CN205828504U - A kind of communication hybrid battery - Google Patents
A kind of communication hybrid battery Download PDFInfo
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- CN205828504U CN205828504U CN201620631120.6U CN201620631120U CN205828504U CN 205828504 U CN205828504 U CN 205828504U CN 201620631120 U CN201620631120 U CN 201620631120U CN 205828504 U CN205828504 U CN 205828504U
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- battery
- lead
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- lithium cell
- ferric phosphate
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
This utility model provides a kind of communication hybrid battery.Described hybrid battery includes lead-acid battery group, ferric phosphate lithium cell group, hardware package backplate.Ferric phosphate lithium cell group is connected in parallel on the total outfan of hybrid battery with lead-acid battery group after connecting with hardware package backplate again；Lead-acid battery group and ferric phosphate lithium cell group are composed in series by X and Y battery core respectively, and X=1.5Y.This hybrid battery is used for the communication base station that grid conditions is poor, both can recycle, again can be standby with floating charge, effectively solves communication lead-acid battery cycle life short, and communicates and use ferric phosphate lithium cell price, the problem being weak to floating charge.
Description
Technical field
This utility model relates to the cell art that communicates, and particularly relates to a kind of communication hybrid battery.
Background technology
Along with expanding economy and the consumption of the energy, in world wide, common understanding arrives, and energy-saving and emission-reduction are imperative.Domestic
Exploring, communication reserve battery is discharged by peak times of power consumption, utilizes paddy electricity to be charged simultaneously, the most energy-conservation with response
The call reduced discharging.
According to estimates, the mobile phone popularity rate in Africa rises to about 80% in 2015 from 1% in 2000, has nearly 1,000,000,000 people to use
Mobile phone.And Africa only has 170,000 communication base stations at present, base station breach is surprising.According to African Development Bank, the Africa of nearly 60%
Population cannot obtain stable electric power, without electricity population more than 6.2 hundred million people.So, the communication base station in Africa need to be equipped with oil machine or follow
Ring-like battery.
The area that grid conditions is stable, communication lead-acid accumulator is based on floating charge use, and the cycle life of battery is general
Poor.The high speed development of communication lithium electricity also illustrate that the area poor without electricity or power grid environment in recent years, and the communications industry is to circulation
The thriving demand of type battery.But, relative to communication lead-acid battery, the cost of communication lithium electricity is the most higher, is not suitable for non-
The developing country such as continent, South Asia.
The deeper cavity life-span of lead-acid battery is poor, but is as the reduction of depth of discharge, and life-span upgrading is obvious.At communication row
Industry, the 100%DOD(DOD of circular type's lead-acid battery i.e. depth of discharge) cycle life about 200 times～300 times, 60%DOD circulates the longevity
Order about 1000～1200 times, and 40%DOD cycle life can be more than 2000 times.And current communication ferric phosphate lithium cell group, root
Different according to quality, its 100%DOD cycle life is at 500 times～2000 times.But, relative to lead-acid battery, LiFePO4
Battery security is relatively low, needs to coordinate expensive BMS to use, further increases the cost of communication ferric phosphate lithium cell.
Utility model content
This utility model provides a kind of communication hybrid battery, for the communication base station poor without electricity or power grid environment.Purport
Solving, communication lead-acid battery cycle life is short, and it is expensive with ferric phosphate lithium cell to communicate, the problem being weak to floating charge.
The technical solution of the utility model is: communication hybrid battery, and its improvements are that this hybrid battery includes plumbic acid
Set of cells, ferric phosphate lithium cell group and hardware package backplate, described ferric phosphate lithium cell group connect with hardware package backplate after again with lead
Acid set of cells is connected in parallel on total outfan of battery simultaneously；Lead-acid battery group is composed in series by X battery core, ferric phosphate lithium cell group
It is composed in series by Y battery core, and X=1.5Y.
The battery core number X=3 or 6 or 12 or 24 of described lead-acid battery group, the battery core number Y=2 or 4 or 8 of ferric phosphate lithium cell group
Or 16；The capacity of described lead-acid battery group and the capacity of ferric phosphate lithium cell group account for the 50%～90% of hybrid battery total capacity respectively
With 10%～50%.
