CN105470596A - Method for reducing power consumption of lithium battery protection board - Google Patents
Method for reducing power consumption of lithium battery protection board Download PDFInfo
- Publication number
- CN105470596A CN105470596A CN201610040582.5A CN201610040582A CN105470596A CN 105470596 A CN105470596 A CN 105470596A CN 201610040582 A CN201610040582 A CN 201610040582A CN 105470596 A CN105470596 A CN 105470596A
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- CN
- China
- Prior art keywords
- lithium battery
- protection board
- power consumption
- time interval
- voltage
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of lithium batteries, in particular to a method for reducing power consumption of a lithium battery protection board. The method comprises the following steps: (1) obtaining working voltages of various lithium batteries in real time and calculating a working voltage mean value V<0> of the lithium batteries, and the highest voltage V<Hi> and the lowest voltage V<Li> within T<i>; (2) carrying out following judgment on the (i+1)th T<i+1> and the ith T<i>: if V<Hi+1> is greater than the V<Hi>, judging the lithium battery to be over-charged and executing the step (3); if the V<Hi+1> is smaller than the V<Hi>, judging the lithium battery to be over-discharged and executing the step (4); if the V<Hi+1> is greater than or equal to the V<Hi>, judging the lithium battery to be in a normal working range and executing the step (5); (3) reducing the time interval range T<i> and increasing a workload of the protection board; (4) closing a circuit relay of the protection board, and suspending working of the protection board; and (5) starting an equalization circuit of the protection board. According to the method provided by the invention, the power consumption of the protection board is reduced; and the service lifetime of the lithium batteries is prolonged.
Description
Technical field
The present invention relates to technical field of lithium batteries, be specifically related to a kind of reduction lithium battery protection board power consumption method.
Background technology
" lithium battery " is a class is negative material, the battery using non-aqueous electrolytic solution by lithium metal or lithium alloy.Within 1912, lithium metal battery is proposed by GilbertN.Lewis the earliest and studies.During 20 century 70, M.S.Whittingham proposes and the lithium ion battery that begins one's study.Because the chemical characteristic of lithium metal is very active, make the processing of lithium metal, preservation, use, very high to environmental requirement.So lithium battery is not applied for a long time.Along with the development of science and technology, present lithium battery becomes main flow.
Lithium battery have voltage high, store and have extended cycle life, charged maintenance energy is strong, low stain and have the advantages such as larger operating temperature range.Lithium battery is in use connected with lithium battery protection board usually, is realized that lithium battery is only put, do not overcharged, the not function such as overcurrent and output short circuit protection by lithium battery protection board.During use, the contact point between the both positive and negative polarity output of series-connected cell in power brick and adjacent cell is connected with the sampled point on battery protecting plate, relies on baffle immediately to control the break-make of current circuit, prevent battery destroyed when discharge and recharge.But because baffle needs to protect for a long time lithium battery, its power consumption is higher, even can affect the normal work of lithium battery.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of reduction lithium battery protection board power consumption method, effectively can reduce the power consumption of baffle, extend the useful life of lithium battery,
In order to achieve the above object, the technical solution adopted in the present invention is, a kind of reduction lithium battery protection board power consumption method, comprises the following steps:
Step 1: the operating voltage of each lithium battery of Real-time Obtaining, and the operating voltage mean value V calculating each lithium battery
0, at each time interval scope T
i, interior ceiling voltage V
hiwith minimum voltage V
li, the scope of i is the positive integer of 0-N,
Step 2: by the i-th+1 time interval scope T
i+1with i-th time interval scope T
ijudge as follows, if V
hi+1> V
hi, be then judged as this over-charge of lithium battery, perform step 3,
If V
hi+1< V
hi, be then judged as that this lithium battery is crossed and put, perform step 4,
If V
hi≤ V
hi+1≤ V
hi+1, be then judged as that this lithium battery is in normal range of operation, perform step 5,
Step 3: reduce time interval scope T
i, increase baffle live load,
Step 4: close baffle circuit relay, make baffle break-off,
Step 5: starting protection plate equalizing circuit.
Further, described step 1 also comprises: power-up initializing step.
Further, described T
ifor the random time section in 1-5S.
Further, described V
hi=3.8V, described V
li=1.9V.
The present invention is by adopting technique scheme, and compared with prior art, tool has the following advantages: the present invention by the operating voltage of each lithium battery of Real-time Obtaining, and calculates the operating voltage mean value V of each lithium battery
0, at each time interval scope T
i, interior ceiling voltage V
hiwith minimum voltage V
li, the scope of i is the positive integer of 0-N, judges according to the voltage compare within the scope of adjacent time inter, the load condition of dynamic equalization baffle and electric voltage equalization state simultaneously, reduces the power consumption of baffle, improves lithium battery useful life.
