CN2762421Y - Electronic device with multiple power supply sources - Google Patents
Electronic device with multiple power supply sources Download PDFInfo
- Publication number
- CN2762421Y CN2762421Y CN 200420119118 CN200420119118U CN2762421Y CN 2762421 Y CN2762421 Y CN 2762421Y CN 200420119118 CN200420119118 CN 200420119118 CN 200420119118 U CN200420119118 U CN 200420119118U CN 2762421 Y CN2762421 Y CN 2762421Y
- Authority
- CN
- China
- Prior art keywords
- solar cell
- power supply
- electrically connects
- electronic installation
- administrative unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an electronic device with a plurality of power supplies, which comprises a main body, a charge jack which is arranged in the main body, a main cell, a power supply managing circuit and a host machine system, wherein the charge jack is electrically connected with an external power supply, and the power supply managing circuit is electrically connected with the charge jack and the main cell. The utility model is characterized in that the hand-held apparatus also comprises a solar cell which is electrically connected with the power supply managing circuit; the power supply managing circuit is used for detecting the power supply voltage of the main cell and the solar cell, and the main cell or the solar cell is selected to be used as a first input power supply; the power supply managing circuit is also used for detecting the power supply voltage of the charge jack and the first input power supply, and the charge jack or the first input power supply is selected to be used as an input power supply of the host machine system.
Description
[technical field]
The utility model provides a kind of hand-held device, the electronic installation of a plurality of power supplies of particularly a kind of tool.
[background technology]
Along with the communication technology, particularly developing rapidly of mobile communication technology worldwide has increasing people and brings into use various portable electronic commodity (as mobile phone and personal digital assistant etc.).The portable electronic commodity with its be easy to carry, advantage such as easy to use liked by people.Existing portable electronic commodity can obtain power supply by following dual mode, a kind of mode is for utilizing the external life of the charging adapter AC power that is complementary with personal digital assistant, another kind of mode is at the suitable internal battery of the internal preset of personal digital assistant, no matter uses the power supply of above-mentioned any mode all can make this personal digital assistant reach the purpose of normal operation.Yet the mode of use external power supply can be subjected to the restriction of environmental condition, and carrying of charging adapter can be made troubles to the user.In addition, though use default internal battery can avoid the restriction of environmental condition, the service time after the each charging of internal battery is very limited, can interrupt connecting with network when battery capacity is used up, and then influence portable electronic commodity convenience in the use.
[summary of the invention]
Main purpose of the present utility model is to provide the hand-held device of establishing the solar cell of multiple supplying cell in a kind of.
For reaching above purpose, the utility model provides the electronic installation of a plurality of power supplies of a kind of tool, comprise a body, be arranged at intrinsic charging jack, main battery, electric power management circuit and host computer system, this charging jack is used for electrically connecting external power source, this electric power management circuit electrically connects charging jack and main battery, wherein this hand-held device also comprises a solar cell, this solar cell electrically connects this electric power management circuit, detect the supply power voltage of this main battery and this solar cell and between main battery or solar cell, select one of them by this electric power management circuit as the first input power supply, this electric power management circuit also is used for detecting the supply power voltage of the charging jack and the first input power supply, and selects one of them input power supply as host computer system.
Compared to prior art, the utility model utilizes solar cell to collect the energy of the sun or indoor light source, and the transform light energy of utilizing solar cell to collect becomes electric energy.Be equiped with and make behind the solar cell hand-held device such as mobile phone not have still normally to use under the electric situation, prolong the service time of hand-held device at battery.
[description of drawings]
Fig. 1 is the structural representation of the electronic installation of a plurality of power supplies of the utility model tool.
Fig. 2 is the circuit block diagram of the electronic installation of a plurality of power supplies of the utility model tool.
Fig. 3 is the circuit block diagram that solar cell needs voltage amplification in the utility model.
[embodiment]
The utility model is the electronic installation of a plurality of power supplies of a kind of tool, in present embodiment, this hand-held device can be battery powered mobile phone more than, see also Figure 1 and Figure 2, this mobile phone 5 comprises a body 51, be provided with charging jack 11 in this body 51, main battery 12, solar cell 13, electric power management circuit 2 and host computer system 3, this charging jack 11 electrically connects external power source by a charging adapter, and jack 11 should charge, this main battery 12 and this solar cell 13 all electrically connect this electric power management circuit 2, detect this charging jack 11 by this electric power management circuit 2, the supply power voltage of this main battery 12 and this solar cell 13 is also selected one of them input power supply as host computer system 3.
Wherein this electric power management circuit 2 comprises first administrative unit 21 and second administrative unit 22, and these first administrative unit, 21 these main batterys 12 of electric connection and this solar cell 13 are to be used for the detecting supply power voltage of main battery 12 and solar cell 13 and to select one of them as the first input power supply.This second administrative unit 22 electrically connects this first input power supply and this charging jack 11 is imported the supply power voltage of power supply and charging jack 11 and selected one of them input power supply as host computer system 3 to be used for detecting first.
This first administrative unit 21 comprises first crystal diode 211 and second crystal diode 212 in parallel, main battery 12 electrically connects the positive pole of first crystal diode 211, solar cell 13 electrically connects the positive pole of second crystal diode 212, and the negative pole of first crystal diode 211 and second crystal diode 212 all electrically connects the input of this second administrative unit 22 and a utmost point of an electric capacity 213, another utmost point ground connection of this electric capacity 213.In addition, first crystal diode 211 and second crystal diode 212 can substitute with equivalent switching circuit respectively, and promptly first crystal diode, 211 usefulness, first switching circuit substitutes, and second crystal diode, 212 usefulness second switch circuit substitute.
When the supply power voltage of main battery 12 is higher than the supply power voltage of solar cell 13,211 conductings of first crystal diode, and second crystal diode 212 ends, the supply power voltage of main battery 12 can be imported power supply as first, otherwise when the supply power voltage of main battery 12 was lower than the supply power voltage of solar cell 13, first crystal diode 211 ended, and 212 conductings of second crystal diode can be imported power supply as first with the supply power voltage of solar cell 13.
When the supply power voltage from 11 inputs of charging jack is higher than the supply power voltage of the first input power supply, can be after detecting through second administrative unit 22 from the supply power voltage of charging jack 11 inputs input power supply as host computer system 3, otherwise, when the supply power voltage from jack 11 inputs of charging is lower than the supply power voltage of the first input power supply, through importing the input power supply of the supply power voltage of power supply with first after 22 detections of second administrative unit as host computer system 3.
Under the normal condition, the supply power voltage of importing from charging jack 11 is 5V, and the supply power voltage of main battery 12 is 3.6V～4.2V, and the supply power voltage of solar cell 13 is 3.6V～4.2V.Hence one can see that, when charging jack 11 electrically connects external power source by charging adapter, and will be from the supply power voltage of charging jack 11 inputs as the input power supply of host computer system 3.And when charging jack 11 does not electrically connect external power source by charging adapter, can select one of them input power supply according to the main battery 12 and the supply power voltage size of solar cell 13 as host computer system 3.Thus, even when the supply power voltage of main battery 12 is not enough to keep the normal operation of host computer system 3, also can pass through the input power supply of solar cell 13, thereby prolong the service time of mobile phone 5 as host computer system 3.
In addition, also one (or the combination of more than one solar chip) can be carried out voltage amplification to reach required supply power voltage.Shown in the 3rd figure, the output of solar cell 13 electrically connects a voltage amplifier circuit 7, exports host computer system 3 after voltage amplification to.Wherein this voltage amplifier circuit 7 is made up of a voltage amplification chip 71 and peripheral circuit thereof, and in present embodiment, the model of this voltage amplification chip 71 is MAX1708.
Claims (10)
1. the electronic installation of a plurality of power supplies of tool, comprise a body, be arranged at intrinsic charging jack, main battery, electric power management circuit and host computer system, this charging jack is used for electrically connecting external power source, this electric power management circuit electrically connects charging jack and main battery, it is characterized in that: this hand-held device also comprises a solar cell, this solar cell electrically connects this electric power management circuit, detect the supply power voltage of this main battery and this solar cell and between main battery or solar cell, select one of them by this electric power management circuit as the first input power supply, this electric power management circuit also is used for detecting the supply power voltage of the charging jack and the first input power supply, and selects one of them input power supply as host computer system.
2. the electronic installation of a plurality of power supplies of tool according to claim 1 is characterized in that: this electric power management circuit comprises first administrative unit and second administrative unit.
3. the electronic installation of a plurality of power supplies of tool according to claim 2 is characterized in that: this first administrative unit electrically connects this main battery and this solar cell to be used for the detecting supply power voltage of main battery and this solar cell and to select one of them as the first input power supply.
4. according to the electronic installation of claim 2 or a plurality of power supplies of 3 described tools, it is characterized in that: this first administrative unit comprises first switching circuit and second switch circuit, first switching circuit is electrically connected to the main battery and second administrative unit, and the second switch circuit electrically connects the solar cell and second administrative unit.
5. the electronic installation of a plurality of power supplies of tool according to claim 4, it is characterized in that: this first switching circuit is first crystal diode, the positive pole of first crystal diode electrically connects main battery, the negative pole of first crystal diode electrically connects the input of second administrative unit, this second switch circuit is second crystal diode, the positive pole of second crystal diode electrically connects solar cell, and the negative pole of second crystal diode electrically connects the input of second administrative unit.
6. the electronic installation of a plurality of power supplies of tool according to claim 3 is characterized in that: this second administrative unit electrically connects this first input power supply and this charging jack is imported the supply power voltage of power supply and charging jack and selected one of them input power supply as host computer system to be used for detecting first.
7. the electronic installation of a plurality of power supplies of tool according to claim 1, it is characterized in that: this solar cell comprises some solar chips.
8. the electronic installation of a plurality of power supplies of tool according to claim 7 is characterized in that: pass through tandem compound between some solar chips.
9. the electronic installation of a plurality of power supplies of tool according to claim 1, it is characterized in that: this solar cell comprises a solar chip.
10. according to the electronic installation of claim 7, a plurality of power supplies of 8 or 9 described tools, it is characterized in that: solar chip electrically connects a voltage amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420119118 CN2762421Y (en) | 2004-12-30 | 2004-12-30 | Electronic device with multiple power supply sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420119118 CN2762421Y (en) | 2004-12-30 | 2004-12-30 | Electronic device with multiple power supply sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762421Y true CN2762421Y (en) | 2006-03-01 |
Family
ID=36095537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420119118 Expired - Fee Related CN2762421Y (en) | 2004-12-30 | 2004-12-30 | Electronic device with multiple power supply sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762421Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210560A (en) * | 2010-11-10 | 2013-07-17 | 德克萨斯仪器股份有限公司 | Battery power path management apparatus and methods |
| CN103595078A (en) * | 2012-08-14 | 2014-02-19 | 神讯电脑(昆山)有限公司 | Manually switched battery circuit |
| CN106532811A (en) * | 2016-10-28 | 2017-03-22 | 合肥联宝信息技术有限公司 | Multi-battery charging and discharging switching method and apparatus, battery circuit and multi-battery system |
-
2004
- 2004-12-30 CN CN 200420119118 patent/CN2762421Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210560A (en) * | 2010-11-10 | 2013-07-17 | 德克萨斯仪器股份有限公司 | Battery power path management apparatus and methods |
| CN103210560B (en) * | 2010-11-10 | 2016-07-06 | 德克萨斯仪器股份有限公司 | Power of battery path management apparatus and method |
| CN103595078A (en) * | 2012-08-14 | 2014-02-19 | 神讯电脑(昆山)有限公司 | Manually switched battery circuit |
| CN103595078B (en) * | 2012-08-14 | 2016-05-18 | 神讯电脑(昆山)有限公司 | Hand switch battery circuit |
| CN106532811A (en) * | 2016-10-28 | 2017-03-22 | 合肥联宝信息技术有限公司 | Multi-battery charging and discharging switching method and apparatus, battery circuit and multi-battery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |