WO2022068802A1 - 充电器、充电控制方法及装置 - Google Patents
充电器、充电控制方法及装置 Download PDFInfo
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- WO2022068802A1 WO2022068802A1 PCT/CN2021/121256 CN2021121256W WO2022068802A1 WO 2022068802 A1 WO2022068802 A1 WO 2022068802A1 CN 2021121256 W CN2021121256 W CN 2021121256W WO 2022068802 A1 WO2022068802 A1 WO 2022068802A1
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- power
- charging
- charging interface
- interface
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/485—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries with provisions for charging different types of batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/933—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- 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
- the present application relates to the field of communication technologies, and in particular, to a charger, a charging control method, and a device.
- the current multi-port chargers generally have 1A1C (1 USB_A, 1 USB_C), 2A1C (2 USB_A, 1 USB_C), 1A2C (1 USB_A, 2 USB_C) and other types.
- Existing multi-port chargers generally have at least one charging port that supports fast charging.
- the inventor found that the power allocated by the charger to each charging port is fixed, and when charging using multiple charging ports , Some charging interfaces actually require less power than their assigned fixed power, while some charging interfaces, generally fast charging interfaces, actually require more power than their assigned fixed power, resulting in a multi-port charger power difference. It is not effectively utilized, and the effective utilization rate of the power of the multi-port charger is low.
- the purpose of the embodiments of the present application is to provide a charger, a charging control method and a device, which can solve the problem of low effective power utilization of existing chargers.
- an embodiment of the present application provides a charger, including: a power socket, a voltage converter, a first power converter, a second power converter, a first charging protocol chip, a second charging protocol chip, a first a charging interface and a second charging interface;
- the voltage converter is respectively connected to the power socket, the first power converter and the second power converter, the voltage converter is used for converting alternating current into direct current, the first power converter and The second power converters are all used for DC power conversion;
- the first charging protocol chip is respectively connected to the first power converter and the first charging interface
- the second charging protocol chip is respectively connected to the second power converter and the second charging interface
- the first charging protocol chip is connected in communication with the second charging protocol chip.
- an embodiment of the present application provides a charging control method, which is applied to a charger, including:
- first charging interface and the second charging interface are respectively connected to the first device and the second device and perform fast charging, acquiring the first pull-in power of the first device;
- command information is sent to the second charging interface, where the command information is used to instruct to adjust the output power of the second charging interface to a target value.
- an embodiment of the present application further provides a charging control device, including:
- an acquisition module configured to acquire the first pull-in power of the first device when the first charging interface and the second charging interface are respectively connected to the first device and the second device and perform fast charging;
- a sending module configured to send instruction information to the second charging interface when the first pull-in power meets a preset condition, where the instruction information is used to instruct the output power of the second charging interface to be adjusted to the target value.
- an embodiment of the present application provides a charger, including: the charging control device according to the third aspect.
- an embodiment of the present application provides a charger, including: a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being The processor implements the steps of the charging control method according to the second aspect when executed.
- an embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the charging according to the second aspect is implemented The steps of the control method.
- an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the second aspect The steps of the charging control method.
- embodiments of the present application provide a computer program product, wherein the program product is stored in a non-volatile storage medium, and the program product is executed by at least one processor to implement the second aspect. The steps of the charging control method described above.
- the voltage converter outputs a fixed voltage
- the voltage converters are respectively connected in series with the first power converter and the second power converter, and the first power converter and the second power converter are composed of different
- the charging protocol chip is controlled to realize the multi-port fast charging function; in addition, the direct communication connection between different charging protocol chips enables real-time mutual transmission of power information between the dual ports, thereby realizing the power between different output ports of the multi-port charger. Intelligent distribution, improve the effective utilization of multi-port charger power, and improve the user's fast charging experience.
- FIG. 1 is a schematic diagram of a hardware circuit structure of an existing charger
- FIG. 2 is a schematic structural diagram of a hardware circuit of a charger according to an embodiment of the application.
- FIG. 3 is a schematic flowchart of a charging control method provided by an embodiment of the present application.
- FIG. 4 is a preset communication sequence diagram of an embodiment of the application.
- FIG. 5 is one of the communication scenarios in which the first protocol chip and the second protocol chip according to the embodiment of the present application realize single-wire communication by cascading input and output pins;
- FIG. 6 is the second communication scenario in which the first protocol chip and the second protocol chip according to the embodiment of the present application realize single-line communication by cascading input and output pins;
- Fig. 7 is the third communication scenario in which the first protocol chip and the second protocol chip of the embodiment of the application realize single-wire communication by cascading input and output pins;
- FIG. 8 is the fourth communication scenario in which the first protocol chip and the second protocol chip according to the embodiment of the present application realize single-wire communication by cascading input and output pins;
- FIG. 9 is a schematic structural diagram of a charging control device provided by an embodiment of the present invention.
