WO2023226932A1 - Dispositif électronique et ensemble de dispositifs électroniques - Google Patents

Dispositif électronique et ensemble de dispositifs électroniques Download PDF

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Publication number
WO2023226932A1
WO2023226932A1 PCT/CN2023/095529 CN2023095529W WO2023226932A1 WO 2023226932 A1 WO2023226932 A1 WO 2023226932A1 CN 2023095529 W CN2023095529 W CN 2023095529W WO 2023226932 A1 WO2023226932 A1 WO 2023226932A1
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WO
WIPO (PCT)
Prior art keywords
nfc
electronic device
signal
chip
switch
Prior art date
Application number
PCT/CN2023/095529
Other languages
English (en)
Chinese (zh)
Inventor
李志光
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023226932A1 publication Critical patent/WO2023226932A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of electronics, and more specifically, to an electronic device and an electronic device set.
  • Embodiments of the present application provide an electronic device and an electronic device set to solve the problem in the prior art that the electronic device cannot be triggered to turn on without opening the packaging box.
  • embodiments of the present application provide an electronic device, which includes: an NFC module, an application processor, a power management chip, a drive circuit, and a battery.
  • the NFC module is connected to the application processor and the drive circuit respectively
  • the power management chip is connected to the application processor and the drive circuit respectively.
  • the NFC module controls the driving circuit to enter the working state based on the external first NFC signal
  • the driving circuit drives the power management chip to provide power to the application processor so that the electronic device can be powered on.
  • embodiments of the present application also provide an electronic equipment set, which includes:
  • Packaging box, electronic equipment is arranged in the packaging box.
  • an electronic device and an electronic device set are provided.
  • the electronic device includes an NFC module, an application processor, a power management chip, a drive circuit and a battery.
  • the NFC The module will receive an external NFC signal and control the drive circuit to enter the working state based on the NFC signal to drive the power management chip to supply power to the application processor to enable the startup of the electronic device, so that the electronic device can also be implemented when it is in the packaging box. Start-up reduces material and labor costs and improves user experience.
  • Figure 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of an electronic device provided by another embodiment of the present application.
  • Figure 3 is a schematic structural diagram of an electronic device provided by another embodiment of the present application.
  • Figure 4 is a schematic structural diagram of an electronic device provided by another embodiment of the present application.
  • Figure 5 is a schematic structural diagram of an electronic device provided by another embodiment of the present application.
  • Figure 6 is a schematic diagram of the interaction between an electronic device and an NFC device provided by an embodiment of the present application.
  • Figure 7 is a schematic diagram of interaction between an electronic device and an NFC device provided by another embodiment of the present application.
  • Figure 8 is a schematic diagram of interaction between an electronic device and an NFC device provided by another embodiment of the present application.
  • FIG. 9 is a schematic diagram of an electronic device and other electronic devices provided by an embodiment of the present application.
  • first and second features in the description and claims of this application may include one or more of these features, either explicitly or implicitly.
  • “and/or” in the description and claims means at least one of the connected objects.
  • connection should be understood in a broad sense.
  • it can be a fixed connection, a detachable connection, or an integral connection; it can be It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be an internal connection between two components.
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be an internal connection between two components.
  • FIG. 1 it is a schematic structural diagram of an electronic device 10 provided by an embodiment of the present application.
  • the electronic device can be a mobile phone, a tablet computer, a laptop computer, etc.
  • the electronic device 10 includes an NFC (Near Field Communication) module 110, an application processor 120, a power management chip 130, a drive circuit 140 and a battery 150.
  • the NFC module 110 is connected to the application processor 120 and the drive circuit 140 respectively.
  • the power management chip 130 Connected to the battery 150, the application processor 120 and the driving circuit 140 respectively.
  • the above application processor 120 is responsible for the operation of the software system of the electronic device 10, the realization of functions of the electronic device 10, and the control of peripheral devices, and is the control center of the entire software system.
  • the application processor 120 does not work when the electronic device 10 is turned off and cannot receive or process any signals.
  • the above power management chip (Power Management IC, PMIC) 130 is an integrated module that integrates a microcontroller unit (Microcontroller Unit, MCU) and multiple power outputs. It is mainly responsible for receiving the power-on signal and providing the required output for the application processor 120 and peripheral devices. power supply. As shown in FIG. 1 , the power management chip 130 is connected to the application processor 120 , one of which is responsible for powering the application processor 120 , and the other is responsible for data communication with the application processor 120 .
  • MCU microcontroller Unit
  • the NFC module 110 includes an NFC chip 111 , an antenna matching unit 112 and an NFC antenna 113 , and the NFC chip 111 , the antenna matching unit 112 and the NFC antenna 113 Series connection.
  • the NFC chip 111 is an integrated circuit, which integrates a micro control unit (MCU) and a radio frequency modem for realizing near field communication functions.
  • MCU micro control unit
  • the NFC chip 111 is directly powered by the battery 150 and can still work after being turned off. It can be understood that the communication distance of the NFC chip 111 can reach 10 cm, so the electronic device 10 can still communicate with external NFC devices even in the packaging box.
  • the antenna matching unit 112 is located between the NFC chip 111 and the NFC antenna 113, and is mainly composed of passive components required to ensure NFC performance.
  • the NFC antenna 113 is used to send and receive near field communication radio frequency signals (NFC signals).
  • the above battery 150 is connected to the power management chip 130, so that when the electronic device 10 is in a shutdown state, the battery 150 continues to provide power to the power management chip 130. That is, the power management chip 130 still supplies power when the electronic device 10 is in a shutdown state. It can work and is in low power mode, making its power consumption very low.
  • the battery 150 is also connected to the NFC chip 111, so that when the electronic device 10 is in a shutdown state, the battery 150 continues to power the NFC chip 111, that is, , the NFC chip 111 can still work when the electronic device 10 is turned off.
  • the NFC device may be a card reader or electronic device with NFC function, which is not limited in this embodiment.
  • the NFC module 110 controls the driving circuit 140 to enter the working state based on the external first NFC signal; when the driving circuit 140 is in the working state, Next, the driving circuit 140 drives the power management chip 130 to provide power to the application processor 120 so that the electronic device 1 is turned on.
  • the first NFC signal may be an NFC signal sent by an external NFC device.
  • the battery 150 is connected to the NFC chip 111, and the driving circuit 140 is an Always On Sub Processor (AOSP) 141.
  • the Always On Sub Processor 141 is integrated in the application processor.
  • the first end of the normally on coprocessor 141 is connected to the wakeup end (wakeup 2 port) of the NFC chip 111
  • the second end of the normally on coprocessor 141 is connected to the first end of the power management chip 130 .
  • the wake-up end of the NFC chip 111 wakes up
  • the wake-up 2 port is also connected to the application processor 120.
  • the NFC chip 111 can trigger the wake-up of the application processor 120 through the wake-up 2 port. This is the normal working mode. That is to say, by reusing the wake-up end of the NFC chip 111 to wake up the 2 port, the port signal line is simultaneously connected to the general IO (Input/Output) port of the application processor 120 and the GPIO (General-Open) of the normally open co-processor 141. Purpose Input/Iutput) port.
  • general IO Input/Output
  • GPIO General-Open
  • the NFC chip 111 is also connected to the application processor 120 through the I2C (Inter-Integrated Circuit) bus and the SPI (Serial Peripheral Interface) bus respectively, and the application processor 120 is also connected through its use.
  • the energy terminal and the wake-up terminal (wake-up 1 port) are respectively connected to the NFC chip 111.
  • the battery 150 continues to power the NFC chip 111 , that is, the NFC chip 111 can continue to run when the electronic device 10 is in the shutdown state.
  • the power management chip 130 when the electronic device 10 is in the shutdown state, the power management chip 130 continues to provide power to the normally-on co-processor 141 , that is, the normally-on co-processor 141 can continue to supply power when the electronic device 10 is in the shutdown state. Running, receiving signals normally, and in low-power sleep mode.