Described hybrid battery, all discharge and recharge parameters are all configured according to the requirement of lead-acid battery group；Hybrid battery
During electric discharge, lead-acid battery group and ferric phosphate lithium cell group are discharged simultaneously, reach power-off after setting voltage, by electrical network or oil machine to electricity
Charging in pond, lead-acid battery and ferric phosphate lithium cell group are charged simultaneously.
Described hardware package backplate is for ensureing the safety of ferric phosphate lithium cell group, when power grid environment is stablized, and mixing electricity
The long-time floating charge in pond uses, and when the floating current of ferric phosphate lithium cell group is less than setting value, stops charging, civil power at this moment in time
Only lead-acid battery group is carried out floating charge.
The beneficial effects of the utility model are as follows:
When hybrid battery floating charge uses, only lead-acid battery group is carried out floating charge；During recycling, lead-acid battery group and phosphoric acid
The common discharge and recharge of lithium iron battery group, the depth of discharge within 80%, cycle life is substantially better than lead-acid battery, and price is significantly lower than
With capacity ferric phosphate lithium cell.
Following feature, the discharge voltage plateau of ferric phosphate lithium cell group is had to be slightly above lead-acid battery during hybrid battery electric discharge
Group；Although discharge simultaneously, but the electric discharge initial stage, based on ferric phosphate lithium cell group discharge current, along with the decline of charging state, phosphorus
The electric current of acid lithium iron battery group is gradually reduced, and the discharge current of lead-acid battery group is gradually increasing, the mid-term of hybrid battery electric discharge
And the later stage is based on lead-acid battery electric discharge.Discharge so long as not 100%DOD, being incorporated to of ferric phosphate lithium cell group, lead can be reduced
The depth of discharge of acid set of cells.According to using environment, can adjust ferric phosphate lithium cell group is incorporated to ratio, by lead-acid battery group
Depth of discharge control within 60%, so can effectively promote the value of lead-acid battery group.Guarantee that hybrid battery meets to follow
The requirement of ring communication base station and moderate.
Accompanying drawing explanation
Fig. 1 is the structural representation of communication hybrid battery of the present utility model.
Lead-acid battery group and iron phosphate when Fig. 2 is communication hybrid battery 10 hour rate electric discharge in this utility model embodiment
The electric current distribution of lithium battery group.
Fig. 3 is lead-acid battery group during communication hybrid battery charging in this utility model embodiment and ferric phosphate lithium cell
The electric current distribution of group.
Detailed description of the invention
For clearer description the technical solution of the utility model and beneficial effect, below in conjunction with specific embodiment and
Accompanying drawing is described in detail.Certainly, following embodiment is only a part of the present utility model.
As it is shown in figure 1, this utility model provides a kind of communication hybrid battery, including lead-acid battery group 1, the string of series connection
The ferric phosphate lithium cell group 2 of connection and hardware package backplate 3.Ferric phosphate lithium cell group connect with hardware package backplate after again with lead-acid battery
Group is connected in parallel on total outfan of battery simultaneously.Wherein, in example 1～4, the battery core quantity of lead-acid battery group 1 is respectively 3, and 6,12,
24；The battery core quantity of ferric phosphate lithium cell group is respectively 2,4,8,16.Guarantee ferric phosphate lithium cell group voltage be slightly above lead
Acid set of cells.So it is achieved that ferric phosphate lithium cell group preferential discharge；And after discharging, due to the charging of lead-acid battery group
Relatively big by electric current, lead-acid battery preferentially charges.Hardware package backplate is only used for protecting ferric phosphate lithium cell group, it is ensured that mixing electricity
The loop of ferric phosphate lithium cell group is cut off, it is ensured that it does not overcharge and only puts when the long-term floating charge in pond uses.Communication hybrid battery
Battery cycle life, equal to the capacity sum of lead-acid battery group with ferric phosphate lithium cell group, is required by capacity according to using scene
Difference, the ratio that is incorporated to of ferric phosphate lithium cell group is 10%～50%, can be adjusted flexibly.Charge and discharge due to ferric phosphate lithium cell group
Piezoelectric voltage scope is significantly greater than lead-acid battery group, so, time actually used, all parameters of hybrid battery are all according to same capacity lead
The parameter of acid battery is configured.Therefore, ferric phosphate lithium cell group is chronically at part utilization state, can effectively reduce it
The risk of super-charge super-discharge, the safety to promoting ferric phosphate lithium cell group is of great advantage.
