CN103513735A - Electronic device and method for adjusting work modes of electronic device - Google Patents
Electronic device and method for adjusting work modes of electronic device Download PDFInfo
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- CN103513735A CN103513735A CN201210200766.5A CN201210200766A CN103513735A CN 103513735 A CN103513735 A CN 103513735A CN 201210200766 A CN201210200766 A CN 201210200766A CN 103513735 A CN103513735 A CN 103513735A
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Abstract
The invention relates to an electronic device. The electronic device comprises a USB interface, a current detection module, a load module, a work mode switching module, a power supply port and a power consumption module. The power supply port is used for outputting working currents to the power consumption module. The electronic device is connected with a USB interface of an external device through the USB interface to obtain currents. Output currents of the USB interface of the external device are detected by the current detection module. The work mode switching module controls output currents of the USB interface of the external device to constantly increase by constantly controlling and reducing the load value of the load module and determines the maximum power supply power which the USB interface of the external device can provide when the work mode switching module judges that the output currents detected by the current detection module do not increase any more. In addition, the work mode switching module adjusts the work modes of the electronic device according to the maximum power. The electronic device can adjust the work modes according to the power which the USB power supply can provide, and thus the efficacy of the electronic device is improved. The invention further provides a method for adjusting the work modes of the electronic device.
Description
Technical field
The present invention relates to a kind of electronic installation, relate in particular to and a kind ofly can adjust based on output power of power supply electronic installation and the method for mode of operation.
Background technology
At present, some electronic installations, for example wireless routing device (for example: MIFI, USB WI-FI AP product etc.), mobile phone, digital camera, e-book etc., when it is connected with USB interface, input power is the power supply of standard USB specification, and standard USB interface output power specification is 2.5W (5V/500mA), but part USB power supply can provide the output power of power supply to 5W (5V/1A) in the market.And when design of electronic products is produced product, need consider the standard specification of USB, and to access USB interface power limited under standard USB output power when charging or powering, for example, wireless routing product is used power limited below 2.5W, or by mobile phone, digital cameras etc. are power limited under 2.5W by USB power source charges, and, wireless routing product is limited to lower time of 2.5W, radiofrequency signal output power is lower, data rate and signal cover have been limited, and by mobile phone, the charge power of digital camera etc. is limited to lower time of 2.5W, obviously affect charging rate.Thereby, in prior art, even if USB power supply can provide the 5W output power of power supply of (5V/1A), due to the restriction of electronic installation itself, cannot use this output power of power supply, caused the waste of resource.
Summary of the invention
In view of this, be necessary to provide a kind of electronic installation and method of the corresponding mode of operation of power adjustment that can export according to USB interface power supply.
, by USB interface, to power, the power that can provide according to USB interface is adjusted mode of operation, comprises a power supply port and a power consumption module, and this power supply port is used for power consumption module output services electric current, also comprises:
One USB interface, for being connected with the USB interface of an external unit, receives the electric current that the USB interface of this external unit provides;
One current detecting module, for detecting the output current of the USB interface of external unit; One load blocks, is connected between this current detecting module and ground;
One mode of operation handover module, all be connected with current detecting module and load blocks, for Sustainable Control, reduce the load value of load blocks, and judge whether the output current that current detecting module detects continues to increase, and when the output current that detects of judgement current detecting module no longer increases, the maximum current that the USB interface that definite output current that now current detecting module detects is external unit can provide, thereby determine the available maximum output power of external unit USB interface, and according to this peak power, adjust the mode of operation of electronic installation.
A method of adjusting electronic installation mode of operation, comprising:
Electronic installation is connected to the USB interface of external unit by USB connecting line, from the USB interface of this external unit, obtain electric current;
Mode switch module reduces the load of load blocks, and judges whether the electric current that current detecting module detects continues to increase;
When the electric current detecting when mode switch module judgement current detecting module no longer increases, determine the available maximum current of USB interface that electric current that current detecting module now detects is external unit;
According to the available maximum current of the USB interface of definite external unit, switch the mode of operation of electronic installation;
Under the mode of operation of electronic installation after switching, work.
