CN112165140B - Charging and discharging control method and device and power supply equipment - Google Patents
Charging and discharging control method and device and power supply equipment Download PDFInfo
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- CN112165140B CN112165140B CN202011095351.7A CN202011095351A CN112165140B CN 112165140 B CN112165140 B CN 112165140B CN 202011095351 A CN202011095351 A CN 202011095351A CN 112165140 B CN112165140 B CN 112165140B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
- H02J7/007186—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage obtained with the battery disconnected from the charge or discharge circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application discloses a charge and discharge control method, a charge and discharge control device and power supply equipment, wherein the power supply equipment comprises: the battery is connected with the voltage boosting and reducing module and the voltage reducing module respectively; the first interface communication module is connected with the voltage boosting and reducing module through a first switch and connected with the voltage reducing module through a third switch; the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch; the first input end of the detection module is connected with the first interface communication module, and the second input end of the detection module is connected with the second interface communication module; and the first signal input end of the controller is connected with the first output end of the detection module, and the second signal input end of the controller is connected with the second output end of the detection module. The scheme can solve the problem that the existing power supply equipment can not realize quick charging under the condition that a plurality of devices discharge simultaneously.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a charging and discharging control method and device and power supply equipment.
Background
At present, the functions of the mobile phone are more and more powerful, the time for which the mobile phone is used is longer and longer, and the frequency of the used mobile phone is higher and higher; under the conditions that a mobile phone battery cannot be increased infinitely and the charge density of the battery cannot be improved, in order to solve the problem of low electric quantity caused by long-time use of a mobile phone, mobile phone manufacturers mostly adopt a quick charging method to quickly return blood and fully charge; in addition, in case of business trip or no charger at hand, the mobile phone manufacturer also gives corresponding measures: a large-capacity mobile power supply (commonly called a charger) is provided, and the mobile power supply is used for rapidly charging the mobile phone.
Specifically, the portable power source is mostly 2 USB interfaces or 3 interfaces, and following portable power source with 2 USB ports as an example, a Type _ a (Type a) port is the discharge port, charges consumer such as cell-phone, Pad, and a Type _ C (Type C) port charges or discharges portable power source (namely, the C port can both charge and discharge), and the usage scenario includes:
1, independently inserting a charger into the port C, and if the charger and the mobile power supply support quick charging, quickly charging the mobile power supply through the Type _ C by the mobile power supply at the moment (namely, the port C is connected with the power supply, and a charger is charged through the quick charging);
2, independently inserting the port A into the mobile phone, and if the mobile phone and the mobile power supply both support quick charging, quickly discharging the mobile phone by the mobile power supply through Type-A (namely, the port A is connected with the mobile phone and the mobile phone is charged through the quick charging);
3, C mouth inserts the charger, and A mouth inserts the cell-phone, and the entering is filled simultaneously and is put, in the process of realizing, the inventor finds that there is at least following problem in the prior art:
because the output voltage of the port A is connected with the input voltage of the port C, even if the charger, the mobile phone and the mobile power supply support quick charging (because the voltages are connected together), the mobile phone can only be subjected to common discharging (namely the port C is connected with the power supply, the port A is connected with the mobile phone, the charger is charged while the mobile phone is charged, specifically, the charger is the port C, the lines of the ports C at two ends are connected with the charger and the charger, and the mobile phone is only provided with the line of the port A, so that the line of the port A can be connected with the charger and the mobile phone to charge the mobile phone);
4, the mobile phone is inserted into both the port C and the port a, and as described in the same way as 3, the inventor finds that at least the following problems exist in the prior art in the process of realizing the charging scheme:
at the moment, the voltages of the A port and the C port are connected together, even if the mobile phone and the mobile power supply support quick charging, the mobile power supply can only carry out ordinary discharging on the mobile phone with the A port and the C port (namely, two devices are intelligently and ordinarily charged and cannot be quickly charged).
Therefore, when the conventional mobile power supply discharges a plurality of devices at the same time, the quick discharge function cannot be provided, the charging experience of a user is not facilitated, and the popularization of quick charging is also not facilitated.
Disclosure of Invention
The embodiment of the application aims to provide a charging and discharging control method and device and power supply equipment, and the problem that rapid charging cannot be achieved when the existing power supply equipment discharges a plurality of pieces of equipment simultaneously can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a power supply apparatus, including:
the battery is connected with the voltage boosting and reducing module and the voltage reducing module respectively;
the first interface communication module is connected with the voltage boosting and reducing module through a first switch, and the first interface communication module is connected with the voltage reducing module through a third switch;
the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch;
a first input end of the detection module is connected with the first interface communication module, and a second input end of the detection module is connected with the second interface communication module;
a first signal input end of the controller is connected with a first output end of the detection module, and a second signal input end of the controller is connected with a second output end of the detection module;
the first output end is an output end of the detection module corresponding to the first input end, and the second output end is an output end of the detection module corresponding to the second input end.
