CN101589530A - Battery powered charger - Google Patents
Battery powered charger Download PDFInfo
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- CN101589530A CN101589530A CNA2007800478596A CN200780047859A CN101589530A CN 101589530 A CN101589530 A CN 101589530A CN A2007800478596 A CNA2007800478596 A CN A2007800478596A CN 200780047859 A CN200780047859 A CN 200780047859A CN 101589530 A CN101589530 A CN 101589530A
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Abstract
A charger for recharging the batteries of a portable electronic device even when no external power source is available. A battery or cell is installed within the charger, and when no access is available to a fixed power source into which the charger can be plugged, the internal battery or cell can be used to recharge the electronic device. The internal battery can be a primary battery or a secondary battery. In the latter case, the internal battery can be maintained in a charged state by means of circuitry which, when the charger is plugged into the external power source, charges the internal battery as well as the battery of the electronic device. The external power source can be either an AC power wall socket, in which case the charger includes AC/DC voltage conversion circuits, or a car lighter socket, or the DC output of a conventional wall charger.
Description
Technical field
The present invention relates to the field of the charging device of portable electric appts, especially the charging device that uses for mobile phone.
Background technology
Portable electric appts uses inner rechargeable battery (battery) to operate usually.For internal battery is maintained charged state, equipment uses wall type power network adapter unit to be recharged with regular time intervals usually, and the function of this unit is with the available low-voltage that converts the charging input that is suitable for the equipment of being input to than higher voltage AC network voltage at the wall socket place.Simultaneously, such wall type charger usually is adjusted to the charging curve (chargingprofile) of the internal battery of electronic equipment, so that the maximization charge efficiency, and guarantee safe charging.The charger unit utilization of other type available low voltage DC power supply in motor vehicle, cigar lighter socket for example is so that the charging of the internal battery of the equipment of giving.Such external power source is called as fixed power source in this application.And term " wall type charger " is generally used for comprising the charger of any kind in the common insertion fixed power source in this application.
Yet, AC network supply or igniter for automobile socket are always not available when the battery pack of portable set need be charged, and the user then must carry standby rechargeable battery set, this may constitute potential safety hazard, maybe must buy such battery pack, this is simple task always not, because a lot of portable set, mobile phone particularly, use is not the reserve battery group that can extensively obtain.Even then, such battery pack also usually is provided under non-charged state.
U.S. Patent number 6 the present inventor, 479, a solution to this problem has been described among 963 " the Rechargeable Battery Packs ", wherein disclose the novel battery group, it can be equipped with the primary cell (primary cell) that can extensively obtain and recharge with the rechargeable battery of giving portable set.In the common unsettled PCT application number WO/2006/095353 " Portable Battery Operated Power Supply " that announces as international patent application no that also is the present inventor, another solution has been described, wherein, the special external battery pack that preferably includes rechargeable battery is used for realization equipment recharging in any position.
Each solution in these solutions all has its oneself shortcoming.The former requires equipment configuration that special battery pack is arranged, for example in patent, describe, and the latter requires the equipment owner to carry special external battery pack, and guarantees that by with the required time interval external battery pack being connected to traditional wall type charger external battery pack keeps being recharged.
Therefore there are needs to a kind of portable charging system, this charging system has overcome at least some shortcomings of prior art systems and method, so that the user of portable electric appts can recharge only for the internal battery of equipment, and do not need to use fixing charge power source.
Though the term battery pack is strictly said the group that is understood that to mean at least two batteries, this term also is understood that to mean single battery in common usage.Therefore, these two terms, battery pack and battery use in this application interchangeably, and also can be by such requirement, and the quantity and not meaning that by the use of or another term of battery limits in equipment of the present invention.
This part of specification and each announcement of in other parts, mentioning open thus by reference, each is all incorporated into.
Summary of the invention
The application attempts to be provided for providing to portable electric appts the new equipment of power, and it is used for to the portable electric appts power supply, or is used for giving in the time can't utilizing the external stability power supply battery pack of portable electric appts to recharge.The present invention is based on for example use of wall type charger of external charger with relevant attached battery group or battery, can't utilize the fixed power source that can insert external charger for example when wall type power supply point or igniter for automobile socket with box lunch, relevant attached battery group or battery can be used for recharging to the battery pack of electronic equipment.Charging device of the present invention preferably includes charging control and change-over circuit, be used for to convert to by the input voltage that external source provides attached battery group or the required voltage of battery charge to relevant, or the required voltage of input of the external charger input socket of electronic equipment, be used for to power electronic equipment or be used for to the charging of the internal battery of electronic equipment.Charging control and change-over circuit be bidirectional transducer preferably, so that control enters the charging current of relevant attached battery group from external source, and controls the discharging current that enters portable electric appts from relevant attached battery group.The circuit of battery powered charger of the present invention is different from the circuit of prior art multi-source charger, for example in U.S. 7 of people such as K.S.Lee, 166, the circuit of describing among 987 " the Portable Charger for Mobile Phone " is because single two-way DC/DC transducer can provide better simply charger construction as the use of the charge controller of attached battery group.DC output from external source, no matter be directly from the automobile socket or from AC/DC wall type charger, all can be in such voltage level, so that it can be provided directly to mobile electronic device power input socket, or offer the attached battery group by single two-way DC/DC electric pressure converter.This same DC/DC transducer also can be handled when needed from the electric current of battery pack out to mobile device and flow and voltage transitions, so that in fact all charging control and translation function all use single two-way control circuit to carry out owing to its amphicheirality.
Charging control circuit also preferably includes battery pack chemical property testing circuit, the circuit of description in common unsettled International Patent Application PCT/IL2007/001532 " Charging Methods for BatteryPowered Devices " for example, or in the similar battery pack chemical property testing circuit that uses better simply algorithm, known in the art, if make relevant attached battery group or battery be detected as primary cell, forbid that then it recharges.This feature is in battery-powered wall type charger than in the conventional batteries charger even more important, because the extra heat that produces has increased internal temperature, and increased the out of order calamitously possibility of primary cell possibility that wherein is recharged in battery-powered wall type charger when operation.
According to first preferred implementation, attached battery group or battery are installed in the external charger itself, preferably in reserve battery group chamber (cavity).An advantage of the prior art equipment that this execution mode is better than describing hereinbefore is that the electronic equipment user carries conventional wall type charger usually, so that electronic equipment can be recharged in a conventional manner.Therefore, when providing on-the-spot charging ability to the user, the use of the charger of this execution mode of the present invention does not relate to the needs that carry any extras, otherwise the user must carry these extras.
According to second preferred implementation of the present invention, relevant attached battery group or battery and charging control circuit thereof are not contained in the external charging unit itself, and be included in the housing of separation, housing can be connected to the conventional external charger by fly line (flying lead).In common mode,, carry out and being connected of portable electric appts by means of plug or by means of another fly line by the charging input socket of equipment.This execution mode is different from first execution mode, because the attached battery group is contained in the compartment that separates with the external charger circuit.In this regard, external charger output can be considered to be equivalent to the wall type power supply, or is equivalent to the igniter for automobile socket power.
The attached battery group of wall type charger of the present invention can be the primary cell to replace when exhausting that easily a lot of sources obtain, it maybe can be storage battery, in this case, in case charger circuit can be arranged such that the existence that detects secondary cell (secondary cell), when this wall type charger is connected to fixed power source, or if necessary then by charging, if or this secondary cell has been filled electricity in essence then only by trickle charge (trickle charge), keeps battery to be ready for charge condition.
Execution mode according to present invention further optimization, realize and the current strategies of " standby power " that reduce electronic equipment (stand-by power) easier consistent aspect, the existence of battery pack provides the advantage that is better than conventional charger to it in charger.If relevant battery pack is filled electricity, then the circuit of charger of the present invention only need be powered on when portable electric appts provides power at needs.The existence of (on-board) battery pack on the charger can disconnect the charging circuit of charger fully from external source, so that not have use from wall socket or from the standby power of automobile socket at all.Internal battery can be used for to the power supply of very lower powered testing circuit, and this testing circuit is used for monitoring for the power requirement that upgrades portable electric appts.In case such requirement is detected, charging circuit just can reconnect to external source, and can draw power from external source on demand.These are different with conventional charger, it must remain connected to external source usually under holding state, draw trickle-charge current, the needs of this charging current may not be at once, but its to generally have about 5 watts or still less the little wall type charger unit of grade generally consume 250mW.In addition, testing circuit also can be by its terminal voltage or by during the elapsed time since the last time charging operations, the charged state of the charger battery pack on the monitoring charger, and can then when the state of charging is fallen under the predeterminated level, reconnect external source, and no matter whether electronic equipment requires electric current.Even this also keeps being recharged when charger is in the standby mode with the internal battery that can guarantee charger.
