronic device 300 . If this part of the power loss exceeds the power loss range that the adapter 320 can carry, the power loss of other hardware in the adapter 320 (such as charging coils, chips) will be converted into heat energy, causing the adapter 320 to generate heat even damage.
  • a temperature sensor may be provided in the adapter 320 , and the temperature sensor is used to detect the temperature of the adapter 320 in real time or periodically, when the adapter 320 is charging the electronic device 300 , sending the temperature of the adapter 320 to the electronic device 300 , and when the temperature of the adapter 320 is greater than the set temperature threshold, the first processing module 302 sends the power receiving port 301 with the charging stand 320
  • the indication message indicating that the charging port 311 is disconnected makes the electronic device 300 no longer receive charging from the adapter 320 , thereby ensuring the safety of the adapter 320 and the electronic device 300 .
  • the adapter 320 After the adapter 320 receives the working parameters or charging protocol indicated by the electronic device 300, the adapter 320 determines response information according to the working parameter range and charging protocol set supported by itself, to indicate whether the adapter can perform the charging. instruction. For example, if the charging current indicated by the electronic device 300 is 3 (A) and the charging voltage is 9 (V), and the adapter 300 only supports the output current of the charging current 2 (A), the adapter 320 cannot charge at the indicated charging current. The current is supplied, and a response message is generated that the charging cannot be performed at the indicated charging current.
  • the adapter 320 cannot supply power with the indicated charging protocol, and generates a response message indicating that charging cannot be performed with the indicated SCP charging protocol.
  • the response information may also be used to indicate a charging protocol authentication result between the charging stand 310 and the adapter 320 .
  • the charging stand 310 communicates with the adapter 320 in the FCP protocol, after the authentication succeeds/fails in any step of BC1.2 detection, FCP handshake, and communication voltage regulation/current regulation, the adapter 320 will generate a response message representing the communication of the charging protocol to inform the electronic device 300 whether any step in the authentication of the charging protocol is successful.
  • the second processing module 312 generates a second lighting control signal according to the feedback information.
  • the second lighting control signal is used to instruct the second photoelectric module 313 to emit light according to the second target lighting parameter corresponding to the feedback information.
  • the second target light-emitting parameter may also include, but is not limited to: flickering frequency, or illuminance, and the like.
  • the manner of determining the lighting control signal corresponding to the feedback information is based on the same concept as the aforementioned manner of determining the lighting control signal according to the working parameters of the adapter or the charging protocol, and will not be repeated here.
  • S503 The second processing module 312 sends a second light-emitting control signal to the second optoelectronic module 313 .
  • S504 The second photoelectric module 313 determines the second target lighting parameter according to the second lighting control signal.
  • S505 The second photoelectric module 313 sends out a second light signal according to the second target light-emitting parameter.
  • the second optoelectronic module 313 includes a light emitting component, and the light emitting component emits a second light signal according to the second target light-emitting parameter.
  • the first optoelectronic module 303 receives the second optical signal, determines the second target lighting parameter, and sends the first notification message to the first processing module 302.
  • the first optoelectronic module 303 includes a light-receiving component, and the light-receiving component determines a second target light-emitting parameter of the second light signal according to the received second light signal.
  • the electronic device 300 may consider that the adapter 320 cannot operate with the indicated working parameters or The charging protocol is used for power supply.
  • the first processing module 302 receives the first notification message, determines the second target lighting parameter, and determines the response information and the temperature of the adapter 320 according to the second target lighting parameter. Specifically, when the adapter 320 cannot supply power with the indicated working parameters or charging protocol, the electronic device 300 may try to indicate a lower working parameter to the adapter 320 again, or indicate the charging protocol corresponding to the lower working parameter .
  • Each processing module in the above embodiments may be a processor, and the optoelectronic module may be a PPG processing device, such as a PPG sensor.
  • the PPG processing device involved in the embodiment can refer to the implementation in the prior art, and is a device for receiving a lighting control signal and generating an optical signal according to the lighting control signal, and the optical signal is transmitted to the charging stand on, it is used to indicate the charging command.
  • the present application provides an example of an electronic device and a charging stand.
  • the electronic device is a smart watch 600 as an example.
  • the smart watch 600 may include : the power receiving electrode 601 , the PPG sensor 602 , and the first processor 603 .
  • the smart watch 600 may further include a watch body 604 and a watch strap 605 .
  • the charging stand 610 may include: a charging electrode 611 , an optoelectronic module 612 , a second processor 613 and an adapter connection port 614 . It should be understood that FIG.
  • the rear housing member 608 may also include a sensor subsystem, which may include Temperature sensor, Bio-z sensor, etc. (not shown in the figure). Of course, the sensor subsystem may also include other sensors such as acceleration sensors.
