CN105896679B - A kind of charge control method and the electronic equipment using this method - Google Patents

A kind of charge control method and the electronic equipment using this method Download PDF

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Publication number
CN105896679B
CN105896679B CN201610397479.6A CN201610397479A CN105896679B CN 105896679 B CN105896679 B CN 105896679B CN 201610397479 A CN201610397479 A CN 201610397479A CN 105896679 B CN105896679 B CN 105896679B
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usb port
usb
mode
current
difference
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CN105896679A (en
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刘涛
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Hefei Lianbao Information Technology Co Ltd
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Hefei Lianbao Information Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention provides a kind of charge control method and the electronic equipments of application this method, the method comprise the steps that S1: the current output electric current of sensing;S2: the difference based on the maximum output current and the current output electric current that are capable of providing judges the charge mode that the USB port of the peripheral hardware connection can execute;S3: adjusting the USB port is corresponding USB mode.The present invention can be according to the electric current currently to leave unused come the corresponding USB mode for adjusting USB port, to realize intelligent quick charge.

Description

A kind of charge control method and the electronic equipment using this method
Technical field
The present invention relates to charge control field, in particular to the electronics of a kind of charge control method and application this method is set It is standby.
Background technique
With the performance of smart phone is stronger and stronger and battery technology relatively falls behind, smart phone is to external power supply It relies on more and more stronger.And the speed that we charge to mobile phone by the USB port of computer equipment in routine office work is relatively slow Slowly, the electricity being filled in the short time may not be able to satisfy the use demand of user, moreover, prolonged charging is to mobile phone It will cause deleterious effect.Existing solution usually directly increases the power supply of 5V for the design of individual USB port to increase Add the charging current of single USB, to increase charging rate.But this method usually intelligently make it is single in electronic equipment USB port setting 5V power supply, can not achieve the quick charge of all of the port, though for each port setting individually electricity Source will also result in the increasing of cost.
Summary of the invention
The present invention provides one kind can be according to the electric current that current power module is left unused come corresponding adjusting USB port USB mode, to realize the charge control method of intelligent charge and the electronic equipment of application this method.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of charge control method, the method, which is applied, in the USB port by electronic equipment to charge to peripheral hardware In the process, and the following steps are included:
S1: the current output electric current of sensing;
S2: the difference based on the maximum output current and the current output electric current that are capable of providing judges that the peripheral hardware connects The charge mode that the USB port connect can execute;
S3: adjusting the USB port is corresponding USB mode.
Preferably, when the difference is greater than or equal to first normalized current, being judged as described in the step S2 USB port is able to carry out quick charge;When the difference is less than first normalized current, it is judged as that the USB port is held The common charging of row.
Preferably, in the step S3, when judging that the USB port is able to carry out quick charge in the step S2 When, adjusting the USB port is CDP mode or DCP mode;It is commonly filled when judging that the USB port executes in the step S2 When electric, adjusting the USB port is SDP mode.
Preferably, the method also includes step S0: receiving whether close the USB port connected in addition to the peripheral hardware Except other USB ports selection information;
The step S3 is further configured to: the judging result in selection information and step S2 based on step S0 is adjusted The USB port is corresponding USB mode.
Preferably, in the step S0, it is described to select information not close other USB ports, and the step S2 When the middle judgement difference is greater than first normalized current, the step S3 is configured to adjust the USB port to be CDP mode.
Preferably, in the step S0, it is described to select information not close other USB ports, and the step S2 When the middle judgement difference is less than first normalized current, the step S3 is configured to adjust the USB port to be SDP mode.
Preferably, in the step S0, it is described to select information to close other USB ports, and in the step S2 When judging that the difference is greater than first normalized current, the step S3 is configured to adjust the USB port to be CDP mode.
Preferably, in the step S0, it is described to select information to close other USB ports, and in the step S2 When judging the difference less than second normalized current, the step S3 is configured to adjust the USB port to be SDP mode.
Preferably, in the step S0, it is described to select information to close other USB ports, and in the step S2 Judge that the difference is greater than one second normalized current and when less than the first normalized current, the step S3 is configured to described in adjusting USB port is CDP mode.
The present invention also provides a kind of electronic equipment, apply charge control method as described above, the electronic equipment Include:
Detection module detects current output electric current;
Control unit judges the charge mode that USB port can execute based on the current output electric current;
USB charging control section, the judging result based on the control unit adjust the USB mode of the USB port.
Compared with prior art, the beneficial effects of the present invention are:
1, the embodiment of the present invention is reduced costs without in addition increasing power supply mould group;
2, the embodiment of the present invention can configure all USB ports of electronic equipment, according to current power supply Or the idle state of electric current, the corresponding USB mode of the selection of adaptability are more intelligent.
Detailed description of the invention
Fig. 1 is a kind of flow chart of charge control method in the embodiment of the present invention;
Fig. 2 is a kind of flow chart of charge control method in another embodiment of the present invention;
Fig. 3 is the functional block diagram of one of embodiment of the present invention electronic equipment.
Description of symbols
1- detection module 2- control unit
The port 3-USB charging control section 4-USB
5- power module
Specific embodiment
In the following, being described in detail in conjunction with attached drawing to specific embodiments of the present invention, but the present invention is not limited to this.
The embodiment of the invention provides a kind of charge control method, this method is applied in the USB port by electronic equipment , can be according to the idle state of current power supply and electric current during charging to peripheral hardware, the control of adaptability is corresponding The USB mode of USB port, the USB mode in the present embodiment may include defined in the specification of USB charging BC 1.2 3 kinds of USB ports are SDP (downlink port of standard), DCP (special charging port) and CDP (charging downlink port) respectively.Its In, SDP, that is, traditional USB port can provide maximum 0.5A (USB2.0) and 0.9A (USB3.0) for peripheral hardware;DCP is dedicated fills Power port can provide the electric current of 1.5A, and charging down going port can also be into while providing the maximum charging current of 1.5A when CDP The transmission of row data.Through this embodiment the configuration of provided charge control method can according to real-time power supply service condition, And realize quick charge appropriate or common charging.It can achieve the purpose that quick charge, match without other devices are increased It sets.
As shown in Figure 1, for the flow chart of one of embodiment of the present invention charge control method, wherein may include following Step:
S1: the current output electric current of sensing;Wherein, due to each circuit module in the electronic device can include by it solely Vertical power module, with for electronics, and the output electric current sensed in step S1 can be corresponding to USB port The output electric current of the power module of circuit structure, by detecting the output electric current of the power module you can learn that current each electric appliance is multiple The idle situation of miscellaneous electricity consumption.In general, executing step S1 when detecting that peripheral hardware is inserted into USB port.
S2: the difference based on the maximum output current being capable of providing that senses and current output electric current, described in judgement The charge mode that the USB port of peripheral hardware connection can execute;Wherein it is possible to defeated based on the maximum that above-mentioned power module can be provided The size of difference Imax-Io between the value Imax of electric current and the current output electric current Io sensed out, to judge peripheral hardware institute The charge mode that the USB port of connection can execute.In general, when the difference (idling current) is greater than or equal to one first standard When electric current, it can be determined that the USB port to be connected is able to carry out quick charge;When the difference (idling current) is less than described the When one normalized current, it is judged as that the USB port executes common charging.The first standard current value in the present embodiment can be 1.5A is also possible to other setting values in various embodiments.
S3: adjusting USB port is corresponding USB mode.That is, can be according to the USB port judged in step S2 The corresponding USB mode for adjusting USB port of the charge mode that can be executed.For example, when judging the USB port energy in step S2 When enough executing quick charge, adjusting the USB port is CDP mode or DCP mode;When judging the USB port in step S2 When executing common charging, adjusting USB port is SDP mode.
Through the above configuration, it can realize the quick charge for peripheral hardware, but also without configuring other power devices Part.On the one hand production cost can be saved, on the other hand can also realizes the setting to all USB ports, and can basis When idle state (such as difference Imax-Io > 1.5A) of current power supply, it can by the way that USB port is switched to CDP mode, hold Row quick charge.
In a kind of flow chart of charge control method of another embodiment of the present invention as shown in Figure 2, can also include Step S0: the selection letter of other the idle USB ports whether closed other than the USB port that the peripheral hardware is connected is received Breath;When generally detecting that peripheral hardware is inserted into USB port, the USB connected about whether closing in addition to the peripheral hardware can receive The selection information of other USB ports except port.Wherein it is possible to by sending a solicited message to peripheral hardware, to request user It chooses whether to close other idle USB ports;It can also show the solicited message, on an electronic device to prompt user to select Whether close other idle USB ports, but present invention is also not necessarily limited to this, be also possible to other modes with prompt user into Row selection, such as the mode of voice.And when user selects to close idle port, can also select according to demand which is closed USB port has more practicability and applicability.
S1: the current output electric current of sensing;Wherein, due to each circuit module in the electronic device can include by it solely Vertical power module, with for electronics, and the output electric current sensed in step S1 can be corresponding to USB port The output electric current of the power module of circuit structure, by detecting the output electric current of the power module you can learn that current each electric appliance is negative The idle situation of the electricity consumption of load.
S2: the difference based on the maximum output current being capable of providing that senses and current output electric current, described in judgement The charge mode that the USB port of peripheral hardware connection can execute;Wherein it is possible to defeated based on the maximum that above-mentioned power module can be provided The size of difference Imax-Io between the value Imax of electric current and the current output electric current Io sensed out, to judge peripheral hardware institute The charge mode that the USB port of connection can execute.In general, when the difference is greater than or equal to first normalized current, it can Quick charge is able to carry out with the USB port for being judged as connected;When the difference is less than first normalized current, judgement Common charging is executed for the USB port.The first standard current value in the present embodiment can be 1.5A, in different embodiment party It is also possible to other setting values in formula.
S3: it is corresponding USB mould that the judging result selected in information and step S2 based on step S0, which adjusts USB port, Formula.Specifically, when selecting information in step S0 not close other USB ports, and judge that the difference is big in step S2 When the first normalized current, step S3 is configured to adjust corresponding USB port to be CDP mode.And when the selection letter in step S0 When ceasing not close other USB ports, and judging the difference less than the first normalized current in step S2, the step S3 matches Being set to and adjusting the USB port is SDP mode.
In addition, when selecting information in step S0 to close other USB ports, and judge that the difference is big in step S2 When first normalized current, step S3 is configured to adjust the USB port to be CDP mode.When the selection information in step S0 To close other USB ports, and when judging the difference less than second normalized current in step S2, step S3 is configured to adjust Saving the USB port is SDP mode.
And in the step S0, it is described to select information to close other USB ports, and institute is judged in the step S2 Difference is stated greater than one second normalized current and when less than the first normalized current, the step S3 is configured to adjust the USB port For CDP mode.Above-mentioned second normalized current can be 1A, be also possible to other setting values in various embodiments.
Additionally, it is preferred that, it further include step S4: difference described in real-time judge and the first normalized current and the second normalized current Between size relation, with adapt in real time conversion USB port USB mode.
In addition, the electronic equipment can apply above-mentioned charge control the embodiment of the invention also provides a kind of electronic equipment Method, to realize the quick charge to the adaptability of peripheral hardware.As shown in figure 3, for the original of the electronic equipment in the embodiment of the present invention Structural block diagram is managed, wherein may include: detection module 1, control unit 2, USB charging control section 3, USB port 4 and power module 5, wherein detection module 1 can be used for detecting the current output electric current of power module 5, and wherein power module can be others Load and the charging of USB port provide electric current.Control unit 2 can be according to the current of the power module 5 that detection module 1 detects Output electric current judges the charge mode that USB port can execute;Wherein, it can store in control module 2 about power module 5 The information for the maximum current that can be provided can pass through the maximum when it receives the current output current value of power module 5 Difference Imax-Io between current value and current output current value is compared with the first normalized current, to judge the current end USB The charge mode that mouth can execute, in general, when the difference is greater than or equal to first normalized current, it can be determined that for company, institute The USB port connect is able to carry out quick charge;When the difference is less than first normalized current, it is judged as the end USB Mouth executes common charging.And judging result is sent to USB charging control section 3, or send its conversion of control to charging control section 3 The control signal of USB mode.The first standard current value in the present embodiment can be 1.5A, in various embodiments may be used To be other setting values.
USB charging control section 3 is connect with control unit 2 and USB port, and the judging result based on control unit 2 adjusts the end USB The USB mode of mouth.For example, can be when control unit 2 judges that USB port is able to carry out quick charge in the present embodiment, USB charging It is CDP mode or DCP mode that control unit 3, which adjusts the USB port,;When control unit 2 is judged as that USB port executes common charging When, adjusting USB port is SDP mode.In the present embodiment, each USB port 4 can be correspondingly arranged on a USB charge control Portion 3 is also possible to a USB charging control section 3 while controlling multiple USB ports 4.
In addition, in another preferred embodiment, control unit 2 can also be received about whether closing in addition to company, the peripheral hardware institute The selection information of other idle USB ports except the USB port connect, and can further based on the selection information and Above-mentioned judging result executes the operation of control USB charging control section 3.Specifically, when control unit 2 receive select information for When not closing other USB ports, and being judged as that difference is greater than the first normalized current, control USB charging control section 3, which is adjusted, to be corresponded to USB port be CDP mode.And what is received selects information not close other USB ports, and judges difference less than first When normalized current, it is SDP mode that control USB charging control section 3, which adjusts the USB port,.
In addition, when what is received selects information to close other USB ports, and judge that the difference is greater than one first mark When quasi- electric current, it is CDP mode that control USB charging control section 3, which adjusts the USB port,;When what is received selects information for closing Other USB ports, and when judging the difference less than second normalized current, control USB charging control section 3 adjusts described USB port is SDP mode.And what ought be received selects information to close other USB ports, and judges that the difference is greater than one Second normalized current and when less than the first normalized current, it is CDP mode that control USB charging control section 3, which adjusts the USB port,. Above-mentioned second normalized current can be 1A, be also possible to other setting values in various embodiments.Wherein receive selection The mode of information can be by sending the return knot whether request closes the solicited message of other limitation USB ports to peripheral hardware Fruit is also possible to show whether request closes the solicited message of other limitation USB ports by electronic equipment, to set by electronics It is standby to return to the selection information.User can be selected by way of touch-control or voice.Idle USB port is closed in selection When, can also further select which USB port closed, have the characteristics that more intelligentized.
Preferably, the control unit 2 in the present embodiment can also further be configured to difference described in real-time judge and first Size relation between normalized current and the second normalized current converts the end USB by USB charging control section 3 with what is adapted in real time The USB mode of mouth.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.

Claims (9)

1. a kind of charge control method, the method applies the mistake to charge in the USB port by electronic equipment to peripheral hardware Cheng Zhong, and the following steps are included:
S1: the current output electric current of sensing;
S2: the difference based on the maximum output current and the current output electric current that are capable of providing judges the peripheral hardware connection The charge mode that USB port can execute;
S3: adjusting the USB port is corresponding USB mode;
The method also includes step S0: receiving other ends USB whether closed other than the USB port of peripheral hardware connection The selection information of mouth;
The step S3 is further configured to: described in the judging result in selection information and step S2 based on step S0 is adjusted USB port is corresponding USB mode.
2. the method according to claim 1, wherein in the step S2, when the difference is greater than or equal to one When the first normalized current, it is judged as that the USB port is able to carry out quick charge;When the difference is less than first standard electric When stream, it is judged as that the USB port executes common charging.
3. according to the method described in claim 2, it is characterized in that, in the step S3, described in judgement in the step S2 When USB port is able to carry out quick charge, adjusting the USB port is CDP mode or DCP mode;Sentence when in the step S2 When the USB port that breaks executes common charging, adjusting the USB port is SDP mode.
4. described to select information not close it the method according to claim 1, wherein in the step S0 His USB port, and judge in the step S2 difference be greater than first normalized current when, the step S3 is configured to adjust Saving the USB port is CDP mode.
5. described to select information not close it the method according to claim 1, wherein in the step S0 His USB port, and when judging the difference less than first normalized current in the step S2, the step S3 is configured to adjust Saving the USB port is SDP mode.
6. described to select information to close other the method according to claim 1, wherein in the step S0 USB port, and judge in the step S2 difference be greater than first normalized current when, the step S3 is configured to adjust The USB port is CDP mode.
7. described to select information to close other the method according to claim 1, wherein in the step S0 USB port, and when judging the difference less than second normalized current in the step S2, the step S3 is configured to adjust The USB port is SDP mode.
8. described to select information to close other the method according to claim 1, wherein in the step S0 USB port, and judge that the difference is greater than one second normalized current and when less than the first normalized current in the step S2, institute Step S3 is stated to be configured to adjust the USB port to be CDP mode.
9. a kind of electronic equipment, which is characterized in that charge control method of the application as described in any one of claim 1-8, The electronic equipment includes:
Detection module detects current output electric current;
Control unit judges the charge mode that USB port can execute based on the current output electric current;
USB charging control section, the judging result based on the control unit adjust the USB mode of the USB port.
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