CN105098887A - Solar cell charging and discharging controller - Google Patents
Solar cell charging and discharging controller Download PDFInfo
- Publication number
- CN105098887A CN105098887A CN201510428096.6A CN201510428096A CN105098887A CN 105098887 A CN105098887 A CN 105098887A CN 201510428096 A CN201510428096 A CN 201510428096A CN 105098887 A CN105098887 A CN 105098887A
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- solar
- controller
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a solar cell charging and discharging controller which comprises a solar controller, a sampling protection loop and a system state display loop, wherein the solar controller is used for monitoring a working state of each loop and controlling input, output and opening or closing of each loop after operation, analysis and comparison of an internal process; the input end of the sampling protection loop is connected with a storage battery voltage detection circuit, a solar controller temperature detection circuit, a photovoltaic input voltage detection circuit, a load current detection circuit and a 5V power supply output detection circuit respectively, and the output end of the sampling protection loop is connected with the solar controller; the input end of the system state display loop is connected with a charging state display circuit, a storage battery state display circuit and a load state display circuit respectively, and the output end of the system state display loop is connected with the solar controller. With the adoption of a modular design, the solar cell charging and discharging controller has the advantages of high interference resistance, low cost, high integration, low power consumption, stability, reliability and high charging conversion rate.
Description
Technical field
The present invention relates to a kind of solar cell charging-discharging controller.
Background technology
Existing solar cell charging-discharging controller weak point is, poor stability, charging conversion efficiency are low, poor reliability, integrated level be low, anti-interference weak, intelligent and automaticity is low, long-time start uses that components and parts are overheated, power consumption is damaged greatly, function singleness.
Summary of the invention
The defect that the present invention seeks to exist for prior art provides a kind of solar cell charging-discharging controller.
The present invention for achieving the above object, adopt following technical scheme: a kind of solar cell charging-discharging controller, comprise controller for solar, it is for monitoring the operating state in following each loop, and by the input and output that control following each loop after the computing of internal processes, analysis and comparison and unlatching or closedown;
Sampling protective loop, its input respectively with accumulator voltage detecting circuit, controller for solar temperature sensing circuit, photovoltaic input voltage detection circuit, load current detection circuit and 5V power supply output detection circuit connect, and its output is connected with described controller for solar;
Storage battery and load condition abnormal alarm signal circuit, its input is connected with storage battery and load, and its output is connected with described controller for solar;
System mode show circuit, its input is connected with charged state display circuit, battery condition display circuit, load condition display circuit respectively, and its output is connected with described controller for solar;
Charge circuit, its input is connected with solar panel and storage battery respectively, and its output is connected with described controller for solar;
Discharge loop, its input is connected with load and storage battery respectively, and its output is connected with described controller for solar.
Further, when the power that controller for solar detects load is within the loading range that machine can drive, machine normally exports, and load normally works; When the power that controller for solar detects load exceeds within the loading range that machine can drive, machine is in guard mode, does not now export; After load restoration is normal, machine will recover to export again automatically.
Further, described solar panel adopts polycrystalline or the mono-crystal component photovoltaic panel of 30W or 40W.
Further, described storage battery adopts the lead acid accumulator of 20Ah to 38Ah or the lithium battery of 20Ah to 40Ah.
Beneficial effect of the present invention: the present invention adopts modularized design, its good stability, antijamming capability are strong, cost is low, integrated level is high, low in energy consumption, reliable and stable and charging conversion efficiency is high.
Accompanying drawing explanation
Fig. 1 schematic diagram of the function of the present invention.
Embodiment
Shown in Fig. 1, for a kind of solar cell charging-discharging controller of the present invention, comprise controller for solar 3, it is for monitoring the operating state in following each loop, and by the input and output that control following each loop after the computing of internal processes, analysis and comparison and unlatching or closedown, to make coordination and the management of unified intellectuality and automation.
Sampling protective loop 2, its input respectively with accumulator voltage detecting circuit 21, controller for solar temperature sensing circuit 22, photovoltaic input voltage detection circuit 23, load current detection circuit 24 and 5V power supply output detection circuit 25 connect, and its output is connected with described controller for solar 3; Determine whether take to stablize by sampling, adjustment, open, the measure of shutoff.