By the method for electronic installation provided by the invention and adjustment electronic installation mode of operation, electronic installation can be adjusted mode of operation according to the available maximum output power of USB interface, promotes the usefulness of electronic installation.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of electronic installation in one embodiment of the invention.
The schematic diagram of embodiment of the present invention load blocks shown in Fig. 2 Fig. 1.
Fig. 3 is the process flow diagram of the inventive method.
Main element symbol description
| Electronic installation | 100 |
| External unit | 200 |
| USB connecting line | 300 |
| USB interface | 10 |
| USB interface | 20 |
| Current detecting module | 11 |
| |
12 |
| Mode of operation handover module | 13 |
| Battery control module | 14 |
| Battery | 15 |
| Power supply port | 16 |
| Power consumption module | 17 |
| USB interface gauge tap | 18 |
| Switch | K |
| Digital variable resistance | R |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, for the functional block diagram of one embodiment of the invention electronic installation, electronic installation 100 comprises usb 10, current detecting module 11, load blocks 12, mode of operation handover module 13, battery control module 14, battery 15, power supply port 16 and power consumption module 17.The usb 10 of electronic installation 100 is for be connected to the USB interface 20 of an external unit 200 by a USB connecting line 300, and obtains electric current from the USB interface 20 of this external unit 200.Current detecting module 11 is for detecting the output current of the USB interface 20 of external unit 200.Load blocks 12 is electrically connected between this usb 10 and ground.Mode of operation handover module 13 is connected with load blocks 12 with current detecting module 11, for after the usb 10 of electronic installation 100 and the USB interface 20 of external unit 200 are connected, control and reduce the load of load blocks 12 gradually, and judge whether the electric current that current detecting module 11 is detected increases.When the electric current of detecting when mode of operation handover module 13 judgement current detecting module 11 no longer continues to increase, the electric current of determining now current detecting module 11 detectings is the available maximum output current of the USB interface 20 of external unit 200, thereby determines the peak power output of the USB interface 20 of external unit 200.
As everyone knows, the voltage of the power supply that USB interface provides is permanent is 5V, and the output power of USB interface is different, and what cause is the difference of electric current.Thereby when the load of load blocks 12 reduces gradually, the electric current that flows through load blocks 12 increases, thereby, the supply current of the USB interface 20 of external unit 200 is increased gradually, until increase to available maximum output current.
Mode of operation handover module 13 is also connected with this battery control module 14 and power consumption module 17, for adjust the charge mode of battery 15 and the mode of operation of power consumption module 17 according to the peak power of the output of the usb 10 of external unit 200.Battery 15 is connected with battery control module 14, when externally the USB interface 20 of equipment 200 is stopped power supply, is electronic installation 100 power supplies.Power supply port 16 connects battery control module 14 and power consumption module 17, for the distribution of the charging current of battery 15 and the working current of power consumption module 17.
In the present embodiment, when electronic installation 100 is connected to after the USB interface 20 of external unit by USB connecting line 300, mode of operation handover module 13 reduces the load value of load blocks 12, make USB interface 20 supply currents of external unit 200 continue to increase, current detecting module 11 is detected the supply current of USB interface 20 simultaneously, when mode of operation handover module 13 judges that USB interface 20 supply currents of the external unit 200 that current detecting module 11 detect no longer increase or USB interface 20 is stopped power supply, determine the available maximum current of USB interface 20 that the current electric current detecting is external unit 200, thereby determine the peak power output of the USB interface of this external unit.Load control module 13 is controlled and is disconnected this load blocks 12, mode of operation handover module 13 is adjusted the mode of operation of power consumption module 17 according to the available peak power output of the USB interface 20 of the determined external unit 200 of current detecting module 11, USB interface gauge tap 11 control electronic installations 100 are connected with the USB interface 20 of external unit 200 again afterwards, the power supply of recovery USB interface, electronic installation 100 is operated under the mode of operation after adjustment and works.
