CN1312822C - Battery charger capable of switching several power supplies - Google Patents
Battery charger capable of switching several power supplies Download PDFInfo
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- CN1312822C CN1312822C CNB021301425A CN02130142A CN1312822C CN 1312822 C CN1312822 C CN 1312822C CN B021301425 A CNB021301425 A CN B021301425A CN 02130142 A CN02130142 A CN 02130142A CN 1312822 C CN1312822 C CN 1312822C
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Abstract
The present invention provides a charger which comprises a direct current converter and an alternating current converter. The direct current converter is provided with a direct current input port, a converting circuit, a transmission port, an output port and a switching circuit, wherein the direct current input port is used for inputting direct current; the converting circuit is used for converting the direct current to first voltage; the transmission port is used for inputting direct current power with second voltage; the output port is used for outputting the direct current power; the switching circuit is used for switching and selecting the direct current power which outputs the first voltage or the second voltage through the output port. The alternating current converter is provided with an alternating current input port, an alternating current voltage transformation circuit and a power port, wherein the alternating current input port is used for inputting alternating current; the alternating current voltage transformation circuit is used for converting the alternating current to the second voltage; the power port is corresponding to the transmission port and is used for outputting the power of the second voltage to the transmission port. The direct current converter and the alternating current converter can be mutually embedded so that the power port is connected to the transmission port. The charger can alternately use power provided by the direct current and the alternating current, and the corresponding power is output by the output port.
Description
Technical field
The present invention relates to a kind of charger, particularly relate to a kind of multifunctional charger that can utilize multiple input power supply.
Background technology
Along with the progress of science and technology, the volume of many electronic equipments and weight is reduction significantly all, and the user can be carried, and enjoys the facility of science and technology whenever and wherever possible.These portable electronics, similarly be walkman (walkman), mobile phone (mobile phone), personal digital aid (PDA) (PDA, PersonalDigital Assistant) and notebook computer (notebook computer) or the like, can allow the user enjoy audio-visual amusement conveniently, carry out communication exchange, the access numerical data, increase the enjoyment and the efficient of user's life and work.In order to reach portable purpose, these portable electronics are to store and supply with built-in electric energy storage devices such as battery to operate required electric power.In case power drain just need be charged again, just can keep the running of portable electronics.
Please refer to Fig. 1.Fig. 1 is the schematic diagram that a portable electronics 10 charges with existing charger 14A.Portable electronics 10 (for example being mobile phone) is provided with a charging port 12; Charger 14A then is provided with corresponding output port 18A.Charger 14A is provided with an input port 16A in addition, is used for importing a kind of electric power of power supply, for example is the alternating current electric power that general household socket provided.When the user will come to be portable electronics 10 chargings with charger 14A, the user can be connected in the input port 16A of charger 14A power supply (being socket), and output port 18A is connected in the charging port 18A of portable electronics 10; And charger 14A just can be the receptible rated electrical of portable electronics (alternating electromotive force that for example will import power supply is converted to direct current power) with the power conversions of input power supply, comes to be portable electronics 10 chargings.
Flourish along with portable electronics can be also just more and more for the power supply of portable electronics charging.Similarly be all to be provided with the output that direct current power can be provided on the general automobile, can be as the power supply of portable electronics charging.In addition, on the passenger plane in present commercial course line, also can the passenger can be charged for the portable electronics of carrying at aircraft during the journey at the visiting other output that dc power supply is provided.Though can be more and more for the power supply of portable electronics charging, the electric power that these power supplys provide may not conform to the rated electrical of portable electronics, and portable electronics still will be by charger charging correctly safely thus.Only at a kind of specific power supply design, yet the power conversions that a specific power supply can only be provided is the rated electrical of portable electronics to existing charger.The charger design of prior art has limited the user and only can utilize single a kind of power supply to come to be the portable electronics charging, can't utilize the multiple power supply that generally is provided with now to charge, and causes user's inconvenience, also lacks the efficient on using.
Summary of the invention
The object of the present invention is to provide a kind of charger that can utilize multiple different electrical power, to solve the above-mentioned shortcoming of prior art.
