CN112736996A - Charging structure, charging control method and electronic device - Google Patents
Charging structure, charging control method and electronic device Download PDFInfo
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Abstract
The disclosure relates to a charging structure comprising n parallel charging control modules, n > 1; the first end of each charging control module is connected to the input end, and the second end of each charging control module is connected to the battery; the charging control module is used for amplifying the current of the charging signal input by the input end and reducing the voltage of the charging signal. According to the embodiment of the present disclosure, by connecting n charging control modules in parallel between the input terminal and the battery, the n charging control modules can shunt the current of the charging signal. In view of the above, for only setting up a control module that charges between input and battery, can reduce the electric current of passing control module that charges to reduce the control module that charges and adjust the power loss of signal in-process, and then avoid every control module that charges high temperature, be favorable to being applied to the signal that charges to more powerful with the structure of charging and adjust.
Description
Technical Field
The present disclosure relates to the field of charging technologies, and in particular, to a charging structure, a charging control method, and an electronic device.
Background
In the related art, when a battery voltage is high in charging a battery in a terminal such as a mobile phone, a charging control module (which may be referred to as a switch charge or a charge) adjusts a charging signal to ensure that the battery can be fully charged.
Because the charging control module has power loss in the process of adjusting the charging signal, and the power loss is embodied in a heat dissipation mode, the higher the power of the charging signal is, the more the heat dissipation of the charging control module is, the excessive heat dissipation can cause the temperature rise of the charging control module, and the performance of an electrical device in the charging control module is easily influenced. Therefore, in order to avoid excessive heat dissipation, the current charging control module is only suitable for scenes with small charging signal power.
Disclosure of Invention
The present disclosure provides a charging structure, a charging control method, and an electronic device to solve the disadvantages of the related art.
According to a first aspect of the embodiments of the present disclosure, there is provided a charging structure, including n charging control modules connected in parallel, n > 1;
wherein a first end of each of the charging control modules is connected to an input terminal, and a second end of each of the charging control modules is connected to a battery;
the charging control module is used for amplifying the current of the charging signal input by the input end and reducing the voltage of the charging signal.
Optionally, the charging structure further comprises:
an i1 connection structure for connecting a first terminal of the i charging control module and the input terminal;
an i2 th connection structure for connecting a second end of the i charging control module and the battery;
the resistance adjusting module is connected to the i1 connection structure and/or the i2 connection structure and is used for adjusting the resistance value of the i1 connection structure and/or the resistance value of the i2 connection structure;
wherein i is more than or equal to 1 and less than or equal to n, and i takes n values from 1 to n.
Optionally, the charging structure further comprises a series resistor and a parallel resistor;
wherein the resistance adjustment module adjusts the resistance value of the i1 connection structure by connecting the series resistor in series with the i1 connection structure and/or connecting the parallel resistor in parallel with the i1 connection structure; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connection structure by connecting the series resistor in series with the i2 th connection structure and/or connecting the parallel resistor in parallel with the i2 th connection structure.
Optionally, an i1 variable resistor is arranged on the i1 connection structure, and/or an i2 variable resistor is arranged on the i2 connection structure;
wherein the resistance adjusting module adjusts the resistance value of the i1 th connecting structure by adjusting the i1 th variable resistor; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connecting structure by adjusting the i2 th variable resistor.
Optionally, the charging structure further comprises:
the environment detection module is connected with the resistance regulation module and used for detecting the environment information of the environment where the ith charging control module is located and sending a control signal to the resistance regulation module according to the environment information;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
Optionally, the charging structure further comprises:
the instruction receiving module is connected with the resistance adjusting module and used for receiving an instruction input by a user and sending a control signal to the resistance adjusting module according to the instruction;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
Optionally, n is 2.
According to a second aspect of the embodiments of the present disclosure, there is provided a charge control method applied to a terminal, the terminal including n charge control modules connected in parallel, a first terminal of each of the charge control modules being connected to an input terminal, a second terminal of each of the charge control modules being connected to a battery, the charge control modules being configured to amplify a current of a charge signal input from the input terminal and reduce a voltage of the charge signal, an i1 connection structure for connecting the first terminal of the i charge control module and the input terminal, an i2 connection structure for connecting the second terminal of the i charge control module and the battery, wherein i is greater than or equal to 1 and less than or equal to n, n is greater than 1, and i takes n values from 1 to n;
the method comprises the following steps:
and adjusting the resistance value of the i1 th connection structure and/or the resistance value of the i2 th connection structure according to the received control signal.
Optionally, the method further comprises:
detecting environmental information of the environment where the ith charging control module is located before adjusting the resistance value of the ith 1 connection structure and/or adjusting the resistance value of the ith 2 connection structure according to the received control signal;
and generating the control signal according to the environment information.
According to a third aspect of the embodiments of the present disclosure, there is provided an electronic device including the charging structure according to any one of the embodiments.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
it can be seen from the above embodiments that, by connecting n charging control modules in parallel between the input terminal and the battery, the n charging control modules can shunt the current of the charging signal. In view of the above, for only setting up a control module that charges between input and battery, can reduce the electric current of passing control module that charges to reduce the control module that charges and adjust the power loss of signal in-process, and then avoid every control module that charges high temperature, be favorable to being applied to the signal that charges to more powerful with the structure of charging and adjust.
Further, the resistance value of the i1 connection structure can be adjusted by the resistance adjusting module, and/or the resistance value of the i2 connection structure can be adjusted, so that different currents can be distributed to different charging control modules, and the distributed currents can be adapted to the environment where the charging control modules are located.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram illustrating a charging structure according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram illustrating a charging control module in accordance with an embodiment of the present disclosure.
Fig. 3 is a diagram illustrating states of switches in a charging control module during a receive period, according to an embodiment of the present disclosure.
Fig. 4 is an equivalent circuit diagram of fig. 3.
Fig. 5 is a diagram illustrating states of switches in the charging control module during a release period, according to an embodiment of the present disclosure.
Fig. 6 is an equivalent circuit diagram of fig. 5.
Fig. 7 is a resistance value diagram of a connection structure in a charging structure according to an embodiment of the disclosure.
Fig. 7A is a schematic diagram illustrating a series resistance in series with a connection structure in accordance with an embodiment of the present disclosure.
Fig. 7B is a schematic diagram illustrating a parallel resistance in parallel with a connection structure according to an embodiment of the disclosure.
Fig. 7C is a schematic diagram illustrating an environment detection module, according to an embodiment of the present disclosure.
Fig. 8 is a schematic flow chart diagram illustrating a charge control method according to an embodiment of the present disclosure.
Fig. 9 is a schematic flow chart diagram illustrating another charge control method according to an embodiment of the present disclosure.
Fig. 10 is a schematic block diagram illustrating an electronic device in accordance with an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic diagram illustrating a charging structure according to an embodiment of the present disclosure. The charging structure shown in this embodiment may be applicable to electronic devices such as a terminal and a server, where the terminal includes but is not limited to a mobile phone, a tablet computer, and a wearable device, the charging structure may include n charging control modules connected in parallel, and n > 1.
It should be noted that, the structure for charging in the terminal may include other structures besides the charging structure, for example, may further include an amplifying module specially used for amplifying the charging signal, the amplifying module provides a constant current for the battery by amplifying the current of the charging signal, the voltage of the battery gradually increases in the constant current charging process, after the voltage of the battery increases to a set threshold, the voltage of the battery may be kept unchanged, and then the current of the charging signal is adjusted in the constant voltage charging process, so that the current input to the battery is not too large, so as to fully charge the battery.
The current of the charging signal can be adjusted in the constant-voltage charging process and can be achieved through various charging control modules, the various charging control modules can comprise a main charging control module and a slave charging control module, the main charging control module mainly adjusts the charging signal based on electromagnetic conversion, the slave charging control module adjusts the charging signal by amplifying current and reducing voltage, the slave charging control module is started at the finishing stage of the constant-current charging process and the starting stage of the constant-voltage charging process, and the main charging module is started at the rest stage of the constant-voltage charging process. The charging control module in the embodiment shown in fig. 1 may specifically be a slave charging control module.
In the related art, the slave charging control module is an independent charging module arranged between the input end of the charging signal and the battery, when the current of the charging signal is large, the charging control module is excessively radiated, the charging control module is heated due to excessive radiation, and the performance of an electrical device in the charging control module is easily influenced. Therefore, in order to avoid excessive heat dissipation, the current charging control module is only suitable for scenes with small charging signal power.
As shown in fig. 1, where n is mainly shown as 2, a specific value of n may be set as needed, and the charging structure in this embodiment may include n charging control modules connected in parallel;
wherein a first end of each of the charging control modules is connected to an input terminal, and a second end of each of the charging control modules is connected to a battery;
the charging control module is used for amplifying the current of the charging signal input by the input end and reducing the voltage of the charging signal.
In one embodiment, by arranging n charging control modules in parallel between the input terminal and the battery, the n charging control modules can shunt the current of the charging signal, for example, the resistance of the branch in which each charging control module is located is the same, and then the current passing through each charging control module is 1/n of the total current of the charging signal. In view of the above, for only setting up a control module that charges between input and battery, can reduce the electric current of passing control module that charges to reduce the control module that charges and adjust the power loss of signal in-process, and then avoid every control module that charges high temperature, be favorable to being applied to the signal that charges to more powerful with the structure of charging and adjust.
Fig. 2 is a schematic diagram illustrating a charging control module in accordance with an embodiment of the present disclosure.
As shown in fig. 2, the charging control module includes a first switching unit S1, a second switching unit S2, a third switching unit S3, a fourth switching unit S4, and a first capacitor C1 and a second capacitor C2;
wherein a first terminal of the first switching unit S1 is connected to the input terminal, and a second terminal of the first switching unit S1 is connected to a first terminal of the first capacitor C1;
a first terminal of the second switching unit S2 is connected to the input terminal, and a second terminal of the second switching unit S2 is connected to a second terminal of the first capacitor C1;
a first terminal of the third switching unit S3 is connected to the first terminal of the first capacitor C1, and a second terminal of the third switching unit S3 is grounded;
a first terminal of the fourth switching unit S4 is connected to an output terminal, and a second terminal of the fourth switching unit S4 is connected to a first terminal of the second capacitor C2;
a first end of the second capacitor C2 is connected to an output end, and a second end of the second capacitor C2 is grounded;
the output end is connected with the battery;
wherein the second and third switching units S2 and S3 are turned off when the first and fourth switching units S1 and S4 are closed, and the first and second switching units S1 and S2 are turned off when the third and fourth switching units S3 and S4 are closed.
It should be noted that the switch units may be single switch units as shown in fig. 2, or may be arranged such that a plurality of sub-switch units are connected in parallel as needed, for example, the first switch unit S1 may include two sub-switch units connected in parallel.
According to an embodiment of the disclosure, the charging signal may be received through the input terminal, for example, the voltage of the charging signal is VinCurrent is Iin。
Fig. 3 is a diagram illustrating states of switches in a charging control module during a receive period, according to an embodiment of the present disclosure. Fig. 4 is an equivalent circuit diagram of fig. 3.
As shown in fig. 3, in the charging control module, when the first switching unit S1 and the fourth switching unit S4 are closed, the second switching unit S2 and the third switching unit S3 are opened, and an equivalent circuit diagram of this case is shown in fig. 4, wherein the first capacitor C1 and the second capacitor C2 are connected in series, and the second capacitor C2 is grounded, and the second capacitor C1 and the second capacitor C2 can couple the input voltage V from the input terminalinVoltage division is carried out, and since the output end is positioned between the first capacitor C1 and the second capacitor C2, and the second end of the second capacitor is grounded, the output electricity of the output end isPressure VoutIt is equal to the voltage of the second capacitor C2.
Fig. 5 is a diagram illustrating states of switches in the charging control module during a release period, according to an embodiment of the present disclosure. Fig. 6 is an equivalent circuit diagram of fig. 5.
As shown in fig. 5, in the charging control module, when the third switching unit S3 and the fourth switching unit S4 are closed, the first switching unit S1 and the second switching unit S2 are opened, and an equivalent circuit diagram in this case is shown in fig. 6, in which the first capacitor C1 and the second capacitor C2 are connected in parallel, and the first capacitor C1 and the second capacitor C2 are grounded, respectively, in which case the first capacitor C1 and the second capacitor C2 output electrical signals to the output terminal.
In one embodiment, the first capacitor C1 and the second capacitor C2 may not be equal, for example, the ratio of the first capacitor C1 to the second capacitor C2 is 1:2, and then after voltage division, the voltage across the second capacitor is 2/3 times the input voltage VinI.e. the output voltage VoutInput voltage V equal to 2/3 timesinAnd if the charging control module has no loss in the amplification process of the electric signal, outputting the voltage V according to the law of conservation of energyoutMultiplied by the output current IoutIs equal to the input voltage VinMultiplied by the input current IinDue to the output voltage VoutInput voltage V equal to 2/3 timesinSo as to output a current IoutInput current I equal to 3/2 timesin。
In one embodiment, the first capacitor C1 and the second capacitor C2 may be equal, for example, the ratio of the first capacitor C1 to the second capacitor C2 is 1:1, and then after voltage division, the voltage across the second capacitor is 1/2 times the input voltage VinI.e. the output voltage VoutInput voltage V equal to 1/2 timesinAnd if the charging control module has no loss in the amplification process of the electric signal, outputting the voltage V according to the law of conservation of energyoutMultiplied by the output current IoutIs equal to the input voltage VinMultiplied by the input current IinDue to the output voltage VoutInput voltage V equal to 1/2 timesinSo as to output a current IoutInput current I equal to 2 timesinAccordingly, amplification of the input current is achieved.
Taking the first capacitor C1 and the second capacitor C2 as an example, the charging control module may amplify the current of the charging signal by 2 times and reduce the voltage by 2 times.
Optionally, the charging structure further comprises:
an i1 connection structure for connecting a first terminal of the i charging control module and the input terminal;
an i2 th connection structure for connecting a second end of the i charging control module and the battery;
the resistance adjusting module is connected to the i1 connection structure and/or the i2 connection structure and is used for adjusting the resistance value of the i1 connection structure and/or the resistance value of the i2 connection structure;
wherein i is more than or equal to 1 and less than or equal to n, and i takes n values from 1 to n.
Fig. 7 is a resistance value diagram of a connection structure in a charging structure according to an embodiment of the disclosure.
As shown in fig. 7, the 11 th connection structure connecting the first terminal and the input terminal of the 1 st charging control module has a resistance value R1A 12 th connection structure connecting the second terminal of the 1 st charging control module and the battery and having a resistance value of R2A 21 st connection structure connecting the first terminal and the input terminal of the 2 nd charging control module and having a resistance value of R3A 22 nd connection structure connecting the second terminal of the 2 nd charging control module and the battery, the resistance value of the resistor being R4Voltage of charging signal is VBUSThe voltage of the charging signal is IBUSVoltage of input battery is VBATThe current input to the battery is IBAT。
For convenience of illustration, equivalent resistances of the 1 st charging control module and the 2 nd charging control module are set to be equal and are both ReqAnd for amplifying the current of the charging signal by 2 times and for reducing the voltage of the charging signal to 1/2. The current flowing through the 11 th connection structure is I1After passing through the charging control module 1, the current flowing through the connection structure 12 is 2I1The current flowing through the 21 st connection structure isI2After passing through the 2 nd charging control module, the current passing through the 22 nd connecting structure is 2I2。
Then the following relationship exists:
2*I1＝[(VBUS-I1*R1)/2-(VBAT+2I1*R2)]/Req；
2*I2＝[(VBUS-I2*R3)/2-(VBAT+2I2*R4)]/Req；
I1+I2＝IBUS；
is provided with Z1＝R1+4*Req+4*R2，Z2＝R3+4*Req+4*R4Then the above equation can be converted to the following relation:
I1/I2＝(R3+4Req+4R4)/(R1+4Req+4R2)＝Z2/Z1；
I1＝(VBUS-2VBAT)/Z1；
I2＝(VBUS-2VBAT)/Z2；
IBAT＝I1+I2＝2(VBUS-2VBAT)(Z2+Z1)/(Z2*Z1)；
VBUS＝2VBAT+IBAT*Z2*Z1/(2Z2+2Z1)；
according to the above relation, the current flowing through the 11 th connection structure is I1The current flowing through the 12 th connection structure is 2I1The current flowing through the 21 st connection structure is I2The current flowing through the 22 nd connection structure is 2I2And I is1And I2Ratio of (a) to Z2And Z1Is related to the ratio of (Z)2And Z1R in (1)eqThe circuit in the charging control module is determined to be a fixed value, i.e. Z2And Z1And R1、R2、R3、R4Are relevant.
Therefore, the resistance value of the i1 th connection structure is adjusted and adjusted by the resistance adjusting module, and/or the resistance value of the i2 th connection structure is adjusted, that is, for the case that n is 2, R can be adjusted1And/or R2And/or R3And/or R4Thereby changing Z2And Z1In turn, change I1And I2By this, it is achieved that different currents are distributed to different charging control modules in order to adapt the distributed currents to the environment in which the charging control modules are located.
In addition, due to VBUS＝2VBAT+IBAT*Z2*Z1/(2Z2+2Z1) V according to needBATCan adjust Z2And/or Z1I.e. regulation of R1And/or R2And/or R3And/or R4Thereby adjusting VBUSSo that the voltage finally applied to the battery is the required VBAT。
Optionally, the charging structure further comprises a series resistor and a parallel resistor;
wherein the resistance adjustment module adjusts the resistance value of the i1 connection structure by connecting the series resistor in series with the i1 connection structure and/or connecting the parallel resistor in parallel with the i1 connection structure; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connection structure by connecting the series resistor in series with the i2 th connection structure and/or connecting the parallel resistor in parallel with the i2 th connection structure.
Fig. 7A is a schematic diagram illustrating a series resistance in series with a connection structure in accordance with an embodiment of the present disclosure.
The resistance adjusting module can be as shown in fig. 7A by connecting the series resistor in series with the i1 connection structure, for the i1 connection structure, a series line can be provided, which is the same as the i1 connection structure, the resistance value of the series line is the same as that of the i1 connection structure, and a series resistor is additionally provided on the series line, the resistance adjusting module can control the series switch to connect the input end to the series line or to the i1 connection structure, when the input end is connected to the series line, it is equivalent to connect the series resistor in series on the basis of the i1 connection structure, thereby increasing the resistance value of the i1 connection structure.
Fig. 7B is a schematic diagram illustrating a parallel resistance in parallel with a connection structure according to an embodiment of the disclosure.
The resistance adjusting module may be as shown in fig. 7B by connecting the parallel resistor in parallel with the i1 th connection structure, for the i1 th connection structure, a parallel line may be provided, and a parallel switch and a parallel resistor are provided on the parallel line, and the resistance adjusting module may control the parallel switch to be turned on or off, and when the parallel switch is turned off, the parallel resistor may be connected in parallel with the i1 th connection structure, so as to reduce the resistance value of the i1 th connection structure.
In an embodiment, a series resistor and a parallel resistor may be disposed in the charging structure, and the resistor adjusting module adjusts the resistance of the connection structure by connecting the series resistor in series with the connection structure to increase the resistance of the connection structure, or by connecting the parallel resistor in parallel with the connection structure to decrease the resistance of the connection structure.
Optionally, an i1 variable resistor is arranged on the i1 connection structure, and/or an i2 variable resistor is arranged on the i2 connection structure;
wherein the resistance adjusting module adjusts the resistance value of the i1 th connecting structure by adjusting the i1 th variable resistor; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connecting structure by adjusting the i2 th variable resistor.
In one embodiment, a variable resistor may be disposed on the connection structure, and the resistance value of the connection structure may be changed by adjusting the variable resistor in a manner that the resistance value of the connection structure is adjusted by the resistance adjustment module.
Fig. 7C is a schematic diagram illustrating an environment detection module, according to an embodiment of the present disclosure.
Optionally, as shown in fig. 7C, the charging structure further includes:
an environment detection module, connected to the resistance adjustment module, configured to detect environment information of an environment in which the ith charging control module is located (fig. 7C only shows that the environment detection module is connected to the 1 st charging module, and in fact, the environment detection module may be set to be connected to each charging module as needed), and send a control signal to the resistance adjustment module according to the environment information;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
In one embodiment, an environment detection module may be disposed in the charging structure to detect environmental information of an environment in which the charging control module is located, for example, temperature, humidity, and the like may be detected.
Taking the detected temperature as an example, if it is detected that the temperature of the environment where the 1 st charging control module is located is higher, for example, greater than the preset temperature, and the temperature of the environment where the 2 nd charging control module is located is lower, it can be determined that the 1 st charging control module has an overheating risk, and the 2 nd charging control module does not have an overheating risk, then a control signal can be sent to the resistance adjustment module, so that the resistance adjustment module adjusts the resistance value of the connection structure, so as to reduce the current input into the 1 st charging control module, and increase the current input into the 2 nd charging control module, so as to eliminate the risk of overheating of the 1 st charging control module.
Optionally, the charging structure further comprises:
the instruction receiving module is connected with the resistance adjusting module and used for receiving an instruction input by a user and sending a control signal to the resistance adjusting module according to the instruction;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
In one embodiment, an instruction receiving module may be disposed in the charging structure to receive an instruction input by a user, so that the user may input an instruction as needed to control the resistance adjusting module to adjust the resistance value of the connection structure.
Optionally, n is 2.
In one embodiment, 2 charging control modules may be provided in the charging structure, in which case the current input to the 2 charging control modules is relatively simple in relation to the resistance values of the 2 charging control modules and the connection structure between the input terminal and the battery, and is easily adjustable.
Fig. 8 is a schematic flow chart diagram illustrating a charge control method according to an embodiment of the present disclosure. The charging control method can be applied to terminals, and the terminals comprise electronic devices such as a mobile phone, a tablet computer and a wearable device.
The terminal comprises n charging control modules connected in parallel, wherein a first end of each charging control module is connected to an input end, a second end of each charging control module is connected to a battery, the charging control modules are used for amplifying the current of a charging signal input by the input end and reducing the voltage of the charging signal, an i1 connection structure is used for connecting the first end of the i charging control module and the input end, an i2 connection structure is used for connecting the second end of the i charging control module and the battery, wherein i is more than or equal to 1 and less than or equal to n, n is more than 1, and i takes n values from 1 to n;
as shown in fig. 8, the method includes:
in step S1, the resistance value of the i1 th connection structure is adjusted according to the received control signal, and/or the resistance value of the i2 th connection structure is adjusted.
In one embodiment, the resistance of the connection structure is adjusted according to the control signal, so that different currents can be distributed to different charging control modules, and the distributed currents can be adapted to the environment where the charging control modules are located.
Fig. 9 is a schematic flow chart diagram illustrating another charge control method according to an embodiment of the present disclosure. As shown in fig. 9, the charge control method further includes:
in step S2, before adjusting the resistance value of the i1 th connection structure and/or adjusting the resistance value of the i2 th connection structure according to the received control signal, detecting environmental information of the environment where the i-th charging control module is located;
in step S3, the control signal is generated according to the environmental information.
In one embodiment, environmental information of an environment where the charging control module is located may be detected, for example, temperature, humidity, and the like, and then a control signal is generated according to the environmental information, so that after the resistance value of the connection structure is adjusted, different currents can be distributed to different charging control modules, so that the distributed currents are adapted to the environment where the charging control module is located.
Taking the detected temperature as an example, if it is detected that the temperature of the environment where the 1 st charging control module is located is higher, for example, greater than the preset temperature, and the temperature of the environment where the 2 nd charging control module is located is lower, it can be determined that the 1 st charging control module has an overheating risk, and the 2 nd charging control module does not have an overheating risk, then a control signal can be sent to the resistance adjustment module, so that the resistance adjustment module adjusts the resistance value of the connection structure, so as to reduce the current input into the 1 st charging control module, and increase the current input into the 2 nd charging control module, so as to eliminate the risk of overheating of the 1 st charging control module.
An embodiment of the present disclosure further provides an electronic device including the charging structure according to any one of the above embodiments.
Fig. 10 is a schematic block diagram illustrating an electronic device 1000 in accordance with an embodiment of the disclosure. For example, the electronic device 1000 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 10, electronic device 1000 may include one or more of the following components: processing component 1002, memory 1004, power component 1006, multimedia component 1008, audio component 1010, input/output (I/O) interface 1012, sensor component 1014, and communications component 1016.
The processing component 1002 generally controls overall operation of the electronic device 1000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 1002 may include one or more processors 1020 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 1002 may include one or more modules that facilitate interaction between processing component 1002 and other components. For example, the processing component 1002 may include a multimedia module to facilitate interaction between the multimedia component 1008 and the processing component 1002.
The memory 1004 is configured to store various types of data to support operations at the electronic device 1000. Examples of such data include instructions for any application or method operating on the electronic device 1000, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1004 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 1006 provides power to the various components of the electronic device 1000. The power components 1006 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the electronic device 1000.
The multimedia component 1008 includes a screen that provides an output interface between the electronic device 1000 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 1008 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 1000 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1010 is configured to output and/or input audio signals. For example, the audio component 1010 may include a Microphone (MIC) configured to receive external audio signals when the electronic device 1000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 1004 or transmitted via the communication component 1016. In some embodiments, audio component 1010 also includes a speaker for outputting audio signals.
I/O interface 1012 provides an interface between processing component 1002 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 1014 includes one or more sensors for providing various aspects of status assessment for the electronic device 1000. For example, the sensor assembly 1014 may detect an open/closed state of the electronic device 1000, the relative positioning of components, such as a display and keypad of the electronic device 1000, the sensor assembly 1014 may also detect a change in position of the electronic device 1000 or a component of the electronic device 1000, the presence or absence of user contact with the electronic device 1000, orientation or acceleration/deceleration of the electronic device 1000, and a change in temperature of the electronic device 1000. The sensor assembly 1014 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 1014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1016 is configured to facilitate wired or wireless communication between the electronic device 1000 and other devices. The electronic device 1000 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, 4G LTE, 5G NR, or a combination thereof. In an exemplary embodiment, the communication component 1016 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1016 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 1000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 1004 comprising instructions, executable by the processor 1020 of the electronic device 1000 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A charging structure is characterized by comprising n charging control modules connected in parallel, wherein n is more than 1;
wherein a first end of each of the charging control modules is connected to an input terminal, and a second end of each of the charging control modules is connected to a battery;
the charging control module is used for amplifying the current of the charging signal input by the input end and reducing the voltage of the charging signal.
2. The charging structure of claim 1, further comprising:
an i1 connection structure for connecting a first terminal of the i charging control module and the input terminal;
an i2 th connection structure for connecting a second end of the i charging control module and the battery;
the resistance adjusting module is connected to the i1 connection structure and/or the i2 connection structure and is used for adjusting the resistance value of the i1 connection structure and/or the resistance value of the i2 connection structure;
wherein i is more than or equal to 1 and less than or equal to n, and i takes n values from 1 to n.
3. The charging structure according to claim 2, further comprising a series resistance and a parallel resistance;
wherein the resistance adjustment module adjusts the resistance value of the i1 connection structure by connecting the series resistor in series with the i1 connection structure and/or connecting the parallel resistor in parallel with the i1 connection structure; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connection structure by connecting the series resistor in series with the i2 th connection structure and/or connecting the parallel resistor in parallel with the i2 th connection structure.
4. The charging structure according to claim 2, wherein an i1 variable resistor is provided on the i1 connection structure, and/or an i2 variable resistor is provided on the i2 connection structure;
wherein the resistance adjusting module adjusts the resistance value of the i1 th connecting structure by adjusting the i1 th variable resistor; and/or
The resistance adjusting module adjusts the resistance value of the i2 th connecting structure by adjusting the i2 th variable resistor.
5. The charging structure according to claim 2, further comprising:
the environment detection module is connected with the resistance regulation module and used for detecting the environment information of the environment where the ith charging control module is located and sending a control signal to the resistance regulation module according to the environment information;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
6. The charging structure according to claim 2, further comprising:
the instruction receiving module is connected with the resistance adjusting module and used for receiving an instruction input by a user and sending a control signal to the resistance adjusting module according to the instruction;
the resistance adjusting module is used for adjusting the resistance value of the i1 th connecting structure and/or adjusting the resistance value of the i2 th connecting structure according to the control signal.
7. The charging structure according to any one of claims 1 to 6, wherein n-2.
8. A charging control method, which is applied to a terminal, the terminal comprising n charging control modules connected in parallel, a first terminal of each charging control module being connected to an input terminal, a second terminal of each charging control module being connected to a battery, the charging control modules being configured to amplify a current of a charging signal input from the input terminal and reduce a voltage of the charging signal, an i1 connection structure being configured to connect the first terminal of the i charging control module and the input terminal, an i2 connection structure being configured to connect the second terminal of the i charging control module and the battery, wherein i is not less than 1 and not more than n, n is greater than 1, and i takes n values from 1 to n;
the method comprises the following steps:
and adjusting the resistance value of the i1 th connection structure and/or the resistance value of the i2 th connection structure according to the received control signal.
9. The method of claim 8, further comprising:
detecting environmental information of the environment where the ith charging control module is located before adjusting the resistance value of the ith 1 connection structure and/or adjusting the resistance value of the ith 2 connection structure according to the received control signal;
and generating the control signal according to the environment information.
10. An electronic device, characterized in that it comprises a charging structure according to any one of claims 1 to 7.
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Application publication date: 20210430 |