CN112202222A - Charger, charging control method and device - Google Patents
Charger, charging control method and device Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
本申请公开了一种充电器、充电控制方法及装置，属于通信技术领域。该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；电压转换器分别连接电源插座、第一功率转换器和第二功率转换器，电压转换器用于将交流电转换为直流电，第一功率转换器和第二功率转换器均用于变换直流功率变换；第一充电协议芯片分别连接第一功率转换器和第一充电接口；第二充电协议芯片分别连接第二功率转换器和第二充电接口；第一充电协议芯片与第二充电协议芯片通信连接。本申请能实现多口充电器功率的智能分配，提高多口充电器功率的有效利用率，提升用户的快充体验。
The application discloses a charger, a charging control method and device, and belongs to the technical field of communication. The charger includes 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 charging interface and a second charging interface; the voltage converters are respectively connected to The power socket, the first power converter and the second power converter, the voltage converter is used to convert the alternating current into the direct current, the first power converter and the second power converter are both used for converting the direct current power conversion; the first charging protocol chip is respectively The first power converter and the first charging interface are connected; the second charging protocol chip is respectively connected with the second power converter and the second charging interface; the first charging protocol chip is connected in communication with the second charging protocol chip. The present application can realize the intelligent distribution of the power of the multi-port charger, improve the effective utilization rate of the power of the multi-port charger, and improve the user's fast charging experience.
Description
Technical Field
The application relates to the technical field of communication, in particular to a charger, a charging control method and a charging control device.
Background
With the continuous development of the technology, the functions of the intelligent electronic device become more and more powerful, the standby time of the intelligent electronic device is more and more emphasized by the user, but the battery capacity is limited by the battery technology, so that a quick charging scheme is developed.
In order to facilitate users to charge different electronic devices, users often use multiple chargers. The conventional multi-port charger generally includes various types such as 1A1C (1 USB _ a, 1 USB _ C), 2A1C (2 USB _ a, 1 USB _ C), 1A2C (1 USB _ a, 2 USB _ C), and the like.
In the process of realizing the application, the inventor finds that the power distributed to each charging interface by the charger is fixed, when the charger is used for charging by a plurality of charging interfaces, the actually required power of some charging interfaces is smaller than the distributed fixed power, while the actually required power of some charging interfaces is generally the fast charging interface and is larger than the distributed fixed power, so that the power of the multi-interface charger is not effectively utilized, and the effective utilization rate of the power of the multi-interface charger is low.
Disclosure of Invention
The embodiment of the application aims to provide a charger, a charging control method and a charging control device, and the problem that the effective utilization rate of the power of the existing charger is low can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a charger, including: the power supply comprises 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 charging interface and a second charging interface;
the voltage converter is respectively connected with the power socket, the first power converter and the second power converter, the voltage converter is used for converting alternating current into direct current, and the first power converter and the second power converter are used for converting direct current power;
the first charging protocol chip is respectively connected with the first power converter and the first charging interface;
the second charging protocol chip is respectively connected with the second power converter and the second charging interface;
the first charging protocol chip is in communication connection with the second charging protocol chip.
In a second aspect, an embodiment of the present application provides a charging control method, applied to a charger, including:
under the condition that a first charging interface and a second charging interface are respectively connected with first equipment and second equipment and carry out quick charging, acquiring first load-pulling power of the first equipment;
and sending instruction information to the second charging interface under the condition that the first load power meets a preset condition, wherein the instruction information is used for instructing to adjust the output power of the second charging interface to a target value.
In a third aspect, an embodiment of the present application further provides a charge control device, including:
the acquisition module is used for acquiring a first load-pulling power of the first equipment under the condition that the first charging interface and the second charging interface are respectively connected with the first equipment and the second equipment and carry out quick charging;
the sending module is used for sending instruction information to the second charging interface under the condition that the first load power meets a preset condition, wherein the instruction information is used for instructing to adjust the output power of the second charging interface to a target value.
In a fourth aspect, an embodiment of the present application provides a charger, including: the charging control apparatus according to the third aspect.
In a fifth aspect, an embodiment of the present application provides a charger, including: a processor, a memory and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the steps of the charging control method according to the second aspect.
In a sixth aspect, the present application further provides a readable storage medium, on which a program or instructions are stored, and when the program or instructions are executed by a processor, the program or instructions implement the steps of the charging control method according to the second aspect.
In a seventh aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the charging control method according to the second aspect.
In the embodiment of the application, a fixed voltage is output through a voltage converter, a first power converter and a second power converter are respectively connected in series with the voltage converter, and the first power converter and the second power converter are respectively controlled by different charging protocol chips, so that a multi-port quick charging function is realized; moreover, the chips of different charging protocols are in direct communication connection, so that real-time mutual transmission of power information between the two ports is realized, intelligent power distribution among different output ports of the multi-port charger is realized, the effective utilization rate of the power of the multi-port charger is improved, and the quick charging experience of a user is improved.
