CN104135051A - Terminal and power supply device thereof - Google Patents
Terminal and power supply device thereof Download PDFInfo
- Publication number
- CN104135051A CN104135051A CN201410371023.3A CN201410371023A CN104135051A CN 104135051 A CN104135051 A CN 104135051A CN 201410371023 A CN201410371023 A CN 201410371023A CN 104135051 A CN104135051 A CN 104135051A
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- CN
- China
- Prior art keywords
- battery
- baffle
- protective circuit
- battery cores
- supply installation
- 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.)
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the field of communication technologies, in particular to a terminal and a power supply device of the terminal. The device comprises a protective board and two or more battery cells. A protective circuit is arranged on the protective board, and the two or more battery cells are connected to the protective circuit of the protective board in parallel. The protective circuit of the protective board is provided with a control module, and the control module controls the two or more battery cells to be charged or discharged at the same time and makes the two or more battery cells not output currents in the charging process and not input currents in the discharging process. The control module controls both/all the battery cells to be charged or discharged at the same time, each battery cell does not output the currents in the charging process and does not input the currents in the discharging process, and therefore the condition of mutual charging between both/all the battery cells is effectively avoided.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of terminal and electric supply installation thereof.
Background technology
In existing pair of battery core battery; as shown in Figure 1; first two battery cores are carried out to parallel connection; after in parallel, in the circuit of unified access baffle, namely lug parallel connection accesses in the circuit of baffle afterwards, and object is to reduce cell integrated impedance by principle of parallel; but because two battery cores are directly in parallel; between two battery cores, there are differences, can mutually charge, cause one of them battery core by large current charge, to be caused the problem of damaging.
Summary of the invention
Not enough for prior art, the object of the present invention is to provide a kind of terminal and electric supply installation thereof, be intended to solve between existing pair of each battery core of battery core battery and can mutually charge, cause one of them battery core by large current charge, to be caused the problem of damaging.
The technical scheme that the present invention proposes is:
A kind of electric supply installation; comprise baffle and at least two battery cores; on described baffle, there is protective circuit; described at least two battery cores are connected in parallel in the protective circuit of baffle; the protective circuit of described baffle is provided with control module; described control module control described at least two battery core charge or discharge simultaneously, and described in making at least two battery cores when charging not output current, when electric discharge input current not.
Further, the protective circuit of described baffle has a plurality of parallel interfaces so that in described at least two battery cores each battery core be connected with described baffle protective circuit after described at least two battery cores in the protective circuit of described baffle, be state in parallel.
Further, described control module comprises a plurality of sub-control modules, described a plurality of sub-control module is controlled each battery core in described at least two battery cores respectively, described in making at least two battery cores each battery core at when charging not output current, input current not during in electric discharge.
Further, in described at least two battery cores, the amount of capacity of each battery core is identical or different.
Further, on described baffle, there is an external interface, for described at least two battery cores, be electrically connected to the external world.
The present invention also provides a kind of electric supply installation; comprise baffle and at least two battery cores; described baffle has protective circuit; the protective circuit of described baffle is provided with selection module, described selection module select described at least two battery cores the protective circuit of a battery core and described baffle conduct.
Further, described selection module is single pole multiple throw.
Further, in described at least two battery cores, the amount of capacity of each battery core is identical or different.
Further, on described baffle, there is an external interface, for described at least two battery cores, be electrically connected to the external world.
The present invention also provides a kind of terminal, comprises above-mentioned a kind of electric supply installation.According to above-mentioned technical scheme, the beneficial effect of a kind of terminal of the present invention and electric supply installation thereof: the first electric supply installation of the present invention, by control module, control the charge or discharge simultaneously of each battery core, and each battery core is at when charging not output current, input current not during in electric discharge, effectively avoided between each battery core the situation of charging mutually.The problem of mutually charging between each battery core in order to solve equally; the second electric supply installation of the present invention adopts selects module; in a plurality of battery cores, select the protective circuit of one of them battery core and baffle to conduct; other battery core in a plurality of battery cores is in off position; battery core electric weight in elected exhausts; can again select in other battery core, so both can keep total electric weight not change, can avoid again the problem of charging mutually between many battery cores.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of two battery core batteries of prior art;
Fig. 2 is the circuit diagram of a kind of electric supply installation of providing of the embodiment of the present invention one;
Fig. 3 is placed on the structural representation in battery compartment after two battery cores combination provided by the invention;
Fig. 4 is the circuit diagram of a kind of electric supply installation of providing of the embodiment of the present invention two.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment mono-
As shown in Figure 2, a kind of electric supply installation that the embodiment of the present invention provides, comprises baffle 11 and at least two battery cores 12.
In the present embodiment, the quantity of battery core 12 is two.
Baffle 11 is a surface-mounted integrated circuit, has the protective circuit that battery core 12 charging and dischargings are shielded, and two battery cores 12 are connected in parallel in the protective circuit of baffle 11.