The circuit of wall type charger of the present invention is normally multi-functional and two-way, because they must carry out at least some functions in the following function:
(i) when charger inserts fixed power source, no matter be AC wall type power supply, or automobile socket, still the DC of traditional wall type charger unit output, circuit all should preferably be transformed into suitable level with voltage up or down according to voltage that is provided and required voltage, to be provided for the electric current to electronic equipment charging or power supply when electronic equipment is connected.
(ii) when charger inserted fixed power source, (as mentioned above) circuit should be able to be with voltage transitions to suitable level, to be provided for to the attached battery group of wall type charger or the electric current of battery charge.
(iii) circuit should determine preferably that the attached battery group of wall type charger or battery are primary cell or secondary cell, makes if primary cell does not then start the internal battery charging circuit.
(iv) when electronic equipment was connected to wall type charger and charger and is not connected to fixed power source, circuit should make equipment draw charging current from the attached battery group, no matter be primary cell group or secondary battery.
(v) because wall type charger attached battery group needs to be recharged and to discharge under the situation of secondary battery, the circuit of controlling these functions preferably has binary feature, for example describe in the PCT application number PCT/IL2006/000317 that announces as international patent application no WO/2006/095352 " Bidirectional Battery Charge Controller ", this application is here all incorporated into by reference.If the wall type charger plans only to use for the primary cell group, then do not want the amphicheirality.
Therefore preferred implementation according to the present invention provides the charger of the electronic equipment that is used for the battery pack operation, and this charger comprises:
(i) be used to be connected to the input that the external power source of electric current is provided with first voltage,
(ii) be used to be connected to the output of the electronic equipment of battery pack operation,
(iii) be used for when charger is connected to external source, providing the circuit of electric current to electronic equipment,
(iv) be used at least one battery pack is installed in the chamber of charger, described at least one battery pack has and is different from first voltage and is different from the terminal voltage that is input to the required voltage of electronic equipment, described battery pack does not provide electric current to electronic equipment when charger is connected to external power source
(v) bidirectional transducer and charge controller, it is suitable for controlling the electric current that at least one battery pack from be installed in charger is provided to electronic equipment, and control flows into electric current in the few battery pack when charger is connected to external power source, and
(vi) be used to detect the circuit of the chemical property of at least one battery pack.
In the above in the charger of Miao Shuing, bidirectional transducer and charge controller can preferably further be suitable for first voltage transitions is become to be suitable for voltage at least one batteries charging, and terminal voltage converted to are suitable for being input to voltage of electronic equipment.In addition, external power source can make electric current give at least one batteries charging simultaneously, and provides electric current to electronic equipment.And the electric current that offers electronic equipment by charger can be preferably used for the executable operations electronic equipment and give at least one operation in the batteries charging of electronic equipment.
Another preferred implementation according to the present invention further provides aforesaid charger, and wherein transducer and charging control circuit further comprise and be used for when charger is connected to external power source stoping charging current to be provided to the circuit of at least one battery pack.
According to another preferred implementation of the present invention, the circuit that is used to detect the chemical property of at least one battery pack can preferably be suitable for when battery pack chemical property testing circuit has determined that at least one battery pack is the primary cell group, stops charging current to be provided to this at least one battery pack.All or above the charger execution mode in, at least one battery pack that is installed in the charger is mounted preferably replaceablely.In addition, charger can further comprise change-over circuit, and it is used for the voltage transitions of external power source is become to be suitable for being input to voltage of electronic equipment.
In conjunction with above-described charger, external power source is AC network supply or the low voltage DC output of traditional wall type charger or the output of igniter for automobile socket preferably.
Another preferred implementation according to the present invention further provides the charger of the electronic equipment that is used for the battery pack operation, and this charger comprises:
(i) be used to be connected to the input of external power source,
(ii) be used to be connected to the output of the electronic equipment of battery pack operation,
(iii) be used at least one battery pack is installed in the chamber of charger, this battery pack can not provide electric current to electronic equipment when charger is connected to external power source, and
(iv) by at least one battery-powered control circuit, this control circuit be used for when at least one battery pack be filled electricity and when electronic equipment not when charger draws electric current, charger is disconnected from external source.
