CN109713383A - Combined battery - Google Patents
Combined battery Download PDFInfo
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- CN109713383A CN109713383A CN201811612867.7A CN201811612867A CN109713383A CN 109713383 A CN109713383 A CN 109713383A CN 201811612867 A CN201811612867 A CN 201811612867A CN 109713383 A CN109713383 A CN 109713383A
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- Prior art keywords
- battery core
- switch
- port
- battery
- controller
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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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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application provides a kind of combined battery, 4m battery core, m-1 4P4T switch and controller, which is used to control opening and turning off for the m-1 4P4T switch, which is the integer more than or equal to 2；Wherein, 4m battery core is divided into m group, and m-1 4P4T switch is connected in series between m group battery core, and the port P in 4P4T switch connects T-port entirely.Technical solution provided by the present application has the advantages that high reliablity.
Description
Technical field
This application involves new energy fields, and in particular to a kind of combined battery structure and control method.
Background technique
In the prior art, ter-polymers lithium battery refer to positive electrode using nickle cobalt lithium manganate (Li (NiCoMn) O2) or
The lithium battery of the tertiary cathode material of person's nickel cobalt lithium aluminate.
Existing ternary battery can not carry out the exclusion of failure after breaking down, need to carry out the replacement of hardware, influence
Reliability.
Apply for content
The embodiment of the present application provides a kind of combined battery structure, by new structure, improves the reliability of battery.
In a first aspect, the embodiment of the present application provides a kind of combined battery, the combined battery includes: m battery core, m-
1 SP2T switch and controller, the controller are used to control opening and turning off for m-1 SPnT switch, the m for greater than
Integer equal to 2；
Wherein, m-1 SP2T switch is connected in series between m battery core.
Optionally, the port P is total port in the SP2T switch, and T-port is selection port.
Optionally, m-1 SP2T switch is connected in series between the m battery core to specifically include:
The port P of i-th of SP2T switch connects the cathode of the i-th battery core and the 2nd end T of (i-1)-th SP2T switch
Mouthful, the anode of the first T-port connection i+1 battery core of i-th of SP2T switch；The cathode of the i+1 battery core and i-th
The port P of the second T-port connection i+1 SP2T switch of SP2T.Above-mentioned i is the integer more than or equal to 1 and is less than m-1.
Implement the embodiment of the present application, has the following beneficial effects:
As can be seen that structure provided by the present application can select the quantity of battery core in parallel, so that voltage is adjusted,
And in battery core damage, the battery core can be skipped, to improve stability.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of combined battery structure schematic diagram provided by the embodiments of the present application.
Fig. 2 is SPnT structural schematic diagram provided by the embodiments of the present application.
Fig. 3 is that battery core provided by the present application and SP2T switch connection schematic diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Based on this Shen
Please in embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall in the protection scope of this application.
The description and claims of this application and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Refering to fig. 1, Fig. 1 provides a kind of combined battery structure, and the structure is as shown in Figure 1, comprising: 4m battery core, m-1
A 4P4T switch and controller, the controller are used to control opening and turning off for m-1 4P4T switch, the m for greater than
Integer equal to 2；
Wherein, 4m battery core is divided into m group, and m-1 4P4T switch, the P in 4P4T switch are connected in series between m group battery core
Port connects T-port entirely.The above-mentioned port P connects T-port entirely and can specifically include: the above-mentioned port P can connect with 4 T-ports
It connects, specifically connects and can be controlled by controller with that T-port.
Optionally, as shown in Fig. 2, m-1 4P4T switch is connected in series between m group battery core can specifically include:
Battery corei1, battery corei2, battery corei3, battery corei4Cathode be separately connected i-th of 4P4T switch 4 ports P, i-th
4 T-ports of 4P4T switch are separately connected battery corei+1 1, battery corei+1 2, battery corei+1 3, battery corei+1 4Anode, battery corei+1 1, electricity
Corei+1 2, battery corei+1 3, battery corei+1 4Cathode connection i+1 4P4T switch.I in above-mentioned footmark i1 indicates i-th group of battery core,
1 indicates first battery core in i-th group of battery core.