  • the PPG sensor 602 is taken as an example for introduction, and the PPG sensor 602 may include optical components (a light receiving part and a light emitting part).
  • the optical assembly may include windows 606 , and 607 in rear housing member 608 . Each of windows 606, and 607 can pass optical signals of at least one wavelength. In some cases, each of windows 606, and 607 may have a semicircular or irregular shape.
  • the window can be formed of crystal, glass, plastic, or other material that can transmit at least one wavelength of the optical signal emitted or received by the PPG sensor 602 .
  • the power receiving electrode 601 shown in FIG. 6 may be an electrode formed by coating a thin film material (such as one or more of the electrode materials listed above) on the outer surface of the smart watch 600 by using a PVD coating method. , the above structure ensures the waterproof performance of the smart watch 600, and can better improve the anti-corrosion function of the smart watch 600.
  • the charging electrode 611 shown in FIG. 6 may be an electrode with a pogo pin structure. The electrode formed by the above-mentioned PVD coating is in contact with the electrode of the pogo pin structure through electrical connection, so that the power receiving electrode 601 of the smart watch 600 is connected to the charging electrode 611 of the charging stand 610.
  • the front of the charging stand 610 and the back of the electronic device 600 are respectively provided with magnets.
  • the charging stand 610 and the smart watch 600 ensure the stability of the connection between the power receiving electrode 601 and the charging electrode 611 of the charging stand 610 through the magnetic fields generated by the magnets on both sides.
  • the positions of the magnets set in the embodiments of the present application are not limited to being set on the back and the front respectively. Those skilled in the art should understand that the magnets can be set at any positions of the charging base 610 and the smart watch 600 respectively, which will not be done here. limited.
  • magnets may also be directly disposed on the power receiving electrodes 601 of the smart watch 600 and the charging electrodes 611 of the charging base 610 , so that the power receiving electrodes 601 and the charging electrodes 611 are attracted and connected to each other.
  • the front of the charging base 610 and the back of the smart watch 600 may also be provided with buckle structures respectively, and the front of the charging base 200 and the back of the smart watch 600 can be buckled The structure is fixed to ensure the stability of the connection between the power receiving electrode 601 of the smart watch 600 and the charging electrode 611 of the charging stand 610 .
  • a pair of windows 606, and 607 are included in the entire window.
  • window 606 is referred to as a first window and window 607 is referred to as a second window, under which the light emitting part is placed and the second window is under which the light receiving part is placed.
  • a light blocking wall is provided between each window, for example, the light blocking wall may be located between the light emitting part and the light receiving part to isolate the emitted light from the received light.
  • the light emitting component may be an emitter capable of emitting visible light or invisible light.
  • the light receiving member may be a transmitter capable of receiving and transmitting visible light or invisible light.
  • the light receiving component can convert the received visible light or invisible light (optical signal) into an electrical signal, and then determine physiological parameters or communication content based on the electrical signal, such as heart rate, working parameters of the adapter 620, charging protocol, and so on.
  • the rear case member 608 may include a transparent cover (eg, a cover that includes a crystal, such as a sapphire crystal, or glass, or plastic, etc.), and may be flat or planar or may be curved or non-planar.
  • rear housing member 608 may be an opaque substrate, such as a metal or plastic substrate, and windows 606, and 607 (eg, transparent windows) may fit into openings in the opaque substrate and be subject to
  • the electrical electrodes 601 can be installed in other openings.
  • the power receiving electrode 601 or the window on the outer surface of the rear housing member 608 may be provided as a protrusion protruding outward, or a depression sunk inward (the material of the protrusion or depression may be different from the material of the rear case member 608).
  • the materials of the side housing members are different), which is not limited in the embodiment of the present application.
  • the photoelectric module 612 on the charging base 610 and the PPG sensor 602 can be based on the same design concept, and any design structure and method that can be applied to the PPG sensor 602 can be applied to the photoelectric module 612 of the charging base 610. The example will not be repeated.
  • the electronic device and the charging stand provided by the present application can solve the problem of fast charging of wearable electronic devices. Specifically, when the electronic device is being charged, a charging command is generated, and the photoelectric module of the electronic device converts the charging command to an optical signal. The photoelectric module of the charging base determines the charging command according to the parameters of the optical signal, and sends the charging command to the adapter, so as to realize the interaction between the charging power and the charging protocol between the electronic device and the adapter, and finally realize fast charging. charging function.
  • the electronic device of the present application and the charging stand also saves the data line of the extra transmission protocol, which saves the cost, avoids the adjustment of the hardware structure of the electronic device, and also avoids the problem of corrosion of the charging connection terminal of the electronic device.
  • the embodiment of the present application also provides a charging method, which is applied to the electronic device 300 provided by the above embodiment.
