CN102290833A - Electronic device and charging method thereof - Google Patents

Electronic device and charging method thereof Download PDF

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Publication number
CN102290833A
CN102290833A CN2010102036724A CN201010203672A CN102290833A CN 102290833 A CN102290833 A CN 102290833A CN 2010102036724 A CN2010102036724 A CN 2010102036724A CN 201010203672 A CN201010203672 A CN 201010203672A CN 102290833 A CN102290833 A CN 102290833A
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China
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rechargeable device
power
power supply
unit
testing circuit
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CN2010102036724A
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Chinese (zh)
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翁伯敏
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Hannstar Display Corp
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Hannstar Display Corp
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Priority to CN2010102036724A priority Critical patent/CN102290833A/en
Publication of CN102290833A publication Critical patent/CN102290833A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention relates to an electronic device which is used for charging a rechargeable device and comprises a power supply and interruption system and a detection circuit, wherein the detection circuit is electrically connected with the power supply and interruption system, and when the power supply and interruption system is in a power saving mode and the detection circuit detects that the rechargeable device is not fully charged, the detection circuit controls the power supply and interruption system to supply power to the rechargeable device.

Description

Electronic installation and charging method thereof
Technical field
This case proposes a kind of electronic installation and charging method thereof that rechargeable device is charged of being used for, particularly a kind of display unit and charging method thereof that rechargeable device is charged of being used for.
Background technology
Progress along with science and technology, and the lasting reduction of product price, many portable type electronic products, for example: mobile phone, digital camera, music player are (for example: the MP3 player) etc., become more and more general, even become a part indispensable in people's daily life.The relation of these portable type electronic products because of often using generally all must be charged often.Property just has some general electric connection specifications to be developed and to formulate out, for example: universal serial bus (USB) specification, the Institute of Electrical and Electronics Engineers (IEEE) 1394 (IEEE 1394) specification etc. for convenience.Therefore, the user just can charge to these portable type electronic products as long as use the charging device of identical specification.
Present electronic installation, particularly display unit on the market, for example: television set, monitor, digital frame etc., often append the USB function.General user can utilize the USB end to connect mobile phone, MP3 player, digital camera etc. usually, charges.When but if the system of electronic installation enters the situation of power saving (power saving) pattern; because meet the cause of some environmental protection regulations; for example: (the U.S.Environmental Protection Agency of Environmental Protection Agency USA; EPA) Energy Star of being announced (Energy Star) plan regulations just can't have the function of charging this moment.For instance, the regulations that Energy Star is 4.0 editions: the consumption rate of system when the situation of battery saving mode must be less than 1 watt (watt), and 5.0 editions then further be contracted to must be less than 0.5 watt.Because environmental issue comes into one's own day by day, will have more that the polyelectron product must meet some environmental protection regulations a future, could sell on the market.
On the other hand, pull out when the user forgets the MP3 that will charge electricity, the voltage that MP3 substitutes the bad for the good originally can be back in the system gradually, and the time is after causing MP3 not have voltage fully for a long time.With present above-mentioned several situations, very inconvenient concerning the user, cause a lot of puzzlements.
In order to address the above problem, the inventor reaches and tests many times and improve through deep study and analysis, develops brand-new electronic installation and charging method thereof finally, can effectively address the above problem.
Summary of the invention
The invention provides a kind of electronic installation and charging method thereof that rechargeable device is charged of being used for, can effectively solve electronic installation and under battery saving mode, can't charge, and rechargeable device is not pulled out the problem that voltage can reflux gradually after charging is finished.
It is a kind of in order to the electronic installation to rechargeable device charging that this case provides, and it comprises a power supply outage system; An and testing circuit, be electrically connected with this power supply outage system, wherein work as this electronic installation and be in an off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, this testing circuit is controlled this power supply outage system and is powered to this rechargeable device, and wherein this electronic installation is TV, monitor, desktop PC or digital frame.
It is a kind of in order to the electronic installation to rechargeable device charging that this case provides in addition, and it comprises a power supply outage system; And a testing circuit, be electrically connected with this power supply outage system, wherein, this testing circuit charged when finishing when detecting this rechargeable device, and this power supply outage system cuts off the charging operations to this rechargeable device.
This case also provides a kind of charging method, uses an electronic installation that one rechargeable device is charged.This charging method comprises the following steps: to detect this electronic installation and whether is in an off-mode; Whether detect this rechargeable device charges and finishes; And finish when this rechargeable device is still uncharged, and this electronic installation powers this electronic installation to this rechargeable device when being in this off-mode, and wherein this electronic installation is TV, monitor, desktop PC or digital frame.
This case provides a kind of charging method again, and in order to rechargeable device charging, this charging method comprises the following steps: that (1) detect this rechargeable device and whether charge and finish; And (2) charged when finishing when this rechargeable device, cuts off the charging operations to this rechargeable device automatically.