The communication hybrid battery that the present embodiment provides, by the simple control of hardware package backplate, can realize only to lead
The acid long-time floating charge of set of cells；By the rational proportion to ferric phosphate lithium cell group with lead-acid battery group voltage with capacity, it is achieved
During recycling, ferric phosphate lithium cell group preferential discharge, thus reduce lead-acid battery group depth of discharge, promote hybrid battery circulation
Life-span.Thus, it is achieved the communication battery of the moderate cost that has extended cycle life.Wherein, the voltage of lead-acid battery group is 12V, capacity
Account for the 80% of hybrid battery capacity；The voltage of ferric phosphate lithium cell group is 12.8V, and capacity accounts for the 20% of hybrid battery capacity.
Fig. 2 be the hybrid battery in embodiment carry out 10hr electric discharge time, by external equipment gather lead-acid battery group and
The branch current of ferric phosphate lithium cell group.From the CURRENT DISTRIBUTION of hybrid battery it can be seen that hybrid battery discharges the initial stage, with phosphoric acid
The discharge current of lithium iron battery group is main；Along with the carrying out of electric discharge, the discharge current of ferric phosphate lithium cell group progressively declines, and lead
The discharge current of acid set of cells is gradually increasing；After mid-term of discharging, hybrid battery electric discharge is discharged based on lead-acid battery group.And
During hybrid battery charging, just the opposite, refer to Fig. 3.The charging initial stage is based on the charging current of lead-acid battery, and LiFePO4 is electric
The charging current of pond group steps up, and reduces the most rapidly, tends to full.As can be seen here, the charging rate of ferric phosphate lithium cell group
It is significantly faster than that lead-acid battery group.Poor at grid conditions or use oil machine area, it is possible to achieve quick charge, effectively ensure
The even running of communication base station.
Claims (3)
1. a communication hybrid battery, is characterized in that this hybrid battery includes lead-acid battery group, ferric phosphate lithium cell group and hard
Part protection board, described ferric phosphate lithium cell group is connected in parallel on the total of battery with lead-acid battery group after connecting with hardware package backplate more simultaneously
On outfan；Lead-acid battery group is composed in series by X battery core, and ferric phosphate lithium cell group is composed in series by Y battery core, and X=
1.5Y。
2. communication hybrid battery as described in claim 1, is characterized in that the battery core number X=3 or 6 or 12 of described lead-acid battery group
Or 24, the battery core number Y=2 or 4 or 8 or 16 of ferric phosphate lithium cell group.
3. communication hybrid battery as described in claim 1, is characterized in that capacity and the LiFePO4 electricity of described lead-acid battery group
The capacity of pond group accounts for the 50%～90% and 10%～50% of hybrid battery total capacity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631120.6U CN205828504U (en) | 2016-06-24 | 2016-06-24 | A kind of communication hybrid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631120.6U CN205828504U (en) | 2016-06-24 | 2016-06-24 | A kind of communication hybrid battery |
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| Publication Number | Publication Date |
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| CN205828504U true CN205828504U (en) | 2016-12-21 |
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| CN201620631120.6U Active CN205828504U (en) | 2016-06-24 | 2016-06-24 | A kind of communication hybrid battery |
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| CN (1) | CN205828504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914331A (en) * | 2016-06-24 | 2016-08-31 | 双登集团股份有限公司 | Hybrid battery for communication |
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2016
- 2016-06-24 CN CN201620631120.6U patent/CN205828504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914331A (en) * | 2016-06-24 | 2016-08-31 | 双登集团股份有限公司 | Hybrid battery for communication |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |