CN107204646B - Charging control equipment and charging control method - Google Patents
Charging control equipment and charging control method Download PDFInfo
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- CN107204646B CN107204646B CN201710433774.7A CN201710433774A CN107204646B CN 107204646 B CN107204646 B CN 107204646B CN 201710433774 A CN201710433774 A CN 201710433774A CN 107204646 B CN107204646 B CN 107204646B
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- 238000001514 detection method Methods 0.000 claims description 10
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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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- H02J7/0021—
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- H02J7/0077—
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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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a charging control device, which at least comprises the following interfaces: the device comprises a first interface, a second interface and a power supply interface; further comprising: a controller; the first interface is used for connecting a first mobile phone; the second interface is used for connecting a second mobile phone; the first interface and the second interface are interconnected through a universal serial bus, so that the first mobile phone and the second mobile phone are interconnected to realize screen expansion; the power interface is used for connecting a power supply; the controller is used for charging the first mobile phone or the second mobile phone by using the power supply. When the dual-screen interconnection expansion of the two mobile phones is realized, the charging can still be carried out, so that the dual-screen interconnection expansion is prevented from being influenced when one or two mobile phones are out of power.
Description
Technical Field
The invention relates to the technical field of mobile equipment charging, in particular to charging control equipment and a charging control method.
Background
At present, when the dual-screen interconnection expansion between two mobile phones is realized, the two mobile phones are connected with each other through a Power transmission (PD) line, a dedicated data communication link is required for communication handshake, and the method is not yet popularized and has high cost.
When the PD is used to connect two mobile phones, the communication direction and the charging direction must be the same, and the reverse situation is not allowed, for example, when the mobile phone a charges the mobile phone B, only the mobile phone a can transmit data to the mobile phone B.
For example, for the interconnection of the mobile phone a and the mobile phone B, the mobile phone a controls the mobile phone B to display the required content, i.e., to realize the screen expansion. However, at this time, both the mobile phone a and the mobile phone B occupy the charging interface, when one or both of the mobile phones is powered off, the mobile phones cannot be charged, and only by stopping the interconnection between the mobile phone a and the mobile phone B and releasing the charging interface of the mobile phones, the mobile phones can be charged by using the charger or the charger.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a charging control device and a charging control method, which can charge two mobile phones when the two mobile phones are subjected to double-screen interconnection expansion.
The embodiment of the invention provides a charging control device, which at least comprises the following interfaces: the device comprises a first interface, a second interface and a power supply interface; further comprising: a controller;
the first interface is used for connecting a first mobile phone;
the second interface is used for connecting a second mobile phone;
the first interface and the second interface are interconnected through a universal serial bus, so that the first mobile phone and the second mobile phone are interconnected to realize screen expansion;
the power interface is used for connecting a power supply;
the controller is used for charging the first mobile phone or the second mobile phone by using the power supply.
Preferably, the method further comprises the following steps: an electric quantity detection circuit;
the electric quantity detection circuit is used for periodically detecting the electric quantity of the first mobile phone and the electric quantity of the second mobile phone;
the controller is used for judging whether the electric quantity of the first mobile phone is larger than that of the second mobile phone, if so, the second mobile phone is charged by the power supply, and if not, the first mobile phone is charged by the power supply.
Preferably, the controller is further configured to set the first mobile phone as a master mobile phone and the second mobile phone as a slave mobile phone when it is determined that the electric quantity of the first mobile phone is greater than the electric quantity of the second mobile phone; and when the electric quantity of the second mobile phone is judged to be larger than that of the first mobile phone, setting the second mobile phone as a master mobile phone, and setting the first mobile phone as a slave mobile phone.
Preferably, the master mobile phone controls the display content of the slave mobile phone through the universal serial bus.
Preferably, the controller is further configured to control the master mobile phone to charge the slave mobile phone when detecting that the power interface is not connected to a power supply.
Preferably, the charging control circuit is connected with the power interface;
the controller is used for controlling the current of the charging control circuit to flow to the first interface when the first mobile phone is charged by the power supply; and when the power supply is used for charging the second mobile phone, controlling the current of the charging control circuit to flow to the second interface.
Preferably, the power supply is a power supply adapter connected with a power supply, a battery or a charger.
Preferably, the first interface and the second interface are both Type-c interfaces.
Preferably, the method further comprises the following steps: an electric quantity reading comparison circuit;
the electric quantity reading and comparing circuit is used for periodically reading the electric quantity of the first mobile phone and the electric quantity of the second mobile phone, comparing the electric quantity of the first mobile phone with the electric quantity of the second mobile phone and sending a comparison result to the controller;
the controller is used for charging the second mobile phone by using the power supply when the electric quantity of the first mobile phone is larger than that of the second mobile phone; and when the electric quantity of the first mobile phone is less than or equal to the electric quantity of the second mobile phone, the first mobile phone is charged by using the power supply.
The embodiment of the invention provides a charging control method, which is applied to charging control equipment and comprises the following steps:
detecting that the first interface and the second interface have mobile phone access and the power interface has power access,
periodically detecting the electric quantity of a first mobile phone connected with the first interface and the electric quantity of a second mobile phone connected with the second interface;
judging whether the electric quantity of the first mobile phone is larger than that of the second mobile phone;
if yes, the second mobile phone is charged by the power supply, and if not, the first mobile phone is charged by the power supply.
Preferably, the method further comprises the following steps:
when the first interface and the second interface are detected to have mobile phone access and the power interface does not have power access, the mobile phone with high electric quantity is set as a master mobile phone, the mobile phone with low electric quantity is set as a slave mobile phone, and the master mobile phone is controlled to charge the slave mobile phone until the electric quantities of the master mobile phone and the slave mobile phone are balanced.
Compared with the prior art, the invention has at least the following advantages:
the controller can control a power supply connected with the power supply interface to charge the first mobile phone or the second mobile phone, and the first interface and the second interface are interconnected through the USB, so that the first mobile phone and the second mobile phone can realize double-screen interconnection expansion through the USB, and do not occupy a charging interface of the mobile phone, so that the first mobile phone or the second mobile phone is not charged by the power supply. Therefore, when the dual-screen interconnection of the two mobile phones is expanded, the two mobile phones can still be charged, and the dual-screen interconnection expansion is prevented from being influenced when one or two mobile phones are out of power.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a charging control apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second embodiment of a charging control apparatus according to the present invention;
fig. 3 is a flowchart of a charging control method according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1, a schematic diagram of a charging control apparatus according to an embodiment of the present invention is shown.
The charging control device provided by this embodiment at least includes the following interfaces: a first interface 100, a second interface 200, and a power interface 300; further comprising: a controller 400;
the first interface 100 is used for connecting a first mobile phone;
the second interface 200 is used for connecting a second mobile phone;
the first interface and the second interface are interconnected through a Universal Serial Bus (USB) so that the first mobile phone and the second mobile phone are interconnected to realize screen expansion;
it should be noted that the first interface 100 and the second interface 200 are not different, and may be two identical interfaces. The first handset and the second handset are only relative concepts, and for convenience of description, as long as the interfaces of the handsets are matched with the first interface and the second interface, the first interface 100 or the second interface 200 can be arbitrarily selected to be accessed.
For example, the first interface 100 and the second interface 200 support a Type-C interface protocol, so that any mobile phone having a Type-C interface can be connected to the first interface 100 or the second interface 200.
The charging control device provided by the embodiment has no requirement on the mobile phone and does not need the mobile phone to support the PD.
The power interface 300 is used for connecting a power supply;
it is understood that the power source here may be a charger or a battery, or may be a power adapter connected to the commercial power.
The controller 400 is configured to charge the first mobile phone or the second mobile phone using the power supply.
It can be understood that the controller 400 can control the power supply connected to the power supply interface 300 to charge the first mobile phone or the second mobile phone, and since the first interface and the second interface are interconnected through the USB, the first mobile phone and the second mobile phone can realize dual-screen interconnection expansion through the USB, and do not occupy the charging interface of the mobile phone, so that the charging of the first mobile phone or the second mobile phone by the power supply is not affected. Therefore, when the dual-screen interconnection of the two mobile phones is expanded, the two mobile phones can still be charged, and the dual-screen interconnection expansion is prevented from being influenced when one or two mobile phones are out of power.
Referring to fig. 2, the second embodiment of the charging control apparatus according to the present invention is schematically illustrated.
The charging control apparatus provided in this embodiment further includes: a power detection circuit 500;
the power detection circuit 500 is configured to periodically detect a power of the first mobile phone and a power of the second mobile phone;
the electric quantity detection circuit can be periodically communicated with the first mobile phone and the second mobile phone, and sends electric quantity reading requests to the first mobile phone and the second mobile phone, the first mobile phone informs the electric quantity detection circuit of the electric quantity of the first mobile phone, and the second mobile phone informs the electric quantity detection circuit of the electric quantity of the second mobile phone.
The controller 400 is configured to determine whether the electric quantity of the first mobile phone is greater than the electric quantity of the second mobile phone, charge the second mobile phone using the power supply if the electric quantity of the first mobile phone is greater than the electric quantity of the second mobile phone, and charge the first mobile phone using the power supply if the electric quantity of the first mobile phone is not greater than the electric quantity of the second mobile phone.
In this embodiment, the controller 400 controls the power supply to charge the mobile phone with lower electric quantity first, and when the electric quantity of the charged mobile phone is higher than that of the uncharged mobile phone, the uncharged mobile phone is charged alternately. Since the power detection circuit 500 periodically detects the power of the first mobile phone and the second mobile phone, for example, detects the power of the two mobile phones once every 2 minutes, the power is controlled to charge the mobile phone with low power. The specific size of the period can be set according to actual needs, and for example, the electric quantity of two mobile phones can be detected every 5 minutes.
The charging control device provided by the embodiment can charge the two mobile phones in turn until the electric quantity of the two mobile phones is full.
The charging control equipment comprises three interfaces, wherein the two interfaces are respectively connected with the two mobile phones, the other interface is a power interface and can be connected with an external power supply, and the two mobile phones are charged by utilizing the power supply. And a USB channel is arranged between the first interface and the second interface inside the charging control equipment.
In addition, the controller 400 is further configured to set the first mobile phone as a master mobile phone and set the second mobile phone as a slave mobile phone when determining that the electric quantity of the first mobile phone is greater than the electric quantity of the second mobile phone; and when the electric quantity of the second mobile phone is judged to be larger than that of the first mobile phone, setting the second mobile phone as a master mobile phone, and setting the first mobile phone as a slave mobile phone.
It will be appreciated that the master and slave handsets are relative concepts and may be set according to other parameters besides power. The master handset can control the slave handset.
For example, the master mobile phone controls the display content of the slave mobile phone through the universal serial bus. When two mobile phones realize dual-screen interconnection expansion through a USB, one mobile phone is required to control the other mobile phone to display contents required to be displayed, for example, a master mobile phone controls a slave mobile phone to display the same contents as the master mobile phone.
In addition, in the charging control device provided in this embodiment, the controller 400 is further configured to control the master mobile phone to charge the slave mobile phone when detecting that the power interface 300 is not connected to a power supply.
That is, in this embodiment, when the power interface 300 has no power access, the controller 400 may control one mobile phone to charge another mobile phone. Generally, the mobile phone with high electric quantity is controlled to charge the mobile phone with low electric quantity, the control logic of charging can be to periodically detect the electric quantities of the two mobile phones and control the mobile phone with high electric quantity to charge the mobile phone with low electric quantity until the electric quantities of the two mobile phones reach balance.
In this embodiment, the charging control circuit 600 is further included and connected to the power interface 300;
the controller 400 is configured to control a current of the charging control circuit 600 to flow to the first interface 100 when the first mobile phone is charged by the power supply; when the second handset is charged by the power supply, the current of the charging control circuit 600 is controlled to flow to the second interface 200.
It is understood that, in particular, the charging control circuit 600 may be implemented by a switch circuit, and controls the on or off of the current path of the first interface by controlling the state of the switch, and similarly, controls the on or off of the current path of the second interface.
In addition, the charging control device provided in this embodiment may further include an indicator light circuit, where the indicator light circuit may include a plurality of indicator lights, for example, the first interface corresponds to the first indicator light, the second interface corresponds to the second indicator light, and the power interface corresponds to the third indicator light. When the first mobile phone is charged, the indicator light corresponding to the first interface is on. When the second mobile phone is charged, the indicator light corresponding to the second interface is turned on. When an external power supply is connected to the power supply interface, the indicator lamp corresponding to the power supply interface is on.
In addition, the indicator lights may also be in different colors to indicate different states, for example, when the indicator light corresponding to the first interface is red, it indicates that the first mobile phone is being charged, and when the indicator light corresponding to the first interface is green, it indicates that the first mobile phone is fully charged.
The charging control device provided by the above embodiment of the invention is equivalent to a charging control platform, can charge two mobile phones at the same time, and can also perform double-screen interconnection expansion on the two mobile phones. Moreover, all the control is completed by the charging control equipment, the mobile phone does not need to be improved, and no specific requirement is made on the type of the mobile phone.
It can be understood that, based on the same principle, the charging control device provided in the embodiment of the present invention may also be configured to charge more than two mobile phones at the same time, for example, three mobile phones or four mobile phones, and the control logic of charging is similar, and is not described herein again. And a USB channel is arranged between the interfaces corresponding to any two mobile phones, so that the dual-screen interconnection expansion can be realized.
It should be noted that, in the charging control device provided in another embodiment, an electric quantity reading comparison circuit may be further included, and is configured to read the electric quantity of the first mobile phone and the electric quantity of the second mobile phone, compare the electric quantity of the first mobile phone and the electric quantity of the second mobile phone, and send a comparison result to the controller.
For example, the output terminal of the power reading comparison circuit is connected to a pin of the controller, and when the level of the pin is high, it indicates that the power of the first mobile phone is greater than the power of the second mobile phone. When the level of the pin is low, it indicates that the power of the first mobile phone is less than or equal to the power of the second mobile phone.
Based on the charging control device provided in the above embodiments, embodiments of the present invention further provide a charging control method, which is described in detail below with reference to the accompanying drawings.
Referring to fig. 3, the figure is a flowchart of a charging control method provided by the present invention.
The charging control method provided by the present embodiment is applied to the charging control device in the above embodiments, and includes:
s301: and detecting that the first interface and the second interface have mobile phone access and the power supply interface has power supply access.
S302: and periodically detecting the electric quantity of the first mobile phone connected with the first interface and the electric quantity of the second mobile phone connected with the second interface.
S303: judging whether the electric quantity of the first mobile phone is larger than that of the second mobile phone; if so, executing S304; otherwise, S305 is executed.
S304: and charging the second mobile phone by utilizing the power supply.
S305: and charging the first mobile phone by using the power supply.
It can be understood that the controller 400 can control the power supply connected to the power supply interface 300 to charge the first mobile phone or the second mobile phone, and since the first interface and the second interface are interconnected through the USB, the first mobile phone and the second mobile phone can realize dual-screen interconnection expansion through the USB, and do not occupy the charging interface of the mobile phone, so that the charging of the first mobile phone or the second mobile phone by the power supply is not affected. Therefore, when the dual-screen interconnection of the two mobile phones is expanded, the two mobile phones can still be charged, and the dual-screen interconnection expansion is prevented from being influenced when one or two mobile phones are out of power.
In addition, in another embodiment of the method, when the power interface is not powered on, one mobile phone may be controlled to charge another mobile phone, and the charging logic specifically includes:
when the first interface and the second interface are detected to have mobile phone access and the power interface does not have power access, the mobile phone with high electric quantity is set as a master mobile phone, the mobile phone with low electric quantity is set as a slave mobile phone, and the master mobile phone is controlled to charge the slave mobile phone until the electric quantities of the master mobile phone and the slave mobile phone are balanced.
Generally, the mobile phone with high electric quantity is controlled to charge the mobile phone with low electric quantity, the control logic of charging can be to periodically detect the electric quantities of the two mobile phones and control the mobile phone with high electric quantity to charge the mobile phone with low electric quantity until the electric quantities of the two mobile phones reach balance.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (9)
1. A charge control device, characterized by comprising at least the following interfaces: the device comprises a first interface, a second interface and a power supply interface; further comprising: a controller;
the first interface is used for connecting a first mobile phone;
the second interface is used for connecting a second mobile phone;
the first interface and the second interface are interconnected through a universal serial bus, so that the first mobile phone and the second mobile phone are interconnected to realize screen expansion;
the power interface is used for connecting a power supply;
an electric quantity detection circuit;
the electric quantity detection circuit is used for periodically detecting the electric quantity of the first mobile phone and the electric quantity of the second mobile phone;
the controller is used for charging the first mobile phone or the second mobile phone by using the power supply; and the power supply is used for judging whether the electric quantity of the first mobile phone is larger than that of the second mobile phone, if so, the second mobile phone is charged by the power supply, and if not, the first mobile phone is charged by the power supply.
2. The charging control device according to claim 1, wherein the controller is further configured to set the first mobile phone as a master mobile phone and the second mobile phone as a slave mobile phone when determining that the power of the first mobile phone is greater than the power of the second mobile phone; and when the electric quantity of the second mobile phone is judged to be larger than that of the first mobile phone, setting the second mobile phone as a master mobile phone, and setting the first mobile phone as a slave mobile phone.
3. The charge control device according to claim 2, wherein the master cell phone controls display contents of the slave cell phone through the universal serial bus.
4. The charging control device of claim 2, wherein the controller is further configured to control the master phone to charge the slave phone when detecting that the power interface is not connected to a power source.
5. The charge control device of claim 1, further comprising a charge control circuit connected to the power source interface;
the controller is used for controlling the current of the charging control circuit to flow to the first interface when the first mobile phone is charged by the power supply; and when the power supply is used for charging the second mobile phone, controlling the current of the charging control circuit to flow to the second interface.
6. The charge control device of claim 5, wherein the power supply is a charger, a battery, or a mains-connected power adapter.
7. The charging control device of any one of claims 1-6, wherein the first interface and the second interface are both Type-c interfaces.
8. A charging control method applied to the charging control apparatus according to any one of claims 1 to 7, comprising:
detecting that the first interface and the second interface have mobile phone access and the power interface has power access,
periodically detecting the electric quantity of a first mobile phone connected with the first interface and the electric quantity of a second mobile phone connected with the second interface;
judging whether the electric quantity of the first mobile phone is larger than that of the second mobile phone;
if yes, the second mobile phone is charged by the power supply, and if not, the first mobile phone is charged by the power supply.
9. The charge control method according to claim 8, characterized by further comprising:
when the first interface and the second interface are detected to have mobile phone access and the power interface does not have power access, the mobile phone with high electric quantity is set as a master mobile phone, the mobile phone with low electric quantity is set as a slave mobile phone, and the master mobile phone is controlled to charge the slave mobile phone until the electric quantities of the master mobile phone and the slave mobile phone are balanced.
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| CN105978097A (en) * | 2016-06-28 | 2016-09-28 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device |
| CN205921678U (en) * | 2016-06-12 | 2017-02-01 | 北京凌阳益辉科技有限公司 | Order wire with projection function |
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| CN202856839U (en) * | 2012-10-22 | 2013-04-03 | 曹伟林 | Intelligent terminal |
| CN105515115B (en) * | 2016-01-15 | 2018-03-16 | 广东欧珀移动通信有限公司 | Mobile terminal is the method and charging device of other mobile terminals charging |
| CN105790349A (en) * | 2016-01-27 | 2016-07-20 | 努比亚技术有限公司 | Mutual charging control method and device for mobile terminals |
| CN106356925B (en) * | 2016-09-12 | 2019-01-29 | 努比亚技术有限公司 | Mobile terminal and its battery charge controller, charge control method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680510A (en) * | 2016-01-29 | 2016-06-15 | 宇龙计算机通信科技(深圳)有限公司 | Charging control method and charging control device used for electronic equipment |
| CN205921678U (en) * | 2016-06-12 | 2017-02-01 | 北京凌阳益辉科技有限公司 | Order wire with projection function |
| CN105978097A (en) * | 2016-06-28 | 2016-09-28 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device |
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