WO2020168980A1 - 电池组、电子设备和充放电控制方法 - Google Patents

电池组、电子设备和充放电控制方法 Download PDF

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Publication number
WO2020168980A1
WO2020168980A1 PCT/CN2020/075175 CN2020075175W WO2020168980A1 WO 2020168980 A1 WO2020168980 A1 WO 2020168980A1 CN 2020075175 W CN2020075175 W CN 2020075175W WO 2020168980 A1 WO2020168980 A1 WO 2020168980A1
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WIPO (PCT)
Prior art keywords
tab
battery pack
charging
discharging
connection
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Application number
PCT/CN2020/075175
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English (en)
French (fr)
Inventor
杨鑫
Original Assignee
Oppo广东移动通信有限公司
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2020168980A1 publication Critical patent/WO2020168980A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This application relates to the field of computer technology, in particular to a battery pack, electronic equipment, and a method for controlling charge and discharge.
  • a charging circuit or a discharging circuit can be arranged on the same side of the battery pack, and the charging circuit and the charging circuit can be arranged on the same side of the battery pack.
  • this method will increase the current path during charging and discharging, resulting in excessive heat loss during charging and discharging, and limiting the charging and discharging speed.
  • a battery pack an electronic device, and a charge and discharge control method are provided.
  • a battery pack includes: at least two battery cells connected in series with each other, and a first connection end and a second connection end connected to the battery cells, the first connection end and the second connection
  • the terminals are respectively located on different sides of the battery pack, and are used to connect to the charging circuit or the discharging circuit, wherein,
  • the battery cell includes a first end and a second end, and a first tab at least provided at the first end and a second tab at least provided at the second end, so The polarity of the second pole is opposite to that of the first pole;
  • the first tab of one cell unit and the second tab of the other cell unit arranged on the same side of the battery pack are connected in series with the first connection end Or the second connecting end is connected.
  • An electronic device including the above-mentioned battery pack, further includes: a first charging circuit and a first discharging circuit connected to the first connection terminal, and a second charging circuit and a second charging circuit connected to the second connection terminal. Discharge circuit.
  • a charging and discharging control method, applied to a battery pack including a first connection terminal and a second connection terminal, the method includes:
  • the charging and discharging modes including a first charging mode, a second charging mode, a first discharging mode, and a second discharging mode;
  • different sides of the battery pack can be connected to the charging circuit or the discharging circuit through the first connection terminal or the second connection terminal, so that the two different sides of the battery pack can perform charging.
  • the discharge operation greatly shortens the current path of the charging and discharging process, reduces the power consumption and heat generated by the current passing through the path, can realize high-power charging and discharging, further speeds up the charging speed, and can greatly increase the charging and discharging power.
  • the configuration of the charging and discharging ports (the first connection terminal and the second connection terminal) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • Fig. 1 is a schematic diagram of the structure of a battery pack in an embodiment.
  • FIGS. 2a-2d are schematic diagrams of the structure of a battery cell in an embodiment.
  • 3a-3b are schematic diagrams of the structure of a dual-cell battery pack in an embodiment.
  • 4a-4b are schematic diagrams of the structure of a dual-cell battery pack in another embodiment.
  • Fig. 5 is a schematic structural diagram of a dual-cell battery pack in another embodiment.
  • Fig. 6 is a schematic structural diagram of an electronic device in an embodiment.
  • Fig. 7 is a flowchart of a charging and discharging control method in an embodiment.
  • FIG. 8 is a block diagram of a part of the structure of a mobile phone related to an electronic device provided in an embodiment of the present application.
  • first, second, etc. used in this application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element.
  • first tab can be referred to as the second tab
  • second tab can be referred to as the first tab. Both the first tab and the second tab are tabs, but they are not the same tab.
  • the present application provides a battery pack applied to an electronic device.
  • the electronic device can be connected to an adapter to charge the battery pack.
  • the battery pack can also supply power for the electronic device.
  • the electronic device may also be provided with a charging circuit for charging the battery pack, and a discharging circuit for supplying power to the module to be powered in the electronic device through the battery pack.
  • a battery pack includes: at least two battery cells 10 connected in series with each other, and a first connection end 20 and a second connection end 30 connected to the battery cells 10 .
  • the first connecting terminal 20 can be used to connect to a charging circuit or a discharging circuit
  • the second connecting terminal 30 can also be used to connect to a charging circuit or a discharging circuit. among them.
  • the charging circuit includes a first charging circuit and a second charging circuit.
  • the first charging circuit and the second charging circuit can be understood as circuits provided in an electronic device, which can be used to receive the charging current or the charging voltage output by the adapter, and then charge the battery pack.
  • the discharging circuit includes a first discharging circuit and a second discharging circuit.
  • the first discharging circuit and the second discharging circuit can be understood as a circuit set in an electronic device, which can be used to receive the charging current or charging voltage output by the battery pack, and then be electronic
  • the module to be powered in the device supplies power.
  • the first connection end 20 and the second connection end 30 are respectively located on the sides of the battery pack.
  • the first connecting end 20 may be located on the first side surface S1 of the battery pack
  • the second connecting end 30 may be located on the second side surface S2 of the battery pack, wherein the first side surface S1 and the second side surface S2 are arranged opposite to each other.
  • the first connection terminal 20 can be used to connect to the first charging circuit or the first discharging circuit located on the first side surface S1.
  • the second connecting terminal 30 can be used to connect to the second charging circuit or the second discharging circuit located on the second side surface S2.
  • the battery cell 10 includes a first end 10a and a second end 10b, and a first tab (110) 110 extending at least from the first end 10a and at least extending from the second end.
  • the polarity of the second tab 120 and the first tab 110 are opposite.
  • the cell unit 10 may include a first tab 110 extending from the first end 10a and a second tab 120 extending from the second end 10b, as shown in FIG. 2a.
  • the cell unit 10 may further include a first tab 110, a second tab 120 extending from the first end 10a, and a second tab 120 extending from the second end 10b, as shown in Fig. 2b.
  • the cell unit 10 may further include a first tab 110 extending from the first end 10a, and a first tab 110 and a second tab 120 extending from the second end 10b, as shown in FIG. 2c.
  • the cell unit 10 may further include a first tab 110 and a second tab 120 extending from the first end 10a, and a first tab 110 and a second tab 120 extending from the second end 10b, as shown in FIG. Shown in 2d.
  • the first tab 110 can be a positive tab
  • the second tab 120 can be a negative tab
  • the first tab 110 can be a negative tab
  • the second tab 120 can be a positive tab
  • the battery cell 10 may include a wound positive electrode sheet, a negative electrode sheet, and a separator disposed between the positive electrode sheet and the negative electrode sheet.
  • the positive electrode piece extending out of the cell unit 10 serves as a positive electrode lug
  • the negative electrode piece extending out of the battery cell unit 10 serves as a negative electrode lug.
  • the positive electrode sheet, the separator and the negative electrode sheet are first stacked in sequence, and then the structure is wound. After winding, the first end 10a and the second end 10b of the cell unit are extended to form The first tab 110 and the second tab 120.
  • the positive lug is a copper sheet plated with a nickel layer
  • the negative lug is an aluminum sheet.
  • the nickel layer can be used as a protective layer of the copper sheet to prevent the oxidation of the copper sheet from increasing the internal resistance and deteriorating the conductivity.
  • the electrical conductivity of the aluminum sheet is high. When a large current passes, the temperature rise of the tab is low, and the hardness of the aluminum sheet is small, and it is not easy to pierce the diaphragm or adjacent cells, which improves the safety performance of the battery pack.
  • the battery pack may include at least two battery cells 10 connected in series with each other. Wherein, the number of battery cells 10 may be 2, 3, 4 or more. At least two battery cells 10 connected in series can be understood as connecting two adjacent battery cells 10 in series, that is, the first pole of one of the adjacent battery cells 10 located on any side of the battery pack.
  • the ear 110 is connected to the second tab 120 of another cell unit 10.
  • the first tab 110 of one cell unit 10 and the second tab 120 of the other cell unit 10 arranged on the same side of the battery pack are connected in series with the first connection end 20 or the second connection end 30 connection.
  • the first tab 110 of one cell unit 10 on the first side surface S1 of the battery pack is connected in series with the second tab 120 of the other cell unit 10, and then connected to the first connection terminal 20, Then, the multiple cells connected in series can be connected to the first charging circuit or the first discharging circuit.
  • the first tab 110 of one cell unit 10 and the other cell on the second side S2 of the battery pack are provided.
  • the second tab 120 of the core unit 10 is connected in series and connected to the second connecting end 30, the series connected multiple cells can be connected to the second charging circuit or the second discharging circuit.
  • the first side S1 of the battery pack in this embodiment can be connected to the first charging circuit or the first discharging circuit through the first connection terminal 20, and at the same time, the second side S2 of the battery pack can be connected to the second connection terminal 30 through the second connection terminal.
  • the charging circuit or the second discharging circuit is connected so that the two different sides of the battery pack can perform charging and discharging operations, which greatly shortens the current path of the charging process and the discharge process, and reduces the power consumption and heat generated by the current passing through the path. It can realize high-power charging and discharging, further accelerate the charging speed, and can greatly increase the charging and discharging power.