  • the NFC antenna 113 receives the first external NFC signal and sends the first NFC signal to the NFC chip 111 through the antenna matching unit 112; the NFC chip 111 is based on the first NFC signal.
  • the NFC signal wakes up the normally-on co-processor 141; when the normally-on co-processor 141 is in the awake state, the normally-on co-processor 141 drives the power management chip 130 to supply power to the application processor 120, so that the electronic device 10 is turned on.
  • the NFC device when the electronic device 10 is in a power-off state, the NFC device sends a first NFC signal, where the first NFC signal may carry a power-on instruction.
  • the NFC antenna 113 receives the first NFC signal and sends the first NFC signal to the NFC chip 111 through the antenna matching unit 112 .
  • the NFC chip 111 After receiving the first NFC signal, the NFC chip 111 detects that the first NFC signal carries a power-on command, and wakes up the AOSP through its wake-up end, namely the wake-up 2 port.
  • the AOSP notifies it through the communication link with the power management chip 130
  • Application processor 120 provides power to implement The electronic device 10 is powered on.
  • the driving circuit 140 is a first switch 142 .
  • the control end of the first switch 140 is connected to the control end of the NFC chip 111 .
  • the first end of the first switch 142 is connected to the power management chip 130
  • the second end of the first switch 142 is connected to ground, and the first end of the NFC chip 111 is connected to the battery 150 .
  • the first switch 142 is an NMOS tube, the gate of the NMOS tube is the control terminal of the first switch 142, the drain of the NMOS tube is the first terminal of the first switch 142, and the source of the NMOS tube is the first terminal.
  • the second terminal of switch 142 is an NMOS tube, the gate of the NMOS tube is the control terminal of the first switch 142, the drain of the NMOS tube is the first terminal of the first switch 142, and the source of the NMOS tube is the first terminal.
  • the second terminal of switch 142 is an NMOS tube, the gate of the NMOS tube is the control terminal
  • the battery 150 continues to power the NFC chip 111 , that is, the NFC chip 111 can continue to run when the electronic device 10 is in the shutdown state.
  • the NFC antenna 113 receives the first external NFC signal and sends the first NFC signal to the NFC chip 111 through the antenna matching unit 112; the NFC chip 111 is based on the first NFC signal.
  • the NFC signal controls the first switch 142 to be turned on; when the first switch 142 is in the on state, the power management chip 130 supplies power to the application processor 120 to turn on the electronic device 10 .
  • the power-on signal line of the power management chip 130 is at a high level when the electronic device 10 is in a shutdown state, for example, it can be 1.8V or 1.2V. This power-on signal line normally operates at a high level.
  • the power management chip 130 determines that the user needs to power on by long-pressing the power button 160 .
  • an NMOS tube is added. The drain of the NMOS tube is connected to the startup signal line of the power management chip 130, that is, the second end of the power management chip 130.
  • the NMOS tube The gate is connected to the control terminal of the NFC chip 110, and the source of the NMOS tube is grounded, so that the NFC chip 110 has the same power-on triggering capability as the power-on key 160.
  • the NFC device when the electronic device 10 is in a power-off state, the NFC device sends a first NFC signal, where the first NFC signal may carry a power-on instruction.
  • the NFC antenna 113 receives the first NFC signal and sends the first NFC signal to the NFC chip 111 through the antenna matching unit 112 .
  • the NFC chip 111 After receiving the first NFC signal, the NFC chip 111 detects the first NFC signal.
  • the signal carries a boot command, controls the NMOS tube to conduct, and pulls the boot signal line low to drive the power management chip 130 to supply power to the application processor 120 to start the electronic device 10 .
  • the driving circuit 140 includes a first filter unit 143 and a second switch 144 .
  • One end is connected to the NFC antenna 113, the second end of the first filter unit 143 is connected to the control end of the second switch 144, the first end of the second switch 144 is connected to the second end of the power management chip 130, the second switch 144 The second terminal is grounded.
  • the first filter unit 143 includes a diode 1431, a resistor 1432 and a capacitor 1433.