The object of the present invention is achieved like this, and a kind of charger promptly is provided, and it includes: a direct current transducer and an a-c transducer, and this direct current transducer includes: one first housing; A direct-flow input end mouth is located on this first housing, is used for importing a kind of direct current power of dc power supply; A DC converting circuit is located in this first housing, is used for the direct current power of this dc power supply is converted to the direct current power of one first voltage; A transmit port is located on this first housing, is used for importing the direct current power of one second voltage; An output port is located on this first housing, is used for output DC power; And a commutation circuit, be electrically connected between this DC converting circuit, this transmit port and this output port, be used for switching this first voltage or this second voltage are exported in selection by this output port direct current power.This a-c transducer includes: one second housing; An ac input end mouth is located on this second housing, is used for importing a kind of alternating electromotive force of alternating-current power supply; An AC transformation circuit is located in this second housing, is used for the alternating electromotive force of this alternating-current power supply is converted to the direct current power of this second voltage; And the electricity port corresponding to this transmit port, be located on this second housing, be used for the direct current power of second voltage that this AC transformation circuit is produced to export this transmit port to.Wherein this first housing and this second housing can chimericly mutually make this electricity port be connected in this transmit port, and the electric power that this dc power supply of the changeable use of this charger and this alternating-current power supply provide and by the corresponding electric power of this output port output.
The present invention also provides a kind of charger, and it includes: a direct current transducer and an a-c transducer, and this direct current transducer includes: one first housing; A plurality of direct-flow input end mouths are located on this first housing, are used for importing the direct current power of the dc power supply of multiple correspondence; Multiple DC converting circuit is located in this first housing; Each DC converting circuit is electrically connected on a direct-flow input end mouth, is used for a kind of direct current power of dc power supply is converted to the direct current power of one first voltage; A transmit port is located on this first housing, is used for importing the direct current power of one second voltage; An output port is located on this first housing, is used for output DC power; And a commutation circuit, be electrically connected between these a plurality of DC converting circuit, this transmit port and this output port, be used for switching this first voltage or this second voltage are exported in selection by this output port direct current power.This a-c transducer includes: one second housing; An ac input end mouth is located on this second housing, is used for importing a kind of alternating electromotive force of alternating-current power supply; An AC transformation circuit is located in this second housing, is used for the alternating electromotive force of this alternating-current power supply is converted to the direct current power of this second voltage; And the electricity port corresponding to this transmit port, be located on this second housing, be used for the direct current power of second voltage that this AC transformation circuit is produced to export this transmit port to.Wherein this first housing and this second housing can chimericly mutually make this electricity port be connected in this transmit port, and the electric power that this multiple dc power supply of the changeable use of this charger and this alternating-current power supply provide and by the corresponding electric power of this output port output.
Description of drawings
Fig. 1 is the schematic diagram of a portable electronics charging for existing charger;
Fig. 2 A to Fig. 2 D is the external view of charger different angles of the present invention;
Fig. 3 A and Fig. 3 B be among Fig. 2 A each primary clustering of charger in the external view of different angles;
Fig. 4 is the functional block diagram of charger among Fig. 2 A;
Fig. 5 A and Fig. 5 B are the schematic diagram of a portable electronics charging with different electrical power for charger among Fig. 2 A;
Fig. 6 A to Fig. 6 C is the profile schematic diagram of another embodiment of the present invention under different angles, different conditions.