In the present embodiment, this electronic installation 100 also comprises a USB interface gauge tap 11, when the USB interface 20 of external unit 200 is stopped power supply, by battery 15, be electronic installation 100 power supplies, and, USB interface gauge tap 11 re-establishes and is connected with external unit USB interface 20 for controlling immediately electronic installation 100, and electronic installation 100 is powered by USB interface 20 again.Thereby, prevent that the situation of shutting down due to non-transformer power supply from appearring in electronic installation 100.
In the present embodiment, as shown in Figure 2, this load blocks 12 is to comprise a K switch and the digital variable resistance R being connected between current detecting module 11 and ground, this mode of operation handover module 13 is by regulating the resistance of this digital variable resistance R to change the load value of this load blocks 12, after the peak power output of the USB interface 20 of these mode of operation handover module 13 definite these external units 200, by controlling this K switch, disconnect, thereby control, disconnect this load blocks 12.This current detecting module 11 is the resistance of a little resistance, and the magnitude of voltage that this mode switch module 13 is obtained this current detecting module 11 judges whether the electric current of these current detecting module 11 detectings increases.
Concrete, when the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detecting is large specification power (5W, in the time of 5V*1A), mode of operation handover module 13 is adjusted into the higher mode of operation of power consumption by the mode of operation of power consumption module 17, and electronic installation 100 is operated in dynamical mode of operation.When the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detecting is normal specifications power (2.5W, in the time of 5V*500mA), mode of operation handover module 13 is adjusted into the lower mode of operation of power consumption by the mode of operation of power consumption module 17, and electronic installation 100 is operated in the mode of operation of low usefulness.
For example, when electronic installation 100 is wireless routing device, if the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detectings is normal specifications power, this mode of operation handover module 13 is adjusted into low-power output mode by the radio-frequency power of wireless routing device, radio frequency input and output mode is set to single-input single-output pattern, and Ethernet pattern is set to the mode of operation of 10/100Mbit/s.When the available maximum output power of USB interface 20 that detects external unit 200 in current detecting module 11 is large specification power, also radio-frequency power can be adjusted into high-power output pattern, the radio frequency of wireless routing device is set to dual input dual output pattern, Ethernet pattern is set to 10/100/1000Mbit/s, to improve usefulness and the signal cover of wireless routing device.
When electronic installation is the electronic installations such as mobile phone, digital camera, e-book, if the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detectings is large specification power, this mode of operation handover module 13 switches to fast mold filling formula by battery control module 14, thereby battery control module 14 is controlled as battery 15 rapid charges.And when the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detecting is normal specifications power, this mode of operation handover module 13 switches to trickle charge pattern by battery control module 14, thereby battery control module 14 is controlled as battery 15 trickle charges.
Please refer to Fig. 3, Fig. 3 is that one embodiment of the invention electronic installation 100 is adjusted the process flow diagram of mode of operation method according to external unit 200 supply currents.
Step S201, electronic installation 100 is connected to the USB interface 20 of external unit 200 by USB connecting line 300, from the USB interface 20 of this external unit 200, obtain electric current;
Step S202, mode switch module reduces the load of load blocks 12, and judges whether the electric current that current detecting module 11 detects continues to increase;
Step S203, when the electric current detecting when mode switch module judgement current detecting module 11 no longer increases, determines that the electric current that current detecting module 11 now detects is the available maximum current of USB interface 20 of external unit 200;
Step S204, according to the available maximum current of USB interface 20 of definite external unit 200, determine the maximum output power of the USB interface 20 of external unit 200, and according to the maximum output power power of the USB interface 20 of external unit 200, switch the mode of operation of electronic installation 100;
Step S205, works under the mode of operation of electronic installation 100 after switching.
In this real inventive embodiments method, when electronic installation 100 is wireless routing device, if the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detectings is normal specifications power, this mode of operation handover module 13 is adjusted into low-power output mode by the radio-frequency power of wireless routing device, radio frequency input and output mode is set to single-input single-output pattern, and Ethernet pattern is set to the mode of operation of 10/100Mbit/s.When the available power providing of USB interface 20 that detects external unit 200 in current detecting module 11 is large specification power, also radio-frequency power can be adjusted into high-power output pattern, the radio frequency of wireless routing device is set to dual input dual output pattern, Ethernet pattern is set to 10/100/1000Mbit/s, to improve usefulness and the signal cover of wireless routing device.
When electronic installation is the electronic installations such as mobile phone, digital camera, e-book, if the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detectings is large specification power, this mode of operation handover module 13 switches to fast mold filling formula by battery control module 14, thereby battery control module 14 is controlled as battery 15 rapid charges.And when the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detecting is normal specifications power, this mode of operation handover module 13 switches to trickle charge pattern by battery control module 14, thereby battery control module 14 is controlled as battery 15 trickle charges.
Be appreciated that the above embodiment is used for illustrative purposes only, and be not limitation of the present invention.The variation that the those of ordinary skill in relevant technologies field is made in corresponding technical field according to the present invention should belong to protection category of the present invention.
Claims (10)
1. an electronic installation, comprises a power supply port and a power consumption module, and this power supply port is used for power consumption module output services electric current, comprising:
One USB interface, for being connected with the USB interface of an external unit, receives the electric current that the USB interface of this external unit provides;
One current detecting module, for detecting the output current of the USB interface of external unit; One load blocks, is connected between this current detecting module and ground;
One mode of operation handover module, all be connected with current detecting module and load blocks, thereby for the load value that Sustainable Control reduces load blocks, increase the output current of the USB interface of external unit, and judge whether the output current that current detecting module detects continues to increase, and when the output current that detects of judgement current detecting module no longer increases, the maximum current that the USB interface that definite output current that now current detecting module detects is external unit can provide, thereby determine the available maximum output power of external unit USB interface, and according to the mode of operation of this peak power adjustment electronic installation.
2. electronic installation as claimed in claim 1, is characterized in that, described current detecting module is a resistance, and this mode of operation handover module judges by obtaining the magnitude of voltage of this current detecting module whether the electric current of this current detecting module detecting increases.
3. electronic installation as claimed in claim 1, it is characterized in that, described load blocks comprises a switch and a digital variable resistance, this switch and digital variable resistance are series between current detecting module and ground, this mode of operation handover module is by regulating the resistance of this digital variable resistance to reduce the load value of this load blocks, this mode of operation handover module is determined after the peak power output of USB interface of this external unit, by controlling this switch, disconnects, thereby control, disconnects this load blocks.
4. electronic installation as claimed in claim 1, it is characterized in that, described electronic installation also comprises a USB interface gauge tap, in mode of operation handover module Sustainable Control, reduce the load value of load blocks and the USB interface that causes described external unit while stopping electronic installation powering because of current overload, described USB interface gauge tap is set up immediately and is recovered being connected of electronic installation and external unit USB interface.
5. electronic installation as claimed in claim 1, is characterized in that, described electronic installation also comprises a battery and a battery control module, described battery is for when external unit USB interface is stopped power supply, for electronic installation power supply, this battery control module, for controlling battery charging.
6. electronic installation as claimed in claim 1, it is characterized in that, described electronic installation is a wireless routing device, when mode of operation handover module determines that the available maximum output power of external unit is normal specifications power, mode of operation handover module is adjusted into low-power output mode by the radio-frequency power of wireless routing device, radio frequency input and output mode is set to single-input single-output pattern, Ethernet pattern is set to 10/100Mbit/s, when detecting module detects the available output power of external unit while being large specification power, the radio-frequency power of wireless routing device is adjusted into high-power output pattern, the radio frequency of wireless routing device is set to dual input dual output pattern, Ethernet pattern is set to 10/100/1000Mbit/s.
7. electronic installation as claimed in claim 1, it is characterized in that, described electronic installation is for comprising mobile phone, digital camera, a kind of in e-book, described electronic installation comprises battery and battery control module, when mode switch module, determining the output power of the USB interface of external unit is large specification power, this mode switch module switches to fast mold filling formula by battery control module, thereby battery control module is controlled as quickly charging battery, and when mode switch module determines that the output power of the USB interface of external unit is normal specifications power, this mode of operation handover module switches to trickle charge pattern by battery control module, thereby battery control module is controlled as battery trickle charge.