In a second aspect, an embodiment of the present application provides a charging and discharging control method, which is applied to the power supply device described above, and the method includes:
under the condition that the first interface communication module and the second interface communication module of the power supply device are connected with the electronic device, determining that one electronic device of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment;
controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path;
the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device;
the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device;
the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
In a third aspect, an embodiment of the present application provides a charge and discharge control device, which is applied to the above power supply apparatus, where the device includes:
the first determining module is used for determining that one electronic device in the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device under the condition that the first interface communication module and the second interface communication module of the power supply device are connected with the electronic devices; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment;
the first control module is used for controlling a first switch unit in a first connecting circuit to be closed and carrying out charging operation or discharging operation on the first electronic equipment by adopting a quick charging circuit; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path;
the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device;
the second connecting line is a connecting line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device;
the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
In a fourth aspect, embodiments of the present application provide a power supply apparatus, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, implement the steps of the method according to the second aspect.
In a fifth aspect, the present application provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the second aspect.
In a sixth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the second aspect.
In the embodiment of the present application, the power supply device includes: the battery is connected with the voltage boosting and reducing module and the voltage reducing module respectively; the first interface communication module is connected with the voltage boosting and reducing module through a first switch, and the first interface communication module is connected with the voltage reducing module through a third switch; the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch; the first input end of the detection module is connected with the first interface communication module, and the second input end of the detection module is connected with the second interface communication module; a first signal input end of the controller is connected with a first output end of the detection module, and a second signal input end of the controller is connected with a second output end of the detection module; the first output end is an output end of the detection module corresponding to the first input end, and the second output end is an output end of the detection module corresponding to the second input end; the device can support and realize that a plurality of devices adopt different paths for charging and discharging when charging and discharging are carried out on the plurality of devices, thereby realizing the purposes of carrying out quick charging on partial devices and carrying out non-quick charging on partial devices; the user experience is improved, and the problem that the existing power supply equipment cannot realize quick charging under the condition that a plurality of devices are discharged simultaneously is well solved.
Drawings
Fig. 1 is a schematic structural diagram of a power supply apparatus according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a charging and discharging control method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a specific implementation of the power supply device according to the embodiment of the present application;
fig. 4 is a schematic flow chart of a specific implementation of a charging and discharging control method according to an embodiment of the present application;
fig. 5 is a schematic structural view of a charge and discharge control device according to an embodiment of the present application;
FIG. 6 is a first schematic structural diagram of a power supply apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a power supply device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The charging and discharging control method, the charging and discharging control device, and the power supply device provided in the embodiments of the present application are described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
The power supply device provided in the embodiment of the present application, as shown in fig. 1, includes:
the battery 1 is connected with the voltage increasing and decreasing module 2 and the voltage decreasing module 3 respectively;
a first interface communication module 4, wherein the first interface communication module 4 is connected to the buck-boost module 2 through a first switch S1, and the first interface communication module 4 is connected to the buck-boost module 3 through a third switch S3;
a second interface communication module 5, wherein the second interface communication module 5 is connected to the buck-boost module 2 through a second switch S2, and the second interface communication module 5 is connected to the buck-boost module 3 through a fourth switch S4;
a first input end of the detection module 6 is connected with the first interface communication module 4, and a second input end of the detection module 6 is connected with the second interface communication module 5;
a first signal input end of the controller 7 is connected with a first output end of the detection module 6, and a second signal input end of the controller 7 is connected with a second output end of the detection module 6;
the first output end is an output end of the detection module 6 corresponding to the first input end, and the second output end is an output end of the detection module 6 corresponding to the second input end.
In this embodiment, the first interface communication module and the second interface communication module are both interface communication modules for charging and discharging. Of course, one of the modules may be an interface communication module for performing charging and discharging, and the other may be an interface communication module for performing discharging, which is not limited herein. This facilitates charging and discharging of the electronic device.
Further, the controller further includes: a first switch control signal output terminal, a second switch control signal output terminal, a third switch control signal output terminal, and a fourth switch control signal output terminal; the first switch control signal output end is connected with the control end of the first switch, the second switch control signal output end is connected with the control end of the second switch, the third switch control signal output end is connected with the control end of the third switch, and the fourth switch control signal output end is connected with the control end of the fourth switch. This facilitates control of the individual switches.
