WO2020259700A1 - 异常检测方法及设备、存储介质 - Google Patents

异常检测方法及设备、存储介质 Download PDF

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Publication number
WO2020259700A1
WO2020259700A1 PCT/CN2020/098608 CN2020098608W WO2020259700A1 WO 2020259700 A1 WO2020259700 A1 WO 2020259700A1 CN 2020098608 W CN2020098608 W CN 2020098608W WO 2020259700 A1 WO2020259700 A1 WO 2020259700A1
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Prior art keywords
parameter value
electrical parameter
charging interface
charging
impedance
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PCT/CN2020/098608
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English (en)
French (fr)
Inventor
史岩松
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Oppo广东移动通信有限公司
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Publication of WO2020259700A1 publication Critical patent/WO2020259700A1/zh

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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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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 embodiments of the present application relate to electronic technology, and relate to, but are not limited to, an abnormality detection method and equipment, and a storage medium.
  • a common technical method is that when the power adapter is connected to the power source to charge the terminal, the power adapter obtains the path impedance of the charging module in the terminal, and adjusts the charging current according to the path impedance. For example, when the path impedance is greater than a preset threshold, it is determined that the path impedance is abnormal. At this time, the power adapter reduces the charging current to ensure charging safety. However, in this way, it is impossible to determine which position in the charging module is abnormal and the path impedance is abnormal. It should be noted that the charging module is a circuit in the terminal for cooperating with the power adapter to charge the terminal.
  • a thermistor is usually connected to the charging interface, and the thermistor is used to determine whether the impedance of the charging interface is abnormal.
  • the sensitivity of the thermistor is low, which makes it impossible to judge the occurrence of impedance abnormality in time, that is, the judgment result has a large delay in time.
  • the embodiments of the present application provide an abnormality detection method, device, and storage medium.
  • an embodiment of the present application provides an abnormality detection method, the method including:
  • the first electrical parameter value between the two ends of the connecting circuit in the charging module of the electronic device is determined; wherein, the connecting circuit is used to establish the output terminal of the charging interface in the charging module and The electrical connection between the input terminals of the rechargeable battery in the charging module;
  • the electrical parameter value of the charging interface is abnormal Detection.
  • the determining the first impedance between the two ends of the connecting circuit includes:
  • CPU Central Processing Unit, central processing unit
  • the first impedance between the two ends of the connection circuit is determined.
  • the The electrical parameter value of the charging interface is abnormally detected, including:
  • first electrical parameter value is less than or equal to the first threshold value, and the second electrical parameter value is greater than the second threshold value, it is determined that the electrical parameter value of the charging interface is abnormal.
  • the method further includes:
  • connection circuit If the electrical parameter value of the charging interface is abnormal, or the first electrical parameter value is greater than the first threshold, the connection circuit is controlled to be disconnected to disconnect the charging interface and the rechargeable battery. Electric connection.
  • the method further includes:
  • an embodiment of the present application provides an electronic device, the device includes: a charging module and a processor; wherein the charging module includes a charging interface, a connection circuit, and a rechargeable battery, and one end of the connection circuit is connected to the One end of the charging interface is connected, the other end of the connection circuit is connected to the rechargeable battery, and the connection circuit is used to establish an electrical connection between the charging interface and the rechargeable battery;
  • the processor is used to execute the following steps:
  • the electrical parameter value of the charging interface is abnormal Detection.
  • an embodiment of the present application provides an electronic device, including a memory and a processor, the memory stores a computer program that can be run on the processor, and the processor executes the program to implement the above-mentioned abnormality detection method A step of.
  • an embodiment of the present application provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps in the above-mentioned abnormality detection method are implemented.
  • the embodiment of the present application since the first electrical parameter value and the second electrical parameter value can be obtained quickly and accurately by a processor or a controller, compared to the anomaly detection method based on thermistor, The embodiment of the present application can timely detect whether the electrical parameter value of the charging interface is abnormal, so as to determine whether there is an abnormal connection between the charging interface and the power adapter.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the application.
  • FIG. 2 is a schematic diagram of an implementation process of an abnormality detection method according to an embodiment of the application
  • FIG. 3 is a schematic diagram of the implementation process of another abnormality detection method according to an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of another electronic device according to an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of another electronic device according to an embodiment of the application.
  • FIG. 6 is a schematic structural diagram of yet another electronic device according to an embodiment of the application.
  • FIG. 7 is a schematic structural diagram of another electronic device according to an embodiment of the application.
  • first ⁇ second ⁇ third referred to in the embodiments of this application only distinguishes similar objects, and does not represent a specific order of objects. Understandably, “first ⁇ second ⁇ third” "If permitted, the specific order or sequence can be interchanged, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein.
  • FIG. 1 is a schematic structural diagram of the electronic device of the embodiment of the present application.
  • the electronic device 10 is at least Including: the charging module 11, the charging module 11 includes a charging interface 111, a connection circuit 112 and a rechargeable battery 113; one end of the connection circuit 112 is connected to the charging interface 111, and the other end of the connection circuit is connected to the rechargeable battery 113; in other words, to charge
  • the direction of current flow is the reference direction
  • the input terminal of the connection circuit 112 is connected to the output terminal of the charging interface 111
  • the output terminal of the connection circuit 112 is connected to the input terminal of the rechargeable battery 113.
  • the connection circuit 112 is used to establish an electrical connection between the output terminal of the charging interface 111 and the input terminal of the rechargeable battery 113.
  • the electronic device may be any terminal with charging capability, for example, the electronic device is a mobile phone, a tablet computer, a notebook computer, an electronic reader, etc.; the electronic device may also be other products
  • the electronic devices are electric cars, electric bicycles, drones, mobile power supplies, electronic cigarettes, watches, bracelets, smart glasses, sweeping robots, wireless headsets, Bluetooth speakers, electric toothbrushes, rechargeable wireless mice, etc. That is to say, in the embodiment of the present application, the product form of the electronic device is not limited.
  • FIG. 2 is a schematic diagram of the implementation process of the abnormality detection method according to the embodiment of the application. As shown in FIG. 2, the method includes the following steps:
  • Step 201 When the electronic device 10 is in the charging state, the electronic device 10 determines the first electrical parameter value between the two ends of the connection circuit 112 in the charging module 11; wherein, the connection circuit 112 is used to establish the charging interface 111 in the charging module 11 Electrical connection between the output terminal and the input terminal of the rechargeable battery 113 in the charging module 11;
  • the parameter type of the first electrical parameter value is not limited, and the first electrical parameter value may be the first voltage, the first impedance, or the First power.
  • the structure of the connection circuit 112 may also be various.
  • the connection circuit 112 includes two back-to-back MOS transistors (Metal Oxide Semiconductor, metal oxide semiconductor field effect transistors), and this connection circuit 112 is also called a switch circuit.
  • the electronic device 10 can control the electrical connection state between the charging interface 111 and the rechargeable battery 113 (correspondingly including on and off) by controlling the working states (including on and off) of the two MOS transistors.
  • Step 202 The electronic device 10 determines a second electrical parameter value from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113;
  • the second electrical parameter value and the first electrical parameter value are parameter values of the same type of electrical parameter.
  • the second electrical parameter value and the first electrical parameter value may not be the same type.
  • the parameter value of the electrical parameter For example, the first electrical parameter value is impedance, and the second electrical parameter value is voltage.
  • step 201 and step 202 are not limited here.
  • step 202 may be executed first, and then step 201; or, step 201 and step 202 are executed in parallel, when step 201 is executed in parallel
  • step 202 the two chips in the electronic device 10 can be processed in parallel.
  • step 201 is processed by the CPU in the electronic device 10
  • step 202 is processed by the MCU (Micro Control Unit) in the electronic device 10. deal with.
  • MCU Micro Control Unit
  • step 203 the electronic device 10 performs a check on the charging interface 111 according to the relationship between the first electrical parameter value and a preset first threshold, and the relationship between the second electrical parameter value and the preset second threshold. Abnormal detection of electrical parameter values.
  • the first electrical parameter value for example, the first impedance
  • the first threshold is 30 milliohms.
  • the first impedance is greater than 30 milliohms, it is determined that there is an abnormality at the connecting circuit 112, and if the connecting circuit 112 is a switch
  • the circuit can trigger the switch circuit to enter the cut-off state; or, notify the power adapter so that the power adapter exits the charging state to stop charging the rechargeable battery 113.
  • the first electrical parameter value for example, the first impedance, the first voltage, or the first power
  • the second electrical parameter value is greater than the second threshold, it indicates that there is an abnormality from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113. Therefore, it results in a connection between the input terminal of the charging interface 111 and the rechargeable battery 113.
  • the reason for the abnormality between the input terminals should be: the electrical connection between the charging interface 111 and the power adapter is abnormal. At this time, the electronic device can determine that the electrical parameter value of the charging interface 111 is abnormal.
  • the second threshold may be set to 150 milliohms.
  • the cause of the abnormal electrical parameter value of the charging interface 111 may be: the adapter on the power adapter or the plug of the data cable is not completely in contact with the charging interface 111, and the impedance at the charging interface 111 will be abnormal at this time. , Resulting in an abnormal impedance from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113.
  • an abnormality detection method is provided.
  • the electronic device 10 with the charging module 11 is in a charging state
  • the first electrical parameter value and the second electrical parameter value are determined, and the first electrical parameter value is determined according to the first electrical parameter value.
  • the relationship between an electrical parameter value and the preset first threshold, and the relationship between the second electrical parameter value and the preset second threshold perform abnormal detection on the electrical parameter value of the charging interface 111 to determine Whether the electrical connection between the charging interface 111 and the power adapter is abnormal.
  • the application embodiment can timely detect whether there is an abnormal connection between the charging interface and the power adapter.
  • FIG. 3 is a schematic diagram of the implementation flow of another abnormality detection method according to the embodiment of the present application. As shown in FIG. 3, the method includes the following steps:
  • Step 301 When the electronic device 10 is in the charging state, the electronic device 10 determines the first electrical parameter value between the two ends of the connection circuit 112 in the charging module 11; wherein, the connection circuit 112 is used to establish the charging interface 111 in the charging module 11 Electrical connection between the output terminal and the input terminal of the rechargeable battery 113 in the charging module 11;
  • Step 302 The electronic device 10 determines a second electrical parameter value from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113;
  • Step 303 The electronic device 10 determines whether the second electrical parameter value is greater than a preset second threshold; if so, execute step 304; otherwise, return to execute step 301;
  • step 304 is performed to detect whether the value of the first electrical parameter between the two ends of the connection circuit 112 is less than or equal to the preset first threshold. If so, it is determined that there is no abnormality at the connection circuit 112, but the charging interface The electrical parameter value of 111 is abnormal; otherwise, it is determined that the connection circuit 112 is abnormal. At this time, the connection circuit can be disconnected to disconnect the electrical connection between the charging interface 111 and the rechargeable battery 113, thereby ensuring the safety of charging and reducing the connection circuit 112 Risk of burnout.
  • Step 304 The electronic device 10 determines whether the first electrical parameter value is less than or equal to a preset first threshold; if so, go to step 305; otherwise, go to step 307;
  • step 303 and step 304 may also be performed in parallel, that is, the relationship between the first electrical parameter value and the first threshold value, and the relationship between the second electrical parameter value and the second threshold value are determined in parallel. Or, first determine the relationship between the first electrical parameter value and the first threshold, and then determine the relationship between the second electrical parameter value and the second threshold.
  • the electronic device 10 can determine that an abnormality occurs at the charging interface 111.
  • step 305 the electronic device 10 determines that the electrical parameter value of the charging interface 111 is abnormal; then it proceeds to step 306;
  • Step 306 The electronic device 10 generates result data, and sends the result data to the power adapter connected to the charging interface, so that the power adapter adjusts its own output current or disconnects the power adapter according to the result data.
  • the electronic device 10 When the electrical parameter value of the charging interface 111 is abnormal, the electronic device 10 generates result data and sends the result data to the power adapter, instead of sending the first electrical parameter value or the second electrical parameter value to the power adapter to make The power adapter performs abnormality detection.
  • the advantage of this is that the power adapter can quickly and effectively adjust the output current (for example, reduce the output current) or disconnect the electrical connection with the charging interface 111 to exit the charging state.
  • the electronic device 10 may output a prompt message to prompt the user to check whether the charging interface and the power adapter are properly connected.
  • the electronic device 10 may also be disconnected by controlling the connection circuit 112 to disconnect the electrical connection between the charging interface 111 and the rechargeable battery 113 to stop the connection.
  • the rechargeable battery 113 is charged.
  • step 307 the electronic device 10 triggers the connection circuit 112 to disconnect the electrical connection between the charging interface 111 and the rechargeable battery 113.
  • the first electrical parameter value is less than or equal to the first threshold value, and the second electrical parameter value is greater than the second threshold value, it is determined that the electrical parameter value of the charging interface is abnormal, and then the charging of the rechargeable battery is stopped. , So as to ensure the safety of charging and reduce the risk of burning out the charging interface.
  • the embodiment of the present application provides yet another abnormality detection method, which includes the following steps:
  • Step 401 When the electronic device 10 is in a charging state, the electronic device 10 determines a second impedance from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113;
  • the second impedance is usually also called path impedance.
  • Step 402 the electronic device 10 determines whether the second impedance is greater than a preset second threshold; if yes, execute step 403; otherwise, return to execute step 401;
  • the path impedance is abnormal, that is, there is an abnormality at a certain position from the input terminal of the charging interface 111 to the input terminal of the rechargeable battery 113.
  • the electronic device 10 needs to perform further detection, that is, perform step 403 and step 404 to determine whether the electrical parameter value of the charging interface 111 is abnormal.
  • Step 403 the electronic device 10 determines the first impedance between the two ends of the connection circuit 112 in the charging module 11; wherein the connection circuit 112 is used to establish the connection between the output terminal of the charging interface 111 in the charging module 11 and the rechargeable battery 113 in the charging module 11 Electrical connection between the input terminals;
  • the electronic device 10 can read the input voltage, output voltage, and input current of the connection circuit 112 through the CPU; then, according to the input voltage, output voltage, and input current of the connection circuit 112, determine the first position between the two ends of the connection circuit 112.
  • the CPU can quickly and accurately read the electrical parameter values of the input voltage, output voltage, and input current of the connection circuit 112, it can more quickly and accurately determine the first impedance between the two ends of the connection circuit, and then Improve the efficiency of anomaly detection.
  • steps 401 to 404 is not limited here, and the relationship between the first impedance and the first threshold, and the relationship between the second impedance and the second threshold can be determined in parallel. If the first impedance is less than or equal to the first threshold and the second impedance is greater than the second threshold, it is determined that the electrical parameter value of the charging interface 111 is abnormal.
  • Step 404 the electronic device 10 determines whether the first impedance is less than or equal to a preset first threshold; if so, execute step 405; otherwise, execute step 407;
  • the charging module 11 is triggered to exit the charging state.
  • step 405 the electronic device 10 determines that the electrical parameter value of the charging interface 111 is abnormal, and then proceeds to step 406 and/or step 407;
  • Step 406 The electronic device 10 outputs a prompt message to prompt the user of the electronic device 10 to check whether the connection between the charging port and the power adapter is correct;
  • Step 407 The electronic device 10 triggers the charging module 11 to exit the charging state.
  • step 407 can be implemented in the following two ways: The first is that when the connecting circuit 112 is a switching circuit, the electronic device 10 directly triggers the connecting circuit to enter the cut-off state, so that the charging module 11 exits the charging state; , The electronic device 10 generates result data, and sends the result data to the power adapter connected to the charging interface, so that the power adapter disconnects the electrical connection with the charging interface 111, thereby exiting charging.
  • FIG. 4 is a schematic structural diagram of another electronic device in an embodiment of the application.
  • the electronic device 40 at least includes: a charging module 41, a memory 42, a processor 43, and a control ⁇ 44; where,
  • the charging module 41 includes a charging interface 411, a connection circuit 412, and a rechargeable battery 413; one end of the connection circuit 412 is connected to the charging interface 411, and the other end of the connection circuit 412 is connected to the rechargeable battery 413; in other words, according to the direction of the charging current For the reference direction, the input terminal of the connection circuit 412 is connected to the output terminal of the charging interface 411, and the output terminal of the connection circuit 412 is connected to the input terminal of the rechargeable battery 413.
  • the connection circuit 412 is used to establish an electrical connection between the output terminal of the charging interface 411 and the input terminal of the rechargeable battery 413;
  • the memory 42 stores a computer program that can run on the processor 43, and the processor 43 implements the steps in the abnormality detection method described in any embodiment of the present application when the processor 43 executes the program.
  • the processor 43 implements the steps in the abnormality detection method described in any embodiment of the present application when the processor 43 executes the program.
  • the processor 43 is configured to: when the charging interface 411 and the power adapter establish an electrical connection to charge the rechargeable battery 413, determine the first electrical parameter value between the two ends of the connection circuit 412, according to the first electrical parameter value and The relationship between the preset first threshold values is generated, a communication signal characterizing whether the connection circuit 412 is abnormal is generated, and the communication signal is sent to the controller 44;
  • the communication signal may be a series of pulse signals. If the first electrical parameter value is less than or equal to the first threshold, the processor 43 may send a pulse signal including the number of N interrupts to the controller 44, or send no information to the controller 44; if the first If an electrical parameter value is greater than the first threshold value, the processor 43 sends a pulse signal including the number of M interrupts to the controller.
  • N is not equal to M
  • N and M are both integers greater than 0, and the values of N and M can be preset.
  • the controller 44 is configured to: receive the communication signal; determine a second electrical parameter value from the input end of the charging interface 411 to the input end of the rechargeable battery 413; according to the communication signal, the second electrical parameter value In relation to the preset second threshold, abnormality detection is performed on the electrical connection between the charging interface 411 and the power adapter.
  • the controller 44 may be an MCU.
  • the controller 44 can determine whether the connection circuit 412 is abnormal according to the number of interruptions carried by the received pulse signal. When the number of interruptions carried by the pulse signal is N, it can determine that the connection circuit 412 is not abnormal; when the pulse signal carries an interruption When the number is M, it is determined that the connection circuit 412 is abnormal.
  • the processor 43 is configured to: when an electrical connection is established between the charging interface 411 and the power adapter to charge the rechargeable battery 413, determine the first impedance between the two ends of the connection circuit 412, and convert the first impedance An impedance is used as the first electrical parameter value; if the first electrical parameter value is greater than the preset first threshold, a communication signal that characterizes the abnormal impedance of the connecting circuit 412 is generated, and the impedance of the connecting circuit 412 is abnormal.
  • the communication signal is sent to the controller 44; if the first electrical parameter value is less than the first threshold value, a communication signal indicating that the impedance between the two ends of the connection circuit 412 is normal is generated, and the communication signal between the two ends of the connection circuit 412 is generated.
  • the communication signal with normal impedance is sent to the controller 44.
  • the processor 43 may be a CPU. Compared with an MCU, the CPU can detect the first electrical parameter value and the second electrical parameter value more accurately and quickly, and can compare the detected electrical parameter value. The parameter value is processed quickly, and the communication signal is generated and sent to the MCU.
  • the processor 43 is configured to: read the input voltage, output voltage, and input current of the connection circuit 412; and determine the distance between the two ends of the connection circuit 412 according to the input voltage, output voltage, and input current of the connection circuit 412 The first impedance.
  • the controller 44 is configured to: determine a second impedance from the input terminal of the charging interface 411 to the input terminal of the rechargeable battery 413; if the second impedance is greater than a preset second threshold, and The communication signal indicates that the impedance between the two ends of the connection circuit 412 is normal, and the charging module 41 is controlled to exit the charging state, and a prompt message is output to prompt the user to check the connection at the charging interface 411.
  • connection circuit 412 may be a connection circuit of various structures, as long as the electrical connection between the charging interface 411 and the rechargeable battery 413 can be realized.
  • the connection circuit 412 is a switch circuit, and the controller 44 controls whether to charge the rechargeable battery 413 by controlling the working state (including the off state and the on state) of the switch circuit.
  • the connection circuit 412 may not be a switching circuit.
  • FIG. 5 is a schematic structural diagram of another electronic device according to an embodiment of this application.
  • the electronic device 50 at least includes: a charging module 51, a memory 52, and a processor 53; ,
  • the charging module 51 includes a charging interface 511, a connection circuit 512, and a rechargeable battery 513.
  • One end of the connection circuit 512 is connected to one end of the charging interface 511, and the other end of the connection circuit 512 is connected to the rechargeable battery 513; in other words, according to the direction of the charging current For the reference direction, the input terminal of the connection circuit 512 is connected to the output terminal of the charging interface 511, and the output terminal of the connection circuit 512 is connected to the input terminal of the rechargeable battery 513.
  • the connection circuit 512 is used to establish an electrical connection between the charging interface 511 and the rechargeable battery 513;
  • the processor 53 is used to perform the following steps:
  • the first electrical parameter value between the two ends of the connection circuit 512 is determined
  • abnormal detection is performed on the electrical parameter value of the charging interface 511 To determine whether the electrical connection between the charging interface 511 and the power adapter is abnormal.
  • both the constant voltage phase and the constant current phase are controlled by the power adapter.
  • the mobile phone terminal is used to control the fast charging MCU 605 for fast charging.
  • the switch circuit ( That is, an example of the connection circuit in the above-mentioned embodiment) performs control to control the switch of the fast charging path (ie, an example of the charging module).
  • the mobile phone-side fast charging MCU 605 (that is, an example of the controller described in the above embodiment) communicates with the power adapter to inform the power adapter of the current battery voltage, and the power adapter adjusts the charging current and charging voltage according to the content of the communication. And then complete the charging process.
  • the current fast charging technology defines the control of charging current and charging voltage based on the path impedance.
  • V VBUS refers to the voltage at the pin VBUS on the charging interface, that is, the input voltage of the charging interface
  • V BAT refers to the voltage at the battery terminal, that is, the input voltage of the rechargeable battery
  • I CH refers to Is the charging current, that is, the input current of the charging interface.
  • the above method detects the impedance of the entire fast charging path, that is, the impedance of the entire path from the output of the power adapter (ie, the input end of the charging interface) to the battery end (ie, the input end of the rechargeable battery).
  • the impedance on the fast charging path is abnormal, it is impossible to determine which part of the fast charging path has the problem. If the user is not in good contact with the connector (ie the charging port on the mobile phone) using the adapter or the plug, the above-mentioned path abnormality detection can only detect the impedance abnormality on the fast charging path, thereby reducing the charging current, but it cannot be effectively judged
  • the location where the impedance is abnormal can be targeted to improve the problem, which will affect the user experience.
  • the electronic device may be a mobile terminal (such as a mobile phone).
  • FIG. 6 shows a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
  • the mobile terminal 600 includes charging Connector 601 (that is, an example of the charging interface), switch circuit 602 (that is, an example of the connection circuit), rechargeable battery 603, CPU 604 (that is, an example of the processor) and fast charging MCU 605 (that is, an example of the controller).
  • the embodiment of the present application adds a communication mechanism between the CPU 604 and the fast charging MCU 605 on the basis of the fast charging solution. Because the CPU 604 can accurately detect the voltage (ie, the charging voltage and the battery voltage) and the charging current at both ends of the switching circuit 602 (that is, an example of the connection circuit), and then calculate the impedance of the switching circuit 602 by the following formula (2) R S (that is, the first impedance):
  • R S (V CH -V BAT )/I CH (2);
  • V CH refers to the charging voltage.
  • the normal impedance of the switch circuit 602 is preset to R 1 , that is, when the CPU 604 detects that the impedance R S of the switch circuit 602 is less than R 1 , it is defined as the normal impedance.
  • the CPU 604 does not send instructions to the fast charging MCU 605, or, CPU 604 sends normal pulse train 1 to fast charge MCU 605 (pulse train is to send a specified number of interrupts on the transmission communication line, this number can be customized); when CPU 604 detects that R S is greater than R1, it is defined as abnormal Impedance.
  • the CPU 604 sends an abnormal pulse train 2 to the fast charging MCU 605, and the fast charging MCU 605 determines whether the current impedance of the switching circuit 602 is normal by the number of interruptions of the received pulse train.
  • the fast charge MCU 605 determines whether the impedance of the switch circuit 602 is normal by judging the pulse train from the CPU 604; if it is judged that the impedance of the switch circuit 602 is normal, it is determined that the impedance abnormality comes from the mobile phone charging connection The position of the charger (that is, there are two conditions, the path impedance is abnormal, and the impedance of the switch circuit 602 is normal, it is determined that the impedance at the position of the charging connector 601 is abnormal), at this time, stop charging and prompt the user to check the charging connector 601 Connection situation.
  • the communication mechanism between the CPU and the fast charging MCU 605 is added to accurately determine that the impedance of the charging connector 601 is abnormal during the fast charging process, thereby improving user experience and enhancing charging safety.
  • FIG. 7 is a schematic diagram of a hardware entity of the electronic device according to an embodiment of the application.
  • the hardware entity of the electronic device 700 includes a memory 701 and a processor 702.
  • the memory 701 stores a computer program that can run on the processor 702, and the processor 702 implements the steps in the abnormality detection method provided in the foregoing embodiment when the processor 702 executes the program.
  • the memory 701 is configured to store instructions and applications executable by the processor 702, and can also cache data to be processed or processed by the processor 702 and each module in the electronic device 700 (for example, image data, audio data, voice communication data, and Video communication data) can be realized through FLASH (flash memory) or RAM (Random Access Memory).
  • the embodiments of the present application provide a computer-readable storage medium on which a computer program is stored, and the computer program implements the steps in the abnormality detection method provided in the above-mentioned embodiments when the computer program is executed by a processor.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, such as: multiple units or components can be combined, or It can be integrated into another system, or some features can be ignored or not implemented.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms of.
  • the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • the functional units in the embodiments of the present application can all be integrated into one processing unit, or each unit can be individually used as a unit, or two or more units can be integrated into one unit;
  • the unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.
  • the foregoing program can be stored in a computer readable storage medium.
  • the execution includes The steps of the foregoing method embodiment; and the foregoing storage medium includes: removable storage devices, ROM (Read Only Memory, read-only memory), magnetic disks or optical disks and other media that can store program codes.
  • the above-mentioned integrated unit of this application is implemented in the form of a software function module and sold or used as an independent product, it may also be stored in a computer readable storage medium.
  • the computer software products are stored in a storage medium and include several instructions to enable An electronic device (which can be a mobile phone, a tablet computer, a desktop computer, a personal digital assistant, a navigator, a digital phone, a video phone, a television, a sensor device, etc.) performs all or part of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: removable storage devices, ROMs, magnetic disks or optical discs and other media that can store program codes.

Abstract

本申请实施例公开了异常检测方法及设备、存储介质，其中，所述方法包括：当电子设备处于充电状态时，确定所述电子设备的充电模块中连接电路两端之间的第一电参数值；其中，所述连接电路用于建立所述充电模块中充电接口的输出端与所述充电模块中充电电池的输入端之间的电连接；确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。

Description

异常检测方法及设备、存储介质
相关申请的交叉引用
本申请基于申请号为201910579156.2、申请日为2019年06月28日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此以全文引用的方式引入本申请。
技术领域
本申请实施例涉及电子技术，涉及但不限于异常检测方法及设备、存储介质。
背景技术
随着充电技术的发展，终端的充电速度得到大幅度提升。然而，随之带来的就是如何确保充电安全的问题。常用的技术手段是，当电源适配器接入电源为终端进行充电时，电源适配器获取终端中的充电模块的通路阻抗，并依据通路阻抗调节充电电流。例如，当通路阻抗大于预设阈值时，确定通路阻抗异常，此时电源适配器通过降低充电电流，从而保证充电安全。但是，这种方式却无法确定是充电模块中的哪个位置发生异常而导致的通路阻抗异常。需要说明的是，所述充电模块为所述终端中用于配合所述电源适配器为所述终端进行充电的电路。
基于此，为了检测是否是充电模块中充电接口处存在异常，通常在充电接口处连接一个热敏电阻，通过热敏电阻判断充电接口的阻抗是否异常。然而，热敏电阻的灵敏度较低，导致其无法及时地判断阻抗异常的出现，即判断结果在时间上存在较大延迟。
发明内容
本申请实施例提供一种异常检测方法及设备、存储介质。
本申请实施例的技术方案是这样实现的：
第一方面，本申请实施例提供一种异常检测方法，所述方法包括：
当电子设备处于充电状态时，确定所述电子设备的充电模块中连接电路两端之间的第一电参数值；其中，所述连接电路用于建立所述充电模块中充电接口的输出端与所述充电模块中充电电池的输入端之间的电连接；
确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；
根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。
在一些实施例中，所述确定所述连接电路两端之间的第一阻抗，包括：
通过CPU(Central Processing Unit，中央处理器)读取所述连接电路的输入电压、输出电压和输入电流；
根据所述连接电路的输入电压、输出电压和输入电流，确定所述连接电路两端之间的第一阻抗。
在一些实施例中，所述根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测，包括：
如果所述第一电参数值小于或等于所述第一阈值，且所述第二电参数值大于所述第二阈值，确定所述充电接口的电参数值存在异常。
在一些实施例中，所述方法还包括：
如果所述充电接口的电参数值存在异常，或者所述第一电参数值大于所述第一阈值，控制所述连接电路断开，以断开所述充电接口与所述充电电池之间的电连接。
在一些实施例中，所述方法还包括：
如果所述充电接口的电参数值存在异常，生成结果数据，所述结果数据中携带有表征所述充电接口存在异常的指示信息；
将所述结果数据发送给与所述充电接口连接的所述电源适配器，以使所述 电源适配器依据所述结果数据调整自身的输出电流或者断开与所述充电接口之间的电连接以退出充电状态。
第二方面，本申请实施例提供一种电子设备，所述设备包括：充电模块和处理器；其中，所述充电模块包括充电接口、连接电路和充电电池，所述连接电路的一端与所述充电接口的一端连接，所述连接电路的另一端与所述充电电池连接，所述连接电路用于建立所述充电接口与所述充电电池之间的电连接；
所述处理器用于执行以下步骤：
当所述充电接口与电源适配器建立电连接时，确定所述连接电路两端之间的第一电参数值；
确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；
根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。
第三方面，本申请实施例提供一种电子设备，包括存储器和处理器，所述存储器存储有可在处理器上运行的计算机程序，所述处理器执行所述程序时实现上述异常检测方法中的步骤。
第四方面，本申请实施例提供一种计算机可读存储介质，其上存储有计算机程序，该计算机程序被处理器执行时实现上述的异常检测方法中的步骤。
本申请实施例中，由于所述第一电参数值和所述第二电参数值能够通过处理器或者控制器快速而准确地获取得到，因此，相比于基于热敏电阻的异常检测方法，本申请实施例能够及时地检测出充电接口的电参数值是否存在异常，从而确定所述充电接口与电源适配器之间是否存在连接异常。
附图说明
图1为本申请实施例电子设备的结构示意图；
图2为本申请实施例异常检测方法的实现流程示意图；
图3为本申请实施例另一异常检测方法的实现流程示意图；
图4为本申请实施例另一电子设备的结构示意图；
图5为本申请实施例又一电子设备的结构示意图；
图6为本申请实施例再一电子设备的结构示意图；
图7为本申请实施例另一电子设备的结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请的具体技术方案做进一步详细描述。以下实施例用于说明本申请，但不用来限制本申请的范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中所使用的术语只是为了描述本申请实施例的目的，不是旨在限制本申请。
在以下的描述中，涉及到“一些实施例”，其描述了所有可能实施例的子集，但是可以理解，“一些实施例”可以是所有可能实施例的相同子集或不同子集，并且可以在不冲突的情况下相互结合。
需要指出，本申请实施例所涉及的术语“第一\第二\第三”仅仅是是区别类似的对象，不代表针对对象的特定排序，可以理解地，“第一\第二\第三”在允许的情况下可以互换特定的顺序或先后次序，以使这里描述的本申请实施例能够以除了在这里图示或描述的以外的顺序实施。
为了便于读者对以下实施例所提供的异常检测方法的理解，本申请实施例先提供一种电子设备，图1为本申请实施例电子设备的结构示意图，如图1所示，电子设备10至少包括：充电模块11，充电模块11包括充电接口111、连接电路112和充电电池113；连接电路112的一端与充电接口111连接，连接电路的另一端与充电电池113连接；换句话说，以充电电流的流向为参考方向，连接电路112的输入端与充电接口111的输出端连接，连接电路112的输出端与充电电池113的输入端连接。连接电路112用于建立充电接口111的输出端 与充电电池113的输入端之间的电连接。
结合图1所示的电子设备结构示意图，以下对异常检测方法的各实施例进行说明。在本申请各实施例中，所述电子设备可以是任意具有充电能力的终端，例如，所述电子设备为手机、平板电脑、笔记本电脑、电子阅读器等；所述电子设备还可以是其他产品，例如，所述电子设备为电动汽车、电动自行车、无人机、移动电源、电子烟、手表、手环、智能眼镜、扫地机器人、无线耳机、蓝牙音响、电动牙刷、可充电无线鼠标等。也就是说，在本申请实施例中，对所述电子设备的产品形式不做限定。
本申请实施例提供一种异常检测方法，图2为本申请实施例异常检测方法的实现流程示意图，如图2所示，所述方法包括以下步骤：
步骤201，当电子设备10处于充电状态时，电子设备10确定充电模块11中连接电路112两端之间的第一电参数值；其中，连接电路112用于建立充电模块11中充电接口111的输出端与充电模块11中充电电池113的输入端之间的电连接；
需要说明的是，在本申请实施例中，不限定所述第一电参数值的参数类型，所述第一电参数值可以是连接电路112两端之间的第一电压、第一阻抗或第一功率。连接电路112的结构也可以是多种多样的。例如，连接电路112包括两个背靠背的MOS管(Metal Oxide Semiconductor，金属氧化物半导体场效应晶体管)，这种连接电路112也被称之为开关电路。电子设备10可以通过控制这两个MOS管的工作状态(包括导通和截止)来控制充电接口111与充电电池113之间的电连接状态(对应包括导通和断开)。
步骤202，电子设备10确定从充电接口111的输入端到充电电池113的输入端之间的第二电参数值；
一般来说，所述第二电参数值与所述第一电参数值是同类型电参数的参数值，当然，所述第二电参数值与所述第一电参数值也可以不是同类型电参数的参数值。例如，所述第一电参数值为阻抗，所述第二电参数值为电压。
需要说明的是，这里不限定步骤201和步骤202的执行顺序，在一些实施 例中，也可以先执行步骤202，再执行步骤201；或者，并行执行步骤201和步骤202，当并行执行步骤201和步骤202时，可以分别由电子设备10中的两个芯片并行处理，例如，步骤201由电子设备10中的CPU处理，步骤202由电子设备10中的MCU(Micro Control Unit，微控单元)处理。
步骤203，电子设备10根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对充电接口111的电参数值进行异常检测。
可以理解地，如果连接电路112两端之间的第一电参数值(例如第一阻抗)大于所述第一阈值时，说明连接电路112处存在异常，此时可以触发充电模块11退出充电状态。以所述第一电参数值为第一阻抗为例，设所述第一阈值为30毫欧，当第一阻抗大于30毫欧时，确定连接电路112处存在异常，如果连接电路112为开关电路，可以触发开关电路进入截止状态；或者，告知电源适配器，以使电源适配器退出充电状态，以停止对充电电池113进行充电。
在一些实施例中，如果所述第一电参数值(例如第一阻抗、第一电压或第一功率)小于或等于预设的第一阈值，说明连接电路112处不存在异常，并且，如果所述第二电参数值大于所述第二阈值，说明从充电接口111的输入端到充电电池113的输入端之间的存在异常，因此，导致从充电接口111的输入端到充电电池113的输入端之间的存在异常的原因应该是：充电接口111与电源适配器之间的电连接存在异常，此时电子设备可以确定充电接口111的电参数值存在异常。
这里仍以所述第一电参数值是第一阻抗，所述第二电参数值是第二阻抗为例，可以将所述第二阈值设置为150毫欧。
可以理解地，导致充电接口111的电参数值存在异常的原因可能是：电源适配器上的转接头或者数据线的插头没有与充电接口111完全接触，此时就会导致充电接口111处的阻抗异常，从而导致从充电接口111的输入端到充电电池113的输入端之间的阻抗异常。
需要说明的是，不同类型的电参数，其对应的预设阈值是不同的。也就是 说，第一电参数值与第一阈值的单位是一样的。
在本申请实施例中，提供一种异常检测方法，当具有充电模块11的电子设备10处于充电状态时，确定所述第一电参数值和所述第二电参数值，并依据所述第一电参数值与预设的第一阈值之间的关系、以及所述第二电参数值与预设的第二阈值之间的关系，对充电接口111的电参数值进行异常检测，从而确定充电接口111与电源适配器之间的电连接是否存在异常。由于所述第一电参数值和所述第二电参数值能够通过电子设备10中的处理器或者控制器快速而准确地获取得到，因此，相比于基于热敏电阻的异常检测方法，本申请实施例能够及时地检测出充电接口与电源适配器之间是否存在连接异常。
本申请实施例提供另一异常检测方法，图3为本申请实施例另一异常检测方法的实现流程示意图，如图3所示，该方法包括以下步骤：
步骤301，当电子设备10处于充电状态时，电子设备10确定充电模块11中连接电路112两端之间的第一电参数值；其中，连接电路112用于建立充电模块11中充电接口111的输出端与充电模块11中充电电池113的输入端之间的电连接；
步骤302，电子设备10确定从充电接口111的输入端到充电电池113的输入端之间的第二电参数值；
步骤303，电子设备10确定所述第二电参数值是否大于预设的第二阈值；如果是，执行步骤304；否则，返回执行步骤301；
可以理解地，如果所述第二电参数值大于预设的第二阈值，说明从充电接口111的输入端到充电电池113的输入端之间的某个位置处存在异常，此时还需要进行进一步地检测，即执行步骤304，检测连接电路112两端之间的第一电参数值是否小于或等于预设的第一阈值，如果是，则确定连接电路112处没有异常，而是充电接口111的电参数值存在异常；否则，确定连接电路112存在异常，此时可以通过断开连接电路，以断开充电接口111与充电电池113之间的电连接，从而保证充电安全，降低连接电路112被烧坏的风险。
步骤304，电子设备10确定所述第一电参数值是否小于或等于预设的第一阈值；如果是，执行步骤305；否则，执行步骤307；
在一些实施例中，也可以并行执行步骤303和步骤304，即，并行确定第一电参数值与第一阈值之间的关系、第二电参数值与第二阈值之间的关系。或者，先确定第一电参数值与第一阈值之间的关系，再确定第二电参数值与第二阈值之间的关系。当上述两种关系满足以下条件，即，第一电参数值小于或等于第一阈值，且第二电参数值大于第二阈值时，电子设备10就可以确定异常出现在充电接口111处。
步骤305，电子设备10确定充电接口111的电参数值存在异常；然后进入步骤306；
步骤306，电子设备10生成结果数据，并将所述结果数据发送给与所述充电接口连接的所述电源适配器，以使所述电源适配器依据所述结果数据调整自身的输出电流或者断开与所述充电接口之间的电连接以退出充电状态；其中，所述结果数据中携带有表征所述充电接口存在异常的指示信息；
当充电接口111的电参数值存在异常时，电子设备10生成结果数据，并将所述结果数据发送给电源适配器，而不是将第一电参数值或者第二电参数值发送给电源适配器以使电源适配器来进行异常检测，这样的好处在于，可以使电源适配器快速有效地调整输出电流(例如降低输出电流)或者断开与充电接口111之间的电连接，以退出充电状态。
在实现时，当充电接口111的电参数值存在异常时，电子设备10可以通过输出提示消息，以提示用户检查充电接口与电源适配器是否连接正确。
在一些实施例中，当充电接口111的电参数值存在异常时，电子设备10还可以通过控制连接电路112断开，以断开充电接口111与充电电池113之间的电连接，以停止对充电电池113进行充电。
步骤307，电子设备10触发连接电路112断开充电接口111与充电电池113之间的电连接。
在本申请实施例中，如果第一电参数值小于或等于第一阈值，且第二电参 数值大于第二阈值时，确定充电接口的电参数值存在异常，此时停止对充电电池进行充电，从而保证充电安全，降低充电接口被烧坏的风险。
本申请实施例提供又一异常检测方法，该方法包括以下步骤：
步骤401，当电子设备10处于充电状态时，电子设备10确定从充电接口111的输入端到充电电池113的输入端之间的第二阻抗；
需要说明的是，第二阻抗，通常也被称之为通路阻抗。
步骤402，电子设备10确定所述第二阻抗是否大于预设的第二阈值；如果是，执行步骤403；否则，返回执行步骤401；
可以理解地，如果第二阻抗大于预设的第二阈值，说明通路阻抗异常，即从充电接口111的输入端到充电电池113的输入端之间的某个位置处出现异常，此时为了确定具体是哪个位置处出现了异常，电子设备10需要做进一步地检测，即，执行步骤403和步骤404，以确定是否是充电接口111的电参数值存在异常。
步骤403，电子设备10确定充电模块11中连接电路112两端之间的第一阻抗；其中，连接电路112用于建立充电模块11中充电接口111的输出端与充电模块11中充电电池113的输入端之间的电连接；
在实现时，电子设备10可以通过CPU读取连接电路112的输入电压、输出电压和输入电流；然后根据连接电路112的输入电压、输出电压和输入电流，确定连接电路112两端之间的第一阻抗。即，第一阻抗＝(输入电压与输出电压之间的差值)/输入电流。
可以理解地，由于CPU能够快速而准确地读取连接电路112的输入电压、输出电压和输入电流等电参数值，从而能够更加快速且准确地确定连接电路两端之间的第一阻抗，进而提高异常检测效率。
需要说明的是，这里不限定步骤401至步骤404这几个步骤的先后执行顺序，可以并行确定第一阻抗与第一阈值之间的关系、第二阻抗与第二阈值之间的关系。如果第一阻抗小于或等于第一阈值，且第二阻抗大于第二阈值，确定 充电接口111的电参数值存在异常。
步骤404，电子设备10确定所述第一阻抗是否小于或等于预设的第一阈值；如果是，执行步骤405；否则，执行步骤407；
可以理解地，如果第一阻抗小于或等于第一阈值，说明连接电路112处不存在异常，异常可能出现在充电接口111处；同理，如果第一阻抗大于第一阈值，说明连接电路112处存在异常，此时为了保证充电安全，以及降低连接电路112被烧坏的风险，触发充电模块11退出充电状态。
步骤405，电子设备10确定充电接口111的电参数值存在异常，然后，进入步骤406和/或进入步骤407；
步骤406，电子设备10输出提示消息，以提示电子设备10的用户检查充电接口与电源适配器之间是否连接正确；
步骤407，电子设备10触发充电模块11退出充电状态。
在实现时，可以通过以下两种方式实现步骤407：第一种是，当连接电路112是开关电路，电子设备10直接触发连接电路进入截止状态，从而使充电模块11退出充电状态；第二种，电子设备10生成结果数据，并将所述结果数据发送给与所述充电接口连接的所述电源适配器，以使所述电源适配器断开与所述充电接口111之间的电连接，从而退出充电状态。
本申请实施例再提供一种电子设备，图4为本申请实施例另一电子设备的结构示意图，如图4所示，电子设备40至少包括：充电模块41、存储器42、处理器43和控制器44；其中，
所述充电模块41包括充电接口411、连接电路412和充电电池413；连接电路412的一端与充电接口411连接，连接电路412的另一端与充电电池413连接；换句话说，以充电电流的流向为参考方向，连接电路412的输入端与充电接口411的输出端连接，连接电路412的输出端与充电电池413的输入端连接。连接电路412用于建立充电接口411的输出端与充电电池413的输入端之间的电连接；
存储器42存储有可在处理器43上运行的计算机程序，处理器43执行所述程序时实现本申请任一实施例所述的异常检测方法中的步骤。在一个示例中，
处理器43，配置为：当充电接口411与电源适配器通过建立电连接给充电电池413进行充电时，确定连接电路412两端之间的第一电参数值，根据所述第一电参数值与预设的第一阈值之间的关系，生成表征连接电路412是否存在异常的通信信号，将所述通信信号发送给控制器44；
在实现时，所述通信信号可以是一串脉冲信号。如果所述第一电参数值小于或等于所述第一阈值，处理器43可以发送包括N个中断个数的脉冲信号给控制器44，或者不发送任何信息给控制器44；如果所述第一电参数值大于所述第一阈值，处理器43发送包括M个中断个数的脉冲信号给控制器。其中，N不等于M，N和M均为大于0的整数，N和M的值可以预设设置。
控制器44，配置为：接收所述通信信号；确定从充电接口411的输入端到充电电池413的输入端之间的第二电参数值；根据所述通信信号、所述第二电参数值与预设的第二阈值之间的关系，对充电接口411与电源适配器之间的电连接进行异常检测。
在实现时，所述控制器44可以是MCU。控制器44可以依据接收的脉冲信号所携带的中断个数来确定连接电路412是否存在异常，当脉冲信号携带的中断个数为N时，确定连接电路412不存在异常；当脉冲信号携带的中断个数为M时，确定连接电路412存在异常。
在一些实施例中，处理器43，配置为：当充电接口411与电源适配器通过建立电连接以给充电电池413进行充电时，确定连接电路412两端之间的第一阻抗，将所述第一阻抗作为所述第一电参数值；如果所述第一电参数值大于预设的第一阈值时，生成表征连接电路412的阻抗异常的通信信号，并将表征连接电路412的阻抗异常的通信信号发送给控制器44；如果所述第一电参数值小于所述第一阈值时，生成表征连接电路412两端之间的阻抗正常的通信信号，并将表征连接电路412两端之间的阻抗正常的通信信号发送给控制器44。
在实现时，所述处理器43可以是CPU，相比于MCU，CPU能够更加准确 且快速地检测到所述第一电参数值和所述第二电参数值，并能够对检测到的电参数值快速进行处理，生成所述通信信号发送给MCU。
在一些实施例中，处理器43，配置为：读取连接电路412的输入电压、输出电压和输入电流；根据连接电路412的输入电压、输出电压和输入电流，确定连接电路412两端之间的第一阻抗。
在一些实施例中，控制器44，配置为：确定从充电接口411的输入端到充电电池413的输入端之间的第二阻抗；如果所述第二阻抗大于预设的第二阈值，且所述通信信号表征连接电路412两端之间的阻抗正常，控制充电模块41退出充电状态，并输出提示消息，以提示用户检查充电接口411处的连接情况。
需要说明的是，在本申请实施例中，连接电路412可以是多种结构的连接电路，只要能够实现充电接口411与充电电池413之间的电连接即可。例如，连接电路412为开关电路，控制器44通过控制所述开关电路的工作状态(包括截止状态和导通状态)，来控制是否对充电电池413进行充电。在一些实施例中，连接电路412也可以不是开关电路。
本申请实施例再提供一种电子设备，图5为本申请实施例再一电子设备的结构示意图，如图5所示，电子设备50至少包括：充电模块51、存储器52和处理器53；其中，
充电模块51包括充电接口511、连接电路512和充电电池513，连接电路512的一端与充电接口511的一端连接，连接电路512的另一端与充电电池513连接；换句话说，以充电电流的流向为参考方向，连接电路512的输入端与充电接口511的输出端连接，连接电路512的输出端与充电电池513的输入端连接。连接电路512用于建立充电接口511与充电电池513之间的电连接；
处理器53用于执行以下步骤：
当充电接口511与电源适配器建立电连接时，确定连接电路512两端之间的第一电参数值；
确定从充电接口511的输入端到充电电池513的输入端之间的第二电参数 值；
根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对充电接口511的电参数值进行异常检测，以确定所述充电接口511与电源适配器之间的电连接是否存在异常。
在一些实施例中，若通过直充方式对电池进行快速充电，则恒压阶段和恒流阶段皆由电源适配器进行控制，手机端用于控制快速充电的快充MCU 605，通过对开关电路(即上述实施例中所述连接电路的一种示例)进行控制，来控制快充通路(即所述充电模块的一种示例)的开关。
手机端快充MCU 605(即上述实施例所述的控制器的一种示例)与电源适配器进行通信，告知电源适配器当前的电池电压，电源适配器根据通信内容来进行充电电流和充电电压的调节，进而完成充电过程。
当前的快充技术中定义了基于通路阻抗控制充电电流和充电电压，当通路阻抗大于预设值时，电源适配器会相应地降低充电电流或者退出快充模式；其中，通路阻抗R T的计算公式如下式：
R T＝(V VBUS-V BAT)/I CH      (1)；
式中，V VBUS指的是充电接口上的引脚VBUS处的电压，即所述充电接口的输入电压；V BAT指的是电池端的电压，即所述充电电池的输入电压；I CH指的是充电电流，即所述充电接口的输入电流。
上述方法检测的是整个快充通路的阻抗，即从电源适配器的输出(即所述充电接口的输入端)到电池端(即所述充电电池的输入端)整个路径上的阻抗。当快充通路上的阻抗异常时，无法判断出到底是快充通路上的哪部分出现了问题。若由于用户使用转接头或插线与连接器(即手机端的充电接口)未接触好时，上述通路异常检测只能检测出快充通路上的阻抗异常，从而降低充电电流，但是却无法有效判断导致阻抗异常出现的位置以针对性地改善问题，如此将会影响用户体验。
当连接器位置的阻抗异常时，在充电过程中会持续地发热升温，这样存在 烧连接器的风险。虽然在电路设计时会在连接器位置放置NTC(Negative Temperature Coefficient，负温度系数)热敏电阻，但由于NTC热敏电阻的反应灵敏度不高，所以通常无法准确提前地判断发生阻抗异常的位置。
基于此，下面将说明本申请实施例在一个实际的应用场景中的示例性应用。在一个实施例中，所述电子设备可以为一部移动终端(例如手机)，图6示出了本申请实施例一种移动终端的结构示意图，如图6所示，该移动终端600包括充电连接器601(即所述充电接口的一种示例)、开关电路602(即所述连接电路的一种示例)、充电电池603、CPU 604(即所述处理器的一种示例)和快充MCU 605(即所述控制器的一种示例)。
如图6所示，本申请实施例在快充方案的基础上，增加CPU 604与快充MCU 605之间的通信机制。由于CPU 604可以精确地检测到开关电路602(即所述连接电路的一种示例)两端的电压(即充电电压与电池电压)和充电电流，继而通过以下公式(2)计算开关电路602的阻抗R S(即所述第一阻抗)：
R S＝(V CH-V BAT)/I CH      (2)；
式中，V CH指的是充电电压。如此，可以精准地确定开关电路602当前的阻抗。预设开关电路602的正常阻抗为R 1，即当CPU 604检测到开关电路602的阻抗R S小于R 1时，定义为正常阻抗，此时CPU 604不向快充MCU 605发送指令，或者，CPU 604向快充MCU 605发送正常脉冲串1(脉冲串即在传输通信线上发送指定数量的中断个数，此数量可自定义)；当CPU 604检测到R S大于R1时，定义为异常阻抗，此时CPU 604向快充MCU 605发送异常脉冲串2，快充MCU 605通过接收的脉冲串的中断个数来进行判别当前开关电路602的阻抗是否正常。
当检测到整个通路阻抗异常时，快充MCU 605通过判断CPU 604传来的脉冲串来确认开关电路602的阻抗是否正常；若判断开关电路602的阻抗正常，则确定阻抗异常来源于手机充电连接器的位置(也就是，这里有两个条件，通路阻抗异常，且开关电路602的阻抗正常时，确定充电连接器601位置处的阻 抗异常)，此时停止充电且提示用户检查充电连接器601连接情况。
在本申请实施例中，通过增加CPU与快充MCU 605的通信机制，来准确判断出在快充过程中充电连接器601的阻抗异常，进而提高用户体验并增强充电安全。
本申请实施例提供一种电子设备，图7为本申请实施例电子设备的一种硬件实体示意图，如图7所示，该电子设备700的硬件实体包括：包括存储器701和处理器702，所述存储器701存储有可在处理器702上运行的计算机程序，所述处理器702执行所述程序时实现上述实施例中提供的异常检测方法中的步骤。
存储器701配置为存储由处理器702可执行的指令和应用，还可以缓存待处理器702以及电子设备700中各模块待处理或已经处理的数据(例如，图像数据、音频数据、语音通信数据和视频通信数据)，可以通过FLASH(闪存)或RAM(Random Access Memory，随机访问存储器)实现。
本申请实施例提供一种计算机可读存储介质，其上存储有计算机程序，该计算机程序被处理器执行时实现上述实施例中提供的异常检测方法中的步骤。
这里需要指出的是：以上存储介质和设备实施例的描述，与上述方法实施例的描述是类似的，具有同方法实施例相似的有益效果。对于本申请存储介质和设备实施例中未披露的技术细节，请参照本申请方法实施例的描述而理解。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本申请的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元；既可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外，在本申请各实施例中的各功能单元可以全部集成在一个处理单元中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、ROM(Read Only Memory，只读存储器)、磁碟或者光盘等各种可以存储程序代码的介质。
或者，本申请上述集成的单元如果以软件功能模块的形式实现并作为独立 的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请实施例的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得电子设备(可以是手机、平板电脑、台式机、个人数字助理、导航仪、数字电话、视频电话、电视机、传感设备等)执行本申请各个实施例所述方法的全部或部分。而前述的存储介质包括：移动存储设备、ROM、磁碟或者光盘等各种可以存储程序代码的介质。
本申请所提供的几个方法实施例中所揭露的方法，在不冲突的情况下可以任意组合，得到新的方法实施例。
本申请所提供的几个产品实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的产品实施例。
本申请所提供的几个方法或设备实施例中所揭露的特征，在不冲突的情况下可以任意组合，得到新的方法实施例或设备实施例。
以上所述，仅为本申请的实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (20)

  1. 一种异常检测方法，其中，所述方法包括：
    当电子设备处于充电状态时，确定所述电子设备的充电模块中连接电路两端之间的第一电参数值；其中，所述连接电路用于建立所述充电模块中充电接口的输出端与所述充电模块中充电电池的输入端之间的电连接；
    确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；
    根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。
  2. 根据权利要求1所述的方法，其中，所述确定所述电子设备的充电模块中连接电路两端之间的第一电参数值，包括：
    确定所述连接电路两端之间的第一阻抗，将所述第一阻抗作为所述第一电参数值。
  3. 根据权利要求2所述的方法，其中，所述确定所述连接电路两端之间的第一阻抗，包括：
    通过CPU检测所述连接电路的输入电压、输出电压和输入电流；
    根据所述连接电路的输入电压、输出电压和输入电流，确定所述连接电路两端之间的第一阻抗。
  4. 根据权利要求1至3任一项所述的方法，其中，所述根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测，包括：
    如果所述第一电参数值小于或等于所述第一阈值，且所述第二电参数值大于所述第二阈值，确定所述充电接口的电参数值存在异常。
  5. 根据权利要求4所述的方法，其中，所述方法还包括：
    如果所述充电接口的电参数值存在异常，或者所述第一电参数值大于所述第一阈值，控制所述连接电路断开，以断开所述充电接口与所述充电电池之间的电连接。
  6. 根据权利要求4所述的方法，其中，所述方法还包括：
    如果所述充电接口的电参数值存在异常，生成结果数据，所述结果数据中携带有表征所述充电接口存在异常的指示信息；
    将所述结果数据发送给与所述充电接口连接的电源适配器，以使所述电源适配器依据所述结果数据调整自身的输出电流或者断开与所述充电接口之间的电连接以退出充电状态。
  7. 根据权利要求1所述的方法，其中，所述确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值，包括：
    确定所述充电接口的输入端到所述充电电池的输入端之间的第二阻抗，将所述第二阻抗作为所述第二电参数值。
  8. 根据权利要求7所述的方法，其中，所述第二阻抗为通路阻抗。
  9. 根据权利要求3所述的方法，其中，所述根据所述连接电路的输入电压、输出电压和输入电流，确定所述连接电路两端之间的第一阻抗，包括：
    利用第一阻抗＝(输入电压与输出电压之间的差值)/输入电流，确定所述连接电路两端之间的第一阻抗。
  10. 根据权利要求4所述的方法，其中，所述方法还包括：
    如果所述充电接口的电参数值存在异常，输出提示消息，以提示所述电子设备的用户检查所述充电接口与电源适配器之间是否连接正确。
  11. 根据权利要求4所述的方法，其中，所述方法还包括：
    如果所述充电接口的电参数值存在异常，且所述连接电路为开关电路，控制所述连接电路进入截止状态，以使所述电子设备的充电模块退出充电状态；
    或，如果所述第一电参数大于所述第一阈值，且所述连接电路为开关电路，控制所述连接电路进入截止状态，以使所述电子设备的充电模块退出充电状态。
  12. 一种电子设备，其中，所述设备包括：充电模块和处理器；其中，所述充电模块包括充电接口、连接电路和充电电池，所述连接电路的一端与所述充电接口的一端连接，所述连接电路的另一端与所述充电电池连接，所述连接电路用于建立所述充电接口与所述充电电池之间的电连接；
    所述处理器用于执行以下步骤：
    当所述充电接口与电源适配器建立电连接时，确定所述连接电路两端之间的第一电参数值；
    确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；
    根据所述第一电参数值与预设的第一阈值之间的关系、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。
  13. 根据权利要求12所述的电子设备，其中，所述电子设备还包括控制器，其中，
    所述处理器，配置为，当所述充电接口与电源适配器通过建立电连接给所述充电电池进行充电时，确定所述连接电路两端之间的第一电参数值，根据所述第一电参数值与预设的第一阈值之间的关系，生成表征所述连接电路是否存在异常的通信信号，将所述通信信号发送给所述控制装置；
    所述控制器，配置为，接收所述通信信号；确定从所述充电接口的输入端到所述充电电池的输入端之间的第二电参数值；根据所述通信信号、所述第二电参数值与预设的第二阈值之间的关系，对所述充电接口的电参数值进行异常检测。
  14. 根据权利要求13所述的电子设备，其中，所述处理器，配置为： 当所述充电接口与电源适配器通过建立电连接给所述充电电池进行充电时，确定所述连接电路两端之间的第一阻抗，将所述第一阻抗作为所述第一电参数值；如果所述第一电参数值大于预设的第一阈值时，生成表征所述连接电路的阻抗异常的通信信号，并将表征连接电路的阻抗异常的通信信号发送给所述控制器；如果所述第一电参数值小于所述第一阈值时，生成表征连接电路两端之间的阻抗正常的通信信号，并将表征连接电路两端之间的阻抗正常的通信信号发送给所述控制器。
  15. 根据权利要求14所述的电子设备，其中，所述处理器，配置为：读取所述连接电路的输入电压、输出电压和输入电流；根据所述连接电路的输入电压、输出电压和输入电流，确定连接电路两端之间的第一阻抗。
  16. 根据权利要求14所述的电子设备，其中，所述控制器，配置为：确定从所述充电接口的输入端到充电电池的输入端之间的第二阻抗；如果所述第二阻抗大于预设的第二阈值，且所述通信信号表征连接电路两端之间的阻抗正常，控制充电模块退出充电状态，并输出提示消息，以提示用户检查充电接口处的连接情况。
  17. 根据权利要求13至16任一项所述的电子设备，其中，所述通信信号为脉冲信号；对应地，所述控制器，配置为根据接收的脉冲信号所携带的中断个数来确定所述连接电路是否存在异常。
  18. 根据权利要求17所述的电子设备，其中，所述处理器为中央处理器CPU，所述控制器为微控单元MCU。
  19. 一种电子设备，包括存储器和处理器，所述存储器存储有可在处理器上运行的计算机程序，其中，所述处理器执行所述程序时实现权利要求1至11任一项所述的异常检测方法中的步骤。
  20. 一种计算机可读存储介质，其上存储有计算机程序，其中，该计算机程序被处理器执行时实现权利要求1至11任一项所述的异常检测方法中的步骤。
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