CN101442831A - Mobile equipment capable of using battery mutually - Google Patents
Mobile equipment capable of using battery mutually Download PDFInfo
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- CN101442831A CN101442831A CNA2007101780392A CN200710178039A CN101442831A CN 101442831 A CN101442831 A CN 101442831A CN A2007101780392 A CNA2007101780392 A CN A2007101780392A CN 200710178039 A CN200710178039 A CN 200710178039A CN 101442831 A CN101442831 A CN 101442831A
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- mobile device
- switching circuit
- battery
- electricity
- management unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a mobile device which comprises a battery and a power source management unit. The mobile device also comprises: a connection port, a connection wire for connecting the mobile device to other devices through the connection port, and a switch circuit. When the connection wire is connected with the connection port, the power source management unit or the battery is connected to the connection wire through the connection port and the switch circuit; when the connection wire is not connected with the connection port, the battery is connected to the power source management unit through the switch circuit. The application of the mobile device in the invention can solve the problem of emergency using in the low battery condition of the mobile device; and the invention also achieves the advantages of simple structure, low cost and high power supply efficiency.
Description
Technical field
The present invention relates to a kind of mobile device technical field, particularly relate to a kind of mobile device that can use battery mutually.
Background technology
In recent years, mobile device since its portability and strong functions day by day in people's life, play an increasingly important role, for example mobile communication equipment, MP3 player, palmtop PC even mobile computer etc.These mobile devices have battery and Power Management Unit, and when it was in running order, battery was connected to Power Management Unit, are mobile power supply equipment by battery, so the battery flying power is an important parameter index of mobile device.When the mobile device battery electric quantity was low, mobile device just can't work on, and is necessary for battery charge or changes other battery, can make troubles to live and work like this.For this reason, people have proposed some solutions, for example, and the convenient charging device that relies on external connection battery and charging circuit to form, or be another charging of mobile devices etc. by a mobile device.These solutions all have shortcoming separately, the convenient charging device formed of external connection battery and charging circuit for example, must use more external connection battery in order to reach higher charging voltage, thereby volume carries inconvenience more greatly, and owing to there is the mutual conversion of electric energy and chemical energy in the charging process, energy loss is arranged in the transfer process, cause efficient lower; When being another charging of mobile devices by a mobile device, often voltage difference is little because between two mobile devices, and charging current is little, cause the charging interval long, charge efficiency is low, if on charging circuit, increase supercharging device to increase voltage difference, then can cause more than charging circuit complexity, the power consumption and the high shortcoming of device cost.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of mobile device, this mobile device can allow its battery directly be other mobile power supply equipment.
In order to realize the foregoing invention purpose, the technical solution adopted in the present invention is:
A kind of mobile device, this mobile device comprises battery and Power Management Unit, described mobile device also comprises: connector; Connecting line is connected to miscellaneous equipment by described connector with described mobile device; Switching circuit, when described connecting line is connected to described connector, be connected described Power Management Unit or described battery with described switching circuit to described connecting line by described connector, when described connecting line is not connected with described connector, connect described battery to described Power Management Unit by described switching circuit.
Preferably, described connector comprises into electricity mouthful and goes out electricity mouthful, and described connecting line comprises current enter and current output terminal, describedly advances electricity and mouthful is connected with described current enter, describedly goes out electric mouth and is connected with described current output terminal; When advancing electricity and mouthful being connected with described current enter, described switching circuit connects described Power Management Unit to described current enter when described, and when going out electricity and mouthful being connected with described current output terminal, described switching circuit connects extremely described current output terminal of described battery when described.
Perhaps, describedly advance electricity mouthful and go out electricity and mouthful be same interface with described, described connecting line comprises current enter and current output terminal, and when described current enter was connected with described interface, described interface, described switching circuit and described Power Management Unit were formed input circuit jointly; When described interface was connected with described current output terminal, described interface, described switching circuit and described battery were formed output circuit jointly.