Further, the controller further includes: a first interface control signal output terminal and a second interface control signal output terminal; the first interface control signal output end is connected with the control end of the first interface communication module, and the second interface control signal output end is connected with the control end of the second interface communication module. This facilitates control of the respective interface communication modules.
The power supply device provided by the embodiment of the application comprises: the battery is connected with the voltage boosting and reducing module and the voltage reducing module respectively; the first interface communication module is connected with the voltage boosting and reducing module through a first switch, and the first interface communication module is connected with the voltage reducing module through a third switch; the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch; the first input end of the detection module is connected with the first interface communication module, and the second input end of the detection module is connected with the second interface communication module; a first signal input end of the controller is connected with a first output end of the detection module, and a second signal input end of the controller is connected with a second output end of the detection module; the first output end is an output end of the detection module corresponding to the first input end, and the second output end is an output end of the detection module corresponding to the second input end; the device can support and realize that a plurality of devices adopt different paths for charging and discharging when charging and discharging are carried out on the plurality of devices, thereby realizing the purposes of carrying out quick charging on partial devices and carrying out non-quick charging on partial devices; the user experience is improved, and the problem that the existing power supply equipment cannot realize quick charging under the condition that a plurality of devices are discharged simultaneously is well solved.
The charging and discharging control method provided in the embodiment of the present application is applied to the power supply device, and as shown in fig. 2, the method includes:
step 21: under the condition that the first interface communication module and the second interface communication module of the power supply device are connected with the electronic device, determining that one electronic device of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment.
The charging and discharging priority may be a priority determined according to a charging and discharging protocol, may also be a priority determined according to a time sequence of inserting the electronic device into the power supply device, and may also be a priority determined according to the charging and discharging protocol and the time sequence, which is not limited herein.
Step 22: controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path; the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device; the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device; the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
The fast charging path is a path with the current larger than or equal to the threshold value, and the non-fast charging path is a path with the current smaller than the threshold value.
Wherein the determining that one of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device includes: determining the charging and discharging priorities of the two connected electronic devices according to the charging and discharging protocol grade information of the two connected electronic devices or the time information of the two connected electronic devices connected with the power supply device; and determining one of the two connected electronic devices as a first electronic device and the other electronic devices except the first electronic device as second electronic devices according to the obtained charging and discharging priorities.
Specifically, the charging and discharging protocol level is high, and the corresponding charging and discharging level is high; if the charging and discharging protocol grades are the same, the charging and discharging grade of the electronic equipment connected with the power supply equipment at an earlier time is high; the electronic device connected to the power supply device at an earlier time may have a higher charge/discharge level; if the connection time with the power supply equipment is the same, the charging and discharging level of the electronic equipment with high charging and discharging protocol level is high.
This may make the determined first electronic device more suitable for practical needs.
In this embodiment of the application, in a case that the connection time between the second electronic device and the power device is earlier than the connection time between the first electronic device and the power device, the controlling of the second switch unit in the second connection line is closed, and the second electronic device is charged or discharged by using a non-fast charging path, including: controlling a third switch unit in a third connecting line to be opened, controlling a second switch unit in a second connecting line to be closed, and switching a path for performing charging operation or discharging operation on the second electronic equipment from a fast charging path to a non-fast charging path; the third connecting line is a connecting line between the interface communication module connected with the second electronic device and the buck-boost module; the third switch unit is a second switch or a first switch.
Namely, if the grade of the connected equipment is lower than that of the newly inserted equipment, the quick charging path of the connected equipment is disconnected, and the newly inserted equipment is charged and discharged by adopting the quick charging path.
Therefore, the method can be more fit with the actual requirements of the users.
Further, the method further comprises: and when the charging operation or the discharging operation of the first electronic equipment is completed, switching a path of the second electronic equipment for performing the charging operation or the discharging operation from a non-fast charging path to a corresponding fast charging path.
Thus, the method is more suitable for actual requirements, and resource waste caused by the fact that a quick charging passage is not used is avoided.
According to the charge and discharge control method provided by the embodiment of the application, under the condition that the first interface communication module and the second interface communication module of the power supply device are detected to be connected with the electronic devices, one electronic device of the two connected electronic devices is determined to be a first electronic device, and the other electronic device is determined to be a second electronic device; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment; controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path; the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device; the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device; the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; or, in the case that the first switch unit is a second switch, the second switch unit is a third switch; when a plurality of devices are charged and discharged, the devices can be charged and discharged by adopting different passages, so that the aims of quickly charging partial devices and not quickly charging partial devices are fulfilled; the user experience is improved, and the problem that the existing power supply equipment cannot realize quick charging under the condition that a plurality of devices are discharged simultaneously is well solved.