Accompanying drawing explanation
Fig. 1 is the flow chart of embodiments of the invention.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
As a specific embodiment, as shown in Figure 1, a kind of reduction lithium battery protection board power consumption method, comprises the following steps:
Step 1: power-up initializing step, the operating voltage of each lithium battery of Real-time Obtaining, and the operating voltage mean value V calculating each lithium battery
0, at each time interval scope T
i, interior ceiling voltage V
hiwith minimum voltage V
li, the scope of i is the positive integer of 0-N,
Step 2: by the i-th+1 time interval scope T
i+1with i-th time interval scope T
ijudge as follows, if V
hi+1> V
hi, be then judged as this over-charge of lithium battery, perform step 3,
If V
hi+1< V
hi, be then judged as that this lithium battery is crossed and put, perform step 4,
If V
hi≤ V
hi+1≤ V
hi+1, be then judged as that this lithium battery is in normal range of operation, perform step 5,
Step 3: reduce time interval scope T
i, increase baffle live load,
Step 4: close baffle circuit relay, make baffle break-off,
Step 5: starting protection plate equalizing circuit.
Described T
ifor the random time section in 1-5S, described V
hi=3.8V, described V
li=1.9V.
The present invention is by adopting technique scheme, and compared with prior art, tool has the following advantages: the present invention by the operating voltage of each lithium battery of Real-time Obtaining, and calculates the operating voltage mean value V of each lithium battery
0, at each time interval scope T
i, interior ceiling voltage V
hiwith minimum voltage V
li, the scope of i is the positive integer of 0-N, judges according to the voltage compare within the scope of adjacent time inter, the load condition of dynamic equalization baffle and electric voltage equalization state simultaneously, reduces the power consumption of baffle, improves lithium battery useful life.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (4)
1. reduce a lithium battery protection board power consumption method, it is characterized in that: comprise the following steps:
Step 1: the operating voltage of each lithium battery of Real-time Obtaining, and the operating voltage mean value V calculating each lithium battery
0, at each time interval scope T
i, interior ceiling voltage V
hiwith minimum voltage V
li, the scope of i is the positive integer of 0-N,
Step 2: by the i-th+1 time interval scope T
i+1with i-th time interval scope T
ijudge as follows, if V
hi+1> V
hi, be then judged as this over-charge of lithium battery, perform step 3,
If V
hi+1< V
hi, be then judged as that this lithium battery is crossed and put, perform step 4,
If V
hi≤ V
hi+1≤ V
hi+1, be then judged as that this lithium battery is in normal range of operation, perform step 5,
Step 5: reduce time interval scope T
i, increase baffle live load,
Step 4: close baffle circuit relay, make baffle break-off,
Step 5: starting protection plate equalizing circuit.
2. one according to claim 1 reduces lithium battery protection board power consumption method, it is characterized in that: described step 1 also comprises: power-up initializing step.
3. one according to claim 1 reduces lithium battery protection board power consumption method, it is characterized in that: described T
ifor the random time section in 1-5S.
4. one according to claim 1 reduces lithium battery protection board power consumption method, it is characterized in that: described V
hi=3.8V, described V
li=1.9V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040582.5A CN105470596A (en) | 2015-06-30 | 2016-01-22 | Method for reducing power consumption of lithium battery protection board |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370506 | 2015-06-30 | ||
| CN2015103705066 | 2015-06-30 | ||
| CN201610040582.5A CN105470596A (en) | 2015-06-30 | 2016-01-22 | Method for reducing power consumption of lithium battery protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105470596A true CN105470596A (en) | 2016-04-06 |
Family
ID=55608073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040582.5A Pending CN105470596A (en) | 2015-06-30 | 2016-01-22 | Method for reducing power consumption of lithium battery protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470596A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6014013A (en) * | 1998-12-16 | 2000-01-11 | Space Systems/Loral, Inc. | Battery charge management architecture |
| CN101040415A (en) * | 2004-10-04 | 2007-09-19 | 索尼化学&信息部件株式会社 | Protection circuit |
| CN201364940Y (en) * | 2008-12-08 | 2009-12-16 | 蔡道华 | Novel multifunctional lithium ion battery pack and protective circuit thereof |
| CN102456914A (en) * | 2010-12-31 | 2012-05-16 | 深圳市海盈科技有限公司 | Lithium ion battery pack system suitable for power electric vehicle |
| CN103872736A (en) * | 2014-03-24 | 2014-06-18 | 华南师范大学 | Protected charging circuit capable of displaying electric quantity |
-
2016
- 2016-01-22 CN CN201610040582.5A patent/CN105470596A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6014013A (en) * | 1998-12-16 | 2000-01-11 | Space Systems/Loral, Inc. | Battery charge management architecture |
| CN101040415A (en) * | 2004-10-04 | 2007-09-19 | 索尼化学&信息部件株式会社 | Protection circuit |
| CN201364940Y (en) * | 2008-12-08 | 2009-12-16 | 蔡道华 | Novel multifunctional lithium ion battery pack and protective circuit thereof |
| CN102456914A (en) * | 2010-12-31 | 2012-05-16 | 深圳市海盈科技有限公司 | Lithium ion battery pack system suitable for power electric vehicle |
| CN103872736A (en) * | 2014-03-24 | 2014-06-18 | 华南师范大学 | Protected charging circuit capable of displaying electric quantity |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |