CN1622004A - Electric power administration arrangement and method for portable computers with auxiliary power supply - Google Patents

Electric power administration arrangement and method for portable computers with auxiliary power supply Download PDF

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Publication number
CN1622004A
CN1622004A CN 200310112266 CN200310112266A CN1622004A CN 1622004 A CN1622004 A CN 1622004A CN 200310112266 CN200310112266 CN 200310112266 CN 200310112266 A CN200310112266 A CN 200310112266A CN 1622004 A CN1622004 A CN 1622004A
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China
Prior art keywords
portable computer
rechargeable battery
solar
electric
power supply
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Granted
Application number
CN 200310112266
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Chinese (zh)
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CN1332286C (en
Inventor
陈龙焜
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Mitac Computer Shunde Ltd
Getac Technology Corp
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Mitac Computer Shunde Ltd
Mitac Technology Corp
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Priority to CNB2003101122667A priority Critical patent/CN1332286C/en
Publication of CN1622004A publication Critical patent/CN1622004A/en
Application granted granted Critical
Publication of CN1332286C publication Critical patent/CN1332286C/en
Anticipated expiration legal-status Critical
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Abstract

The power supply managing device with one auxiliary power source for portable computer includes one power supply switching unit, one rechargeable battery electricity detecting circuit, one solar energy electricity detecting circuit, one electricity comparing circuit, one system electricity demand detecting circuit and one solar charging control switch. The power supply switching unit switches between the connection to the rechargeable battery and the connection to the solar energy power source under the control of the CPU in the portable computer based on the detection results. The power supply managing method includes also comparison between the system electricity demand and the electricity of the solar energy power source to control the power supply selection.

Description

Portable computer electric power controller and method with secondary electrical supply
Technical field
The invention relates to a kind of portable computer electric power controller and method, be meant a kind of portable computer electric power controller and method that includes sun power as secondary electrical supply especially.
Background technology
It is more prevalent to look into the application of Portable electric equipment in the society of industry and commerce now, and for example most typical Portable electric equipment includes notebook computer, inferior notebook computer, mobile communication apparatus, Portable checkout equipment, Portable audio-visual equipment ... Deng.By the use of these Portable electric equipments or auxiliary, can be so that the user obtains maximum work efficiency, best commercial activity effect and the most convenient living condition.
Using these easily during the Portable electric equipment, all must be dependent on battery and supply operation required electric power.Charging modes with the present unique dependence of battery that portable computer was used that is extensive use of is general mains ac power supply.When the stored electric energy of rechargeable battery is used up,, promptly can't charge if there is not the mains ac power supply.In order to elongate the service time of the rechargeable battery that will make this portable computer, the general practice is the electricity capacity that increases this rechargeable battery, the extra standby rechargeable battery of preparing so can cause the volume and the weight of rechargeable battery to strengthen, if then can cause the added burden of carrying.In fact, increase the practice of this battery electricity capacity, in fact for the standby of this portable computer or there is not service time essence to help significantly.
In present technology, the technology that another kind can increase battery service time of portable computer is to control normal condition, holding state or the dormant state of this portable computer in program control mode.But this type of design only can reach energy-conservation, takes into account the effect of increasing income and can't reach.
Summary of the invention
Therefore, the present invention's fundamental purpose promptly is to provide a kind of portable computer electric power controller with secondary electrical supply at the demand, by the auxiliary power of configuration and the common formation of rechargeable battery one electric power supply apparatus of the former outfit of this portable computer, to provide this portable computer operation required electric power.
Another object of the present invention provides a kind of portable computer electric power controller that includes sun power as secondary electrical supply, the auxiliary power of this sun power sees through the control of supply path switchings and cooperates the detection of rechargeable battery electric weight, and the detection of sun power electric weight, and can select switching to be connected to this rechargeable battery or solar power supply apparatus.
Another object of the present invention provides a kind of electric power controller that can be charged to the rechargeable battery of portable computer by solar electric power, when the present invention judges solar electric power greater than the electric power of rechargeable battery, promptly charge to this rechargeable battery by this solar electric power.
In order to reach above-mentioned the object of the invention, in the present invention's technological means, include a control device, it includes a supply path switching device shifter, one rechargeable battery electric weight testing circuit, one sun power electric weight testing circuit, one charge value comparator circuit, one system requirements electric weight testing circuit, one solar charging electric control switch, the electric weight and the sun power electric weight of the rechargeable battery that this supply path switching device shifter is detected according to this rechargeable battery electric weight testing circuit and sun power electric weight testing circuit, and under the control of Central Processing Unit among this portable computer device, select switching to be connected to this rechargeable battery or solar power supply apparatus.The present invention also comprises the charge value that comparison system is required and the charge value of solar power supply apparatus, selects by this solar power supply apparatus or rechargeable battery supply electric power to this portable computer with control.The solar power current collection plate of this solar power supply apparatus configurable at this portable computer display backplane or make a separable solar power current collection plate, its with portable computer between be connected by a connecting line.
Description of drawings
Be described in further detail below in conjunction with most preferred embodiment and accompanying drawing portable computer electric power controller and method with secondary electrical supply to the present invention:
Fig. 1 is the present invention's control circuit calcspar;
Fig. 2 is the stereographic map that a solar power current collection plate is configured in the display backplane of portable computer;
Fig. 3 is a separable solar power current collection plate is connected in portable computer by a connecting line a stereographic map;
Fig. 4 is the present invention's control flow chart.
Embodiment
Consult shown in Figure 1ly, it has the preferred embodiment circuit function calcspar of the portable computer electric power controller of secondary electrical supply for the present invention.As shown in the figure, the power source of one portable computer 1 includes a rechargeable battery 2 and a solar power supply apparatus 3, wherein this rechargeable battery 2 for example can be present widely used lithium battery, can be charged via a charging circuit 4 by an AC power.The battery electric power V1 that this rechargeable battery 2 is saved can be supplied to a supply path switching device shifter 5.
This solar power supply apparatus 3 then is made up of an at least one solar power current collection plate 31 and a device for converting solar energy 32, wherein this solar power current collection plate 31 can be in order to absorb solar radiation energy, when this solar power current collection plate 31 is subjected to irradiate light, this solar power current collection plate 31 can produce DC voltage, this voltage is sent in the device for converting solar energy 32, after the conversion of passing through voltage quasi position, voltage stabilizing, send solar electric power V2 to supply path switching device shifter 5 by the output terminal of this device for converting solar energy 32.
Include the change-over switch 51 of a mechanical type contact or electronic type contact in this supply path switching device shifter 5, handoff functionality by this change-over switch 51, changeable rechargeable battery power V1 or the solar electric power V2 of being connected to is with this rechargeable battery power V1 or solar electric power V2 is supplied in the portable computer 1 as working power.The action of the change-over switch 51 of this supply path switching device shifter 5 can one of be sent supply path switch-over control signal SW1 by central processor 11 among the portable computer 1 and be controlled.