The following further illustrates the power supply device and the charging and discharging control method provided in the embodiment of the present application, where the first interface communication module is exemplified by Type _ C and the second interface communication module is exemplified by Type _ a, the voltage step-up/step-down module is hereinafter referred to as a voltage step-up circuit (Buck/Boost circuit), the voltage step-down module is hereinafter referred to as a voltage step-down circuit (Buck circuit), the switch between Type _ C and the Buck/Boost circuit is a first switch S1, the signal input by the controller to the first switch S1 is K1, the switch between Type _ C and the Buck circuit is a third switch S3, the signal input by the controller to the third switch S3 is K3, the switch between Type _ a and the Buck/Boost circuit is a second switch S2, the signal input by the controller to the second switch S2 is K2, the switch between Type _ a and the Buck circuit is a fourth switch S4, and the signal input by the controller to the fourth switch S4 is K4, a signal input to Type _ C by the controller is called a signal C, and a signal input to Type _ A by the controller is called a signal A; the two electronic devices are exemplified by 2 mobile phones.
In view of the above technical problems, an embodiment of the present application provides a power supply device, which can be implemented as an intelligent discharging mobile power supply, and on the basis of a conventional mobile power supply, 1 discharging loop is added, and the discharging loop is switched according to different charging scenes, so as to implement a function of quickly charging 2 mobile phones. Through the improvement of this scheme, can improve user's the experience of charging.
Specifically, the (circuit) configuration of the power supply device may be as shown in fig. 3 (GPIO 1 indicates the first switch control signal output terminal, GPIO2 indicates the second switch control signal output terminal, GPIO3 indicates the third switch control signal output terminal, GPIO4 indicates the fourth switch control signal output terminal, GPIO5 indicates the first signal input terminal, GPIO6 indicates the second signal input terminal, Comm _ C indicates the first interface control signal output terminal, Comm _ a indicates the second interface control signal output terminal in fig. 3),
the power supply device includes: a power conversion circuit: a Buck circuit (a voltage reduction circuit) and a Buck/Boost circuit (a voltage reduction circuit), a load insertion detection module of an a port and a C port (namely, the detection module), a communication module (namely, Type _ C and Type _ a) and a switch control module (namely, the detection modules from S1 to S4); wherein:
the Buck/Boost module is specifically used for: if the voltage of the input port is higher than the voltage of the battery, the Buck module works to charge the battery; if the voltage of the output port is higher than the voltage of the battery, the Boost mode works to discharge the mobile phone (namely, charge the mobile phone); that is, whether the mobile power supply is charged or discharged is controlled by detecting the voltage of the port a or the port C, and the mobile power supply is charged when the voltage is greater than the voltage of the battery; in the case where the voltage is less than the battery voltage, discharge occurs.
The load insertion detection module is specifically configured to: when the mobile phone is inserted, the mobile phone insertion is detected, the controller is informed of the mobile phone insertion through interruption, and the controller is awakened to control the discharge of the mobile phone;
the communication module specifically comprises: a quick charging communication module of the mobile power supply and the charger or the mobile phone;
the switch control module is specifically used for: and the logic switching of quick charging or quick discharging is realized.
In the present scheme, as for the single charging or the single discharging by using one interface communication module, a conventional method may be used, and a scene in which 2 inserted mobile phones all request fast charging is only illustrated below, and specific charging scenes of the 2 mobile phones include various scenes shown in table 1 below:
table 12 scenario for requesting fast charging for all mobile phones
Specifically, with reference to fig. 3, a specific implementation flow of the present solution for a common dual-port simultaneous playing scenario is as follows:
firstly, a mobile phone is inserted into an a port (i.e., an interface corresponding to the Type _ a) and then inserted into a C port (i.e., an interface corresponding to the Type _ C) (i.e., both interfaces are connected with an electronic device to charge the electronic device):
1. in a default state, the switches S1, S2, S3, and S4 are all disconnected, and the mobile power supply (specifically, the load insertion detection module) detects that a load is inserted into the port a, and closes S2;
2. communicating with the mobile phone through the Type _ A, and identifying the mobile phone as a protocol 1;
3. the controller controls the Buck/Boost circuit, and the A-port mobile phone is quickly discharged through the battery (namely, the mobile phone is quickly charged, namely, the quick charging channel is adopted for charging);
4. in-process of putting soon, it has the equipment to insert to detect out that C mouthful to what access is the cell-phone, portable power source communicates through Type _ C and C mouthful cell-phone this moment, recognizes the agreement of C mouthful cell-phone:
(1) if the priority of the port C protocol is the same as that of the port A mobile phone protocol: the port A continues to be quickly released (namely S2 is still closed), S3 is closed, and the port C mobile phone is normally charged through the Buck circuit (namely the non-quick charging path is adopted for charging);
(2) if the priority of the port C protocol is lower than that of the port A mobile phone protocol: the port A continues to be quickly released (namely S2 is still closed), S3 is closed, and the port C mobile phone is normally charged through a Buck circuit;
(3) if the priority of the port C protocol is higher than that of the port A mobile phone protocol: disconnecting S2 and resetting the quick charging system of the port A; meanwhile, S1 is closed, a quick charging connection is established with the C-port mobile phone through Type _ C, and the mobile power supply controls Buck/Boost to quickly discharge the C-port mobile phone; closing S4, and carrying out ordinary discharge on the A-port mobile phone;
5. after the mobile phone is fully charged (for example, the protocol of the mobile phone at the A port is higher), turning off S2 and S3; closing S1 to quickly release the C-port mobile phone;
6. and after the C-port mobile phone is full, turning off S1.
Secondly, the port C is inserted into the mobile phone first, and the port A is inserted into the mobile phone again:
1. in a default state, the switches S1, S2, S3 and S4 are all disconnected, and the mobile power supply detects that a load is inserted into the port C and closes S1;
2. communicating with the mobile phone through the Type _ C to identify that the mobile phone is a protocol 1;
3. the controller controls the Buck/Boost circuit, and the C-port mobile phone is quickly discharged through the battery (namely, the mobile phone is quickly charged, namely, the quick charging channel is adopted for charging);
4. in the process of quick release, it has equipment to insert to detect out that A mouthful has the cell-phone to what detect out to insert, portable power source communicates through Type _ A and A mouthful cell-phone this moment, recognizes the agreement of A mouthful cell-phone:
(1) if the priority of the protocol A is the same as that of the protocol C, S4 is closed (namely the protocol C continues to perform fast discharge), and normal discharge is performed on the protocol A through Buck;
(2) if the priority of the A protocol is lower than that of the C port protocol, S4 is closed (namely the C port continues to perform fast discharge), and normal discharge is performed on the A port through Buck;
(3) if the priority of the A protocol is higher than that of the C port protocol, S1 is disconnected, and the quick charging protocol of the C port is reset; closing S2, and rapidly discharging the mobile power supply through the type _ A and the A-port mobile phone; closing S3, and carrying out common discharge on the port C through Buck;
5. after the mobile phone is fully charged (for example, the protocol of the mobile phone at the port C is higher), turning off S1 and S4; closing S2 to quickly release the A-port mobile phone;
6. and after the A mobile phone is full, turning off S2.
Specifically, the overall implementation flow of the present solution may also be as shown in fig. 4, where: "closed S3" in the figure indicates closed S3 and maintains S2 closed; "closed S4" means closed S4 and maintains S1 closed; the "normal discharge" in the figure is the above-mentioned normal discharge, and the mobile phone is normally charged. The "quick discharge" is the above-mentioned quick discharge, and the mobile phone is quickly charged.
Specifically, the method comprises the following steps: the ports A, C can not be inserted simultaneously, even if the ports are inserted simultaneously, the scheme can firstly carry out quick charging identification on the port C by taking the port C as the priority and then judge the quick charging type of the port A;
2. in the scheme, the original charging sequence can be interrupted only by a protocol with high priority, and the equipment with low or same priority can enter the quick charging only after the equipment with high priority is fully charged;
3. the full determination condition may be: the current of the port is detected to be lower than a preset value, but not limited to this.
According to the scheme, the mobile phone with the high priority protocol can be charged quickly, and after the mobile phone with the high priority protocol is fully charged, another mobile phone is charged quickly; through the implementation of this scheme, to portable power source double port with put the condition, promoted user's the experience of charging, strengthened the popularization of the agreement of filling soon.
Here, the present solution is not limited to: the charging system of the mobile phone and the mobile power supply is also suitable for other quick discharging systems needing simultaneous discharging.
In the charge and discharge control method provided in the embodiment of the present application, the execution main body may be a charge and discharge control device, or a control module in the charge and discharge control device for executing the charge and discharge control method. In the embodiment of the present application, a method for executing charge and discharge control by a charge and discharge control device is taken as an example, and the charge and discharge control device provided in the embodiment of the present application is described.
An embodiment of the present application further provides a charge and discharge control device, which is applied to the power supply apparatus described above, and as shown in fig. 5, the device includes:
a first determining module 51, configured to determine that one of two connected electronic devices is a first electronic device and the other electronic device is a second electronic device when it is detected that both the first interface communication module and the second interface communication module of the power supply device are connected to the electronic devices; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment;
the first control module 52 is configured to control a first switch unit in a first connection line to be turned on, and perform charging operation or discharging operation on the first electronic device through a fast charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path;
the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device;
the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device;
the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
Wherein the first determining module comprises: the first determining submodule is used for determining the charging and discharging priorities of the two connected electronic devices according to the charging and discharging protocol grade information of the two connected electronic devices or the time information of the two connected electronic devices connected with the power supply device; and the second determining submodule is used for determining one of the two connected electronic devices as a first electronic device and the other electronic devices except the first electronic device as second electronic devices according to the obtained charging and discharging priority.
In an embodiment of the application, in a case that a connection time between the second electronic device and the power supply device is earlier than a connection time between the first electronic device and the power supply device, the first control module includes: the first control submodule is used for controlling a third switch unit in the third connecting line to be switched off, controlling a second switch unit in the second connecting line to be switched on, and switching a path for performing charging operation or discharging operation on the second electronic equipment from a fast charging path to a non-fast charging path; the third connecting line is a connecting line between the interface communication module connected with the second electronic device and the buck-boost module; the third switch unit is a second switch or a first switch.
Further, the apparatus further comprises: the first switching module is used for switching a path of the second electronic equipment for charging operation or discharging operation from a non-fast charging path to a corresponding fast charging path when the charging operation or the discharging operation of the first electronic equipment is completed.
The charging and discharging control device provided by the embodiment of the application determines that one electronic device of two connected electronic devices is a first electronic device and the other electronic device is a second electronic device by detecting that a first interface communication module and a second interface communication module of the power supply device are both connected with the electronic devices; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment; controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting line to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path; the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device; the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device; the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; or, in the case that the first switch unit is a second switch, the second switch unit is a third switch; when charging and discharging are carried out on a plurality of devices, the plurality of devices can adopt different paths for charging and discharging, so that the purposes of quickly charging some devices and not quickly charging some devices are achieved; the user experience is improved, and the problem that the existing power supply equipment cannot realize quick charging under the condition that a plurality of devices are discharged simultaneously is well solved.
The charge/discharge control device in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine or a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The charge/discharge control device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The charge and discharge control device provided in the embodiment of the present application can implement each process implemented by the method embodiments of fig. 2 and fig. 4, and is not described here again to avoid repetition.
Optionally, as shown in fig. 6, an embodiment of the present application further provides a power supply device 60, which includes a processor 61, a memory 62, and a program or an instruction stored in the memory 62 and capable of being executed on the processor 61, where the program or the instruction is executed by the processor 61 to implement each process of the above charging and discharging control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
It should be noted that the power supply device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
Fig. 7 is a schematic hardware configuration diagram of a power supply device implementing an embodiment of the present application.
The power supply device 70 includes, but is not limited to: radio frequency unit 71, network module 72, audio output unit 73, input unit 74, sensor 75, display unit 76, user input unit 77, interface unit 78, memory 79, and processor 710.
Those skilled in the art will appreciate that the power device 70 may further comprise a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 710 via a power management system, so as to implement functions of managing charging, discharging, and power consumption via the power management system. The power supply device configuration shown in fig. 7 does not constitute a limitation of the power supply device, and the power supply device may include more or less components than those shown, or combine some components, or arrange different components, and will not be described again.
The processor 710 is configured to determine that one of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device, when it is detected that both the first interface communication module and the second interface communication module of the power supply device are connected to the electronic devices; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment; controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path; the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device; the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device; the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
In the embodiment of the application, under the condition that the first interface communication module and the second interface communication module of the power supply device are both connected with the electronic device, one electronic device of the two connected electronic devices is determined to be the first electronic device, and the other electronic device is determined to be the second electronic device; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment; controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path; the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device; the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device; the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; or, in the case that the first switch unit is a second switch, the second switch unit is a third switch; when charging and discharging are carried out on a plurality of devices, the plurality of devices can adopt different paths for charging and discharging, so that the purposes of quickly charging some devices and not quickly charging some devices are achieved; the user experience is improved, and the problem that the existing power supply equipment cannot realize quick charging under the condition that a plurality of devices are discharged simultaneously is well solved.
Optionally, the processor 710 is specifically configured to determine charging and discharging priorities of the two connected electronic devices according to charging and discharging protocol level information of the two connected electronic devices, or according to time information of connection between the two connected electronic devices and the power supply device; and determining one of the two connected electronic devices as a first electronic device and the other electronic devices except the first electronic device as second electronic devices according to the obtained charging and discharging priority.