Description of drawings
Fig. 1 is the assembly connection diagram of the electronic installation of first embodiment of the invention;
Fig. 2 is the assembly connection diagram of the electronic installation of second embodiment of the invention;
Fig. 3 is the assembly connection diagram of the electronic installation of third embodiment of the invention;
Fig. 4 is the assembly connection diagram of the electronic installation of fourth embodiment of the invention;
Fig. 5 is the flow chart of the charging method of fifth embodiment of the invention;
Fig. 6 is the flow chart of the charging method of sixth embodiment of the invention;
Fig. 7 (A) is the connection diagram of assembly under normal mode of the electronic installation of seventh embodiment of the invention;
Fig. 7 (B) is the connection diagram of assembly under battery saving mode of the electronic installation of seventh embodiment of the invention;
Fig. 8 (A) is the connection diagram of assembly under normal mode of the electronic installation of eighth embodiment of the invention;
Fig. 8 (B) is the connection diagram of assembly under battery saving mode of the electronic installation of eighth embodiment of the invention.
Embodiment
First embodiment
Please refer to Fig. 1, it is the assembly connection diagram of the electronic installation of first embodiment of the invention.In the present embodiment, electronic installation 1 can be used for a rechargeable device 9 is charged.Electronic installation 1 can comprise power supply outage system 10 and testing circuit 11., testing circuit 11 charged when finishing the charging operations that power supply outage system 10 can cut off rechargeable device 9 when detecting rechargeable device 9.This of present embodiment kind of design can be avoided original voltage or electric current of having substituted the bad for the good in the rechargeable device 9, after after a while, is back to gradually in the power supply outage system 10.This kind situation often occurs in electronic installation 1 and itself has the function of automatic switchover normal mode and battery saving mode, to meet the environmental protection regulations, and after rechargeable device 9 is charged, electronic installation 1 does not receive any instruction in a period of time, just automatically switch to battery saving mode, this moment, electronic installation 1 often only had standby (standby) electric power trace to consume the situation that easy generation electric current refluxes gradually.When current reflux took place, the user must separate rechargeable device 9 earlier with outage system 10 electricity of powering, and then is electrically connected, and with charging again, this can cause user's inconvenience, and wastes energy.The design of present embodiment can be avoided the situation of above-mentioned current reflux, saves the energy, and provides suitable convenience to the user.
Electronic installation 1 in the present embodiment can be television set (for example: LCD TV, plasma-screen television etc.), monitor (for example: cathode ray tube (CRT) monitor, LCD monitor etc.), computer, digital frame, projector, game machine etc., but is not limited to this.Rechargeable device 9 in the present embodiment is generally common portable electron device, therefore need charge often, for example: mobile phone, digital camera, video camera, music player are (for example: MP3 player etc.), video player (for example: mpeg player, DVD player, blu-ray player etc.), PDA(Personal Digital Assistant), global positioning system (GPS) display etc., but be not limited to this, and said apparatus also can combine, and for example mobile phone and digital camera is combined.Testing circuit 11 in the present embodiment can be a chip (chip).
Second embodiment
Please refer to Fig. 2, the assembly annexation of the electronic installation of present embodiment can be as shown in Figure 2.In the present embodiment, electronic installation 2 can be used for a rechargeable device 9 is charged.Electronic installation 2 can comprise power supply outage system 20 and testing circuit 21.Rechargeable device 9 is still uncharged to finish when testing circuit 21 detects, and power supply outage system 20 is when being in off-mode, and testing circuit 21 can control power supply outage systems 20 continues power supply and gives rechargeable device 9.Traditional electronic installation is when being in off-mode, and only surplus standby (standby) electric power trace consumes, and can't externally charge, and often causes still uncharged finishing, even still unchargedly just can't continue to charge to half, causes the suitable puzzlement of user.The design of present embodiment uses testing circuit 21 to detect and control, and in the time of can avoiding electronic installation to be in off-mode, therefore the still uncharged problem that finishes and just can't continue to charge of rechargeable device 9 can significantly promote user's convenience.
Example in the practical application of electronic installation 2 in the present embodiment, rechargeable device 9 and testing circuit 21 can be described in first embodiment.
The 3rd embodiment
Please refer to Fig. 3, the assembly annexation of the electronic installation of present embodiment can be as shown in Figure 3.In the present embodiment, electronic installation 3 can be used for a rechargeable device 9 is charged.Electronic installation 3 can comprise power supply outage system 30 and testing circuit 31, and power supply outage system 30 then can comprise power-supply unit 301, prevent voltage reflux unit 302 and power supply output unit 303 that connection relationship as shown in Figure 3; Wherein, power-supply unit 301 output currents via preventing voltage reflux unit 302 and power supply output unit 303, charge to rechargeable device 9.