  • the configuration of the charging and discharging ports (the first connection end 20 and the second connection end 30) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • the battery pack includes a first battery cell 10-1 and a second battery cell 10-2 connected in series.
  • Both the first cell cell 10-1 and the second cell cell 10-2 include a first tab 110 arranged at the first end 10a and a second tab 120 arranged at the second end 10b.
  • the first tab 110 is a positive tab
  • the second tab 120 is a negative tab.
  • the first end 10a of the first battery cell 10-1 and the second end 10b of the second battery cell 10-2 are both located on the same side surface of the battery pack, for example, the first side surface S1 of the battery pack.
  • the second end 10b of the first battery cell 10-1 and the first end 10a of the second battery cell 10-2 are both located on the same side surface of the battery pack, for example, the second side surface S2 of the battery pack.
  • the first tab 110 of the first cell unit 10-1 on the same side of the battery pack is connected to the second tab 120 of the second cell unit 10-2 and then connected to the first connection terminal 20 of the battery pack, Among them, the first connecting terminal 20 is used to connect to the first charging circuit.
  • the second tab 120 of the first cell unit 10-1 on the same side of the battery pack is connected to the first tab 110 of the second cell unit 10-2 and then connected to the second connection terminal 30 of the battery pack,
  • the second connection terminal 30 is used to connect to the second discharge circuit, refer to FIG. 3a.
  • the first tab 110 of the first cell unit 10-1 located on the same side of the battery pack is connected to the second tab 120 of the second cell unit 10-2 and then connected to the first connection of the battery pack
  • the terminal 20 is connected, wherein the first connection terminal 20 is used to connect to the first discharge circuit.
  • the second tab 120 of the first cell unit 10-1 on the same side of the battery pack is connected to the first tab 110 of the second cell unit 10-2 and then connected to the second connection terminal 30 of the battery pack,
  • the second connection terminal 30 is used to connect to the second charging circuit, refer to FIG. 3b.
  • the battery pack includes two battery cell units 10, wherein the positive and negative electrode tabs of each battery cell unit 10 are respectively located at the upper and lower ends of the battery cell unit 10.
  • the core unit 10 is connected in series through the positive and negative ears on the same side of the battery pack, it is then connected to the first connection end 20 and the second connection end 30 provided on both sides of the battery pack, and can be connected to the electronic device respectively.
  • the charging circuit or the discharging circuit is connected so that the two different sides of the battery pack can perform charging and discharging operations, which greatly shortens the current path of the charging process and the discharge process, and reduces the power consumption and heat generated by the current passing through the path. High-power charging and discharging further accelerates the charging speed and can greatly increase the charging and discharging power.
  • the configuration of the charging and discharging ports (the first connection end 20 and the second connection end 30) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • the battery pack further includes a first connection module 40 and a second connection module 50.
  • the first connection module 40 is arranged on the first side surface S1 of the battery pack, and is used to selectively turn on or disconnect the connection between the cell unit 10 and the first connection end 20;
  • the second connection module 50 is arranged on The second side surface S2 of the battery pack is used to selectively conduct or disconnect the connection between the cell unit 10 and the second connecting end 30.
  • the first connection module 40 includes a first controller
  • the second connection module 50 includes a second controller.
  • the first controller is respectively connected with the first charging circuit, the first discharging circuit, the first connection terminal 20, and the second controller.
  • the first controller can identify the current charging and discharging status of the battery pack, and can output the corresponding To the second controller, so that the second controller can choose to conduct or disconnect the second connection terminal 30 and the cell unit 10, and also can choose to conduct or disconnect the first connection terminal 20 and Connection of the cell unit 10.
  • the second controller is respectively connected to the second charging circuit, the second discharging circuit, and the second connecting terminal 30.
  • the second controller can recognize the current charging and discharging state of the battery pack, and can output corresponding control according to the charging and discharging state. Command to the first controller so that the first controller controls to turn on or disconnect the first connection terminal 20 and the cell unit 10, and it can also choose to turn on or disconnect the second connection terminal 30 and the cell Connection of monomer 10.
  • the first controller in the first connection module 40 can recognize that the current charging and discharging state of the battery pack is the charging state, and select to connect the first connection terminal 20 with The cell unit 10 is connected, and corresponding control instructions are output to the second controller at the same time, so that the second controller disconnects the second connection terminal 30 from the cell unit 10, and then charges the battery pack through the adapter .
  • the second controller in the second connection module 50 can recognize that the current charging and discharging state of the battery pack is the discharging state, and select to turn on the second
  • the connection terminal 30 is connected to the cell unit 10, and at the same time, a corresponding control command is output to the first controller, so that the first controller disconnects the first connection terminal 20 from the cell unit 10, and then passes through the battery pack Supply power to the module to be powered in the electronic device.
  • the second controller in the second connection module 50 can recognize that the current charging and discharging state of the battery pack is the charging state, and select to connect the second connection terminal 30 and The cell unit 10 is connected, and corresponding control instructions are output to the first controller at the same time, so that the first controller disconnects the first connection terminal 20 from the cell unit 10, and then charges the battery pack through the adapter .
  • the first controller in the first connection module 40 can recognize that the current charging and discharging state of the battery pack is the discharging state, and select to turn on the first
  • the connection terminal 20 is connected to the cell unit 10, and the corresponding control command is output to the second controller at the same time, so that the second controller disconnects the second connection terminal 30 from the cell unit 10, and then passes through the battery pack Supply power to the module to be powered in the electronic device.
  • the first controller provided in the first connection module 40 and the second controller provided in the second connection module 50 can both identify the charging and discharging state of the battery pack, and then cooperate and control each other, namely ,
  • the second connection terminal 30 can be disconnected from the battery cell 10 through the second controller, or when the second When the connecting terminal 30 is electrically connected to the second charging circuit or the second discharging circuit, the connection between the first connecting terminal 20 and the cell unit 10 can be disconnected by the first controller.
  • two different sides of the battery pack can perform charging and discharging operations, which greatly shortens the current path of the charging process and the discharge process, reduces the power consumption and heat generated by the current through the path, and can achieve high-power charging and discharging.
  • the charging speed is further accelerated, and the charging and discharging power can be greatly improved.
  • the configuration of the charging and discharging ports (the first connection end 20 and the second connection end 30) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • the first connection module 40 is further provided with a first protection circuit respectively connected to the first charging circuit and the first discharging circuit.
  • the first protection circuit is used to protect the first charging circuit and the first discharging circuit.
  • the second connection module 50 is also provided with a second protection circuit respectively connected to the second charging circuit and the second discharging circuit. The second protection circuit is used to protect the second charging circuit and the second discharging circuit.
  • first protection circuit and the second protection circuit are different.
  • first protection circuit protects the first charging circuit and the first discharging circuit respectively
  • second protection circuit includes a second discharging circuit and a second charging circuit.
  • the battery pack includes a first battery cell 10-1 and a second battery cell 10-2 connected in series.
  • the first cell unit 10-1 includes a first tab 110 and a second tab 120 disposed at the first end 10a, and a second tab 120 disposed at the second end 10b.
  • the second cell unit 10-2 includes a first tab 110 disposed at the first end 10a, and a first tab 110 and a second tab 120 disposed at the second end 10b.
  • the first tab 110 is a positive tab
  • the second tab 120 is a negative tab.
  • the first end 10a of the first battery cell 10-1 and the second end 10b of the second battery cell 10-2 are both located on the same side of the battery pack, such as the first side S1;
  • the second end 10b of the cell 10-1 and the first end 10a of the second battery cell 10-2 are both located on the same side surface of the battery pack, such as the second side surface S2.
  • the second tab 120 located at the first end 10a of the first cell unit 10-1 is connected to the first tab 110 located at the second end 10b of the second cell unit 10-2.
  • the first tab 110 located at the first end 10a of the core cell 10-1 and the second tab 120 located at the second end 10b of the second cell cell 10-2 are connected to the first connecting end 20 Connected, and the second tab 120 located at the second end 10b of the first cell unit 10-1 is connected to the first tab 110 located at the first end 10a of the second cell unit 10-2 Connected to the second connecting end 30.
  • the first connecting terminal 20 is used to connect to the first charging circuit
  • the second connecting terminal 30 is used to connect to the second discharging circuit, refer to FIG. 4a.
  • the battery pack also includes the first connection module 40, the second connection module 50, the first controller and the second controller in the above embodiments.
  • the charging current or charging voltage through the first charging circuit directly enters from the positive ear of the first battery cell 10-1, and then the first battery cell
  • the negative ear of the cell 10-1 enters the positive ear of the second cell cell 10-2
  • the negative ear of the second cell cell 10-2 is connected to the first charging circuit to form a complete charging circuit.
  • the first controller can recognize that the current charging and discharging state of the battery pack is the charging state, and then output a corresponding control command to the second controller, so that the second controller disconnects the second connection terminal 30 from the battery cell. 10 connection, and then charge the battery pack through the adapter.
  • the first controller in the first connection module 40 can recognize that the current charge and discharge state of the battery pack is the discharge state, and then output the corresponding control The command is sent to the second controller so that the second controller conducts the connection between the second connection terminal 30 and the cell unit 10, and then supplies power to the module to be powered in the electronic device through the battery pack.
  • the first connecting terminal 20 is used to connect to the first discharging circuit
  • the second connecting terminal 30 is used to connect to the second charging circuit, refer to FIG. 4b.
  • the battery pack also includes the first connection module 40, the second connection module 50, the first controller and the second controller in the above embodiments.
  • the second controller can recognize that the current charging and discharging state of the battery pack is the charging state, and then output a corresponding control command to conduct the second connection terminal 30 and the battery cell The cell 10 is connected, and a corresponding control command is output to the first controller, so that the first controller disconnects the first connection terminal 20 from the cell cell 10, and then charges the battery pack through the adapter.
  • the first controller in the first connection module 40 can recognize that the current charging and discharging state of the battery pack is the discharge state, and can turn on the first
  • the connection terminal 20 is connected to the cell unit 10, and outputs a corresponding control command to the second controller, so that the second controller disconnects the second connection terminal 30 from the cell unit 10, and then passes through the battery pack Supply power to the module to be powered in the electronic device.
  • the first controller provided in the first connection module 40 and the second controller provided in the second connection module 50 can both identify the charging and discharging state of the battery pack, and then cooperate and control each other, namely ,
  • the second connection terminal 30 can be disconnected from the battery cell 10 through the second controller, or when the second When the connecting terminal 30 is electrically connected to the second charging circuit or the second discharging circuit, the connection between the first connecting terminal 20 and the cell unit 10 can be disconnected by the first controller.
  • two different sides of the battery pack can perform charging and discharging operations, which greatly shortens the current path of the charging process and the discharge process, reduces the power consumption and heat generated by the current through the path, and can achieve high-power charging and discharging.
  • the charging speed is further accelerated, and the charging and discharging power can be greatly improved.
  • the configuration of the charging and discharging ports (the first connection end 20 and the second connection end 30) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • the battery pack includes a first battery cell 10-1 and a second battery cell 10-2 connected in series.
  • the first battery cell 10-1 and the second battery cell 10-2 both include a first tab 110 and a second tab 120 arranged at the first end 10a, and are arranged at the second end The first tab 110 and the second tab 120 of 10b.
  • the first tab 110 is a positive tab
  • the second tab 120 is a negative tab.
  • the first end 10a of the first battery cell 10-1 and the second end 10b of the second battery cell 10-2 are both located on the same side of the battery pack, such as the first side S1;
  • the second end 10b of the cell 10-1 and the first end 10a of the second battery cell 10-2 are both located on the same side surface of the battery pack, such as the second side surface S2.
  • the second tab 120 located at the first end 10a of the first cell unit 10-1 is connected to the first tab located at the second end 10b of the second cell unit 10-2, the first cell
  • the first tab 110 at the first end 10a of the cell 10-1 is connected to the second tab 120 at the second end 10b of the second cell cell 10-2 and then connected to the first connection end 20 .
  • the first tab 110 at the second end 10b of the first cell unit 10-1 is connected to the second tab 120 at the first end 10a of the second cell unit 10-2,
  • the second tab 120 at the second end 10b of the first cell unit 10-1 and the first tab 110 at the first end 10a of the second cell unit 10-2 are connected to the The two connecting ends 30 are connected.
  • the battery pack also includes the first connection module 40, the second connection module 50, the first controller and the second controller in the above embodiments.
  • the first controller provided in the first connection module 40 and the second controller provided in the second connection module 50 can both identify the charging and discharging state of the battery pack, and then cooperate and control each other, namely ,
  • the second connection terminal 30 can be disconnected from the battery cell 10 through the second controller, or when the second When the connecting terminal 30 is electrically connected to the second charging circuit or the second discharging circuit, the connection between the first connecting terminal 20 and the cell unit 10 can be disconnected by the first controller.
  • two different sides of the battery pack can perform charging and discharging operations, which greatly shortens the current path of the charging process and the discharge process, reduces the power consumption and heat generated by the current through the path, and can achieve high-power charging and discharging.
  • the charging speed is further accelerated, and the charging and discharging power can be greatly improved.
  • the configuration of the charging and discharging ports (the first connection end 20 and the second connection end 30) of the battery pack is no longer restricted, and the flexibility of the battery pack application is improved.
  • an embodiment of the present application further provides an electronic device, including the battery pack in any of the foregoing embodiments, and further including: a first charging circuit 620 and a first charging circuit 620 connected to the first connection end 610a of the battery pack 610 A discharging circuit 630, and a second charging circuit 640 and a second discharging circuit 650 connected to the second connection terminal 610b of the battery pack 610.
  • the first charging circuit 620 and the second charging circuit 640 can be understood as circuits provided in an electronic device, which can be used to receive the charging current or the charging voltage output by the adapter, and then charge the battery pack.
  • the first discharging circuit 630 and the second discharging circuit 650 can be understood as circuits provided in an electronic device, which can be used to receive the charging current or charging voltage output by the battery pack, and then supply power to the modules to be powered in the electronic device.
  • the first charging circuit 620 and the first discharging circuit 630 may be disposed close to the first connection terminal 610a of the battery pack 610, and the second charging circuit 640 and the second discharging circuit 650 may be close to the second connection terminal of the battery pack 610.
  • Terminal 610b is set.
  • the first side of the battery pack in this embodiment can be connected to the first charging circuit 620 or the first discharging circuit 630 through the first connection terminal 610a, and at the same time, the second side of the battery pack can be connected to the second connection terminal 610b through the second connection terminal 610b.
  • the charging circuit 640 or the second discharging circuit 650 are connected so that the two different sides of the battery pack 610 can perform charging and discharging operations, which greatly shortens the current path of the charging and discharging processes, and reduces the power consumption caused by the current passing through the path. With heat, high-power charging and discharging can be realized, which further accelerates the charging speed and can greatly increase the charging and discharging power.
  • the configuration of the charging and discharging ports (the first connection terminal 610a and the second connection terminal 610b) of the battery pack 610 is no longer restricted, and the flexibility of the battery pack application is improved.
  • An embodiment of the present application also provides a charge and discharge control method, which is applied to a battery pack including a first connection terminal and a second connection terminal, wherein the battery pack is built in an electronic device.
  • the electronic device includes a battery pack, a first charging circuit and a first discharging circuit connected to the first connection end of the battery pack, and a second charging circuit and a second discharging circuit connected to the second connection end of the battery pack.
  • Fig. 7 is a flowchart of a charging and discharging control method in an embodiment.
  • the charge and discharge control method includes steps 702 to 704, wherein:
  • Step 702 Detect the charging and discharging modes of the battery pack, the charging and discharging modes include a first charging mode, a second charging mode, a first discharging mode, and a second discharging mode.
  • the electronic device can detect whether the first charging circuit and the second charging circuit have external adapters.
  • the charging and discharging mode is the first charging mode
  • the charging and discharging mode is the second charging mode.
  • the charging and discharging mode is the first discharging mode
  • the charging and discharging mode is the second discharging mode.
  • the electronic device when the first charging circuit or the second charging circuit is connected to the adapter, the electronic device can perform two-way communication with the adapter, by accepting an inquiry instruction sent by the adapter, the inquiry instruction is used to inquire whether the electronic device is turned on In the charging mode, a confirmation command is sent to the adapter according to the query command, so that the charging mode of the adapter can be identified.
  • Step 704 Output a corresponding control command according to the charge and discharge mode to make the battery pack in a charging state or a discharging state.
  • control command is used to conduct or disconnect the connection between the battery pack and the first connection terminal, or to conduct or disconnect the connection between the battery pack and the second connection terminal.
  • the battery pack includes: at least two battery cells connected in series, and a first connection end and a second connection end connected to the battery cells, and the first connection end is located at the first connection end of the battery pack.
  • the second connecting end is located on the second side surface of the battery pack.
  • the first connecting terminal is used to connect to the first charging circuit or the first discharging circuit
  • the second connecting terminal is used to connect to the second charging circuit or the second discharging circuit.
  • the cell unit includes a first end and a second end, and a first tab at least at the first end and a second tab at least at the second end.
  • the second tab and the first The polarities of the tabs are opposite; the first tab of one cell unit and the second tab of the other cell unit arranged on the same side of the battery pack are connected in series with the first connection end or the second connection end connection.
  • the first connection end of the battery pack can be controlled to be conductively connected to the battery cell unit, and the second connection end of the battery pack can be controlled to be connected to the battery cell unit.
  • the body is disconnected so that the battery pack is in a charging or discharging state.
  • the first connection end of the battery pack can be controlled to be disconnected from the battery cell unit, and the second connection end of the battery pack can be controlled to be connected to the battery cell unit.
  • the body is conductively connected to make the battery pack in a charging state or a discharging state.
  • the above charging control method detects the charging and discharging mode of the battery pack.
  • the charging and discharging modes include a first charging mode, a second charging mode, a first discharging mode, and a second discharging mode; according to the charging and discharging modes, corresponding control commands are output to make the battery pack In the charging state or discharging state, the charging and discharging efficiency is improved.
  • steps in the flowchart of FIG. 7 are displayed in sequence as indicated by the arrows, these steps are not necessarily performed in sequence in the order indicated by the arrows. Unless specifically stated in this article, the execution of these steps is not strictly limited in order, and these steps can be executed in other orders. Moreover, at least part of the steps in FIG. 7 may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but can be executed at different times. The execution of these sub-steps or stages The sequence is not necessarily performed sequentially, but may be performed alternately or alternately with at least a part of other steps or sub-steps or stages of other steps.
  • the embodiment of the present application also provides a computer-readable storage medium.
  • a computer program product containing instructions that, when run on a computer, causes the computer to perform the operation of the charging control method.
  • the embodiment of the present application also provides an electronic device.
  • the electronic device includes: a battery unit, and the charging control device in any of the foregoing embodiments connected to the battery unit. As shown in FIG. 8, for ease of description, only the parts related to the embodiment of the present application are shown. For specific technical details that are not disclosed, please refer to the method part of the embodiment of the present application.
  • the electronic device can be any terminal device including mobile phone, tablet computer, PDA (Personal Digital Assistant), POS (Point of Sales, sales terminal), car computer, wearable device, etc. Take the electronic device as a mobile phone as an example :
  • FIG. 8 is a block diagram of a part of the structure of a mobile phone related to an electronic device provided in an embodiment of the present application.
  • the mobile phone includes: a radio frequency (RF) circuit 810, a memory 820, an input unit 830, a display unit 840, a sensor 850, an audio circuit 860, a wireless fidelity (WiFi) module 780, and a processor 880 , And power supply 890 and other components.
  • RF radio frequency
  • the RF circuit 810 can be used for receiving and sending signals during the process of sending and receiving information or talking. It can receive the downlink information of the base station and send it to the processor 880 for processing; it can also send uplink data to the base station.
  • the RF circuit includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • the RF circuit 810 can also communicate with the network and other devices through wireless communication.
  • the above wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division) Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), Email, Short Messaging Service (SMS), etc.
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • Email Short Messaging Service
  • the memory 820 may be used to store software programs and modules.
  • the processor 880 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 820.
  • the memory 820 may mainly include a program storage area and a data storage area, where the program storage area may store an operating system, an application program required by at least one function (such as an application program for a sound playback function, an application program for an image playback function, etc.), etc.;
  • the data storage area can store data (such as audio data, address book, etc.) created according to the use of the mobile phone.
  • the memory 820 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the input unit 830 may be used to receive inputted digital or character information, and generate key signal input related to user settings and function control of the mobile phone 800.
  • the input unit 830 may include a touch panel 831 and other input devices 832.
  • the touch panel 831 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 831 or near the touch panel 831 Operation), and drive the corresponding connection device according to the preset program.
  • the touch panel 831 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 880, and can receive and execute the commands sent by the processor 880.
  • the touch panel 831 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the input unit 830 may also include other input devices 832.
  • the other input device 832 may include, but is not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.).
  • the display unit 840 may be used to display information input by the user or information provided to the user and various menus of the mobile phone.
  • the display unit 840 may include a display panel 841.
  • the display panel 841 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), etc.
  • the touch panel 831 can cover the display panel 841. When the touch panel 831 detects a touch operation on or near it, it transmits it to the processor 880 to determine the type of the touch event. The type of touch event provides corresponding visual output on the display panel 841.
  • the touch panel 831 and the display panel 841 are used as two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 831 and the display panel 841 can be integrated. Realize the input and output functions of mobile phones.
  • the mobile phone 800 may also include at least one sensor 850, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 841 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 841 and/or when the mobile phone is moved to the ear. Or backlight.
  • Motion sensors can include acceleration sensors. The acceleration sensors can detect the magnitude of acceleration in various directions. When stationary, the magnitude and direction of gravity can be detected.
  • the mobile phone can be used to identify mobile phone gestures (such as horizontal and vertical screen switching) and vibration recognition related functions (such as Pedometer, percussion), etc.; in addition, the mobile phone can also be equipped with other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc.
  • the audio circuit 860, the speaker 861 and the microphone 862 can provide an audio interface between the user and the mobile phone.
  • the audio circuit 860 can transmit the electric signal after the conversion of the received audio data to the speaker 861, which is converted into a sound signal by the speaker 861 for output; on the other hand, the microphone 862 converts the collected sound signal into an electric signal, and the audio circuit 860 After being received, it is converted into audio data, and then processed by the audio data output processor 880, and then sent to another mobile phone via the RF circuit 810, or the audio data is output to the memory 820 for subsequent processing.
  • WiFi is a short-distance wireless transmission technology.
  • the mobile phone can help users send and receive e-mails, browse web pages, and access streaming media through the WiFi module 780. It provides users with wireless broadband Internet access.
  • FIG. 8 shows the WiFi module 780, it can be understood that it is not a necessary component of the mobile phone 800 and can be omitted as required.
  • the processor 880 is the control center of the mobile phone. It uses various interfaces and lines to connect various parts of the entire mobile phone, and executes by running or executing software programs and/or modules stored in the memory 820, and calling data stored in the memory 820. Various functions and processing data of the mobile phone can be used to monitor the mobile phone as a whole.
  • the processor 880 may include one or more processing units.
  • the processor 880 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and an application program; the modem processor mainly processes wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 880.
  • the mobile phone 800 also includes a power source 890 (such as a battery) for supplying power to various components.
  • the power source can be logically connected to the processor 880 through a power management system, so that functions such as charging, discharging, and power consumption management can be managed through the power management system.
  • the power supply 890 includes a plurality of battery units 40 and a plurality of switch units connected to the plurality of battery units 40 in a one-to-one correspondence.
  • the power supply 890 may be a charging control device in an embodiment of the application.
  • the mobile phone 800 may also include a camera, a Bluetooth module, and the like.
  • the processor 880 included in the electronic device implements the steps of the charging control method when the computer program stored in the memory is executed.
  • Non-volatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory.
  • Volatile memory may include random access memory (RAM), which acts as external cache memory.
  • RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synchronous Link (Synchlink) DRAM
  • Rambus direct RAM
  • DRAM direct memory bus dynamic RAM
  • RDRAM memory bus dynamic RAM

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  • Engineering & Computer Science (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

一种电池组包括：相互串联的至少两个电芯单体(10)，以及与电芯单体(10)连接的第一连接端(20)和第二连接端(30)，第一连接端(20)和第二连接端(30)分别位于电池组的不同侧面，均用于连接充电电路或放电电路，其中，电芯单体(10)，包括第一端部(10a)和第二端部(10b)，以及至少设置在第一端部(10a)的第一极耳(110)和至少设置在第二端部(10b)的第二极耳(120)，第二极耳(120)与第一极耳(110)的极性相反；设置在电池组的同一侧面的一个电芯单体(10)的第一极耳(110)与另一电芯单体(10)的第二极耳(120)串联连接后与第一连接端(20)或第二连接端(30)连接。

Description

电池组、电子设备和充放电控制方法
相关申请的交叉引用
本申请要求于2019年2月22日提交中国专利局、申请号为2019101317384、发明名称为“电池组、电子设备和充放电控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及计算机技术领域，特别是涉及一种电池组、电子设备和充放电控制方法。
背景技术
这里的陈述仅提供与本申请有关的背景信息，而不必然地构成现有示例性技术。
电子设备在人们生活中扮演着越来越重要的角色，而电子设备充电技术的发展也越来越快。电子设备配备的电池组的容量也越来越大，以满足较长待机时间的需求。
一般，当为该电池组充电，或通过该电池组为电子设备供电时，其可在该电池组的同一侧设置充电电路或放电电路，通过设置在电池组同一侧的极耳与充电电路和放电电路练级，以在电池组的同一侧完成充电、放电任务。但是，该方式会导致充电、放电过程中的电流通路增加，从而导致充电、放电过程中热量损耗过大，限制了充放电速度。
发明内容
根据本申请的各种实施例，提供一种电池组、电子设备和充放电控制方法。
一种电池组，包括：相互串联的至少两个电芯单体，以及与所述电芯单体连接的第一连接端和第二连接端，所述第一连接端和所述第二连接端分别位于所述电池组的不同侧面，均用于连接充电电路或放电电路，其中，
所述电芯单体，包括第一端部和第二端部，以及至少设置在所述第一端部的第一极耳和至少设置在所述第二端部的第二极耳，所述第二极耳与所述第一极耳的极性相反；
设置在所述电池组的同一侧面的一个所述电芯单体的所述第一极耳与另一所述电芯单体的所述第二极耳串联连接后与所述第一连接端或所述第二连接端连接。
一种电子设备，包括上述的电池组，还包括：与所述第一连接端连接的第一充电电路和第一放电电路，以及与所述第二连接端连接的第二充电电路和第二放电电路。
一种充放电控制方法，应用于包括第一连接端和第二连接端的电池组，所述方法包括：
检测所述电池组的充放电模式，所述充放电模式包括第一充电模式、第二充电模式、第一放电模式和第二放电模式；
根据所述充放电模式输出相应的控制指令以使所述电池组处于充电状态或放电状态，其中，所述控制指令用于导通或断开所述电池组与所述第一连接端的连接，或，以导通或断开所述电池组与所述第二连接端的连接。
上述电池组、电子设备和充放电控制方法，电池组的不同侧面可通过第一连接端或第二连接端与充电电路或放电电路连接，以使该电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端和第二连接端)设置不再受限制，并提高可电池组应用的灵活性。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其他特征、 目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为一个实施例中电池组的结构示意图。
图2a-2d为一个实施例中电芯单体的结构示意图。
图3a-3b为一个实施例中双电芯电池组的结构示意图。
图4a-4b为又一个实施例中双电芯电池组的结构示意图。
图5为再一个实施例中双电芯电池组的结构示意图。
图6为一个实施例中电子设备的结构示意图。
图7为一个实施例中充放电控制方法的流程图。
图8为与本申请实施例提供的电子设备相关的手机的部分结构的框图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
可以理解，本申请所使用的术语“第一”、“第二”等可在本文中用于描述各种元件，但这些元件不受这些术语限制。这些术语仅用于将第一个元件与另一个元件区分。举例来说，在不脱离本申请的范围的情况下，可以将第一极耳称为第二极耳，且类似地，可将第二极耳称为第一极耳。第一极耳和第二极耳两者都是极耳，但其不是同一极耳。
本申请提供一种电池组，应用于电子设备，该电子设备能够外接适配器为该电池组进行充电，同时，该电池组也可以为该电子设备供电。电子设备中还可设置用于为电池组进行充电的充电电路，以及通过电池组为电子设备内的待供电模块进行供电的放电电路。
如图1所示，在一些实施例中，一种电池组包括：相互串联的至少两个电芯单体10，以及与电芯单体10连接的第一连接端20和第二连接端30。
在一些实施例中，第一连接端20可用于连接充电电路或放电电路，第二连接端30也可用于连接充电电路或放电电路。其中。充电电路包括第一充电电路和第二充电电路。第一充电电路和第二充电电路可以理解为设置在电子设备中的电路，其可用于接收适配器输出的充电电流或充电电压，进而为电池组进行充电。放电电路包括第一放电电路和第二放电电路，第一放电电路和第二放电电路可理解为设置在电子设备中的电路，其可用于接收电池组输出的充电电流或充电电压，进而为电子设备中的待供电模块供电。
第一连接端20和第二连接端30分别位于电池组的不侧面。例如，第一连接端20可位于电池组的第一侧面S1，第二连接端30可位于电池组的第二侧面S2，其中，第一侧面S1与第二侧面S2相背设置。
在一些实施例中，第一连接端20可用于连接位于第一侧面S1的第一充电电路或第一放电电路。第二连接端30可用于连接位于第二侧面S2的第二充电电路或第二放电电路。
在一些实施例中，电芯单体10包括第一端部10a和第二端部10b，以及至少伸出第一端部10a的第一极耳(110)110和至少伸出第二端部10b的第二极耳120，第二极耳120与第一极耳110的极性相反。
电芯单体10可包括伸出第一端部10a的第一极耳110和伸出第二端部10b的第二极耳120，如图2a所示。电芯单体10还可包括伸出第一端部10a的第一极耳110、第二极 耳120以及伸出第二端部10b的第二极耳120，如图2b所示。电芯单体10还可包括伸出第一端部10a的第一极耳110，以及伸出第二端部10b的第一极耳110和第二极耳120，如图2c所示。电芯单体10还可包括伸出第一端部10a的第一极耳110、第二极耳120以及伸出第二端部10b的第一极耳110和第二极耳120，如图2d所示。
在一些实施例中，第一极耳110可为正极耳，第二极耳120可为负极耳。
可选的，第一极耳110可为负极耳，第二极耳120可为正极耳。
在一些实施例中，电芯单体10可包括卷绕的正极片、负极片和设置在正极片、负极片之间的隔膜。其中，伸出电芯单体10的正极片作为正极耳，伸出电芯单体10的负极片作为负极耳。电芯单元在制作过程中，首先由正极片、隔膜和负极片依次层叠，再将该结构进行卷绕，卷绕后伸出电芯单元第一端部10a和第二端部10b，从而形成第一极耳110和第二极耳120。
在一些实施例中，正极耳采用表面镀有镍层的铜片，负极耳采用铝片。其中，镍层可以作为铜片的保护层，以避免铜片氧化导致内阻增大，导电性能变差的情况出现。铝片的电导率高，在大电流通过时，极耳温升较低，铝片的硬度较小，不容易刺穿隔膜或相邻电芯，提高了电池组的安全性能。
电池组可包括相互串联的至少两个电芯单体10。其中，电芯单体10的数量可以为2个、3个、4个或更多个。相互串联的至少两个电芯单体10可以理解为相邻两个电芯单体10串联，也即，位于电池组的任一侧面的相邻的其中一个电芯单体10的第一极耳110与另一个电芯单体10的第二极耳120连接。
设置在电池组的同一侧面的其中一个电芯单体10的第一极耳110与另一个电芯单体10的第二极耳120串联连接后与第一连接端20或第二连接端30连接。例如，设置电池组的第一侧面S1的一个电芯单体10的第一极耳110与另一电芯单体10的第二极耳120串联连接后，并与第一连接端20连接，继而使得串联连接后的多个电芯能够与第一充电电路或第一放电电路连接，同时，设置电池组的第二侧面S2的一个电芯单体10的第一极耳110与另一电芯单体10的第二极耳120串联连接后，并与第二连接端30连接，继而使得串联连接后的多个电芯能够与第二充电电路或第二放电电路连接。
本实施例中的电池组的第一侧面S1可通过第一连接端20与第一充电电路或第一放电电路连接，同时，电池组的第二侧面S2可通过第二连接端30与第二充电电路或第二放电电路连接，以使该电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端20和第二连接端30)设置不再受限制，并提高可电池组应用的灵活性。
如图3a和图3b所示，在一些实施例中，电池组包括相互串联的第一电芯单体10-1和第二电芯单体10-2。第一电芯单体10-1和第二电芯单体10-2均包括设置在第一端部10a的第一极耳110和设置在第二端部10b的第二极耳120。其中，第一极耳110为正极耳，第二极耳120为负极耳。第一电芯单体10-1的第一端部10a与第二电芯单体10-2的第二端部10b且均位于电池组的同一侧面，例如电池组的第一侧面S1。第一电芯单体10-1的第二端部10b与第二电芯单体10-2的第一端部10a且均位于电池组的同一侧面，例如电池组的第二侧面S2。
位于电池组同一侧的第一电芯单体10-1的第一极耳110与第二电芯单体10-2的第二极耳120连接后与电池组的第一连接端20连接，其中，第一连接端20用于连接第一充电电路。位于电池组同一侧的第一电芯单体10-1的第二极耳120与第二电芯单体10-2的第一极耳110连接后与电池组的第二连接端30连接，第二连接端30用于连接第二放电电路，参考图3a。
可选的，位于电池组同一侧的第一电芯单体10-1的第一极耳110与第二电芯单体10-2 的第二极耳120连接后与电池组的第一连接端20连接，其中，第一连接端20用于连接第一放电电路。位于电池组同一侧的第一电芯单体10-1的第二极耳120与第二电芯单体10-2的第一极耳110连接后与电池组的第二连接端30连接，第二连接端30用于连接第二充电电路，参考图3b。
本实施例中，电池组包括两个电芯单体10，其中，每个电芯单体10的正、负极两个极耳分别位于电芯单体10的上下两个端部，两个电芯单体10通过位于电池组同一侧的正、负极耳串联连接后，再与设置在电池组两侧的第一连接端20、第二连接端30连接，能够分别与设置在电子设备内部的充电电路或放电电路连接，以使该电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端20和第二连接端30)设置不再受限制，并提高可电池组应用的灵活性。
在一些实施例中，电池组还包括第一连接模块40和第二连接模块50。其中，第一连接模块40，设置在电池组的第一侧面S1，用于选择导通或断开电芯单体10与第一连接端20之间的连接；第二连接模块50，设置在电池组的第二侧面S2，用于选择导通或断开电芯单体10与第二连接端30之间的连接。
在一些实施例中，第一连接模块40中包括第一控制器，第二连接模块50中包括第二控制器。第一控制器分别与第一充电电路、第一放电电路、第一连接端20、第二控制器连接，第一控制器可识别当前电池组的充放电状态，并可根据充放电状态输出相应的控制指令至第二控制器，以使第二控制器选择导通或断开第二连接端30与电芯单体10的连接，同时也可以选择导通或断开第一连接端20与电芯单体10的连接。相应的，第二控制器分别与第二充电电路、第二放电电路、第二连接端30连接，第二控制器可识别当前电池组的充放电状态，并可根据充放电状态输出相应的控制指令至第一控制器，以使第一控制器控制导通或断开第一连接端20与电芯单体10的连接，同时也可以选择导通或断开第二连接端30与电芯单体10的连接。
例如，当第一充电电路外接适配器为电池组充电时，则第一连接模块40中的第一控制器可以识别出当前电池组的充放电状态为充电状态，选择导通第一连接端20与电芯单体10的连接，同时输出相应的控制指令至第二控制器，以使第二控制器断开第二连接端30与电芯单体10的连接，进而通过适配器为电池组进行充电。当电池组通过第二放电电路为电子设备中的待供电模块供电时，则第二连接模块50中的第二控制器可以识别出当前电池组的充放电状态为放电状态，选择导通第二连接端30与电芯单体10的连接，同时输出相应的控制指令至第一控制器，以使第一控制器断开第一连接端20与电芯单体10的连接，进而通过电池组为电子设备中的待供电模块供电。
例如，当第二充电电路外接适配器为电池组充电时，则第二连接模块50中的第二控制器可以识别出当前电池组的充放电状态为充电状态，选择导通第二连接端30与电芯单体10的连接，同时输出相应的控制指令至第一控制器，以使第一控制器断开第一连接端20与电芯单体10的连接，进而通过适配器为电池组进行充电。
当电池组通过第一放电电路为电子设备中的待供电模块供电时，则第一连接模块40中的第一控制器可以识别出当前电池组的充放电状态为放电状态，选择导通第一连接端20与电芯单体10的连接，同时输出相应的控制指令至第二控制器，以使第二控制器断开第二连接端30与电芯单体10的连接，进而通过电池组为电子设备中的待供电模块供电。
本实施例中，通过设置在第一连接模块40中的第一控制器和设置在第二连接模块50中的第二控制器，都可以识别电池组的充放电状态，进而相互配合控制，即，当第一连接端20与第一充电电路或第一放电电路导通连接时，即可通过第二控制器断开第二连接端 30与电芯单体10的连接，或，当第二连接端30与第二充电电路或第二放电电路导通连接时，即可通过第一控制器断开第一连接端20与电芯单体10的连接。本实施中，电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端20和第二连接端30)设置不再受限制，并提高可电池组应用的灵活性。
在一些实施例中，在第一连接模块40上还设有分别与第一充电电路和第一放电电路连接的第一保护电路。第一保护电路用于保护第一充电电路和第一放电电路。相应的，在第二连接模块50上还设有分别与第二充电电路和第二放电电路连接的第二保护电路。第二保护电路用于保护第二充电电路和第二放电电路。
需要说明的是，第一保护电路和第二保护电路的结构和作用不同。
本实施例中，采用两套独立的第一保护电路和第二保护电路，第一保护电路分别保护第一充电电路、第一放电电路，第二保护电路包括第二放电电路和第二充电电路，可以有针对性的进行专业保护，使保护效果更好，有助于延长电池组的寿命，提高电池组的安全性，进而提高各个放电电路和各个充电电路的安全性。
如图4a和图4b所示，在一些实施例中，电池组包括相互串联的第一电芯单体10-1和第二电芯单体10-2。其中，第一电芯单体10-1包括设置在第一端部10a的第一极耳110和第二极耳120，及设置在第二端部10b的第二极耳120。第二电芯单体10-2包括设置在第一端部10a的第一极耳110，及设置在第二端部10b的第一极耳110和第二极耳120。其中，第一极耳110为正极耳，第二极耳120为负极耳。第一电芯单体10-1的第一端部10a与第二电芯单体10-2的第二端部10b且均位于电池组的同一侧面，例如第一侧面S1；第一电芯单体10-1的第二端部10b与第二电芯单体10-2的第一端部10a且均位于电池组的同一侧面，例如第二侧面S2。
第一电芯单体10-1中位于第一端部10a的第二极耳120与第二电芯单体10-2中位于第二端部10b的第一极耳110连接，第一电芯单体10-1中位于第一端部10a的第一极耳110与第二电芯单体10-2中位于第二端部10b的第二极耳120连接后与第一连接端20连接，且第一电芯单体10-1中位于第二端部10b的第二极耳120与第二电芯单体10-2中位于第一端部10a的第一极耳110连接后与第二连接端30连接。
在一些实施例中，第一连接端20用于连接第一充电电路，第二连接端30用于连接第二放电电路，参考图4a。在一些实施例中，电池组也包括上述实施例中第一连接模块40、第二连接模块50、第一控制器和第二控制器。
例如，当第一充电电路外接适配器为电池组充电时，则通过第一充电电路的充电电流或充电电压直接从第一电芯单体10-1的正极耳进入，再由，第一电芯单体10-1的负极耳进入第二电芯单体10-2的正极耳，最后由第二电芯单体10-2的负极耳与第一充电电路连接，已形成完整的充电回路。同时，第一控制器可以识别出当前电池组的充放电状态为充电状态，继而输出相应的控制指令至第二控制器，以使第二控制器断开第二连接端30与电芯单体10的连接，进而通过适配器为电池组进行充电。当电池组通过第二放电电路为电子设备中的待供电模块供电时，则第一连接模块40中的第一控制器可以识别出当前电池组的充放电状态为放电状态，继而输出相应的控制指令至第二控制器，以使第二控制器导通第二连接端30与电芯单体10的连接，进而通过电池组为电子设备中的待供电模块供电。
在一些实施例中，第一连接端20用于连接第一放电电路，第二连接端30用于连接第二充电电路，参考图4b。在一些实施例中，电池组也包括上述实施例中第一连接模块40、第二连接模块50、第一控制器和第二控制器。
例如，当第二充电电路外接适配器为电池组充电时，第二控制器可以识别出当前电池 组的充放电状态为充电状态，继而输出相应的控制指令以导通第二连接端30与电芯单体10的连接，并输出相应的控制指令至第一控制器，以使第一控制器断开第一连接端20与电芯单体10的连接，进而通过适配器为电池组进行充电。当电池组通过第一放电电路为电子设备中的待供电模块供电时，则第一连接模块40中的第一控制器可以识别出当前电池组的充放电状态为放电状态，可导通第一连接端20与电芯单体10的连接，并输出相应的控制指令至第二控制器，以使第二控制器断开第二连接端30与电芯单体10的连接，进而通过电池组为电子设备中的待供电模块供电。
本实施例中，通过设置在第一连接模块40中的第一控制器和设置在第二连接模块50中的第二控制器，都可以识别电池组的充放电状态，进而相互配合控制，即，当第一连接端20与第一充电电路或第一放电电路导通连接时，即可通过第二控制器断开第二连接端30与电芯单体10的连接，或，当第二连接端30与第二充电电路或第二放电电路导通连接时，即可通过第一控制器断开第一连接端20与电芯单体10的连接。本实施中，电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端20和第二连接端30)设置不再受限制，并提高可电池组应用的灵活性。
如图5所示，在一些实施例中，电池组包括相互串联的第一电芯单体10-1和第二电芯单体10-2。其中，第一电芯单体10-1和第二电芯单体10-2均包括设置在第一端部10a的第一极耳110和第二极耳120，及设置在第二端部10b的第一极耳110和第二极耳120。其中，第一极耳110为正极耳，第二极耳120为负极耳。第一电芯单体10-1的第一端部10a与第二电芯单体10-2的第二端部10b且均位于电池组的同一侧面，例如第一侧面S1；第一电芯单体10-1的第二端部10b与第二电芯单体10-2的第一端部10a且均位于电池组的同一侧面，例如第二侧面S2。
第一电芯单体10-1中位于第一端部10a的第二极耳120与第二电芯单体10-2中位于第二端部10b的第极一耳连接，第一电芯单体10-1中位于第一端部10a的第一极耳110与第二电芯单体10-2中位于第二端部10b的第二极耳120连接后与第一连接端20连接。同时，且第一电芯单体10-1中位于第二端部10b的第一极耳110与第二电芯单体10-2中位于第一端部10a的第二极耳120连接，且第一电芯单体10-1中位于第二端部10b的第二极耳120与第二电芯单体10-2中位于第一端部10a的第一极耳110连接后与第二连接端30连接。
在一些实施例中，电池组也包括上述实施例中第一连接模块40、第二连接模块50、第一控制器和第二控制器。
本实施例中，通过设置在第一连接模块40中的第一控制器和设置在第二连接模块50中的第二控制器，都可以识别电池组的充放电状态，进而相互配合控制，即，当第一连接端20与第一充电电路或第一放电电路导通连接时，即可通过第二控制器断开第二连接端30与电芯单体10的连接，或，当第二连接端30与第二充电电路或第二放电电路导通连接时，即可通过第一控制器断开第一连接端20与电芯单体10的连接。本实施中，电池组的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组的充放电端口(第一连接端20和第二连接端30)设置不再受限制，并提高可电池组应用的灵活性。
如图6所示，本申请实施例还提供一种电子设备，包括上述任一些实施例中的电池组，还包括：与电池组610的第一连接端610a连接的第一充电电路620和第一放电电路630，以及与电池组610的第二连接端610b连接的第二充电电路640和第二放电电路650。
第一充电电路620和第二充电电路640可以理解为设置在电子设备中的电路，其可用 于接收适配器输出的充电电流或充电电压，进而为电池组进行充电。第一放电电路630和第二放电电路650可理解为设置在电子设备中的电路，其可用于接收电池组输出的充电电流或充电电压，进而为电子设备中的待供电模块供电。
在一些实施例中，第一充电电路620和第一放电电路630可靠近电池组610的第一连接端610a设置，第二充电电路640和第二放电电路650可靠近电池组610的第二连接端610b设置。
本实施例中的电池组的第一侧面可通过第一连接端610a与第一充电电路620或第一放电电路630连接，同时，电池组的第二侧面可通过第二连接端610b与第二充电电路640或第二放电电路650连接，以使该电池组610的两个不同侧面都可以执行充放电的操作，大大缩短了充电过程和放电过程的电流通路，减少电流经过通路产生的功耗和热量，可以实现大功率的充放电，进一步加快了充电速度，可以大幅度提高充放电功率。同时，电池组610的充放电端口(第一连接端610a和第二连接端610b)设置不再受限制，并提高可电池组应用的灵活性。
本申请实施例还提供一种充放电控制方法，应用于包括第一连接端和第二连接端的电池组，其中，该电池组内置在电子设备中。其中，该电子设备包括电池组、与电池组的第一连接端连接的第一充电电路和第一放电电路，以及与电池组的第二连接端连接的第二充电电路和第二放电电路。
图7为一个实施例中充放电控制方法的流程图。在一个实施例中充放电控制方法，包括步骤702至步骤704，其中：
步骤702，检测电池组的充放电模式，充放电模式包括第一充电模式、第二充电模式、第一放电模式和第二放电模式。
在一些实施例中，该电子设备可以检测第一充电电路、第二充电电路是否有外接适配器。当第一充电电路外接适配器时，则该充放电模式为第一充电模式；当第二充电电路外接适配器时，则该充放电模式为第二充电模式。当第一充电电路和第二充电电路均未外接适配器，其通过第一放电电路为该电子设备的待供电模块供电时，该充放电模式为第一放电模式；当第一充电电路和第二充电电路均未外接适配器，其通过第二放电电路为该电子设备的待供电模块供电时，该充放电模式为第二放电模式。
在一些实施例中，当第一充电电路或第二充电电路接入适配器时，电子设备可以与该适配器进行双向通信，通过接受适配器发送的询问指令，该询问指令用于询问该电子设备是否开启该充电模式，根据该询问指令向适配器发送确认指令，进而可以识别适配器的充电模式。
步骤704，根据充放电模式输出相应的控制指令以使电池组处于充电状态或放电状态。
其中，控制指令用于导通或断开电池组与第一连接端的连接，或，以导通或断开电池组与第二连接端的连接。
在一些实施例中，电池组，包括：相互串联的至少两个电芯单体，以及与电芯单体连接的第一连接端和第二连接端，第一连接端位于电池组的第一侧面，第二连接端位于电池组的第二侧面。其中，第一连接端用于连接第一充电电路或第一放电电路；第二连接端用于连接第二充电电路或第二放电电路。电芯单体，包括第一端部和第二端部，以及至少设置在第一端部的第一极耳和至少设置在第二端部的第二极耳，第二极耳与第一极耳的极性相反；设置在电池组的同一侧面的一个电芯单体的第一极耳与另一电芯单体的第二极耳串联连接后与第一连接端或第二连接端连接。
当电池组的充放电模式为第一充电模式或第一放电模式时，可以控制电池组的第一连接端与电芯单体导通连接，并控制电池组的第二连接端与电芯单体断开连接，以使电池组处于充电状态或放电状态。
当电池组的充放电模式为第二充电模式或第二放电模式时，可以控制电池组的第一连 接端与电芯单体断开连接，并控制电池组的第二连接端与电芯单体导通连接，以使电池组处于充电状态或放电状态。
上述充电控制方法，检测电池组的充放电模式，充放电模式包括第一充电模式、第二充电模式、第一放电模式和第二放电模式；根据充放电模式输出相应的控制指令以使电池组处于充电状态或放电状态，进而提高充电、放电效率。
应该理解的是，虽然图7的流程图中的各个步骤按照箭头的指示依次显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，这些步骤可以以其它的顺序执行。而且，图7中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，这些子步骤或者阶段的执行顺序也不必然是依次进行，而是可以与其它步骤或者其它步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
本申请实施例还提供了一种计算机可读存储介质。一个或多个包含计算机可执行指令的非易失性计算机可读存储介质，当计算机可执行指令被一个或多个处理器执行时，使得处理器执行充电控制方法的操作。
一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行充电控制方法的操作。
本申请实施例还提供了一种电子设备。电子设备包括：电池单元，以及与电池单元连接的上述任一些实施例中的充电控制装置。如图8所示，为了便于说明，仅示出了与本申请实施例相关的部分，具体技术细节未揭示的，请参照本申请实施例方法部分。该电子设备可以为包括手机、平板电脑、PDA(Personal Digital Assistant，个人数字助理)、POS(Point of Sales，销售终端)、车载电脑、穿戴式设备等任意终端设备，以电子设备为手机为例：
图8为与本申请实施例提供的电子设备相关的手机的部分结构的框图。参考图8，手机包括：射频(Radio Frequency，RF)电路810、存储器820、输入单元830、显示单元840、传感器850、音频电路860、无线保真(wireless fidelity，WiFi)模块780、处理器880、以及电源890等部件。本领域技术人员可以理解，图8所示的手机结构并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
其中，RF电路810可用于收发信息或通话过程中，信号的接收和发送，可将基站的下行信息接收后，给处理器880处理；也可以将上行的数据发送给基站。通常，RF电路包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。此外，RF电路810还可以通过无线通信与网络和其他设备通信。上述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)、长期演进(Long Term Evolution，LTE))、电子邮件、短消息服务(Short Messaging Service，SMS)等。
存储器820可用于存储软件程序以及模块，处理器880通过运行存储在存储器820的软件程序以及模块，从而执行手机的各种功能应用以及数据处理。存储器820可主要包括程序存储区和数据存储区，其中，程序存储区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能的应用程序、图像播放功能的应用程序等)等；数据存储区可存储根据手机的使用所创建的数据(比如音频数据、通讯录等)等。此外，存储器820可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元830可用于接收输入的数字或字符信息，以及产生与手机800的用户设置以及功能控制有关的键信号输入。具体地，输入单元830可包括触控面板831以及其他输入设备832。触控面板831，也可称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板831上或在触控面板831附近的操作)，并根据预先设定的程式驱动相应的连接装置。在一个实施例中，触控面板831可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器880，并能接收处理器880发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板831。除了触控面板831，输入单元830还可以包括其他输入设备832。具体地，其他输入设备832可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)等中的一种或多种。