  • the anode of the diode 1431 is connected to the NFC antenna 113
  • the cathode of the diode 1431 is connected to the first end of the resistor 1432
  • the The second terminal is connected to the first terminal of the capacitor 1433
  • the second terminal of the capacitor 1433 is connected to the control terminal of the second switch 144
  • the first terminal of the capacitor 144 is connected to ground.
  • the second switch 144 is an NMOS tube.
  • the gate of the NMOS tube is the control terminal of the second switch 144.
  • the drain of the NMOS tube is the first terminal of the second switch 144.
  • the source of the NMOS tube is the second switch 144. the second end.
  • the NFC antenna 113 receives the external first NFC signal to generate a first voltage signal, and sends the first voltage signal to the first filtering unit 143; first filtering The unit 143 performs filtering on the first voltage signal to obtain a first target signal, and controls the second switch 144 to turn on based on the first target signal; when the second switch 144 is in the on state, the power management chip 130 processes the application The controller 120 supplies power to enable the electronic device 10 to turn on.
  • the NFC chip 111 In the power-off state, at the same time, when the electronic device 10 is in the shutdown state, the NFC device sends the first NFC signal.
  • the NFC antenna 113 receives the first NFC signal to generate a first voltage signal, and rectifies the first voltage signal into a DC signal, the first target, through a low-pass filter composed of a diode 1431, a resistor 1432, and a capacitor 1433, that is, the first filtering unit 143.
  • the signal is used to drive the NMOS transistor to conduct, to pull the boot signal line low, to drive the power management chip 130 to supply power to the application processor 120, to start the electronic device 10 .
  • the NFC device when it is necessary to trigger the electronic device 10 in the packaging box to turn on, the NFC device can be used to perform radio frequency field emission on the electronic device 10 in the packaging box, so that the NFC of the electronic device inside the packaging box The antenna obtains energy and can "press" the power button.
  • the field intensity emission time of the NFC device is approximately equal to the time when the power button of the mobile phone electronic device 10 is pressed.
  • the emission time can be determined according to specific rules as needed to achieve different communication effects. For example, a single long-term transmission, such as continuous transmission for 10 seconds, is equivalent to pressing the power-on button of the electronic device 10 for 10 seconds, and the power management chip 130 determines that the power is turned on.
  • the transmission time can be changed periodically to achieve one-way data transmission, such as transmitting for 1 second, stopping for 1 second, and cycling 5 times to indicate booting for OTA (Over the Air Technology) software upgrade.
  • OTA Over the Air Technology
  • the electronic device 10 shown in FIG. 5 is provided.
  • the electronic device 10 also includes a control module 170.
  • the control module 170 includes a second filtering unit 172 and a third switch 171.
  • the first end of the second filtering unit 172 is connected to the NFC antenna 113.
  • the second end of the second filter unit 172 is connected to the control end of the third switch 171 , the first end of the third switch 171 is connected to the second end of the power management chip 130 , the second end of the third switch 171 is grounded, and the NFC chip
  • the second terminal of 111 is also connected to the third terminal of the power management chip 130 .
  • the driving circuit 140 is a normally-on coprocessor 141.
  • the normally-on coprocessor 141 is integrated in the application processor 120.
  • the first end of the normally-on coprocessor 141 is connected to the wake-up end of the NFC chip 111.
  • the second terminal of the cooperation processor 141 is connected to the first terminal of the power management chip 130 , and the second terminal of the NFC chip 111 is connected to the third terminal of the power management chip 130 .
  • the NFC antenna 113 receives an external second NFC signal to generate a second voltage signal, and sends the second voltage signal to the second filtering unit 172; the second filtering The unit 172 performs filtering on the second voltage signal to obtain a second target signal, and controls the third switch 171 to turn on based on the second target signal; when the third switch 171 is in the on state, the power management chip 130 is normally open.
  • Coprocessor 141 and NFC chip 111 are powered to enable electronic device 10 to exit transport mode.
