CN107968469B - Charging system, mobile terminal and charger - Google Patents
Charging system, mobile terminal and charger Download PDFInfo
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- CN107968469B CN107968469B CN201810026164.XA CN201810026164A CN107968469B CN 107968469 B CN107968469 B CN 107968469B CN 201810026164 A CN201810026164 A CN 201810026164A CN 107968469 B CN107968469 B CN 107968469B
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- 230000005611 electricity Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application provides a charging system, a mobile terminal and a charger, wherein the charging system comprises a first charging module arranged on the mobile terminal, a second charging module arranged on the charger, a processor, a battery and an electricity load; when the charger is connected with the mobile terminal, through the cooperation of different charging power supply circuits in the charger and different charging power supply circuits in the mobile terminal, the mobile terminal can select to directly use the electric energy output by the charger to supply power for the power load or only use the battery to supply power for the power load under the condition of higher temperature. Therefore, when the mobile terminal is connected with the charger for a long time, the heating value of the mobile terminal can be reduced, the battery is effectively protected, and the use experience of a user is improved.
Description
Technical Field
The present application relates to the field of mobile communications technologies, and in particular, to a charging system, a mobile terminal, and a charger.
Background
With the continuous popularization and development of mobile terminals, the application scenes of the mobile terminals are wider and wider. In some application scenarios (e.g., long-time video shooting, video playing, long-distance navigation, etc.), the mobile terminal needs to run an application program with large power consumption for a long time. At this time, the battery of the mobile terminal may not be sufficient to supply power for such a long time. In these scenarios, to ensure continued operation of the mobile terminal, the mobile terminal needs to remain connected to the charger for a long period of time. In the charging process of the mobile terminal, if the application program with high power consumption is operated at the same time, the mobile terminal can be kept in a high-temperature state, so that dangerous safety problems such as gas expansion and swelling of the polymer lithium battery are caused by high-temperature charging.
In the prior art, in order to avoid the problem of continuous charging of a battery at a high temperature, when detecting that the temperature of a mobile terminal is high, the battery is stopped to be charged, and a charging management chip converts the electric energy of a charger into a current voltage level and then supplies the current voltage level to an electric load. However, the charging chip still generates additional heat due to the problem of insufficient conversion rate when performing current-voltage level conversion, so that the temperature rise of the mobile terminal is increased, the use of a user is affected, and the dangerous safety problems such as gas expansion and swelling can occur even if the lithium battery does not work at a continuous high temperature.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an object of the present application is to provide a charging system comprising a mobile terminal and a charger for providing electric energy to the mobile terminal;
the mobile terminal comprises a processor, a battery, a first charging circuit of an electric load and a first power supply circuit, wherein the first charging circuit and the first power supply circuit are respectively connected with the electric load and the processor, and the first charging circuit is also connected with the battery; the first power supply circuit is used for directly supplying the electric energy obtained from the charger to the electric load, and the first charging circuit is used for supplying the electric energy of the battery to the electric load or converting the electric energy obtained from the charger into a current voltage level and then supplying the current voltage level to the electric load and the battery; the processor selects to receive the electric energy provided by the charger through the first power supply circuit or the first charging circuit;
the charger comprises a second charging circuit, a second power supply circuit, a control unit, a first switching element and a second switching element; when the charger is connected with the mobile terminal, the second power supply circuit is connected with the first power supply circuit through the first switching element, the second charging circuit is connected with the first charging circuit through the second switching element, the control unit is in communication connection with the processor, and the control unit controls the first switching element and the second switching element according to signals sent by the processor; the output current voltage level of the second power supply circuit is constant to be the rated working current voltage level of the power load; and the output current voltage level of the second charging circuit is dynamically adjusted according to the electric quantity of the battery.
Optionally, in the above charging system, the mobile terminal further includes a coulometer and a thermometer;
the electricity meter is connected with the battery to detect the voltage of the battery, the thermometer is used for detecting the temperature of the mobile terminal, and the processor is connected with the electricity meter and the thermometer to control the output current voltage level of the charger and select to receive the electric energy provided by the charger through the first power supply circuit or the first charging circuit according to detection data obtained from the electricity meter and the thermometer.
Optionally, in the above charging system, when the mobile terminal is connected to the charger, if the processor detects that the current power consumption of the mobile terminal is greater than a preset power consumption threshold, the temperature and the battery power of the mobile terminal are obtained through the thermometer and the fuel gauge;
when the processor detects that the current temperature of the mobile terminal is greater than a preset temperature threshold and the current battery capacity is greater than a preset capacity threshold, the control unit is controlled to disconnect the first switching element and the second switching element, so that the charger stops supplying power to the mobile terminal, and the first charging circuit is controlled to switch to only use the battery to supply power to the electric load;
when the processor detects that the current temperature of the mobile terminal is greater than the preset temperature threshold value, but the current battery power is not greater than the preset power threshold value, the control unit is controlled to switch on the first switch element and switch off the second switch element, so that the charger provides electric energy for the mobile terminal through the second power supply circuit, and the first power supply circuit is controlled to directly supply the electric energy provided by the charger to the electric load;
when the processor detects that the current temperature of the mobile terminal is not greater than the preset temperature threshold or the current power consumption is not greater than the preset power consumption, the control unit is controlled to disconnect the first switching element and connect the second switching element, so that the charger supplies power to the mobile terminal through the second charging circuit, and the first charging circuit is controlled to supply power to the power load or charge the battery after receiving the power provided by the charger.
Optionally, in the above charging system, the mobile terminal further includes a power consumption detection circuit, where the power consumption detection circuit is configured to detect a load voltage and a load current of the power load; the processor is connected with the power consumption detection circuit to calculate the current power consumption of the mobile terminal according to the load voltage and the load current.
Optionally, in the above charging system, when the processor detects that the current temperature of the mobile terminal is not greater than the preset temperature threshold or the mobile terminal does not start an application program with high power consumption, the processor further sends the battery power collected by the fuel gauge to the charger, so that the second charging circuit of the charger dynamically adjusts the output current voltage level according to the battery power.
Optionally, in the above charging system, the mobile terminal includes a first USB interface, where the first USB interface includes a first power supply contact and a first signal contact; the first power supply contact is connected with the first power supply circuit and the first charging circuit respectively;
the charger comprises a second USB interface, wherein the second USB interface comprises a second power supply contact and a second signal contact; the second power supply circuit is connected with the second power supply contact through the first switching element, and the second charging circuit is connected with the second power supply contact through the second switching element;
when the mobile terminal is connected with the charger, the first power supply contact is connected with the second power supply contact, the first signal contact is connected with the second signal contact, and the processor is in communication connection with the control unit through the first signal contact and the second signal contact.
Optionally, in the charging system, the first USB interface and the second USB interface are Type-C interfaces; the first signal contact and the second signal contact are a group of corresponding D+/D-contacts or a group of corresponding CC1/CC2 contacts.
Optionally, in the above charging system, the mobile terminal further includes a communication module, the communication module is connected to the processor, and when the mobile terminal is connected to the charger, the processor communicates with the control unit through the communication module.
Another object of the present application is to provide a mobile terminal, where the mobile terminal includes a processor, a battery, an electric load charging circuit, and a power supply circuit, where the charging circuit and the power supply circuit are connected to the electric load and the processor, respectively, and the charging circuit is also connected to the battery; the power supply circuit is used for directly supplying the electric energy obtained from the charger to the electric load, and the charging circuit is used for selectively supplying the electric energy of the battery to the electric load or converting the electric energy obtained from the charger into a current voltage level and then supplying the electric energy to the electric load and the battery; the processor selectively receives the electrical energy provided by the charger through the power supply circuit or the charging circuit.
Another object of the present application is to provide a charger including a charging circuit, a power supply circuit, a control unit, a first switching element, and a second switching element; when the charger is connected with the mobile terminal, the charging circuit is connected with the mobile terminal through the first switching element, the power supply circuit is connected with the mobile terminal through the second switching element, the control unit is in communication connection with the mobile terminal, and the control unit controls the first switching element and the second switching element according to signals sent by the mobile terminal; the output current voltage level of the power supply circuit is constant to be the rated working current voltage level of the power load; the output current voltage level of the charging circuit can be dynamically adjusted according to the electric quantity of the mobile terminal battery.
Compared with the prior art, the application has the following beneficial effects:
according to the charging system, the mobile terminal and the charger, through the cooperation of different charging power supply circuits in the charger and different charging power supply circuits in the mobile terminal, the mobile terminal can select to directly use electric energy output by the charger to supply power for supplying power to an electric load or only use a battery to supply power for the electric load under the condition of high temperature. Therefore, when the mobile terminal is connected with the charger for a long time, the heating value of the mobile terminal can be reduced, the battery is effectively protected, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a charging system according to an embodiment of the present application;
FIG. 2 is a second schematic diagram of a charging system according to an embodiment of the present application;
fig. 3 is a schematic diagram of a first charging module according to an embodiment of the present application;
fig. 4 is a schematic circuit diagram of a charging system according to an embodiment of the present application.
Icon: 10-a mobile terminal; 110-a first power supply circuit; 120-a first charging circuit; 130-a processor; 140-cell; 150-an electrical load; 161-a first power contact; 162-first signal contacts; 170-a communication module; 180-electricity meter; 190-thermometer; 20-a charger; 210-a second power supply circuit; 220-a second charging circuit; 230-a control unit; 231-a first switching element; 232-a second switching element; 241-second power contact; 242-second signal contacts.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The present embodiment provides a mobile terminal and a charger, where the mobile terminal may be, but is not limited to, a smart phone, a personal computer (personal computer, PC), a tablet computer, a personal digital assistant (personal digital assistant, PDA), a mobile internet device (mobile Internet device, MID), and the like. The charger can be connected with the mobile terminal through a charging wire, wherein the charging wire can also serve as a communication wire between the charger and the mobile terminal, for example, the charging wire can be provided with a USB data wire, one end of the USB data wire can be detachably connected with the charger, and the other end of the USB data wire can be detachably connected with the mobile terminal.
Referring to fig. 1, in the present embodiment, a charging system for a mobile terminal 10 and a charger 20 is provided, where the charging system includes a first charging module disposed on the mobile terminal 10 and a second charging module disposed on the charger 20. The mobile terminal 10 also includes a processor 130, a battery 140, and an electrical load 150.
In this embodiment, the first charging module includes a first charging circuit 120 and a first power supply circuit 110.
The first power supply circuit 110 is connected to the processor 130 and the power load 150, and is configured to directly supply the power obtained from the charger 20 to the power load 150 under the control of the processor 130.
The first power supply circuit 110 may be a switching element group, and the switching element group is connected to the processor 130, and turns on the charger 20 and the power load 150 under the control of the processor 130, so as to directly supply the power output from the charger 20 to the power load 150.
The first power supply circuit 110 is connected to the processor 130, the battery 140 and the electric load 150, and is configured to selectively supply the electric power of the battery 140 to the electric load 150 or supply the electric power obtained from the charger 20 to the electric load 150 and the battery 140 after converting the electric power into a current-voltage level under the control of the processor 130.
The first charging module receives the power provided by the charger 20 through the first power supply circuit 110 or the first charging circuit 120 under the control of the processor 130.
In this embodiment, the second charging module includes a second charging circuit 220, a second power supply circuit 210, a control unit 230, a first switching element 231, and a second switching element 232.
When the charger 20 is connected to the mobile terminal 10, the second power supply circuit 210 is connected to the first power supply circuit 110 through the first switching element 231, the second charging circuit 220 is connected to the first charging circuit 120 through the second switching element 232, the control unit 230 is communicatively connected to the processor 130, and the control unit 230 controls the first switching element 231 and the second switching element 232 according to signals transmitted from the processor 130.
The output current voltage level of the second power supply circuit 210 is constant to the rated operating current voltage level of the electric load 150, and the output current voltage level of the second charging circuit 220 is dynamically adjusted according to the electric quantity of the battery 140. For example, the second charging circuit 220 may select a high-voltage fast charge, a normal 5V charge, or a low-voltage direct charge mode according to the charge condition of the battery 140.
In this embodiment, when the charger 20 is connected to the mobile terminal 10, the control unit 230 of the charger 20 is further connected to the processor 130 of the mobile terminal 10 in a communication manner, and the mobile terminal 10 may send an instruction to the control unit 230 to cause the control unit 230 to control the on/off of the first switching element 231 and the second switching element 232.
Optionally, in this embodiment, the mobile terminal 10 further includes a communication module 170, where the communication module 170 is connected to the processor 130, and when the mobile terminal 10 is connected to the charger 20, the processor 130 communicates with the control unit 230 through the communication module 170.
In a possible implementation manner of this embodiment, referring to fig. 1 again, when the mobile terminal 10 is connected to the charger 20, and when the mobile terminal 10 is connected to the charger 20, the first power supply circuit 110 is electrically connected to the second power supply circuit 210 through a separate interface, and the first charging circuit 120 is electrically connected to the second charging circuit 220 through a separate interface.
In another possible implementation manner of the present embodiment, referring to fig. 2, the mobile terminal 10 includes a first USB interface, where the first USB interface includes a first power supply contact 161 and a first signal contact 162; the first power supply contact 161 is connected to the first charging circuit 120 and the first power supply circuit 110, respectively.
The charger 20 includes a second USB interface including a second power contact 241 and a second signal contact 242. The second power supply circuit 210 is connected to the second power supply contact 241 through the first switching element 231, and the second charging circuit 220 is connected to the second power supply contact 241 through the second switching element 232.
When the mobile terminal 10 is connected to the charger 20, the first power supply contact 161 is connected to the second power supply contact 241, the first signal contact 162 is connected to the second signal contact 242, and the processor 130 is communicatively connected to the control unit 230 via the first signal contact 162 and the second signal contact 242.
Further, in this embodiment, the first USB interface and the second USB interface are Type-C interfaces. The first signal contact 162 and the second signal contact 242 are a set of corresponding d+/D-contacts or a set of corresponding CC1/CC2 contacts.
Further, referring to fig. 3, in the present embodiment, the mobile terminal 10 further includes an electricity meter 180 and a thermometer 190.
The electricity meter 180 is connected to the battery 140 to detect the voltage of the battery 140, the thermometer 190 is used to detect the temperature of the mobile terminal 10, and the processor 130 is connected to the electricity meter 180 and the thermometer 190 to control the output current voltage level of the charger 20 and to select to receive the electric power supplied from the charger 20 through the first power supply circuit 110 or the first charging circuit 120 according to the detection data obtained from the electricity meter 180 and the thermometer 190.
In this embodiment, when the mobile terminal 10 is connected to the charger 20, if the processor 130 detects that the current power consumption of the mobile terminal 10 is greater than a preset power consumption threshold, the temperature of the mobile terminal 10 and the electric quantity of the battery 140 are obtained through the thermometer 190 and the electric quantity meter 180, and one of the following multi-charging power supply modes is selected according to the temperature and the electric quantity of the battery 140:
A. when the processor 130 detects that the current temperature of the mobile terminal 10 is greater than a preset temperature threshold and the current power of the battery 140 is greater than a preset power threshold, the control unit 230 is controlled to turn off the first switching element 231 and the second switching element 232, so that the charger 20 stops supplying power to the mobile terminal 10, and the first charging circuit 120 is controlled to switch to only use the battery 140 to supply power to the power load 150.
At this time, the charger 20 does not output power to the mobile terminal 10, and the mobile terminal 10 supplies power to the power load 150 by the battery 140, so that no additional heat is generated.
B. When the processor 130 detects that the current temperature of the mobile terminal 10 is greater than the preset temperature threshold, but the current electric quantity of the battery 140 is not greater than the preset electric quantity threshold, the control unit 230 is controlled to switch on the first switch element 231 and switch off the second switch element 232, so that the charger 20 provides electric energy for the mobile terminal 10 through the second power supply circuit 210, and the first power supply circuit 110 is controlled to directly supply the electric energy provided by the charger 20 to the electric load 150.
At this time, the charger 20 supplies the operating current voltage level power to the power load 150 to the mobile terminal 10 through the second power supply circuit 210, and the mobile terminal 10 directly supplies the power supplied from the charger 20 to the power load 150. Since the mobile terminal 10 directly supplies the electric energy output by the charger 20 to the electric load 150, the conversion of the current voltage level and the voltage stabilizing and constant current are completed by the charger 20, the mobile terminal 10 only generates a small amount of heat on the switching element group of the first power supply circuit 110, and the overall heat of the mobile terminal 10 is not affected even if the connection between the charger 20 and the mobile terminal 10 is maintained for a long time.
Further, at this time, the first charging circuit 120 may charge the battery 140 with the electric power output from the charger 20.
C. When the processor 130 detects that the current temperature of the mobile terminal 10 is not greater than the preset temperature threshold or the current power consumption is not greater than the preset power consumption, the control unit 230 is controlled to turn off the first switching element 231 and turn on the second switching element 232, so that the charger 20 supplies power to the mobile terminal 10 through the second charging circuit 220, and controls to supply the power load 150 or charge the battery 140 after receiving the power supplied by the charger 20 by using the first charging circuit 120.
At this time, the charger 20 supplies the electric energy of the corresponding current voltage level to the mobile terminal 10 according to the electric quantity of the battery 140 of the mobile terminal 10 through the second charging circuit 220, the mobile terminal 10 converts the electric energy supplied by the charger 20 through the first charging circuit 120 and supplies the electric energy to the battery 140 or the electric load 150, and when the temperature of the mobile terminal 10 is not high, the mobile terminal is switched to the normal charging mode again.
Further, in the present embodiment, the mobile terminal 10 further includes a power consumption detection circuit for detecting a load voltage and a load current of the power load 150. The processor 130 is coupled to the power consumption detection circuit to calculate the present power consumption of the mobile terminal 10 based on the load voltage and load current.
Further, in this embodiment, when the processor 130 detects that the current temperature of the mobile terminal 10 is not greater than the preset temperature threshold or the mobile terminal 10 does not start an application program with large power consumption, the electric quantity of the battery 140 collected by the electric quantity meter 180 is sent to the charger 20, so that the second charging circuit 220 of the charger 20 dynamically adjusts the output current voltage level according to the electric quantity of the battery 140.
Referring to fig. 4, fig. 4 is a schematic circuit diagram of one possible embodiment of the present application, where the mobile terminal 10 and the charger 20 are connected through a Type-C USB interface. Wherein, the switching element can adopt MOS pipe.
The control unit 230 is communicatively connected to the processor 130 via signal contacts of a USB interface.
Q8 is a first switching element 231, the drain of which is connected to the control unit 230, and the gate and the source of which are connected to the power supply contact of the USB interface of the charger 20 and the second charging circuit 220, respectively.
Q7 is a second switching element 232, the drain of which is connected to the control unit 230, and the gate and the source of which are connected to the power supply contact of the USB interface of the charger 20 and the second power supply circuit 210, respectively.
The control unit 230 is connected with the D+/D-contact or CC1/CC2 contact signal contact of the USB interface.
Q5 and Q6 form a first power supply circuit 110, the drains of which are connected with the processor 130, and the gates and sources of which are connected in series between the power supply contact of the USB interface of the mobile terminal 10 and the power load 150.
Q1-Q4 comprise a first charging circuit 120, the drains of which are all connected to the processor 130.
Q1, Q5, Q6, Q7, Q8 are off, and when Q4 is on, power is supplied from the battery 140 of the mobile terminal 10 to the power load 150.
When Q1 is turned off and Q5, Q6 and Q8 are turned on, the second power supply circuit 210 of the charger 20 directly supplies power to the power load 150 of the mobile terminal 10.
When Q1, Q2, Q3, Q7 are on, and Q8, Q5, Q6 are off, the second charging circuit 220 of the charger 20 provides electric energy with corresponding current voltage level according to the electric quantity of the battery 140, and the first charging circuit 120 of the mobile terminal 10 converts the obtained electric energy and supplies the converted electric energy to the battery 140 or the electric load 150.