Drawings
FIG. 1 is a schematic diagram of a hardware circuit structure of a conventional charger;
fig. 2 is a schematic diagram of a hardware circuit structure of a charger according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of a charging control method according to an embodiment of the present application;
FIG. 4 is a preset communication timing diagram according to an embodiment of the present application;
fig. 5 is one of communication scenarios in which a first protocol chip and a second protocol chip implement single-wire communication through input/output pin cascade according to the embodiment of the present application;
fig. 6 is a second communication scenario in which the first protocol chip and the second protocol chip implement single-wire communication through cascade connection of input and output pins according to the embodiment of the present application;
fig. 7 is a third communication scenario in which a first protocol chip and a second protocol chip implement single-wire communication through cascade connection of input/output pins according to the embodiment of the present application;
fig. 8 is a fourth communication scenario in which the first protocol chip and the second protocol chip implement single-wire communication through cascade connection of input/output pins according to the embodiment of the present application;
fig. 9 is a schematic structural diagram of a charge control device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The charger provided by the embodiment of the present application is described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
In order to facilitate understanding of those skilled in the art, a circuit structure of the charger in the prior art will be briefly described.
Referring to fig. 1, in an example, the charger is a multi-port charger 1A1C, that is, a charger including a Type-a USB port (hereinafter, referred to as "a port") and a Type-C USB port (hereinafter, referred to as "C port"). The port A can only support 5V2A charging, or can support both 5V2A charging and quick charging; the port C supports quick charging. A multiple port charger with both ports supporting fast charging typically stacks two sets of circuits together as shown in fig. 2. This charger includes: the power socket (AC socket in the figure), two voltage converters ( numbers 101 and 102 in the figure), two charging protocol chips (protocol IC1 and protocol IC2 in the figure), and two charging interfaces (Type-A USB interface and Type-C USB interface in the figure). The two voltage converters are used for converting alternating current into direct current; and are all connected with a power socket.
Wherein, Type-A USB interface includes a plurality of terminals or pin, specifically includes: the charging circuit comprises a plurality of first data transmission terminals for data transmission and a voltage output terminal for charging. Specifically, the data transmission terminal of the Type-A USB interface comprises a data pin D + pin and a data pin D-pin in the Type-A USB interface. The voltage output end of the Type-A USB interface is a voltage pin VBUS pin in the Type-A USB interface.
Specifically, a data pin D + and a D-pin in the Type-A USB interface are respectively connected with a protocol IC 1; the voltage pin VBUS in the Type-A USB interface is connected with the secondary side of the voltage converter 101. It should be noted that a first sampling output module is arranged 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 and is used for collecting the voltage and the current at the voltage output end.
Type-C USB interface includes a plurality of terminals or pin, specifically includes: a plurality of data transmission terminals for data transmission, and a voltage output terminal for charging. Specifically, the data end of the Type-C USB interface comprises a data pin D + pin, a D-pin and a CC pin in the Type-C USB interface. The voltage output end of the Type-C USB interface is a voltage pin VBUS pin in the Type-C USB interface.
Specifically, a data pin D + pin, a D-pin and a CC pin in the Type-C USB interface are respectively connected with a protocol IC 2; the voltage pin VBUS in the Type-C USB interface is connected to the secondary side of the voltage converter 102. It should be noted that a second sampling output module is arranged 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 and is used for collecting the voltage and the current at the voltage output end.
The charger has the disadvantages that the number of devices on the charger is too large, the size is large, and the cost is high; both, the two ports cannot dynamically distribute power, and thus cannot effectively utilize the maximum power of the charger.
Based on this, the present application provides a charger, as shown in fig. 2, the charger includes: the power socket 1, the voltage converter 2, the first power converter 3, the second power converter 4, the first charging protocol chip 5, the second charging protocol chip 6, the first charging interface 7 and the second charging interface 8.
The voltage converter 2 is respectively connected with the power socket 1, the first power converter 3 and the second power converter 4, the voltage converter 2 is used for converting alternating current into direct current, and the first power converter 3 and the second power converter 4 are both used for converting direct current power; the first charging protocol chip 5 is respectively connected with the first power converter 3 and the first charging interface 7; the second charging protocol chip 6 is respectively connected with the second power converter 4 and the second charging interface 8; the first charging protocol chip 5 is connected with the second charging protocol chip 6 in a communication mode.
In the example shown in fig. 2, the charger is a multi-port charger 1A1C, that is, a charger including a Type-a USB port (hereinafter, referred to as "a port") and a Type-C USB port (hereinafter, referred to as "C port"). The port A can only support 5V2A charging, or can support both 5V2A charging and quick charging; the port C supports quick charging.
Specifically, the first charging interface corresponds to a Type-a USB interface in the example; the second charging interface corresponds to the Type-C USB interface in the present example.
Here, the first power converter 3 is a BUCK converter circuit (BUCK 1 in the figure), and the second power converter 4 is a BUCK converter circuit (BUCK 2 in the figure).
It should be noted that, the first charging interface 7 includes a plurality of terminals or pins, and specifically includes: the first voltage output end is used for charging, and the first data transmission ends are used for data transmission. Specifically, the first data transmission end of the first charging interface 7 includes a data pin D + pin and a D-pin in the Type-a USB interface. The first voltage output end of the first charging interface 7 is a voltage pin VBUS pin in the Type-a USB interface.
Specifically, a first data transmission end of the first charging interface 7 is connected to the first charging protocol chip 5, that is, a data pin D + pin and a D-pin in the Type-a USB interface are respectively connected to the protocol IC 1; the first voltage output end of the first charging interface 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.
As an optional implementation manner, the charger according to the embodiment of the present application may further include: the first sampling output module is arranged between a first voltage output end of the first charging interface 7 and the first power converter 3, connected with the first charging protocol chip 5 and used for collecting voltage and current of the first voltage output end; the first power converter 3 is connected to a 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. Specifically, the second data end of the second charging interface 8 includes a data pin D + pin, a D-pin, and a CC pin in the Type-C USB interface. And a second voltage output end of the second charging interface 8 is a voltage pin VBUS pin in the Type-C USB interface.
Specifically, the second data transmission end of the second charging interface 8 is connected to the second charging protocol chip 6, that is, the data pin D + pin, the D-pin, the CC1 pin and the CC2 pin in the Type-C USB interface are respectively connected to the protocol IC 2; 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.
As an optional implementation manner, the charger according to the embodiment of the present application may further include: the second sampling output module is arranged between a second voltage output end of the second charging interface 8 and the second power converter 4, is connected with the second charging protocol chip 6 and is used for collecting the voltage and the current of the second voltage output end; the second power converter 4 is connected to a second charging protocol chip 6.
In the embodiment of the present application, the voltage converter 2 is an AC-DC converter, and a fixed voltage, for example, a fixed output 21V, is output through the voltage converter 2. Two agreement ICs, communicate through the direct connection of General-Output Input/Output (GPIO) port between first charging agreement chip 5 and the second charging agreement chip 6, specifically, the I/O pin of first charging agreement chip 5 cascades with the I/O pin of second charging agreement chip 6, and then realizes the real-time mutual transmission of power information between the two mouths, and its implementation is simple, and the transmission content is abundant.
Optionally, the charger of the embodiment of the present application further includes: first temperature sampling module and second temperature sampling module, wherein, first temperature sampling module with second temperature sampling module all is connected with first protocol chip 5 that charges.
According to the charger, the voltage converter outputs the fixed voltage, the first power converter and the second power converter are respectively connected in series with the voltage converter, and the first power converter and the second power converter are respectively controlled by different charging protocol chips, so that a multi-port quick charging function is realized; moreover, the chips of different charging protocols are in direct communication connection, so that real-time mutual transmission of power information between the two ports is realized, intelligent power distribution among different output ports of the multi-port charger is realized, the effective utilization rate of the power of the multi-port charger is improved, and the quick charging experience of a user is improved.
As shown in fig. 3, an embodiment of the present application further provides a charging control method, where the method is applied to a charger, and specifically, the method may be the charger according to the foregoing embodiment, and the method may specifically include:
301, acquiring a first load-pulling power of a first device under the condition that a first charging interface and a second charging interface are respectively connected with the first device and a second device and are subjected to quick charging;
it should be noted that, because the first charging protocol chip 5 and the second charging protocol chip 6 can be in communication connection, the first charging protocol chip 5 is connected to the first charging interface 7, and the second charging protocol chip 6 is connected to the second charging interface 8, the second charging interface 8 can obtain the first pull-load power of the first device connected to the first charging interface 7.
Here, the pull-load power may be understood as power that the charger needs to output to the electronic device when the electronic device is charged by the charger.
For example, if the first electronic device connected to the first charging interface is not a fast-charging device, it is only necessary to pull the power of the charger 5V2A, i.e., 10W, from the first charging interface.
It can be understood that, through the execution of this step, the maximum power allowed to be output by the second charging interface is no longer fixed power, but may be intelligently adjusted according to the pull-load power of other charging interfaces.
It should be noted that the main body of the method execution in the embodiment of the present application is the second charging protocol chip.
According to the charging control method, under the condition that the first charging interface and the second charging interface are respectively connected with the first equipment and the second equipment and rapid charging is carried out, the first load power of the first equipment is obtained; under the condition that the first load power meets the preset condition, instruction information is sent to the second charging interface and used for indicating that the output power of the second charging interface is adjusted to a target value, so that intelligent distribution of power of the multi-interface charger can be achieved, the effective utilization rate of the power of the multi-interface charger is improved, and quick charging experience of a user is improved.