8. adjust a method for electronic installation mode of operation, this electronic installation is powered by USB interface, comprising:
Set up being connected of the USB interface of electronic installation and the USB interface of an external unit;
Thereby reduce a load value that is electrically connected on the load blocks between electronic installation USB interface and ground and increase the output current of the USB interface of external unit, and judge whether the electric current that current detecting module detects continues to increase;
When judging that the electric current detecting no longer increases, the available maximum current of USB interface that definite electric current now detecting is external unit;
According to the available maximum current of the USB interface of definite external unit, determine the maximum output power of the USB interface of external unit, and according to the maximum output power of the USB interface of external unit, switch the mode of operation of electronic installation.
9. the method for adjustment electronic installation mode of operation as claimed in claim 8, it is characterized in that, described electronic installation is a wireless routing device, described step " is switched the mode of operation of electronic installation " and being comprised according to the peak power of the USB interface of external unit: when mode of operation handover module determines that the available maximum output power of external unit is normal specifications power, mode of operation handover module is adjusted into low-power output mode by the radio-frequency power of wireless routing device, radio frequency input and output mode is set to single-input single-output pattern, Ethernet pattern is set to 10/100Mbit/s, when detecting module detects the available output power of external unit while being large specification power, the radio-frequency power of wireless routing device is adjusted into high-power output pattern, the radio frequency of wireless routing device is set to dual input dual output pattern, Ethernet pattern is set to 10/100/1000Mbit/s.
10. the method for adjustment electronic installation mode of operation as claimed in claim 8, it is characterized in that, described electronic installation is mobile phone, e-book, a kind of in digital camera, described step " is switched the mode of operation of electronic installation " and being comprised according to the peak power of the USB interface of external unit: when mode switch module, determining the output power of the USB interface of external unit is large specification power, this mode switch module switches to fast mold filling formula by battery control module, thereby battery control module is controlled as quickly charging battery, and when mode switch module determines that the output power of the USB interface of external unit is normal specifications power, this mode of operation handover module switches to trickle charge pattern by battery control module, thereby battery control module is controlled as battery trickle charge.
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| CN201210200766.5A CN103513735B (en) | 2012-06-18 | 2012-06-18 | The method of electronic installation and adjustment electronic device functions pattern |
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| CN201210200766.5A CN103513735B (en) | 2012-06-18 | 2012-06-18 | The method of electronic installation and adjustment electronic device functions pattern |
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| CN104124734A (en) * | 2014-07-22 | 2014-10-29 | 深圳市富满电子有限公司 | Charging system and charging method |
| CN104578305A (en) * | 2015-01-21 | 2015-04-29 | 深圳市冠旭电子有限公司 | USB intelligent charging circuit and charging device |
| EP2957984A1 (en) * | 2014-06-18 | 2015-12-23 | Thomson Licensing | Method for power management and corresponding apparatus |
| CN106294251A (en) * | 2015-05-27 | 2017-01-04 | 联想(北京)有限公司 | Electronic equipment and management method thereof |
| CN106325453A (en) * | 2015-07-09 | 2017-01-11 | 中兴通讯股份有限公司 | Configuration method of output current and terminal |
| CN107783629A (en) * | 2016-08-26 | 2018-03-09 | 中兴通讯股份有限公司 | Method of supplying power to, device and the wireless router device of USB interface |
| CN108319186A (en) * | 2017-12-28 | 2018-07-24 | 厦门亿联网络技术股份有限公司 | A kind of overcurrent protective device and method of USB device |
| CN113243696A (en) * | 2021-06-29 | 2021-08-13 | 慕思健康睡眠股份有限公司 | Intelligent bed screen and control method thereof |
| CN108319186B (en) * | 2017-12-28 | 2024-08-02 | 厦门亿联网络技术股份有限公司 | Overcurrent protection device and method for USB equipment |
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| CN113243696A (en) * | 2021-06-29 | 2021-08-13 | 慕思健康睡眠股份有限公司 | Intelligent bed screen and control method thereof |
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