In summary, according to the charging system, the mobile terminal and the charger provided by the application, through the cooperation of different charging power supply circuits in the charger and different charging power supply circuits in the mobile terminal, the mobile terminal can select to directly use electric energy output by the charger to supply power for a power load or only use a battery to supply power for the power load under the condition of higher temperature. Therefore, when the mobile terminal is connected with the charger for a long time, the heating value of the mobile terminal can be reduced, the battery is effectively protected, and the use experience of a user is improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. A charging system, characterized in that the charging system comprises a mobile terminal and a charger for providing electric energy for the mobile terminal;
the mobile terminal comprises a processor, a battery, a first charging circuit of an electric load and a first power supply circuit, wherein the first charging circuit and the first power supply circuit are respectively connected with the electric load and the processor, and the first charging circuit is also connected with the battery; the first power supply circuit is used for directly supplying the electric energy obtained from the charger to the electric load, and the first charging circuit is used for supplying the electric energy of the battery to the electric load or converting the electric energy obtained from the charger into a current voltage level and then supplying the current voltage level to the electric load and the battery; the processor selects to receive the electric energy provided by the charger through the first power supply circuit or the first charging circuit;
the charger comprises a second charging circuit, a second power supply circuit, a control unit, a first switching element and a second switching element; when the charger is connected with the mobile terminal, the second power supply circuit is connected with the first power supply circuit through the first switching element, the second charging circuit is connected with the first charging circuit through the second switching element, the control unit is in communication connection with the processor, and the control unit controls the first switching element and the second switching element according to signals sent by the processor; the output current voltage level of the second power supply circuit is constant to be the rated working current voltage level of the power load; the output current voltage level of the second charging circuit is dynamically adjusted according to the electric quantity of the battery;
the mobile terminal further comprises a coulometer and a thermometer;
the electricity meter is connected with the battery to detect the voltage of the battery, the thermometer is used for detecting the temperature of the mobile terminal, the processor is connected with the electricity meter and the thermometer to control the output current voltage level of the charger and select to receive the electric energy provided by the charger through the first power supply circuit or the first charging circuit according to detection data obtained from the electricity meter and the thermometer;
the mobile terminal further comprises a first USB interface, wherein the first USB interface comprises a first power supply contact and a first signal contact; the first power supply contact is connected with the first power supply circuit and the first charging circuit respectively;
the charger also comprises a second USB interface, wherein the second USB interface comprises a second power supply contact and a second signal contact; the second power supply circuit is connected with the second power supply contact through the first switching element, and the second charging circuit is connected with the second power supply contact through the second switching element;
when the mobile terminal is connected with the charger, the first power supply contact is connected with the second power supply contact, the first signal contact is connected with the second signal contact, and the processor is in communication connection with the control unit through the first signal contact and the second signal contact.
2. The system of claim 1, wherein when the mobile terminal is connected to the charger, if the processor detects that the current power consumption of the mobile terminal is greater than a preset power consumption threshold, the temperature and the battery power of the mobile terminal are obtained through the thermometer and the fuel gauge;
when the processor detects that the current temperature of the mobile terminal is greater than a preset temperature threshold and the current battery capacity is greater than a preset capacity threshold, the control unit is controlled to disconnect the first switching element and the second switching element, so that the charger stops supplying power to the mobile terminal, and the first charging circuit is controlled to switch to only use the battery to supply power to the electric load;
when the processor detects that the current temperature of the mobile terminal is greater than the preset temperature threshold value, but the current battery power is not greater than the preset power threshold value, the control unit is controlled to switch on the first switch element and switch off the second switch element, so that the charger provides electric energy for the mobile terminal through the second power supply circuit, and the first power supply circuit is controlled to directly supply the electric energy provided by the charger to the electric load;
when the processor detects that the current temperature of the mobile terminal is not greater than the preset temperature threshold or the current power consumption is not greater than the preset power consumption, the control unit is controlled to disconnect the first switching element and connect the second switching element, so that the charger supplies power to the mobile terminal through the second charging circuit, and the first charging circuit is controlled to supply power to the power load or charge the battery after receiving the power provided by the charger.
3. The system of claim 2, wherein the mobile terminal further comprises a power consumption detection circuit for detecting a load voltage and a load current of the electrical load; the processor is connected with the power consumption detection circuit to calculate the current power consumption of the mobile terminal according to the load voltage and the load current.
4. The system of claim 2, wherein when the processor detects that the current temperature of the mobile terminal is not greater than the preset temperature threshold or the mobile terminal does not start a high-power-consumption application, the processor further sends the battery power collected by the power meter to the charger, so that the second charging circuit of the charger dynamically adjusts the output current voltage level according to the battery power.