显示单元840可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元840可包括显示面板841。在一个实施例中，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板841。在一个实施例中，触控面板831可覆盖显示面板841，当触控面板831检测到在其上或附近的触摸操作后，传送给处理器880以确定触摸事件的类型，随后处理器880根据触摸事件的类型在显示面板841上提供相应的视觉输出。虽然在图8中，触控面板831与显示面板841是作为两个独立的部件来实现手机的输入和输入功能，但是在某些实施例中，可以将触控面板831与显示面板841集成而实现手机的输入和输出功能。
手机800还可包括至少一种传感器850，比如光传感器、运动传感器以及其他传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板841的亮度，接近传感器可在手机移动到耳边时，关闭显示面板841和/或背光。运动传感器可包括加速度传感器，通过加速度传感器可检测各个方向上加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换)、振动识别相关功能(比如计步器、敲击)等；此外，手机还可配置陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器等。
音频电路860、扬声器861和传声器862可提供用户与手机之间的音频接口。音频电路860可将接收到的音频数据转换后的电信号，传输到扬声器861，由扬声器861转换为声音信号输出；另一方面，传声器862将收集的声音信号转换为电信号，由音频电路860接收后转换为音频数据，再将音频数据输出处理器880处理后，经RF电路810可以发送给另一手机，或者将音频数据输出至存储器820以便后续处理。
WiFi属于短距离无线传输技术，手机通过WiFi模块780可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。虽然图8示出了WiFi模块780，但是可以理解的是，其并不属于手机800的必须构成，可以根据需要而省略。
处理器880是手机的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器820内的软件程序和/或模块，以及调用存储在存储器820内的数据，执行手机的各种功能和处理数据，从而对手机进行整体监控。在一个实施例中，处理器880可包括一个或多个处理单元。在一个实施例中，处理器880可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等；调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器880中。
手机800还包括给各个部件供电的电源890(比如电池)，优选的，电源可以通过电源管理系统与处理器880逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功 耗管理等功能。电源890包括多个电池单元40、与多个电池单元40一一对应连接的多个开关单元，电源890可以为本申请实施例中的充电控制装置。
在一个实施例中，手机800还可以包括摄像头、蓝牙模块等。
在本申请实施例中，该电子设备所包括的处理器880执行存储在存储器上的计算机程序时实现充电控制方法的步骤。
本申请所使用的对存储器、存储、数据库或其它介质的任何引用可包括非易失性和/或易失性存储器。非易失性存储器可包括只读存储器(ROM)、可编程ROM(PROM)、电可编程ROM(EPROM)、电可擦除可编程ROM(EEPROM)或闪存。易失性存储器可包括随机存取存储器(RAM)，它用作外部高速缓冲存储器。作为说明而非局限，RAM以多种形式可得，诸如静态RAM(SRAM)、动态RAM(DRAM)、同步DRAM(SDRAM)、双数据率SDRAM(DDR SDRAM)、增强型SDRAM(ESDRAM)、同步链路(Synchlink)DRAM(SLDRAM)、存储器总线(Rambus)直接RAM(RDRAM)、直接存储器总线动态RAM(DRDRAM)、以及存储器总线动态RAM(RDRAM)。
以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (17)

  1. 一种电池组，包括：相互串联的至少两个电芯单体，以及与所述电芯单体连接的第一连接端和第二连接端，所述第一连接端和所述第二连接端分别位于所述电池组的不同侧面，均用于连接充电电路或放电电路，其中，
    所述电芯单体，包括第一端部和第二端部，以及至少设置在所述第一端部的第一极耳和至少设置在所述第二端部的第二极耳，所述第二极耳与所述第一极耳的极性相反；
    设置在所述电池组的同一侧面的一个所述电芯单体的所述第一极耳与另一所述电芯单体的所述第二极耳串联连接后与所述第一连接端或所述第二连接端连接。
  2. 根据权利要求1所述的电池组，其中所述电池组包括相互串联的第一电芯单体和第二电芯单体；所述第一电芯单体和第二电芯单体均包括设置在所述第一端部的第一极耳和设置在所述第二端部的第二极耳，
    所述第一电芯单体的所述第一端部与所述第二电芯单体的第二端部且均位于所述电池组的同一侧面，所述第一电芯单体的第一极耳与所述第二电芯单体的第二极耳连接后与所述第一连接端连接，且所述第一电芯单体的第二极耳与所述第二电芯单体的第一极耳连接后与所述第二连接端连接，其中，
    所述第一连接端用于连接所述充电电路，第二连接端用于连接所述放电电路。
  3. 根据权利要求1所述的电池组，其中所述电池组包括相互串联的第一电芯单体和第二电芯单体；所述第一电芯单体和第二电芯单体均包括设置在所述第一端部的第一极耳和设置在所述第二端部的第二极耳，
    所述第一电芯单体的所述第一端部与所述第二电芯单体的第二端部且均位于所述电池组的同一侧面，所述第一电芯单体的第一极耳与所述第二电芯单体的第二极耳连接后与所述第一连接端连接，且所述第一电芯单体的第二极耳与所述第二电芯单体的第一极耳连接后与所述第二连接端连接，其中，所述第一连接端用于连接所述放电电路，第二连接端用于连接所述充电电路。
  4. 根据权利要求1所述的电池组，其中所述电池组包括相互串联的第一电芯单体和第二电芯单体；其中，所述第一电芯单体包括设置在所述第一端部的第一极耳和第二极耳，及设置在所述第二端部的第二极耳；所述第二电芯单体包括设置在所述第一端部的第一极耳，及设置在所述第二端部的第一极耳和第二极耳；所述第一电芯单体的第一端部与所述第二电芯单体的第二端部且均位于所述电池组的同一侧面，
    所述第一电芯单体中位于第一端部的第二极耳与所述第二电芯单体中位于第二端部的第一极耳连接，所述第一电芯单体中位于第一端部的第一极耳与所述第二电芯单体中位于第二端部的第二极耳连接后与第一连接端连接，且所述第一电芯单体中位于第二端部的第二极耳与所述第二电芯单体中位于第一端部的第一极耳连接后与第二连接端连接，其中，
    所述第一连接端用于连接所述充电电路，第二连接端用于连接所述放电电路。
  5. 根据权利要求1所述的电池组，其中所述电池组包括相互串联的第一电芯单体和 第二电芯单体；其中，所述第一电芯单体包括设置在所述第一端部的第一极耳和第二极耳，及设置在所述第二端部的第二极耳；所述第二电芯单体包括设置在所述第一端部的第一极耳，及设置在所述第二端部的第一极耳和第二极耳；所述第一电芯单体的第一端部与所述第二电芯单体的第二端部且均位于所述电池组的同一侧面，
    所述第一电芯单体中位于第一端部的第二极耳与所述第二电芯单体中位于第二端部的第一极耳连接，所述第一电芯单体中位于第一端部的第一极耳与所述第二电芯单体中位于第二端部的第二极耳连接后与第一连接端连接，且所述第一电芯单体中位于第二端部的第二极耳与所述第二电芯单体中位于第一端部的第一极耳连接后与第二连接端连接，其中，
    所述第一连接端用于连接所述放电电路，第二连接端用于连接所述充电电路。
  6. 根据权利要求4或5所述的电池组，其中所述第一电芯单体还包括设置在所述第二端部的第一极耳，所述第二电芯单体还包括设置在所述第一端部的第二极耳，其中，
    所述第一电芯单体中位于第二端部的第一极耳与所述第二电芯单体中位于第一端部的第二极耳连接，所述第一电芯单体中位于第二端部的第二极耳与所述第二电芯单体中位于第一端部的第一极耳连接后与所述电池组用于连接所述放电电路或放电电路的所述第二连接端连接。
  7. 根据权利要求1-5任一项所述的电池组，其中所述电池组还包括：
    第一连接模块，设置在所述电池组的第一侧面，用于选择导通或断开所述电芯单体与所述第一连接端之间的连接；
    第二连接模块，设置在所述电池组的第二侧面，用于选择导通或断开所述电芯单体与所述第二连接端之间的连接，其中，所述第一侧面与所述第二侧面相背设置。
  8. 根据权利要求7所述的电池组，其中所述第一连接模板包括第一控制器，所述第二连接模块包括第二控制器，其中，
    所述第一控制器分别与所述充电电路、放电电路、第一连接端、第二控制器连接，用于识别所述电池组的充放电状态，并根据所述充放电状态选择导通或断开所述第一连接端与所述电芯单体的连接，还用于根据所述充放电状态输出相应的控制指令至所述第二控制器，以使所述第二控制器选择导通或断开所述第二连接端与所述电芯单体的连接；
    所述第二控制器分别与所述充电电路、放电电路、第二连接端、第一控制器连接，用于识别所述电池组的充放电状态，并根据所述充放电状态选择导通或断开所述第二连接端与所述电芯单体的连接，还用于根据所述充放电状态输出相应的控制指令至所述第一控制器，以使所述第一控制器选择导通或断开所述第二连接端与所述电芯单体的连接。
  9. 根据权利要求8所述的电池组，其中所述第一连接模板还包括第一保护电路，所述第二连接模块还包括第二保护电路；其中，
    所述第一保护电路用于保护与所述第一连接模板相邻设置的所述充电电路或放电电路；
    所述第二保护电路用于保护与所述第二连接模板相邻设置的所述充电电路或放电电路。
  10. 根据权利要求1所述的电池组，其中位于所述电池组的任一侧面的相邻的其中一个所述电芯单体的第一极耳与另一个电芯单体的第二极耳连接。
  11. 根据权利要求1所述的电池组，其中所述第一极耳为正极耳，所述第二极耳为负极耳。
  12. 根据权利要求1所述的电池组，其中所述第一极耳为负极耳，所述第二极耳为正极耳。
  13. 根据权利要求1所述的电池组，其中所述第一侧面与所述第二侧面相背设置。
  14. 一种电子设备，包括：
    如权利要求1-13任一项所述的电池组；
    与所述第一连接端连接的第一充电电路和第一放电电路；及
    与所述第二连接端连接的第二充电电路和第二放电电路。
  15. 根据权利要求14所述的电子设备，其中所述第一充电电路和第一放电电路靠近所述电池组的第一连接端设置，所述第二充电电路和第二放电电路靠近所述电池组的第二连接端设置。
  16. 一种充放电控制方法，应用于包括第一连接端和第二连接端的电池组，所述方法包括：
    检测所述电池组的充放电模式，所述充放电模式包括第一充电模式、第二充电模式、第一放电模式和第二放电模式；
    根据所述充放电模式输出相应的控制指令以使所述电池组处于充电状态或放电状态，其中，所述控制指令用于导通或断开所述电池组与所述第一连接端的连接，或，以导通或断开所述电池组与所述第二连接端的连接。
  17. 根据权利要求16所述的方法，其中所述电池组还包括相互串联的至少两个电芯单体，当所述电池组的充放电模式为第一充电模式或第一放电模式时，控制所述电池组的第一连接端与电芯单体导通连接，并控制电池组的第二连接端与电芯单体断开连接，以使电池组处于充电状态或放电状态；
    当所述电池组的充放电模式为第二充电模式或第二放电模式时，可以控制电池组的第一连接端与电芯单体断开连接，并控制电池组的第二连接端与电芯单体导通连接，以使电池组处于充电状态或放电状态。
PCT/CN2020/075175 2019-02-22 2020-02-14 电池组、电子设备和充放电控制方法 WO2020168980A1 (zh)

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