Embodiment
Please refer to Fig. 2 A to Fig. 2 D and Fig. 3 A, 3B.Charger 20 of the present invention is provided with two parts, and a part is a direct current transducer 22, and another part is an a-c transducer 24; But direct current transducer 22 and a-c transducer 24 independent assortments and dismounting.Fig. 2 A to Fig. 2 D is direct current transducer 22 and makes up the back in the external view of different angles with a-c transducer 24; Fig. 3 A, Fig. 3 B are that direct current transducer 22 separates the back in the external view of different angles with a-c transducer 24 dismountings.Outside direct current transducer 22 is coated on first housing 23, be provided with three direct-flow input end mouth 32A, 32B, 32C (seeing Fig. 3 A, Fig. 3 B for details).At three kinds of different dc power supply designs, each direct-flow input end mouth can be accepted a kind of electric power input of dc power supply to these three direct-flow input end mouths respectively.Direct-flow input end mouth 32A is corresponding to the power output end on the automobile, the dc power supply that can accept to provide on the automobile.Direct-flow input end mouth 32B is arranged on the charhing unit 28; And charhing unit 28 is located in first housing 23 in the mode of rotatable collection or expansion.By finding out among Fig. 2 D that charhing unit 28 is concealed in the situation in the direct current transducer 22.Charhing unit 28 can and shift out along the rotation of the direction of dotted arrow among Fig. 2 D, is the situation after charhing unit 28 rotations are shifted out shown in Fig. 3 A, Fig. 3 B.Direct-flow input end mouth 32B on the charhing unit 26 designs at the dc power supply that provides on the aircraft, can be by the dc power supply input dc power electric power that provides on the aircraft.In addition, be provided with a battery tray 54 (seeing Fig. 3 A, Fig. 3 B for details) in addition at the top of direct current transducer 22, be used for taking in a battery 42.Battery 42 is as a dc power supply, and it is provided with the output 52 of output power; Be located at direct-flow input end mouth 32C in the battery tray 54 promptly corresponding to output 52, be used for accepting the direct current power that battery 42 is provided.Matching battery 42, the both sides of battery tray 54 are provided with the elasticity pincers slice 40 of wing fin-shaped; After battery 42 is placed in battery tray 54, but the position of pincers slice 40 self-contained batteries 42, the excellent electric contact of maintenance output 52 and direct-flow input end mouth 32C.The both sides of battery tray 54 also has loam cake 38A, 38B, but folding clad battery seat 54; Fig. 2 A to Fig. 2 D is the situation after loam cake 38A, the 38B closure, and Fig. 3 A, Fig. 3 B then are the situations after loam cake 38A, 38B open towards both sides.Direct current transducer 22 can be the direct current power of one first voltage with these power conversions behind the direct current power different by different direct-flow input end mouth 32A to 32C inputs, and by output 26 outputs.
Another part of charger 20 of the present invention is an a-c transducer 24.A-c transducer 24 is a shell with second housing 25, and the power conversions that a kind of alternating-current power supply can be provided is the direct current power of one second voltage.The bottom of a-c transducer 24 (seeing Fig. 2 C for details) is provided with an ac input end mouth 30, is used for the electric power that input AC electricity power supply (for example being the alternating current of household socket) provided.The top projection of a-c transducer 24, and cooperate the shape of direct-flow input end mouth 32A to be provided with a groove 40 (seeing Fig. 3 B for details).When a-c transducer 24 during with direct current transducer 22 combinations, the direct-flow input end mouth 32A on first housing 23 can chimeric groove 50 to second housing 25, a-c transducer 24 and direct current transducer 22 can firmly be combined, shown in Fig. 2 A to Fig. 2 D.A-c transducer 24 can be converted to the alternating electromotive force of ac input end mouth 30 inputs the direct current power of second voltage, and is exported by the electricity port 36 on second housing 25 (seeing Fig. 3 A, Fig. 3 B for details).
Corresponding to electricity port 36, the bottom of direct current transducer 22 also is provided with a transmit port 34 (seeing Fig. 3 A for details); When direct current transducer 22 and a-c transducer 24 were combined, transmit port 34 will be electrically connected with electricity port 36 fluid-tight engagement, formation, made transmit port 34 can receive the direct current power of second voltage of electricity port 36 outputs.