  • the NFC device when the electronic device 10 is in the transportation mode and is turned off, only the power management chip 130 is powered, and other modules are not powered, that is, the application processor 120, the normally-on co-processor 141 and the NFC chips 111 are not powered. Then, when the electronic device 10 is in the transportation mode and is in the power-off state, the NFC device sends the second NFC signal.
  • the NFC antenna 113 receives the second NFC signal to generate a second voltage signal, and rectifies the second voltage signal into a DC signal, the second target, through a low-pass filter composed of a diode 1721, a resistor 1722, and a capacitor 1723, that is, the second filtering unit 172.
  • the electronic device 10 exits the transportation mode, that is, the power management chip 130 supplies power to the normally open coprocessor 141 and the NFC chip 111. At this time, the normally open coprocessor 141 In low power sleep mode.
  • the NFC device sends a first NFC signal, where the first NFC signal may carry a power-on instruction.
  • the NFC antenna 113 receives the first NFC signal and sends the first NFC signal to the NFC chip 111 through the antenna matching unit 112 .
  • the NFC chip 111 detects that the first NFC signal carries a power-on command, and wakes up the AOSP through its wake-up end, namely the wake-up 2 port.
  • the AOSP notifies it through the communication link with the power management chip 130
  • the application processor 130 supplies power to enable the electronic device to be powered on.
  • the application processor 120 when the electronic device 10 is in a powered-on state, the application processor 120 performs the setting operation; when the setting operation is completed or the power-on time of the electronic device 10 exceeds the set time threshold, The electronic device 10 re-enters the shutdown state.
  • the above setting operations include, but are not limited to, software OTA system emergency upgrade services, personalization Start-up candidate language function and personalized startup page function.
  • the above setting functions are all based on the fact that the electronic device 10 does not open the packaging box and is activated by using an external NFC device.
  • the application processor 120 can be allowed to use its main antenna or near field communication capabilities, such as Bluetooth technology, wireless Local area network technology and the like receive, download, and process a large number of instructions to control the electronic device 10 without unpacking it, and the shutdown operation can be performed after completing the corresponding operations.
  • the electronic device after the electronic device is turned on, it can be given many functions and innovative uses, such as emergency software upgrades, personalized UI customization, theme customization, gift customization, etc., to bring new experiences to users.
  • the NFC antenna 113 receives an external fourth NFC signal and passes the fourth NFC signal through the antenna matching module. 112 is sent to the NFC chip 111; wherein the fourth NFC signal carries the handshake instruction.
  • the NFC chip 110 sends a feedback NFC signal indicating a successful handshake through the NFC antenna 113 according to the handshake instruction.
  • the above fourth NFC signal is a different NFC signal from the first NFC signal and the second NFC signal, and the fourth NFC signal carries a handshake instruction.
  • the NFC device before sending the first NFC signal, the NFC device will first send the fourth NFC signal carrying the handshake instruction.
  • the NFC antenna 113 of the electronic device 10 receives the fourth NFC signal, and sends the fourth NFC signal to the NFC chip 111 through the antenna matching unit 112.
  • the NFC chip 111 sends a feedback NFC signal indicating a successful handshake through the NFC antenna 113, and the NFC device receives After the NFC signal is fed back when the handshake is successful, it can be known that the handshake is successful.
  • the NFC antenna 113 when the electronic device 10 is in a power-off state, the NFC antenna 113 receives an external third NFC signal, and sends the third NFC signal to the NFC chip 111 through the antenna matching unit 112; wherein, the third NFC signal Signals carry keys to electronic devices;
  • the NFC chip 111 matches the received key with the key pre-stored in the electronic device, and if the matching is successful, sends a successfully matched key to the NFC device through the NFC antenna 113. Feedback NFC signal.
  • the third NFC signal, the first NFC signal, the second NFC signal and the fourth NFC signal are all different NFC signals, and the third NFC signal carries the key of the electronic device.
  • the NFC device may also send a third NFC signal carrying the key of the electronic device, and the NFC antenna 113 receives the NFC device.
  • the third NFC signal is sent, and the third NFC signal is sent to the NFC chip 111 through the antenna matching unit 112 .