In such charger, described at least one battery pack can be primary cell group or secondary battery.And, control circuit can preferably be suitable for monitoring the electric current that is drawn by portable electric appts, and when such current requirements surpasses predeterminated level, charger is reconnected to external source, or monitor the charged state of described at least one battery pack, and charger is reconnected to external source under charged state is fallen predeterminated level the time.Under the situation of back, the terminal voltage by monitoring at least one battery pack and at least one in the elapsed time since at least one battery pack is recharged are monitored charged state.At last, in such charger, external source can be preferably network supply, and charger has been eliminated the standby current that draws from network supply in essence from the disconnection of external source.
In any one of above-mentioned charger execution mode, charger can be preferably with housing that electronic equipment physically separates in.
Description of drawings
In conjunction with the accompanying drawings, from following detailed, understand and appreciate the present invention more fully, wherein:
Fig. 1 schematically show the wall type charger of constructing according to the first preferred embodiment of the present invention and operating and with being connected of portable electric appts;
Fig. 2 is the schematic diagram of a preferred implementation that the internal circuit of wall type charger of the present invention is shown;
Fig. 3 schematically shows the wall type charger according to second preferred implementation structure of the present invention and operation, and it is different from the wall type charger of Fig. 1, because in the housing that the attached battery group is installed in external charger is separated; And
Fig. 4 is the schematic diagram of preferred implementation of internal circuit of battery-powered charger that the execution mode of Fig. 3 is shown.
Embodiment
With reference now to Fig. 1,, it schematically shows the wall type charger 10 of constructing according to the first preferred embodiment of the present invention and operating.The wall type charger preferably has the conventional power source pin that is used to insert the wall socket (not shown), though it also can use traditional plug on the end of fly line cable, or the male adapter that uses the cigar lighter socket in the steam supply car to use.Cable 13 provides and being connected of mobile phone 14, and this mobile phone 14 is as can be by the example of the portable electric appts of wall type charger charging.Output can be equally suitably be provided with the form of bearing (cradle), places phone or other electronic equipment in bearing, and does not have stube cable.Yet wall type charger 10 is different from traditional wall type charger, because it also comprises battery cavity 15, in it one or more batteries or battery pack 16 that is preferably secondary cell can be installed.Alternatively and preferably, can use primary cell or battery pack, this is understood that also to comprise fuel cell.Can use the wall type charger in a conventional manner, thus, cable 13 inserts in the charging socket 17 of phone 14, and charges from fixed power source operation phone or to the internal battery of phone.At wall type charger operation phone or when giving the internal battery charging of phone, be under the situation of secondary battery in wall type charger internal battery 16, it also can charge to it, is full of in the electricity condition so that it is maintained.If hope is operated phone or is charged to the telephone cells group under the available situation of the fixed power source of not inserting the wall type charger, then the wall type charger is connected to phone by its cable 13 or by being installed in the charging cradle, and provides electric current from the internal battery 16 of wall type charger to phone.If internal battery 16 is primary cell groups, then the internal circuit of wall type charger is preferably designed so that the charging of prevention to its internal battery 16.
With reference now to Fig. 2,, it is the schematic diagram of a preferred implementation that the internal circuit of wall type charger 10 of the present invention shown in Figure 1 is shown.The higher AC network voltage of importing from fixed power source by power pins of ratio at first preferably is transformed into lower dc voltage downwards AC/DC converter circuit 20.This dc voltage preferably is chosen to be suitable for directly applying to the power input socket of mobile device.Situation at " the wall type charger " that be used for insertion machine motor-car cigar lighter socket, circuit 20 is the DC-DC transducer, it will be transformed into preferably lower dc voltage output from the 12V DC input of cigar lighter socket, in the input that directly is used in mobile device.Externally power supply provides under the situation of traditional wall type charger of low voltage DC output, and AC/DC converter circuit 20 can omit, because external power source comprises these functions.In the execution mode of Fig. 3 and 4, further described this last execution mode.Converter circuit 20 preferably is configured to current source, as the normal conditions in the batteries charging adapter, simply charging current is driven in the power input socket of the phone that is connected to charging cable 13 or miscellaneous equipment.Current-sense resistor 24 preferably provides feedback sense signal 21 to AC/DC converter circuit 20, to limit the charging current that it can be provided to phone or miscellaneous equipment.