Preferably, the profile of described current enter and described current output terminal there are differences.
Preferably, described switching circuit is a toggle switch.
Described mobile device also comprises: enter fulgurite reason unit, describedly enter fulgurite reason unit and be used to connect described connector to described switching circuit, or connect described switching circuit to described Power Management Unit, be used to realize mobile device is advanced the management of electricity.
Described mobile device also comprises: go out fulgurite reason unit, describedly go out fulgurite reason unit and be used to connect described connector to described switching circuit, or connect described switching circuit to described battery, be used to realize mobile device is gone out the management of electricity.
Mobile device provided by the present invention realizes that with simple circuit element the battery of mobile device is the function of other mobile power supply equipment, has the following advantages:
The first, it is low to solve the interim electric weight of mobile device, and the difficulty that can't use provides mobile device the emergent function of using, and it is convenient to make that mobile device uses.
The second, simple in structure, there is not the process of electric energy and chemical energy conversion in the present invention, directly gives another mobile power supply equipment by a mobile device, so the power supplying efficiency height, the battery little power consumption.
Three, external equipment only needs connecting line, is convenient for carrying, and the change of the inner prior art relatively of mobile device is little, and cost is low.
Description of drawings
Fig. 1 is the structural representation of first embodiment of mobile device among the present invention;
Circuit connection diagram when Fig. 2 is in input state for first embodiment of mobile device among the present invention;
Circuit connection diagram when Fig. 3 is in output state for first embodiment of mobile device among the present invention;
Fig. 4 is the circuit connection diagram of another one mobile power supply equipment for this mobile device in the first embodiment of the invention;
Fig. 5 a connects the schematic diagram of battery and Power Management Unit for switching circuit among first embodiment of mobile device among the present invention;
Fig. 5 b connects the schematic diagram of current output terminal to battery for switching circuit among first embodiment of mobile device among the present invention;
Fig. 5 c connects the schematic diagram of current enter to Power Management Unit for switching circuit among first embodiment of mobile device among the present invention;
Fig. 6 a connects the schematic diagram of battery and Power Management Unit for switching circuit among second embodiment of mobile device among the present invention;
Fig. 6 b connects the schematic diagram of current enter to Power Management Unit for switching circuit among second embodiment of mobile device among the present invention;
Fig. 6 c connects the schematic diagram of current output terminal to battery for switching circuit among second embodiment of mobile device among the present invention.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, an embodiment of mobile device of the present invention comprises the battery 101 and the Power Management Unit 102 of mobile device 1, and the connector on the mobile device 1, described connector comprise into electricity mouthfuls 103 and go out electricity mouthfuls 104, have current enter 105 and current output terminal 106 connecting line 107, switching circuit 108, enter fulgurite reason unit 109 and go out fulgurite reason unit 110, wherein
Connecting line 107, be used for mobile device being connected to miscellaneous equipment by described connector, wherein, advancing electricity mouthfuls 103 is connected with current enter 105, go out electricity mouthfuls 104 and be connected with current output terminal 106, when advancing electricity mouthfuls 103 and be connected with current enter 105, switching circuit 108 connection Power Management Unit 102 are to current enter 105, when going out electricity mouthfuls 104 and be connected with current output terminal 106, switching circuit 108 connection batteries 101 are to current output terminal 106.When connecting line 107 not when advancing electricity mouthfuls 103 or going out electricity mouthfuls 104 to be connected, battery 101 passes through switching circuit 108 to Power Management Unit 102.
