CN205335912U - Battery and mobile terminal - Google Patents
Battery and mobile terminal Download PDFInfo
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- CN205335912U CN205335912U CN201620040163.7U CN201620040163U CN205335912U CN 205335912 U CN205335912 U CN 205335912U CN 201620040163 U CN201620040163 U CN 201620040163U CN 205335912 U CN205335912 U CN 205335912U
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Abstract
The utility model discloses a battery and mobile terminal belongs to the battery field. The battery includes: a cell and the 2nd cell, a cell's positive pole links to each other with the forward transportation output of battery, the negative pole links to each other through the negative output end of first switch with the battery, the negative pole still links to each other through the anodal of second switch and the 2nd cell, the forward transportation output that the 2nd cell's positive pole passes through third switch and battery links to each other, the negative pole links to each other with the negative output end of battery, when the output voltage who has a cell at least is greater than predetermined voltage, first switch and third switch conduction, the second switch ends, otherwise, first switch and third switch end, the second switch is switched on. The problem of because battery power greatly saves under the voltage state below the 3.0V in the correlation technique, and make the lithium cell of silica -based negative pole be widely used on the terminal is solved, the effect that increases the battery power's of silica -based negative pole lithium cell utilization ratio has been reached.
Description
Technical field
It relates to field of batteries, particularly to a kind of battery and mobile terminal。
Background technology
Adopt the battery capacity of the lithium battery of graphite cathode, have practically already been achieved the theoretical value of 372 MAhs/g。In limited battery space, promote battery capacity be increasingly difficult to。And adopt the lithium battery of silicon-based anode, it is possible to reach the theoretical value of 4200 MAhs/g。
The such as mobile terminal of smart mobile phone, panel computer, E-book reader etc, it is necessary to use cell voltage to reach the lithium battery of more than 3.0V。But adopt the lithium battery of silicon-based anode, have the substantial portion of energy content of battery to be stored under the voltage status of below 3.0V, cause that the lithium battery of current silicon-based anode cannot be widely used on mobile terminals。
Utility model content
In order to solve the problem that the energy content of battery utilization rate of silicon-based anode lithium battery is not high, the disclosure provides a kind of battery and mobile terminal。Described technical scheme is as follows:
First aspect according to disclosure embodiment, it is provided that a kind of battery, this battery includes:
First battery unit and the second battery unit；
The negative pole of the first battery unit is connected with the negative output terminal of battery by the first switch, and the positive pole of the first battery unit is connected with the positive output end of battery；
The negative pole of the first battery unit is connected also by the positive pole of second switch and the second battery unit；
The positive pole of the second battery unit is connected with the positive output end of battery by the 3rd switch, and the negative pole of the second battery unit is connected with the negative output terminal of battery；
Wherein, conducting when first switch and the 3rd switch are used for the output voltage that at least there is a battery unit in the first battery unit and the second battery unit more than predetermined voltage, ends when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage；Cut-off when second switch is used for the output voltage that at least there is a battery unit in the first battery unit and the second battery unit more than predetermined voltage, turns on when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage。
Optionally, this battery also includes:
First voltage collection circuit, the second voltage collection circuit and power management IC；
First voltage collection circuit is connected with the positive pole of the first battery unit and negative pole respectively；
Second voltage collection circuit is connected with the positive pole of the second battery unit and negative pole respectively；
The first input end of power management IC and the first voltage collection circuit are connected；Second input of power management IC and the second voltage collection circuit are connected；
The control end of the first outfan of power management IC and the first switch is connected, and the second outfan of power management IC is connected with the control end of second switch, and the control end of the 3rd outfan of power management IC and the 3rd switch is connected。
Optionally, the first voltage collection circuit, it is configured to gather the output voltage of the first battery unit；
Second voltage collection circuit, is configured to gather the output voltage of the second battery unit；
Whether power management IC, be configured to the output voltage of detection the first battery unit and the second battery unit more than predetermined voltage；
Power management IC, when being configured as the output voltage that at least there is a battery unit in the first battery unit and the second battery unit more than predetermined voltage, exports turn-on command by the first outfan and the 3rd outfan, exports cutoff command by the second outfan；
Power management IC, when being configured as the output voltage of the first battery unit and the second battery unit no more than predetermined voltage, exports turn-on command by the second outfan, exports cutoff command by the first outfan and the 3rd outfan。
Optionally, the first battery unit and the second battery unit be combined as two groups or more than two。
Optionally, the first battery unit and the second battery unit are the lithium batteries adopting silicon-based anode。
Optionally, the first switch is any one in audion, field effect transistor, numerical control switch；
Second switch is any one in audion, field effect transistor, numerical control switch；
3rd switch is any one in audion, field effect transistor, numerical control switch。
Second aspect according to disclosure embodiment, it is provided that a kind of terminal, this terminal includes the battery that above-mentioned first aspect provides。
The third aspect according to disclosure embodiment, it is provided that a kind of battery control method, the method is applied in the battery that above-mentioned first aspect provides, and the method includes:
Gather the first battery unit and the output voltage of the second battery unit；
Whether detect the output voltage of the first battery unit and the second battery unit more than predetermined voltage；
When the first battery unit and the second battery unit at least existing the output voltage of a battery unit more than predetermined voltage, control the first switch and the 3rd switch is in the conduction state, control second switch and be in cut-off state；
When the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage, control second switch in the conduction state, control the first switch and the 3rd switch is in cut-off state。
The technical scheme that this utility model embodiment provides has the benefit that
By using the first battery unit and the second battery unit, the positive pole of the first battery unit is connected with the positive output end of battery, negative pole is connected with the negative output terminal of battery by the first switch, negative pole is connected also by the positive pole of second switch and the second battery unit, the positive pole of the second battery unit is connected with the positive output end of battery by the 3rd switch, and negative pole is connected with the negative output terminal of described battery；When the first battery unit and the second battery unit at least existing the output voltage of a battery unit more than predetermined voltage, first switch and the 3rd switch conduction, second switch ends, when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage, first switch and the 3rd switch cut-off, second switch turns on；Solve owing to the substantial portion of energy content of battery is stored under the voltage status of below 3.0V in correlation technique, and make silicon-based anode lithium battery cannot in terminal widely used problem；Reach when the lithium battery of silicon-based anode is less than predetermined voltage, by the lithium battery series-fed of multiple silicon-based anodes, increased the use duration of silicon-based anode lithium battery, increase the effect of the utilization rate of the energy content of battery to silicon-based anode lithium battery。
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the structural representation of a kind of battery according to an exemplary embodiment；
Figure 1A is the structural representation of a kind of battery according to another exemplary embodiment；
Fig. 2 is the structural representation of a kind of battery according to another exemplary embodiment；
Fig. 3 is the equivalent circuit diagram of a kind of battery according to another exemplary embodiment；
Fig. 4 is the equivalent circuit diagram of a kind of battery according to another exemplary embodiment。
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail。
Fig. 1 is the structural representation of a kind of battery according to an exemplary embodiment, and this battery can be the battery used in the electronic equipments such as mobile phone, panel computer, notebook computer。As it is shown in figure 1, this battery 101 includes:
First battery unit 102 and the second battery unit 103；
Optionally, the first battery unit and the second battery unit are the lithium batteries adopting silicon-based anode。
The negative pole 108 of the first battery unit 102 is connected with the negative output terminal 112 of battery 101 by the first switch 104, and the positive pole 107 of the first battery unit 102 is connected with the positive output end 111 of battery 101；
The negative pole 108 of the first battery unit 102 is connected also by the positive pole 109 of second switch 105 with the second battery unit 103；
The positive pole 109 of the second battery unit 103 is connected with the positive output end 111 of battery 101 by the 3rd switch 106, and the negative pole 110 of the second battery unit 103 is connected with the negative output terminal 112 of battery；
Wherein, conducting when first switch 104 and the 3rd switch 106 are used for the output voltage that at least there is a battery unit in the first battery unit 102 and the second battery unit 103 more than predetermined voltage, ends when the output voltage of the first battery unit 102 and the second battery unit 103 is no more than predetermined voltage；Cut-off when second switch 105 is used for the output voltage that there is at least one battery unit in the first battery unit 102 and the second battery unit 103 more than predetermined voltage, turns on when the output voltage of the first battery unit 102 and the second battery unit 103 is no more than predetermined voltage。
