CN109216794A - A kind of operation method of base station battery pack - Google Patents
A kind of operation method of base station battery pack Download PDFInfo
- Publication number
- CN109216794A CN109216794A CN201710516602.6A CN201710516602A CN109216794A CN 109216794 A CN109216794 A CN 109216794A CN 201710516602 A CN201710516602 A CN 201710516602A CN 109216794 A CN109216794 A CN 109216794A
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- China
- Prior art keywords
- battery pack
- battery
- temperature
- control module
- threshold value
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Classifications
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- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging 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
Abstract
The present invention provides a kind of operation methods of base station battery pack, since base station operation environment temperature is constant, and the operating current of battery pack lies substantially in stable range, therefore, at runtime with battery pack, average cell temperature is in a stable range for normal base station.The present invention judges the working of battery pack by the detection to the average cell temperature in battery pack, to activate according to working to the battery in battery pack, improves the working life of battery pack.
Description
Technical field
The present invention relates to battery technology fields, more particularly to a kind of operation method of base station battery pack.
Background technique
With the fast development of lithium ion battery technology, lithium ion battery also starts to obtain big as power, accumulation power supply
Amount application.As base station battery pack, operating ambient temperature, operating current is stablized, therefore the working life of battery pack is weighing apparatus
Measure one of the important parameter of base station battery group, and with the operation of battery pack, battery can gradually aging, the internal resistance of battery can continue
Increase, therefore, it is necessary to the methods that one kind simply can accurately detect battery pack working condition, so as to accurate judgement base station electricity
The working condition of pond group implements activation program as needed, extends the working life of battery pack.
Summary of the invention
The present invention provides a kind of operation methods of base station battery pack, since base station operation environment temperature is constant, and
The operating current of battery pack lies substantially in stable range, therefore, normal base station with battery pack at runtime, average cell
Temperature is in a stable range.The present invention judges battery pack by the detection to the average cell temperature in battery pack
Working improve the work of battery pack to activate according to working to the battery in battery pack
Service life.
Specific scheme is as follows:
A kind of operation method of base station battery pack, wherein the battery pack includes multiple lithium ion batteries, control module,
Detection module and calculating and comparing module, the temperature of the detection module detection lithium ion battery, calculating and comparing module calculate temperature
Degree average value is simultaneously compared with threshold value, the information of comparison result is sent to control module, the control module is according to receipts
The electric current and voltage of the information control lithium ion battery arrived, the described method comprises the following steps:
1), control module by each lithium ion battery in battery pack with scheduled current charge and discharge cycles several times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting carries out activation journey to battery pack
Sequence.
Further, the scheduled current is 0.1-1C.
Further, charge and discharge cycles 3-10 times in the step 1.
Further, the threshold value is 45-55 DEG C.
Further, the scheduled current is 0.5C.
Further, charge and discharge cycles 5 times in the step 1.
Further, the threshold value is 50 DEG C.
Further, the activation program the following steps are included:
1), the temperature of each single battery is compared with temperature averages；
2), the battery using temperature higher than average value 120% is as battery to be activated, by battery discharge to be activated to overdischarge
Blanking voltage, the overdischarge blanking voltage=third blanking voltage-k* (single battery temperature/temperature averages -1), the k
For temperature adjustment coefficient, k 0.1-0.8；
3) it, will be discharged to the battery of overdischarge blanking voltage, positive and negative ALT pulse electricity is carried out near the blanking voltage
Stream circulation 3-20 times, pulse current 0.1-0.2C, pulse operating time 10-60s, is spaced 0-20s.
The invention has the following beneficial effects:
1, the charging modes for high current are changed stepwise through too little current in early period, make the charging capacity phase of single battery as far as possible
Together；
2, using heavy-current discharge, to amplify the heat that battery is generated since internal resistance is different, to amplify monomer electricity
Temperature difference between pond is more advantageous to and filters out battery to be activated；
3, according to the different situations of battery to be activated, program is electrically activated using different over-discharges, it is high to the big temperature of internal resistance
Battery electrically activates program using the over-discharge of larger intensity, so that the battery consistency after chemical conversion is high；
4, it is activated under over-discharge current potential using pulse current, reduces the internal resistance of cell, restore battery capacity.
Specific embodiment
The present invention will be described in more detail below by specific embodiment, but protection scope of the present invention not by
It is limited to these embodiments.
Embodiment 1
Base station battery pack, wherein the battery pack includes 50 lithium ion batteries, control module, detection module and meter
Comparison module, the temperature of the detection module detection lithium ion battery are calculated, calculating and comparing module calculates temperature averages and and threshold
Value is compared, and the information of comparison result is sent to control module, the control module controls lithium according to the information received
The electric current and voltage of ion battery, operation method the following steps are included:
1), control module is by each lithium ion battery in battery pack with 0.1C charge and discharge cycles 10 times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module, the threshold value is 45 DEG C；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting step 4 carries out battery pack
Activate program；
4), the temperature of each single battery is compared with temperature averages；
5), the battery that temperature is higher than average value 120% is discharged to overdischarge blanking voltage as battery to be activated:
Overdischarge blanking voltage=2.7-0.1* (single battery temperature/temperature averages -1)；
6), battery to be activated is carried out near voltage where it positive and negative ALT pulse current cycle 3 times, the positive pulse
Electric current is mutually all 0.1C with the size of negative pulse current, and pulse operating time is mutually all 10s, is spaced 0s.
Embodiment 2
Base station battery pack, wherein the battery pack includes 50 lithium ion batteries, control module, detection module and meter
Comparison module, the temperature of the detection module detection lithium ion battery are calculated, calculating and comparing module calculates temperature averages and and threshold
Value is compared, and the information of comparison result is sent to control module, the control module controls lithium according to the information received
The electric current and voltage of ion battery, operation method the following steps are included:
1), control module is by each lithium ion battery in battery pack with 1C charge and discharge cycles 10 times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module, the threshold value is 55 DEG C；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting step 4 carries out battery pack
Activate program；
4), the temperature of each single battery is compared with temperature averages；
5), the battery that temperature is higher than average value 120% is discharged to overdischarge blanking voltage as battery to be activated:
Overdischarge blanking voltage=2.8-0.8* (single battery temperature/temperature averages -1)；
6), battery to be activated is carried out near voltage where it positive and negative ALT pulse current cycle 20 times, the positive arteries and veins
It is mutually all 0.2C that electric current, which is rushed, with the size of negative pulse current, and pulse operating time is mutually all 60s, is spaced 20s.
Embodiment 3
Base station battery pack, wherein the battery pack includes 50 lithium ion batteries, control module, detection module and meter
Comparison module, the temperature of the detection module detection lithium ion battery are calculated, calculating and comparing module calculates temperature averages and and threshold
Value is compared, and the information of comparison result is sent to control module, the control module controls lithium according to the information received
The electric current and voltage of ion battery, operation method the following steps are included:
1), control module is by each lithium ion battery in battery pack with 0.5C charge and discharge cycles 3 times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module, the threshold value is 45 DEG C；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting step 4 carries out battery pack
Activate program；
4), the temperature of each single battery is compared with temperature averages；
5), the battery that temperature is higher than average value 120% is discharged to overdischarge blanking voltage as battery to be activated, cuts
Only voltage meets following formula:
Overdischarge blanking voltage=2.7-0.5* (single battery temperature/temperature averages -1)；
6), battery to be activated is carried out near voltage where it positive and negative ALT pulse current cycle 10 times, the positive arteries and veins
It is mutually all 0.2C that electric current, which is rushed, with the size of negative pulse current, and pulse operating time is mutually all 30s, is spaced 10s.
Embodiment 4
Base station battery pack, wherein the battery pack includes 50 lithium ion batteries, control module, detection module and meter
Comparison module, the temperature of the detection module detection lithium ion battery are calculated, calculating and comparing module calculates temperature averages and and threshold
Value is compared, and the information of comparison result is sent to control module, the control module controls lithium according to the information received
The electric current and voltage of ion battery, operation method the following steps are included:
1), control module is by each lithium ion battery in battery pack with 0.5C charge and discharge cycles 5 times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module, the threshold value is 50 DEG C；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting step 4 carries out battery pack
Activate program；
4), the temperature of each single battery is compared with temperature averages；
5), the battery that temperature is higher than average value 120% is discharged to overdischarge blanking voltage as battery to be activated, cuts
Only voltage meets following formula:
Overdischarge blanking voltage=2.75-0.3* (single battery temperature/temperature averages -1)；
6), battery to be activated is carried out near voltage where it positive and negative ALT pulse current cycle 15 times, the positive arteries and veins
It is mutually all 0.15C that electric current, which is rushed, with the size of negative pulse current, and pulse operating time is mutually all 20s, is spaced 10s.
Embodiment 5
Base station battery pack, wherein the battery pack includes 50 lithium ion batteries, control module, detection module and meter
Comparison module, the temperature of the detection module detection lithium ion battery are calculated, calculating and comparing module calculates temperature averages and and threshold
Value is compared, and the information of comparison result is sent to control module, the control module controls lithium according to the information received
The electric current and voltage of ion battery, operation method the following steps are included:
1), control module is by each lithium ion battery in battery pack with 1C charge and discharge cycles 3 times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and and threshold value
It is compared, comparison result is sent to control module, the threshold value is 50 DEG C；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting step 4 carries out battery pack
Activate program；
4), the temperature of each single battery is compared with temperature averages；
5), the battery that temperature is higher than average value 120% is discharged to overdischarge blanking voltage as battery to be activated, cuts
Only voltage meets following formula:
Overdischarge blanking voltage=2.7-0.2* (single battery temperature/temperature averages -1)；
6), battery to be activated is carried out near voltage where it positive and negative ALT pulse current cycle 10 times, the positive arteries and veins
It is mutually all 0.2C that electric current, which is rushed, with the size of negative pulse current, and pulse operating time is mutually all 40s, is spaced 20s.
Test and result
Five groups respectively include 50 single batteries battery pack, the side of embodiment 1-5 is respectively adopted in every charge and discharge cycles 50 times
Method operation is primary, then proceedes to charge and discharge cycles；And comparative example 1, the battery pack including 50 single batteries are persistently filled
Discharge cycles；The charging and discharging currents are 1C；Record the cycle life of battery pack.
Table 1
| Cycle-index | |
| Embodiment 1 | 567 |
| Embodiment 2 | 574 |
| Embodiment 3 | 587 |
| Embodiment 4 | 613 |
| Embodiment 5 | 612 |
| Comparative example 1 | 376 |
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it would be recognized that above-mentioned
Description be not considered as limitation of the present invention.
Claims (7)
1. a kind of operation method of base station battery pack, wherein the battery pack includes multiple lithium ion batteries, control module, inspection
Module and calculating and comparing module, the temperature of the detection module detection lithium ion battery are surveyed, calculating and comparing module calculates temperature
Average value is simultaneously compared with threshold value, and the information of comparison result is sent to control module, and the control module is according to receiving
Information control lithium ion battery electric current and voltage, the described method comprises the following steps:
1), control module by each lithium ion battery in battery pack with scheduled current charge and discharge cycles several times；
2), detection module measures the temperature of each single battery, and calculating and comparing module calculates temperature averages, and carries out with threshold value
Compare, comparison result is sent to control module；
3), when control module, which receives temperature averages, is higher than the information of threshold value, starting carries out activation program to battery pack.
2. the method as described in claim 1, the scheduled current is 0.1-1C.
3. the method as described in claim 1, charge and discharge cycles 3-10 times in the step 1.
4. the method as described in claim 1, the threshold value is 45-55 DEG C.
5. method according to claim 2, the scheduled current is 0.5C.
6. method as claimed in claim 3, charge and discharge cycles 5 times in the step 1.
7. method as claimed in claim 4, the threshold value is 50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516602.6A CN109216794A (en) | 2017-06-29 | 2017-06-29 | A kind of operation method of base station battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710516602.6A CN109216794A (en) | 2017-06-29 | 2017-06-29 | A kind of operation method of base station battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109216794A true CN109216794A (en) | 2019-01-15 |
Family
ID=64960717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710516602.6A Withdrawn CN109216794A (en) | 2017-06-29 | 2017-06-29 | A kind of operation method of base station battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571890A (en) * | 2019-10-12 | 2019-12-13 | 苏州优博达机器人有限公司 | Operation method of standby power supply of 5G base station |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373900A (en) * | 2007-08-22 | 2009-02-25 | 广达电脑股份有限公司 | Battery module and charging/discharging thereof |
| CN102479983A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Charging control method and device for electric vehicle power battery |
| WO2014100937A1 (en) * | 2012-12-24 | 2014-07-03 | Schneider Electric It Corporation | Method for monitoring battery gas pressure and adjusting charging parameters |
| CN106655407A (en) * | 2017-01-19 | 2017-05-10 | 宁德新能源科技有限公司 | Battery charging method and device, electronic equipment, adapter and charger |
-
2017
- 2017-06-29 CN CN201710516602.6A patent/CN109216794A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373900A (en) * | 2007-08-22 | 2009-02-25 | 广达电脑股份有限公司 | Battery module and charging/discharging thereof |
| CN102479983A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Charging control method and device for electric vehicle power battery |
| WO2014100937A1 (en) * | 2012-12-24 | 2014-07-03 | Schneider Electric It Corporation | Method for monitoring battery gas pressure and adjusting charging parameters |
| CN106655407A (en) * | 2017-01-19 | 2017-05-10 | 宁德新能源科技有限公司 | Battery charging method and device, electronic equipment, adapter and charger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571890A (en) * | 2019-10-12 | 2019-12-13 | 苏州优博达机器人有限公司 | Operation method of standby power supply of 5G base station |
| CN110571890B (en) * | 2019-10-12 | 2020-08-28 | 苏州优博达机器人有限公司 | Operation method of standby power supply of 5G base station |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |
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| WW01 | Invention patent application withdrawn after publication |