Storage battery and load condition abnormal alarm signal circuit 1, its input is connected with storage battery 11 and load 12, and its output is connected with described controller for solar 3; When battery tension is too low or too high, when load overload or short circuit, loop sends chimes of doom by driving the buzzer of controller for solar 3, and is controlled to take to stablize by controller for solar 3, adjustment, opens, the measure of shutoff.
System mode show circuit 4, its input is connected with charged state display circuit 5, battery condition display circuit 6, load condition display circuit 7 respectively, and its output is connected with described controller for solar 3; This loop is for controlling unlatching and the color of each state display lamp, and instruction shows current charging, storage battery, the operating state of load on machinery panel.
Wherein, charged state display circuit 5:
When solar photovoltaic assembly is connected normal with machine, photovoltaic panel output voltage electric current reaches charge circuit minimum requirements, and charging process is normally carried out; Charge status indicating light Chang Liang, green.
Battery condition display circuit 6:
Accumulator electric-quantity voltage status instruction red light does not work, and shows that battery tension is normal.
Accumulator electric-quantity voltage status instruction when red, shows that storage battery forces down, undertension.
Accumulator electric-quantity voltage status instruction blinking red lamp, shows that battery tension is too high.
Load condition display circuit 7: when output switch is opened, and load condition indicator light Chang Liang when loaded work piece is normal, when load short circuits or load overload, load condition indicator light glimmers.
Charge circuit 8, its input is connected with solar panel 10 and storage battery 11 respectively, and its output is connected with described controller for solar 3.The charge circuit 8 of the voltage access controller of solar energy photovoltaic panel 10, is differentiated the battery condition (have and all fill, floating charge, stop three kinds of states) of storage battery, controls charge circuit 8 accumulators 11 charge by controller for solar 3 by controller for solar 3.
When charge switch pipe is in opening, and when charging voltage is greater than cell voltage, now, solar energy photovoltaic panel 10 accumulators 11 charges, charge status indicating light Chang Liang, red.
When charging voltage lower than storage battery 11 voltage or cell voltage too high, solar energy photovoltaic panel 10 stops accumulators 11 to charge, and now charge status indicating light goes out.
Discharge loop 9, its input is connected with load 12 and storage battery 11 respectively, and its output is connected with described controller for solar 3.
When charge and discharge switch pipe is in opening, storage battery 11 normally exports, when storage battery 11 output current excessive; storage battery 11 overtension or too low time; controller for solar 3 will close discharge loop 9, enter overcurrent, and storage battery 11 electric voltage exception is protected.
Wherein, when the power that controller for solar 3 detects load 12 is within the loading range that machine can drive, machine normally exports, and load 12 normally works; When the power that controller for solar 3 detects load 12 exceeds within the loading range that machine can drive, machine is in guard mode, does not now export; After load restoration is normal, machine will recover to export again automatically.
Wherein, described solar panel adopts polycrystalline or the mono-crystal component photovoltaic panel of 30W or 40W,
Its basic parameter is as follows:
1)、MaxpowerVoltage(Vmp):18V;
2)、MaxPowerCurrent(Imp):1.7A;
3)、OpenCircuitVoltage(Voc):21.6V;
4)、ShortCircuit(Isc):1.85A;
5)、MaxsystemVoltage:715V;
6)、OperatingTemperature:-40to85℃;
7)、TestConditions:Am1.51000W/m
225℃。
Wherein, described storage battery 11 adopts the lead acid accumulator of 20Ah to 38Ah or the lithium battery of 20Ah to 40Ah.Determine according to loading condition and user's request.For ensureing useful life and the cycle charge-discharge number of times of storage battery 11, the depth of discharge of storage battery 11,70%, when controller for solar 3 detects the port voltage of storage battery 11: during lower than 10.8V, will stop the output electric discharge of storage battery 11, during higher than 17V, the charging of accumulators 11 will be stopped.
The voltage of exportable two specifications of controller of the present invention: 5V and 12V; Wherein 5V voltage can drive sound control plate to realize MP3 broadcasting, the radio reception of FM broadcast, and USB port mobile phone charges; 12V voltage can drive the DC load of 12V operating voltage: as, LED illumination lamp, direct current electric fan, direct current TV etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a solar cell charging-discharging controller, it is characterized in that, comprise controller for solar, it is for monitoring the operating state in following each loop, and by the input and output that control following each loop after the computing of internal processes, analysis and comparison and unlatching or closedown;
Sampling protective loop, its input respectively with accumulator voltage detecting circuit, controller for solar temperature sensing circuit, photovoltaic input voltage detection circuit, load current detection circuit and 5V power supply output detection circuit connect, and its output is connected with described controller for solar;
Storage battery and load condition abnormal alarm signal circuit, its input is connected with storage battery and load, and its output is connected with described controller for solar;
System mode show circuit, its input is connected with charged state display circuit, battery condition display circuit, load condition display circuit respectively, and its output is connected with described controller for solar;
Charge circuit, its input is connected with solar panel and storage battery respectively, and its output is connected with described controller for solar;
Discharge loop, its input is connected with load and storage battery respectively, and its output is connected with described controller for solar.
2. a kind of solar cell charging-discharging controller as claimed in claim 1, is characterized in that, when the power that controller for solar detects load is within the loading range that machine can drive, machine normally exports, and load normally works; When the power that controller for solar detects load exceeds within the loading range that machine can drive, machine is in guard mode, does not now export; After load restoration is normal, machine will recover to export again automatically.
3. a kind of solar cell charging-discharging controller as claimed in claim 1, is characterized in that, described solar panel adopts polycrystalline or the mono-crystal component photovoltaic panel of 30W or 40W.
4. a kind of solar cell charging-discharging controller as claimed in claim 1, is characterized in that, described storage battery adopts the lead acid accumulator of 20Ah to 38Ah or the lithium battery of 20Ah to 40Ah.
Priority Applications (1)
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CN201510428096.6A CN105098887A (en) | 2015-07-20 | 2015-07-20 | Solar cell charging and discharging controller |
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CN201510428096.6A CN105098887A (en) | 2015-07-20 | 2015-07-20 | Solar cell charging and discharging controller |
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CN201510428096.6A Pending CN105098887A (en) | 2015-07-20 | 2015-07-20 | Solar cell charging and discharging controller |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105494283A (en) * | 2016-01-15 | 2016-04-20 | 泉州市九都电子科技有限公司 | Solar mosquito trap |
CN107492866A (en) * | 2017-07-27 | 2017-12-19 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of controller for solar |
CN112526963A (en) * | 2020-10-23 | 2021-03-19 | 武汉伟立德新能源有限公司 | Testing method of solar charge and discharge controller |
CN113098112A (en) * | 2021-05-21 | 2021-07-09 | 瀚云科技有限公司 | Charge-discharge controller and device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101997446A (en) * | 2009-08-14 | 2011-03-30 | 珠海市奥凯励光电技术有限公司 | Artificial intelligent environment self-recognition multifunctional controller used for solar battery |
CN202042913U (en) * | 2010-06-25 | 2011-11-16 | 天津职业技术师范大学 | Solar charging and discharging controller |
CN202068203U (en) * | 2011-04-25 | 2011-12-07 | 多氟多(焦作)新能源科技有限公司 | Multifunctional solar energy controller |
-
2015
- 2015-07-20 CN CN201510428096.6A patent/CN105098887A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997446A (en) * | 2009-08-14 | 2011-03-30 | 珠海市奥凯励光电技术有限公司 | Artificial intelligent environment self-recognition multifunctional controller used for solar battery |
CN202042913U (en) * | 2010-06-25 | 2011-11-16 | 天津职业技术师范大学 | Solar charging and discharging controller |
CN202068203U (en) * | 2011-04-25 | 2011-12-07 | 多氟多(焦作)新能源科技有限公司 | Multifunctional solar energy controller |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105494283A (en) * | 2016-01-15 | 2016-04-20 | 泉州市九都电子科技有限公司 | Solar mosquito trap |
CN107492866A (en) * | 2017-07-27 | 2017-12-19 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of controller for solar |
CN107492866B (en) * | 2017-07-27 | 2019-06-25 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of solar controller |
CN112526963A (en) * | 2020-10-23 | 2021-03-19 | 武汉伟立德新能源有限公司 | Testing method of solar charge and discharge controller |
CN112526963B (en) * | 2020-10-23 | 2022-09-06 | 武汉伟立德新能源有限公司 | Testing method of solar charge and discharge controller |
CN113098112A (en) * | 2021-05-21 | 2021-07-09 | 瀚云科技有限公司 | Charge-discharge controller and device |
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Application publication date: 20151125 |