5. The system of claim 1, wherein the first USB interface and the second USB interface are Type-C interfaces; the first signal contact and the second signal contact are a group of corresponding D+/D-contacts or a group of corresponding CC1/CC2 contacts.
6. The system of claim 1, wherein the mobile terminal further comprises a communication module, the communication module being coupled to a processor, the processor being in communication with the control unit via the communication module when the mobile terminal is coupled to the charger.
7. The mobile terminal is characterized by comprising a processor, a battery, an electric load charging circuit and a power supply circuit, wherein the charging circuit and the power supply circuit are respectively connected with the electric load and the processor, and the charging circuit is also connected with the battery; the power supply circuit is used for directly supplying the electric energy obtained from the charger to the electric load, and the charging circuit is used for selectively supplying the electric energy of the battery to the electric load or converting the electric energy obtained from the charger into a current voltage level and then supplying the current voltage level to the electric load and the battery; the processor selects to receive the electric energy provided by the charger through the power supply circuit or the charging circuit;
the mobile terminal further comprises a coulometer and a thermometer, wherein the coulometer is connected with the battery to detect the voltage of the battery, the thermometer is used for detecting the temperature of the mobile terminal, and the processor is connected with the coulometer and the thermometer to control the output current voltage level of the charger and select to receive the electric energy provided by the charger through the power supply circuit or the charging circuit according to the detection data obtained from the coulometer and the thermometer;
the mobile terminal also comprises a USB interface, wherein the USB interface comprises a power supply contact and a signal contact; the power supply contact is connected with the power supply circuit and the charging circuit respectively;
when the mobile terminal is connected with the charger, a power supply contact of the USB interface of the mobile terminal is connected with a power supply contact of the USB interface of the charger, a signal contact of the USB interface of the mobile terminal is connected with a signal contact of the USB interface of the charger, and the processor is in communication connection with a control unit of the charger through the signal contact of the USB interface of the mobile terminal and the signal contact of the USB interface of the charger.
8. The charger is characterized by comprising a charging circuit, a power supply circuit, a control unit, a first switching element and a second switching element; when the charger is connected with a mobile terminal, the charging circuit is connected with the mobile terminal through the first switching element, the power supply circuit is connected with the mobile terminal through the second switching element, the control unit is in communication connection with the mobile terminal, and the control unit controls the first switching element and the second switching element according to signals sent by the mobile terminal; the output current voltage level of the power supply circuit is constant to be the rated working current voltage level of the power load; the output current voltage level of the charging circuit can be dynamically adjusted according to the electric quantity of the battery of the mobile terminal;
the charger also comprises a USB interface, wherein the USB interface comprises a power supply contact and a signal contact; the power supply circuit is connected with the power supply contact through the first switch element, and the charging circuit is connected with the power supply contact through the second switch element; when the charger is connected with the mobile terminal, a power supply contact of the USB interface of the charger is connected with a power supply contact of the USB interface of the mobile terminal, a signal contact of the USB interface of the charger is connected with a signal contact of the USB interface of the mobile terminal, and the control unit is in communication connection with the processor of the mobile terminal through the signal contact of the USB interface of the charger and the signal contact of the USB interface of the mobile terminal.
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| CN201810026164.XA CN107968469B (en) | 2018-01-11 | 2018-01-11 | Charging system, mobile terminal and charger |
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| CN201810026164.XA CN107968469B (en) | 2018-01-11 | 2018-01-11 | Charging system, mobile terminal and charger |
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| CN114069740B (en) * | 2020-07-31 | 2023-10-20 | 华为技术有限公司 | Charging method and electronic device |
| CN112886688B (en) * | 2021-04-12 | 2023-02-10 | 浦江绣龙智能科技有限公司 | TypeC interface circuit and TypeC interface device |
| CN114069771B (en) * | 2021-10-27 | 2024-03-12 | 北京小米移动软件有限公司 | Charging method, charging device, and storage medium |
| CN115871505B (en) * | 2023-02-23 | 2023-05-30 | 云南丁旺科技有限公司 | Power aggregation system |
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