CN103513735B - The method of electronic installation and adjustment electronic device functions pattern - Google Patents
The method of electronic installation and adjustment electronic device functions pattern Download PDFInfo
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- CN103513735B CN103513735B CN201210200766.5A CN201210200766A CN103513735B CN 103513735 B CN103513735 B CN 103513735B CN 201210200766 A CN201210200766 A CN 201210200766A CN 103513735 B CN103513735 B CN 103513735B
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Abstract
A kind of electronic installation, comprise: a USB interface, one current detecting module, one load blocks, one mode of operation handover module, one power supply port and a power consumption module, this power supply port is used for power consumption module output services electric current, this electronic installation to be connected with the USB interface of an external unit by this USB interface and to obtain electric current, this current detecting module detects the output current of the USB interface of this external unit, this mode of operation handover module controls this external unit USB interface output current by the load value that Sustainable Control reduces this load blocks and continues to increase, and when the output current judging that current detecting module detects no longer increases, determine the outer available maximum output power of this equipment USB interface, and the mode of operation of electronic installation is adjusted according to this peak power.This electronic installation according to USB power source available power adjustment mode of operation, thus can improve the usefulness of electronic installation.The present invention also provides a kind of method adjusting electronic device functions pattern.
Description
Technical field
The present invention relates to a kind of electronic installation, particularly relate to a kind of electronic installation and the method that can adjust mode of operation based on output power of power supply.
Background technology
At present, some electronic installations, such as wireless routing device (such as: MIFI, USBWI-FIAP 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 specifications, and standard USB interface output power specification is 2.5W (5V/500mA), but existing market upper part USB power source can be provided to 5W (5V/1A) output power of power supply.And when design of electronic products article of manufacture, the standard specification of USB need be considered, and to access USB interface charge or power time power limited under standard USB output power, such as, wireless routing product is used power limited at below 2.5W, or by mobile phone, digital camera etc. by USB power source charge power limited under 2.5W, and, when wireless routing product is limited under 2.5W, radio-frequency signal output power is lower, limit data rate and signal cover, and by mobile phone, when the charge power of digital camera etc. is limited under 2.5W, obviously, affect charging rate.Thus, in prior art, even if USB power source can provide the 5W output power of power supply of (5V/1A), this output power of power supply cannot be used due to the restriction of electronic installation itself, cause the waste of resource.
Summary of the invention
In view of this, be necessary to provide a kind of power that can export according to USB interface power supply to adjust electronic installation and the method for corresponding mode of operation.
A kind of electronic installation, is powered by USB interface, the power adjustment mode of operation that can provide according to USB interface, and comprise a power supply port and a power consumption module, 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, the electric current that the USB interface receiving 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, the load value of load blocks is reduced for Sustainable Control, and judge whether the output current that current detecting module detects continues to increase, and when the output current judging that current detecting module detects no longer increases, determine the maximum current that the USB interface that the output current that now current detecting module detects is external unit can provide, thus determine the available maximum output power of external unit USB interface, and adjust the mode of operation of electronic installation according to this peak power.
Adjust a method for electronic device functions pattern, comprising:
Electronic installation is connected to the USB interface of external unit by USB connecting line, obtains electric current from the USB interface of this external unit;
Mode switch module reduces the load of load blocks, and judges whether the electric current that current detecting module detects continues to increase;
When mode switch module judges that the electric current that current detecting module detects no longer increases, determine that electric current that current detecting module now detects is the available maximum current of USB interface of external unit;
According to the available maximum current of the USB interface of the external unit determined, switch the mode of operation of electronic installation;
Work under electronic installation mode of operation after handover.
By electronic installation provided by the invention and the method adjusting electronic device functions pattern, electronic installation can according to the available maximum output power of USB interface, and adjustment mode of operation, 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 |
| Load blocks | 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 will further illustrate the present invention in conjunction 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 for being 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 current detecting module 11 and load blocks 12, for after the usb 10 of electronic installation 100 is connected with the USB interface 20 of external unit 200, control the load reducing load blocks 12 gradually, and judge whether the electric current that current detecting module 11 is detected increases.When mode of operation handover module 13 judges that the electric current that current detecting module 11 is detected no longer continues to increase, determine that the electric current of now current detecting module 11 detecting is the available maximum output current of the USB interface 20 of external unit 200, thus determine 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 perseverance is 5V, and the output power of USB interface is different, and what cause is the difference of electric current.Thus when the load of load blocks 12 reduces gradually, the electric current flowing through load blocks 12 increases, thus, 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, and the peak power for the output of the usb 10 according to external unit 200 adjusts the charge mode of battery 15 and the mode of operation of power consumption module 17.Battery 15 is connected with Battery control module 14, for when the USB interface 20 of external unit 200 is stopped power supply, for electronic installation 100 is powered.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, after electronic installation 100 to be connected to 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, USB interface 20 supply current of external unit 200 is made to continue to increase, current detecting module 11 detects the supply current of USB interface 20 simultaneously, when mode of operation handover module 13 judges that USB interface 20 supply current of the external unit 200 that current detecting module 11 detects no longer increases or USB interface 20 is stopped power supply, determine that the current electric current detected is the available maximum current of USB interface 20 of external unit 200, thus determine the peak power output of the USB interface of this external unit.Load control module 13 controls to disconnect this load blocks 12, mode of operation handover module 13 is according to the mode of operation of the USB interface 20 of the determined external unit of current detecting module 11 200 available peak power output adjustment power consumption module 17, USB interface gauge tap 11 controls electronic installation 100 and is again connected with the USB interface 20 of external unit 200 afterwards, recovery USB interface is powered, and works under the mode of operation that electronic installation 100 works after the adjustment.
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, powered for electronic installation 100 by battery 15, and, USB interface gauge tap 11 to re-establish with external unit USB interface 20 be connected for controlling electronic installation 100 immediately, and electronic installation 100 is powered by USB interface 20 again.Thus, prevent electronic installation 100 from occurring powering due to non-transformer and the situation of shutting down.
In the present embodiment, as shown in Figure 2, this load blocks 12 is comprise being connected on a K switch between current detecting module 11 and ground and a digital variable resistance R, the load value of this mode of operation handover module 13 by regulating the resistance of this digital variable resistance R to change this load blocks 12, after this mode of operation handover module 13 determines the peak power output of USB interface 20 of this external unit 200, disconnect by controlling this K switch, thus control to disconnect this load blocks 12.This current detecting module 11 is the resistance of a little resistance, and whether the magnitude of voltage that this mode switch module 13 obtains this current detecting module 11 increases to the electric current judging this current detecting module 11 and detect.
Concrete, when the output power of the USB interface 20 of the external unit 200 of current detecting module 11 detecting is large gauge power (5W, time 5V*1A), the mode of operation of power consumption module 17 is adjusted to the higher mode of operation of power consumption by mode of operation handover module 13, and namely 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, time 5V*500mA), the mode of operation of power consumption module 17 is adjusted to the lower mode of operation of power consumption by mode of operation handover module 13, and electronic installation 100 is operated in the mode of operation of low usefulness.
Such as, when electronic installation 100 is wireless routing device, if the output power of the USB interface 20 of the external unit 200 that current detecting module 11 is detected is normal specifications power, the radio-frequency power of wireless routing device is adjusted to low-power output mode by this mode of operation handover module 13, 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 current detecting module 11 detects external unit 200 is large gauge power, also radio-frequency power can be adjusted to high-power output pattern, then the radio frequency of wireless routing device is set to two-output impulse generator 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 that current detecting module 11 is detected is large gauge power, Battery control module 14 is switched to fast mold filling formula by this mode of operation handover module 13, thus Battery control module 14 controls as battery 15 rapid charge.And when the output power of the USB interface 20 of the external unit 200 that current detecting module 11 is detected is normal specifications power, Battery control module 14 is switched to trickle charge pattern by this mode of operation handover module 13, thus Battery control module 14 controls as battery 15 trickle charge.
Please refer to Fig. 3, Fig. 3 is the process flow diagram of one embodiment of the invention electronic installation 100 according to external unit 200 supply current adjustment mode of operation method.
Step S201, electronic installation 100 is connected to the USB interface 20 of external unit 200 by USB connecting line 300, obtains electric current from the USB interface 20 of this external unit 200;
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 mode switch module judges that the electric current that current detecting module 11 detects no longer increases, determines that 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 the external unit 200 determined, determine the maximum output power of the USB interface 20 of external unit 200, and switch the mode of operation of electronic installation 100 according to the maximum output power power of the USB interface 20 of external unit 200;
Step S205, works under electronic installation 100 mode of operation after handover.
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 that current detecting module 11 is detected is normal specifications power, the radio-frequency power of wireless routing device is adjusted to low-power output mode by this mode of operation handover module 13, 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 provided of USB interface 20 that current detecting module 11 detects external unit 200 is large gauge power, also radio-frequency power can be adjusted to high-power output pattern, then the radio frequency of wireless routing device is set to two-output impulse generator 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 that current detecting module 11 is detected is large gauge power, Battery control module 14 is switched to fast mold filling formula by this mode of operation handover module 13, thus Battery control module 14 controls as battery 15 rapid charge.And when the output power of the USB interface 20 of the external unit 200 that current detecting module 11 is detected is normal specifications power, Battery control module 14 is switched to trickle charge pattern by this mode of operation handover module 13, thus Battery control module 14 controls as battery 15 trickle charge.
Be appreciated that the above embodiment is used for illustrative purposes only, and be not limitation of the present invention.The those of ordinary skill of relevant technical field should belong to protection category of the present invention according to the present invention in the change that corresponding technical field is made.
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, the electric current that the USB interface receiving 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, the output current of the load value of load blocks thus the USB interface of increase external unit is reduced for Sustainable Control, and judge whether the output current that current detecting module detects continues to increase, and when the output current judging that current detecting module detects no longer increases, determine the maximum current that the USB interface that the output current that now current detecting module detects is external unit can provide, thus determine the available maximum output power of external unit USB interface, and the mode of operation of electronic installation is adjusted according to this peak power.
2. electronic installation as claimed in claim 1, it is characterized in that, described current detecting module is a resistance, by the magnitude of voltage obtaining this current detecting module, this mode of operation handover module judges whether the electric current that this current detecting module is detected 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 resistant series are between current detecting module and ground, the load value of this mode of operation handover module by regulating the resistance of this digital variable resistance to reduce this load blocks, after this mode of operation handover module determines the peak power output of the USB interface of this external unit, disconnect by controlling this switch, thus control to disconnect 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, when mode of operation handover module Sustainable Control reduces the load value of load blocks and causes the USB interface of described external unit to stop electronic circuitry because of current overload, described USB interface gauge tap is set up immediately and is recovered the connection of electronic installation and external unit USB interface.
5. electronic installation as claimed in claim 1, it is characterized in that, described electronic installation also comprises a battery and a Battery control module, described battery is used for when external unit USB interface is stopped power supply, for electronic circuitry, 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 to determine to the available maximum output power of external unit be normal specifications power to mode of operation handover module, the radio-frequency power of wireless routing device is adjusted to low-power output mode by mode of operation handover module, radio frequency input and output mode is set to single-input single-output pattern, Ethernet pattern is set to 10/100Mbit/s, when to detect the available output power of external unit be large gauge power to detecting module, the radio-frequency power of wireless routing device is adjusted to high-power output pattern, the radio frequency of wireless routing device is set to two-output impulse generator 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, one in e-book, described electronic installation comprises battery and Battery control module, when the output power of the USB interface of mode switch module determination external unit is large gauge power, Battery control module is switched to fast mold filling formula by this mode switch module, thus Battery control module controls as quickly charging battery, and when the output power of the USB interface of mode switch module determination external unit is normal specifications power, Battery control module is switched to trickle charge pattern by this mode of operation handover module, thus Battery control module controls as battery trickle charge.
8. adjust a method for electronic device functions pattern, this electronic installation is powered by USB interface, comprising:
Set up the connection of the USB interface of electronic installation and the USB interface of an external unit;
Reduce one be electrically connected on the load value of the load blocks between electronic installation USB interface and ground thus increase the output current of the USB interface of external unit, and judge whether the electric current that current detecting module detects continues increase;
When judging that the electric current detected no longer increases, determine that the electric current now detected is the available maximum current of USB interface of external unit;
According to the available maximum current of the USB interface of the external unit determined, determine the maximum output power of the USB interface of external unit, and switch the mode of operation of electronic installation according to the maximum output power of the USB interface of external unit.
9. the method for adjustment electronic device functions pattern as claimed in claim 8, it is characterized in that, described electronic installation is a wireless routing device, described " switching the mode of operation of electronic installation according to the maximum output power of the USB interface of external unit " comprising: when to determine to the available maximum output power of external unit be normal specifications power to mode of operation handover module, the radio-frequency power of wireless routing device is adjusted to low-power output mode by mode of operation handover module, radio frequency input and output mode is set to single-input single-output pattern, Ethernet pattern is set to 10/100Mbit/s, when to detect the available output power of external unit be large gauge power to detecting module, the radio-frequency power of wireless routing device is adjusted to high-power output pattern, the radio frequency of wireless routing device is set to two-output impulse generator pattern, Ethernet pattern is set to 10/100/1000Mbit/s.
10. the method for adjustment electronic device functions pattern as claimed in claim 8, it is characterized in that, described electronic installation is mobile phone, e-book, one in digital camera, described " switching the mode of operation of electronic installation according to the maximum output power of the USB interface of external unit " comprising: when the output power of the USB interface of mode switch module determination external unit is large gauge power, Battery control module is switched to fast mold filling formula by this mode switch module, thus Battery control module controls as quickly charging battery, and when the output power of the USB interface of mode switch module determination external unit is normal specifications power, Battery control module is switched to trickle charge pattern by this mode of operation handover module, thus Battery control module controls 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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| EP2957984A1 (en) * | 2014-06-18 | 2015-12-23 | Thomson Licensing | Method for power management and corresponding apparatus |
| CN104124734B (en) * | 2014-07-22 | 2016-09-14 | 深圳市富满电子集团股份有限公司 | A kind of charging system and charging method |
| CN104578305B (en) * | 2015-01-21 | 2018-02-23 | 深圳市冠旭电子股份有限公司 | A kind of USB aptitude chargeable circuits and charging device |
| CN106294251B (en) * | 2015-05-27 | 2020-12-18 | 联想(北京)有限公司 | Electronic device 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 |
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