As shown in Figure 2, when advancing electricity mouthfuls 103 and be connected with the current enter 105 of connecting line, switching circuit 108 connects Power Management Unit 102 to current enter 105, and cut off the circuit between battery 101 and the Power Management Unit 102, this moment switching circuit 108 with current enter 105, advance electricity mouthfuls 103, Power Management Unit 102 common composition input circuits; Switching circuit 108 also is used for when going out electricity mouthfuls 104 and be connected with the current output terminal 106 of connecting line, as shown in Figure 3, connect battery 101 to current output terminal 106, and cut off the circuit between battery 101 and the Power Management Unit 102, this moment switching circuit 108 with current output terminal 106, go out electricity mouthfuls 104, the battery 101 common output circuits of forming, when the advancing electricity mouthfuls 103 or go out electricity mouthfuls 104 when not being connected with corresponding connecting line current enter 105 or current output terminal 106 of mobile device 1, switching circuit 108 connection batteries 101 are to Power Management Unit 102.
Enter fulgurite reason unit 109; connect to advance electricity mouth 103 to switching circuit 108; or connect switching circuit 108 to Power Management Unit 102; entering fulgurite reason unit 109 in these two kinds of annexations all locates on the input circuit; can not exert an influence to enforcement of the present invention; enter fulgurite reason unit 109 and be used to realize that mobile device advances the fulgurite reason; describedly advance the fulgurite reason and comprise overvoltage protection; or overcurrent protection; or level conversion function or above combination arbitrarily; the realization of these functions can be adopted existing voltage stabilizing circuit in the prior art; current-limiting circuit and level shifting circuit are realized; when two kinds of mobile device voltages approaching; or during integrated these circuit of its Power Management Unit 102, enter fulgurite reason unit 109 and can omit.Thus, providing two mobile devices of power supply circuits to be not limited to of the same race or approaching mobile device mutually, for example can be that the battery between mobile phone and the palmtop PC is used mutually.
Go out fulgurite reason unit 110; connect electricity mouth 104 to switching circuit 108; or connect switching circuit 108 to battery 101; going out fulgurite reason unit 110 in these two kinds of annexations all locates on the output circuit; can not exert an influence to enforcement of the present invention; go out fulgurite reason unit 110 and be used to realize that mobile device goes out the fulgurite reason; describedly go out the fulgurite reason and comprise the external short circuit protection; or electrostatic protection; or level conversion function or above combination arbitrarily; the realization of these functions can be adopted existing current-limiting circuit in the prior art; bonding circuit and level shifting circuit are realized; when two kinds of mobile device voltages approaching; or during integrated these circuit of its Power Management Unit 102, going out fulgurite reason unit 110 can omit.
As shown in Figure 4, when the battery 101 of described mobile device during to another mobile power supply equipment, the electricity mouthfuls 104 of going out of the mobile device of output electric energy links to each other with the current output terminal 106 of connecting line 107, and the current enter 105 of connecting line 107 links to each other with the electricity mouth that advances of the mobile device of input electric energy, has realized that thus described mobile device is to the another one mobile power supply equipment.
Be depicted as the schematic diagram that switching circuit in the present embodiment connects battery and Power Management Unit as Fig. 5 a, when not using connecting line among the figure, the battery 101 of mobile device connects Power Management Unit 102, and mobile device is in the common operating state of battery for self powering.
Be depicted as switching circuit in the present embodiment as Fig. 5 b and connect the schematic diagram of current output terminal 106 to battery 101, when the current output terminal 106 of connecting line when going out the electricity mouth and be connected, wherein going out the electricity mouth does not draw in the drawings, current output terminal 106 turn-offs the switch that connects Power Management Unit 102, this moment, the battery 101 of mobile device was connected to current output terminal 106, and mobile device is in battery 101 and is the output services state of other mobile power supply equipment.
Be depicted as switching circuit in the present embodiment as Fig. 5 c and connect the schematic diagram of current enter 105 to Power Management Unit 102, when the current enter 105 of connecting line when advancing the electricity mouth and be connected, wherein advancing electricity mouth 103 does not draw in the drawings, current enter 105 turn-offs the switch that connects battery 101, this moment, the Power Management Unit 102 of mobile device was connected to current enter 105, and mobile device is in from the input service state of other mobile device battery power taking.
As switching circuit, implementation is not limited only to the mode in the present embodiment, also can be other implementations, for example switching circuit active monitoring current enter or current output terminal and corresponding mobile device advances the electricity mouth or goes out electric mouthful connection status, connect input circuit then respectively, or output circuit, or connect the circuit of battery to Power Management Unit.
Among second embodiment of the present invention, the advancing electricity mouthful and go out an electricity mouthful shared interface of mobile device, when current enter 205 was connected with described interface, described interface, switching circuit and Power Management Unit 202 be the composition input circuits jointly; When described interface is connected with described current output terminal 206, described interface, switching circuit and the battery 201 common output circuits of forming.There are the difference of profile in the current enter of described connecting line and current output terminal, particularly, in the present embodiment, current enter 205 profiles are thicker, along its axial direction thickness unanimity, current output terminal 206 in axial direction has thick root and elongated end, and the two is with after described interface is connected, rely on the appearance difference of its length thickness, be connected to battery or Power Management Unit by described interface and switching circuit respectively.Shown in Fig. 6 a, when current enter 205 all was not connected with the described interface of mobile device with current output terminal 206, battery 201 was connected to Power Management Unit 202, and this moment, mobile device was in the common operating state of battery for self powering.
Shown in Fig. 6 b, when profile when more slightly and in axial direction the current enter 205 of thickness unanimity is connected with described interface, wherein said interface does not draw in the drawings, current enter 205 turn-offs the switch that connects battery 201 and Power Management Unit 202, and be connected to Power Management Unit 202 by entering fulgurite reason unit 209, at this moment, mobile device is in from the input service state of other mobile device battery power taking.
Shown in Fig. 6 c, when the current output terminal 206 with thick root and elongated end is connected with described interface, wherein the thick root of current output terminal 206 turn-offs the switch that connects battery 201 and Power Management Unit 202, and its elongated end is connected to battery 201 by going out fulgurite reason unit 210, at this moment, mobile device is in the output services state for other mobile power supply equipment.
As switching circuit, implementation is not limited only to the mode in the present embodiment, also can be other implementations, for example switching circuit active monitoring current enter or current output terminal and corresponding mobile device advances the electricity mouth or goes out electric mouthful connection status, connect input circuit then respectively, or output circuit, or connect the circuit of battery to Power Management Unit.
As an alternative embodiment of the invention, switching circuit also can be a toggle switch, stirs this switch and can connect battery arrives current enter to current output terminal, Power Management Unit to Power Management Unit, battery circuit respectively.
The above is preferred embodiment of the present invention only, is not to be used for limiting protection scope of the present invention.Those skilled in that art should be able to associate; realize the function of switching circuit in a different manner; the present invention is applied in different types of mobile device; realize into fulgurite reason unit and go out fulgurite reason unit with different circuit, and other is equal to accordingly to change or replace according to technical scheme of the present invention and design thereof and all should belongs to protection scope of the present invention.
Claims (7)
1, a kind of mobile device, this mobile device comprises battery and Power Management Unit, it is characterized in that, described mobile device also comprises:
Connector;
Connecting line is connected to miscellaneous equipment by described connector with described mobile device;
Switching circuit, when described connecting line is connected to described connector, be connected described Power Management Unit or described battery with described switching circuit to described connecting line by described connector, when described connecting line is not connected with described connector, connect described battery to described Power Management Unit by described switching circuit.
2, mobile device according to claim 1, it is characterized in that, described connector comprises into electric mouth and goes out the electricity mouth, described connecting line comprises current enter and current output terminal, wherein, describedly advance electricity and mouthful be connected with described current enter, describedly go out electricity and mouthful be connected with described current output terminal, when described when advancing electricity and mouthful being connected with described current enter, described switching circuit connects described Power Management Unit to described current enter, when going out electricity and mouthful being connected with described current output terminal, described switching circuit connects extremely described current output terminal of described battery when described.
3, mobile device according to claim 2, it is characterized in that, describedly advance electricity mouthful and go out electricity and mouthful be same interface with described, described connecting line comprises current enter and current output terminal, when described current enter was connected with described interface, described interface, described switching circuit and described Power Management Unit were formed input circuit jointly; When described interface was connected with described current output terminal, described interface, described switching circuit and described battery were formed output circuit jointly.
4, mobile device according to claim 3 is characterized in that, the profile of described current enter and described current output terminal there are differences.
5, mobile device according to claim 1 is characterized in that, described switching circuit is a toggle switch.
6, mobile device according to claim 1 and 2, it is characterized in that, described mobile device also comprises: enter fulgurite reason unit, describedly enter fulgurite reason unit and be used to connect described connector to described switching circuit, or connect described switching circuit to described Power Management Unit, be used to realize mobile device is advanced the management of electricity.
7, mobile device according to claim 1 and 2, it is characterized in that, described mobile device also comprises: go out fulgurite reason unit, describedly go out fulgurite reason unit and be used to connect described connector to described switching circuit, or connect described switching circuit to described battery, be used to realize mobile device is gone out the management of electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101780392A CN101442831B (en) | 2007-11-23 | 2007-11-23 | Mobile equipment capable of using battery mutually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101780392A CN101442831B (en) | 2007-11-23 | 2007-11-23 | Mobile equipment capable of using battery mutually |
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| Publication Number | Publication Date |
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| CN101442831A true CN101442831A (en) | 2009-05-27 |
| CN101442831B CN101442831B (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101780392A Active CN101442831B (en) | 2007-11-23 | 2007-11-23 | Mobile equipment capable of using battery mutually |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011032355A1 (en) * | 2009-09-21 | 2011-03-24 | 联想(北京)有限公司 | Charging method and power supplying method for terminal and terminal |
| US8477902B2 (en) | 2009-09-25 | 2013-07-02 | Tsinghua University | Radiation inspection apparatus and inspection method for object security inspection |
| US11296538B2 (en) | 2014-03-07 | 2022-04-05 | Lenovo (Singapore) Pte. Ltd. | Energy transfer mechanism with predefined limit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW460083U (en) * | 1999-07-19 | 2001-10-11 | Mobiletech Inc | Power conversion device |
| US6876103B2 (en) * | 2000-12-29 | 2005-04-05 | General Electric Company | Automatic transfer switch systems and controllers |
| KR100404095B1 (en) * | 2001-04-06 | 2003-11-03 | 엘지전자 주식회사 | Power supply apparatus and method for portable terminal equipment |
| US6445159B1 (en) * | 2001-09-24 | 2002-09-03 | Motorola, Inc. | Power sharing method and circuit for simultaneously charging multiple loads |
| US6653813B2 (en) * | 2002-03-21 | 2003-11-25 | Thomson Licensing, S.A. | Apparatus and method for the power management of operatively connected modular devices |
| CN1235161C (en) * | 2002-09-20 | 2006-01-04 | 联想(北京)有限公司 | Notobook computer capable of recharging portable electronic equipment |
| CN100352126C (en) * | 2004-04-01 | 2007-11-28 | 台达电子工业股份有限公司 | Emergency power surply system using shared battery and input current balance method |
| CN2914449Y (en) * | 2006-06-02 | 2007-06-20 | 忻元江 | Portable USB charger |
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2007
- 2007-11-23 CN CN2007101780392A patent/CN101442831B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011032355A1 (en) * | 2009-09-21 | 2011-03-24 | 联想(北京)有限公司 | Charging method and power supplying method for terminal and terminal |
| US8477902B2 (en) | 2009-09-25 | 2013-07-02 | Tsinghua University | Radiation inspection apparatus and inspection method for object security inspection |
| US11296538B2 (en) | 2014-03-07 | 2022-04-05 | Lenovo (Singapore) Pte. Ltd. | Energy transfer mechanism with predefined limit |
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| Publication number | Publication date |
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| CN101442831B (en) | 2011-06-22 |
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