The DC output of converter circuit 20 also preferably is connected to two-way DC/DC transducer and charging control circuit 22, and it is directly connected to the internal battery 16 of wall type charger.When bidirectional transducer and charging circuit 22 insert external power source at charger, the control charging current enters flowing of internal battery 16 from the DC of AC/DC converter circuit 20 output or when applicable from the DC power supply, and voltage transitions is become to be suitable for the voltage that charges to internal battery 16.The DC/DC transducer preferably includes battery pack chemical property testing circuit 26, is not secondary battery so that ifs circuit detects internal battery 16, or secondary battery but being in indication does not advise the situation of charging, then can forbid charging current.
When the DC/DC transducer does not insert external power source at charger, also control by charging cable 13 internally battery pack 16 and carry out voltage transitions to the charge current flows of phone or miscellaneous equipment so that internal battery can be given mobile power supply equipment.Two-way charging control circuit 22 therefore operation is controlled the electric current that enters or flow out the internal battery of charger fully, and with voltage transitions to being suitable for to battery pack 16 chargings or the level of powering for mobile device 14.Optionally STATUS holding wire 23 can preferably be arranged to, and notice charging control and change-over circuit 22 so that it can realize the charging to internal battery 16, but are forbidden discharge wherein when the wall type charger inserts external power source.This feature may be useful, because external power source is when being inserted into, can provide phone or other mobile device needed all electric currents usually, and can not need internally battery pack to draw electric current.No matter there is or do not have the situation of STATUS signal input, battery-powered charger of the present invention also is different from those chargers of describing in the prior art usually, because circuit arrangement of the present invention recharges can for its own internal battery 16, and give electric current that phone or other mobile device 14 be provided for operating or the electric current of charging for its internal battery when inserting external power source.
In the predetermined only execution mode for the charger of primary cell group use, two-way charging circuit 22 can be replaced by one-way circuit, and this one-way circuit need only be controlled internally battery pack 16 out to the charge current flows of charging cable 13.
Though for clear, each circuit function schematically shows as the piece that separates, should be understood that in fact all or some functions can preferably be carried out by a multifunctional circuit in Fig. 2.
With reference now to Fig. 3,, it is the indicative icon of the further preferred embodiment of battery-powered charger 30 of the present invention.Charger comprises replaceable when needed attached battery group or battery 32 and charging control circuit (not shown in Fig. 3), it is mobile to the electric current of mobile phone 14 (as the non-limitative example of portable electric appts) from this battery pack or battery that it is used for control, and it is mobile to control the electric current that enters battery pack or battery when being charged by external source.Therefore this execution mode is similar to the execution mode shown in Fig. 1 and 2 conceptive, and not being both in the present embodiment utilized traditional wall type charger 31, and the charger that provides with phone 14 usually for example is as external power source.This tradition wall type charger provides low dc voltage, and this voltage is used for to mobile phone 14 power supplies or gives its internal battery charging, and is used for attached battery group or battery 32 chargings to the battery-powered charger 30 of present embodiment.In preferred implementation shown in Figure 3, battery-powered charger 30 comprises two batteries, but it can equally suitably comprise single battery or battery pack or more than two battery.The advantage of present embodiment is, battery-powered charger 30 is unit independently in addition, and it can be set to optional accessory except the normal wall type charger 31 of equipment.Battery-powered charger 30 preferably is connected to the charging port 17 of portable electric appts by cable 33.For the interchangeability with conventional charger 31 is provided, be arranged on the end of this cable plug 34 preferably with the traditional wall type charger that is arranged on electronic equipment on plug 35 have identical type.Therefore tradition wall type charger can be used for charging to the phone power supply or to the internal battery of phone with one of two kinds of different modes; Perhaps use the traditional wall type charger that directly inserts in the phone, perhaps use traditional wall type charger of the battery-powered charger 30 of supplying with present embodiment, charger 30 is then operated in feedthrough (feed through) charge arrangement.