As an optional implementation manner, the method step 101 in the embodiment of the present application may specifically include:
under the condition that the first load pulling power is continuously lower than a first threshold value within a preset time, sending first instruction information to the second charging interface, wherein the first instruction information is used for instructing to increase the output power of the second charging interface to a first target value;
here, the first pull-load power is continuously lower than the first threshold value within the preset time, which indicates that the electric quantity of the first device exceeds the preset threshold value, it can be understood that the first device is charged to the end of charging, the first device is charged soon to be completed, and it is not necessary 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 accelerate the charging process of the second device, first instruction information for instructing to increase the output power of the second charging interface to the first target value is sent.
Optionally, the first target value is determined by the total power of the charger and the first pull-up power, and may specifically be a difference between the total power of the charger and the first pull-up power.
Or sending second instruction information to the second charging interface under the condition that the drop amount of the first load power in unit time exceeds a second threshold, wherein the second instruction information is used for indicating that the output power of the second charging interface is increased to a second target value;
it should be noted that, when the device is charged, the device may generate heat, and when the temperature of the device reaches a preset temperature, the load pulling power may be automatically reduced, and then, the temperature may be restored to normal by the cooling means, and the load pulling power may return to the original level. Or, in a scenario such as making a call, the excessive load power of the device may affect the call quality, and generally the load power is reduced, and after the call is ended, the load power returns to the original level.
Here, the drop amount of the first load pulling power in unit time exceeds a second threshold, which indicates that the first equipment temperature reaches a preset temperature, and the first load pulling power automatically decreases; or, the first device is in a call state, the first pull-load power is reduced, and in order to improve the effective utilization rate of the charger power and accelerate the charging process of the second device, second instruction information for instructing to increase the output power of the second charging interface to a second target value is sent.
Optionally, the second target value is determined by the total power of the charger and the first pull-load power, and may specifically be a difference between the total power of the charger and the first pull-load power.
Or, when the first pull-load power is greater than the first output power, sending third instruction information to the second charging interface, where the third instruction information is used to instruct to reduce the output power of the second charging interface to a third target value.
Here, the first pull-load power is larger than the first output power, which means that the current electric quantity of the first device is low, and it can be understood that the first device needs to allocate more power to itself when it is charged to the initial stage of charging, and at this time, third instruction information instructing to reduce the output power of the second charging interface to a third target value is transmitted in order to accelerate the charging process of the first device.
Optionally, the third target value is determined by the total power of the charger and the first pull-up power, and may specifically be a difference between the total power of the charger and the first pull-up power.
Here, in order to enhance the fast charging effect and further enhance the fast charging experience of the user, as an optional implementation manner, obtaining the target value based on a difference operation between the total power of the charger and the first pull-load power (where the target value generally refers to any one of the first target value, the second target value, and the third target value) may include:
performing difference operation on the total power of the charger and the first load pulling power to obtain intermediate power;
and if the quotient of the intermediate power and the basic step length A of the power adjustment is rounded downwards to obtain B, and B is greater than 1, the target value is B × A.
Here, the power adjustment basic step size a is a preset value. In this step, the quotient of the intermediate power and the basic step length a of the power adjustment is rounded downward to obtain B, and B is greater than 1, which indicates that the charger outputs surplus power through the first charging interface, that is, the first pull-load power is removed, and a lot of surplus power is not utilized.
If the quotient of the intermediate power and the basic step length a of the power adjustment is rounded down to obtain B, and B is smaller than 1, the maximum power allowed to be output by the second charging interface maintains the original power, that is, the maximum power allowed to be output by the second charging interface is not processed.
As an optional implementation manner, the second charging interface is a master interface, and the first charging interface is a slave interface; step 301 of the embodiment of the present application, acquiring the first pull load power of the first device, may include:
in a first mode, the second charging interface acquires first load power of the first device every other first time;
here, since 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 in communication connection, specifically, a first input/output pin of the first charging interface 7 and a second input/output pin of the second charging interface 8 are cascaded, where the first input/output pin and the second input/output pin are both GPIO interfaces, for example, the first input/output pin and the second input/output pin are RT pins. Different charging protocol chips are communicated through the cascade connection of GPIO ports, namely, the real-time power is transmitted by utilizing single-wire communication.
Specifically, the step of obtaining the first pull-load power of the first device may include:
1) under the condition that the level state of a second input/output pin is a first target state, acquiring first level information of the second input/output pin, wherein the first level information comprises: a level state, a corresponding time when the level state changes, and a duration for which the level state is kept unchanged;
here, the level state of the second input-output pin includes two states of a high level and a low level. Here, the default case is high.
Note that the first target state is low. Here, the first target state is triggered by the second charging protocol chip. Specifically, when the second charging protocol chip needs to transmit power information of the second charging interface, the second input/output pin of the second charging protocol chip is pulled to the first target state, for example, pulled from a default high level to a default low level. Since the first input-output pin is cascaded with the second input-output pin, the level state of the first input-output pin becomes the first target state.
2) Analyzing the first level information according to a preset communication time sequence and a preset transmission rule to obtain a first communication instruction and first communication data, wherein the first communication instruction is used for indicating the level state in the first level information in a corresponding instruction transmission time period;
here, the preset communication sequence is shown in fig. 4, in which the communication sequence is a level change that occurs in the communication line in time series, and the meaning of these changes to the communication is called a sequence.
As shown in fig. 4, communication information such as a communication command and communication data is transmitted at a low level in a predetermined communication timing. Specifically, what information each low level period is used to indicate in chronological order and the duration (i.e., time specification) of each level period are preset, and the specific time specification is shown in table 1 below:
TABLE 1
The communication timing in fig. 4 is specifically explained with reference to the time specification of the table above. Firstly, starting from the moment that an input/output pin of a first charging protocol chip is pulled to be at a low level, lasting the low level for 9ms, and corresponding to Start in a communication time sequence, wherein the low level is used for a communication test; thereafter, it becomes high level 3msT _ cap; then, the level is changed to be low and lasts for 6ms, and the ACK corresponds to ACK in a communication time sequence, and the ACK is fed back to an input/output pin of the second charging protocol chip and indicates that the first charging protocol chip and the second charging protocol chip can normally communicate; then, it becomes high level 9msT _ wait; and then entering formal information transmission.
I.e., high level 9msT _ wait, the communication command is transmitted with the level state and the duration corresponding to the level state, and then high level 9msT _ wait, after which the communication data corresponding to the communication command is transmitted with the level state and the duration corresponding to the level state.
In an example, as shown in fig. 4, after the high level 9msT _ wait is changed to the low level 3ms, the high level 3ms T _ cap and the low level 3ms, the communication command is illustrated as "00", which indicates a power transmission command of the a port (here, corresponding to the Type-a USB interface in fig. 2), that is, the communication data to be transmitted later is the power of the a port transmitted by the a port. After the signal level is changed to the high level 9ms T _ wait, the signal level is changed to the low level of 3ms, the high level 3ms T _ cap, the low level of 6ms, the high level 3ms T _ cap, and the low level of 6ms, a communication command is described as "0011", and specifically, referring to table 2 below, the power of the port a is 10W.
The following table 2 shows a specific communication information description:
TABLE 2
3) And under the condition that the first communication instruction is a first sending instruction for obtaining power through a first charging interface, determining that the first communication data is data representing power, and determining a power value corresponding to the first communication data as first pull-load power of the first device.
In this step, the communication information is represented by a first preset number of bits, and the value "0" or "1" of the bit is represented by a low level and a duration that keeps the low level unchanged. For example, a 3ms low is used to indicate "0" and a 6ms low is used to indicate "1".
In addition, the communication data is also represented by a second predetermined number of bits. The value "0" or "1" of the bit is represented by a low level and a duration that keeps the low level unchanged.
As is known, communication is a mutual interaction process between two communication parties, and the above embodiment corresponds to a process in which the second charging interface acquires real-time power of the first charging interface, and the second charging protocol chip adjusts output power of the second charging interface side according to the acquired real-time power. Correspondingly, the second charging interface can also send the real-time power of the second charging interface side to inform the first charging protocol chip, and when power adjustment is needed, the first charging protocol chip can also adjust the output power of the first charging interface side according to the power of the second charging interface side.
Step 301 of the embodiment of the present application, acquiring the first pull load power of the first device, may include:
in a second mode, the second charging interface receives the first load pulling power of the first device, which is sent by the first charging interface, when the first load pulling power of the first charging device changes.
It should be noted that, when the first pull-load power of the first charging device changes and does not reach the first duration, the first charging protocol chip may actively send information, that is, the first pull-load power, to the second charging protocol chip, so that the second charging protocol chip can obtain the second pull-load power of the first device in time.
Specifically, the first charging interface actively sends the first load power of the first device to the second charging interface, which may include:
carrying out digital processing on the first load pulling power according to a preset rule to obtain second communication data for representing the first load pulling power;
here, the second communication data characterizing the first pull-load power is represented by a number of bits.
Generating a second sending instruction, and controlling the level state of the first input/output pin to be a second target state based on the second sending instruction;
here, the second target state is a low level state. The first input/output pin is in a high level state by default. Here, the first input/output pin is triggered to pull low by the second send instruction.
And obtaining second level information carrying the second communication data and a second sending instruction according to a preset communication time sequence and a transmission rule, and outputting the second level information to the second input/output pin through the first input/output pin.
In this step, the preset communication timing and the transmission rule have already been described in the foregoing parts, i.e., fig. 4, table 1, and table 2, and are not described again here.
Specifically, after the Start, the ACK, and the high level 9msT _ wait have elapsed, the second transmission command is output to the second input/output pin in a level state and a duration corresponding to the level state, then the second transmission command is changed to the high level 9msT _ wait, and then the second communication data is output to the second input/output pin in a level state and a duration corresponding to the level state according to the communication timing and the transmission rule set in advance.
In order to avoid unlimited load on the charger by the second device and ensure normal operation of the charger, as an optional implementation manner, after step 302 of the method in this embodiment of the present application, the method may further include:
and sending the adjusted power to the second equipment through the second charging interface.
It should be noted that, in order to avoid that the temperature of the charger itself is too high in the process of charging different electronic devices, the method according to the embodiment of the present application may further include: temperature information of the charger is acquired.
Here, referring to fig. 2, the temperature of the charger itself may be collected by providing a first temperature sampling module and a second temperature sampling module on the charger.
Next, referring to fig. 2, several communication scenarios corresponding to the single-wire communication implemented by the first protocol chip and the second protocol chip through the cascade connection of the input and output pins are specifically described.
As shown in fig. 2, the first charging protocol chip is connected to the first charging interface, that is, the a interface; the second charging protocol chip is connected with the second charging interface, namely, the C interface.
Scene one
The port a sends its own power information to the port C at regular time, for example, the port a sends information 3 to the port C, as shown in fig. 5, the communication process is:
A(Start)-＞C(ACK)-＞A(Command＝00)-＞A(Data＝0x03)
scene two
The port a acquires power information of the port C at regular time, and the port a acquires port C information 3 at regular time, as shown in fig. 6, the communication process is:
A(Start)-＞C(ACK)-＞A(Command＝01)-＞C(Data＝0x03)
scene three
The power information of port C changes, port C actively sends information to port a, and port C sends information 3 to port a, as shown in fig. 7, the communication process is:
C(Start)-＞A(ACK)-＞C(Command＝01)-＞C(Data＝0x03)
scene four
The port a sends temperature information to the port C at regular time, and the port a sends temperature information to the port C, as shown in fig. 8, the communication process is as follows:
A(Start)-＞C(ACK)-＞A(Command＝10)-＞A(Data＝0x03)。
the communication between the scene a and the scene C is performed by using the scene a as a master interface and the scene C as a slave interface. Of course, the port C may be a master port, and the port a may be a slave port, which is not limited herein.
Next, with reference to fig. 2, a specific implementation of the charging control method according to the embodiment of the present application, that is, implementation steps of power distribution, will be specifically described.
Firstly, the mobile phone is inserted into the port A, and then the mobile phone is inserted into the port C (the total power of the charger is 60W, the A, C ports support quick charging, and when the charger is inserted, the power for providing the port A is 30W and the power for providing the port C is 30W by default)
S1, after the port A of the charger is inserted into the mobile phone, the port A establishes quick charging communication with the mobile phone at the port A, and the port A provides 60W of charging power for the mobile phone at the port A;
s2, the charger detects that the mobile phone is inserted into the port C, the port C and the mobile phone at the port C carry out quick charging communication, the port C is identified to be the quick charging mobile phone, and the charger resets the charging process of the port A to return the port A to the initial state;
at this time, the charger provides maximum power of 30W for both port A and port C.
Here, in conjunction with fig. 2, specifically, the first charging protocol chip of the charger controls the BUCK1 circuit not to output a voltage to the Vbus pin of the a-port, i.e., resets the charging process of the a-port to return the a-port to an initial state.
S3, the mobile phones at the port A and the port C are respectively and quickly charged by 30W; at this time, the port A continuously sends information to the port C to inform the port C of the power of the port A or continuously obtains the real-time power of the port C;
and S4 and A, C ports adjust the maximum output power of the user in real time according to the pulling load condition of the other party.
Here, dynamic allocation of power will be described.
1. When the electronic device is inserted, the default A, C ports of the multi-port charger supply power to the outside at the maximum of 30W.
2. A, C continuously detecting the load condition of the port, for example, more than 10 minutes, the port a detects that the load condition of the electronic device is within 50% of the maximum power, at this time, the port a informs the charging IC at the port C, the port a has surplus output power, and after the charging IC at the port C obtains the power information of the port a, the port C is adjusted to provide maximum external power and informs the electronic device at the port C to perform higher power charging.
3. When the port A detects that the electronic equipment at the port A exits the quick charging, and only the ordinary 5v2A charging is carried out, the port A informs the port C that the output power of the port A is surplus at the moment, and after the charging IC at the port C side obtains the power information of the port A, the port C is adjusted to provide the maximum external power, and the electronic equipment at the port C is informed to carry out the charging with higher power.
It should be noted that, after the electronic device at one fast charging port is fully charged, the charger provides full power 60W to another charging port.
In addition, in an example, when the A, C ports perform fast charging simultaneously, as shown in fig. 2, the port a has the remaining ports CC1 and CC2 for temperature detection, the port C is occupied because communication of the CC1 and the CC2 to be performed with the fast charging protocol, no redundant port is used for temperature detection, the port a continuously transmits its own temperature information to the port C, and the port C performs over-temperature protection according to the temperature information.