  • the NFC chip 111 matches the received key with the pre-stored key, and if the matching is successful, sends a feedback NFC signal of successful matching through the NFC antenna 113. After the NFC device receives the feedback NFC signal of successful matching, , you will know that the match is successful.
  • Example 1 Next, combined with Figure 2 and Figure 6, a schematic flow chart of an example of starting the electronic device 10 based on the electronic device 10 and the NFC device 20 is shown. Specifically:
  • Step 201 the NFC device 20 sends a fourth NFC signal carrying a handshake instruction.
  • Step 202 The electronic device 10 receives the fourth NFC signal through the NFC antenna 113.
  • Step 203 When the NFC chip 111 of the electronic device 10 detects that the fourth NFC signal carries a handshake instruction, it sends a first feedback NFC signal indicating a successful handshake through the NFC antenna 113.
  • Step 204 When the NFC device 20 receives the first feedback NFC signal indicating a successful handshake, it sends a third NFC signal carrying the key.
  • Step 205 The electronic device 10 receives the third NFC signal through the NFC antenna 113, and the NFC chip 111 matches the key with the pre-stored key of the electronic device 10, and if the matching is successful, the electronic device 10 receives the third NFC signal through the NFC antenna 113.
  • the second feedback NFC signal with successful matching is sent. If the matching fails, the second feedback NFC signal with failed matching is sent through the NFC antenna 113 .
  • Step 206 when the NFC device 20 receives the second feedback NFC signal that matches successfully, it will further determine that the return result is correct, and if the return result is correct, send the first NFC signal carrying the power-on command. If the return result fails, , prompt.
  • Step 207 The electronic device 10 receives the first NFC signal through the NFC antenna 113.
  • Step 208 When the NFC chip of the electronic device 10 detects that the first NFC signal carries a power-on command, it wakes up the normally-on co-processor 141 through its wake-up 2 port, so that the normally-on co-processor 141 notifies the power management chip 130 of the application.
  • the processor 120 supplies power to enable the electronic device 10 to power on.
  • Step 209 When the electronic device 10 is powered on, it executes the setting function, and when the setting function is completed, or when the power-on time of the electronic device 10 exceeds the set time threshold, the electronic device 10 re-enters. Off state.
  • Example 2 Next, combined with Figure 3 and Figure 7, a schematic flow chart of an example of starting the electronic device 10 based on the electronic device 10 and the NFC device 20 is shown. Specifically:
  • Step 201 the NFC device 20 sends a fourth NFC signal carrying a handshake instruction.
  • Step 202 The electronic device 10 receives the fourth NFC signal through the NFC antenna 113.
  • Step 203 When the NFC chip 111 of the electronic device 10 detects that the fourth NFC signal carries a handshake instruction, it sends a first feedback NFC signal indicating a successful handshake through the NFC antenna 113.
  • Step 204 When the NFC device 20 receives the first feedback NFC signal indicating a successful handshake, it sends a third NFC signal carrying the key.
  • Step 205 The electronic device 10 receives the third NFC signal through the NFC antenna 113, and the NFC chip 111 matches the key with the pre-stored key of the electronic device 10, and if the matching is successful, the electronic device 10 receives the third NFC signal through the NFC antenna 113.
  • the second feedback NFC signal with successful matching is sent. If the matching fails, the second feedback NFC signal with failed matching is sent through the NFC antenna 113 .
  • Step 206 when the NFC device 20 receives the second feedback NFC signal that matches successfully, it will further determine that the return result is correct, and if the return result is correct, send the first NFC signal carrying the power-on command. If the return result fails, , prompt.
  • Step 207 The electronic device 10 receives the first NFC signal through the NFC antenna 113.
  • Step 208 When the NFC chip of the electronic device 10 detects that the first NFC signal carries a power-on command, it controls the first switch 142 to be turned on so that the power management chip 130 supplies power to the application processor 120 to power on the electronic device 10.
  • Step 209 When the electronic device 10 is powered on, it executes the setting function, and when the setting function is completed, or when the power-on time of the electronic device 10 exceeds the set time threshold, the electronic device 10 re-enters. Off state.