In sum, the battery that the present embodiment provides, including the first battery unit and the second battery unit, the positive pole of the first battery unit is connected with the positive output end of battery, negative pole is connected with the negative output terminal of battery by the first switch, negative pole is connected also by the positive pole of second switch and the second battery unit, and the positive pole of the second battery unit is connected with the positive output end of battery by the 3rd switch, and negative pole is connected with the negative output terminal of described battery；When the first battery unit and the second battery unit at least existing the output voltage of a battery unit more than predetermined voltage, first switch and the 3rd switch conduction, second switch ends, when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage, first switch and the 3rd switch cut-off, second switch turns on；Solve owing to the substantial portion of energy content of battery is stored under the voltage status of below 3.0V in correlation technique, and make silicon-based anode lithium battery cannot in terminal widely used problem；Reach when the lithium battery of silicon-based anode is less than predetermined voltage, by the lithium battery series-fed of multiple silicon-based anodes, increased the use duration of silicon-based anode lithium battery, increase the effect of the utilization rate of the energy content of battery to silicon-based anode lithium battery。
Optionally, based in other alternative embodiments of above-described embodiment, the first battery unit and the second battery unit be combined as two groups or more than two。
Optionally, combine with the compound mode of the first battery unit and the second battery unit for a battery unit, the positive pole of each battery unit combination is connected with the positive output end of battery, and negative pole is connected with the negative output terminal of battery, and namely different stacks of cells is closed and is connected in parallel。
As Figure 1A illustrates the structural representation of the combination that there is two group of first battery unit and the second battery unit。The number of the present embodiment battery unit combination to comprising in battery 101 is not construed as limiting, and when battery unit combination exists more than two, structure is similar to Figure 1A, and this is repeated no more by the present embodiment。
In sum, the battery that the present embodiment provides, including the first battery unit and the second battery unit, the positive pole of the first battery unit is connected with the positive output end of battery, negative pole is connected with the negative output terminal of battery by the first switch, negative pole is connected also by the positive pole of second switch and the second battery unit, and the positive pole of the second battery unit is connected with the positive output end of battery by the 3rd switch, and negative pole is connected with the negative output terminal of described battery；When the first battery unit and the second battery unit at least existing the output voltage of a battery unit more than predetermined voltage, first switch and the 3rd switch conduction, second switch ends, when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage, first switch and the 3rd switch cut-off, second switch turns on；Solve owing to the substantial portion of energy content of battery is stored under the voltage status of below 3.0V in correlation technique, and make silicon-based anode lithium battery cannot in terminal widely used problem；Reach when the lithium battery of silicon-based anode is less than predetermined voltage, by the lithium battery series-fed of multiple silicon-based anodes, increased the use duration of silicon-based anode lithium battery, increase the effect of the utilization rate of the energy content of battery to silicon-based anode lithium battery。
Optionally, based in other alternative embodiments of above-described embodiment, as in figure 2 it is shown, battery 101 also includes: first voltage collection circuit the 113, second voltage collection circuit 114 and power management IC (Integratedcircuit, integrated circuit) 115。
First voltage collection circuit 113 is connected with the positive pole of the first battery unit 102 and negative pole respectively。
Optionally, the first voltage collection circuit 113 is configured to gather the output voltage of the first battery unit 102。
Second voltage collection circuit 114 is connected with the positive pole of the second battery unit 103 and negative pole respectively。
Optionally, the second voltage collection circuit 114 is configured to gather the output voltage of the second battery unit 103。
Optionally, power management IC 115 includes at least two input。
First input end 115a and first voltage collection circuit 113 of power management IC 115 are connected；Second input 115b and second voltage collection circuit 114 of power management IC 115 are connected。
Optionally, power management IC 115, it is configured to detection the first battery unit of collecting of the first voltage collection circuit 113, and whether the output voltage of the second battery unit that the second voltage collection circuit 114 collects is more than predetermined voltage。
Optionally, predetermined voltage is the minima of battery 101 output voltage, the minimum voltage that namely battery 101 is outwards powered, and the value of predetermined voltage is not construed as limiting by the present embodiment。
Optionally, predetermined voltage is 3.0V。
Optionally, power management IC 115 includes at least three outfan。
The control end (not shown in Fig. 2) of the first outfan 116a and the first switch 104 of power management IC 115 is connected, second outfan 116b of power management IC 115 and the control end of second switch 105 (not shown in Fig. 2) are connected, and the control end (not shown in Fig. 2) of the 3rd outfan 116c and the three switch 106 of power management IC 115 is connected。
