CN105140987B - A kind of intelligent solar charger - Google Patents
A kind of intelligent solar charger Download PDFInfo
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- CN105140987B CN105140987B CN201510529270.6A CN201510529270A CN105140987B CN 105140987 B CN105140987 B CN 105140987B CN 201510529270 A CN201510529270 A CN 201510529270A CN 105140987 B CN105140987 B CN 105140987B
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- 230000009466 transformation Effects 0.000 claims description 3
- 238000010336 energy treatment Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of intelligent solar charger, including photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage changer, temperature-compensation circuit and battery, wherein photovoltaic array is connected with the output end of photoelectric sensor, single-chip microcomputer；The output end of the single-chip microcomputer is respectively connected with the input of voltage changer, temperature-compensation circuit；The input of the voltage changer, the output end of temperature-compensation circuit and battery is respectively connected with；The photovoltaic array is used to gather solar energy；The photoelectric sensor, the solar energy for photovoltaic array to be gathered is converted into electric energy；The single-chip microcomputer, for electric energy to be processed and output control signal；The voltage changer, for battery will to be input into after the voltage conversion according to control signal by electric energy；The temperature-compensation circuit, compensates for the temperature to the battery.The present invention is compensated to the temperature of battery, improves the charging performance of battery, protects battery.
Description
Technical field
The present invention relates to a kind of intelligent solar charger, belong to the technical field of charger control.
Background technology
For electrical equipment, charger is essential charging equipment.Charger is, using high frequency electric source technology, to use
Advanced Intelligent Dynamic adjusts charging technique.Charger is divided by design circuit work frequency, can be divided into power frequency machine and High-frequency machine
Power frequency machine is designed with traditional analog circuit principle, and machine internal power device (such as transformer, inductance, capacitor) is all
It is larger, typically there is smaller noise, but type resistance performance in severe power grid environment condition when band carries larger operation
Relatively by force, reliability and stability stronger than High-frequency machine
Traditional charger generally comprises power supply circuit, single-chip microcomputer, voltage changer and battery, using power supply circuit
Power supply is accessed, then voltage transformation is carried out with Single-chip Controlling voltage changer, storage electric energy is finally carried out by battery.Thus,
Realize electric energy transmission function.
At present, charger often uses shell, and circuit arrangement is in shell.Realized and power supply using the plug of enclosure
Connection.At present, most of charger does not possess function of solar charging, it is impossible to gathers solar energy and is charged, or utilizes
Under solar recharging, charging ability is not enough under low light condition, causes solar panels utilization rate not high；Tradition improves dim light and fills
The method of electric energy power is realized using configuration optimization control, i.e., use Control solar energy according to strong and weak according to ambient light
Board component charges a battery according to the different combination such as serial or parallel connection, it is ensured that solar panels component output voltage begins
Setting charging voltage is reached eventually.But this kind of mode complex structure.
And in application number：201010525225.0 applyings date：In the file of 2010-10-30, " the emergent dress of one kind is disclosed
Put, more particularly to a kind of solar charger.Narrow scope is used for current solar charger, wide place cannot be just
The problem for often using, there is provided solar charger, including shell, solar absorption panels, described solar absorption panels are by more
Individual silicon crystal slate is in series, and described shell is covered in the outside of all silicon crystal slates, is welded with described solar absorption panels
Contact, converts solar energy into electrical energy, and also includes multiple charger interfaces, and electric energy after conversion is transferred into the electrical equipment such as mobile phone sets
It is standby." using after technical scheme, solar charger power reservoir capacity can be greatly improved, while meeting filling for many people
Electric demand.
And in an other application number：201210007995.5 applyings date：In the file of 2012-01-12, disclose
" a kind of solar charger, it includes：Middle control module, module is controlled in this has multiple-channel output port；Lithium ion battery, lithium from
Sub- battery can export electric energy by middle control module to each output port；Solar panel, the solar panel can pass through
Middle control module charges to lithium ion battery, also can export electric energy to each output port by middle control module." invention adopts
Above structure is used, with advantages below：Complex structure, low cost；The solar charger uses surface mounting technology, improves
System reliability.
Although above-mentioned document makes improvement to existing charger so that it possesses function of solar charging.But for
Temperature-compensating cannot be carried out to internal battery so that battery gassing rate is relatively low, reduce battery for solar charger
Service life.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of intelligent solar charges
Device, solving existing solar charger cannot carry out temperature-compensating to internal battery so that battery gassing rate is relatively low,
Reduce the problem of the service life of battery.