  • Example 3 Next, in conjunction with Figure 4 and Figure 8, a schematic flow chart of an example of starting the electronic device 10 based on the electronic device 10 and the NFC device 20 is shown. Specifically:
  • Step 201 the NFC device 20 sends a field strength signal.
  • Step 202 The electronic device 10 senses the field strength signal through the NFC antenna 113 and generates a voltage signal.
  • Step 203 the electronic device 10 rectifies the voltage signal into a DC signal through a low-pass filter composed of a diode 1431, a resistor 1432, and a capacitor 1433, that is, the first filter unit 143, to drive the NMOS tube to conduct, thereby pulling down the power-on signal line.
  • the driving power management chip 130 supplies power to the application processor 120 to start the electronic device 10 .
  • Step 204 The application processor 120 of the electronic device 10 executes the setting function according to the time and frequency characteristics of the key presses, and when the setting function is completed or the power-on time of the electronic device 10 exceeds the set time threshold, The electronic device 10 re-enters the shutdown state.
  • the electronic device when the electronic device is in a powered-on state, the electronic device sends a first NFC signal to other electronic devices in a powered-off state through the NFC antenna 113, so that the other electronic devices can be powered on based on the first NFC signal.
  • the electronic device 10 in the shutdown state and other electronic devices belong to the same large packaging box.
  • electronic device 10 is #1, and other electronic devices include #2, #3, #4, #5, #6,..., #30. These 30 electronic devices are all located in the same large packaging box. Inside, these 30 electronic devices are closely adjacent to each other, and each has its own small packaging box.
  • the first NFC signal when the first NFC signal is sent by an external NFC device based on the foregoing embodiment, the first NFC signal may also carry an instruction to wake up other electronic devices, and then the electronic device 10 can activate the first NFC signal based on the first NFC signal.
  • NFC signals enable power-on, since other electronic devices are closely adjacent to the electronic device 10, they have an advantage in communication distance.
  • the electronic device 10 because in the first NFC signal sent when the external NFC device wakes up the electronic device 10, It carries instructions to wake up other electronic devices, that is, after the electronic device 10 is turned on, the electronic device 10 sends a first NFC signal through the NFC antenna 113 to wake up other electronic devices through the first NFC signal to achieve a single operation and batch booting. function.
  • the embodiment of the present application also provides an electronic device set, which includes any of the electronic devices 10 provided in the above embodiment section; and a packaging box, in which the electronic device is disposed.
  • the electronic equipment set provided by the embodiment of the present application can achieve the same things as those provided in the above embodiment section.
  • Any electronic device 10 has the same function. That is, in the embodiment of the present application, when the electronic device is in a shutdown state, the NFC module will receive an external NFC signal, and control the driving circuit to enter the working state based on the NFC signal to drive the power management chip to supply power to the application processor. , realize the power-on of electronic equipment, so that the electronic device can be started up even when it is in the packaging box, reducing material costs and labor costs, and improving user experience.

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Abstract

Sont divulgués dans les modes de réalisation de la présente demande un dispositif électronique et un ensemble de dispositifs électroniques. Le dispositif électronique comprend : un module NFC, un processeur d'application, une puce de gestion d'alimentation électrique, un circuit d'attaque et une batterie ; le module NFC est connecté au processeur d'application et au circuit d'attaque, séparément ; la puce de gestion d'alimentation électrique est connectée à la batterie, au processeur d'application et au circuit d'attaque, séparément. Lorsque le dispositif électronique est mis hors tension, le module NFC, sur la base d'un premier signal NFC externe, commande au circuit d'attaque d'entrer dans un état de fonctionnement ; et lorsque le circuit d'attaque se trouve dans l'état de fonctionnement, le circuit d'attaque commande à la puce de gestion d'alimentation électrique de fournir de l'énergie au processeur d'application, de sorte à permettre la mise sous tension du dispositif électronique.
PCT/CN2023/095529 2022-05-27 2023-05-22 Dispositif électronique et ensemble de dispositifs électroniques WO2023226932A1 (fr)

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