The principle of its work can be with are as follows:
Due to having selected 4P4T switch, then any one in 4 battery cores can be used in arbitrary circuit, i.e.,
When any one battery core is out of order, multiplexing remaining 3 battery cores switch in adjustment circuit can be switched by 4P4T, so that improving can
By property.
Optionally, above-mentioned battery core can be ternary lithium battery, which includes: positive plate 10,11 and of negative plate
Diaphragm 12, wherein the diaphragm 12 is arranged between positive plate 10 and negative plate 11, and the positive plate 10 as shown in Figure 2 is a just by α
Pole unit plate 101 is connected in parallel composition, each positive pole unit plate 101 includes: capacitor layer, lithium battery anode layer and anode
Collector, wherein the capacitor layer, lithium battery anode layer are covered each by the back and sunny side in plus plate current-collecting body.Above-mentioned α is big
In the integer for being equal to 2.
Since positive plate is divided into the positive pole unit plate of α parallel online, theoretically, any one positive pole unit plate is only
If normal, it is not run middle electrolyte covering generally, can be realized partial function, relative to whole structure,
Its safety that can be improved lithium battery.
Optionally, above-mentioned negative plate includes: conductor and metal oxide.
Optionally, the mass percent (sum 100%) of above-mentioned metal oxide may include:
The service life of the negative plate of lithium battery can be improved in the composition of above-mentioned metal oxide, reduces degree of oxidation.
Optionally, above-mentioned conductor can be mixed conductor, which can be as the main component for rare earth element
ABO3 type meets oxide.
Mass ratio between above-mentioned conductor and metal oxide is 1:10.
The control method of combined battery as shown in Figure 1 is provided refering to 3, Fig. 3, this method is executed by controller, should
Controller is specifically as follows central processing unit or microprocessor, and this method is as shown in figure 3, include the following steps:
Step S301, it is the port P and corresponding serial number that controller, which controls connection relationship of the m-1 port 4P4T in initial phase,
T-port connection；
Step S302, controller periodically detects 4 output voltages U1, U2, U3, U4 between 4 m group battery cores；
Step S303, when controller determination is moment t when U1t < voltage threshold, controller is sequentially adjusted in m-1 4P4T and opens
First port P in the Central Shanxi Plain connects the second T-port, and each 4P4T switch adjusts the first port P connection in m-1 4P4T switch
Second T-port detects a U1 voltage, obtains m-1 U1 voltage, and m-1 U1 voltage and U1t comparison are determined greater than U1t's
The corresponding voltage U1 γ of the γ times adjustment；The serial number β that U1 γ is switched in m-1 4P4T is determined, by the first of the β 4P4T switch
The port P connects the second T-port, and the first port P of remaining 4P4T switch is constant.
Technical solution provided by the present application has determined+1 battery core of β when something goes wrong, has been multiplexed its corresponding second electricity
Core, to improve reliability.
The embodiment of the present application is described in detail above, specific case used herein to the principle of the application and
Embodiment is expounded, the description of the example is only used to help understand the method for the present application and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the application
There is change place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (3)
1. a kind of combined battery, which is characterized in that 4m battery core, m-1 4P4T switch and controller, the controller are used for
Opening and turning off for the m-1 4P4T switch is controlled, which is the integer more than or equal to 2；
Wherein, 4m battery core is divided into m group, and m-1 4P4T switch, the port P in 4P4T switch are connected in series between m group battery core
Full connection T-port.
2. combined battery according to claim 1, which is characterized in that m-1 are connected in series between the m group battery core
4P4T switch specifically includes:
Battery corei1, battery corei2, battery corei3, battery corei4Cathode be separately connected 4 ports P of i-th of 4P4T switch, i-th of 4P4T open
4 T-ports closed are separately connected battery corei+1 1, battery corei+1 2, battery corei+1 3, battery corei+1 4Anode, battery corei+1 1, battery corei+1 2、
Battery corei+1 3, battery corei+1 4Cathode connection i+1 4P4T switch；I in above-mentioned footmark i1 indicates i-th group of battery core, and 1 indicates
First battery core in i-th group of battery core.