Charged when finishing when testing circuit 31 detects rechargeable device 9, testing circuit 31 can send signal, and control prevents voltage reflux unit 302, makes power-supply unit 301 and power supply output unit 303 open circuit.Therefore, this of present embodiment kind of design can be avoided original voltage or electric current of having substituted the bad for the good in the rechargeable device 9, after after a while, is back to gradually in the power-supply unit 301.This kind situation often occurs in electronic installation 3 and itself has the function of automatic switchover normal mode and battery saving mode, to meet the environmental protection regulations, and after rechargeable device 9 is charged, electronic installation 3 does not receive any instruction in a period of time, just automatically switch to battery saving mode, power-supply unit 301 in the electronic installation 3 often only has standby (standby) electric power trace to consume the situation that easy generation electric current refluxes gradually at this moment.When current reflux took place, the user must separate rechargeable device 9 earlier with power supply output unit 303 electricity, and then is electrically connected, and with charging again, can cause user's inconvenience like this, and waste energy.The design of present embodiment can be avoided the situation of above-mentioned current reflux, saves the energy, and to facilitating property of user.
As above-mentioned, when detecting rechargeable device 9, testing circuit 31 charged when finishing, prevent that voltage reflux unit 302 from can make power-supply unit 301 and power supply output unit 303 open circuit, even therefore rechargeable device 9 still is connected with power supply output unit 303, still can prevent the current reflux that has charged.
Further, in some situation, the user can open the rechargeable device 9 that use still is connected power supply output unit 303, and for example rechargeable device 9 is a MP3 music player, and the user opens listoning music.At this moment, rechargeable device 9 electric power that has been full of electricity originally just can begin to consume.The further design of present embodiment can make testing circuit 31 continue to detect the power condition of the rechargeable battery in the rechargeable device 9.When this rechargeable battery is in when not filling full situation, testing circuit 31 just can send signal, control prevents voltage reflux unit 302, makes power-supply unit 301 electrically connect with power supply output unit 303 again, and charges via 303 pairs of rechargeable device 9 of power supply output unit.
In the present embodiment, because as long as charging device 9 still is connected with electronic installation 3, testing circuit 31 just can continue to detect the power condition of the rechargeable battery in the rechargeable device 9, and carry out above-mentioned rechargeable battery fill full after, prevent that voltage reflux unit 302 from can make power-supply unit 301 and power supply output unit 303 open circuit, reflux to prevent charging current; Rechargeable battery in rechargeable device 9 has power consumption, prevents that voltage reflux unit 302 from just making power-supply unit 301 and power supply output unit 303 electrically connect again, and rechargeable device 9 is charged.So repetitive cycling can reach energy savings, and the dual purpose that offers the convenience of user's the best.
Example in the practical application of electronic installation 3 in the present embodiment, rechargeable device 9 and testing circuit 31 can be described in first embodiment.In addition, the power-supply unit in the present embodiment 301 can be distribution panelboard, power board (power board), power supply unit etc.; Prevent that voltage reflux unit 302 from can be switch, two end assemblies or three end assemblies; Power supply output unit 303 can be the output unit (or output port) of universal serial bus (USB) and the Institute of Electrical and Electronics Engineers (IEEE) 1394 specifications such as (IEEE 1394).Generally comparatively widely used charging output is USB output (USB output).
The 4th embodiment
Please refer to Fig. 4, the assembly annexation of the electronic installation of present embodiment can be as shown in Figure 4.In the present embodiment, electronic installation 4 can be used for a rechargeable device 9 is charged.Electronic installation 4 can comprise power supply outage system 40 and testing circuit 41, and power supply outage system 40 then can comprise power-supply unit 401, prevent voltage reflux unit 402 and power supply output unit 403 that connection relationship as shown in Figure 4; Wherein, power-supply unit 401 output currents via preventing voltage reflux unit 402 and power supply output unit 403, charge to rechargeable device 9.
Rechargeable device 9 is still uncharged to finish when testing circuit 41 detects, and when power supply outage system 40 is in off-mode, testing circuit 41 can send signal controlling and prevent that voltage reflux unit 402 is for opening (on) state, make power-supply unit 401 output currents, via preventing voltage reflux unit 402 and power supply output unit 403, continue power supply and charge for rechargeable device 9.Therefore design in the present embodiment, in the time of can avoiding electronic installation 4 to be in off-mode, the still uncharged problem that finishes and just can't continue to charge of rechargeable device 9 can significantly promote user's convenience.
Example in the practical application of electronic installation 4 in the present embodiment, rechargeable device 9 and testing circuit 41 can be described in first embodiment.In addition, the power-supply unit in the present embodiment 401, prevent that the example in voltage reflux unit 402 and 403 practical applications of power supply output unit can be described in the 3rd embodiment.
For instance, electronic installation 4 is the monitor of a computer, and rechargeable device 9 is a mobile phone, and this monitor has the power supply output unit, and it is the USB output.When this computer does not receive any instruction through a period of time, just start battery saving mode automatically.This computer is for meeting the environmental protection computer of Energy Star (Energy Star) plan regulations that Environmental Protection Agency USA (EPA) announced 5.0 editions; power-supply unit in this computer-chronograph; it is a power supply unit, and its power consumption under battery saving mode is less than 0.5 watt.According to the design of present embodiment, this computer has a testing circuit 41, and it is a chip, and has one and prevent voltage reflux unit 402, being electrically connected between its control power supply unit and USB output.When detection chip detects the computer starting battery saving mode or computer is in off-mode, and detect that mobile phone is still uncharged to finish, just can send signal and prevent that to this voltage reflux unit 402 from making its unlatching (on state), and make power supply unit continue power supply, to continue charging to this mobile phone.
The 5th embodiment
Please refer to Fig. 5, it is the flow chart of the charging method of fifth embodiment of the invention.In the present embodiment, at first whether detection. electronics is in battery saving mode or is in off-mode in step 51, if when detecting electronic installation and being in battery saving mode or off-mode, whether then detect rechargeable device in step 52 charges and finishes, rechargeable device is still uncharged to finish as if detecting, then carry out step 53, this electronic installation is powered to this rechargeable device.That is to say, be to be in battery saving mode or to be in off-mode when detecting electronic installation, and detect when rechargeable device is still uncharged to finish, make this electronic installation continue power supply and give this rechargeable device, charge.Therefore, the charging method in the present embodiment can avoid electronic installation to be in battery saving mode or when being in off-mode, and the still uncharged problem that finishes and just can't continue to charge of rechargeable device, therefore can significantly promote user's convenience.
In addition, the step 51 of the charging method in the present embodiment and the sequencing of step 52 can exchange, promptly can advanced row step 52: detect rechargeable device and whether charge and finish, rechargeable device is still uncharged to finish as if detecting, then carry out step 51, whether detection. electronics is in battery saving mode or is in off-mode.If when detecting electronic installation and being in battery saving mode or being in off-mode, then carry out step 53: this electronic installation is powered to this rechargeable device.On the other hand, the step 51 of the charging method in the present embodiment and step 52 also can be carried out simultaneously, all can reach the technique effect that present embodiment will reach.
The 6th embodiment
Please refer to Fig. 6, it is the flow chart of the charging method of sixth embodiment of the invention.In the present embodiment, at first in step 61, detect rechargeable device and whether charge and finish, charged and finish, then carry out step 62, cut off charging operations automatically rechargeable device if detect rechargeable device.Therefore, after the charging method in the present embodiment can avoid the rechargeable device charging to finish, through after a while, current reflux was to the situation of the device that charging is provided, so the charging method in the present embodiment can be saved the energy, and offers user's convenience.
The 7th embodiment
Please refer to Fig. 7 (A), it is the connection diagram of assembly under normal mode of the electronic installation of seventh embodiment of the invention.In the present embodiment, electronic installation 7 comprises a power supply output unit (power control circuit plate (power board) 701 for example, or abbreviation power board), switch 702a, 702b, 702c and system circuit board (system board, or abbreviation system board) 72.Power control circuit plate 701 can provide a plurality of identical and/or different voltage outputs, for example voltage outputs such as the 24V (volt) shown in Fig. 7 (A), 12V, 5V, and wherein 5V (SB) is 5 volts standby (standby, SB) electric power output.System circuit board 72 comprises power supply output unit (for example the USB output port 703) and detection chip 71.Power control circuit plate 701 output currents, via switch 702a, USB output 703, power supply charges for rechargeable device 9.When electronic installation 7 is in normal mode following time, power control circuit plate 701 provides all voltage output, so switch 702a, 702b, 702c all are in the state of unlatching (on).
Please refer to Fig. 7 (B), it is the connection diagram of assembly under battery saving mode of the electronic installation of seventh embodiment of the invention.In the present embodiment, when detecting power control circuit plate 701, detection chip 71 is in battery saving mode, and detect when rechargeable device 9 is still uncharged to finish, detection chip 71 can be sent signal, with control switch 702a is unlatching (on) state, make power control circuit plate 701 output currents,, continue power supply and charge for rechargeable device 9 via switch 702a and USB output 703.Shown in Fig. 7 (B),, so exporting, other 12V, 24V in the power control circuit plate 701 all stop, to reach purpose of power saving because under battery saving mode, switch 702b, 702c all are in the state of closing (off).In addition, switch 702a, 702b in the present embodiment, 702c build in power control circuit plate 701 or the system circuit board 72 in also can be optionally.In addition, detection chip 71 is built on the system circuit board 72 in also can be not, and optionally independent or in be built on other circuit board.
Comprehensively above-mentioned, when present embodiment can avoid present electronic installation to be in battery saving mode, and the still uncharged problem that finishes and just can't continue to charge of rechargeable device, so present embodiment can significantly promote user's convenience, takes into account less electricity consumption simultaneously again.
The 8th embodiment
Please refer to Fig. 8 (A), it is the connection diagram of assembly under normal mode of the electronic installation of eighth embodiment of the invention.In the present embodiment, electronic installation 8 comprises a power supply output unit (for example power control circuit plate (power board) 801), switch 802a, 802b, 802c and system circuit board (system board) 82.Power control circuit plate 801 can provide a plurality of identical and/or different voltage outputs, for example voltage outputs such as the 24V (volt) shown in Fig. 8 (A), 12V, 5V, and wherein 5V (SB) is 5 volts standby (standby, SB) electric power output.System circuit board 82 comprises power supply output unit (for example the USB output port 803) and detection chip 81.Power control circuit plate 801 output currents, via switch 802a, USB output 803, power supply charges for rechargeable device 9.When electronic installation 8 is in normal mode following time, power control circuit plate 801 provides all voltage output, so switch 802a, 802b, 802c all are in the state of unlatching (on).
Please refer to Fig. 8 (B), it is the connection diagram of assembly under battery saving mode of the electronic installation of eighth embodiment of the invention.In the present embodiment, when detecting rechargeable device 9, detection chip 81 charged when finishing, this moment is no matter whether power control circuit plate 801 is under the battery saving mode, detection chip 81 all can be sent signal, become (off) state of closing with control switch 802a, and then make power control circuit plate 801 and USB output 803 become to open circuit, so the voltage or the electric current that have charged in the electric rechargeable device 9 just can not be back to power control circuit plate 801, therefore present embodiment can be saved the energy, and significantly promotes user's convenience.
As described in the 3rd embodiment, in some situation, the user can open the rechargeable device 9 that use still is connected USB output port 803, and for example rechargeable device 9 is a MP3 music player, and the user opens listoning music.At this moment, rechargeable device 9 electric power that has been full of electricity originally just can begin to consume.The 3rd embodiment roughly the same, the detection chip 81 of present embodiment continues to detect the power condition of the rechargeable battery in the rechargeable device 9.When this rechargeable battery is in when not filling full situation, testing circuit 81 just can send signal, control switch 802a opens again, make power supply circuit plate 801 electrically connect with USB output 803 again, be that switch 802a is unlatching (on) state, and charge via 803 pairs of rechargeable device 9 of USB output port.
In the present embodiment, because as long as charging device 9 still is connected with electronic installation 3, testing circuit 81 just can continue to detect the power condition of the rechargeable battery in the rechargeable device 9, and carry out above-mentioned rechargeable battery fill full after, power supply circuit plate 801 and USB output 803 are opened circuit, reflux to prevent charging current; Rechargeable battery in rechargeable device 9 has power consumption, power supply circuit plate 801 and USB output 803 is electrically connected again, and rechargeable device 9 is charged.So repetitive cycling can reach energy savings, and the dual purpose that offers user's optimum convenience.
In addition, similarly, switch 802a, 802b in the present embodiment, 802c build in power control circuit plate 801 or the system circuit board 82 in also can be optionally.Similarly, detection chip 81 is built on the system circuit board 82 in also can be not, and optionally independent or in be built on other circuit board.
Comprehensive above-mentioned first to the 8th embodiment, two kinds of functions that testing circuit had among the present invention are: 1) rechargeable device is still uncharged to finish when detecting, and when electronic installation was in battery saving mode or is in off-mode, testing circuit can be controlled power supply outage system and continue power supply to rechargeable device; 2) charged when finishing when detecting rechargeable device, power supply outage system can cut off the charging operations to rechargeable device; And when detecting rechargeable device power consumption being arranged, then again rechargeable device is charged.These two kinds of functions also can combine, and therefore first embodiment can be incorporated in the same device with second embodiment.In like manner, the 3rd embodiment also can be incorporated in the same device with the 4th embodiment, and the 7th embodiment also can be incorporated in the same device with the 8th embodiment.In addition, the charging method of the 5th embodiment and the 6th embodiment also can be integrated becomes compound charging method.The neither disengaging of above-mentioned integration spirit of the present invention.
In the present invention's first reference example, provide a kind of electronic installation, in order to a rechargeable device is charged.This electronic installation comprises: a power supply outage system; An and testing circuit, be electrically connected with this power supply outage system, wherein working as this power supply outage system is in a battery saving mode or is in off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, and this testing circuit is controlled this power supply outage system and powered to this rechargeable device.
In the present invention's second reference example, wherein this power supply outage system in the device described in first reference example comprises: a power-supply unit is electrically connected with this testing circuit; One prevents the voltage reflux unit, is electrically connected with this power-supply unit and this testing circuit; And a power supply output unit, prevent that with this voltage reflux unit and this testing circuit are electrically connected, wherein this power-supply unit output current prevents voltage reflux unit and this power supply output unit via this, and this rechargeable device is charged.
In the present invention's the 3rd reference example, wherein as second reference example described in device, when this power supply outage system is in this battery saving mode or is in off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, this testing circuit is controlled this power-supply unit, via this power supply output unit, this rechargeable device is given in power supply.
In the present invention's the 4th reference example, wherein as second reference example described in device, charged when finishing when this testing circuit detects this rechargeable device, this testing circuit is controlled this and is prevented the voltage reflux unit, makes this power-supply unit and this power supply output unit open circuit.
In the present invention's the 5th reference example, wherein the transmission standard of this power supply output unit in the device described in second reference example comprises universal serial bus (USB) specification and the Institute of Electrical and Electronics Engineers (IEEE) 1394 (IEEE 1394) specification, and this power-supply unit is distribution panelboard, power board or power supply unit.
In the present invention's the 6th reference example, wherein the device described in first reference example can be TV, monitor, computer, digital frame, audio and video player or its composition, wherein this rechargeable device can be mobile phone, camera, video camera, portable music player, portable type image player, PDA(Personal Digital Assistant), global positioning system (GPS) display or its composition, and this prevents that the voltage reflux unit from can be switch, two end assemblies or three end assemblies.
In the present invention's the 7th reference example, provide a kind of electronic installation, in order to a rechargeable device is charged.This electronic installation comprises: a power supply outage system; And a testing circuit, be electrically connected with this power supply outage system, wherein, this testing circuit charged when finishing when detecting this rechargeable device, and this power supply outage system cuts off the charging operations to this rechargeable device.
In the present invention's the 8th reference example, wherein the device described in the 7th reference example comprises: a power-supply unit is electrically connected with this testing circuit; One prevents the voltage reflux unit, is electrically connected with this power-supply unit and this testing circuit; And a power supply output unit, prevent that with this voltage reflux unit and this testing circuit are electrically connected, wherein this power-supply unit output current prevents voltage reflux unit and this power supply output unit via this, and this rechargeable device is charged.
In the present invention's the 9th reference example, wherein as the 8th reference example described in device, charged when finishing when this testing circuit detects this rechargeable device, this testing circuit is controlled this and is prevented the voltage reflux unit, makes this power-supply unit and this power supply output unit open circuit.
In the present invention's the tenth reference example, wherein as the 8th reference example described in device, when this electronic installation is in a battery saving mode or is in off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, and this testing circuit is controlled this power-supply unit and powered to this rechargeable device.
In the present invention's the 11 reference example, wherein the transmission standard of this power supply output unit in the device described in the 8th reference example comprises universal serial bus (USB) specification and the Institute of Electrical and Electronics Engineers (IEEE) 1394 (IEEE 1394) specification, and this power-supply unit is distribution panelboard, power board or power supply unit.
In the present invention's the 12 reference example, wherein the device described in the 7th reference example is TV, monitor, computer, digital frame, audio and video player or its composition, wherein this rechargeable device is mobile phone, camera, video camera, portable music player, portable type image player, PDA(Personal Digital Assistant), global positioning system (GPS) display or its composition, and this prevents that the voltage reflux unit from being switch, two end assemblies or three end assemblies.
In the present invention's the 13 reference example, provide a kind of charging method, use an electronic installation that one rechargeable device is charged.This charging method comprises the following steps: to detect this electronic installation and whether is in a battery saving mode or is in an off-mode; Whether detect this rechargeable device charges and finishes; And finish when this rechargeable device is still uncharged, and this electronic installation powers this electronic installation to this rechargeable device when being in this battery saving mode or being in this off-mode.
In the present invention's the 14 reference example, wherein this electronic installation in the method described in the 13 reference example comprises: a power-supply unit; One prevents the voltage reflux unit, is electrically connected with this power-supply unit; One power supply output unit prevents that with this voltage reflux unit is electrically connected; And a testing circuit, with this power-supply unit, this prevents that voltage reflux unit and this power supply output unit are electrically connected.
In the present invention's the 15 reference example, wherein the method described in the 14 reference example also comprises the following steps: to make this power-supply unit output current, via this power supply output unit, this rechargeable device is charged; Whether use this testing circuit to detect this electronic installation is in this battery saving mode or is in this off-mode; Whether use this testing circuit to detect this rechargeable device charges and finishes; And be in this battery saving mode or be in this off-mode when this electronic installation, and this rechargeable device is still uncharged when finishing, and controls this power-supply unit, and via this power supply output unit, this rechargeable device is given in power supply.
In the present invention's the 16 reference example, wherein as the method described in the 14 reference example also comprise the following steps: to have charged when finishing when this rechargeable device, control this and prevent the voltage reflux unit, so that this power-supply unit and this power supply output unit open circuit.
In the present invention's the 17 reference example, provide a kind of charging method, in order to a rechargeable device is charged.This method comprises the following steps: that (1) detect this rechargeable device and whether charge and finish; And (2) charged when finishing when this rechargeable device, cuts off the charging operations to this rechargeable device automatically.
In the present invention's the 18 reference example, wherein the method described in the 17 reference example also comprises a step: use an electronic installation to this rechargeable device charging, wherein this electronic installation comprises: a power-supply unit; One prevents the voltage reflux unit, is electrically connected with this power-supply unit; One power supply output unit prevents that with this voltage reflux unit is electrically connected; An and testing circuit, with this power-supply unit, this prevents that voltage reflux unit and this power supply output unit are electrically connected, wherein this method also comprises a step: make this power supply output unit output current, prevent voltage reflux unit, this power supply output unit via this, this rechargeable device is charged.
In the present invention's the 19 reference example, wherein as the method described in the 18 reference example also comprise the following steps: to use this testing circuit to detect this rechargeable device whether to charge and finish; And charged when finishing when this rechargeable device, control this and prevent the voltage reflux unit, so that this power-supply unit and this power supply output unit open circuit.
In the present invention's the 20 reference example, wherein as the method described in the 18 reference example also comprise the following steps: to use this testing circuit to detect this rechargeable device whether to charge and finish; Whether use this testing circuit to detect this electronic installation is in this battery saving mode or is in this off-mode; And be in this battery saving mode or be in this off-mode when this electronic installation, and this rechargeable device is still uncharged when finishing, and controls this power-supply unit, and via this power supply output unit, this rechargeable device is given in power supply.
In the present invention's the 21 reference example, wherein the method described in the 17 reference example also comprises the following steps: (3) when this rechargeable device is in the underfill electricity, continues to power to this rechargeable device; And (4) continue repeating step (1) to (3).
Comprehensively above-mentioned, the present invention proposes multiple electronic installation and charging method, utilizing testing circuit whether rechargeable device is charged finishes, and whether electronic installation be in power down mode or be in off-mode and detect, and whether rechargeable device continued charging or open circuit with rechargeable device with the decision electronic installation.So the present invention can solve present electronic installation when being in battery saving mode or being in off-mode, the still uncharged problem that finishes and just can't continue to charge of rechargeable device, and the rechargeable device charging problem that back voltage or electric current reflux gradually that finishes, so can significantly promote user's ease of use, and reach the effect of energy savings simultaneously.
Though the present invention discloses preferred embodiment as above, it is not in order to limit the person skilled in the art of the present invention, without departing from the spirit and scope of the present invention, can do certainly and change and retouching.Therefore protection scope of the present invention is when being as the criterion with the appended scope that claim was defined.This case by any modification that those of ordinary skill in the art made, be equal to replacement, improvement etc., all in the claimed scope of appended claim.

Claims (12)

1. electronic installation in order to rechargeable device charging, comprising:
One power supply outage system; And
One testing circuit, be electrically connected with this power supply outage system, wherein work as this electronic installation and be in an off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, this testing circuit is controlled this power supply outage system and is powered to this rechargeable device, and wherein this electronic installation is TV, monitor, desktop PC or digital frame.
2. device as claimed in claim 1 is characterized in that, this power supply outage system comprises:
One power-supply unit is electrically connected with this testing circuit;
One prevents the voltage reflux unit, is electrically connected with this power-supply unit and this testing circuit; And
One power supply output unit prevents that with this voltage reflux unit and this testing circuit are electrically connected, wherein:
This power-supply unit output current prevents voltage reflux unit and this power supply output unit via this, and this rechargeable device is charged;
When this electronic installation is in this off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, and this testing circuit is controlled this power-supply unit, and via this power supply output unit, this rechargeable device is given in power supply; And
Charged when finishing when this testing circuit detects this rechargeable device, this testing circuit is controlled this and is prevented the voltage reflux unit, makes this power-supply unit and this power supply output unit open circuit.
3. device as claimed in claim 2, it is characterized in that, this rechargeable device is mobile phone, camera, video camera, portable music player, portable type image player, PDA(Personal Digital Assistant), global positioning system (GPS) display or its composition, the transmission standard of this power supply output unit comprises universal serial bus (USB) specification and the Institute of Electrical and Electronics Engineers (IEEE) 1394 (IEEE 1394) specification, this power-supply unit is distribution panelboard, power board or power supply unit, and this prevents that the voltage reflux unit from being switch, two end assemblies or three end assemblies.
4. electronic installation in order to rechargeable device charging, comprising:
One power supply outage system; And
One testing circuit is electrically connected with this power supply outage system, has wherein charged when finishing when this testing circuit detects this rechargeable device, and this power supply outage system cuts off the charging operations to this rechargeable device.
5. device as claimed in claim 4 is characterized in that, this power supply outage system comprises:
One power-supply unit is electrically connected with this testing circuit;
One prevents the voltage reflux unit, is electrically connected with this power-supply unit and this testing circuit; And
One power supply output unit prevents that with this voltage reflux unit and this testing circuit are electrically connected, wherein:
This power-supply unit output current prevents voltage reflux unit and this power supply output unit via this, and this rechargeable device is charged;
Charged when finishing when this testing circuit detects this rechargeable device, this testing circuit is controlled this and is prevented the voltage reflux unit, makes this power-supply unit and this power supply output unit open circuit; And
When this electronic installation is in an off-mode, and this testing circuit detects when this rechargeable device is still uncharged to finish, and this testing circuit is controlled this power-supply unit and powered to this rechargeable device.
6. device as claimed in claim 5, it is characterized in that, this device is TV, monitor, computer, digital frame, audio and video player or its composition, wherein, this rechargeable device is a mobile phone, camera, video camera, portable music player, the portable type image player, PDA(Personal Digital Assistant), global positioning system (GPS) display or its composition, the transmission standard of this power supply output unit comprises universal serial bus (USB) specification and the Institute of Electrical and Electronics Engineers (IEEE) 1394 (IEEE 1394) specification, this power-supply unit is a distribution panelboard, power board or power supply unit, this prevents that the voltage reflux unit from being switch, two end assemblies or three end assemblies.
7. device as claimed in claim 4, it is characterized in that, this testing circuit continues to detect the charge condition of this rechargeable device, when this rechargeable device is in the underfill electricity, this testing circuit is controlled this power supply outage system and is powered to this rechargeable device, and when this rechargeable device was full of electricity, this power supply outage system cut off the charging operations to this rechargeable device.
8. a charging method uses an electronic installation that one rechargeable device is charged, and comprises the following steps:
Detect this electronic installation and whether be in an off-mode;
Whether detect this rechargeable device charges and finishes; And
Finish when this rechargeable device is still uncharged, and this electronic installation powers this electronic installation to this rechargeable device when being in this off-mode, wherein this electronic installation is TV, monitor, desktop PC or digital frame.
9. method as claimed in claim 8 is characterized in that, this electronic installation comprises:
One power-supply unit;
One prevents the voltage reflux unit, is electrically connected with this power-supply unit;
One power supply output unit prevents that with this voltage reflux unit is electrically connected; And
One testing circuit, with this power-supply unit, this prevents that voltage reflux unit and this power supply output unit are electrically connected, wherein this charging method also comprises the following steps:
Make this power-supply unit output current,, this rechargeable device is charged via this power supply output unit;
Use this testing circuit to detect this power-supply unit and whether be in this off-mode;
Whether use this testing circuit to detect this rechargeable device charges and finishes;
When this power-supply unit is in this off-mode, and this rechargeable device is still uncharged when finishing, and controls this power-supply unit, and via this power supply output unit, this rechargeable device is given in power supply; And
Charged when finishing when this rechargeable device, controlled this and prevent the voltage reflux unit, so that this power-supply unit and this power supply output unit open circuit.
10. a charging method in order to rechargeable device charging, comprises the following steps:
Whether (1) detect this rechargeable device charges and finishes; And
(2) charged when finishing when this rechargeable device, cut off charging operations automatically this rechargeable device.
11. method as claimed in claim 10 is characterized in that, also comprises a step: use an electronic installation to this rechargeable device charging, wherein this electronic installation comprises:
One power-supply unit;
One prevents the voltage reflux unit, is electrically connected with this power-supply unit;
One power supply output unit prevents that with this voltage reflux unit is electrically connected; And
One testing circuit, with this power-supply unit, this prevents that voltage reflux unit and this power supply output unit are electrically connected, wherein this charging method also comprises the following steps:
Make this power supply output unit output current, prevent voltage reflux unit, this power supply output unit, this rechargeable device is charged via this;
Whether use this testing circuit to detect this rechargeable device charges and finishes;
Use this testing circuit to detect this power-supply unit and whether be in this off-mode;
Charged when finishing when this rechargeable device, controlled this and prevent the voltage reflux unit, so that this power-supply unit and this power supply output unit open circuit;
When this power-supply unit is in this off-mode, and this rechargeable device is still uncharged when finishing, and controls this power-supply unit, and via this power supply output unit, this rechargeable device is given in power supply.
12. method as claimed in claim 10 also comprises the following steps:
(3) when this rechargeable device is in the underfill electricity, continues power supply and give this rechargeable device; And
(4) continue repeating step (1) to (3).
CN2010102036724A 2010-06-17 2010-06-17 Electronic device and charging method thereof Pending CN102290833A (en)

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CN103413986A (en) * 2013-08-27 2013-11-27 贝壳网际(北京)安全技术有限公司 Method and device for automatically stopping charging after full charge of mobile terminal
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CN104184116A (en) * 2013-05-22 2014-12-03 富泰华工业(深圳)有限公司 Protection circuit and electronic device provided with protection circuit
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CN102768570A (en) * 2011-12-23 2012-11-07 联想(北京)有限公司 Electronic equipment
CN102768570B (en) * 2011-12-23 2016-10-05 联想(北京)有限公司 A kind of electronic equipment
CN102969745A (en) * 2012-05-08 2013-03-13 深圳Tcl新技术有限公司 Television with independent charging function and charging method
CN102749980A (en) * 2012-05-25 2012-10-24 深圳Tcl新技术有限公司 Method and system for charging external universal serial bus (USB) device when universal serial bus (USB) primary device is in a standby state
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CN104184116B (en) * 2013-05-22 2018-04-27 富泰华工业(深圳)有限公司 Protect circuit and the electronic device with the protection circuit
CN103413986A (en) * 2013-08-27 2013-11-27 贝壳网际(北京)安全技术有限公司 Method and device for automatically stopping charging after full charge of mobile terminal
CN103780854A (en) * 2014-01-06 2014-05-07 青岛海信电器股份有限公司 Display device standby realizing method, device and circuit and liquid crystal television
CN103944218A (en) * 2014-04-02 2014-07-23 苏州佳世达电通有限公司 Charging protection method and display device
CN103944218B (en) * 2014-04-02 2016-08-17 苏州佳世达电通有限公司 Charge protection method and display device
US9570922B2 (en) 2014-05-02 2017-02-14 Acer Incorporated Charging method and electronic device
CN105098854A (en) * 2014-05-12 2015-11-25 宏碁股份有限公司 Charging method and electronic apparatus
CN105098854B (en) * 2014-05-12 2018-09-25 宏碁股份有限公司 Charging method and electronic device
CN107769337A (en) * 2017-12-05 2018-03-06 李国强 A kind of intelligent charger

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Application publication date: 20111221