  • the method includes: generating a charging instruction, where the charging instruction is used to indicate the working parameter or charging protocol of the adapter; the charging instruction, and generate a first lighting control signal; according to the first target lighting parameter indicated by the first lighting control signal, a first light signal is sent, and the first light signal is transmitted to the charging stand and used to indicate the charging command.
  • the methods provided in this embodiment can all be implemented on the electronic device 300 having the above-mentioned hardware architecture, and details are not repeated here.
  • An embodiment of the present application further provides a charging method, which is applied to the charging stand 310 provided in the above-mentioned embodiment.
  • the method includes: receiving a first optical signal sent by an electronic device, and determining a first target of the first optical signal lighting parameters; determining a charging instruction corresponding to the first target lighting parameter, where the charging instruction is used to indicate the working parameters or charging protocol of the adapter; sending the charging instruction to the adapter.
  • the methods provided in this embodiment can all be implemented on the charging stand 310 having the above-mentioned hardware architecture, and details are not described herein again.
  • the embodiments of the present application further provide a charging apparatus 700, which can be applied to the electronic device 300 shown in FIG. 3A to implement the charging method executed by the first processing module 302 of the above embodiments, or Applied to the charging stand 310 , to implement the charging method executed by the second processing module 312 of the above-mentioned embodiment, as shown in FIG.
  • the communication module 701 , the memory 703 and the processor 702 are connected to each other.
  • the communication module 701, the memory 703 and the processor 702 can be connected to each other through a bus;
  • the bus can be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industrial Standard structure (extended industry standard architecture, EISA) bus, etc.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of presentation, only one thick line is used in FIG. 7, but it does not mean that there is only one bus or one type of bus.
  • the communication module 701 is used to communicate with other devices.
  • the communication module 701 may include a communication interface and a wireless communication module.
  • the processor 702 is used for the charging method provided in the above-mentioned embodiment.
  • the processor 702 may be a central processing unit (central processing unit, CPU), or other hardware chips.
  • the above-mentioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the above-mentioned PLD can be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general-purpose array logic (generic array logic, GAL) or any combination thereof.
  • CPLD complex programmable logic device
  • FPGA field-programmable gate array
  • GAL general-purpose array logic
  • the processor 702 implements the above functions, it can be implemented by hardware, and of course, it can also be implemented by executing corresponding software in hardware.
  • the memory 703 is used to store program instructions, data, and the like.
  • the program instructions may include program code, which includes instructions for computer operation.
  • the memory 703 may include random access memory (RAM), and may also include non-volatile memory (non-volatile memory), such as at least one disk storage.
  • the memory 703 in FIG. 7 of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (Programmable ROM, PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Electrically Erasable Memory Except programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un dispositif électronique, une base de charge et un procédé de charge. Le dispositif électronique (300) comprend : un port de réception d'énergie (301), un premier module photoélectrique (303) et un premier module de traitement (302). Le port de réception d'énergie (301) est relié à un port de charge (311) d'une base de charge (310) et est utilisé pour recevoir une énergie de charge à partir de la base de charge (310) ; le premier module de traitement (302) est utilisé pour générer une instruction de charge ; pour générer un premier signal de commande d'émission de lumière en fonction de l'instruction de charge ; le premier signal de commande d'émission de lumière étant utilisé pour indiquer un premier paramètre d'émission de lumière cible ; pour envoyer le premier signal de commande d'émission de lumière au premier module photoélectrique (303) ; et le premier module photoélectrique (303) reçoit le premier signal de commande d'émission de lumière et émet un premier signal optique en fonction du premier paramètre d'émission de lumière cible, le premier signal optique étant transmis à la base de charge (310) et étant utilisé pour indiquer l'instruction de charge. Le procédé met en œuvre une fonction de charge rapide d'un dispositif électronique sans ajouter une borne de connexion électrique supplémentaire au dispositif électronique, et réalise une communication entre des paramètres de fonctionnement d'un adaptateur et d'un protocole de charge par transmission et détection d'un signal optique, pour réaliser ainsi finalement la fonction de charge rapide.
PCT/CN2020/131349 2020-11-25 2020-11-25 Dispositif électronique, base de charge et procédé de charge WO2022109837A1 (fr)

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PCT/CN2020/131349 WO2022109837A1 (fr) 2020-11-25 2020-11-25 Dispositif électronique, base de charge et procédé de charge
CN202080015576.9A CN114793480A (zh) 2020-11-25 2020-11-25 一种电子设备、充电座及充电方法

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CN116707053A (zh) * 2022-11-30 2023-09-05 荣耀终端有限公司 一种手表、充电底座以及充电系统

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CN115622177A (zh) * 2022-09-30 2023-01-17 荣耀终端有限公司 一种充电方法、移动终端及存储介质
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CN116707053A (zh) * 2022-11-30 2023-09-05 荣耀终端有限公司 一种手表、充电底座以及充电系统

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