Optionally, the processor 710 is specifically configured to, when the connection time between the second electronic device and the power supply device is earlier than the connection time between the first electronic device and the power supply device, control a third switch unit in a third connection line to be opened, and control a second switch unit in a second connection line to be closed, and a path for performing a charging operation or a discharging operation on the second electronic device is switched from a fast charging path to a non-fast charging path; the third connecting line is a connecting line between the interface communication module connected with the second electronic device and the buck-boost module; the third switch unit is a second switch or a first switch.
Optionally, the processor 710 is further configured to switch a path of the second electronic device for performing the charging operation or the discharging operation from a non-fast charging path to a corresponding fast charging path when the charging operation or the discharging operation of the first electronic device is completed.
According to the scheme, the mobile phone with the high priority protocol can be charged quickly, and after the mobile phone with the high priority protocol is fully charged, another mobile phone is charged quickly; through the implementation of this scheme, to portable power source double port with putting the condition, promoted user's the experience of charging, strengthened the popularization of the agreement of filling soon.
It should be understood that, in the embodiment of the present application, the input Unit 74 may include a Graphics Processing Unit (GPU) 741 and a microphone 742, and the Graphics Processing Unit 741 processes image data of a still picture or a video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 76 may include a display panel 761, and the display panel 761 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 77 includes a touch panel 771 and other input devices 772. A touch panel 771 also referred to as a touch screen. The touch panel 771 may include two parts of a touch detection device and a touch controller. Other input devices 772 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein. Memory 79 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. Processor 710 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above charging and discharging control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the power supply device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement each process of the above charging and discharging control method embodiment, and can achieve the same technical effect, and is not repeated here to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (13)
1.A charging and discharging control method is applied to power supply equipment, and the power supply equipment comprises the following steps:
the battery is connected with the voltage increasing and decreasing module and the voltage decreasing module respectively;
the first interface communication module is connected with the voltage boosting and reducing module through a first switch, and the first interface communication module is connected with the voltage reducing module through a third switch;
the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch;
the first input end of the detection module is connected with the first interface communication module, and the second input end of the detection module is connected with the second interface communication module;
a first signal input end of the controller is connected with a first output end of the detection module, and a second signal input end of the controller is connected with a second output end of the detection module;
the first output end is an output end of the detection module corresponding to the first input end, and the second output end is an output end of the detection module corresponding to the second input end;
the method comprises the following steps:
under the condition that the first interface communication module and the second interface communication module of the power supply device are connected with the electronic device, determining that one electronic device of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment;
controlling a first switch unit in a first connecting line to be closed, and performing charging operation or discharging operation on the first electronic equipment by adopting a quick charging path; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path;
the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device;
the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device;
the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
2. The charge and discharge control method according to claim 1, wherein the first interface communication module and the second interface communication module are both interface communication modules that perform charge and discharge.
3. The charge-discharge control method according to claim 1, wherein the controller further includes: a first switch control signal output terminal, a second switch control signal output terminal, a third switch control signal output terminal, and a fourth switch control signal output terminal;
the first switch control signal output end is connected with the control end of the first switch, the second switch control signal output end is connected with the control end of the second switch, the third switch control signal output end is connected with the control end of the third switch, and the fourth switch control signal output end is connected with the control end of the fourth switch.
4. The charge-discharge control method according to claim 1, wherein the controller further includes: a first interface control signal output terminal and a second interface control signal output terminal;
the first interface control signal output end is connected with the control end of the first interface communication module, and the second interface control signal output end is connected with the control end of the second interface communication module.
5. The charge and discharge control method according to claim 1, wherein the determination that one of the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device includes:
determining the charging and discharging priorities of the two connected electronic devices according to the charging and discharging protocol grade information of the two connected electronic devices or the time information of the two connected electronic devices connected with the power supply device;
and determining one of the two connected electronic devices as a first electronic device and the other electronic devices except the first electronic device as second electronic devices according to the obtained charging and discharging priority.
6. The charging and discharging control method according to claim 1, wherein in a case where a connection time of the second electronic device with the power supply device is earlier than a connection time of the first electronic device with the power supply device, the controlling of closing a second switch unit in a second connection line to perform a charging operation or a discharging operation on the second electronic device using a non-fast charging path includes:
controlling a third switch unit in a third connecting line to be switched off, controlling a second switch unit in a second connecting line to be switched on, and switching a path for performing charging operation or discharging operation on the second electronic equipment from a fast charging path to a non-fast charging path;
the third connecting line is a connecting line between the interface communication module connected with the second electronic device and the buck-boost module;
the third switch unit is a second switch or a first switch.
7. The charge-discharge control method according to claim 1, characterized by further comprising:
and when the charging operation or the discharging operation of the first electronic equipment is completed, switching a path of the second electronic equipment for performing the charging operation or the discharging operation from a non-fast charging path to a corresponding fast charging path.