Please refer to Fig. 4.Fig. 4 is the circuit block diagram of charger 20 of the present invention.In direct current transducer 22, each direct-flow input end mouth 32A to 32C has corresponding DC converting circuit 70A to 70C, and is provided with a commutation circuit 56.The power conversions that each DC converting circuit 70A to 70C is used for corresponding direct-flow input end mouth is imported is the direct current power of first voltage, and the electric power after will changing is sent to commutation circuit 56.In a-c transducer 24, be provided with impedance matching input circuit 58, be used for the AC transformation circuit 60 of changing voltage and the rectification circuit 62 that alternating electromotive force is converted to direct current power.Alternating electromotive force by 30 inputs of ac input end mouth can be fed to input circuit 58 via input circuit 58 earlier, is resent to AC transformation circuit 60 and does the electric current and voltage adjustment.The alternating current that AC transformation circuit 60 produces can continue to be fed to rectification circuit 62, and alternating current is converted to the direct current power of second voltage, and by electricity port 36 outputs.As previously mentioned, when a-c transducer 24 and direct current transducer 22 were combined, electricity port 36 can be electrically connected with the transmit port 34 on the direct current transducer 22; So, the direct current power by second voltage of electricity port 36 output just can transfer to commutation circuit 56 via transmit port 34.When reality was implemented, second voltage equated with first voltage.
As shown in Figure 4, charger 20 of the present invention can be by four different direct-flow input end mouth 32A to 32C and ac input end mouth 30 input electric power, finally be converted into the direct current power of first voltage or second voltage, transmission is to the commutation circuit in the direct current transducer 22 56.Commutation circuit 56 changeable electric power with first voltage or second voltage are exported by output port 26.For instance, when electric power that the electric power that has battery 42 to provide by direct-flow input end mouth 32C in the charger 20 simultaneously and alternating-current power supply provide by ac input end mouth 30, commutation circuit 56 is changeable by the direct current power of output port 26 outputs via first voltage of direct current transducer 70C transmission, or output is via the direct current power of second voltage of rectification circuit 62 transmission.The handoff functionality of commutation circuit 56 can be controlled by controller 46; Controller 46 can be automatically control (for example, decide the electric power that provides by any power supply of output port 26 outputs according to certain default priority), or manually control (for example by the user, controller 46 can be provided with the control button shown in Fig. 2 A, allows the user can control the change action of commutation circuit 56).In addition, are which kind of power of output in order to show commutation circuit 56, can establish a display unit 48 in addition in the commutation circuit 56, with the state that shows that electric power switches.Display unit 48 can be small-sized LCD or light-emitting diode, as shown in Fig. 2 A, Fig. 2 C or Fig. 3 A, Fig. 3 B.Except the situation that shows the power source switching, display unit 48 also can be used to show the dump power of battery 42.In addition, a-c transducer 24 is used for the electricity port 36 of the second voltage dc power of exporting and also can directly be arranged in the groove 50 of second housing 25; After direct current transducer 22 and a-c transducer 24 made up, the electricity port that is arranged in the groove 50 just can directly be electrically connected with direct-flow input end mouth 32A.In other words, in this configuration, direct-flow input end mouth 32A and transmit port integrate, and the second voltage dc power of a-c transducer 24 just can be fed to DC converting circuit 70A via direct-flow input end mouth 32A and deliver to commutation circuit 56 again.
Generally speaking, charger 20 of the present invention has at four designed different input ports of different electrical power, can be with the electric power of power conversions for charging of four kinds of different electrical power, and unified by output port 26 outputs, coming is the portable electronics charging.Difference configuration when charging for portable electronics as for charger 20 of the present invention please refer to Fig. 5 A, Fig. 5 B.To be respectively charger of the present invention come with dc power supply and alternating-current power supply is the configuration schematic diagram of portable electronics 10 chargings for Fig. 5 A and 5B; And portable electronics 10 can be mobile phone, walkman, personal digital assistant device or notebook computer.Shown in Fig. 5 A, when the dc power supply that provides on the user will be with automobile charged, the user can be with dc charger 22 by disassembling on the AC charger 24, just direct-flow input end mouth 32A can be connected in the dc power supply that automobile provides; And the output 26 of direct current transducer 22 is connected in the charging port 12 of portable electronics 10, so just can charge for portable electronics 10.In like manner, charhing unit 28 rotations can be shifted out, direct-flow input end mouth 32B is connected in the socket (not drawing) of power supply on the aircraft with the charging of the dc power supply that provides on the aircraft, just can be, charged with output port 26 output powers.The DC converting circuit that cooperates with each direct-flow input end mouth can be converted to the direct current power of each direct-flow input end mouth input the electric power of first voltage; The electric power of first voltage is the rated electrical of portable electronics 10 just.Through the control of commutation circuit 56 (seeing Fig. 4 for details), the user just can use direct current transducer 22, utilizes the different electric power of automobile, aircraft or battery to come to be the portable electronics charging.
On the other hand, shown in Fig. 5 B, if the user will come to be portable electronics 10 chargings with alternating-current power supply (for example being the alternating-current power supply that household socket provided), just direct current transducer 22 and a-c transducer 24 can be fitted together, and the ac input end mouth 30 of a-c transducer 24 bottoms is connected in the socket (not drawing) of AC power, the charging port 12 that output port 26 is connected in portable electronics.So, the electric power of alternating-current power supply just can be converted to the direct current power of second voltage by a-c transducer 24, be sent to commutation circuit 56 (seeing Fig. 4 for details) by electricity port 34, transmit port 34, and by output port 26 outputs, reaching with the alternating-current power supply is the purpose of portable electronics 10 chargings.The electric power of certain second voltage is the rated electrical of portable electronics 10 just.In addition, by the switching controls of commutation circuit 56, no matter be the configuration of Fig. 5 A, Fig. 5 B, direct current transducer 22 can both utilize the electric power of battery 42 (seeing Fig. 3 A, Fig. 3 B for details) to come to be the portable electronics charging.
Please continue C with reference to figure 6A to Fig. 6.Fig. 6 A to Fig. 6 C is the profile schematic diagram of the charger 80 of another embodiment of the present invention in different angles.Be similar to last embodiment of the present invention, charger 80 also has two parts, i.e. direct current transducer 82 and a-c transducer 84; Fig. 6 A, Fig. 6 B situation when both separate for this reason; Fig. 6 C then is the situation after both combinations.The function of direct current transducer 82 is identical with the direct current transducer of last embodiment 22, outside it is coated on first housing 83, be provided with three direct-flow input end mouth 92A, 92B, 92C, three's function is also identical with direct-flow input end mouth 32A, 32B, 32C among the last embodiment respectively; And the charhing unit 88 at direct-flow input end mouth 92B place also can launch in rotary manner or collapse in the direct current transducer 82.The direct-flow input end mouth 92C that is located on the battery tray 114 then can be by the direct current power of the output on the battery 42 52 (seeing Fig. 6 B for details) input battery 42.The function of a-c transducer 84 is identical with the function of the a-c transducer of last embodiment 24, outside it is coated on second housing 85, be provided with ac input end mouth 90 (seeing Fig. 6 B for details), groove 110 on second housing 85 can hold the direct-flow input end 92A on first housing 83, make direct current transducer 82 and a-c transducer 84 be embedded in one, shown in Fig. 6 C.And the corresponding electricity port 96 (seeing Fig. 6 A for details) on the transmit port 94 on the direct current transducer 82 (seeing Fig. 6 B for details) and the a-c transducer 84, both functions are then identical with the function of transmit port 34, electricity port 36 among the last embodiment respectively, after making direct current transducer 82 and a-c transducer 84 chimeric, both are electrically connected.The main difference of charger 80 and the charger 20 of last embodiment be in, the battery tray 114 in the charger 80 adopts the design that separates with first housing 83.Direct current transducer 82 is connected in the battery electric power output port 116 of correspondence on the battery tray 114 in the mode of detachable plug with the battery electric power connectivity port 118 on the battery electric power transmission line 120; Fig. 6 A, Fig. 6 B are battery tray 114 and direct current transducer 82 and separate situation when not being connected, and Fig. 6 C then is both situations after connecting with battery electric power transmission line 120.When the user will utilize the electric power that battery 42 provides, battery tray 114 can be connected with the battery electric power transmission line on the direct current transducer 82 120.Relatively, if when the user need not utilize the electric power that battery 42 provides, also battery tray 114 can be separated with direct current transducer 82.In preferred embodiment, battery electric power transmission line 120 can be concealed in first housing 83, makes things convenient for the user to carry.