With reference now to Fig. 4,, it is the schematic diagram of a preferred implementation of internal circuit of battery-powered charger 30 that the execution mode of Fig. 3 of the present invention is shown.Circuit structure is similar to the execution mode of Fig. 2 in essence, and just the AC/DC converter circuit 20 of the execution mode of Fig. 2 is preferably located in traditional wall type charger 31 of Fig. 3 now.DC output current from traditional wall type charger 31 is preferably imported from its cable plug 35 by input socket 36.Tradition wall type charger preferably is configured to current source, as the normal conditions in the batteries charging adapter, directly by battery-powered charger 30 charging current is driven into the charging input socket 17 of phone from input socket 36 simply.Current-sense resistor 44 can preferably be arranged to provide passback system wall type charger 31 with feedback sense signal 41, to limit the charging current that it can be provided to phone.
The DC output of tradition wall type charger external power source also is connected to two-way DC/DC transducer and charging control circuit 42, and it is directly connected to the internal battery 32 of battery-powered charger.But the DC/DC transducer preferably includes battery pack chemical property testing circuit 46, is not secondary battery or secondary battery being under the situation that indication do not advise charging, then can forbids charging current so that ifs circuit detects internal battery 32.When bidirectional transducer and charging circuit 42 are connected to traditional wall type charger external power source at battery-powered charger, control enters the charge current flows of internal battery 32 from input DC power supply, and voltage transitions is become to be suitable for voltage to internal battery 32 chargings.When it is not connected to traditional wall type charger external power source at battery-powered charger, also control by charging cable 33 internally battery pack 32 and carry out voltage transitions and make internal battery can give mobile power supply equipment to the charge current flows of phone or miscellaneous equipment.Two-way charge controller 42 therefore operation fully control the electric current that enters or flow out the internal battery 32 of battery-powered charger and is flowed, and with voltage transitions to the level that is suitable for charging or powering to mobile device 14 to battery pack 32.Optionally STATUS holding wire 43 can preferably be arranged to notice charging control circuit 42 when the wall type charger inserts external power source, so that it can realize the charging of internal battery 16, but forbids discharge wherein.
In the predetermined only execution mode for the charger of primary cell group use, bidirectional transducer and charging circuit 42 can be replaced by one-way circuit, and this one-way circuit need only be controlled internally battery pack 32 out to the charge current flows of charging cable 33.
Those skilled in the art will appreciate that the present invention is not by the content constraints that above illustrates especially and describe.More properly, scope of the present invention comprises the combination and the sub-portfolio of above-described different characteristic, and expect during the description of those skilled in the art on read and not in the prior art variation and change.
Claims (19)
1, a kind of charger, it is used for the electronic equipment of battery pack operation, and described charger comprises:
Be used to be connected to the input that the external power source of electric current is provided with first voltage;
Be used to be connected to the output of the electronic equipment of described battery pack operation;
Be used for when described charger is connected to described external source, giving described electronic equipment that the circuit of electric current is provided;
Be used at least one battery pack is installed in the chamber of described charger, described at least one battery pack has and is different from described first voltage and is different from the terminal voltage that is input to the required voltage of described electronic equipment, when described charger was not connected to described external power source, described battery pack provided electric current for described electronic equipment;
Bidirectional transducer and charge controller, it is used for controlling the electric current that is provided to described electronic equipment from described at least one battery pack that is installed in described charger, and when described charger was connected to described external power source, control flowed into the electric current in described at least one battery pack; And
Be used to detect the circuit of the chemical property of described at least one battery pack.
2, charger as claimed in claim 1, wherein said bidirectional transducer and charge controller further are suitable for described first voltage transitions is become to be suitable for voltage to described at least one batteries charging, and are suitable for described terminal voltage converted to and are suitable for being input to described voltage of electronic equipment.
3, charger as claimed in claim 1, wherein said external power source can make electric current give described at least one batteries charging simultaneously and electric current be provided for described electronic equipment.
4, each described charger in the claim as described above wherein offers at least one the operation that the described electric current of described electronic equipment is used for the described electronic equipment of executable operations and gives the described batteries charging of described electronic equipment by described charger.
5, each described charger in the claim as described above, wherein said transducer and charging control circuit further comprise and are used for stoping when described charger is connected to described external power source charging current to be provided to the circuit of described at least one battery pack.
6, each described charger in the claim as described above, the described circuit that wherein is used to detect the chemical property of described at least one battery pack is suitable for when described battery pack chemical property testing circuit has determined that described at least one battery pack is the primary cell group, stops the electric current that is provided for to described at least one batteries charging.
7, each described charger in the claim as described above, described at least one battery pack that wherein is installed in the described charger is installed replaceablely.
8, each described charger in the claim as described above further comprises change-over circuit, and described change-over circuit is used for the voltage transitions of described external power source is become to be suitable for being input to described voltage of electronic equipment.
9, each described charger in the claim as described above, wherein said external power source is the AC network supply.
10, each described charger in the claim as described above, wherein said external power source is the low voltage DC output of traditional wall type charger.
11, each described charger in the claim as described above, wherein said external power source is the output of igniter for automobile socket.
12, each described charger in the claim as described above, wherein said charger with housing that described electronic equipment physically separates in.
13, a kind of charger, it is used for the electronic equipment of battery pack operation, and described charger comprises:
Be used to be connected to the input of external power source;
Be used to be connected to the output of the electronic equipment of described battery pack operation,
Be used at least one battery pack is installed in the chamber of described charger, described at least one battery pack provides electric current can for described electronic equipment when described charger is connected to described external power source; And
By described at least one battery-powered control circuit, described control circuit be used for when described at least one battery pack be filled the electricity and described electronic equipment when described charger draws electric current, described charger is disconnected from described external source.
14, charger as claimed in claim 13, wherein said at least one battery pack are any battery pack in primary cell group and the secondary battery.
15, charger as claimed in claim 13, wherein said control circuit are suitable for monitoring the electric current that is drawn by described portable electric appts, and when such current requirements surpasses predeterminated level described charger are reconnected to described external source.
16, charger as claimed in claim 13, wherein said control circuit is suitable for monitoring the charged state of described at least one battery pack, and when described charged state is fallen under the predeterminated level described charger is reconnected to described external source.
17, charger as claimed in claim 16, the terminal voltage by monitoring described at least one battery pack and at least one in the elapsed time since described at least one battery pack is recharged are monitored described charged state.
18, as each described charger in the claim 13 to 18, wherein said external source is a network supply, and described charger has been eliminated the standby current that draws from described network supply in essence from the disconnection of described external source.
19, as each described charger in the claim 13 to 19, wherein said charger with housing that described electronic equipment physically separates in.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87581406P | 2006-12-20 | 2006-12-20 | |
| US60/875,814 | 2006-12-20 | ||
| US60/996,220 | 2007-11-07 |
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| Publication Number | Publication Date |
|---|---|
| CN101589530A true CN101589530A (en) | 2009-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800478596A Pending CN101589530A (en) | 2006-12-20 | 2007-12-20 | Battery powered charger |
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| Country | Link |
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| CN (1) | CN101589530A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428974A (en) * | 2012-07-13 | 2015-03-18 | 博朗有限公司 | Consumer device presentation unit |
| CN104850207A (en) * | 2011-05-03 | 2015-08-19 | 苹果公司 | Power adapter, electronic device, electronic system |
| CN107696899A (en) * | 2017-10-17 | 2018-02-16 | 李科 | A kind of quick charge device, system and charge control method |
| CN108630879A (en) * | 2017-03-21 | 2018-10-09 | 创科（澳门离岸商业服务）有限公司 | Battery pack, group charger and the combination of battery packs for electric tool |
| CN109301885A (en) * | 2017-07-24 | 2019-02-01 | 沈阳广合科技有限公司 | Multi-functional two-way V-LOCK battery charger |
-
2007
- 2007-12-20 CN CNA2007800478596A patent/CN101589530A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104850207A (en) * | 2011-05-03 | 2015-08-19 | 苹果公司 | Power adapter, electronic device, electronic system |
| CN104850207B (en) * | 2011-05-03 | 2017-12-15 | 苹果公司 | Power adapters, electronic installation and electronic system |
| CN104428974A (en) * | 2012-07-13 | 2015-03-18 | 博朗有限公司 | Consumer device presentation unit |
| CN104428974B (en) * | 2012-07-13 | 2019-08-13 | 博朗有限公司 | Consumption device display unit |
| CN108630879A (en) * | 2017-03-21 | 2018-10-09 | 创科（澳门离岸商业服务）有限公司 | Battery pack, group charger and the combination of battery packs for electric tool |
| CN109301885A (en) * | 2017-07-24 | 2019-02-01 | 沈阳广合科技有限公司 | Multi-functional two-way V-LOCK battery charger |
| CN107696899A (en) * | 2017-10-17 | 2018-02-16 | 李科 | A kind of quick charge device, system and charge control method |
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Application publication date: 20091125 |