- the charger is a 1A1C multi-port charger, that is, a charger including a Type-A USB port (hereinafter referred to as A port) and a Type-C USB (hereinafter referred to as C port) port.
- a port can only support 5V2A charging, or it can support both 5V2A charging and fast charging;
- the C port supports fast charging.
- a multi-port charger that supports fast charging with both ports usually two sets of circuits are stacked together, as shown in Figure 2.
- the charger includes: a power socket (AC socket in the figure), two voltage converters (labeled 101 and 102 in the figure), two charging protocol chips (the protocol IC1 and the protocol IC2 in the figure), and two charging interfaces (in the figure).
- a power socket AC socket in the figure
- two voltage converters labeled 101 and 102 in the figure
- two charging protocol chips the protocol IC1 and the protocol IC2 in the figure
- two charging interfaces in the figure.
- Type-A USB interface and Type-C USB interface are used to convert alternating current to direct current; and both are connected to power sockets.
- the Type-A USB interface includes a plurality of terminals or pins, specifically including: a plurality of first data transmission terminals for data transmission, and a voltage output terminal for charging.
- the data transmission end of the Type-A USB interface includes the data pins D+ pin and D- pin in the Type-A USB interface.
- the voltage output terminal of the Type-A USB interface is the voltage pin VBUS pin in the Type-A USB interface.
- the data pins D+ pin and D- pin in the Type-A USB interface are respectively connected to the protocol IC1; the voltage pin VBUS pin in the Type-A USB interface is connected to the secondary side of the voltage converter 101 .
- a first sampling output module is provided between the voltage output end of the Type-A USB interface and the voltage converter 101, and the first sampling output module is connected to the protocol IC1 for collecting the voltage and current.
- the Type-C USB interface includes multiple terminals or pins, specifically including: multiple data transmission terminals for data transmission and voltage output terminals for charging.
- the data terminal of the Type-C USB interface includes the data pins D+ pin, D- pin and CC pin in the Type-C USB interface.
- the voltage output terminal of the Type-C USB interface is the voltage pin VBUS pin in the Type-C USB interface.
- the data pins D+ pin, D- pin and CC pin in the Type-C USB interface are respectively connected to the protocol IC2; the voltage pin VBUS pin in the Type-C USB interface is connected to the secondary pin of the voltage converter 102 side.
- a second sampling output module is provided between the voltage output end of the Type-C USB interface and the voltage converter 102, and the second sampling output module is connected to the protocol IC2 for collecting the voltage and current.
- the charger includes: a power socket 1 , a voltage converter 2 , a first power converter 3 , a second power converter 4 , a first power A charging protocol chip 5 , a second charging protocol chip 6 , a first charging interface 7 and a second charging interface 8 .
- the voltage converter 2 is respectively connected to the power socket 1, the first power converter 3 and the second power converter 4, the voltage converter 2 is used to convert alternating current into direct current, and the first power converter 3 and the second power converter 4 are all used for DC power conversion;
- the first charging protocol chip 5 is respectively connected to the first power converter 3 and the first charging interface 7;
- the second charging protocol chip 6 is respectively connected to the second power converter 4 and the second charging interface 8;
- the first charging protocol chip 5 and the second charging protocol chip 6 are in communication connection.
- the charger is a 1A1C multi-port charger, that is, a charger that includes a Type-A USB port (hereinafter referred to as A port) and a Type-C USB (hereinafter referred to as C port) port.
- a port can only support 5V2A charging, or it can support both 5V2A charging and fast charging;
- C port supports fast charging.
- the first charging interface corresponds to the Type-A USB interface in this example
- the second charging interface corresponds to the Type-C USB interface in this example.
- the first power converter 3 is a step-down converter circuit (BUCK1 in the figure)
- the second power converter 4 is a step-down converter circuit (BUCK2 in the figure).
- the first charging interface 7 includes a plurality of terminals or pins, and specifically includes: a first voltage output terminal for charging, and a plurality of first data transmission terminals for data transmission.
- the first data transmission end of the first charging interface 7 includes the data pins D+ pins and D- pins in the Type-A USB interface.
- the first voltage output end of the first charging interface 7 is the voltage pin VBUS pin in the Type-A USB interface.
- the first data transmission end of the first charging interface 7 is connected to the first charging protocol chip 5, that is, the data pins D+ and D- of the Type-A USB interface are respectively connected to the protocol IC1; the first charging interface The first voltage output end of 7 is connected to the first power converter 3, that is, the voltage pin VBUS pin in the Type-A USB interface is connected to the first power converter 3.
- the charger in the embodiment of the present application may further include: a first sampling output module disposed between the first voltage output end of the first charging interface 7 and the first power converter 3 , the The first sampling output module is connected to the first charging protocol chip 5 , and the first sampling output module is used to collect the voltage and current of the first voltage output terminal; the first power converter 3 is connected to the first charging protocol chip 5 .
- the second charging interface 8 includes a plurality of terminals or pins, and specifically includes: a second voltage output terminal for charging, and a plurality of second data transmission terminals for data transmission.
- the second data terminal of the second charging interface 8 includes the data pins D+ pin, D- pin and CC pin in the Type-C USB interface.
- the second voltage output end of the second charging interface 8 is the voltage pin VBUS pin in the Type-C USB interface.
- the second data transmission end of the second charging interface 8 is connected to the second charging protocol chip 6, that is, the data pins D+, D-, CC1 and CC2 in the Type-C USB interface are respectively The connection protocol IC2; the second voltage output end of the second charging interface 8 is connected to the second power converter 4, that is, the voltage pin VBUS pin in the Type-C USB interface is connected to the second power converter 4.
- the charger in the embodiment of the present application may further include: a second sampling output module disposed between the second voltage output end of the second charging interface 8 and the second power converter 4 , the The second sampling output module is connected to the second charging protocol chip 6 , and the second sampling output module is used to collect the voltage and current of the second voltage output terminal; the second power converter 4 is connected to the second charging protocol chip 6 .
- the voltage converter 2 is an AC-DC converter, and the voltage converter 2 outputs a fixed voltage, such as a fixed output of 21V.
- Two protocol ICs that is, the first charging protocol chip 5 and the second charging protocol chip 6 communicate through the direct connection of the general-purpose I/O port (General-Purpose Input/Output, GPIO).
- the first charging protocol The input and output pins of the chip 5 are cascaded with the input and output pins of the second charging protocol chip 6, thereby realizing real-time mutual transmission of power information between the dual ports, which is simple in implementation and rich in transmission content.
- the charger according to the embodiment of the present application further includes: a first temperature sampling module and a second temperature sampling module, wherein the first temperature sampling module and the second temperature sampling module are The first charging protocol chip 5 is connected.
- the voltage converter outputs a fixed voltage
- the first power converter and the second power converter are respectively connected in series to the voltage converter
- the first power converter and the second power converter are composed of different
- the charging protocol chip is controlled by the charging protocol chip, so as to realize the multi-port fast charging function; in addition, the direct communication connection between different charging protocol chips, so as to realize the real-time mutual transmission of power information between the dual ports, and then realize the multi-port charger between different output ports.
- Intelligent power distribution improves the effective utilization of multi-port charger power and improves the user's fast charging experience.
- an embodiment of the present application further provides a charging control method.
- the method is applied to a charger.
- the charger may be the charger described in the above embodiment.
- the method may specifically include:
- Step 301 in the case that the first charging interface and the second charging interface are respectively connected to the first device and the second device and perform fast charging, obtain the first pull-in power of the first device;
- the first charging protocol chip 5 and the second charging protocol chip 6 can realize communication connection, and the first charging protocol chip 5 is connected with the first charging interface 7, the second charging protocol chip 6 It is connected to the second charging interface 8 , so the second charging interface 8 can obtain the first pulling power of the first device connected to the first charging interface 7 .
- the pull-up power can be understood as the power that the electronic device needs to output from the charger to itself when the electronic device is charged by the charger.
- the first electronic device connected to the first charging interface is not a fast charging device, it is only necessary to pull a power of 5V2A, ie, 10W, from the charger from the first charging interface.
- Step 302 in the case that the first pull-in power meets a preset condition, send instruction information to the second charging interface, where the instruction information is used to instruct to adjust the output power of the second charging interface to the target numerical value.
- the maximum power allowed to output by the second charging interface is no longer a fixed power, but can be intelligently adjusted according to the pulling power of other charging interfaces.
- the execution body of the method in the embodiment of the present application is the second charging protocol chip.
- the first pull-in power of the first device is obtained;
- the instruction information is sent to the second charging interface, and the instruction information is used to instruct the output power of the second charging interface to be adjusted to the target value.
- the method step 101 in this embodiment of the present application may specifically include:
- first command information is sent to the second charging interface, where the first command information is used to instruct to increase the 2.
- the output power of the charging interface reaches the first target value
- the first pull-in power continues to be lower than the first threshold within the preset time, indicating that the power of the first device has exceeded the preset threshold. There is no need for the charger to allocate too much power to itself. At this time, in order to improve the effective utilization rate of the charger power and to speed up the charging process of the second device, send an instruction to increase the output power of the second charging interface.
- the first command information to the first target value.
- the first target value is determined by the total power of the charger and the first pulling power, and may specifically be a difference between the total power of the charger and the first pulling power.
- the device when the device is charging, the device will heat up. When the device temperature reaches the preset temperature, the pull-up power will be automatically reduced. After that, the temperature will return to normal by means of cooling, and the pull-up power will return to the original level. Or, when the device is making a phone call, if the pull-up power is too high, the call quality will be affected. Generally, the pull-up power will be reduced. After the call ends, the pull-up power will return to the original level.
- the drop amount of the first pull-in power per unit time exceeds the second threshold, indicating that the temperature of the first device reaches the preset temperature, and the first pull-in power is automatically reduced; or, the first device is in a call state, and the first pull-in power
- the second instruction information for instructing to increase the output power of the second charging interface to the second target value is sent.
- the second target value is determined by the total power of the charger and the first pulling power, and may specifically be a difference between the total power of the charger and the first pulling power.
- the first pull-in power is greater than the first output power, indicating that the current power of the first device is low. It can be understood that the first device needs to be allocated more power by the charger in the initial stage of charging. At this time, in order to speed up the first device During the charging process of the device, send third instruction information instructing to reduce the output power of the second charging interface to a third target value.
- the third target value is determined by the total power of the charger and the first pulling power, and may specifically be the difference between the total power of the charger and the first pulling power.
- the target value (here The target value generally refers to any one of the above-mentioned first target value, second target value and third target value), which may include:
- the target value is B*A.
- the basic step size A for power adjustment is a preset value.
- the quotient of the intermediate power and the power adjustment basic step A is rounded down to obtain B, and B is greater than 1, indicating that the charger outputs power surplus through the first charging interface, that is, excluding the first load power , there is still a lot of surplus power that is not used.
- the surplus power is allocated to the second charging interface side, which can improve the effective utilization rate of the power of the multi-port charger, and the second charging interface is connected to the second charging interface.
- the charging time of the second device is greatly shortened, the fast charging effect is enhanced, and the user's fast charging experience is further improved.
- the maximum output power allowed by the second charging interface maintains the original power, that is, for all The maximum output power allowed by the second charging interface is not processed.
- the second charging interface is a master interface
- the first charging interface is a slave interface
- step 301 in this embodiment of the present application obtains the first pull power of the first device, which may include :
- the second charging interface obtains the first load power of the first device every first time
- the first charging protocol chip 5 connected to the first charging interface 7 and the second charging protocol chip 6 connected to the second charging interface 8 are connected in communication, specifically, the first input and output tubes of the first charging interface 7 and the second input and output pins of the second charging interface 8 are cascaded.
- the first input and output pins and the second input and output pins are both GPIO ports.
- the first input and output pins and the second input and output pins are GPIO ports.
- the output pins are RT pins. Communication between different charging protocol chips is carried out through the cascade of GPIO ports, that is, single-wire communication is used to transmit real-time power.
- the step of acquiring the first pull-in power of the first device may include:
- the level state of the second input and output pin is the first target state
- the level state of the second input/output pin includes two states of high level and low level. Here, it is high by default.
- the first target state is a low level.
- the first target state is triggered by the second charging protocol chip. Specifically, when the second charging protocol chip needs to transmit the power information of the second charging interface, it pulls its second input and output pins to the first target state, for example, from the default high level to the low level. Since the first I/O pin is cascaded with the second I/O pin, the level state of the first I/O pin becomes the first target state.
- the preset communication sequence and transmission rules parse the first level information to obtain a first communication instruction and first communication data, where the first communication instruction is used to indicate that the first level information is in the first level information. , corresponding to the level state within the command transmission period;
- the preset communication sequence is shown in Figure 4, where the communication sequence refers to the level changes that occur on the communication line in chronological order, and the significance of these changes to the communication is called the sequence.
- communication information such as communication commands and communication data
- communication information is transmitted through a low level.
- the time sequence what information each low-level period is used to represent and the duration of each level period (that is, the time specification) have been preset.
- the specific time specification is shown in Table 1 below:
- the communication sequence in FIG. 4 is described in detail.
- the low level lasts for 9ms, corresponding to the Start in the communication sequence, which is used for communication testing; after that, it becomes a high level for 3msT_cap ; Then, it becomes a low level and lasts for 6ms, corresponding to the ACK in the communication sequence, the ACK is feedback to the input and output pins of the second charging protocol chip, indicating that the first charging protocol chip and the second charging protocol chip It can communicate normally; then, it becomes a high level 9msT_wait; after that, it enters the formal information transmission.
- the communication command is transmitted through the level state and the duration of the corresponding level state, and then becomes high level 9msT_wait, and then the level state and the duration of the corresponding level state are transmitted. Communication data corresponding to the communication command.
- T_wait becomes high level for 9ms, it becomes low level for 3ms, high level for 3ms T_cap and low level for 3ms, indicating that the communication command is "00", indicating that port A (here Corresponding to the power transmission command of the Type-A USB interface in Figure 2, that is to say, the communication data transmitted later is the power of the A port sent by the A port.
- the first communication command is a first sending command for obtaining power through the first charging interface
- determine that the first communication data is data representing power
- set the power value corresponding to the first communication data It is determined as the first pull-in power of the first device.
- the communication information is represented by a first preset number of bits, and the value "0" or "1" of the bits is reflected by the low level and the duration of keeping the low level unchanged.
- a 3ms low level is used to represent a "0”
- a 6ms low level is used to represent a "1”.
- the same is true for the communication data, which is represented by a second predetermined number of bits.
- the value "0" or “1" of the bit is reflected by the low level and the duration of the constant low level.
- communication is a process in which two communication parties interact with each other.
- the above embodiment corresponds to the fact that the second charging interface obtains the real-time power of the first charging interface, and according to the obtained real-time power, the second charging protocol chip adjusts the output of the second charging interface side. power process.
- the second charging interface can also send the real-time power of its own side to inform the first charging protocol chip.
- the first charging protocol chip can also adjust the first charging according to the power on the second charging interface side. Output power on the interface side.
- Step 301 in this embodiment of the present application obtains the first pull-in power of the first device, which may include:
- Manner 2 In the case where the first pull-in power of the first charging device changes, the second charging interface receives the first pull-in power of the first device sent by the first charging interface.
- the first charging protocol chip when the first pull-in power of the first charging device changes and does not reach the first duration, the first charging protocol chip will actively send information, that is, the first pull-in power, to the first charging device.
- the second charging protocol chip is convenient for the second charging protocol chip to obtain the second pulling power of the first device in time.
- the first charging interface actively sending the first pulling power of the first device to the second charging interface may include:
- the second communication data representing the first pull-up power is represented by several bits.
- the second target state is a low level state.
- the level state of the first input and output pins is high.
- the first input input output pin is triggered to be pulled to a low level by the second sending instruction.
- the second level information carrying the second communication data and the second sending command is obtained, and output to the second input and output through the first input and output pins pin.
- the second sending command is output to the first through the level state and the duration of the corresponding level state.
- the two I/O pins then change to a high level for 9msT_wait, and then output the second communication data to the second I/O pins through a level state and a duration corresponding to the level state.
- the method may further include:
- the adjusted power is sent to the second device through the second charging interface.
- the method of the embodiment of the present application may further include: acquiring temperature information of the charger.
- a first temperature sampling module and a second temperature sampling module can be arranged on the charger to collect the temperature of the charger itself.
- the first charging protocol chip is connected to the first charging interface, that is, to the A port; the second charging protocol chip is connected to the second charging interface, that is, to the C port.
- Port A regularly sends its own power information to port C.
- port A sends information 3 to port C, as shown in Figure 5.
- the communication process is as follows:
- Port A regularly obtains the power information of port C, and port A obtains information 3 of port C regularly, as shown in Figure 6, the communication process is as follows:
- Port C changes.
- Port C actively sends information to port A, and port C sends information 3 to port A.
- the communication process is as follows:
- Port A regularly sends temperature information to port C, and port A sends temperature information to port C, as shown in Figure 8, the communication process is:
- port A and port C are based on port A as the master interface and port C as the slave interface.
- the C port can also be used as the main interface and the A port as the slave interface, which is not specifically limited here.
- the A port into the mobile phone first, and then insert the C port into the mobile phone (the total power of the charger is 60W, and both A and C ports support fast charging.
- the default power provided by the A port is 30W
- the power provided by the C port is 30W
- the A port establishes fast charging communication with the A port mobile phone, and the A port provides 60W charging power to the A port mobile phone;
- the charger detects that a mobile phone is inserted into the C port, and the C port communicates with the C port mobile phone for fast charging, and recognizes that the C port is a fast charging mobile phone.
- the charging process of the charger resets the A port to make the A port return to the initial state;
- the maximum power provided by the charger for port A and port C is 30W.
- the first charging protocol chip of the charger controls the BUCK1 circuit not to output voltage to the Vbus pin of port A, that is, the charging process of port A is reset to return port A to the initial state.
- the mobile phone at port A and port C are respectively 30W fast charging; at this time, port A continuously sends information to port C to inform itself of its power or continuously obtains the real-time power of port C;
- a and C ports adjust their own maximum output power in real time according to the load situation of the other party.
- the default multi-port charging port A and C provide a maximum external power of 30W.
- a and C continuously detect the pulling load of the port. For example, for more than 10 minutes, the A port detects that the pulling load of the electronic equipment is within 50% of the maximum power. At this time, the A port informs the charging IC on the C port side, and the A port The output power is surplus. After the charging IC on the C port side obtains the power information of the A port, it adjusts the maximum external power provided by the C port, and informs the electronic device on the C port side to charge the electronic device with higher power.
- the A port detects that the electronic device at the A port has exited the fast charge.
- the A port informs the C port that the output power of the A port is surplus at this time.
- the charging IC on the C port side obtains the power information of the A port, adjust The C port provides maximum power to the outside world, and informs the electronic devices at the C port to charge more power.
- the charger provides a full power of 60W to another charging port.
- port A when ports A and C perform fast charging at the same time, as shown in Figure 2, port A has the remaining CC1 and CC2 ports for temperature detection, and port C is blocked because CC1 and CC2 need to communicate with the fast charging protocol. Occupied, there is no extra port for temperature detection, port A continuously transmits its own temperature information to port C, and port C does temperature protection according to the temperature information.
- the first pull-in power of the first device is obtained;
- the instruction information is sent to the second charging interface, and the instruction information is used to instruct the output power of the second charging interface to be adjusted to the target value.
- the execution body may be a charging control device, or a control module in the charging control device for executing the loading charging control method.
- the charging control method provided by the embodiment of the present application is described by taking the charging control device executing the charging charging control method as an example.
- an embodiment of the present application further provides a charging control device 900, which is applied to a charger.
- the charger includes at least two charging interfaces and at least two charging protocol chips, each charging interface is respectively associated with a corresponding The charging protocol chip is connected, and the at least two charging protocol chips are connected to each other in communication; the device includes:
- an obtaining module 901 configured to obtain the first pull-in power of the first device when the first charging interface and the second charging interface are respectively connected to the first device and the second device and perform fast charging;
- a sending module 902 configured to send instruction information to the second charging interface when the first pulling power meets a preset condition, where the instruction information is used to instruct the output power of the second charging interface Adjust to target value.
- the sending module 902 includes:
- a first sending unit configured to send first command information to the second charging interface when the first pull-in power continues to be lower than a first threshold within a preset time, and the first command information is used for Instruct to increase the output power of the second charging interface to the first target value;
- a second sending unit configured to send second command information to the second charging interface when the drop of the first pull-up power per unit time exceeds a second threshold, where the second command information is used for Instruct to increase the output power of the second charging interface to the second target value;
- a third sending unit configured to send third instruction information to the second charging interface when the first pull-in power is greater than the first output power, where the third instruction information is used to instruct to reduce the The output power of the two charging ports reaches the third target value.
- the second charging interface is a master interface
- the first charging interface is a slave interface
- the acquiring module 901 is specifically used for:
- the second charging interface obtains the first pulling power of the first device every first time period; or,
- the second charging interface receives the first pull-in power of the first device sent by the first charging interface.
- the charging control device in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
- the apparatus may be a mobile electronic device or a non-mobile electronic device.
- the mobile electronic device may be a cell phone, tablet computer, notebook computer, palmtop computer, in-vehicle electronic device, wearable device, ultra-mobile personal computer (UMPC), netbook or personal digital Assistant (personal digital assistant, PDA), etc.
- non-mobile electronic devices can be network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (television, TV), teller machine or self-service machine, etc.
- NAS Network Attached Storage
- personal computer personal computer, PC
- television television
- the embodiments of the present application are not specifically limited.
- the charging control device in the embodiment of the present application may be a device with an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- the charging control device provided in the embodiment of the present application can implement each process implemented by the method embodiments in FIG. 1 to FIG. 8 , and in order to avoid repetition, details are not repeated here.
- the acquisition module acquires the first pull-up load of the first device when the first charging interface and the second charging interface are respectively connected to the first device and the second device and perform fast charging. power; the sending module sends command information to the second charging interface when the first pull-in power meets the preset condition, where the command information is used to instruct the output power of the second charging interface to be adjusted to the target value, In this way, the intelligent distribution of the power of the multi-port charger can be realized, the effective utilization rate of the power of the multi-port charger can be improved, and the user's fast charging experience can be improved.
- an embodiment of the present application further provides a charger, including the charging control device described in the foregoing embodiments.
- an embodiment of the present application also provides a charger, including a processor, a memory, a program or an instruction stored in the memory and executable on the processor, and the program or instruction is executed by the processor to realize the above.
- a charger including a processor, a memory, a program or an instruction stored in the memory and executable on the processor, and the program or instruction is executed by the processor to realize the above.
- the chargers in the embodiments of the present application include the aforementioned mobile electronic devices and non-mobile electronic devices.
- Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing charging control method embodiment can be achieved, and can achieve the same In order to avoid repetition, the technical effect will not be repeated here.
- the processor is the processor in the charger described in the above embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the charging control method embodiment described above.
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is configured to run a program or an instruction to implement the charging control method embodiment described above.
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
- the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
- the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
- a storage medium such as ROM/RAM, magnetic disk, CD-ROM
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Abstract
Description
Claims (18)
- 一种充电器,,包括:电源插座、电压转换器、第一功率转换器、第二功率转换器、第一充电协议芯片、第二充电协议芯片、第一充电接口和第二充电接口;其中,所述电压转换器分别连接所述电源插座、所述第一功率转换器和所述第二功率转换器,所述电压转换器用于将交流电转换为直流电,所述第一功率转换器和所述第二功率转换器均用于直流功率变换;所述第一充电协议芯片分别连接所述第一功率转换器和所述第一充电接口;所述第二充电协议芯片分别连接所述第二功率转换器和所述第二充电接口;所述第一充电协议芯片与所述第二充电协议芯片通信连接。
- 根据权利要求1所述的充电器,其中,所述第一充电接口包括:用于充电的第一电压输出端,以及多个用于数据传输的第一数据传输端;其中,所述第一电压输出端连接所述第一功率转换器;所述第一数据传输端连接所述第一充电协议芯片。
- 根据权利要求2所述的充电器,还包括:设于所述第一电压输出端与所述第一功率转换器之间的第一采样输出模组;其中,所述第一采样输出模组与所述第一充电协议芯片连接,所述第一采样输出模块用于采样所述第一电压输出端的电压和电流。
- 根据权利要求1所述的充电器,其中,所述第二充电接口包括:用于充电的第二电压输出端,以及多个用于数据传输的第二数据传输端;其中,所述第二电压输出端连接所述第二功率转换器;所述第二数据传输端连接所述第二充电协议芯片。
- 根据权利要求4所述的充电器,还包括:设于所述第二电压输出端与所述第二功率转换器之间的第二采样输出模组;其中,所述第二采样输出模组与所述第二充电协议芯片连接,所述第二采样输出模组用于采集所述第二电压输出端的电压和电流。
- 一种充电控制方法,应用于如权利要求1至5任一项所述的充电器,包括:在第一充电接口和第二充电接口分别与第一设备和第二设备连接,并进行快速充电的情况下,获取所述第一设备的第一拉载功率;在所述第一拉载功率满足预设条件的情况下,发送指令信息至所述第二充电接口,所述指令信息用于指示将所述第二充电接口的输出功率调整至目标数值。
- 根据权利要求6所述的方法,其中,所述在所述第一拉载功率满足预设条件的情况下,发送指令信息至所述第二充电接口,包括:在所述第一拉载功率在预设时间内持续低于第一阈值的情况下,发送第一指令信息至所述第二充电接口,所述第一指令信息用于指示调高所述第二充电接口的输出功率至第一目标值;或者,在所述第一拉载功率在单位时间内的下降量超过第二阈值情况下,发送第二指令信息至所述第二充电接口,所述第二指令信息用于指示调高所述第二充电接口的输出功率至第二目标值;或者,在所述第一拉载功率大于第一输出功率的情况下,发送第三指令信息至所述第二充电接口,所述第三指令信息用于指示降低所述第二充电接口的输出功率至第三目标值。
- 根据权利要求7所述的方法,其中,所述第一目标值、所述第二目标值和所述第三目标值均由所述充电器的总功率与所述第一拉载功率之间的差值确定。
- 根据权利要求6所述的方法,其中,所述第二充电接口为主接口,所述第一充电接口为从接口;所述获取所述第一设备的第一拉载功率,包括:所述第二充电接口每隔第一时长获取所述第一设备的第一拉载功率;或者,在所述第一充电设备的第一拉载功率发生变化的情况下,所述第二充电接口接收所述第一充电接口发送的所述第一设备的第一拉载功率。
- 一种充电控制装置,包括:获取模块,用于在第一充电接口和第二充电接口分别与第一设备和第二设备连接,并进行快速充电的情况下,获取所述第一设备的第一拉载功率;发送模块,用于在所述第一拉载功率满足预设条件的情况下,发送指令信息至所述第二充电接口,所述指令信息用于指示将所述第二充电接口的输出功率调整至目标数值。
- 根据权利要求10所述的充电控制装置,其中,所述发送模块包括:第一发送单元,用于在所述第一拉载功率在预设时间内持续低于第一阈值的情况下,发送第一指令信息至所述第二充电接口,所述第一指令信息用于指示调高所述第二充电接口的输出功率至第一目标值;或者,第二发送单元,用于在所述第一拉载功率在单位时间内的下降量超过第二阈值情况下,发送第二指令信息至所述第二充电接口,所述第二指令信息用于指示调高所述第二充电接口的输出功率至第二目标值;或者,第三发送单元,用于在所述第一拉载功率大于第一输出功率的情况下,发送第三指令信息至所述第二充电接口,所述第三指令信息用于指示降低所述第二充电接口的输出功率至第三目标值。
- 根据权利要求11所述的充电控制装置,其中,所述第一目标值、所述第二目标值和所述第三目标值均由所述充电器的总功率与所述第一拉载功率之间的差值确定。
- 根据权利要求10所述的充电控制装置,其中,所述第二充电接口为主接口,所述第一充电接口为从接口;所述获取模块具体用于:所述第二充电接口每隔第一时长获取所述第一设备的第一拉载功率;或 者,在所述第一充电设备的第一拉载功率发生变化的情况下,所述第二充电接口接收所述第一充电接口发送的所述第一设备的第一拉载功率。
- 一种充电器,包括:如权利要求10至13任一项所述的充电控制装置。
- 一种充电器,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实现如权利要求6至9中任一项所述的充电控制方法的步骤。
- 一种可读存储介质,其中,所述可读存储介质上存储有程序或指令,所述程序或指令被处理器执行时实现如权利要求6至9中任一项所述的充电控制方法的步骤。
- 一种芯片,包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求6至9中任一项所述的充电控制方法的步骤。
- 一种计算机程序产品,其中,所述程序产品被存储在非易失的存储介质中,所述程序产品被至少一个处理器执行以实现如权利要求6至9中任一项所述的充电控制方法的步骤。
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| CN116031964A (zh) * | 2022-05-30 | 2023-04-28 | 荣耀终端有限公司 | 充电控制的方法及终端设备 |
| CN116031964B (zh) * | 2022-05-30 | 2023-12-22 | 荣耀终端有限公司 | 充电控制的方法及终端设备 |
| CN115032919A (zh) * | 2022-06-30 | 2022-09-09 | 无锡睿勤科技有限公司 | 一种充电测试方法及测试系统 |
| CN116031965A (zh) * | 2022-06-30 | 2023-04-28 | 荣耀终端有限公司 | 充电方法、装置、电源适配器和存储介质 |
| CN116031965B (zh) * | 2022-06-30 | 2023-10-27 | 荣耀终端有限公司 | 充电方法、装置、电源适配器和存储介质 |
| WO2024149361A1 (zh) * | 2023-01-12 | 2024-07-18 | 维沃移动通信有限公司 | 充电方法、装置、电子设备及可读存储介质 |
| CN116505628A (zh) * | 2023-06-28 | 2023-07-28 | 深圳市澳博森科技有限公司 | 一种智能多端口适配器充电控制方法及系统 |
| CN116505628B (zh) * | 2023-06-28 | 2024-01-19 | 深圳市澳博森科技有限公司 | 一种智能多端口适配器充电控制方法及系统 |
| CN118868334A (zh) * | 2024-09-04 | 2024-10-29 | 宁波从越电子设备有限公司 | 能够多口同时充放电的便携式储能装置及充放电功率分配方法 |
| CN119881400A (zh) * | 2025-03-26 | 2025-04-25 | 沐曦科技(北京)有限公司 | 拉载测试电路和装置 |
| CN121478101A (zh) * | 2026-01-12 | 2026-02-06 | 湖南拔越软件开发有限公司 | 用于多类型设备的功率动态分配方法、装置、设备及介质 |
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| Publication number | Publication date |
|---|---|
| CN112202222B (zh) | 2023-03-14 |
| CN112202222A (zh) | 2021-01-08 |
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