The principle of charger 80 runnings is identical with the charger 20 of the last embodiment of the present invention.Electric power by direct-flow input end mouth 92A, 92B, 92C (via battery electric power transmission line 120, battery electric power connectivity port 118) input can transfer to direct current transducer 82, is converted to the direct current power of first voltage by the DC converting circuit of correspondence; Then can transfer in the direct current transducer 82 by the direct current power of ac input end mouth 90 inputs via transmit port 94, electricity port 96 through second voltage of transformation, rectification generation.Control by controller 106 (seeing Fig. 6 B, Fig. 6 C for details), commutation circuit in the direct current transducer 8 can be selected to switch and use various electric power unification by output port 86 outputs, the user just can come the portable electronics charging with output port 86 with different power supplys like this, and by understanding the situation that power supply switches on the display unit 108.The configuration of each circuit function square connects identically with the charger 20 of last embodiment in the charger 80, and prior art personnel should be able to be analogized and known by Fig. 4, do not repeat them here.DC converting circuit corresponding to direct-flow input end mouth 92C can directly be located in the battery tray 114, allow DC converting circuit with battery electric power conversion and the first voltage dc power can transfer to commutation circuit in the direct current transducer 82 via battery electric power output port 116, battery electric power transmission line 120 and battery electric power connectivity port 118.Certainly, also can be located in the direct current transducer 82, the direct current power of first voltage is provided behind the electric power that provides by battery electric power connectivity port 118 input batteries again corresponding to the DC converting circuit of direct-flow input end mouth 92C.
Compare with existing charger, only can use single power supply to come to be the portable electronics charging, charger of the present invention can charge with four kinds of different power supplys of alternating current-direct current; Not only gather multiple function in same charger, make things convenient for the user to carry, also allow the user can use various available power supplys to come to improve the efficient of life whenever and wherever possible as the portable electronics charging.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (16)
1. charger, it includes:
A direct current transducer, it includes:
One first housing;
A direct-flow input end mouth is located on this first housing, is used for importing a kind of direct current power of dc power supply;
A DC converting circuit is located in this first housing, is used for the direct current power of this dc power supply is converted to the direct current power of one first voltage;
A transmit port is located on this first housing, is used for importing the direct current power of one second voltage;
An output port is located on this first housing, is used for output DC power; And
A commutation circuit is electrically connected between this DC converting circuit, this transmit port and this output port, is used for switching this first voltage or this second voltage are exported in selection by this output port direct current power; And
An a-c transducer, it includes:
One second housing;
An ac input end mouth is located on this second housing, is used for importing a kind of alternating electromotive force of alternating-current power supply;
An AC transformation circuit is located in this second housing, is used for the alternating electromotive force of this alternating-current power supply is converted to the direct current power of this second voltage; And
Electricity port corresponding to this transmit port is located on this second housing, is used for the direct current power of second voltage that this AC transformation circuit is produced to export this transmit port to;
Wherein this first housing and this second housing can chimericly mutually make this electricity port be connected in this transmit port, and the electric power that this dc power supply of the changeable use of this charger and this alternating-current power supply provide and by the corresponding electric power of this output port output.
2. charger as claimed in claim 1, wherein this dc power supply is a kind of Vehicular rechargeable power supply.
3. charger as claimed in claim 1, wherein this dc power supply is a kind of battery.
4. charger as claimed in claim 1, wherein this dc power supply is a kind of aircraft charge power supply.
5. charger as claimed in claim 1 wherein comprises a groove on this second housing in addition, is used for holding this first housing so that this first housing is embedded this second housing.
6. charger as claimed in claim 1, wherein this commutation circuit comprises a controller in addition, is used for controlling this commutation circuit is exported this first voltage or this second voltage by this output port direct current power.
7. charger as claimed in claim 1, wherein this commutation circuit comprises a display unit in addition, is used for showing that the voltage of this commutation circuit output is this first voltage or this second voltage.
8. charger as claimed in claim 1, wherein this first voltage equates with this second voltage.
9. charger, it includes:
A direct current transducer, it includes:
One first housing;
A plurality of direct-flow input end mouths are located on this first housing, are used for importing the direct current power of the dc power supply of multiple correspondence;
Multiple DC converting circuit is located in this first housing;
Each DC converting circuit is electrically connected on a direct-flow input end mouth, is used for a kind of direct current power of dc power supply is converted to the direct current power of one first voltage;
A transmit port is located on this first housing, is used for importing the direct current power of one second voltage;
An output port is located on this first housing, is used for output DC power; And
A commutation circuit is electrically connected between these a plurality of DC converting circuit, this transmit port and this output port, is used for switching this first voltage or this second voltage are exported in selection by this output port direct current power; And
An a-c transducer, it includes:
One second housing;
An ac input end mouth is located on this second housing, is used for importing a kind of alternating electromotive force of alternating-current power supply;
An AC transformation circuit is located in this second housing, is used for the alternating electromotive force of this alternating-current power supply is converted to the direct current power of this second voltage; And
Electricity port corresponding to this transmit port is located on this second housing, is used for the direct current power of second voltage that this AC transformation circuit is produced to export this transmit port to;
Wherein this first housing and this second housing can chimericly mutually make this electricity port be connected in this transmit port, and the electric power that this multiple dc power supply of the changeable use of this charger and this alternating-current power supply provide and by the corresponding electric power of this output port output.
10. charger as claimed in claim 9, wherein one of this multiple dc power supply is a kind of Vehicular rechargeable power supply.
11. charger as claimed in claim 9, wherein one of this multiple dc power supply is a kind of battery.
12. charger as claimed in claim 9, wherein one of this multiple dc power supply is a kind of aircraft charge power supply.
13. charger as claimed in claim 9 wherein comprises a groove on this second housing in addition, is used for holding this first housing so that this first housing is embedded this second housing.
14. charger as claimed in claim 9, wherein this commutation circuit comprises a controller in addition, is used for controlling this commutation circuit is exported this first voltage or this second voltage by this output port direct current power.
15. charger as claimed in claim 9, wherein this commutation circuit comprises a display unit in addition, is used for showing that the voltage of this commutation circuit output is this first voltage or this second voltage.
16. charger as claimed in claim 9, wherein this first voltage equates with this second voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021301425A CN1312822C (en) | 2002-08-23 | 2002-08-23 | Battery charger capable of switching several power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021301425A CN1312822C (en) | 2002-08-23 | 2002-08-23 | Battery charger capable of switching several power supplies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1477752A CN1477752A (en) | 2004-02-25 |
| CN1312822C true CN1312822C (en) | 2007-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021301425A Expired - Fee Related CN1312822C (en) | 2002-08-23 | 2002-08-23 | Battery charger capable of switching several power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1312822C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712268B (en) * | 2017-03-29 | 2020-11-20 | 联想(北京)有限公司 | Electronic equipment |
| JP2022103775A (en) * | 2020-12-28 | 2022-07-08 | トヨタ自動車株式会社 | Charger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847545A (en) * | 1996-02-20 | 1998-12-08 | Superior Communication Products Inc. | Dual A/C and D/C input powered portable battery charger |
| CN2410806Y (en) * | 1999-12-02 | 2000-12-13 | 杨博曾 | Mobile telephone charger with multiple input power supply |
-
2002
- 2002-08-23 CN CNB021301425A patent/CN1312822C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847545A (en) * | 1996-02-20 | 1998-12-08 | Superior Communication Products Inc. | Dual A/C and D/C input powered portable battery charger |
| CN2410806Y (en) * | 1999-12-02 | 2000-12-13 | 杨博曾 | Mobile telephone charger with multiple input power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1477752A (en) | 2004-02-25 |
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