3. a kind of control method of combined battery as claimed in claim 1 or 2, which is characterized in that the method includes such as
Lower step:
It is that the port P is connected with the T-port of corresponding serial number that controller, which controls connection relationship of the m-1 port 4P4T in initial phase,；
Controller periodically detects 4 output voltages U1, U2, U3, U4 between 4 m group battery cores；
When controller determination is moment t when U1t < voltage threshold, controller is sequentially adjusted in the first end P in m-1 4P4T switch
Mouth connects the second T-port, and each 4P4T switch adjusts second T-port of the first port P connection in m-1 4P4T switch, examines
A U1 voltage is surveyed, m-1 U1 voltage is obtained, m-1 U1 voltage and U1t comparison are determined into the γ times adjustment pair greater than U1t
The voltage U1 γ answered；The serial number β that U1 γ is switched in m-1 4P4T is determined, by the first port the P connection of the β 4P4T switch the
First port P of two T-ports, remaining 4P4T switch is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612867.7A CN109713383A (en) | 2018-12-27 | 2018-12-27 | Combined battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612867.7A CN109713383A (en) | 2018-12-27 | 2018-12-27 | Combined battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109713383A true CN109713383A (en) | 2019-05-03 |
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ID=66258758
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811612867.7A Pending CN109713383A (en) | 2018-12-27 | 2018-12-27 | Combined battery |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895155A (en) * | 2010-06-11 | 2010-11-24 | 哈尔滨工程大学 | Energy storage device with failure detection and automatic reconstruction function and reconstructing method |
| CN102324771A (en) * | 2011-09-21 | 2012-01-18 | 孙荣勋 | Method and circuit for eliminating voltage difference of working batteries connected in series |
| WO2012115148A1 (en) * | 2011-02-25 | 2012-08-30 | 三洋電機株式会社 | Power supply device, electrical power storage device, battery system, control device, and control program |
| CN103038917A (en) * | 2010-07-29 | 2013-04-10 | 松下电器产业株式会社 | Battery module |
| CN103178563A (en) * | 2011-12-22 | 2013-06-26 | 东莞钜威新能源有限公司 | Cell management module and system |
| US20160187431A1 (en) * | 2014-12-26 | 2016-06-30 | Kabushiki Kaisha Toshiba | Storage battery, storage-battery evaluating device, and storage-battery evaluating method |
| CN108832701A (en) * | 2018-08-30 | 2018-11-16 | 崔鹏程 | A kind of protection circuit for cells |
-
2018
- 2018-12-27 CN CN201811612867.7A patent/CN109713383A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895155A (en) * | 2010-06-11 | 2010-11-24 | 哈尔滨工程大学 | Energy storage device with failure detection and automatic reconstruction function and reconstructing method |
| CN103038917A (en) * | 2010-07-29 | 2013-04-10 | 松下电器产业株式会社 | Battery module |
| WO2012115148A1 (en) * | 2011-02-25 | 2012-08-30 | 三洋電機株式会社 | Power supply device, electrical power storage device, battery system, control device, and control program |
| CN102324771A (en) * | 2011-09-21 | 2012-01-18 | 孙荣勋 | Method and circuit for eliminating voltage difference of working batteries connected in series |
| CN103178563A (en) * | 2011-12-22 | 2013-06-26 | 东莞钜威新能源有限公司 | Cell management module and system |
| US20160187431A1 (en) * | 2014-12-26 | 2016-06-30 | Kabushiki Kaisha Toshiba | Storage battery, storage-battery evaluating device, and storage-battery evaluating method |
| CN108832701A (en) * | 2018-08-30 | 2018-11-16 | 崔鹏程 | A kind of protection circuit for cells |
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Application publication date: 20190503 |