In addition, include a solar charging electric control switch 52 in this supply path switching device shifter 5, and central processor 11 can produce a solar charging electric control signal SW2 in addition among this portable computer 1, to control the on off state of this solar charging electric control switch 52.When this solar charging electric control switch 52 is subjected to central processing unit 11 in the control of the solar charging electric control signal SW2 that produced predetermined opportunity and when closed, the solar electric power V2 that this solar power supply apparatus 3 can be produced charges to the rechargeable battery 2 of underfill electricity.
One battery electric quantity testing circuit 6 is connected in the positive terminal (+) of this rechargeable battery 2, in order to measure the electric weight of saving of this rechargeable battery 2, this battery electric quantity testing circuit 6 includes an electric weight testing circuit 61 and and simulates to digital conversion circuit 62, wherein this electric weight testing circuit 61 is behind the charge value that detects this rechargeable battery, simulate to digital conversion circuit 62 by this and to be converted to digital signal, and this signal is delivered to central processor 11 among this portable computer 1.
One system requirements electric weight testing circuit 7 can be in order to measure this portable computer 1 in use, the electric weight that total system is required.For example, this system requirements electric weight testing circuit 7 can see through a current detection component 71 (for example a series connection resistance) and measures this rechargeable battery 2 and be supplied to the electric current of whole computer system and can calculate the required electric weight of this system.Certainly also can adopt alternate manner to measure or estimate the total system demand electric weight of this computer.The system requirements charge value C1 that this system requirements electric weight testing circuit 7 is measured can be sent to the input end of a charge value comparator circuit 8.
And aspect solar powered, also the output terminal at this solar power supply apparatus 3 is connected with a sun power electric weight testing circuit 9, can be in order to measure the solar-electricity value C2 that 3 of this solar power supply apparatus can supply, this solar-electricity value C2 also is sent to another input end of charge value comparator circuit 8.
This charge value comparator circuit 8 can compare both sizes according to received system requirements charge value C1 and solar-electricity value C2, and comparative result is delivered to central processor 11 among this portable computer 1.
Fig. 2 is the solar power current collection plate 31 configurable display backplane 12 at this portable computer 1 among the present invention, and Fig. 3 for this solar power current collection plate 31 can also be a separable solar power current collection plate, its with portable computer 1 between be connected by a connecting line 13.
Based on aforementioned circuit function calcspar of the present invention and arrangement plan, the present invention controls the electric power that is supplied to portable computer 1 according to control flow as shown in Figure 4 again.Now consult Fig. 1 and shown in Figure 4 simultaneously, to the present invention have secondary electrical supply portable computer method for managing power supply explanation as after.
At first, whether the present invention's control flow detects solar power supply apparatus 3 earlier supply solar electric power (step 100), if not, then the change-over switch 51 in the supply path switching device shifter 5 is subjected to the supply path switch-over control signal SW1 control that central processor 11 is produced among the portable computer 1, and be connected to the path of rechargeable battery 2, so by the required electric power (step 101) of rechargeable battery 2 supply portable computers, 1 operation.
Supply is arranged during solar electric power if in step 100, detect solar power supply apparatus 3, then detect the electric weight (step 102) that rechargeable battery 2 is saved with rechargeable battery electric weight testing circuit 6, if the electric weight that this rechargeable battery 2 is saved does not reach full power state (step 103), then can further detect the rechargeable battery power V1 (step 104) whether solar electric power V2 that solar power supply apparatus 3 produced is supplied greater than rechargeable battery 2, if then the solar electric power V2 that is produced by solar power supply apparatus 3 is to rechargeable battery 2 charge (step 105).At this moment, solar charging electric control switch 52 is subjected to central processor 11 produced among the portable computer 1 solar charging electric control signal SW2 control and closed.
In the step 103, reach full power state, then detect the required electric power (step 106) of these computer systems by system requirements electric weight testing circuit 7 if detect the electric weight that this rechargeable battery 2 saved.At this moment, sun power electric weight testing circuit 9 also detects the solar-electricity value C2 (step 107) that 3 of this solar power supply apparatus can supply.Then, by charge value comparator circuit 8 relatively this solar-electricity value C2 and comparative result delivered to central processor 11 among this portable computer 1 whether greater than this system requirements charge value C1 (step 108).
In step 108, if solar-electricity value C2 is not greater than system requirements charge value C1, then by the required electric power (step 109) of rechargeable battery 2 supply portable computers, 1 operation, if and solar-electricity value C2 is greater than system requirements charge value C1, then by the required electric power (step 110) of solar power supply apparatus 3 supply portable computers, 1 operation.
In sum, the present invention is by circuit and control flows such as supply path switching device shifter, solar charging electric control switch, rechargeable battery electric weight testing circuit, system requirements electric weight testing circuit, charge value comparator circuit, sun power electric weight testing circuits, supply path with control solar power supply apparatus and rechargeable battery, be supplied to the required electric power of portable computer operation and can effectively manage, this design really has the practical value of height, so the present invention meets the important document of patent really, proposes the application of patent in accordance with the law.
Only above narration only is the present invention's preferred embodiment explanation, allly is skillful in this operator when doing other all improvement according to above-mentioned explanation, and these changes of thought still belong in the present invention's the creation spirit and following claims that defined.

Claims (13)

1. portable computer electric power controller with secondary electrical supply is characterized in that comprising:
One rechargeable battery is in order to supply this portable computer device operation required rechargeable battery power;
One solar power supply apparatus, in order to absorbing solar radiation energy, and with this energy conversion and supply a solar electric power to this portable computer device;
One supply path switching device shifter is connected between this solar power supply apparatus, rechargeable battery and the portable computer device;
One rechargeable battery electric weight testing circuit is connected in the voltage output end of this rechargeable battery, in order to measuring the electric weight of this rechargeable battery, and the signal of this electric weight is delivered to Central Processing Unit among the portable computer device;
One sun power electric weight testing circuit is connected in the voltage output end of this solar power supply apparatus, in order to measuring the electric weight that this solar power supply apparatus produces, and the signal of this electric weight is delivered to Central Processing Unit among the portable computer device;
Wherein this supply path switching device shifter is according to the detection signal of this rechargeable battery electric weight testing circuit and sun power electric weight testing circuit and under the control of Central Processing Unit among this portable computer device, select switching to be connected to this rechargeable battery or solar power supply apparatus, so that this rechargeable battery power or solar electric power switching are supplied to this portable computer device.
2. have the portable computer electric power controller of secondary electrical supply according to claim 1, it is characterized in that:
Also include a charge value comparator circuit, have two input ends, be connected to the output terminal of this rechargeable battery electric weight testing circuit and sun power electric weight testing circuit, in order to relatively this rechargeable battery electric weight and sun power electric weight, again the signal of comparative result is delivered to Central Processing Unit among the portable computer device, so that this CPU (central processing unit) is differentiated the electric weight of this rechargeable battery and solar power supply apparatus according to this.
3. have the portable computer electric power controller of secondary electrical supply according to claim 1, it is characterized in that:
Also include a system requirements electric weight testing circuit, in order to measure the required system's electric weight of this portable computer device.
4. as the portable computer electric power controller as described in the claim 3, it is characterized in that with secondary electrical supply:
This system requirements electric weight testing circuit detects this rechargeable battery via a current detection component and is supplied to the current value of portable computer device and calculates the required system's electric weight of this portable computer device.
5. have the portable computer electric power controller of secondary electrical supply according to claim 1, it is characterized in that:
Also include a solar charging electric control switch, be connected in series between the voltage output end of the positive terminal of this rechargeable battery and solar power supply apparatus, so that the solar electric power that this solar power supply apparatus produced during greater than the electric power of rechargeable battery, is charged to rechargeable battery by this solar power supply apparatus.
6. the portable computer electric power controller that has secondary electrical supply according to claim 1 is characterized in that this solar power supply apparatus comprises:
At least one solar power current collection plate is in order to absorb solar radiation energy;
One solar energy-electric energy conversion equipment converts the compatible auxiliary electric energy of this portable computer device in order to the electric energy that this solar power current collection plate is supplied.
7. as the portable computer electric power controller as described in the claim 6, it is characterized in that with secondary electrical supply:
This solar power current collection plate is the display backplane that is configured in this portable computer.
8. as the portable computer electric power controller as described in the claim 6, it is characterized in that with secondary electrical supply:
This solar power current collection plate is a separable solar power current collection plate, its with portable computer between be connected by a connecting line.
9. the portable computer electric power controller that has secondary electrical supply according to claim 1 is characterized in that this rechargeable battery electric weight testing circuit includes:
One rechargeable battery electric weight testing circuit is connected in the voltage output end of this rechargeable battery, in order to measure the electric weight of saving of this rechargeable battery;
One simulates to digital conversion circuit, converts digital signal in order to the rechargeable battery charge value that this electric weight testing circuit is detected, and this signal is delivered to central processor among this portable computer.
10. the portable computer method for managing power supply with secondary electrical supply includes a rechargeable battery and a solar power supply apparatus, in order to supply portable computer operation required electric power, it is characterized in that this method comprises the following steps:
(a) detect the charge value that the rechargeable battery of this portable computer is saved;
(b) detect the required charge value of this portable computer system;
(c) charge value of detection solar power supply apparatus;
(d) the relatively required charge value of this system and the charge value of solar power supply apparatus, when the charge value of this solar power supply apparatus during greater than the required charge value of system, supply solar electric power to this portable computer by this solar power supply apparatus, and when the charge value of this solar power supply apparatus during less than the required charge value of system, by this rechargeable battery supply battery electric power to this portable computer.
11. as the portable computer method for managing power supply as described in the claim 10 with secondary electrical supply, it is characterized in that: step (a) before, also comprise and detect the step whether this solar power supply apparatus has the supply solar electric power, when detecting this solar power supply apparatus when solar electric power not being arranged, then directly by this rechargeable battery supply battery electric power to this portable computer.
12. the portable computer method for managing power supply with secondary electrical supply as described in the claim 10 is characterized in that:
Comprise also in the step (a) whether the electric weight of judging this rechargeable battery reaches the step of Full Charge Capacity.
13., when it is characterized in that judging the electric weight of this rechargeable battery,, then further comprise the following steps: if this rechargeable battery does not reach Full Charge Capacity as the portable computer method for managing power supply as described in the claim 12 with secondary electrical supply
Whether the solar electric power of judging the solar power supply apparatus supply is greater than the electric power of rechargeable battery, if then charged to rechargeable battery by the solar electric power that this solar power supply apparatus produced.
CNB2003101122667A 2003-11-24 2003-11-24 Electric power administration arrangement and method for portable computers with auxiliary power supply Expired - Lifetime CN1332286C (en)