If two battery cores 12 are connected in parallel on on-line operation in the protective circuit of baffle 11; namely carry out charge or discharge; if there are differences and can mutually charge between each battery core 12; cause one of them battery core by large current charge, to be caused damaging; in order addressing this problem, in the protective circuit of baffle 11, to be provided with and to control the control module 13 that is connected in parallel on two battery cores 12 in protective circuit.
Control module 13 is controlled at 12 charge or discharge simultaneously of two battery cores in protective circuit, and be controlled at two battery cores 12 in protective circuit when charging not output current, when electric discharge input current not.
Control module 13 is controlled two battery cores 12 and when charging, can not be discharged, when electric discharge, can not charge, and avoids two battery cores 12 problem of charging mutually.
When described electric supply installation is not worked, namely do not carry out the exchange of electric current with the external world, control module 13 is controlled two battery cores 12 in off state, namely controls neither input current output current not again of two battery cores 12, prevents discharging and recharging between battery core.
For two battery cores 12 are connected with protective circuit separately; the protective circuit of baffle 11 has a plurality of parallel interfaces 111; in the present embodiment; parallel interface 111 is two; corresponding with the quantity of battery core 12; so that each battery core 12 is connected to separately in the protective circuit of baffle 11; each battery core 12 is after being connected to separately the protective circuit of baffle 11; namely between the lug of two battery cores 12, separate; between each battery core 12, form parallel circuits, namely each battery core 12 is state in parallel in the protective circuit of baffle 11.
Two battery cores 12 just form state in parallel after being connected to separately the protective circuit of baffle 11, facilitate the independent control of control module 13 to each battery core 12.
Control module 13 comprises a plurality of sub-control modules 131, in the present embodiment, sub-control module 131 is two, corresponding with the quantity of battery core 12, two sub-control modules 131 are controlled two battery cores 12 respectively, control each battery core 12 at when charging not output current, input current not during in electric discharge.
Particularly, sub-control module 131 is that two diodes and single-pole double-throw switch (SPDT) form, and wherein, two diodes allow the opposite direction of current direction to arrange on circuit.The present embodiment is selected two diodes by single-pole double-throw switch (SPDT), makes the electric current of battery core 12 can only single flow direction, so that battery core 12 output current not when charging, or, input current not when electric discharge.
In the present embodiment; on baffle 11, there is an external interface 112; external interface 112 is for making two battery cores 12 be electrically connected to the external world; that is to say; battery core 12 is charged or is powered by 112 pairs of external loads of external interface; or battery core 12 allows external power supply charge to it by external interface 112.
The amount of capacity of two battery cores 12 can be identical, can be also different, and the structure of two battery cores 12 can be identical, can be also different.
In the present embodiment; the structure of two battery cores 12 is different, particularly, and according to the space of battery compartment; two different battery cores 12 of contour structures are combined; as shown in Figure 3, battery compartment 100 is bridging shape, and two inconsistent battery cores of size and shape are through after independent production, protection; in structure, be bonded together; and by the work that combines of same baffle, thereby reasonably utilize the space of battery, increase the electric weight capacity of described electric supply installation.
Embodiment bis-
As Fig. 4, the embodiment of the present invention provides a kind of electric supply installation, comprises baffle 11 and at least two battery cores 12.
In the present embodiment, the quantity of battery core 12 is two.
Baffle 11 is a surface-mounted integrated circuit, has the protective circuit that battery core 12 charging and dischargings are shielded.
Baffle 11 is provided with selects module 14, selects module 14 for selecting battery core of two battery cores and the protective circuit of baffle 11 to conduct.
Two battery cores 12 are connected in parallel in the protective circuit of baffle 11, wherein select module 14 to select battery core in two battery cores 12 and the protective circuit of baffle 11 to conduct, and the protective circuit of another battery core and baffle 11 is in off-state.
Selecting module 14 is single pole multiple throw, and in the present embodiment, the quantity of battery core 12 is two, and for this reason, selecting module 14 can be single-pole double-throw switch (SPDT).
The embodiment of the present invention is by selecting module 14 to select a battery core in two battery cores 12 to conduct mutually with the protective circuit of baffle 11; the protective circuit of another battery core and baffle 11 is in off-state; avoided the mutual charging problem between battery core 12; when the electric weight of a battery core 12 exhausts; select module 14 can select another battery core 12 and the protective circuit of baffle 11 to conduct mutually; total electric weight that so both can keep electric weight is the electric weight sum of two battery cores 12, has solved again the mutual charging problem between battery core.
In the present embodiment; on baffle 11, there is an external interface 112; external interface 112 is for making two battery cores 12 be electrically connected to the external world; that is to say; battery core 12 is charged or is powered by 112 pairs of external loads of external interface; or battery core 12 allows external power supply charge to it by external interface 112.
The structure of two battery cores 12 can be identical, can be also different, and the structure of two battery cores 12 can be identical, can be also different.
In the present embodiment; the structure of two battery cores 12 is different, particularly, and according to the space of battery compartment; two different battery cores 12 of contour structures are combined; as shown in Figure 3, battery compartment 100 is bridging shape, and two inconsistent battery cores of size and shape are through after independent production, protection; in structure, be bonded together; and by the work that combines of same baffle, thereby reasonably utilize the space of battery, increase the electric weight capacity of described electric supply installation.
Embodiment tri-
The embodiment of the present invention also provides a kind of terminal, and it comprises a kind of electric supply installation as described in embodiment mono-or embodiment bis-.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an electric supply installation; it is characterized in that; comprise baffle and at least two battery cores; on described baffle, there is protective circuit; described at least two battery cores are connected in parallel in the protective circuit of baffle; the protective circuit of described baffle is provided with control module, described control module control described at least two battery core charge or discharge simultaneously, and described in making at least two battery cores when charging not output current, when electric discharge input current not.
2. a kind of electric supply installation as claimed in claim 1; it is characterized in that; the protective circuit of described baffle has a plurality of parallel interfaces so that in described at least two battery cores each battery core be connected with described baffle protective circuit after described at least two battery cores in the protective circuit of described baffle, be state in parallel.
3. a kind of electric supply installation as claimed in claim 2, it is characterized in that, described control module comprises a plurality of sub-control modules, described a plurality of sub-control module is controlled each battery core in described at least two battery cores respectively, described in making at least two battery cores each battery core when charging not output current, do not input battery during in electric discharge.
4. a kind of electric supply installation as claimed in claim 1, is characterized in that, in described at least two battery cores, the amount of capacity of each battery core is identical or different.
5. a kind of electric supply installation as described in as arbitrary in claim 1-4, is characterized in that on described baffle, having an external interface, for described at least two battery cores, is electrically connected to the external world.
6. an electric supply installation; it is characterized in that; comprise baffle and at least two battery cores; described baffle has protective circuit; described at least two battery cores are parallel in the protective circuit of described baffle; the protective circuit of described baffle is provided with selection module, described selection module select described at least two battery cores the protective circuit of a battery core and described baffle conduct.
7. a kind of electric supply installation as claimed in claim 6, is characterized in that, described selection module is single pole multiple throw.
8. a kind of electric supply installation as claimed in claim 6, is characterized in that, in described at least two battery cores, the amount of capacity of each battery core is identical or different.
9. a kind of electric supply installation as described in as arbitrary in claim 6-8, is characterized in that on described baffle, having an external interface, for described at least two battery cores, is electrically connected to the external world.
10. a terminal, is characterized in that, comprises as claim 1 or a kind of electric supply installation claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371023.3A CN104135051A (en) | 2014-07-30 | 2014-07-30 | Terminal and power supply device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371023.3A CN104135051A (en) | 2014-07-30 | 2014-07-30 | Terminal and power supply device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104135051A true CN104135051A (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410371023.3A Pending CN104135051A (en) | 2014-07-30 | 2014-07-30 | Terminal and power supply device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104135051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321869A (en) * | 2018-01-30 | 2018-07-24 | 西安特锐德智能充电科技有限公司 | A kind of charging equipment of electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199935A (en) * | 1997-05-19 | 1998-11-25 | 富士通株式会社 | Series-connected circuit for secondary batteries |
| WO2001059905A1 (en) * | 2000-02-07 | 2001-08-16 | Fujitsu Limited | Charger and power unit of portable terminal |
| CN103358923A (en) * | 2012-03-26 | 2013-10-23 | 三星Sdi株式会社 | Battery pack and operational approach thereof, and idle stop and startup system comprising same |
| CN103795150A (en) * | 2014-03-07 | 2014-05-14 | 山东圣阳电源股份有限公司 | Hybrid energy storage system and application method thereof |
-
2014
- 2014-07-30 CN CN201410371023.3A patent/CN104135051A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199935A (en) * | 1997-05-19 | 1998-11-25 | 富士通株式会社 | Series-connected circuit for secondary batteries |
| WO2001059905A1 (en) * | 2000-02-07 | 2001-08-16 | Fujitsu Limited | Charger and power unit of portable terminal |
| CN103358923A (en) * | 2012-03-26 | 2013-10-23 | 三星Sdi株式会社 | Battery pack and operational approach thereof, and idle stop and startup system comprising same |
| CN103795150A (en) * | 2014-03-07 | 2014-05-14 | 山东圣阳电源股份有限公司 | Hybrid energy storage system and application method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱斯等: "电动车铅蓄电池快速充电方法的结合研究", 《湖北汽车工业学院学报》, vol. 23, no. 1, 31 March 2009 (2009-03-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321869A (en) * | 2018-01-30 | 2018-07-24 | 西安特锐德智能充电科技有限公司 | A kind of charging equipment of electric automobile |
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Application publication date: 20141105 |
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