WO2021080045A1 - Dispositif électronique utilisant une pluralité de batteries, et son procédé de commande - Google Patents

Dispositif électronique utilisant une pluralité de batteries, et son procédé de commande Download PDF

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Publication number
WO2021080045A1
WO2021080045A1 PCT/KR2019/014127 KR2019014127W WO2021080045A1 WO 2021080045 A1 WO2021080045 A1 WO 2021080045A1 KR 2019014127 W KR2019014127 W KR 2019014127W WO 2021080045 A1 WO2021080045 A1 WO 2021080045A1
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WIPO (PCT)
Prior art keywords
battery
electronic device
value
load
equal
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Application number
PCT/KR2019/014127
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English (en)
Korean (ko)
Inventor
고민영
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2019/014127 priority Critical patent/WO2021080045A1/fr
Publication of WO2021080045A1 publication Critical patent/WO2021080045A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering

Definitions

  • the present invention relates to an electronic device for discharging at least one of a plurality of batteries based on a state of a battery included in the electronic device, and a method for controlling the same.
  • Electronic devices that require power can generally be used by plugging a plug into a power outlet of a home or office to receive commercial electricity.
  • power can be supplied and used through a battery separately mounted in an electronic device.
  • the problem to be solved by the present invention is to provide an electronic device and a method for controlling the same so that power supply to the electronic device is made more efficiently by discharging at least one of a plurality of batteries based on the state of the battery included in the electronic device. It is to do.
  • An electronic device includes a first battery having a first capacity and a processor, wherein the processor checks the connection of a second battery having a second capacity, and At least one of whether a discharge current is greater than or equal to a first value or a voltage of the first battery is less than or equal to a second value, and the discharge current of the first battery is less than a first value and the voltage of the battery is second When the value is exceeded, the first battery is discharged, and the first battery and the second battery are discharged when the discharge current of the first battery is greater than or equal to the first value or the voltage of the first battery is less than or equal to the second value. I can make it.
  • a method of controlling an electronic device includes the steps of checking a connection of a second battery having a second capacity in a method of controlling an electronic device including a first battery having a first capacity; Determining at least one of whether the discharge current of the first battery is greater than or equal to a first value or whether the voltage of the first battery is less than or equal to a second value, and the discharge current of the first battery is less than a first value When the voltage of the battery exceeds a second value, the first battery is discharged, and when the discharge current of the first battery is greater than or equal to a first value or the voltage of the first battery is less than or equal to a second value, the first battery and the It may include discharging the second battery.
  • the computer-readable recording medium includes the steps of verifying a connection between an electronic device including a first battery having a first capacity and a second battery having a second capacity, and Checking at least one of whether a discharge current is greater than or equal to a first value or whether the voltage of the first battery is less than or equal to a second value, and the discharge current of the first battery is less than a first value and the voltage of the battery is When the second value is exceeded, the first battery is discharged, and the first battery and the second battery are discharged when the discharge current of the first battery is greater than or equal to the first value or the voltage of the first battery is less than or equal to the second value.
  • the control method of the electronic device including the step of allowing the electronic device to be controlled may be recorded.
  • An electronic device and a method for controlling the same may discharge at least one of a plurality of batteries based on a state of a battery included in the electronic device to more effectively supply power.
  • FIG. 1 is a block diagram illustrating a mobile terminal related to the present invention.
  • FIG. 2 shows a state before the mobile terminal is coupled to the auxiliary device in the terminal set related to the present invention.
  • FIG 3 shows a state in which a mobile terminal is coupled to an auxiliary device.
  • FIG. 4 is a diagram illustrating a state in which the folio cover of the auxiliary device is separated from the state of FIG. 3.
  • FIG. 5 is a conceptual diagram of an electronic device according to an embodiment of the present invention.
  • FIG. 6 is a conceptual diagram illustrating battery discharge of an electronic device according to an embodiment of the present invention.
  • FIG. 7 is a functional block diagram of an electronic device according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of each step of a method of controlling an electronic device according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of each step of a method of controlling an electronic device according to another embodiment of the present invention.
  • FIG. 10 is a flowchart of each step of a method of controlling an electronic device according to another embodiment of the present invention.
  • FIG. 11 is a conceptual diagram illustrating a current flow when a plurality of batteries are discharged in parallel in an electronic device according to an embodiment of the present invention.
  • FIG. 12 is a conceptual diagram illustrating a current flow when a plurality of batteries are individually discharged in an electronic device according to an embodiment of the present invention.
  • FIG. 13 is a diagram illustrating an example of an electronic device and another electronic device according to an embodiment of the present invention.
  • FIG. 14 is a diagram illustrating another example of an electronic device and another electronic device according to an embodiment of the present invention.
  • Mobile terminals described herein include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation systems, and slate PCs.
  • PDAs personal digital assistants
  • PMPs portable multimedia players
  • slate PCs slate PCs.
  • Tablet PC tablet PC
  • ultrabook ultrabook
  • wearable device wearable device, for example, smartwatch, glass-type terminal (smart glass), HMD (head mounted display)), etc. may be included. have.
  • FIG. 1 is a block diagram illustrating a mobile terminal 100 related to the present invention.
  • the mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, a control unit 180, and a power supply unit 190. And the like. Since the components shown in FIG. 4 are not essential for implementing the mobile terminal, the mobile terminal described in the present specification may have more or fewer components than the components listed above.
  • the wireless communication unit 110 includes a wireless communication unit between the mobile terminal 100 and a wireless communication system, between the mobile terminal 100 and another mobile terminal, or between the mobile terminal 100 and an external server. It may include one or more modules that enable communication. In addition, the wireless communication unit 110 may include one or more modules that connect the mobile terminal 100 to one or more networks.
  • the wireless communication unit 110 may include at least one of a broadcast reception module 111, a mobile communication module 112, a wireless Internet module 113, a short-range communication module 114, and a location information module 115. .
  • the input unit 120 includes a camera 121 or an image input unit for inputting an image signal, a microphone 122 for inputting an audio signal, or an audio input unit, and a user input unit 123 for receiving information from a user, for example, , A touch key, a mechanical key, etc.).
  • the voice data or image data collected by the input unit 120 may be analyzed and processed as a user's control command.
  • the sensing unit 140 may include one or more sensors for sensing at least one of information in the mobile terminal, information on surrounding environments surrounding the mobile terminal, and user information.
  • the sensing unit 140 includes a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, and gravity.
  • G-sensor gyroscope sensor
  • motion sensor motion sensor
  • RGB sensor infrared sensor
  • IR sensor infrared sensor
  • fingerprint sensor fingerprint sensor
  • ultrasonic sensor ultrasonic sensor
  • Optical sensor for example, camera (see 121)), microphone (microphone, see 122), battery gauge, environmental sensor (for example, barometer, hygrometer, thermometer, radiation detection sensor, It may include at least one of a heat sensor, a gas sensor, etc.), and a chemical sensor (eg, an electronic nose, a healthcare sensor, a biometric sensor, etc.).
  • the mobile terminal disclosed in the present specification may combine and utilize information sensed by at least two or more of these sensors.
  • the output unit 150 is for generating an output related to visual, auditory or tactile sense, and includes at least one of a display unit 151, an audio output unit 152, a hap tip module 153, and a light output unit 154. can do.
  • the display unit 151 of the mobile terminal 100 corresponds to the first display described in FIGS. 1 to 3.
  • the display unit 151 may implement a touch screen by forming a layer structure or integrally with the touch sensor. Such a touch screen may function as a user input unit 123 that provides an input interface between the mobile terminal 100 and a user, and may provide an output interface between the mobile terminal 100 and a user.
  • the interface unit 160 serves as a passage between various types of external devices connected to the mobile terminal 100.
  • the interface unit 160 is a wired/wireless headset port, a charging port, a wired/wireless data port, a memory card port, a port for connecting a device equipped with an identification module. (port), an audio input/output (I/O) port, a video input/output (I/O) port, and an earphone port.
  • the mobile terminal 100 may perform appropriate control related to the connected external device in response to the connection of the external device to the interface unit 160.
  • the memory 170 stores data supporting various functions of the mobile terminal 100.
  • the memory 170 may store a plurality of application programs (application programs or applications) driven by the mobile terminal 100, data for operation of the mobile terminal 100, and commands. At least some of these application programs may be downloaded from an external server through wireless communication. In addition, at least some of these application programs may exist on the mobile terminal 100 from the time of delivery for basic functions of the mobile terminal 100 (eg, incoming calls, outgoing functions, message reception, and outgoing functions). Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and driven by the controller 180 to perform an operation (or function) of the mobile terminal.
  • the controller 180 In addition to the operation related to the application program, the controller 180 generally controls the overall operation of the mobile terminal 100.
  • the controller 180 may provide or process appropriate information or functions to a user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the memory 170.
  • controller 180 may control at least some of the components described with reference to FIG. 4 in order to drive the application program stored in the memory 170. Further, in order to drive the application program, the controller 180 may operate by combining at least two or more of the components included in the mobile terminal 100 with each other.
  • the power supply unit 190 receives external power or internal power under the control of the controller 180 and supplies power to each of the components included in the mobile terminal 100.
  • the power supply unit 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.
  • the power supply unit 190 may include a charging port, and the charging port may be configured as an example of an interface 160 to which an external charger supplying power for charging a battery is electrically connected.
  • At least some of the components may operate in cooperation with each other to implement an operation, control, or control method of a mobile terminal according to various embodiments described below.
  • the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170.
  • FIG. 2 to 4 are conceptual diagrams for explaining a terminal set 10 related to the present invention.
  • FIG. 2 shows a state before the mobile terminal (or electronic device) 100 is coupled to the auxiliary device 200 in the terminal set 10 related to the present invention. ) Shows the combined state.
  • FIG. 4 shows a state in which the cover member 260 of the auxiliary device 200 is separated from the state of FIG. 3, respectively. Refer to Figs. 2 to 4 together for better understanding.
  • the terminal set 10 of the present invention includes a mobile terminal 100 having a display and an auxiliary device 200 that is combined with the mobile terminal 100 to provide an extended display.
  • the auxiliary device 200 is again coupled to the seating member 210 and the seating member 210, which is an area where the mobile terminal 100 is coupled, to selectively cover the mobile terminal 100 and mount the extended display ( 260).
  • the mobile terminal 100 and the auxiliary device 200 form an output area, respectively, to provide a multi-display, thereby increasing usability.
  • a display provided in the mobile terminal 100 is referred to as a first display 151, and a display provided in the auxiliary device 200 is referred to as a second display 261.
  • the second display 261 may be provided on both the inner and outer surfaces of the cover member 260.
  • the second display 261 provided on the inner side is defined as the inner second display 2611
  • the second display 261 provided on the outer side is defined as the outer second display 2612.
  • the inner second display 2611 is for the purpose of being viewed simultaneously with the first display when the cover member 260 is unfolded
  • the outer second display 2612 is viewed on the terminal set 10 when the cover member 260 is closed. It can be used in particular for the purpose of becoming.
  • the first display 151 and the second display 261, in particular, the inner second display 2611 may be output in connection with each other.
  • the first display 151 and the inner second display 2611 may be mirrored and output, or the screen output on the first display 151 may be moved to the inner second display 2611 for output.
  • an execution screen of one application or a plurality of linked applications may be divided and output on the first display and the inner second display 2611.
  • the controller of the game application may be output on the first display 151 and the game content may be output on the inner second display 2611. That is, the terminal set 10 of the present invention can operate like a single device having a plurality of displays, which means that the auxiliary device 200 shares several configurations provided in the mobile terminal 100.
  • the outer second display 2612 may output relatively simple information. For example, it can perform a function of outputting simple text information or image information such as call reception, message reception, and alarm. Since the outer second display 2612 is provided, there is an advantage that information can be checked without a separate operation while the cover member 260 is closed.
  • the controller 180 and the power supply unit 190 of the mobile terminal 100 may supply power to the second display 261 as well as the first display 151 and transmit and receive data. Accordingly, the auxiliary device 200 can operate without a separate control unit 180 and a power supply unit 190. This can reduce the weight or volume of the auxiliary device 200 and achieve the effect of reducing manufacturing cost.
  • the mobile terminal 100 is physically coupled to the auxiliary device 200, and the auxiliary device 200 includes the mobile terminal 100 and the second display 261. It has a circuit for electrically connecting the. This is defined as a borough circuit part.
  • the auxiliary device 200 of the present invention proposes a form in which the cover member 260 is selectively attached and detached from the seating member 210. Advantages of the auxiliary device 200 having the detachable cover member 260 are as follows.
  • the cover member 260 when the cover member 260 is not used, a function of physically protecting the mobile terminal 100 can be obtained by coupling only the seating member 210 to the mobile terminal 100.
  • the cover member 260 In the conventional case where the cover member 260 is always fixed to the seating member 210, the cover member 260 must be used in a state of large volume and weight even though the cover member 260 is not used, and the grip feeling of the mobile terminal 100 is reduced. Let it. Therefore, by coupling only the seating member 210 to the mobile terminal 100, this disadvantage can be compensated.
  • the removable cover member 260 may be continuously used even if the mobile terminal 100 and the seating member 210 are replaced. For example, even if the seating member 210 used in conjunction with a specific mobile terminal 100 is damaged or lost, only the seating member 210 may be replaced and the previously used cover member 260 may be used as it is.
  • the previously used cover member 260 may be combined and used.
  • the mobile terminal 100 and the seating member 210 having different shapes or sizes are configured to be compatible with the existing cover member 260.
  • the cover member 260 may be combined in a different form.
  • the cover member 260 when the cover member 260 is inverted and configured to be coupled to the seating member 210, the two displays 151 and 261 can be viewed in the same direction or in opposite directions, thereby allowing various user experiences (user experience). experience).
  • the seating member 210 may be provided in the form of a terminal case.
  • the seating member 210 forms a seating area on which the rear surface of the mobile terminal 100 is seated.
  • the seating member 210 forms an output area of the display unit of the mobile terminal 100 when the mobile terminal 100 is seated, that is, an open area so that the first display 151 can be visually recognized on the front side.
  • at least one area of the rear surface of the seating member 210 also has an opening so that the camera part of the mobile terminal 100 is exposed.
  • the circumference of the side of the seating member 210 is formed to correspond to the shape of the circumference of the side of the mobile terminal 100 so that the mobile terminal 100 can be fitted to the terminal case 210.
  • the cover member 260 and the seating member 210 of the auxiliary device 200 of the present invention are coupled and separated by a fastening portion 264.
  • At least one rotation axis is formed at one corner of the seating member 210 to selectively cover the seating area).
  • the cover member 260 may be detachably coupled to a side surface or a rear surface of one corner of the seating member 210. Combining to the side may minimize an increase in the thickness of the terminal set 10, and bonding to the side and rear may minimize an increase in the bezel of the terminal set 10. In the present invention, it is described on the premise that it is coupled to the side of the seating member 210, but it may be coupled to the rear surface of the seating member 210 in some cases.
  • the cover member 260 provides the above-described second display 261 by mounting the display panel 2611.
  • the display panel 2611 is exposed on one surface of the cover member 260 to form an output area.
  • the display panel 2611 may include a touch panel for receiving an external touch input.
  • the hinge part 265 is provided on the cover member 260 and provides at least one rotation axis so that the cover member 260 can rotate with respect to the seating member 210.
  • the cover member 260 rotated by the hinge portion 265 selectively covers the seating area of the seating member 210.
  • FIG. 5 is a conceptual diagram of an electronic device according to an embodiment of the present invention.
  • the electronic device 500 may be connected to another electronic device 510.
  • the electronic device 500 may correspond to the electronic device (eg, the mobile terminal 100) described in FIGS. 1 to 4, and the other electronic device 510 may correspond to the auxiliary device 200.
  • the electronic device 100 may include a first battery 520 as a component for self-supplying power.
  • the auxiliary device 200 may include a second battery 530 as a separate component from the first battery 520 to supply power.
  • the first battery 520 and the second battery 530 may be different types of batteries having different capacities.
  • the capacity of the first battery 520 may be greater than the capacity of the second battery 530.
  • the first battery 520 and the second battery 530 may be batteries having different materials (eg, lithium (Li) and nickel (Ni)).
  • the first battery 520 may be a component that provides power to perform various operations of the electronic device 500. In response to power supply, the first battery 520 may be discharged.
  • discharge' may mean a phenomenon in which current flows from a charged battery.
  • the second battery 530 may be a component that provides power to supply power to another electronic device 510. However, it is not limited thereto, and for example, when there is no separate power sink that requires power to the other electronic device 510, the second battery 530 does not supply power to the other electronic device 510. May not.
  • the second battery 520 may be connected to the electronic device 500 based on the connection between the electronic device 500 and another electronic device 510. Although described later, discharge of the second battery 520 may be controlled by the electronic device 500 based on this connection.
  • the electronic device 500 may discharge at least one of the first battery 520 and the second battery 530 based on the state of the first battery 520 to supply power.
  • FIG. 6 For a conceptual description of the discharging operation of the electronic device 500, reference may be made to FIG. 6.
  • FIG. 6 is a conceptual diagram illustrating battery discharge of an electronic device according to an embodiment of the present invention. Specifically, FIG. 6(a) shows a case in which the first battery 610 provided in the electronic device is in a first state. FIG. 6(b) shows a case in which the first battery 630 is in a second state. An example of a battery discharge operation is shown.
  • the second battery 620 may be a component included in another electronic device connected to the electronic device.
  • the electronic device may receive current from the second battery 620 based on a connection with another electronic device.
  • the electronic device may obtain information on the discharge current of the first battery 610 at a specific time interval. Based on this, the electronic device may determine whether the discharge current of the first battery 610 is greater than or equal to a specific value.
  • the specific value may be known as a current value when the load applied to the first battery 610 is a high load.
  • the discharge current of the first battery 610 is greater than or equal to a specific value, the first battery 610 and the second battery 620 are discharged in parallel (or together, or simultaneously) as shown in FIG. 6(a). As a result, current (or power) may be supplied to the electronic device.
  • the value of the discharge current may mean the current that discharges the battery within a specific time (e.g., 1 hour), that is, the value of the discharge rate, and this value is a specific value (e.g., 0.5C (c-rate)) ), as described above, parallel discharge, that is, parallel discharge for the first battery 610 and the second battery 620 may be performed.
  • the second battery 640 is a component included in another electronic device connected to the electronic device, and the electronic device may receive current from the second battery 620 based on connection with the other electronic device.
  • the electronic device may obtain information on the voltage of the first battery 630 at a specific time interval. Based on this, the electronic device may determine whether the voltage of the first battery 630 is less than or equal to a specific value.
  • the specific value may be predetermined as, for example, the cut-off voltage of the first battery 630.
  • the electronic device When the voltage of the first battery 630 is less than a specific value (for example, 3.6V (volt)), the electronic device connects the first battery 630 and the second battery 640 as shown in FIG. 6(b). They can be discharged in parallel (or together, or at the same time).
  • a specific value for example, 3.6V (volt)
  • FIG. 7 is a functional block diagram of an electronic device according to an embodiment of the present invention. Specifically, FIG. 7 is a functional block diagram of the electronic device 700 and another electronic device 730 connected to the electronic device 700.
  • the electronic device 700 may include a first battery 710 and a processor 720.
  • Another electronic device 730 may include a second battery 740.
  • Each component included in the electronic device 700 and the other electronic device 730 may be implemented by hardware or software, or a combination of hardware and software.
  • the processor 720 may be implemented by a computing device including a microprocessor to perform various operations described below.
  • the first battery 710 may be configured to supply current (or power) to the electronic device 700.
  • the first battery 710 is discharged based on the application of a load by the electronic device 700, so that the electronic device 700 (or a component that requires a current in the electronic device 700 (not shown)) ) Can supply current.
  • the first battery 710 may have a first capacity.
  • the first capacity may be different from the capacity of the second battery 740, for example, the capacity of the first battery 710 may be greater than the capacity of the second battery 740.
  • the present invention is not limited to these examples.
  • the first battery 710 may be formed of a material different from that of the second battery 740.
  • the first battery 710 may be a lithium-ion battery
  • the second battery 740 may be a nickel-zinc battery.
  • the processor 720 may check the connection of the second battery 740. Specifically, the processor 720 may determine whether the second battery 740 is connected to the electronic device 700 based on the connection with the other electronic device 730.
  • connection method between the electronic device 700 and the other electronic device 730 may be a standard connection method established for connection between general electronic devices (eg, USB universal serial bus power delivery (PD) standard).
  • PD universal serial bus power delivery
  • it may be a unique connection method for connection between the electronic device 700 and another electronic device 730.
  • various pieces of information on other electronic devices 730 may be provided to the electronic device 700.
  • information on the aging state of the second battery 740 may be provided to the electronic device 700.
  • the processor 720 may check at least one of whether the discharge current of the first battery 710 is greater than or equal to the first value or whether the voltage of the first battery 710 is less than or equal to the second value.
  • the value of the discharge current may mean a current that discharges the battery for a specific time (eg, 1 hour), for example, a value of a discharge rate.
  • the confirmation of the discharge current or voltage of the first battery 710 may be performed regardless of the order of the connection confirmation of the second battery 740 described above.
  • the processor 720 may check the discharge current or voltage of the first battery 710 in units of a predetermined time in response to power being supplied by the first battery 710.
  • the processor 720 may discharge the first battery 710 when the discharge current of the first battery 710 is less than the first value and the voltage of the first battery 710 is greater than the second value. Specifically, when the discharge current of the first battery 710 is less than the first value and the voltage of the first battery 710 exceeds the second value, the processor 720 applies a load to the first battery 710. Power may be supplied to the electronic device 700 by applying and discharging.
  • the supply of power through the first battery 710 may be performed in the same manner as the supply of power through a general case, for example, through a single cell battery.
  • the processor 720 may operate the first battery 710 and the second battery 740. It can be discharged. That is, if only at least one of the cases in which the discharge current of the first battery 710 is greater than or equal to the first value or the voltage of the first battery 710 is less than or equal to the second value is satisfied, the first battery 710 and the second The battery 740 may be discharged.
  • the processor 720 connects the first battery 710 and the second battery 740 when the discharge current of the first battery 710 is greater than or equal to a first value or when the voltage of the first battery 710 is less than or equal to the second value. It can be discharged in parallel. For example, when the discharge current of the first battery 710 is greater than or equal to a first value or the voltage of the first battery 710 is less than or equal to a second value, the first battery 710 and the second battery ( The 740 may be discharged together (or simultaneously) or may be discharged alternately at predetermined time intervals.
  • the processor 720 may determine the total amount of current required by the electronic device 700 and the first battery 710 and the second battery 740.
  • a first load applied to the first battery and a second load applied to the second battery may be determined based on at least one of the capacities.
  • the processor 720 When the discharge current of the first battery 710 is greater than or equal to the first value, it may mean a case in which a high load is applied to the first battery 710, and accordingly, the processor 720 reduces the load applied to the first battery 710. It can be changed to the first load.
  • the second battery 740 may be discharged in parallel using the second load. That is, the processor 720 may discharge the first battery 710 based on the first load and the second battery 740 based on the second load.
  • the first value may be a predetermined value that is high enough to cause a large amount of energy loss due to internal resistance.
  • the processor 720 determines the second load based on Equation 1 below and calculates the first load based on Equation 2 below. You can decide.
  • Sub load is the second load (unit: mA)
  • I is the total amount of current required by the electronic device 700 (unit: mA)
  • BattCap sub is the capacity of the second battery 740 (e.g. 2 Capacity) (unit: mAh)
  • BattCap main is the capacity of the first battery 710 (eg, first capacity) (unit: mAh).
  • Main load is the first load (unit: mA)
  • I is the total amount of current (unit: mA) required by the electronic device 700 and other electronic devices 730
  • Sub load is the second load (unit: : mA).
  • the processor 720 may check whether a separate power sink for which power is required for the other electronic device 730 exists or the aging state of the first battery 710 and the second battery 740.
  • the processor 720 When there is a separate power sink for which power is required for the other electronic device 730, the processor 720 additionally considers the amount of current or power required by the other electronic device 730 to provide the first load and The second load can be determined.
  • the processor 720 may determine the first load and the second load by additionally considering the checked aging state.
  • the aging state indicates, for example, the degree of aging, and may be expressed as a value between 0 and 1, assuming that a new battery without aging is 1, and a battery with 100% aging is 0.
  • the confirmation of the aging state of the second battery 740 may be performed when the connection between the electronic device 700 and the other electronic device 730 is a known connection method (eg, a connection method of an original standard).
  • Information related to the connection method in which the aging state can be checked may be stored in the electronic device 700 in advance, and the processor 720 is a connection method in which the connection method with the other electronic device 730 is based on this. Whether or not it can be determined.
  • the processor 720 may check the aging state in the case of a connection method capable of confirming the aging state.
  • the processor 720 may determine the second load in consideration of the power sinking and aging state of the other electronic device 730 based on Equation 3 below.
  • Sub load is the second load (unit: mA)
  • I is the total amount of current (unit: mA) required by the electronic device 700 and other electronic devices 730
  • Aging sub is the second battery 740
  • Aging main is the aging state of the first battery 710
  • BattCap sub is the capacity of the second battery 740 (eg, second capacity) (unit: mAh)
  • BattCap main is the first battery 710
  • Capacity e.g., first capacity
  • ⁇ is a predetermined constant for load adjustment of the second battery 740
  • ⁇ is the average current consumed in the power sink of the other electronic device 730 (unit : mA).
  • the first load may be determined based on Equation 2.
  • the related equation when either the power sinking or the aging state is not confirmed, the related equation may be omitted.
  • I when the power sink is not identified, in Equation 3, I may be the total amount of current required by the electronic device 700, and the' ⁇ - ⁇ ' part may be omitted or may be determined as 1.
  • the aging state when the aging state is not confirmed, in Equation 3 The part may be omitted, or each of the aging sub and aging main may be determined as 1.
  • the processor 720 determines the total amount of current required by the electronic device 700, the capacity of the first battery 710 and the second battery 740, and the first battery.
  • a first load applied to the first battery 710 and a second load applied to the second battery 740 may be determined based on the state of charge of 710 and the state of charge of the second battery 740.
  • the processor 720 may discharge the first battery 710 based on the first load and the second battery 740 based on the second load.
  • the second value may be a value predetermined as a cut-off voltage value of the first battery 710.
  • the processor 720 determines the second load based on Equation 4 below, and the value for the second load determined in Equation 2
  • the first load can be determined by substituting.
  • Sub load is the second load (unit: mA)
  • I is the total amount of current required by the electronic device 700 (unit: mA)
  • SoC sub is the state of charge of the second battery 740 (unit: %)
  • SoC main is the state of charge of the first battery 710 (unit: %)
  • BattCap sub is the capacity of the second battery 740 (eg, second capacity) (unit: mAh)
  • BattCap main is the first This is the capacity of the battery 710 (eg, first capacity) (unit: mAh).
  • the processor 720 may check whether a separate power sink for which power is required for the other electronic device 730 exists or the aging state of the first battery 710 and the second battery 740.
  • the processor 720 When there is a separate power sink for which power is required for the other electronic device 730, the processor 720 additionally considers the amount of current or power required by the other electronic device 730 to provide the first load and The second load can be determined.
  • the processor 720 may determine the first load and the second load by additionally considering the checked aging state.
  • the processor 720 may determine the second load in consideration of the power sinking and aging state of the other electronic device 730 described above based on Equation 3 below.
  • Sub load is the second load (unit: mA)
  • I is the total amount of current (unit: mA) required by the electronic device 700 and other electronic devices 730
  • SoC sub is the second battery 740 ) Of the charging state (unit: %)
  • SoC main is the charging state of the first battery 710 (unit: %)
  • Aging sub is the aging state of the second battery 740
  • Aging main is the first battery 710 Of the aging state
  • BattCap sub is the capacity of the second battery 740 (eg, second capacity) (unit: mAh)
  • BattCap main is the capacity of the first battery 710 (eg, first capacity) (unit: mAh )
  • ⁇ is a predetermined constant for load adjustment of the second battery 740
  • ⁇ is an average current consumed in the power sink of the other electronic device 730 (unit: mA).
  • the first load may be determined based on Equation 2.
  • the related equation when either the power sinking or the aging state is not confirmed, the related equation may be omitted.
  • I in Equation 5 may be the total amount of current required by the electronic device 700, and the' ⁇ - ⁇ ' part may be omitted or determined as 1.
  • the aging state when the aging state is not confirmed, in Equation 3 The part may be omitted, or each of the aging sub and aging main may be determined as 1.
  • the electronic device 700 when the first battery 710 is discharged with a high current, a load is divided and applied to not only the first battery 710 but also the second battery 740. Energy loss can be reduced by reducing the load on the battery.
  • the electronic device 700 reduces the load applied to the first battery 710 before the voltage of the first battery 710 becomes a second value (eg, a cutoff voltage) to reduce the voltage of the first battery 710. By reducing the drop, the remaining energy can be used as much as possible.
  • a second value eg, a cutoff voltage
  • the electronic device 700 allows the first battery 710 and the second battery 740 having different capacities (or different aging states) to be used in parallel. Discharge imbalance problem can be solved.
  • FIG. 8 is a flowchart of each step of a method of controlling an electronic device according to an embodiment of the present invention. Each step of the method illustrated in FIG. 8 may be performed in a different order from that illustrated in the drawings depending on the case.
  • the processor of the electronic device may check the connection of the second battery having the second capacity (810 ).
  • the electronic device may be connected to another electronic device including the second battery, and the processor may check the connection of the second battery based on this.
  • the electronic device may itself have a first battery having a first capacity, and in this case, the first capacity and the second capacity may have different capacities, but are not limited thereto.
  • the processor may check at least one of whether the discharge current of the first battery is greater than or equal to the first value or whether the voltage of the first battery is less than or equal to the second value (820).
  • the processor may determine at least one of whether the discharge current of the first battery is greater than or equal to the first value or whether the voltage of the first battery is less than or equal to the second value, based on checking the discharge current or voltage of the first battery.
  • the processor may discharge the first battery or discharge the first battery and the second battery based on the checked result (830 ).
  • the processor may discharge the first battery when the discharge current of the first battery is less than the first value and the voltage of the first battery is greater than the second value.
  • the processor may discharge the first battery and the second battery when the discharge current of the first battery is greater than or equal to the first value or the voltage of the first battery is less than or equal to the second value.
  • the processor when the discharge current of the first battery is greater than or equal to the first value, includes a first battery applied to the first battery based on at least one of a total amount of current required by the electronic device and a capacity of the first battery and the second battery. The load and the second load applied to the second battery may be determined. The processor may discharge the first battery based on the first load and discharge the second battery based on the second load.
  • the processor determines the total amount of current required by the electronic device, the capacity of the first battery and the second battery, the state of charge of the first battery, and the state of charge of the second battery.
  • a first load applied to the first battery and a second load applied to the second battery may be determined as a basis.
  • the processor may discharge the first battery based on the first load and discharge the second battery based on the second load.
  • the processor may check the aging state of the first battery and the second battery, that is, the degree of aging. In this case, the processor may determine a first load applied to the first battery and a second load applied to the second battery in consideration of aging states of the first battery and the second battery. For a more detailed description related to this, refer to FIG. 9.
  • the processor may check power (or current) consumed by another electronic device.
  • the processor may determine a first load applied to the first battery and a second load applied to the second battery in consideration of the checked power. For a more detailed description related to this, refer to FIG. 10.
  • FIG. 9 is a flowchart of each step of a method of controlling an electronic device according to another embodiment of the present invention.
  • Step 910 of FIG. 9 may correspond to step 810 of FIG. 8, and step 920 of FIG. 9 may correspond to step 820 of FIG. 8. Accordingly, content overlapping with the content described in FIG. 8 will be omitted.
  • the processor may determine whether the connection method of the second battery is the first connection method (930 ).
  • the first connection method may be a predetermined connection method capable of obtaining information on an aging state, for example, a unique connection method developed for information exchange between an electronic device and another electronic device.
  • the connection method of the second battery is not the first connection method, for example, in the case of the USB PD standard method as of 2019, the processor is The discharging operation of the second battery may be performed.
  • the processor may acquire the aging state of the second battery based on the first connection method (940 ). For example, the processor may obtain information on the aging state of the second battery from another electronic device through the first connection method.
  • the processor may acquire the aging state of the first battery (950).
  • the acquisition of the aging state of the first battery may be performed regardless of the order. For example, when discharging the first battery, the processor may acquire the aging state of the battery at specific time intervals.
  • the processor may determine a first load applied to the first battery and a second load applied to the second battery in consideration of aging states of the first battery and the second battery (960 ).
  • the processor may determine the first load and the second load by further reflecting the aging state of each battery in step 830 of FIG. 8.
  • the processor may use the first battery based on the first load and may use the second battery based on the second load (970). Specifically, the processor applies the first load to the first battery and the second load to the second battery to discharge the first battery and the second battery, thereby discharging the first battery and the second battery to drive the electronic device. Can be used. The application of the load to the battery and the use of the battery is easy for a person skilled in the art, so a detailed description will be omitted.
  • FIG. 10 is a flowchart of each step of a method of controlling an electronic device according to another embodiment of the present invention.
  • Step 1010 of FIG. 10 may correspond to step 810 of FIG. 8, and step 1020 of FIG. 10 may correspond to step 820 of FIG. 8. Accordingly, content overlapping with the content described in FIG. 8 will be omitted.
  • the processor may check current (or power) consumed by another electronic device (1030). Specifically, when the discharge current of the first battery is greater than or equal to the first value or the voltage of the first battery is less than or equal to the second value, the processor may check the current consumed by another electronic device based on the second battery.
  • the consumed current may be identified.
  • the consumed current may not be identified.
  • the processor may determine a first load applied to the first battery and a second load applied to the second battery in consideration of current consumed by another electronic device (1040 ).
  • a detailed method of determining the first load and the second load in consideration of current consumed by other electronic devices eg, using Equation 3 or Equation 5 has been described above with reference to FIG. 7 and a detailed description thereof will be omitted.
  • the processor may use the first battery based on the first load and the second battery based on the second load (1050). Specifically, the processor applies the first load to the first battery and the second load to the second battery to discharge the first battery and the second battery, thereby discharging the first battery and the second battery to drive the electronic device. Can be used.
  • FIG. 11 is a conceptual diagram illustrating a current flow when a plurality of batteries are discharged in parallel in an electronic device according to an embodiment of the present invention.
  • the electronic device 1110 may be connected to another electronic device 1150.
  • the connection method 1101 may be a standard connection method established for connection between electronic devices (eg, USB PD standard), or a unique connection between the electronic device 1110 and other electronic devices 1150 It can also be a connection method.
  • various pieces of information on the other electronic device 1150 may be provided to the electronic device 1110.
  • information on the aging state of the second battery 1170 may be provided to the electronic device 1110.
  • the electronic device 1110 may include a power sink 1120 that consumes current (or power).
  • the power sink 1120 may be of various configurations included in the electronic device 1110 such as a display and a camera.
  • the processor 1140 may supply current (or power, or power) from the first battery 1130 to the power sink 1120 of the electronic device 1110.
  • the processor 1140 may receive current from another electronic device 1150 (1103) and may supply current to the power sink 1120.
  • the discharge current of the first battery 1130 Is greater than or equal to the first value (high load state) or the voltage of the first battery 1130 is less than or equal to the second value (low voltage state).
  • the current from the other electronic device 1150 may be that the processor 1180 of the other electronic device 1150 receives the current from the second battery 1170 and provides it to the electronic device 1110.
  • the current supplied from the second battery 1170 may be based on the application of a second load determined by the processor 1140 to the second battery 1170. As described above with respect to the determination of the second load, a detailed description will be omitted.
  • the other electronic device 1150 may also include a power sink 1160 that is a separate component that consumes current.
  • the second battery 1170 may also supply current to the power sink 1160.
  • the current of the second battery 1170 may be divided and supplied to the power sink 1160 and the electronic device 1110, so the processor 1140 takes this into account. Loads applied to the first battery 1130 and the second battery 1170 may be determined.
  • FIG. 12 is a conceptual diagram illustrating a current flow when a plurality of batteries are individually discharged in an electronic device according to an embodiment of the present invention. Specifically, FIG. 12 conceptually shows a state in which no current flows between an electronic device and another electronic device.
  • the electronic device 1210 may be connected 1201 to another electronic device 1250. If the discharge current of the first battery 1230 is less than the first value and the voltage of the first battery 1230 exceeds the second value, as shown in FIG. 12, the current supply related to the electronic device 1210 is first It can be made only by the battery 1230. That is, the processor 1240 may provide current to the power sink 1220 using the first battery 1230.
  • the processor 1280 of the other electronic device 1250 may supply current to the power sink 1260 of the other electronic device 1250 using the second battery 1270.
  • 13 and 14 are diagrams illustrating an example of an electronic device and another electronic device according to an embodiment of the present invention.
  • FIG. 13 shows an example in which the electronic device 1310 is implemented as a mobile terminal (or a smart phone) and the other electronic device 1320 is implemented as a speaker.
  • 14 is a diagram illustrating an example in which the electronic device 1410 is implemented as a camera and the other electronic device 1420 is implemented as an auxiliary battery 1420.
  • the electronic device can effectively manage the life or use of a battery by determining whether to use another battery connected according to a state of a basic battery (eg, a first battery) provided in the electronic device. . For example, when a high load or low voltage is applied to the first battery of the electronic device, the supply of current supplied to the electronic device is distributed by using the second battery to prevent failure or decrease in lifespan of the first battery. 1
  • the battery can be used effectively.
  • Combinations of each block in the block diagram attached to the present specification and each step in the flowchart may be performed by computer program instructions. Since these computer program instructions can be mounted on the processor of a general-purpose computer, special purpose computer or other programmable data processing equipment, the instructions executed by the processor of the computer or other programmable data processing equipment are displayed in each block or flowchart of the block diagram. Each step creates a means to perform the functions described.
  • These computer program instructions can also be stored in computer-usable or computer-readable memory that can be directed to a computer or other programmable data processing equipment to implement a function in a particular way, so that the computer-usable or computer-readable memory It is also possible to produce an article of manufacture in which the instructions stored in the block diagram contain instruction means for performing the functions described in each block of the block diagram or each step of the flowchart. Since computer program instructions can also be mounted on a computer or other programmable data processing equipment, a series of operating steps are performed on a computer or other programmable data processing equipment to create a computer-executable process to create a computer or other programmable data processing equipment. It is also possible for the instructions to perform the processing equipment to provide steps for executing the functions described in each block of the block diagram and each step of the flowchart.
  • each block or each step may represent a module, segment, or part of code that contains one or more executable instructions for executing the specified logical function(s).
  • functions mentioned in blocks or steps may occur out of order.
  • two blocks or steps shown in succession may in fact be performed substantially simultaneously, or the blocks or steps may sometimes be performed in the reverse order depending on the corresponding function.

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

Abstract

Dispositif électronique qui, selon un mode de réalisation de la présente invention, peut comprendre : une première batterie ayant une première capacité ; et un processeur, le processeur identifiant une connexion d'une deuxième batterie ayant une deuxième capacité, déterminant si la première batterie a un courant de décharge supérieur ou égal à une première valeur et/ou si la première batterie a une tension inférieure ou égale à une deuxième valeur, déchargeant la première batterie lorsque la première batterie a un courant de décharge inférieur à la première valeur et la batterie a une tension supérieure à la deuxième valeur, et déchargeant la première batterie et la deuxième batterie lorsque la première batterie a un courant de décharge supérieur ou égal à la première valeur ou la première batterie a une tension inférieure ou égale à la deuxième valeur.
PCT/KR2019/014127 2019-10-25 2019-10-25 Dispositif électronique utilisant une pluralité de batteries, et son procédé de commande WO2021080045A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013128354A (ja) * 2011-12-19 2013-06-27 Mitsubishi Electric Corp 送受電装置、送受電システム及び送受電方法
KR101459489B1 (ko) * 2013-09-26 2014-11-07 현대자동차 주식회사 친환경 자동차의 제어 방법 및 시스템
KR101532673B1 (ko) * 2014-03-24 2015-07-09 재단법인대구경북과학기술원 전력 공급 장치 및 방법
KR20180075662A (ko) * 2015-11-06 2018-07-04 로베르트 보쉬 게엠베하 배터리를 작동시키기 위한 방법, 및 배터리
KR101921641B1 (ko) * 2013-07-30 2018-11-26 주식회사 엘지화학 배터리 제어 장치 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013128354A (ja) * 2011-12-19 2013-06-27 Mitsubishi Electric Corp 送受電装置、送受電システム及び送受電方法
KR101921641B1 (ko) * 2013-07-30 2018-11-26 주식회사 엘지화학 배터리 제어 장치 및 방법
KR101459489B1 (ko) * 2013-09-26 2014-11-07 현대자동차 주식회사 친환경 자동차의 제어 방법 및 시스템
KR101532673B1 (ko) * 2014-03-24 2015-07-09 재단법인대구경북과학기술원 전력 공급 장치 및 방법
KR20180075662A (ko) * 2015-11-06 2018-07-04 로베르트 보쉬 게엠베하 배터리를 작동시키기 위한 방법, 및 배터리

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