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CNB2003101122667A CN1332286C (en) 2003-11-24 2003-11-24 Electric power administration arrangement and method for portable computers with auxiliary power supply

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Application Number Priority Date Filing Date Title
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CN1332286C CN1332286C (en) 2007-08-15

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CN102306045A (en) * 2011-05-06 2012-01-04 友达光电股份有限公司 Display device and operation method thereof
CN102318178A (en) * 2011-07-29 2012-01-11 华为终端有限公司 Ultra-long standby method and ultra-long standby terminal
CN102609068A (en) * 2012-01-20 2012-07-25 李涛 Computer system power management control method and device based on solar energy
CN102088204B (en) * 2009-12-05 2013-01-02 佛山市顺德区汉达精密电子科技有限公司 Electronic device for switching power supply mode through detecting external power supply
CN102968167A (en) * 2011-08-31 2013-03-13 三星电子株式会社 Mobile electronic apparatus having solar cells
CN103094978A (en) * 2011-11-08 2013-05-08 亚旭电子科技(江苏)有限公司 Uninterrupted power testing device
TWI494745B (en) * 2013-11-18 2015-08-01 Polybatt Energy Technology Co Ltd Mobile power charging information detection display method
CN104900927A (en) * 2014-03-07 2015-09-09 世和能源科技股份有限公司 Detection and display method for mobile power supply charging information
CN106451722A (en) * 2016-08-10 2017-02-22 深圳市昂佳科技有限公司 Unmanned aerial vehicle battery management system and method
CN106468734A (en) * 2015-08-19 2017-03-01 Ls 产电株式会社 Electricity monitoring system

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CN101841275A (en) 2010-01-29 2010-09-22 鸿富锦精密工业(深圳)有限公司 Electronic equipment and power supply management device thereof
US9634517B2 (en) * 2014-02-17 2017-04-25 Lenovo (Singapore) Pte. Ltd. Battery charging mode selection

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CN1043938C (en) * 1995-02-17 1999-06-30 宏碁电脑股份有限公司 Power supply circuit capable of eliminating memory effect of cell
US6300944B1 (en) * 1997-09-12 2001-10-09 Micron Technology, Inc. Alternative power for a portable computer via solar cells
CN1393751A (en) * 2001-07-04 2003-01-29 神基科技股份有限公司 Auxiliary solar power supply for notebook computer

Cited By (16)

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CN102088204B (en) * 2009-12-05 2013-01-02 佛山市顺德区汉达精密电子科技有限公司 Electronic device for switching power supply mode through detecting external power supply
CN102306045B (en) * 2011-05-06 2016-02-24 友达光电股份有限公司 Display device and operation method thereof
CN102306045A (en) * 2011-05-06 2012-01-04 友达光电股份有限公司 Display device and operation method thereof
CN102318178A (en) * 2011-07-29 2012-01-11 华为终端有限公司 Ultra-long standby method and ultra-long standby terminal
WO2011137874A3 (en) * 2011-07-29 2012-06-21 华为终端有限公司 Ultra-long standby method and ultra-long standby terminal
CN102968167B (en) * 2011-08-31 2016-12-28 三星电子株式会社 There is the mobile electronic device of solaode
CN102968167A (en) * 2011-08-31 2013-03-13 三星电子株式会社 Mobile electronic apparatus having solar cells
US9354682B2 (en) 2011-08-31 2016-05-31 Samsung Electronics Co., Ltd. Mobile electric apparatus having solar cells
CN103094978A (en) * 2011-11-08 2013-05-08 亚旭电子科技(江苏)有限公司 Uninterrupted power testing device
CN102609068A (en) * 2012-01-20 2012-07-25 李涛 Computer system power management control method and device based on solar energy
TWI494745B (en) * 2013-11-18 2015-08-01 Polybatt Energy Technology Co Ltd Mobile power charging information detection display method
US9444274B2 (en) 2013-11-18 2016-09-13 Polybatt Energy Technology Co., Ltd. Method of detection and display of charging information of power bank
CN104900927A (en) * 2014-03-07 2015-09-09 世和能源科技股份有限公司 Detection and display method for mobile power supply charging information
CN104900927B (en) * 2014-03-07 2017-08-08 世和能源科技股份有限公司 The method of portable power source charge information detecting display
CN106468734A (en) * 2015-08-19 2017-03-01 Ls 产电株式会社 Electricity monitoring system
CN106451722A (en) * 2016-08-10 2017-02-22 深圳市昂佳科技有限公司 Unmanned aerial vehicle battery management system and method

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