8. A charge-discharge control device applied to power supply equipment is characterized in that,
the power supply apparatus includes:
the battery is connected with the voltage boosting and reducing module and the voltage reducing module respectively;
the first interface communication module is connected with the voltage boosting and reducing module through a first switch, and the first interface communication module is connected with the voltage reducing module through a third switch;
the second interface communication module is connected with the voltage boosting and reducing module through a second switch and connected with the voltage reducing module through a fourth switch;
the first input end of the detection module is connected with the first interface communication module, and the second input end of the detection module is connected with the second interface communication module;
a first signal input end of the controller is connected with a first output end of the detection module, and a second signal input end of the controller is connected with a second output end of the detection module;
the first output end is an output end of the detection module corresponding to the first input end, and the second output end is an output end of the detection module corresponding to the second input end;
the device comprises:
the first determining module is used for determining that one electronic device in the two connected electronic devices is a first electronic device and the other electronic device is a second electronic device under the condition that the first interface communication module and the second interface communication module of the power supply device are connected with the electronic devices; the charging and discharging priority of the first electronic equipment is higher than that of the second electronic equipment;
the first control module is used for controlling a first switch unit in a first connecting circuit to be closed and carrying out charging operation or discharging operation on the first electronic equipment by adopting a quick charging circuit; controlling a second switch unit in a second connecting circuit to be closed, and performing charging operation or discharging operation on the second electronic equipment by adopting a non-quick charging path;
the first connecting circuit is a connecting circuit between an interface communication module connected with the first electronic device and a buck-boost module of the power supply device;
the second connection line is a connection line between the interface communication module connected to the second electronic device and the voltage reduction module of the power supply device;
the second switch unit is a fourth switch under the condition that the first switch unit is a first switch; alternatively, when the first switching unit is a second switch, the second switching unit is a third switch.
9. The charge and discharge control device according to claim 8, wherein the first determination module includes:
the first determining submodule is used for determining the charging and discharging priorities of the two connected electronic devices according to the charging and discharging protocol grade information of the two connected electronic devices or the time information of the two connected electronic devices connected with the power supply device;
and the second determining submodule is used for determining one of the two connected electronic devices as a first electronic device and the other electronic devices except the first electronic device as second electronic devices according to the obtained charging and discharging priority.
10. The charge and discharge control device according to claim 8, wherein the first control module, in a case where a connection time of the second electronic device with the power supply device is earlier than a connection time of the first electronic device with the power supply device, includes:
the first control submodule is used for controlling a third switch unit in the third connecting line to be switched off, controlling a second switch unit in the second connecting line to be switched on, and switching a path for performing charging operation or discharging operation on the second electronic equipment from a fast charging path to a non-fast charging path;
the third connecting line is a connecting line between the interface communication module connected with the second electronic device and the buck-boost module;
the third switch unit is a second switch or a first switch.
11. The charge and discharge control device according to claim 8, characterized by further comprising:
the first switching module is used for switching a path of the second electronic equipment for charging operation or discharging operation from a non-fast charging path to a corresponding fast charging path when the charging operation or the discharging operation of the first electronic equipment is completed.
12. A power supply device comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the charge and discharge control method according to any one of claims 1 to 7.
13. A readable storage medium, characterized in that the readable storage medium stores thereon a program or instructions which, when executed by a processor, implement the steps of the charge and discharge control method according to any one of claims 1 to 7.
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| USD1005350S1 (en) | 2021-01-05 | 2023-11-21 | Khalil Badawi | Solar power plant |
| USD999262S1 (en) | 2021-01-05 | 2023-09-19 | Khalil Badawi | Solar power plant |
| CN114243871B (en) * | 2022-02-28 | 2022-07-22 | 荣耀终端有限公司 | Charging and discharging circuit, electronic equipment and electronic system |
| CN116150071A (en) * | 2023-04-17 | 2023-05-23 | 苏州水芯电子科技有限公司 | Circuit control method and device for multi-C-port single PHY (physical layer) |
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| CN110518677A (en) * | 2019-07-03 | 2019-11-29 | 华乙电信控股(深圳)有限公司 | The porous output charging method of one kind and power supply adaptor |
| CN110601326A (en) * | 2019-09-27 | 2019-12-20 | 深圳市绿联科技有限公司 | Double-path intelligent quick-charging adaptive device and charging management method thereof |
| CN110880805A (en) * | 2019-12-19 | 2020-03-13 | 维沃移动通信有限公司 | Charging device and control method |
| CN210839023U (en) * | 2019-12-19 | 2020-06-23 | 深圳曜佳信息技术有限公司 | Mobile power supply charging and discharging circuit |
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