CN104181987A - Docking station and control method - Google Patents
Docking station and control method Download PDFInfo
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- CN104181987A CN104181987A CN201310223829.3A CN201310223829A CN104181987A CN 104181987 A CN104181987 A CN 104181987A CN 201310223829 A CN201310223829 A CN 201310223829A CN 104181987 A CN104181987 A CN 104181987A
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- 238000003032 molecular docking Methods 0.000 title abstract 3
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Abstract
A docking station and a control method are provided. The docking station includes a first battery, a power supply input terminal, a USB port, a switch unit and a control unit. The power supply input end is used for receiving a power input voltage of a power supply. The switch unit is used for selectively supplying power to the USB port according to a control signal. The control unit is used for providing a control signal to the switch unit according to the power input voltage and the electric quantity of the first battery and the tablet computer when the expansion base is combined with the tablet computer, wherein when the power input voltage is greater than or equal to a first preset voltage, or the power input voltage is less than the first preset voltage but the electric quantity of the first battery is greater than or equal to a first preset electric quantity, the switch unit enables the USB port to be powered by the power input voltage and/or the first battery according to the control signal.
Description
Technical field
The present invention relates to a kind of expansion foundation, particularly relate to the expansion foundation for flat computer.
Background technology
Along with scientific and technological progress, flat computer, because have operation feature simple and easy and easy to carry, replaces general mobile computer gradually, becomes the electronic product that user carries.Use for the ease of user, some flat computer have expansion foundation for provide USB port, can external power supply supply input or CD player interface for flat computer access.
But, USB port on expansion foundation is all powered by flat computer at present, therefore, after must waiting until that battery on flat computer has certain electric weight, flat computer just can be powered to the USB port on expansion foundation, and flat computer can be linked up by the USB port on expansion foundation and the external electronic that is connected in USB port.
Due to the USB port on current expansion foundation, can only be by flat computer powered battery, for user inconvenient.Therefore, need one can improve the method for supplying power to USB port on expansion foundation at present.
Summary of the invention
The invention provides a kind of expansion foundation and comprise one first battery, a power supply unit input end, a USB port, a switch element and a control module.Power supply unit input end, in order to receive a power input voltage of a power supply unit.Switch element, in order to according to a control signal, optionally supplies power to USB port.Control module, in order to when expansion foundation is in the time that a flat computer is combined, according to the electric weight of power input voltage, the first battery and flat computer, provide and control signal to switch element, wherein when power input voltage is more than or equal to one first predeterminated voltage, or power input voltage is less than the first predeterminated voltage but the electric weight of the first battery while being more than or equal to one first default electric weight, switch element, according to control signal, makes USB port be powered by power input voltage and/or the first battery.
The invention provides a kind of control method of expansion foundation, be applicable to there is one first battery, an expansion foundation of a power supply unit input end, a switch element and a control module.Control method comprises when above-mentioned expansion foundation is in the time that a flat computer is combined, and detects electric weight, a power input voltage of power supply unit input end and the electric weight of flat computer of the first battery; According to the electric weight of the electric weight of the first battery, power input voltage and flat computer, send one and control signal to switch element; And in the time that a first condition meets, according to control signal gauge tap unit, above-mentioned USB port is powered by power input voltage and/or the first battery, wherein first condition is that power input voltage is more than or equal to one first predeterminated voltage, or power input voltage is less than the first predeterminated voltage but the electric weight of the first battery is more than or equal to one first default electric weight.
Brief description of the drawings
Fig. 1 is the schematic diagram according to electronic system of the present invention;
Fig. 2 is the control flow chart according to electronic system provided by the present invention;
The schematic diagram of the operation pattern that Fig. 3 A to Fig. 3 C is electronic system provided by the present invention;
Fig. 4 is the control flow chart of the first switch provided by the present invention;
Fig. 5 is the control flow chart of second switch provided by the present invention; And
Fig. 6 is the control flow chart of the 3rd switch provided by the present invention.
Reference numeral explanation
5～electronic system
10～expansion foundation
11～the first batteries
12～power supply unit input end
13～switch element
14～control module
15～USB port
16～the first connectivity ports
30～flat computer
31～the second batteries
32～display unit
33～input block
34～processing unit
35～the second connectivity ports
C1～control signal
S21-S22, S31-S34, S41-S44, S51-S55～step
Embodiment
Device and the using method of various embodiments of the invention will be discussed in detail below.But it should be noted that many feasible inventive concepts provided by the present invention may be implemented in various particular ranges.These specific embodiments are only for illustrating device of the present invention and using method, but non-for limiting scope of the present invention.
Fig. 1 is the schematic diagram of electronic system provided by the present invention.As shown in Figure 1, electronic system 5 comprises expansion foundation 10 and flat computer 30.Expansion foundation 10 comprises the first battery 11, power supply unit input end 12, switch element 13, control module 14, USB port 15 and the first connectivity port 16.In the present embodiment, flat computer 30 also can be a portable electron device.In other embodiments, portable electron device also can be intelligent mobile phone, hand-held moving device, mobile computer or personal digital assistant (PDA), but not as limit.
Flat computer 30 comprises the second battery 31, display unit 32, input block 33, processing unit 34 and the second connectivity port 35.In an embodiment, the second battery 31 is in order to provide power supply to flat computer 30 and/or USB port 15.In an embodiment, the expansion foundation 5 of electronic system 5 and flat computer 30 are electrically connected mutually by the first connectivity port 16 and the second connectivity port 35 respectively.For example, when expansion foundation 10 and flat computer 30 are electrically connected to each other by the first connectivity port 16 and the second connectivity port 35, expansion foundation 10 can be communicated with each other with flat computer 30, for example, transmit data, signal or power supply.First, second connectivity port 16 and 35 can be USB interface, thunder to (thunderbolt) interface, lightning (lightning bolt) interface or the connectivity port of RS232 interface, but not as limit.In another embodiment, expansion foundation 10 also comprises CD player, hard disk, keyboard or Trackpad (touch pad), but not as limit.
In the present embodiment, the second battery 31 of flat computer 30 is in order to provide power supply to flat computer 30 and/or USB port 15.In the second battery 31, there is a measuring IC (gauge IC) for measuring the electric weight of the second battery 31.In an embodiment, the measuring IC of the second battery 31, for calculating discharge capacity and the charge volume of battery, and learns the dump energy of current the second battery 31.
In display unit 32, input block 33, processing unit 34 and the general flat computer of flat computer 30, seemingly, related description can, with reference to general flat computer, repeat no more therewith for the characteristic of correlation unit and class of operation.
In the present embodiment, the first battery 11 is in order to provide power supply to expansion foundation 10 and/or flat computer 30.In the first battery 11, there is a measuring IC (gauge IC) for measuring the electric weight of the first battery 11.Power supply unit input end 12 is in order to receive the power supply from power supply unit.In an embodiment, the power supply that power supply unit input end 12 receives is in order to supply expansion foundation 10 and/or flat computer 30.
In an embodiment, in the time that the power supply of power supply unit offers power supply unit input end 12, on power supply unit input end 12, there is a power input voltage.For example, in the time that 18 watts of the rated power power supply unit that is 12V with output voltage is connected to power supply unit input end 12, power input voltage is 12 volts.In the time that 10 watts of the rated power power supply unit that is 5V with output voltage is connected to power supply unit input end 12, power input voltage is 5 volts.In the time that power supply unit does not connect any power supply unit or power supply unit and closes, power input voltage is 0 volt.
Switch element 13, in order to according to the control signal C1 from control module 14, optionally supplies power to USB port 15, so that flat computer 30 is linked up with the electronic installation that USB port 15 is connected.For example, switch element 13 can, according to control signal C1, optionally be powered to USB port 15 by expansion foundation 10, or is powered to USB port 15 by flat computer 30.In an embodiment, switch element 13 has one first switch 21, second switch 22 and the 3rd switch 23.For example, first, second and the 3rd switch 21-23 can be field effect transistor (FET), double carriers knot faceted crystal pipe (BJT), metal oxide semiconductor field effect (MOSFET) or complementary metal-oxide field-effect semiconductor (CMOS), but not as limit.
In the present embodiment, the first switch 21 is coupled between the first battery 11 and/or power supply unit input end 12 and USB port 15.Second switch 22 is coupled between the first battery 11 and/or power supply unit input end 12 and the first connectivity port 16.In an embodiment, when expansion foundation 10 and flat computer 30 in conjunction with time, 22 of second switches can be coupled to lithographic plate computing machine 30 by the first connectivity port 16.The 3rd switch 23 is coupled between the first connectivity port 16 and USB port 15.In an embodiment, when expansion foundation 10 and flat computer 30 in conjunction with time, the 3rd 23, switch can be coupled to lithographic plate computing machine 30 by the first connectivity port 16.
Control module 14 can be a general processor, application processor, keyboard controller (KBC), embedded controller or microcontroller, but not as limit.Control module 14 is connected to switch element 13, the first battery 11 via bus.Control module 14 can obtain the electric weight of the first battery 11 up till now via the measuring IC in the first battery 11 (gauge IC).When expansion foundation 10 and flat computer 30 in conjunction with time, control module 14 also can be learnt via the measuring IC of the second battery 31 electric weight (or electric weight of flat computer 30) of current the second battery 31.In an embodiment, control module 14 in order to when expansion foundation 10 and flat computer 30 in conjunction with time, the electric weight according to power input voltage, the first battery 11 with flat computer 30, provides control signal C1 to switch element 13.
For example, for example, in the time that power supply unit has enough output voltages (rated power of power supply unit is that 18 watts and output voltage are 12 volts), the power input voltage that power supply unit input end 12 receives can be more than or equal to one first predeterminated voltage (for example 12 volts).In the time that control module 14 detects that power input voltage is more than or equal to the first predeterminated voltage, control module 14 sends to be controlled signal C1 and makes the first switch 21 conductings to switch element 13, and USB port 15 is powered by the first battery 11 and/or power supply unit input end 12.Specifically, in the present embodiment, for example, as long as the output voltage of power supply unit enough (power input voltage of power supply unit input end 12 is more than or equal to 12 volts), no matter the electric weight of the first battery 11 and flat computer 30 why, the first switch 21 is all by conducting.
In another embodiment, the voltage of exporting when power supply unit is less than the first predeterminated voltage (rated power of for example power supply unit is that 10 watts and output voltage are 5 volts), but when the electric weight of the first battery 11 is more than or equal to the first default electric weight, control module 14 sends controls signal C1 to switch element 13, makes the first switch 21 conductings.In the time of the first switch 21 conducting, USB port 15 is powered by power input voltage and/or the first battery 11.Specifically, in the present embodiment, the voltage that power supply unit is exported is less than 12 volts, but the electric weight of the first battery 11 is while being greater than the first default electric weight, no matter the electric weight of flat computer 30 why, the first switch 21 will conducting.In the present embodiment, the first default electric weight be the first battery 11 fill electric weight when full 30%.But the first default electric weight also can be other ratio values that fill electric weight while satisfying.For example, the first default electric weight can be to be full of 40% or 50% of electric weight, not as limit.
In another embodiment, in the time that power supply unit input end 12 connects power supply unit power supply is provided, control module 14 sends controls signal C1 to switch element 13, makes second switch 22 conductings, and the first battery 11 and/or power input voltage charge to flat computer 30.Specifically, in the present embodiment, as long as when power supply unit input end 12 connects power supply unit power supply is provided, no matter whether the voltage that power supply unit is exported is enough, and whether the electric weight of first battery 11 and flat computer 30 is enough, second switch 22 is all by conducting.In the present embodiment, the second predeterminated voltage is 5V, but not as limit.For example, the second predeterminated voltage can be 3V, 4V or 6V, but not as limit.
In another embodiment, when power supply unit input end 12 does not connect power supply unit (being that power input voltage is zero), but for example, when the electric weight of the first battery 11 is more than or equal to the first default electric weight (be full of electric weight 30%), control module 14 sends controls signal C1 to switch element 13, make second switch 22 conductings, and the first battery 11 charges to flat computer 30.Specifically, in the present embodiment, when power input voltage is zero, as long as when the electric weight of the first battery 11 is more than or equal to the first default electric weight, control module 14 is no matter whether the electric weight of flat computer 30 is enough, and second switch 22 is all by conducting.
In another embodiment, the electric weight that the voltage of exporting when power supply unit is less than the first predeterminated voltage, the first battery 11 is less than the first default electric weight, and for example, when the electric weight of flat computer 30 is more than or equal to one second default electric weight (30% of the full charging amount of the second battery 31), control module 14 sends controls signal C1 to switch element 13, makes the 3rd switch 23 conductings.In the time of the 3rd switch 23 conducting, USB port 15 is powered by flat computer 30.
Fig. 2 is the control flow chart of expansion foundation provided by the present invention.As shown in Figure 2, in the time of step S21, control module 14 detects the electric weight 31 of electric weight, power input voltage and the flat computer 30 of the first battery 11.In an embodiment, control module 14, by the value that reads respectively measuring IC (gauge IC) in the first battery 11 and the second battery 31, is learnt the electric weight of current the first battery 11 and flat computer 30.Meanwhile, control module 14 can be by the voltage that detects power supply unit input end 12, and obtain the value of power input voltage.
In the time of step S22, control module 14, according to the electric weight of the electric weight of the first battery 11, power input voltage and flat computer 30, provides control signal C1 to switch element 13, optionally supplies power to USB port 15.In the present embodiment, switch element 13 has first, second and the 3rd switch 21-23, and in the time that switch element 13 receives control signal C1, switch element 13 determines the switch that will open according to control signal C1.For example, control signal C1 can be the control signal of three (3-bits), and different positions represents respectively the control signal of different switches.In the time being high level for first, the first switch 21 is switched on, otherwise in the time being low level for first, the first switch 21 is cut off.Control signal C1 can be the control signal of other figure places or the control signal with coding, but not as limit.
In an embodiment, when detecting power input voltage, control module 14 is more than or equal to one first predeterminated voltage (for example 12 volts), or power input voltage is less than the first predeterminated voltage but the electric weight of the first battery 11 for example, while being more than or equal to one first default electric weight (30% of full charging amount), control module 14 sends control signal C1 to switch element 13, the first switch 21 is switched on, will supplies power to USB port 15 by the first battery 11 and/or power input voltage.In the present embodiment, for example, when power input voltage is more than or equal to one first predeterminated voltage (12 volts), for example, or power input voltage is less than the first predeterminated voltage but the electric weight of the first battery 11 while being more than or equal to one first default electric weight (30% of full charging amount), be considered as meeting a first condition.
In another embodiment, control module 14 also can judge whether to meet first condition according to the wattage output of power supply unit.For example, for example, when the wattage output of power supply unit is more than or equal to one first default wattage (18 watts), or the wattage output of power supply unit is less than the first default wattage, but for example, when the electric weight of the first battery 11 is more than or equal to one first default electric weight (30% of full charging amount), be considered as meeting first condition.
In another embodiment, control module 14 also can and flow through one of power supply unit input end 12 according to power input voltage and judge whether to meet first condition for induced current.For example, for example, for example, in the time that power input voltage is more than or equal to one first predeterminated voltage (12 volts) and be more than or equal to one first predetermined current (1.5 amperes) for induced current, or working as power supply unit output voltage is less than the first predeterminated voltage and/or is less than one first predetermined current for induced current, but for example, when the electric weight of the first battery 11 is more than or equal to one first default electric weight (30% of full charging amount), be considered as meeting first condition.
In another embodiment, when detecting power input voltage, control module 14 is more than or equal to one second predeterminated voltage (for example 5V), or be less than the second predeterminated voltage but the electric weight of the first battery 11 for example, while being more than or equal to one first default electric weight (30% of full charging amount) when power input voltage, control module 14 sends control signal C1 to switch element 13, second switch 22 is switched on, will supplies power to flat computer 30 by the first battery 11 and/or power input voltage.
In another embodiment, when detecting power input voltage, control module 14 is less than one first predeterminated voltage (for example 12V), for example, for example, when the electric weight that the electric weight of the first battery 11 is less than the first default electric weight (30% of full charging amount) and flat computer 30 is greater than the second default electric weight (the full charging amount of flat computer 30 30%), control module 14 sends control signal C1 to switch element 13, the 3rd switch 23 is switched on, will supplies power to USB port 15 by flat computer 30.
The schematic diagram of the operation pattern that Fig. 3 A to Fig. 3 C is electronic system provided by the present invention.Power supply unit specification, the electric weight of the first battery 11 and the electric weight of flat plate cell 31 (for example electric weight of the second battery 31) that Fig. 3 A to Fig. 3 C connects according to power supply unit input end 12 in order to first, second, third switch 21～23 representing in switch element 13 determines whether conducting (ON) or cut-off (OFF).In Fig. 3 A to Fig. 3 C, the various combination of the electric weight of the power supply unit specification that power supply unit input end 12 connects, the electric weight of the first battery 11 and flat plate cell 31 is divided into different pattern (for example pattern 1-pattern 48).
Power supply unit (rated voltage/rated current) in Fig. 3 A to Fig. 3 C is in order to represent to be connected in the power supply unit specification of power supply unit input end 12.For example, the specification of power supply unit is that 12V/1.5A represents that the rated output voltage of power supply unit is that 12V (volt) and maximum output current are 1.5A (ampere).Though the power supply unit in Fig. 3 A to Fig. 3 C only has the power supply unit of 12V/1.5A and these two kinds of specifications of 5V/A, but the power supply unit of other specifications also can, not as limit.
In Fig. 3 A to Fig. 3 C, the electric weight of the first battery 11 of expansion foundation 10 is in order to represent the electric weight of the first battery 11.In an embodiment, whether control module 14 can be learnt the electric weight of the first battery 11 and fill full via the measuring IC in the first battery 11.In the present embodiment, the electric weight of the first battery 11 is to fill full, normal, low and extremely low relation when representing that the electric weight of the first battery 11 and the electric weight of the first battery 11 are full of respectively.For example, " fill full " and represent that the electric weight of the first battery 11 is to be full of (100% while being full of), " normally " represents that the electric weight of the first battery 11 is between 100%～30% while being full of, " low " represents that the electric weight of the first battery 11 is between 30%～10% while being full of, and " extremely low " represents that the electric weight of the first battery 11 is between 10%～0% while being full of.Should be noted, above mention fill full, normal, low, extremely low can also be for being full of other ratio values of electric weight, not as limit.
In the same manner, in flat computer 30, the electric weight of the second battery 31 is also to fill full, normal, low and extremely low expression, it represents the proportionate relationship when electric weight of current the second battery 31 and the electric weight of the second battery 31 are full of equally, and related description please refer to the first battery 11, repeats no more therewith.Should be noted, in the present invention, the electric weight of the second battery 31 also can represent with the electric weight of flat computer 30.
Fig. 4 is the control flow chart of the first switch provided by the present invention.As shown in Figure 4, in the time of step S31, control module 14 judges whether the power input voltage of power supply unit input end 12 is more than or equal to one first predeterminated voltage (for example 12V).In the time that power input voltage is more than or equal to the first predeterminated voltage, enter step S32 (as pattern 1-4,13-16,25-28, the 37-40 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the first predeterminated voltage, enter step S33.
In an embodiment, in the time that power supply unit input end 12 connects power supply unit, power supply unit input end 12 has power input voltage.For example, the power supply unit connecting when power supply unit input end 12 is that while exporting the power supply unit of 12V, power input voltage is 12V.Otherwise in the time that power supply unit input end 12 does not connect power supply unit, power input voltage is 0V.In the present embodiment, the first predeterminated voltage is 12V, but not as limit.
In the time of step S32, control module 14 sends controls signal C1, make the first switch 21 conductings, and USB port 15 is powered by the first battery 11 and/or power input voltage.
In the time of step S33, control module 14 judges whether the electric weight of the first battery 11 is less than the first default electric weight.In the time that the electric weight of the first battery 11 is more than or equal to the first default electric weight (be full of electric weight 30%), enter step S32 (as pattern 5-6,9-10,17-18,21-22,29-30,33-34,41-42, the 45-46 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the first default electric weight, enter step S34.In the present embodiment, control module 14 can be learnt via the measuring IC of the first battery 11 electric weight of current the first battery 11.In the present embodiment, the first default electric weight is the electric weight 30% of the first battery 11 while being full of, but not as limit.In the time of step S34, control module 14 sends controls signal C1, makes the first switch 21 end (as pattern 7-8,11-12,19-20,23-24,31-32,35-36,43-44, the 47-48 of Fig. 3 A to Fig. 3 C).
Fig. 5 is the control flow chart of second switch provided by the present invention.As shown in Figure 5, in the time of step S41, control module 14 judges whether the power input voltage of power supply unit input end 12 is more than or equal to one second predeterminated voltage (for example 5V).In the time that power input voltage is more than or equal to the second predeterminated voltage, enter step S42 (as pattern 1-8,13-20,25-32, the 37-44 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the second predeterminated voltage, enter step S43.In the present embodiment, the second predeterminated voltage is 5V, but not as limit.In the time of step S42, control module 14 sends controls signal C1, makes second switch 22 conductings, and the first battery 11 and/or power input voltage charge to flat computer 30.
In the time of step S43, control module 14 judges whether the electric weight of the first battery 11 is less than the first default electric weight.In the time that the electric weight of the first battery is more than or equal to the first default electric weight (be full of electric weight 30%), enter step S42 (as pattern 9-10,21-22,33-34, the 45-46 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the first default electric weight, enter step S44.In the time of step S44, control module 14 sends controls signal C1, makes second switch 21 end (as pattern 11-12,23-24,35-36, the 47-48 of Fig. 3 A to Fig. 3 C).
Fig. 6 is the control flow chart of the 3rd switch provided by the present invention.As shown in Figure 6, in the time of step S51, control module 14 judges whether the power input voltage of power supply unit input end 12 is more than or equal to the first predeterminated voltage (for example 12V).In the time that power input voltage is more than or equal to the first predeterminated voltage, enter step S52 (as pattern 1-4,13-16,25-28, the 37-40 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the first predeterminated voltage, enter step S53.In the present embodiment, the first predeterminated voltage is 12V, but not as limit.In the time of step S52, control module 14 sends controls signal C1, the 3rd switch 23 is ended, and flat computer 30 can not powered to USB port 15.
In the time of step S53, control module 14 judges whether the electric weight of the first battery 11 is less than the first default electric weight.In the time that the electric weight of the first battery 11 is more than or equal to the first default electric weight (be full of electric weight 30%), enter step S52 (as pattern 5-6,9-10,17-18,21-22,29-30,33-34,41-42, the 45-46 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that power input voltage is less than the first default electric weight, enter step S54.In the present embodiment, the first default electric weight is the electric weight 30% of the first battery 11 while being full of, but not as limit.
In the time of step S54, control module 14 judge the electric weight of flat computer 30 whether be less than one second default electric weight (flat computer 30 be full of electric weight 30%).In the time that the electric weight of flat computer 30 is more than or equal to the second default electric weight, enter step S55 (as pattern 7-8,11-12,19-20, the 23-24 of Fig. 3 A to Fig. 3 C).Otherwise, in the time that the electric weight of flat computer 30 is less than the second default electric weight, enter step S52 (as pattern 31-32,35-36,43-44, the 47-48 of Fig. 3 A to Fig. 3 C).
In the present embodiment, control module 14 can be learnt via the measuring IC of the second battery 31 electric weight of current flat computer 30 (the second battery 31).In the present embodiment, the second default electric weight is the electric weight 30% of the second battery 31 while being full of, but not as limit.
The expansion foundation providing in the present invention and control method, control module 14 can be according to the electric weight gauge tap unit 13 of the electric weight of power input voltage, the first battery 11 and the second battery 31, to optionally supply power to USB port 15.Should be noted, the switch element 13 in the present invention also can be used as the power switch of other device (for example CD player, hard disk).
In sum, expansion foundation provided by the present invention and control method can make the control module 14 can be according to the electric weight of the electric weight of power input voltage, the first battery 11 and the second battery 31, select the power supply mode of USB port 15, to offer convenience for user.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention; those skilled in the art under the premise without departing from the spirit and scope of the present invention, can do a little change and retouching, therefore protection scope of the present invention is to be as the criterion with claim of the present invention.
Claims (8)
1. an expansion foundation, comprising:
One first battery;
One power supply unit input end, in order to receive a power input voltage of a power supply unit;
One USB port;
One switch element, in order to according to a control signal, optionally supplies power to above-mentioned USB port, so that above-mentioned flat computer is linked up with the electronic installation that above-mentioned USB port is connected; And
One control module, in order to when above-mentioned expansion foundation is in the time that a flat computer is combined, according to above-mentioned power input voltage, the electric weight of above-mentioned the first battery and above-mentioned flat computer, the above-mentioned above-mentioned switch element that controls signal to is provided, wherein in the time that a first condition meets, above-mentioned switch element is according to above-mentioned control signal, above-mentioned USB port is powered by above-mentioned power input voltage and/or above-mentioned the first battery, and above-mentioned first condition is that above-mentioned power input voltage is more than or equal to one first predeterminated voltage, or above-mentioned power input voltage is less than above-mentioned the first predeterminated voltage but the electric weight of above-mentioned the first battery is more than or equal to one first default electric weight.
2. expansion foundation as claimed in claim 1, wherein when above-mentioned first condition does not meet, but when the electric weight of above-mentioned flat computer is more than or equal to one second default electric weight, above-mentioned switch element, according to above-mentioned control signal, makes above-mentioned USB port be powered by above-mentioned flat computer.
3. expansion foundation as claimed in claim 1, wherein above-mentioned switch element also comprises:
One first switch, is coupled between above-mentioned the first battery and/or above-mentioned power supply unit input end and above-mentioned USB port;
One second switch, is coupled between above-mentioned the first battery and/or above-mentioned power supply unit input end and above-mentioned flat computer; And
One the 3rd switch, is coupled between above-mentioned flat computer and above-mentioned USB port;
Wherein in the time that above-mentioned first condition meets, above-mentioned the first switch is according to above-mentioned control signal and conducting makes above-mentioned USB port be powered by above-mentioned power input voltage and/or above-mentioned the first battery.
4. expansion foundation as claimed in claim 3, wherein in the time that a second condition meets, above-mentioned second switch conducting, above-mentioned the first battery and/or above-mentioned power input voltage are charged to above-mentioned flat computer, wherein above-mentioned second condition is that above-mentioned power input voltage is more than or equal to one second predeterminated voltage, or above-mentioned power input voltage is less than above-mentioned the second predeterminated voltage but the electric weight of above-mentioned the first battery is greater than the above-mentioned first default electric weight, wherein above-mentioned the second predeterminated voltage is less than above-mentioned the first predeterminated voltage, and is greater than zero.
5. expansion foundation as claimed in claim 3, wherein when above-mentioned first condition does not meet, but the electric weight of above-mentioned flat plate cell is while being more than or equal to the above-mentioned second default electric weight, and above-mentioned the 3rd switch conduction, makes above-mentioned USB port be powered by above-mentioned flat computer.
6. a control method for expansion foundation, is applicable to have one first battery, an expansion foundation of a power supply unit input end, a switch element and a control module, and above-mentioned control method comprises:
When above-mentioned expansion foundation is in the time that a flat computer is combined, detect a power input voltage of the electric weight of above-mentioned the first battery, above-mentioned power supply unit input end and the electric weight of above-mentioned flat computer;
According to the electric weight of the electric weight of above-mentioned the first battery, above-mentioned power input voltage and above-mentioned flat computer, send one and control signal to above-mentioned switch element; And
In the time that a first condition meets, according to the above-mentioned switch element of above-mentioned control signal control, above-mentioned USB port is powered by above-mentioned power input voltage and/or above-mentioned the first battery, wherein above-mentioned first condition is that above-mentioned power input voltage is more than or equal to one first predeterminated voltage, or above-mentioned power input voltage is less than above-mentioned the first predeterminated voltage but the electric weight of above-mentioned the first battery is more than or equal to one first default electric weight.
7. the control method of expansion foundation as claimed in claim 6, also comprise that working as above-mentioned first condition does not meet, but when the electric weight of above-mentioned flat computer is more than or equal to one second default electric weight, according to the above-mentioned switch element of above-mentioned control signal control, above-mentioned USB port is powered by above-mentioned flat computer.
8. the control method of expansion foundation as claimed in claim 6, also comprise in the time that a second condition meets, according to the above-mentioned switch element of above-mentioned control signal control, above-mentioned the first battery and/or above-mentioned power input voltage are charged to above-mentioned flat computer, wherein above-mentioned second condition is that above-mentioned power input voltage is more than or equal to one second predeterminated voltage, or above-mentioned power input voltage is less than above-mentioned the second predeterminated voltage but the electric weight of above-mentioned the first battery is greater than the above-mentioned first default electric weight, wherein above-mentioned the second predeterminated voltage is less than above-mentioned the first predeterminated voltage, and be greater than zero.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102117833 | 2013-05-21 | ||
| TW102117833A TWI495993B (en) | 2013-05-21 | 2013-05-21 | A docking station and controlling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104181987A true CN104181987A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310223829.3A Pending CN104181987A (en) | 2013-05-21 | 2013-06-06 | Docking station and control method |
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| Country | Link |
|---|---|
| CN (1) | CN104181987A (en) |
| TW (1) | TWI495993B (en) |
Cited By (1)
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| CN105988542A (en) * | 2015-01-13 | 2016-10-05 | 广达电脑股份有限公司 | Computer stick expansion system and power management method thereof |
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| TWI555303B (en) * | 2015-01-19 | 2016-10-21 | 圓展科技股份有限公司 | Intelligent charging system and charging resource allocation processing method thereof |
| CN107025195A (en) * | 2016-01-30 | 2017-08-08 | 鸿富锦精密电子（重庆）有限公司 | Power supply system of electronic device |
| CN107025194A (en) * | 2016-01-30 | 2017-08-08 | 鸿富锦精密电子（重庆）有限公司 | Power supply system of electronic device |
| TWI620388B (en) * | 2016-12-21 | 2018-04-01 | 緯創資通股份有限公司 | Electronic device |
| TWI616049B (en) * | 2017-04-24 | 2018-02-21 | 廣達電腦股份有限公司 | Electronic device and power method thereof |
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Also Published As
| Publication number | Publication date |
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| TWI495993B (en) | 2015-08-11 |
| TW201445297A (en) | 2014-12-01 |
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