It is of the invention specific using following technical scheme solution above-mentioned technical problem：
A kind of intelligent solar charger, including photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage changer, temperature are mended
Circuit and battery are repaid, wherein photovoltaic array is connected with the output end of photoelectric sensor, single-chip microcomputer；The output end of the single-chip microcomputer
Input with voltage changer, temperature-compensation circuit is respectively connected with；The output end of the voltage changer, temperature-compensation circuit
Input with battery is respectively connected with；The photovoltaic array is used to gather solar energy；The photoelectric sensor, for by photovoltaic
The solar energy of array acquisition is converted into electric energy；The single-chip microcomputer, for electric energy to be processed and output control signal；The voltage becomes
Parallel operation, for battery will to be input into after the voltage conversion according to control signal by electric energy；The temperature-compensation circuit, for institute
The temperature for stating battery is compensated.
Further, as a preferred technical solution of the present invention：The temperature-compensation circuit includes first and the 4th
Resistance, the first electric capacity, the first amplifier and the second amplifier, wherein after the in-phase input end connection first resistor of the first amplifier
Ground connection, the inverting input of the first amplifier is grounded after connecting the first electric capacity, and the output end connection second of the first amplifier is electric
The inverting input of the second amplifier is accessed after resistance；Connect single after the in-phase input end connection 3rd resistor of second amplifier
The output end of piece machine；One end of 4th resistance connects the inverting input of the second amplifier, and the other end of the 4th resistance connects
The output end of the second amplifier is connect, the output end of second amplifier is connected with battery.
Further, as a preferred technical solution of the present invention：The temperature-compensation circuit also includes the second electric capacity,
One end of second electric capacity connects the 4th resistance, and the other end of the second electric capacity connects the output end of the second amplifier.
Further, as a preferred technical solution of the present invention：4th resistance is adjustable resistance.
Further, as a preferred technical solution of the present invention：First amplifier and the second amplifier are adopted
With LM741C type integrated amplifiers.
The present invention uses above-mentioned technical proposal, can produce following technique effect：
Intelligent solar charger of the present invention, in existing charger circuit, sets up solar energy acquisition circuit, and design
Temperature-compensation circuit, is compensated using temperature-compensation circuit to the temperature of the battery, reduces environment to battery
The influence of charging performance, improves the charging performance of battery, it is ensured that battery accurate work floating in safety under floating charge state
Charging voltage, protects battery.Existing solar charger can be solved cannot carry out temperature-compensating to internal battery,
So that battery gassing rate is relatively low, the problem of the service life of battery is reduced.
Brief description of the drawings
Fig. 1 is the module diagram of intelligent solar charger of the present invention.
Fig. 2 is the circuit diagram of temperature-compensation circuit of the invention.
Specific embodiment
With reference to Figure of description, embodiments of the present invention are described.
As shown in figure 1, the present invention devises a kind of intelligent solar charger, including photovoltaic array, photoelectric sensor, list
The mechanical, electrical buckling parallel operation of piece, temperature-compensation circuit and battery, wherein photovoltaic array and photoelectric sensor, the output end of single-chip microcomputer
It is connected；The output end of the single-chip microcomputer is respectively connected with the input of voltage changer, temperature-compensation circuit；The voltage transformation
The input of device, the output end of temperature-compensation circuit and battery is respectively connected with；The photovoltaic array is used to gather solar energy；Institute
Photoelectric sensor is stated, the solar energy for photovoltaic array to be gathered is converted into electric energy；The single-chip microcomputer, for by electric energy treatment and
Output control signal；The voltage changer, for battery will to be input into after the voltage conversion according to control signal by electric energy；Institute
Temperature-compensation circuit is stated, is compensated for the temperature to the battery.
Thus, in existing charger circuit, solar energy acquisition circuit is set up, and devises temperature-compensation circuit, profit
The temperature of the battery is compensated with temperature-compensation circuit, reduces influence of the environment to the charging performance of battery, carried
The charging performance of battery high.
Further, in solar charger of the invention, the temperature-compensation circuit includes first and the 4th resistance, the
One electric capacity C1, the first amplifier A1 and the second amplifier A2, wherein the in-phase input end connection first resistor of the first amplifier A1
The output end of ground connection after R1, ground connection after the first electric capacity C1 of inverting input connection of the first amplifier A1, and the first amplifier A1
The inverting input of the second amplifier A2 is accessed after connection second resistance R2；The in-phase input end connection of the second amplifier A2
The output end of single-chip microcomputer is connected after 3rd resistor R3；One end of the 4th resistance R4 connects the anti-phase input of the second amplifier A2
End, the other end of the 4th resistance R4 connects the output end of the second amplifier A2, the output end of the second amplifier A2 and electric power storage
Pond is connected.Using this kind of structure, compensation circuit is formed, battery is compensated, when battery needs compensation, single-chip microcomputer control
Make it to compensate, by the second amplifier A2 and second resistance R2 and 3rd resistor R3 generation differential operational amplifying circuits.Storing
During battery surface temperature change, by circuit so that voltage rises or falls change with temperature, the protection of battery is realized.
And, the temperature-compensation circuit can also include one end connection the of the second electric capacity C2, the second electric capacity C2
The other end of four resistance R4, the second electric capacity C2 connects the output end of the second amplifier A2.Using second electric capacity C2 in circuit
Certain the 4th resistance R4 provides low impedance path.And, further, the 4th resistance R4 is adjustable resistance.Using can Power Regulation
Can so that the voltage of circuit can control.
First amplifier and the second amplifier use LM741C type integrated amplifiers.LM741 is that a kind of application is non-
Normal extensive universal operational amplifier.As a result of active load, as long as so two-stage amplify can just reach it is very high
Voltage gain and common mode very wide and differential-mode input voltage scope.This circuit uses internal compensation, and circuit is fairly simple to be difficult certainly
Swash, stabilization of operating point is easy to use, and devises perfect protection circuit, is hardly damaged.Portion's frequency compensation need not be located,
Input has overvoltage protection, and output has overload protection, clog-free and oscillatory occurences, it is possible thereby to preferably realize compensation.
To sum up, intelligent solar charger of the present invention, it is ensured that battery accurate work floating in safety under floating charge state
Charging voltage, protects battery, can effectively improve the life-span of battery.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Mode, in the ken that those of ordinary skill in the art possess, can also be on the premise of present inventive concept not be departed from
Make a variety of changes.
Claims (4)
1. a kind of intelligent solar charger, it is characterised in that including photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage transformation
Device, temperature-compensation circuit and battery, wherein photovoltaic array are connected with the input of photoelectric sensor, the output of photoelectric sensor
End is connected with the input of single-chip microcomputer；The output end of the single-chip microcomputer and voltage changer, the input point of temperature-compensation circuit
Xiang Lian not；The input of the voltage changer, the output end of temperature-compensation circuit and battery is respectively connected with；The photovoltaic battle array
Arrange for gathering solar energy；The photoelectric sensor, the solar energy for photovoltaic array to be gathered is converted into electric energy；The monolithic
Machine, for electric energy treatment and output control signal；The voltage changer, for being turned the voltage of electric energy according to control signal
Battery is input into after changing；The temperature-compensation circuit, compensates for the temperature to the battery；The temperature-compensating electricity
Road includes first and the 4th resistance, the first electric capacity, the first amplifier and the second amplifier, wherein the homophase input of the first amplifier
It is grounded after end connection first resistor, the inverting input of the first amplifier is grounded after connecting the first electric capacity, and the first amplifier
The inverting input of the second amplifier is accessed after output end connection second resistance；The in-phase input end connection of second amplifier
The output end of single-chip microcomputer is connected after 3rd resistor；One end of 4th resistance connects the inverting input of the second amplifier, the
The other end of four resistance connects the output end of the second amplifier, and the output end of second amplifier is connected with battery.
2. intelligent solar charger according to claim 1, it is characterised in that：The temperature-compensation circuit also includes second
Electric capacity, one end of second electric capacity connects the 4th resistance, and the other end of the second electric capacity connects the output end of the second amplifier.
3. intelligent solar charger according to claim 1, it is characterised in that：4th resistance is adjustable resistance.
4. intelligent solar charger according to claim 1, it is characterised in that：First amplifier and the second amplifier
Use LM741C type integrated amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529270.6A CN105140987B (en) | 2015-08-26 | 2015-08-26 | A kind of intelligent solar charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529270.6A CN105140987B (en) | 2015-08-26 | 2015-08-26 | A kind of intelligent solar charger |
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| Publication Number | Publication Date |
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| CN105140987A CN105140987A (en) | 2015-12-09 |
| CN105140987B true CN105140987B (en) | 2017-06-30 |
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| CN201510529270.6A Active CN105140987B (en) | 2015-08-26 | 2015-08-26 | A kind of intelligent solar charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106932071A (en) * | 2017-04-05 | 2017-07-07 | 广西南宁超网网络科技有限责任公司 | A kind of new Kind of Supermarket intelligent electronic-scale |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5617007A (en) * | 1994-08-17 | 1997-04-01 | International Business Machines Corporation | Battery charging method and apparatus using current control |
| CN102751790A (en) * | 2012-07-11 | 2012-10-24 | 韦华鹏 | Hybrid energy storage system based on supercapacitor in solar photovoltaic system |
| CN203491757U (en) * | 2013-10-22 | 2014-03-19 | 北京太阳芯智能科技有限公司 | Novel solar energy hot water intelligence control system |
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Effective date of registration: 20240328 Address after: No. 19 Wangqiao Village, Jianming Village, Letu Town, Mengcheng County, Bozhou City, Anhui Province, 236000 Patentee after: Wang Xibao Country or region after: China Address before: Building 6, No. 51 Mulin Road, Yuexi Street, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Patentee before: SUZHOU BROADLINE POWER SUPPLY TECHNOLOGY Co.,Ltd. Country or region before: China |
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