According to the charging control method, under the condition that the first charging interface and the second charging interface are respectively connected with the first equipment and the second equipment and rapid charging is carried out, the first load power of the first equipment is obtained; under the condition that the first load power meets the preset condition, instruction information is sent to the second charging interface and used for indicating that the output power of the second charging interface is adjusted to a target value, so that intelligent distribution of power of the multi-interface charger can be achieved, the effective utilization rate of the power of the multi-interface charger is improved, and quick charging experience of a user is improved.
It should be noted that, in the charging control method provided in the embodiment of the present application, the execution main body may be a charging control device, or a control module in the charging control device for executing a loading charging control method. In the embodiment of the present application, a charging control method executed by a charging control device is taken as an example to describe the charging control method provided in the embodiment of the present application.
As shown in fig. 9, an embodiment of the present application further provides a charging control device 900, which is applied to a charger, where the charger includes at least two charging interfaces and at least two charging protocol chips, each charging interface is connected to a corresponding charging protocol chip, and the at least two charging protocol chips are in communication connection with each other; the device comprises:
an obtaining module 901, configured to obtain a first load power of a first device when a first charging interface and a second charging interface are connected to the first device and a second device, respectively, and perform fast charging;
a sending module 902, configured to send instruction information to the second charging interface when the first pull-load power meets a preset condition, where the instruction information is used to instruct to adjust the output power of the second charging interface to a target value.
Optionally, the sending module 902 includes:
the first sending unit is used for sending first instruction information to the second charging interface under the condition that the first pull-load power is continuously lower than a first threshold value within a preset time, wherein the first instruction information is used for instructing to increase the output power of the second charging interface to a first target value; or,
the second sending unit is used for sending second instruction information to the second charging interface under the condition that the drop amount of the first load power in unit time exceeds a second threshold value, wherein the second instruction information is used for indicating that the output power of the second charging interface is increased to a second target value; or,
a third sending unit, configured to send third instruction information to the second charging interface when the first pull-load power is greater than the first output power, where the third instruction information is used to instruct to reduce the output power of the second charging interface to a third target value.
Optionally, the second charging interface is a master interface, and the first charging interface is a slave interface; the obtaining module 901 is specifically configured to:
the second charging interface acquires first load pulling power of the first equipment at intervals of a first time length; or,
and under the condition that the first load pulling power of the first charging device is changed, the second charging interface receives the first load pulling power of the first device, which is 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 device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The charge control device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The charging control device provided in the embodiment of the present application can implement each process implemented by the method embodiments of fig. 1 to 8, and is not described here again to avoid repetition.
According to the charging control device, the acquisition module is used for respectively connecting the first charging interface and the second charging interface with the first equipment and the second equipment, and acquiring the first load-pulling power of the first equipment under the condition of quick charging; the sending module sends instruction information to the second charging interface under the condition that the first pulling load power meets the preset condition, the instruction information is used for indicating that the output power of the second charging interface is adjusted to a target value, therefore, the intelligent distribution of the power of the multi-port charger can be achieved, the effective utilization rate of the power of the multi-port charger is improved, and the quick charging experience of a user is improved.
Optionally, an embodiment of the present application further provides a charger, including the charging control device according to the above embodiment.
Optionally, an embodiment of the present application further provides a charger, which includes a processor, a memory, and a program or an instruction stored in the memory and capable of running on the processor, and when the program or the instruction is executed by the processor, the process of the charging control method embodiment is implemented, and the same technical effect can be achieved, and details are not repeated here to avoid repetition.
It should be noted that the charger in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
The 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 the instruction is executed by a processor, the program or the instruction implements each process of the above charging control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the charger described in the above embodiments. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The 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 execute a program or an instruction to implement each process of the above charging control method embodiment, and can achieve the same technical effect, and the details are not repeated here to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. A charger, comprising: the power supply comprises 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 charging interface and a second charging interface;
the voltage converter is respectively connected with the power socket, the first power converter and the second power converter, the voltage converter is used for converting alternating current into direct current, and the first power converter and the second power converter are used for converting direct current power;
the first charging protocol chip is respectively connected with the first power converter and the first charging interface;
the second charging protocol chip is respectively connected with the second power converter and the second charging interface;
the first charging protocol chip is in communication connection with the second charging protocol chip.
2. The charger of claim 1, wherein the first charging interface comprises:
the first voltage output end is used for charging, and a plurality of first data transmission ends are used for data transmission;
wherein the first voltage output terminal is connected to the first power converter; the first data transmission end is connected with the first charging protocol chip.
3. The charger of claim 2, further comprising:
the first sampling output module is arranged between the first voltage output end and the first power converter;
the first sampling output module is connected with the first charging protocol chip and used for sampling the voltage and the current of the first voltage output end.
4. The charger of claim 1, wherein the second charging interface comprises:
the second voltage output end is used for charging, and a plurality of second data transmission ends are used for data transmission;
wherein the second voltage output terminal is connected to the second power converter; and the second data transmission end is connected with the second charging protocol chip.
5. The charger of claim 4, further comprising:
the second sampling output module is arranged between the second voltage output end and the second power converter;
the second sampling output module is connected with the second charging protocol chip and used for collecting the voltage and the current of the second voltage output end.
6. A charging control method applied to the charger according to any one of claims 1 to 5, comprising:
under the condition that a first charging interface and a second charging interface are respectively connected with first equipment and second equipment and carry out quick charging, acquiring first load-pulling power of the first equipment;
and sending instruction information to the second charging interface under the condition that the first load power meets a preset condition, wherein the instruction information is used for instructing to adjust the output power of the second charging interface to a target value.
7. The method of claim 6, wherein the sending a command message to the second charging interface when the first pull-load power meets a preset condition comprises:
under the condition that the first load pulling power is continuously lower than a first threshold value within a preset time, sending first instruction information to the second charging interface, wherein the first instruction information is used for instructing to increase the output power of the second charging interface to a first target value;
or sending second instruction information to the second charging interface under the condition that the drop amount of the first load power in unit time exceeds a second threshold, wherein the second instruction information is used for indicating that the output power of the second charging interface is increased to a second target value;
or, when the first pull-load power is greater than the first output power, sending third instruction information to the second charging interface, where the third instruction information is used to instruct to reduce the output power of the second charging interface to a third target value.
8. The method of claim 6, wherein the second charging interface is a master interface, and the first charging interface is a slave interface;
the obtaining of the first pull-load power of the first device includes:
the second charging interface acquires first load pulling power of the first equipment at intervals of a first time length; or,
and under the condition that the first load pulling power of the first charging device is changed, the second charging interface receives the first load pulling power of the first device, which is sent by the first charging interface.
9. A charge control device, characterized by comprising:
the acquisition module is used for acquiring a first load-pulling power of the first equipment under the condition that the first charging interface and the second charging interface are respectively connected with the first equipment and the second equipment and carry out quick charging;
the sending module is used for sending instruction information to the second charging interface under the condition that the first load power meets a preset condition, wherein the instruction information is used for instructing to adjust the output power of the second charging interface to a target value.
10. The charge control device according to claim 9, wherein the transmission module includes:
the first sending unit is used for sending first instruction information to the second charging interface under the condition that the first pull-load power is continuously lower than a first threshold value within a preset time, wherein the first instruction information is used for instructing to increase the output power of the second charging interface to a first target value; or,
the second sending unit is used for sending second instruction information to the second charging interface under the condition that the drop amount of the first load power in unit time exceeds a second threshold value, wherein the second instruction information is used for indicating that the output power of the second charging interface is increased to a second target value; or,
a third sending unit, configured to send third instruction information to the second charging interface when the first pull-load power is greater than the first output power, where the third instruction information is used to instruct to reduce the output power of the second charging interface to a third target value.
11. The charge control device according to claim 9, wherein the second charging interface is a master interface, and the first charging interface is a slave interface; the acquisition module is specifically configured to:
the second charging interface acquires first load pulling power of the first equipment at intervals of a first time length; or,
and under the condition that the first load pulling power of the first charging device is changed, the second charging interface receives the first load pulling power of the first device, which is sent by the first charging interface.
12. A charger, comprising: the charge control device according to any one of claims 9 to 11.
13. A charger, characterized by comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, which program or instructions, when executed by the processor, implement the steps of the charging control method according to any one of claims 6 to 8.
14. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the charging control method according to any one of claims 6 to 8.
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| PCT/CN2021/121256 WO2022068802A1 (en) | 2020-09-29 | 2021-09-28 | Charger, and charging control method and apparatus |
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| WO2022068802A1 (en) * | 2020-09-29 | 2022-04-07 | 维沃移动通信有限公司 | Charger, and charging control method and apparatus |
| CN112886656A (en) * | 2021-01-15 | 2021-06-01 | 维沃移动通信有限公司 | Conversion device and charging system |
| CN112886656B (en) * | 2021-01-15 | 2024-06-11 | 维沃移动通信有限公司 | Converters and charging systems |
| CN112910038A (en) * | 2021-01-22 | 2021-06-04 | 维沃移动通信有限公司 | Power conversion device and method and electronic equipment |
| CN113193620A (en) * | 2021-04-26 | 2021-07-30 | 维沃移动通信有限公司 | Charging power adjusting method and device and electronic equipment |
| CN113193620B (en) * | 2021-04-26 | 2024-05-17 | 维沃移动通信有限公司 | Charging power adjustment method and device and electronic equipment |
| CN115514033A (en) * | 2021-06-22 | 2022-12-23 | 安克创新科技股份有限公司 | Charging method, power supply apparatus, and computer-readable storage medium |
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| WO2022068802A1 (en) | 2022-04-07 |
| CN112202222B (en) | 2023-03-14 |
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