Optionally, the first switch 104 is any one in audion, field effect transistor, numerical control switch。
Optionally, second switch 105 is any one in audion, field effect transistor, numerical control switch。
Optionally, the 3rd switch 106 is any one in audion, field effect transistor, numerical control switch。
It should be noted that the first switch 104 in battery 101, second switch 105 and the 3rd switch 106 can be different components and parts。
Optionally, when switch is audion, the control end of switch is the base stage of audion；When switch is field effect transistor, the control end of switch is the grid of field effect transistor。
Power management IC 115, when being configured as the output voltage that at least there is a battery unit in the first battery unit 102 and the second battery unit 103 more than predetermined voltage, export turn-on command by the first outfan 116a and the three outfan 116c, export cutoff command by the second outfan 116b。
Optionally, turn-on command is high level voltage, makes the first switch 104 and the 3rd switch 106 conducting, and cutoff command is low level voltage, and the magnitude of voltage of low and high level is not construed as limiting by the present embodiment。
When the first switch 104 and the 3rd switch 106 conducting, when second switch 105 ends, the equivalent circuit diagram of battery 101 is as it is shown on figure 3, first voltage collection circuit the 113, second voltage collection circuit 114 and power management IC 115 are not shown in FIG. 3。
First battery unit 102 is all connected with the positive output end 111 of battery 101 with the positive pole of the second battery unit 103, first battery unit 102 is all connected with the negative output terminal 112 of battery 101 with the negative pole of the second battery unit 103, the first battery unit 102 and the second battery unit 103 parallel operation。
Then the output voltage of battery 101 and the output voltage of the first battery unit 102 and the second battery unit 103 are equal in magnitude。
Power management IC 115, it is additionally configured to when the output voltage of the first battery unit 102 and the second battery unit 103 is no more than predetermined voltage, export turn-on command by the second outfan 116b, export cutoff command by the first outfan 116a and the three outfan 116c。
When the first switch 104 and the 3rd switch 106 cut-off, when second switch 105 turns on, as shown in Figure 4, first voltage collection circuit the 113, second voltage collection circuit 114 and power management IC 115 are not shown in FIG. 4 for the equivalent circuit diagram of battery 101。
The positive pole 107 of the first battery unit 102 is connected with the positive output end 111 of battery 101, negative pole 108 is connected with the positive pole 109 of the second battery unit 103, the negative pole 110 of the second battery unit 103 is connected with the negative output terminal 112 of battery 101, the first battery unit 102 and the second battery unit 103 series-fed。
Then the output voltage of battery 101 is the output voltage sum of the output voltage of the first battery unit 102 and the second battery unit 103, more than predetermined voltage。
Power management IC 115, it is additionally configured to when the first battery unit 102 and the second battery unit 103 existing the output voltage of at least one battery unit less than voltage threshold, exports cutoff command by the first outfan 116a, the second outfan 116b and the three outfan 116c。
Optionally, voltage threshold is the minimum discharge voltage of the first battery unit or the second battery unit, and the value of voltage threshold is not construed as limiting by the present embodiment。
When the output voltage of the first battery unit that power management IC 115 detects or the second battery unit is less than voltage threshold, the first switch 104 in battery 101, second switch 105 and the 3rd switch 106 are in cut-off state, and battery 101 stops outside output voltage。
In sum, the battery that the present embodiment provides, including the first battery unit and the second battery unit, the positive pole of the first battery unit is connected with the positive output end of battery, negative pole is connected with the negative output terminal of battery by the first switch, negative pole is connected also by the positive pole of second switch and the second battery unit, and the positive pole of the second battery unit is connected with the positive output end of battery by the 3rd switch, and negative pole is connected with the negative output terminal of described battery；When the first battery unit and the second battery unit at least existing the output voltage of a battery unit more than predetermined voltage, first switch and the 3rd switch conduction, second switch ends, when the output voltage of the first battery unit and the second battery unit is no more than predetermined voltage, first switch and the 3rd switch cut-off, second switch turns on；Solve owing to the substantial portion of energy content of battery is stored under the voltage status of below 3.0V in correlation technique, and make silicon-based anode lithium battery cannot in terminal widely used problem；Reach when the lithium battery of silicon-based anode is less than predetermined voltage, by the lithium battery series-fed of multiple silicon-based anodes, increased the use duration of silicon-based anode lithium battery, increase the effect of the utilization rate of the energy content of battery to silicon-based anode lithium battery。
Above-mentioned this utility model embodiment sequence number, just to describing, does not represent the quality of embodiment。
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can be completed by hardware, can also be completed by the hardware that program carrys out instruction relevant, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read only memory, disk or CD etc.。
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。
Claims (7)
1. a battery, it is characterised in that described battery includes:
First battery unit and the second battery unit；
The negative pole of described first battery unit is connected with the negative output terminal of described battery by the first switch, and the positive pole of described first battery unit is connected with the positive output end of described battery；
The negative pole of described first battery unit is connected also by the positive pole of second switch with described second battery unit；
The positive pole of described second battery unit is connected with the positive output end of described battery by the 3rd switch, and the negative pole of described second battery unit is connected with the negative output terminal of described battery；
Wherein, conducting when described first switch and described 3rd switch are used for the output voltage that at least there is a battery unit in described first battery unit and described second battery unit more than predetermined voltage, ends when the output voltage of described first battery unit and described second battery unit is no more than described predetermined voltage；Cut-off when described second switch is used for the output voltage that at least there is a battery unit in described first battery unit and described second battery unit more than described predetermined voltage, turns on when the output voltage of described first battery unit and described second battery unit is no more than described predetermined voltage。
2. battery according to claim 1, it is characterised in that described battery, also includes: the first voltage collection circuit, the second voltage collection circuit and power management integrated circuit IC；
Described first voltage collection circuit is connected with the positive pole of described first battery unit and negative pole respectively；
Described second voltage collection circuit is connected with the positive pole of described second battery unit and negative pole respectively；
The first input end of described power management IC is connected with described first voltage collection circuit, and the second input of described power management IC is connected with described second voltage collection circuit；
First outfan of described power management IC is connected with the control end of described first switch, and the second outfan of described power management IC is connected with the control end of described second switch, and the 3rd outfan of described power management IC is connected with the control end of described 3rd switch。
3. battery according to claim 2, it is characterised in that
Described first voltage collection circuit, is configured to gather the output voltage of described first battery unit；
Described second voltage collection circuit, is configured to gather the output voltage of described second battery unit；
Whether described power management IC, be configured to the output voltage detecting described first battery unit and described second battery unit more than described predetermined voltage；
Described power management IC, when being configured as the output voltage that at least there is a battery unit in described first battery unit and described second battery unit more than described predetermined voltage, by described first outfan and described 3rd outfan output turn-on command, by described second outfan output cutoff command；
Described power management IC, when being configured as the output voltage of described first battery unit and described second battery unit no more than described predetermined voltage, by described second outfan output turn-on command, by described first outfan and described 3rd outfan output cutoff command。
4. according to the arbitrary described battery of claims 1 to 3, it is characterised in that described first battery unit and described second battery unit be combined as two groups or more than two。
5. according to the arbitrary described battery of claims 1 to 3, it is characterised in that described first battery unit and described second battery unit are the lithium batteries adopting silicon-based anode。
6. according to the arbitrary described battery of claims 1 to 3, it is characterised in that
Described first switch is any one in audion, field effect transistor, numerical control switch；
Described second switch is any one in audion, field effect transistor, numerical control switch；
Described 3rd switch is any one in audion, field effect transistor, numerical control switch。
7. a mobile terminal, it is characterised in that described mobile terminal include as arbitrary in claim 1 to 6 as described in battery。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040163.7U CN205335912U (en) | 2016-01-15 | 2016-01-15 | Battery and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040163.7U CN205335912U (en) | 2016-01-15 | 2016-01-15 | Battery and mobile terminal |
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| CN205335912U true CN205335912U (en) | 2016-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964184A (en) * | 2018-07-20 | 2018-12-07 | 中新国际电子有限公司 | A kind of battery pack, laptop charging system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964184A (en) * | 2018-07-20 | 2018-12-07 | 中新国际电子有限公司 | A kind of battery pack, laptop charging system and method |
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