CN106712193A - Automatic and intelligent management system for safe discharging of portable power source - Google Patents
Automatic and intelligent management system for safe discharging of portable power source Download PDFInfo
- Publication number
- CN106712193A CN106712193A CN201710031660.XA CN201710031660A CN106712193A CN 106712193 A CN106712193 A CN 106712193A CN 201710031660 A CN201710031660 A CN 201710031660A CN 106712193 A CN106712193 A CN 106712193A
- Authority
- CN
- China
- Prior art keywords
- output
- detection unit
- unit
- lithium battery
- current
- 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.)
- Pending
Links
- 238000007599 discharging Methods 0.000 title abstract 8
- 238000001514 detection method Methods 0.000 claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H02J2007/0067—
-
- 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 invention provides an automatic and intelligent management system for safe discharging of a portable power source. The automatic and intelligent management system comprises a micro-programmed control unit (MCU), a lithium battery pack, and a discharging conversion unit connected with an external load, wherein the lithium battery pack and the discharging conversion unit are respectively connected with the MCU; the automatic and intelligent management system also comprises a battery temperature detection unit used for detecting the temperature of the lithium battery pack, a battery current detection unit used for detecting the discharging current of the lithium battery pack, a battery voltage detection unit used for detecting the voltage of the lithium battery pack, an output current detection unit used for detecting the output current of the discharging conversion unit, and an output voltage detection unit used for detecting the output voltage of the discharging conversion unit; the battery temperature detection unit, the battery current detection unit, the battery voltage detection unit, the output current detection unit and the output voltage detection unit are respectively connected with the MCU. The automatic and intelligent management system can determine the maximum output power during discharging of the lithium battery pack according to the temperature of the lithium battery pack, thus enabling the lithium battery pack to be safely used within a specified temperature range.
Description
Technical field
The present invention relates to the technical field of portable power source, more particularly to a kind of management of portable power source safe-discharge automated intelligent
System.
Background technology
At present, with the development of mobile phone and other electronic products, use environment, service life and peace for portable power source
Full property has higher and higher demand, in order to shorten the charging interval as far as possible, is charged for portable power source electron product at present general
All over using quick charge.Existing portable power source discharge mode is all fairly simple, is generally divided into two stages：First constant-current discharge,
Constant voltage discharge is changed to during to close to blanking voltage until electric discharge completion, does not account for temperature factor, the electric discharge electricity of such battery
Pressure and discharge current can not be adjusted according to actual battery temperature, cell discharge efficiency be leveraged, in addition in difference
Battery temperature under, discharge mode can bring different influences to battery, and discharge process battery temperature can be raised, and temperature raise
Cell reaction is promoted to accelerate again, when temperature is put more than some, solvent is volatile, and side reaction increases, solvent vapo(u)r and reaction are given birth to
Into gas form pressure very high, it is likely that explode, bring greatly inconvenient to user.
Therefore, prior art has yet to be improved and developed.
The content of the invention
The present invention is in view of the existing deficiencies of the prior art, there is provided a kind of portable power source safe-discharge automated intelligent management system
System, it can determine peak power output during lithium battery group electric discharge according to the temperature of lithium battery group, it is ensured that lithium battery group is in regulation
Within the temperature range of using safety.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of portable power source safe-discharge automated intelligent management system, including MCU control unit, lithium battery group, for
The electric discharge converting unit of external loading connection, the lithium battery group and electric discharge converting unit are connected with MCU control unit respectively, also
Including the battery temperature detection unit for detecting lithium battery group temperature, the battery current for detecting lithium battery group discharge current
Detection unit, the cell voltage detection unit for detecting lithium battery group voltage, converting unit output current of being discharged for detection
Output electric current measure unit, for detect electric discharge switching cell output voltages output voltage detection unit, the battery temperature
Degree detection unit, battery current detection unit, cell voltage detection unit, output electric current measure unit and output voltage detection are single
Unit is connected with MCU control unit respectively；When using, the temperature value that MCU control unit is detected according to battery temperature detection unit
It is determined that the peak power output that electric discharge converting unit can be output, and the output current detected according to output electric current measure unit
The output voltage detected with output voltage detection unit, draws the real output of the actual acquisition of external loading, works as outside
When the real output of load is more than peak power output, MCU control unit control electric discharge converting unit reduction output current,
Make the real output no more than peak power output of external loading.
Operation principle：The battery temperature that MCU control unit is detected according to battery temperature detection unit, according to cell voltage
The cell voltage that detection unit is detected, and the largest battery electric current detected according to battery current detection unit, according to work as
Preceding battery temperature, cell voltage obtains battery peak power output after being multiplied with the maximum current value, turn multiplied by an electric discharge
The conversion efficiency of unit is changed, the getable peak power output PL in external loading end is obtained；Meanwhile, MCU control unit is according to outer
The output voltage that the output current and output voltage detection unit that the output electric current measure unit at section load end is detected are detected,
The real output at external loading end is obtained, when real output is more than PL, then MCU control unit adjust automatically electric discharge
The load capacity of converting unit, makes external loading end reduce pulling load current, it is ensured that the real output at external loading end is little
In PL.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by portable power source
Interior setting battery temperature detection unit, battery current detection unit, cell voltage detection unit, output voltage detection unit and defeated
Go out current detecting unit, peak power output during lithium battery group electric discharge can be determined according to the temperature of lithium battery group, it is ensured that lithium electricity
Pond group is using safety within the temperature range of regulation, and such battery discharge is safer, also protects battery, lifts the electric discharge of battery
Efficiency, extends the service life of battery, reduces battery bulging phenomenon.
It is the specific purposes and function that more clearly illustrate architectural feature of the invention, technological means and its reached, under
Face is described in further detail with specific embodiment with reference to accompanying drawing to the present invention：
Brief description of the drawings
Fig. 1 is theory diagram of the invention.
Accompanying drawing identifier declaration：
1st, MCU control unit 2, lithium battery group
3rd, battery current detection unit 4, cell voltage detection unit
5th, battery temperature detection unit 6, electric discharge converting unit
7th, output electric current measure unit 8, output voltage detection unit
9th, external loading
Specific embodiment
As shown in figure 1, a kind of portable power source safe-discharge automated intelligent management system, including MCU control unit 1, lithium electricity
Pond group 2, the electric discharge converting unit 6 for being connected with external loading 9, the battery current for detecting the discharge current of lithium battery group 2
Detection unit 3, the cell voltage detection unit 4 for detecting the voltage of lithium battery group 2, the electricity for detecting the temperature of lithium battery group 2
Pond temperature detecting unit 5, for detect electric discharge the output current of converting unit 6 output electric current measure unit 7, for detect discharge
The output voltage detection unit 8 of the output voltage of converting unit 6, the lithium battery group 2 and electric discharge converting unit 6 are controlled with MCU respectively
Unit processed 1 is connected, the battery current detection unit 3, cell voltage detection unit 4, battery temperature detection unit 5, output electricity
Stream detection unit 7 and output voltage detection unit 8 are connected with MCU control unit 1 respectively；When using, the basis of MCU control unit 1
The peak power output that the temperature value determination electric discharge converting unit 6 that battery temperature detection unit 5 is detected can be output, and according to
The output voltage that the output current and output voltage detection unit 8 that output electric current measure unit 7 is detected are detected, draws outside
The actual real output for obtaining of load 9, when the real output of external loading 9 is more than peak power output, MCU controls
The control electric discharge reduction output current of converting unit 6 of unit processed 1, makes the real output no more than maximum output of external loading 9
Power.
The above, is only presently preferred embodiments of the present invention, is not intended to limit the invention, therefore every according to this hair
Any modification, equivalent substitution and improvements that bright technology is actually made to above example etc., still fall within technical solution of the present invention
In the range of.
Claims (1)
1. a kind of portable power source safe-discharge automated intelligent management system, including MCU control unit, lithium battery group and for it is outer
The electric discharge converting unit of section load connection, the lithium battery group and electric discharge converting unit are connected with MCU control unit respectively, and it is special
Levy and be：Also include for detecting the battery temperature detection unit of lithium battery group temperature, for detecting lithium battery group discharge current
The battery current detection unit, cell voltage detection unit for detecting lithium battery group voltage, single for detecting electric discharge conversion
The output electric current measure unit of first output current, the output voltage detection unit for detecting electric discharge switching cell output voltages,
The battery temperature detection unit, battery current detection unit, cell voltage detection unit, output electric current measure unit and output
Voltage detection unit is connected with MCU control unit respectively；When using, MCU control unit is detected according to battery temperature detection unit
To temperature value determine the electric discharge peak power output that can be output of converting unit, and detected according to output electric current measure unit
Output current and the output voltage that detects of output voltage detection unit, draw the reality output work(of the actual acquisition of external loading
Rate, when the real output of external loading is more than peak power output, MCU control unit control electric discharge converting unit reduction
Output current, makes the real output no more than peak power output of external loading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031660.XA CN106712193A (en) | 2017-01-17 | 2017-01-17 | Automatic and intelligent management system for safe discharging of portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710031660.XA CN106712193A (en) | 2017-01-17 | 2017-01-17 | Automatic and intelligent management system for safe discharging of portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106712193A true CN106712193A (en) | 2017-05-24 |
Family
ID=58908491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710031660.XA Pending CN106712193A (en) | 2017-01-17 | 2017-01-17 | Automatic and intelligent management system for safe discharging of portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106712193A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1540478A (en) * | 2003-10-29 | 2004-10-27 | 庞宏冰 | Intelligent movable power supply |
| CN1864300A (en) * | 2003-10-03 | 2006-11-15 | 布莱克和戴克公司 | Methods of discharge control for a battery pack of a cordless power tool system, a cordless power tool system and battery pack adapted to provide over-discharge protection and discharge control |
| CN101199096A (en) * | 2005-06-14 | 2008-06-11 | Lg化学株式会社 | Method and apparatus of controlling for charging/discharging voltage of battery |
-
2017
- 2017-01-17 CN CN201710031660.XA patent/CN106712193A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1864300A (en) * | 2003-10-03 | 2006-11-15 | 布莱克和戴克公司 | Methods of discharge control for a battery pack of a cordless power tool system, a cordless power tool system and battery pack adapted to provide over-discharge protection and discharge control |
| CN1540478A (en) * | 2003-10-29 | 2004-10-27 | 庞宏冰 | Intelligent movable power supply |
| CN101199096A (en) * | 2005-06-14 | 2008-06-11 | Lg化学株式会社 | Method and apparatus of controlling for charging/discharging voltage of battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |